EP0580844A4 - Carrier for stacked articles - Google Patents

Carrier for stacked articles

Info

Publication number
EP0580844A4
EP0580844A4 EP93904964A EP93904964A EP0580844A4 EP 0580844 A4 EP0580844 A4 EP 0580844A4 EP 93904964 A EP93904964 A EP 93904964A EP 93904964 A EP93904964 A EP 93904964A EP 0580844 A4 EP0580844 A4 EP 0580844A4
Authority
EP
European Patent Office
Prior art keywords
carrier
top panel
edge
flap
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93904964A
Other versions
EP0580844A1 (en
EP0580844B1 (en
Inventor
Richard Lee Schuster
Joseph Anthony Borocz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Graphic Packaging International LLC
Original Assignee
Riverwood International Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Riverwood International Corp filed Critical Riverwood International Corp
Publication of EP0580844A1 publication Critical patent/EP0580844A1/en
Publication of EP0580844A4 publication Critical patent/EP0580844A4/en
Application granted granted Critical
Publication of EP0580844B1 publication Critical patent/EP0580844B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
    • B65D71/36—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers, with end walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00135—Wrapper locking means integral with the wrapper
    • B65D2571/00141—Wrapper locking means integral with the wrapper glued
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00456—Handles or suspending means integral with the wrapper
    • B65D2571/00469—Straps made between two handholes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00518—Handles or suspending means with reinforcements
    • B65D2571/00524—Handles or suspending means with reinforcements integral
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00537—Handles or suspending means with stress relieving means
    • B65D2571/00549—Handles or suspending means with stress relieving means consisting of fold lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00648—Elements used to form the wrapper
    • B65D2571/00654—Blanks
    • B65D2571/0066—Blanks formed from one single sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00709—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element
    • B65D2571/00722—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface
    • B65D2571/00728—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface the end walls being closed by gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00808—Inserts
    • B65D2571/00814—Inserts for reinforcing

Definitions

  • This invention relates to carriers which are adapted to carry a plurality of articles. More particularly, it relates to a carrier which is adapted to carry a plurality of layers of articles in stacked end-to-end relationship.
  • Sleeve-type carriers are commonly used to package beverage cans and other types of articles, and are typically formed from paperboard blanks which have been folded into collapsed sleeve form. Each collapsed sleeve is opened by a packaging machine, after which cans or other articles are introduced through one or both of the open ends of the sleeve and the end panel flaps are folded and secured together.
  • the cans are normally introduced in upright position while the carrier sleeve is supported on one of its side panels, with the open ends of the sleeve facing out to receive the cans.
  • the resulting carrier therefore contains a layer of cans the ends of which are located adjacent the side panels of the carrier. Additionally, a handle is normally incorporated into the top panel of the carrier to facilitate lifting and carrying.
  • the carrier of the invention which achieves the goal set out above, is designed to receive a plurality of layers of stacked articles.
  • the invention incorporates a plurality of layers of articles, with the ends of the articles in one layer being adjacent the ends of the articles in the next layer.
  • the ends of the articles in the end layers are adjacent the top and bottom panels instead of the side panels.
  • the top panel of the carrier preferably is comprised of an inner flap connected to the upper edge of one of the side panels along a fold line and an outer flap connected to the upper edge of the other side panel.
  • each of the inner and outer flaps has an edge remote from the side panels and each flap contains a handle opening spaced from the remote edge thereof.
  • the outer flap overlaps the inner flap to form an area of double thickness extending between the handle openings.
  • Reinforcing means are provided in the area of double thickness for reinforcing the area against tearing, and stress relief lines are provided in the top panel extending outwardly from the handle openings to distribute lifting stresses.
  • the stress relief lines comprise score lines extending from each handle opening to the nearest side panel, preferably to the corners of the top panel, and the reinforcing means comprises a sheet adhered to one of the top panel flaps, the sheet including a folded edge substantially aligned with a side edge of the handle opening in the outer top panel flap.
  • the end panels are comprised of end flaps foldably connected to the top, bottom and side panels, the end flap connected to the top panel comprising two overlapped flaps segments, whereby the overlapped flaps comprise an extension of the overlapped top panel flaps.
  • the carrier Due to the stacked arrangement of the articles in the carrier, the carrier is of a shape and size which makes lifting by means of the handle a relatively simple task, even though the contents of the carrier may be quite heavy.
  • FIG. 1 is a pictorial view of the carrier of the invention
  • FIG. 2 is a vertical sectional view taken along line 2- 2 of FIG. 1;
  • FIG. 3 is a plan view of the carrier of FIG. 1;
  • FIG. 4 is a plan view of a blank for fabricating the carrier of FIG. 1;
  • FIG. 5 is an enlarged sectional view of the area enclosed by the oval 5 in FIG. 2; and FIG. 6 is a pictorial view of the carrier of the invention illustrating the distortion of the top panel while being lifted or carried.
  • the carrier 10 is comprised of side panels 12 foldably connected to top panel 14 and to the bottom panel, not visible in this view.
  • the top panel is comprised of two top panel flaps 16 and 18 , described more fully below.
  • End panels 20 connect the top, bottom and side panels and are comprised of end panel flaps 22 and 24 adhered to dust flaps 26 and 28, wherein the end panel flaps are foldably connected to the top and bottom panels and the dust flaps are foldably connected to the side panels.
  • Spaced handle openings 30 and 32 are provided in the top panel and extend along the length of the carrier substantially parallel to the side panels. Score lines 34 extend from the ends of handle opening 30 to the nearest corners of the carrier, while score lines 36 extend from the ends of handle opening 32 to the other corners of the carrier .
  • the carrier contains a bottom layer of articles , shown for purpose of illustration as beverage cans Cl , and an upper layer of articles , shown as cans C2 , in stacked relationship.
  • the lower ends of the upper cans C2 thus are supported on the upper ends of the bottom cans Cl, with the bottom cans resting on the bottom panel 38.
  • the top panel 14 is closely adjacent, and preferably is in contact with, the tops of the cans C2 to provide for a tight fit between the cans and the carrier.
  • the top layer of cans is made up of twelve cans arranged in three rows of four cans. Since the bottom layer is identically arranged, the total number of cans in the carrier is twenty-four.
  • the top panel is reinforced between the handle openings as indicated by numeral 40, the details of which are explained hereinafter.
  • the carrier 10 of FIG. 1 is formed from the blank 42, wherein portions corresponding to similar elements of the carrier are identified by the same reference numerals.
  • the blank 42 is a single sheet of material, preferably paperboard, comprising a centrally located bottom panel section 38 connected to the side panel sections 12 along fold lines 44.
  • the outer top panel flap 16 is connected to one of the side panel sections 12 along fold line 46, while the inner top panel flap 18 is connected to the other side panel section 12 along fold line 48.
  • End panel flaps 24 are connected to the bottom panel section 38 along fold lines 50, and end panel flaps 22 are connected to the outer and inner top panel flaps 16 and 18 along fold lines 52 and 54, respectively.
  • Inner or dust flaps 26 and 28 are connected to the side panel sections 12 along fold lines 55 and 57, respectively.
  • the reinforcing means 40 of FIG. 2 comprises a sheet adhered to the inner top panel flap 18 so as to terminate at the free edge 56 of the inner top panel flap. It is preferred that the reinforcing sheet entirely cover the area which includes the handle opening 32, requiring the sheet to have a corresponding cutout 58 to enable the fingers of a user to penetrate the top panel when lifting the carrier, but in any event the sheet should at least extend to the outer edge of the cutout 32 in order to provide extra thickness in the handle strap portion. It will be appreciated that the inner surface of the blank is facing the viewer in FIG. 4 and that the reinforcing sheet is on the inner surface of the inner top panel flap.
  • Fabrication of the carrier is by standard means, with the blank being folded along the fold lines 44, 46 and 48 to bring the top panel flaps 16 and 18 together and then overlapping and gluing the top panel flaps in the stippled area 60 of the blank of FIG. 4.
  • the end panel flaps 22 extending from the outer top panel flap 16 are thus adhered to the end panel flaps 22 extending from the inner top panel flap 18 to form the upper end panel flaps extending from the top panel.
  • the end panels are formed in the usual manner by first folding the dust flaps 26 and 28 and then the end panel flaps down and gluing the end panel flaps to the dust flaps.
  • the reinforcing sheet 40 preferably is comprised of a thinner sheet than the material from which the carrier is formed, and is folded over upon itself to provide a fold 62.
  • the fold 62 is aligned with the edge 56 of the inner top panel flap 18, and both are aligned with the inner edge 64 of the cutout 30.
  • This edge is referred to in the claims as the remote side edge of the cutout 30, referring to the arrangement whereby this edge of the cutout is farthest from the side panel to which the inner top panel flap 18 is connected.
  • This design strengthens the strap portion due to the extra thickness of material in this region and also prevents tearing along the cutout edge 64 as well as in areas of the top panel flap 16 which would normally be at risk to a tear originating at this critical juncture in the handle area. This is thought to be due to the fact that a fold acts as a surface rather than an edge, and just as it is considerably more difficult to initiate a tear at a surface than at an edge, the folded reinforcement strip makes it difficult to initiate a tear along this lifting edge of the handle opening.
  • This design additionally provides a cushioning effect for the hand of a user.
  • the thickness of the carrier material has been exaggerated. It will be understood, therefore, that in actual practice the thickness of the strap portion of the handle between the openings 30 and 32 will not be as great with respect to the height of the cans as shown, and the top panel flaps 16 and 18 will be in contact with more, if not all, of the top surface of adjacent cans.
  • the design of the invention anticipates upward movement of the top panel as the fingers pull up on the handle while first gripping the strap portion and during lifting and carrying.
  • the top panel is adapted to smoothly bow upwardly without tearing at critical areas which normally receive most of the lifting stresses. This is accomplished by the stress relief score lines 34 and 36 which extend from the ends of the handle cutouts to the side panels. Preferably, as illustrated, these lines extend to the corners of the package, thereby transmitting the lifting stresses to the corner folds.
  • the benefit of the carrier design of the invention can be better understood by comparing a carrier of the invention which is adapted to carry 24 standard 12-fluid ounce beverage cans to a sleeve-type carrier adapted to carry only 12 of the same cans.
  • the cans are arranged with their ends against the side panels in three rows of four cans each.
  • the length of the package is thus approximately equal to four can diameters, the height to three can diameters and the width to one can length.
  • the cans are arranged with their ends against the top and bottom panels in two stacked layers, each layer being made up of three rows of four cans each.
  • the length of this package is thus approximately equal to four can diameters, the same as the length of the prior art 12-can package.
  • the height of the package is approximately equal to two can lengths and the width of the package is approximately equr.l to three can diameters. In terms of actual dimensions, this would mean that for a package of the same length as the prior art 12- pack package, a height of only about two inches more and a width of less than three inches more results in twice the carrying capacity. Additional layers of cans or other articles could be packaged simply by making the height of the carrier an additional article length greater.
  • the handle reinforcement afforded by the suitcase type of handle illustrated in the preferred embodiment resists tearing in this critical area, and the stress relief lines distribute the lifting and carrying stresses from the handle area to the sides, preferably to the corner folds of the carrier.
  • the overlapped portion of the top panel extends beyond the handle area to the ends of the top panel and beyond the top panel through the upper end panel flaps connected to the top panel. This increases the strength of the end panel flaps which in turn increases the strength of the end panels, allowing them to better resist the lifting stresses which may be distributed to them via the stress relief lines.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Packages (AREA)
  • Cartons (AREA)
  • Stackable Containers (AREA)
  • Laminated Bodies (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Catalysts (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Vending Machines For Individual Products (AREA)

Abstract

A carrier containing a plurality of layers of articles arranged in stacked end-to-end fashion. The carrier (12) is fully enclosed and is formed with overlapping top panel flaps (16, 18) which produce an area of double thickness between handle openings in the flaps. A reinforcing sheet (40) on the underside of the top panel in the double layer area protects against tearing, while stress relief lines in the form of score lines extending from the ends of the handle opening to the corners of the carrier provide for distribution of lifting and carrying stresses.

Description

CARRIER FOR STACKED ARTICLES
Field of the Invention This invention relates to carriers which are adapted to carry a plurality of articles. More particularly, it relates to a carrier which is adapted to carry a plurality of layers of articles in stacked end-to-end relationship.
Background of the Invention
Sleeve-type carriers are commonly used to package beverage cans and other types of articles, and are typically formed from paperboard blanks which have been folded into collapsed sleeve form. Each collapsed sleeve is opened by a packaging machine, after which cans or other articles are introduced through one or both of the open ends of the sleeve and the end panel flaps are folded and secured together. The cans are normally introduced in upright position while the carrier sleeve is supported on one of its side panels, with the open ends of the sleeve facing out to receive the cans. The resulting carrier therefore contains a layer of cans the ends of which are located adjacent the side panels of the carrier. Additionally, a handle is normally incorporated into the top panel of the carrier to facilitate lifting and carrying.
Although such carriers have been designed to contain varying numbers of articles, conventional packages for carrying beverage cans normally hold six or twelve cans. This is partly because a conventional sleeve-type carrier would be quite long when made large enough to handle large numbers of cans, such as twenty-four, and would be unwieldy to carry. Further, the heavy load caused by the cans would tend to promote tearing in the handle area.
Since it would be highly advantageous to have a sleeve- type carrier capable of holding a large number of articles, and capable of resisting tearing when lifted and carried, it is an object of the invention to provide such a carrier. Brief Summary of the Invention
The carrier of the invention, which achieves the goal set out above, is designed to receive a plurality of layers of stacked articles. Thus, instead of the usual single layer of articles arranged with their ends adjacent the side panels of the carrier, the invention incorporates a plurality of layers of articles, with the ends of the articles in one layer being adjacent the ends of the articles in the next layer. Moreover, the ends of the articles in the end layers are adjacent the top and bottom panels instead of the side panels. This results in the ability to carry more articles by only slightly increasing the overall dimensions of the carrier and lends itself to the use of a carrier handle which is capable of withstanding the increased load.
The top panel of the carrier preferably is comprised of an inner flap connected to the upper edge of one of the side panels along a fold line and an outer flap connected to the upper edge of the other side panel. In a preferred embodiment, each of the inner and outer flaps has an edge remote from the side panels and each flap contains a handle opening spaced from the remote edge thereof. The outer flap overlaps the inner flap to form an area of double thickness extending between the handle openings. The resulting suitcase style handle facilitates carrying the slightly wider package of the invention. Reinforcing means are provided in the area of double thickness for reinforcing the area against tearing, and stress relief lines are provided in the top panel extending outwardly from the handle openings to distribute lifting stresses.
In a preferred embodiment the stress relief lines comprise score lines extending from each handle opening to the nearest side panel, preferably to the corners of the top panel, and the reinforcing means comprises a sheet adhered to one of the top panel flaps, the sheet including a folded edge substantially aligned with a side edge of the handle opening in the outer top panel flap. Further, the end panels are comprised of end flaps foldably connected to the top, bottom and side panels, the end flap connected to the top panel comprising two overlapped flaps segments, whereby the overlapped flaps comprise an extension of the overlapped top panel flaps.
Due to the stacked arrangement of the articles in the carrier, the carrier is of a shape and size which makes lifting by means of the handle a relatively simple task, even though the contents of the carrier may be quite heavy.
These and other features and aspects of the invention, as well as other benefits, will readily be ascertained from the detailed description of the preferred embodiment described below. Brief Description of the Drawing
FIG. 1 is a pictorial view of the carrier of the invention;
FIG. 2 is a vertical sectional view taken along line 2- 2 of FIG. 1; FIG. 3 is a plan view of the carrier of FIG. 1;
FIG. 4 is a plan view of a blank for fabricating the carrier of FIG. 1;
FIG. 5 is an enlarged sectional view of the area enclosed by the oval 5 in FIG. 2; and FIG. 6 is a pictorial view of the carrier of the invention illustrating the distortion of the top panel while being lifted or carried.
Detailed Description of the Preferred Embodiment
Referring to FIG. 1 of the drawing, the carrier 10 is comprised of side panels 12 foldably connected to top panel 14 and to the bottom panel, not visible in this view. The top panel is comprised of two top panel flaps 16 and 18 , described more fully below. End panels 20 connect the top, bottom and side panels and are comprised of end panel flaps 22 and 24 adhered to dust flaps 26 and 28, wherein the end panel flaps are foldably connected to the top and bottom panels and the dust flaps are foldably connected to the side panels. Spaced handle openings 30 and 32 are provided in the top panel and extend along the length of the carrier substantially parallel to the side panels. Score lines 34 extend from the ends of handle opening 30 to the nearest corners of the carrier, while score lines 36 extend from the ends of handle opening 32 to the other corners of the carrier .
As shown in FIGS. 2 and 3, the carrier contains a bottom layer of articles , shown for purpose of illustration as beverage cans Cl , and an upper layer of articles , shown as cans C2 , in stacked relationship. The lower ends of the upper cans C2 thus are supported on the upper ends of the bottom cans Cl, with the bottom cans resting on the bottom panel 38. The top panel 14 is closely adjacent, and preferably is in contact with, the tops of the cans C2 to provide for a tight fit between the cans and the carrier. As shown in FIG. 3, the top layer of cans is made up of twelve cans arranged in three rows of four cans. Since the bottom layer is identically arranged, the total number of cans in the carrier is twenty-four. As illustrated in FIG. 2, the top panel is reinforced between the handle openings as indicated by numeral 40, the details of which are explained hereinafter.
Referring now to FIG. 4, the carrier 10 of FIG. 1 is formed from the blank 42, wherein portions corresponding to similar elements of the carrier are identified by the same reference numerals. The blank 42 is a single sheet of material, preferably paperboard, comprising a centrally located bottom panel section 38 connected to the side panel sections 12 along fold lines 44. The outer top panel flap 16 is connected to one of the side panel sections 12 along fold line 46, while the inner top panel flap 18 is connected to the other side panel section 12 along fold line 48. End panel flaps 24 are connected to the bottom panel section 38 along fold lines 50, and end panel flaps 22 are connected to the outer and inner top panel flaps 16 and 18 along fold lines 52 and 54, respectively. Inner or dust flaps 26 and 28 are connected to the side panel sections 12 along fold lines 55 and 57, respectively. In addition, the reinforcing means 40 of FIG. 2 comprises a sheet adhered to the inner top panel flap 18 so as to terminate at the free edge 56 of the inner top panel flap. It is preferred that the reinforcing sheet entirely cover the area which includes the handle opening 32, requiring the sheet to have a corresponding cutout 58 to enable the fingers of a user to penetrate the top panel when lifting the carrier, but in any event the sheet should at least extend to the outer edge of the cutout 32 in order to provide extra thickness in the handle strap portion. It will be appreciated that the inner surface of the blank is facing the viewer in FIG. 4 and that the reinforcing sheet is on the inner surface of the inner top panel flap.
Fabrication of the carrier is by standard means, with the blank being folded along the fold lines 44, 46 and 48 to bring the top panel flaps 16 and 18 together and then overlapping and gluing the top panel flaps in the stippled area 60 of the blank of FIG. 4. The end panel flaps 22 extending from the outer top panel flap 16 are thus adhered to the end panel flaps 22 extending from the inner top panel flap 18 to form the upper end panel flaps extending from the top panel. The end panels are formed in the usual manner by first folding the dust flaps 26 and 28 and then the end panel flaps down and gluing the end panel flaps to the dust flaps.
As shown in FIG. 5, the reinforcing sheet 40 preferably is comprised of a thinner sheet than the material from which the carrier is formed, and is folded over upon itself to provide a fold 62. The fold 62 is aligned with the edge 56 of the inner top panel flap 18, and both are aligned with the inner edge 64 of the cutout 30. This edge is referred to in the claims as the remote side edge of the cutout 30, referring to the arrangement whereby this edge of the cutout is farthest from the side panel to which the inner top panel flap 18 is connected. This design strengthens the strap portion due to the extra thickness of material in this region and also prevents tearing along the cutout edge 64 as well as in areas of the top panel flap 16 which would normally be at risk to a tear originating at this critical juncture in the handle area. This is thought to be due to the fact that a fold acts as a surface rather than an edge, and just as it is considerably more difficult to initiate a tear at a surface than at an edge, the folded reinforcement strip makes it difficult to initiate a tear along this lifting edge of the handle opening.
This design additionally provides a cushioning effect for the hand of a user. For purpose of illustration the thickness of the carrier material has been exaggerated. It will be understood, therefore, that in actual practice the thickness of the strap portion of the handle between the openings 30 and 32 will not be as great with respect to the height of the cans as shown, and the top panel flaps 16 and 18 will be in contact with more, if not all, of the top surface of adjacent cans.
As will be appreciated, there is little room for the fingers of a user to maneuver when trying to get a grip on the handle strap due to the close proximity of the tops of the cans to the top panel. The design of the invention anticipates upward movement of the top panel as the fingers pull up on the handle while first gripping the strap portion and during lifting and carrying. As shown in FIG. 6, the top panel is adapted to smoothly bow upwardly without tearing at critical areas which normally receive most of the lifting stresses. This is accomplished by the stress relief score lines 34 and 36 which extend from the ends of the handle cutouts to the side panels. Preferably, as illustrated, these lines extend to the corners of the package, thereby transmitting the lifting stresses to the corner folds.
The benefit of the carrier design of the invention can be better understood by comparing a carrier of the invention which is adapted to carry 24 standard 12-fluid ounce beverage cans to a sleeve-type carrier adapted to carry only 12 of the same cans. In the 12-can prior art carrier the cans are arranged with their ends against the side panels in three rows of four cans each. The length of the package is thus approximately equal to four can diameters, the height to three can diameters and the width to one can length. In the 24-can carrier of the invention the cans are arranged with their ends against the top and bottom panels in two stacked layers, each layer being made up of three rows of four cans each. The length of this package is thus approximately equal to four can diameters, the same as the length of the prior art 12-can package. The height of the package is approximately equal to two can lengths and the width of the package is approximately equr.l to three can diameters. In terms of actual dimensions, this would mean that for a package of the same length as the prior art 12- pack package, a height of only about two inches more and a width of less than three inches more results in twice the carrying capacity. Additional layers of cans or other articles could be packaged simply by making the height of the carrier an additional article length greater.
The handle reinforcement afforded by the suitcase type of handle illustrated in the preferred embodiment resists tearing in this critical area, and the stress relief lines distribute the lifting and carrying stresses from the handle area to the sides, preferably to the corner folds of the carrier. The overlapped portion of the top panel extends beyond the handle area to the ends of the top panel and beyond the top panel through the upper end panel flaps connected to the top panel. This increases the strength of the end panel flaps which in turn increases the strength of the end panels, allowing them to better resist the lifting stresses which may be distributed to them via the stress relief lines.
Although a specific carrier design has been disclosed which is economical to fabricate and is capable of increasing the carrying capacity over prior art carriers while only slightly increasing the carrier size, it will be understood that changes to certain features and aspects of the design which do not affect the overall basic function and concept of the invention may be made by those skilled in the art without departing from the spirit and scope of the invention, as defined by the appended claims.

Claims

WHAT IS CLAIMED IS: 1. An article carrier containing a plurality of layers of stacked articles, comprising: two side panels having upper and lower edges; a bottom panel connected to the lower edges of the side panels; a top panel connected to the top edges of the side panels; end panels connected to the top, bottom and side panels; and the plurality of layers of articles having top and bottom ends, the articles of each layer being arranged in stacked end-to-end relationship with the articles in the next adjacent layer, the bottom ends of the articles in the lowermost layer contacting the bottom panel of the carrier and the top ends of the articles in the uppermost layer being adjacent the top panel of the carrier when the carrier is resting on the bottom panel. 2. The article carrier of claim 1, wherein the top panel is comprised of an inner flap connected to the upper edge of one of the side panels along a fold line and an outer flap connected to the upper edge of the other side panel along a fold line, and wherein the top panel includes handle means. 3. The article carrier of claim 2, wherein each of the inner and outer flaps has an edge remote from the side panels and each flap contains a handle opening spaced from the remote edge thereof, the outer top panel flap overlapping the inner top panel flap to form an area of double thickness, said area extending between the handle openings. 4. The carrier of claim 3 , including reinforcing means in the area of double thickness for reinforcing said area against tearing, the reinforcing means comprising a sheet adhered to the underside of the inner top panel flap, the sheet including a folded edge substantially aligned with the edge of the handle opening in the outer top panel flap nearest the remote edge of the outer top panel flap. 5. The carrier of claim 3, wherein the top panel includes stress relief lines extending from the handle openings to the side panel nearest thereto to distribute lifting stresses outwardly from the handle openings. 6. The carrier of claim 5, wherein each handle opening is of elongated shape extending substantially parallel to the upper edges of the side panels, the handle openings terminating in end edges, and wherein the score lines extend from the end edges of the handle openings to the nearest end of the nearest upper side panel edge. 7. The carrier of claim 3, wherein each end panel comprises end flaps foldably connected to the top, bottom and side panels, the end flap connected to the top panel comprising two overlapped flaps, the overlapped flaps comprising an extension of the overlapped top panel flaps. 8. The carrier of claim 3, wherein the articles are beverage cans arranged in two layers. 9. A carrier adapted to contain a plurality of layers of stacked articles, comprising: two side panels having upper and lower edges; a bottom panel connected to the lower edges of the side panels and a top panel connected to the top edges of the side panels; the top panel being formed of an inner flap connected to the upper edge of one of the side panels along a fold line and an outer flap connected to the upper edge of the other side panel; each of the inner and outer flaps having an edge remote from the side panels and each flap containing a handle opening spaced from the remote edge thereof; the outer flap overlapping the inner flap to form an area of double thickness, said area extending between the handle openings; reinforcing means in the area of double thickness for reinforcing said area against tearing; and stress relief lines in the top panel extending from the handle openings to distribute -Lifting stresses outwardly from the handle openings. 10. The carrier of claim 9, wherein the stress relief lines comprise score lines extending from each handle opening to the side panel nearest thereto. 11. The carrier of claim 10, wherein each handle opening is of elongated shape extending substantially parallel to the upper edges of the side panels, the handle openings terminating in end edges, and wherein the score lines extend from the end edges of the handle openings to the nearest end of the nearest upper side panel edge. 12. The carrier of claim 9, wherein each handle opening comprises side edges extending substantially parallel to the upper edges of the side panels, the side edge of each handle opening nearest the remote edge of the top panel flap in which the opening is located comprising the remote side edge of the handle opening, the remote edge of the outer top panel flap being substantially aligned with the remote side edge of the handle opening in the inner top panel flap and the remote edge of the inner top panel flap being substantially aligned with the remote side edge of the handle opening in the outer top panel flap. 13. The carrier of claim 12, wherein the reinforcing means comprises a sheet adhered to the one of the top panel flaps, the sheet including an edge substantially aligned with the remote edge of the handle opening in the other top panel flap. 14. The carrier of claim 13, wherein the reinforcing sheet is adhered to the underside of the inner top panel flap and wherein said edge of the reinforcing sheet comprises a fold resulting from the sheet being folded upon itself. 15. The carrier of claim 14 , wherein the reinforcing sheet is of less thickness than the thickness of the top panel flaps. 16. The carrier of claim 12, including end panels, each end panel comprising end flaps foldably connected to the top, bottom and side panels, the end flap connected to the top panel comprising two overlapped flaps, the overlapped flaps comprising an extension of the overlapped top panel flaps.
EP93904964A 1992-02-11 1993-02-08 Carrier for stacked articles Expired - Lifetime EP0580844B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US83489292A 1992-02-11 1992-02-11
US834892 1992-02-11
PCT/US1993/001097 WO1993015971A1 (en) 1992-02-11 1993-02-08 Carrier for stacked articles

Publications (3)

Publication Number Publication Date
EP0580844A1 EP0580844A1 (en) 1994-02-02
EP0580844A4 true EP0580844A4 (en) 1995-11-08
EP0580844B1 EP0580844B1 (en) 1998-05-20

Family

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Application Number Title Priority Date Filing Date
EP93904964A Expired - Lifetime EP0580844B1 (en) 1992-02-11 1993-02-08 Carrier for stacked articles

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EP (1) EP0580844B1 (en)
JP (1) JP3184223B2 (en)
AT (1) ATE166313T1 (en)
AU (1) AU663366B2 (en)
BR (1) BR9303966A (en)
CA (1) CA2107995C (en)
DE (1) DE69318635T2 (en)
ES (1) ES2115761T3 (en)
FI (1) FI934406A (en)
NO (1) NO933619D0 (en)
NZ (1) NZ249391A (en)
WO (1) WO1993015971A1 (en)

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US5282348A (en) * 1992-06-16 1994-02-01 Riverwood International Corporation Clip-type article carrier and method of manufacture
US5297725A (en) * 1993-07-01 1994-03-29 Riverwood International Corporation Carrier for stacked articles
GB9413862D0 (en) * 1994-07-08 1994-08-24 Mead Corp Beverage carton with strap type carrying handle

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US3904036A (en) * 1974-11-15 1975-09-09 Mead Corp Fully enclosed bottle container

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US4121757A (en) * 1978-01-24 1978-10-24 Container Corporation Of America Flap arrangement for a carrier carton
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DE3139090C1 (en) * 1981-10-01 1983-07-28 Röhm GmbH, 6100 Darmstadt Plastisols made from copolymers of methyl methacrylate with improved adhesive strength and their use
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US3904036A (en) * 1974-11-15 1975-09-09 Mead Corp Fully enclosed bottle container

Also Published As

Publication number Publication date
JP3184223B2 (en) 2001-07-09
BR9303966A (en) 1994-08-02
DE69318635D1 (en) 1998-06-25
NZ249391A (en) 1996-10-28
AU3614193A (en) 1993-09-03
CA2107995C (en) 2002-09-03
DE69318635T2 (en) 1999-02-11
JPH06506902A (en) 1994-08-04
FI934406A0 (en) 1993-10-07
FI934406A (en) 1993-10-07
CA2107995A1 (en) 1993-08-12
NO933619L (en) 1993-10-08
NO933619D0 (en) 1993-10-08
ES2115761T3 (en) 1998-07-01
EP0580844A1 (en) 1994-02-02
WO1993015971A1 (en) 1993-08-19
AU663366B2 (en) 1995-10-05
EP0580844B1 (en) 1998-05-20
ATE166313T1 (en) 1998-06-15

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