CN1053774A - Sealing bag with tear-open spout - Google Patents
Sealing bag with tear-open spout Download PDFInfo
- Publication number
- CN1053774A CN1053774A CN90109625A CN90109625A CN1053774A CN 1053774 A CN1053774 A CN 1053774A CN 90109625 A CN90109625 A CN 90109625A CN 90109625 A CN90109625 A CN 90109625A CN 1053774 A CN1053774 A CN 1053774A
- Authority
- CN
- China
- Prior art keywords
- sack
- discharging opening
- fluid
- slit
- defines
- 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.)
- Withdrawn
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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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
- B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/008—Standing pouches, i.e. "Standbeutel"
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Packages (AREA)
- Making Paper Articles (AREA)
Abstract
A kind of sealing bag of making by the thin polymer film of molecular orientation (20) along peripheric sealing.Sack (20) defines the sealed cavity (22) that holds fluid (F), also defines the leak free discharging opening (24) that is communicated with fluid cavity (22).Sack (20) also defines a seaming zone (26) that is positioned between cavity (22) and the discharging opening (24).The improved feature of the present invention is to limit the part of fluid discharge end (36) in the film along the predetermined direction molecular orientation.Another feature is that seaming zone (26) defines the slit (30) perpendicular to predetermined direction.The 3rd feature is that the sealing bag marginal portion defines a guide groove (32).
Description
The present invention relates generally to the sealing bag made along its peripheric sealing by thin polymer film with molecular orientation.
Resemble the such plastic sheeting of polyethylene or polypropylene, in fact can not directly tear along straight line or other regular lines.This is because when applying oppositely directed shearing or pulling force in a certain zone of film or thin slice, this two power can make plastic film material distortion and plastic elongation, until surpassing its elastic limit, at this moment could produce and tear or separation phenomenon.Above-mentionedly tear that phenomenon can start from being out of shape, drawing zone Anywhere, at the weakness that reduces by above-mentioned thickness, in general can not extend usually along direction perpendicular to the power of tearing.Like this, because the tensility of film even apply the power of tearing carefully, equably, also can not be torn plastic sheeting along pre-boning out or other regular lines in the artificially.
As a result, for opening plastic bag, usually need to adopt sharp keen instrument or other devices.Obviously, this is pretty troublesome, also often can not find suitable instrument.
A solution to the problems referred to above is to punch or cut in the selected part of sealing bag or film, plastic film material can be torn regularly, but this can make film itself be weakened.And punching or similar approach can weaken required sealing, the sealing bag that contains fluid is produced leak, and have limited the practical application of sealing bag.
Containing fluid and having in the sealed plastic bag of the discharging opening of emitting this fluid, requiring this discharging opening to open easily, and need not serviceable tool or cut on plastic material.
Therefore, the purpose of this invention is to provide a kind of improved sealing bag, it does not need any instrument or cut and easily opening on material.
Sealing bag of the present invention is by the sealing bag of making along neighboring area leak free film with molecular orientation.The sealing bag defines a sealed cavity that holds fluid.The sealing bag also defines a sealed fluid flow discharge orifice that is communicated with fluid cavity, also defines a seaming zone of being located between fluid cavity and the discharge orifice.
Improvement of the present invention comprises three essential characteristics at least.Feature is fluid discharge end that part of for having molecular orientation in a predetermined direction that limits material mouthful on the thin polymer film.Another feature is that above-mentioned seaming zone defines a slit perpendicular to above-mentioned predetermined direction.Another feature is that the sealing bag periphery defines a guide groove of tearing along above-mentioned predetermined direction near discharging opening fluid discharge end.
Above-mentioned and other features of the present invention can come into plain view by the description below in conjunction with accompanying drawing.
Fig. 1 is the block diagram of one embodiment of the invention;
Fig. 2 is along the cutaway view of 2-2 line intercepting among Fig. 1, than Fig. 1 amplification is arranged slightly;
Fig. 3 is the cutaway drawing along the amplification of 3-3 line intercepting among Fig. 2;
Fig. 4 is the cutaway drawing of the amplification of another embodiment of the present invention, has shown tear-open spout;
Fig. 5 is the cutaway drawing that is similar to Fig. 4, has shown the discharging opening of having torn;
Fig. 6 is the block diagram of another embodiment of the present invention;
Fig. 7 is along the cutaway view of 7-7 line intercepting among Fig. 6, than Fig. 6 amplification is arranged slightly;
Fig. 8 is the cutaway drawing along the amplification of 8-8 line intercepting among Fig. 7.
In institute's drawings attached, equal reference numbers is represented same section.
The professional in present technique field knows, the edge of soft plastic bag can adopt hot pressing, dielectric bonding, high-frequency heating, solvent is fused or encapsulating method such as lining cement links together.For example disclosed in No. 4838429, the US Patent.
Referring to Fig. 1, the present invention to airtight container or the bag 20A improvement details are as follows.
Wherein, sealing bag 20A is made along peripheric sealing by the soft polymer film with molecular orientation.
This field the professional all know, various thermoplastic sheets or membraneous material particularly are used for making the soft bag or the material of container, no matter form by blowing, calendering, molding or extrusion molding, all have molecular orientation to a certain degree.For example, certain thermo-plastic planking or film can be by stretching towards predetermined direction and making its molecular orientation wittingly.Ask for an interview the disclosure of No. 4838429, US Patent.In this respect, the molecular orientation material of knowing comprises polyethylene, polypropylene and polystyrene.See the disclosure in No. 3608815, the US Patent.
Bag 20A defines a sealed cavity 22A who holds fluid " F ", also defines with cavity 22A and carries out the fluid discharging opening 24A that fluid is communicated with.
Leak free discharging opening 24A can be crooked as shown in Fig. 1 to Fig. 3, the also desirable relative cavity 22B(Fig. 4 of discharging opening 24B) be the linearity of acute angle.In addition, discharging opening 24C can be elongated, and its inside has impression 25(Fig. 6 to Fig. 8).These discharging openings all are suitable for finishing purpose of the present invention.Bag 20A also defines a leak free seaming zone 26A between fluid cavity 22A and discharging opening 24A.
Improvement of the present invention comprises at least three essential characteristics.
Feature is that the part 28A of thin polymer film that limits the fluid discharge end of discharging opening 24A has molecular orientation in a predetermined direction.Among Fig. 1 to Fig. 3 among (at part 28A place), Fig. 4 among (part 28B place) and Fig. 6 to Fig. 8 the dotted line at (part 28C place) shown the direction of the predetermined molecular orientation of thin polymer film bag among the present invention.Preferred polymer thin-film material is polyethylene or the polypropylene with molecular orientation among the present invention.And film thickness is a design alternative factor, and it is to consider according to the type of fluid of being held with from economic angle.
Another feature is that defining of seaming zone 26A one penetrates membraneous material and perpendicular to the slit 30A of the predetermined molecular orientation direction of film, this molecular orientation direction is represented by the dotted line of the label 28A indication at the discharge end place of sealed discharging mouth 24A fully.Slit 30A is a linearity in Fig. 1 to Fig. 3, is arc shaped in Fig. 4.The elongate slit 30C that has represented another embodiment among Fig. 6 to Fig. 8.
Another feature is that near the sealing bag peripheral part the fluid discharge end of leak free discharging opening 24A defines one and tears guide groove 32A.Guide groove 32A is positioned near the part 28A of film of the fluid discharge end that limits leak free discharging opening 24A, and towards the direction of film molecular orientation.As a result, after catching the leak free edge of guide groove both sides with the finger of two hands, the user is easy to tear from guide groove to slit the edge of bag.Since slit towards direction perpendicular to the film molecular orientation, the opening of tearing always ends at above-mentioned slit.The end 34A of slit 30A preferably extends in the seaming zone 26A, and the opening that starts from guide groove 32A is stopped effectively.Fig. 4 has shown similar structure, and each several part is respectively guide groove 32B, slit 30B, slit clearing end 34B and seaming zone 26B.In Fig. 1, the remainder of slit 30A can disconnect the edge of bag 20A fully or be about to open circuited edge as ending among Fig. 4.Best, not open circuited marginal portion is as far as possible little, makes one jiao of 38B(Fig. 4 of bag 20B) tear from the remainder of bag easily, do not cause fluid to produce unnecessary leakage again from the cavity 22B of bag 20B.In practical operation, the propagation of tearing from guide groove 32B to slit 30B and the angle 38B(Fig. 4 that tears from the edge of bag 20B), the discharge end 36B(Fig. 5 that makes bag 20B produce discharging opening and open).
Return to see Fig. 1 and Fig. 2 below, wherein bag 20A comprises edge limited and inwardly stretch into the impression 40 and 41 of cavity 22A by bag.The position of the crooked discharging opening 24A of the relative osed top that limits by the upper limb 42 of bag 20A of cavity impression 40 with 41, the user is exerted pressure by the fluid in bag on the bag sidewall, force fluid to enter crooked discharging opening 24A, and make the distortion minimum of upper limb 42 from cavity 22A.This field professional can understand distortion meeting limit fluid the flowing by crooked discharging opening 24A of upper limb 42.
Impression 40 and 41(Fig. 1 and Fig. 2) not essential characteristic of the present invention.Therefore, those skilled in the art are easy to understand, can make certain sealing bag that has above-mentioned three features of the present invention but do not comprise impression 40 and 41 if necessary.
Fig. 6 to Fig. 8 again is to discuss another feature of the present invention.As shown in the figure, discharging opening 24C and seaming zone 26C all can be elongated.Slit 30C can be elongated shape, and is located within the seaming zone 26C, makes the inner 34C of slit be in such position, makes to form the upper limb lid 44 that limits elongated discharging opening 24C effectively.In the above described manner from guide groove 32C to slit 30C, after discharging opening end 28C tears an opening and angle 38C is torn from bag 20C, if necessary, the soft polymetric material of bag 20C can make user's warpage lid 44, make it leave the plane that bag 20C sealing the margin remainder limits, make the elongated excessively discharging opening 24C of fluid flow.
If be provided with impression 25, it will further control the fluid stream by elongated discharging opening 24C.As discharging opening 24C, impression 25 is also limited by the upper limb of sealing bag 20C.In Fig. 6 to Fig. 8, impression 25 is positioned on the elongated discharging opening 24C opposed inside wall.The purpose that impression 25 is set provides and a kind of the fluid rate of discharge is controlled at a kind of device in the predetermined limits.When the user forced fluid to pass through discharging opening 24C consciously, it was controlled rate of outflow.Another purpose of impression 25 is when the user forces fluid to pass through discharging opening 24C unintentionally, passs another man-hour as the sack of an opening by a people, and the fluid rate of discharge is reduced to minimum.The 3rd purpose of impression 25 is when sack does not use, and when its side direction was kept flat, limit fluid stream was by discharging opening 24C.Above-mentioned purpose realizes with the axial and vertical size of the viscosity of fluid and surface tension, discharging opening 24C, axially the gap length between the impression 25C that is oppositely arranged on vertical of the impression number of setting and discharging opening is relevant along discharging opening 24C.
Above-described is the improvement that the sealing bag that the thin polymer film with molecular orientation is made is carried out.And sealing bag of the present invention is described with several embodiment, but is not limited to foregoing description.This field professional can carry out various change shape and corrections after the description on read.For example, sealing bag of the present invention comprises the bottom (Fig. 1 and Fig. 6) of setting, and No. 3510054 disclosed flat bottom bags of US Patent obviously are the shapes that changes of the present invention.Therefore, this change shape and revise should be counted as a part of the present invention, and be included in the protection domain of this paper claim.
Sealing bag of the present invention can hold multiple fluid, as shampoo, hair conditioner, shower and shaving cream, bath oil, hand cleanser, dishwasher detergent, moisture cold cream, laundry detergents, deruster, liquid Automobile Products, as windshield cleaning liquid, catsup and mustard, salad dressing and jelly, liquid milk products,, mineral water cruel etc. as milk and yogurt." fluid " that limit among the application is broad sense, and therefore, sealing bag of the present invention also is used for adorning pourable powder, as laundry soap powder, family expenses purging medium etc.
Claims (4)
1, a kind of sack along peripheric sealing, wherein, this sack defines a sealed cavity that holds fluid, the part at sack edge defines one and carries out the sealed fluid flow that fluid is communicated with this cavity and discharge discharging opening, above-mentioned discharging opening has a fluid discharge end, the another part at sack edge defines a seaming zone between above-mentioned cavity and discharging opening, and this sack is characterised in that:
Sack is made by the thin polymer film with molecular orientation;
The sack marginal portion of the fluid discharge end of qualification discharging opening is along the predetermined direction molecular orientation;
Seaming zone defines an opening perpendicular to above-mentioned predetermined direction and stops slit;
The sack marginal portion that limits the fluid discharge end of discharging opening comprises a guide groove of tearing along above-mentioned predetermined direction setting, and above-mentioned slit penetrates film fully, and its length can stop the opening of tearing along predetermined direction from guide groove to slit effectively.
2,, be characterised in that slit has disconnected the edge of sack according to the sack of claim 1.
3,, be characterised in that slit ends at the fringe region of sack according to the sack of claim 1.
4, according to the sack of claim 1, be characterised in that discharging opening, seaming zone and slit are elongated, wherein elongated discharging opening comprises the device of control by the fluid stream of discharging opening.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47441490A | 1990-02-02 | 1990-02-02 | |
| US474,414 | 1990-02-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1053774A true CN1053774A (en) | 1991-08-14 |
| CN1019374B CN1019374B (en) | 1992-12-09 |
Family
ID=23883424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90109625A Expired CN1019374B (en) | 1990-02-02 | 1990-12-03 | Sealed bag with tear-open spout |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0593445B1 (en) |
| JP (1) | JPH05503906A (en) |
| CN (1) | CN1019374B (en) |
| AR (1) | AR247524A1 (en) |
| AT (1) | ATE117959T1 (en) |
| AU (1) | AU6885091A (en) |
| CA (1) | CA2074480A1 (en) |
| DE (1) | DE69016679T2 (en) |
| DK (1) | DK0593445T3 (en) |
| ES (1) | ES2067772T3 (en) |
| GR (1) | GR3014945T3 (en) |
| WO (1) | WO1991011366A1 (en) |
| ZA (1) | ZA909746B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105377714A (en) * | 2013-07-03 | 2016-03-02 | 宝洁公司 | Method of improving re-closure of oxidative hair colorant sachet with foldable re-closure device |
| CN106458415A (en) * | 2014-06-04 | 2017-02-22 | 株式会社悠心 | Packaging bag |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6095689A (en) * | 1993-12-16 | 2000-08-01 | Socoplan S.A. | Flexible bag with incorporated opening line |
| US5411178A (en) * | 1994-03-11 | 1995-05-02 | Beeton Holdings Limited | Fluid dispenser pouch with venturi shaped outlet |
| US5906827A (en) * | 1994-06-03 | 1999-05-25 | Creative Biomolecules, Inc. | Matrix for the manufacture of autogenous replacement body parts |
| DE20106034U1 (en) | 2001-04-06 | 2001-07-05 | August Töpfer & Co. (GmbH & Co.), 20539 Hamburg | Packaging for bath salts |
| JP2006256627A (en) * | 2005-03-15 | 2006-09-28 | Toyo Seikan Kaisha Ltd | Packaging bag having self-closing spout |
| FR2898343B1 (en) * | 2006-03-09 | 2008-05-02 | Acp Soc Par Actions Simplifiee | FLAT BAG FORMED BY TWO SIDED SIDES AND CONTAINING A PRODUCT SHEET |
| DE102009031391A1 (en) * | 2009-07-01 | 2011-01-05 | Huhtamaki Ronsberg, Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Tearable-free standing flat-ended bag for accommodating e.g. chips, has front and rear sides exhibiting position, where tear-preferred direction of position, direction of tear extension and tear-parallel line comprise specific degree |
| GB2539479A (en) * | 2015-06-17 | 2016-12-21 | Kazimierz Szymanek Dariusz | Sachet in which after opening one part of the sachet works as a narrow pouring nozzle or a narrow pipe |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2248266A (en) * | 1939-09-25 | 1941-07-08 | William C Abrams | Package |
| US2923404A (en) * | 1956-08-30 | 1960-02-02 | Adell Robert | Container for alcoholic beverages |
| US3179327A (en) * | 1962-05-24 | 1965-04-20 | Dow Chemical Co | Film tear line |
| GB1015383A (en) * | 1963-10-03 | 1965-12-31 | Arenco Ab | Improvements in or relating to easily openable bags |
| US3579397A (en) * | 1966-08-16 | 1971-05-18 | Windmoeller & Hoelscher | Process of manufacturing bags having tear strips and consisting of synthetic thermoplastics |
| US3510054A (en) * | 1968-07-23 | 1970-05-05 | Dino Di Carlo | Dispenser packet |
| US3616990A (en) * | 1969-05-01 | 1971-11-02 | Joseph J Powell | Easy-tear arrangement for stretchable plastic film |
| US3565328A (en) * | 1969-05-15 | 1971-02-23 | Bemis Co Inc | Multiwall pinch closure bag with opening feature |
| US3608815A (en) * | 1969-07-03 | 1971-09-28 | Dixie Wax Paper Co | Opening aid for packages |
| AU500105B2 (en) * | 1975-03-05 | 1979-05-10 | Milvik, Michael | One-piece letter sheet |
| US4491224A (en) * | 1982-03-05 | 1985-01-01 | C O D Inter Techniques Sa | Weldable tear-off capping film for sealing packages |
| US4519499A (en) * | 1984-06-15 | 1985-05-28 | Baxter Travenol Laboratories, Inc. | Container having a selectively openable seal line and peelable barrier means |
| US4720011A (en) * | 1986-09-30 | 1988-01-19 | E. I. Du Pont De Nemours And Company | Package having tearstrip opener |
| US4838429A (en) * | 1986-10-10 | 1989-06-13 | Baxter International Inc. | Flexible thermoplastic pouches having easy-open tear strip means and apparatus for making same |
| US4834245A (en) * | 1988-08-05 | 1989-05-30 | Kabushiki Kaisha Hosokawa Yoko | Pouch having tearing zone for taking out content packed therein |
-
1990
- 1990-11-13 DK DK90917441.9T patent/DK0593445T3/en active
- 1990-11-13 EP EP90917441A patent/EP0593445B1/en not_active Expired - Lifetime
- 1990-11-13 CA CA002074480A patent/CA2074480A1/en not_active Abandoned
- 1990-11-13 ES ES90917441T patent/ES2067772T3/en not_active Expired - Lifetime
- 1990-11-13 AU AU68850/91A patent/AU6885091A/en not_active Abandoned
- 1990-11-13 DE DE69016679T patent/DE69016679T2/en not_active Expired - Fee Related
- 1990-11-13 JP JP3500574A patent/JPH05503906A/en active Pending
- 1990-11-13 AT AT90917441T patent/ATE117959T1/en not_active IP Right Cessation
- 1990-11-13 WO PCT/US1990/006673 patent/WO1991011366A1/en active IP Right Grant
- 1990-11-27 AR AR90318479A patent/AR247524A1/en active
- 1990-12-03 CN CN90109625A patent/CN1019374B/en not_active Expired
- 1990-12-04 ZA ZA909746A patent/ZA909746B/en unknown
-
1995
- 1995-02-02 GR GR940403512T patent/GR3014945T3/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105377714A (en) * | 2013-07-03 | 2016-03-02 | 宝洁公司 | Method of improving re-closure of oxidative hair colorant sachet with foldable re-closure device |
| CN106458415A (en) * | 2014-06-04 | 2017-02-22 | 株式会社悠心 | Packaging bag |
| CN106458415B (en) * | 2014-06-04 | 2018-12-18 | 株式会社悠心 | Packaging bag |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1991011366A1 (en) | 1991-08-08 |
| DE69016679T2 (en) | 1995-06-01 |
| ZA909746B (en) | 1992-04-29 |
| EP0593445B1 (en) | 1995-02-01 |
| AU6885091A (en) | 1991-08-21 |
| CN1019374B (en) | 1992-12-09 |
| ES2067772T3 (en) | 1995-04-01 |
| CA2074480A1 (en) | 1991-08-03 |
| DE69016679D1 (en) | 1995-03-16 |
| DK0593445T3 (en) | 1995-07-17 |
| EP0593445A1 (en) | 1994-04-27 |
| GR3014945T3 (en) | 1995-05-31 |
| AR247524A1 (en) | 1995-01-31 |
| ATE117959T1 (en) | 1995-02-15 |
| EP0593445A4 (en) | 1993-10-01 |
| JPH05503906A (en) | 1993-06-24 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |