US3535844A - Structural panels - Google Patents

Structural panels Download PDF

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Publication number
US3535844A
US3535844A US744901A US3535844DA US3535844A US 3535844 A US3535844 A US 3535844A US 744901 A US744901 A US 744901A US 3535844D A US3535844D A US 3535844DA US 3535844 A US3535844 A US 3535844A
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panel
outer face
spaced
side edge
opposite
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US744901A
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Emanuel Michael Glaros
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HH Robertson Co
GLAROS PRODUCTS Inc
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GLAROS PRODUCTS Inc
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0889—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/15—Trimming strips; Edge strips; Fascias; Expansion joints for roofs
    • E04D13/151—Expansion joints for roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/355—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material the insulating layers of adjacent slabs having cooperating edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/366—Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/38—Devices for sealing spaces or joints between roof-covering elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • E04F13/0878—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer the basic insulating layer comprising mutual alignment or interlocking means
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0889—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • E04F13/0894—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with tongue and groove connections
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0889—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • E04F13/0898—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections with sealing elements between coverings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/18—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of organic plastics with or without reinforcements or filling materials or with an outer layer of organic plastics with or without reinforcements or filling materials; plastic tiles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2002/001—Mechanical features of panels
    • E04C2002/004—Panels with profiled edges, e.g. stepped, serrated

Definitions

  • a structural panel forming member and a panel are provided;
  • the panel forming member is made up of a continuous sheet of material of uniform thickness having an outer face forming an exposed wall surface and an opposite inner surface, opposite first and second side edges and opposite first and second end edges, said first side edge being bent to form a groove-like recess spaced from the outer face, the second side edge being bent to form a tongue spaced from the outer face and adapted to fit within the groovelike recess;
  • the panel is formed by a pair of spaced apart panel forming members with an insulant therebetween.
  • This invention relates to structural panels and particularly to composite laminate insulated structural panels having inner and outer surfaces or skins, at least the outer one of which is inter-connected by side and end laps and to the novel skin sheets used in forming such laminates or as structural panels in their own right.
  • I provide a panel forming member comprising a continuous sheet of material of substantially uniform thickness formed to provide an outer face adapted to form an exposed wall surface and an inner opposite face, opposite first and second side edges and opposite first and second end edges, said first side edge being bent to form a groove-like recess spaced from the outer face and extending the length of the panel, the second side edge being bent to form a tongue spaced from the outer face and adapted to fit within the groove-like recess of the first edge.
  • an insulated panel is formed by spacing two much members apart with the inner faces toward one another and the first side edge of one adjacent the second side edge of the other to form a box-like configuration into which an insulant is formed in situ between and adhering to the inner faces of the two panel forming members.
  • the two members are spaced so the first end edge of each extends beyond the insulant to form an overlapping edge for as sembly of panels end to end.
  • at least one of the tongue and the groove is provided with a sealant slot extending its full length into which a resilient sealant is placed during assembly of adjacent side-by-side members or panels as the case may be.
  • the members used in forming an insulated panel are preferably spaced apart at the side edges so as to eliminate any continuous contact between the two and thereby prevent heat exchange from one to the other and providing an area for insertion of a fastener which forms a blind fastener to the exterior face.
  • the insulant is urethane foam formed in situ between the inner and outer sheets.
  • FIG. 1 is a fragmentary isometric view of a panel according to my invention
  • FIG. 2 is a fragmentary section of a joint between two adjacent panels according to FIG. 1 showing the fastening to a building girt;
  • FIG. 3 is a section broken away of three adjacent panel fragments and their respective positions for joining;
  • FIGS. 1 through 3 I have illustrated a preferred embodiment of my invention in which two panel forming members 10 and 11 are spaced apart by a foamed in situ urethane foam insultant 12.
  • the two panel forming members 10 and 11 have outer faces of different configurations, that of 10 'being perfectly fiat and planar, while that of 11 is generally planar but has a central valley or trough portion 14 for decorative as well as utilitarian drainage effect. While I have illustrated an outer skin having a trough it will be obvious that the skin may be flat or have any other configuration and that the inner and outer skins may be identical.
  • the side edges 15 and 16 of member 10 and 17 and 1.8 of member 11 are of like configurations.
  • One side edge of each, 15 and 17 respectively, is bent to form a groove 19.
  • the second side edge of each, 16 and 18 respectively, is bent to form a box-like tongue 20 adapted to fit with groove 19.
  • the base of tongue 20 of each is provided with a sealant slot 21 adapted to receive a resilient sealing strip 22 which may be in the form of a hollow elastomer ring, a mastic or similar resilient or flowable sealant.
  • the sealant strip may take any of the forms shown in FIGS. 23 through 31 and 34 through 36, each of which will be discussed in more detail hereafter.
  • the two members 10 and 11 are assembled in spaced relation so that the bent side edges 15 and 16 and 17 and 18 are spaced apart and out of contact with one another and the area between the members is filled with foam or any insulating and/ or fireproof material.
  • Such insulated panels are assembled in a wall or roof by removing insulant from the gap between the side edges to form a well and inserting a screw fastener 23 or other suitable fastener through one member such as 10 in to a girt or purlin 24 as the case may be.
  • the next panel is joined by forcing the tongues 20 into grooves 19 of the two panels and fastening the new panel with screws 23 or other suitable fastener in the same manner as the first assembled panel as shown in FIG. 2 with the sealant 22 in place in slot 21.
  • a structural panel comprising a pair of spaced apart panel members, each of said panel members being in the form of a continuous sheet of material of substantially uniform thickness formed providing an outer face adapted to form an exposed wall surface and an inner opposite surface, opposite first and second side edges and opposite first and second end edges, said first side edge being bent downwardly forming a face transverse to the outer face, then inwardly parallel to said outer face, downwardly transverse to the face and outwardly parallel to said outer face forming a groove-like recess spaced from both the outer face and inner surface and extending the length of the panel, the second side edge being bent downwardly forming a face transverse to the outer face and parallel to the first side edge face, outwardly parallel to the outer face, down wardly transverse to the outer face and then inwardly parallel to the outer face forming a tongue spaced from the outer face and adapted to fit within the groovelike recess of the first edge and said end edges being adapted for abutting relationship, said panel members having their inner surfaces toward one another and the first
  • a structural panel as claimed in claim 1 wherein the insulant is a foamed insulant.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Finishing Walls (AREA)
  • Building Environments (AREA)

Abstract

A structural panel forming member and a panel are provided; the panel forming member is made up of a continuous sheet of material of uniform thickness having an outer face forming an exposed wall surface and an opposite inner surface, opposite first and second side edges and opposite first and second end edges, said first side edge being bent to form a groove-like recess spaced from the outer face, the second side edge being bent to form a tongue spaced form the outer face and adapted to fit within the groove-like recess; the panel is formed by a pair of spaced apart panel forming members with an insulant therebetween.

Description

W EYEGEARS?" 3,535,844
STRUCTURAL PANELS Filed July 15, 1968 a "WivENToR Emanuel Michael Gluros M AZ/ZMAn &
United States Patent US. Cl. 52595 Claims ABSTRACT OF THE DISCLOSURE A structural panel forming member and a panel are provided; the panel forming member is made up of a continuous sheet of material of uniform thickness having an outer face forming an exposed wall surface and an opposite inner surface, opposite first and second side edges and opposite first and second end edges, said first side edge being bent to form a groove-like recess spaced from the outer face, the second side edge being bent to form a tongue spaced from the outer face and adapted to fit within the groovelike recess; the panel is formed by a pair of spaced apart panel forming members with an insulant therebetween.
This invention is a continuation-in-part of my copending application Ser. No. 425,544, filed J an. 14, 1965, now abandoned.
This invention relates to structural panels and particularly to composite laminate insulated structural panels having inner and outer surfaces or skins, at least the outer one of which is inter-connected by side and end laps and to the novel skin sheets used in forming such laminates or as structural panels in their own right.
In the building and similar trades there has long been a need for a structural panel having a satisfactory weatherproof joint with the next adjacent panel and preferably including spaced apart panels having an insulant therebetween. The common practice in assembling metal panel buildings is to erect the girts and purlins forming the framework of the building and then to first fasten an inner sheet to the assembled girts and purlins, then to fasten an insulation sheet to the inner sheet and finally to fasten an outer sheet through the insulation to the inner sheet and the girts and purlins of the frame. This practice is expensive and time-consuming involving three times as much time and effort as installing a single sheet to the girts and purlins of a building.
I have invented a structural panel which eliminates the problems of prior art three step practices described above and which makes it possible to install a superior panel wall or roof in a single step while providing improved weather sealing and insulating effectiveness. In a preferred embodiment of my invention, I provide a panel forming member and a composite structural panel formed of two such panel forming members and a formed in situ foamed insulant which is self-adhered to the panel forming sheets to form a unitary composite structure. Alternatively, I may place cement asbestos, fiberglass or any other insulating and/ or fireproof material within the area between said sheets.
Preferably, I provide a panel forming member comprising a continuous sheet of material of substantially uniform thickness formed to provide an outer face adapted to form an exposed wall surface and an inner opposite face, opposite first and second side edges and opposite first and second end edges, said first side edge being bent to form a groove-like recess spaced from the outer face and extending the length of the panel, the second side edge being bent to form a tongue spaced from the outer face and adapted to fit within the groove-like recess of the first edge. Preferably, an insulated panel is formed by spacing two much members apart with the inner faces toward one another and the first side edge of one adjacent the second side edge of the other to form a box-like configuration into which an insulant is formed in situ between and adhering to the inner faces of the two panel forming members. Preferably, the two members are spaced so the first end edge of each extends beyond the insulant to form an overlapping edge for as sembly of panels end to end. Preferably at least one of the tongue and the groove is provided with a sealant slot extending its full length into which a resilient sealant is placed during assembly of adjacent side-by-side members or panels as the case may be. The members used in forming an insulated panel are preferably spaced apart at the side edges so as to eliminate any continuous contact between the two and thereby prevent heat exchange from one to the other and providing an area for insertion of a fastener which forms a blind fastener to the exterior face. Preferably the insulant is urethane foam formed in situ between the inner and outer sheets.
In the foregoing general description I have set out certain objects, purposes and advantages of my invention. Other objects, purposes and advantages of my invention will be apparent from a consideration of the following description and the accompanying drawings in which:
FIG. 1 is a fragmentary isometric view of a panel according to my invention;
FIG. 2 is a fragmentary section of a joint between two adjacent panels according to FIG. 1 showing the fastening to a building girt;
FIG. 3 is a section broken away of three adjacent panel fragments and their respective positions for joining;
I have illustrated in the foregoing drawings various embodiments of panels according to my invention which I shall hereafter describe in detail.
In FIGS. 1 through 3 I have illustrated a preferred embodiment of my invention in which two panel forming members 10 and 11 are spaced apart by a foamed in situ urethane foam insultant 12. The two panel forming members 10 and 11 have outer faces of different configurations, that of 10 'being perfectly fiat and planar, while that of 11 is generally planar but has a central valley or trough portion 14 for decorative as well as utilitarian drainage effect. While I have illustrated an outer skin having a trough it will be obvious that the skin may be flat or have any other configuration and that the inner and outer skins may be identical.
The side edges 15 and 16 of member 10 and 17 and 1.8 of member 11 are of like configurations. One side edge of each, 15 and 17 respectively, is bent to form a groove 19. The second side edge of each, 16 and 18 respectively, is bent to form a box-like tongue 20 adapted to fit with groove 19. The base of tongue 20 of each is provided with a sealant slot 21 adapted to receive a resilient sealing strip 22 which may be in the form of a hollow elastomer ring, a mastic or similar resilient or flowable sealant. Alternatively the sealant strip may take any of the forms shown in FIGS. 23 through 31 and 34 through 36, each of which will be discussed in more detail hereafter.
The two members 10 and 11 are assembled in spaced relation so that the bent side edges 15 and 16 and 17 and 18 are spaced apart and out of contact with one another and the area between the members is filled with foam or any insulating and/ or fireproof material. Such insulated panels are assembled in a wall or roof by removing insulant from the gap between the side edges to form a well and inserting a screw fastener 23 or other suitable fastener through one member such as 10 in to a girt or purlin 24 as the case may be. The next panel is joined by forcing the tongues 20 into grooves 19 of the two panels and fastening the new panel with screws 23 or other suitable fastener in the same manner as the first assembled panel as shown in FIG. 2 with the sealant 22 in place in slot 21.
While I have illustrated and described certain preferred embodiments of my invention in the foregoing specification, it will be understood that this invention may be otherwise embodied within the scope of the following claims.
I claim:
1. A structural panel comprising a pair of spaced apart panel members, each of said panel members being in the form of a continuous sheet of material of substantially uniform thickness formed providing an outer face adapted to form an exposed wall surface and an inner opposite surface, opposite first and second side edges and opposite first and second end edges, said first side edge being bent downwardly forming a face transverse to the outer face, then inwardly parallel to said outer face, downwardly transverse to the face and outwardly parallel to said outer face forming a groove-like recess spaced from both the outer face and inner surface and extending the length of the panel, the second side edge being bent downwardly forming a face transverse to the outer face and parallel to the first side edge face, outwardly parallel to the outer face, down wardly transverse to the outer face and then inwardly parallel to the outer face forming a tongue spaced from the outer face and adapted to fit within the groovelike recess of the first edge and said end edges being adapted for abutting relationship, said panel members having their inner surfaces toward one another and the first side edge of one adjacent the said second side edge of the other forming a box like configuration containing an insultant between and adhering securely to the inner faces of the two panel forming members.
2. A structural panel as claimed in claim 1 wherein the tongue of one panel member is spaced from the groove of the other panel member forming an off set portion and fastening means are inserted between the spaced first and second side edges passing through said offset portion.
3. A structural panel as claimed in claim 1 wherein the insulant is a foamed insulant.
4. A structural panel as claimed in claim 1 wherein the tongue is provided with a sealant slot.
5. A structural panel as claimed in claim 4 wherein the slot is filled with a resilient member.
References Cited UNITED STATES PATENTS 738,627 9/1903 Playford 52363 1,853,803 4/1932 Dreisel 5228'4 2,142,305 1/1939 Davis 52589 2,211,644 8/1940 Buck et al. 52-619 2,438,099 3/1948 Whitehouse 52478 2,808,624 10/1957 Sullivan 52403 2,862,254 12/1958 Meek 52403 2,912,725 11/1959 Ries 52619 3,320,708 5/1967 Bard 52478 3,357,146 12/1967 Gartrell 52--309 3,397,496 8/1968 Sohns 52309 FOREIGN PATENTS 1,395,872 3/1965 France.
430,131 8/1967 Switzerland.
FRANK L. ABBOTT, Primary Examiner J. R. RIDGILL, 1a., Assistant Examiner US. Cl. X.R. 526 19, 309
US744901A 1969-10-30 1968-07-15 Structural panels Expired - Lifetime US3535844A (en)

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US88007169A 1969-10-30 1969-10-30

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Cited By (139)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667180A (en) * 1970-11-03 1972-06-06 Robertson Co H H Fastening means for double-skin foam core building construction panel
US3777430A (en) * 1972-08-30 1973-12-11 Robertson Co H H Complementary mating elements for double-skin foam core panel
US3797190A (en) * 1972-08-10 1974-03-19 Smith E Division Cyclops Corp Prefabricated, insulated, metal wall panel
US3849959A (en) * 1972-11-14 1974-11-26 Robertson Co H H Building panel and laterally adjustable joint produced thereby
US3854261A (en) * 1971-12-09 1974-12-17 Pieren Ag Hermann Shell for apparatuses working in sound-absorbing, heat insulating or airtight conditions
US4003613A (en) * 1976-03-17 1977-01-18 Whirlpool Corporation Appliance control console structure
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DE2065803A1 (en) 1976-04-08
DE2030744A1 (en) 1971-05-13
JPS5428210B1 (en) 1979-09-14
FR2065587B1 (en) 1974-09-06
FR2065587A1 (en) 1971-07-30
CA1039919A (en) 1978-10-10

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