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Publication numberUS3714747 A
Publication typeGrant
Publication dateFeb 6, 1973
Filing dateAug 23, 1971
Priority dateAug 23, 1971
Publication numberUS 3714747 A, US 3714747A, US-A-3714747, US3714747 A, US3714747A
InventorsB Curran
Original AssigneeRobertson Co H H
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Fastening means for double-skin foam core building panel
US 3714747 A
Abstract  available in
Images(2)
Previous page
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Claims  available in
Description  (OCR text may contain errors)

Feb. 6, 1973 CURRAN 3,714,741

FASTENING MEANS FOR DOUBLE-SKIN FOAM CORE BUILDING PANEL Filed Aug. 23. 1971 2 Sheets-Sheet 1 FIG.5

INVENTOR. BERNARD E. CURRAN BY/Q/ AmNE? Feb. 6, 1973 B. E. CURRAN 3,714,747

FASTENING MEANS FOR DQUBLE-SKIN FOAM CORE BUILDING PANEL Filed Aug. 23. 1971 2 Sheets-Sheet 2 FIG.6 Fl

O IFIII I \\\\l INVENTOR BERNARD E. CURRAN /Ql w K NEY United States Patent O 3,714,747 FASTENING MEANS FOR DOUBLE-SKIN FOAM CORE BUILDING PANEL Bernard E. Curran, Sewickley, Pa., assignor to H. H. Robertson Company, Pittsburgh, Pa. Filed Aug. 23, 1971, Ser. No. 174,105 Int. Cl. E04c 1/10, 2/20 US. Cl. 52-309 6 Claims ABSTRACT OF THE DISCLOSURE A double-skin foam core building panel presenting an inboard side segment along one side and an outboard side segment along its opposite side-the side segments being adapted to be assembled in lapped interfitted relation without externally visible fasteners. Hidden fastening means in the form of a clip and fastener is provided for securing the inboard side segment of the panel to the subgirt of a structural framework.

BACKGROUND OF THE INVENTION (1) Field of the invention-This invention relates to double-skin foam core building panels, more particularly to fastening means for securing the panels to the structural framework of a building.

(2) Description of the prior art.Double-skin insulated building panels are well known in the prior art for use in the construction of buildings, see US. Pat. 2,047,154 (C. J. 'Pimsner, July 7, 1936); 2,284,229 (G. V. Palmer, May 28, 1942); 3,062,337 (J. H. Zittle, Nov. 6, 1962); 3,367,076 (P. S. OBrien, Feb. 6, 1968). Such double-skin insulated panels have utilized thermal-insulation materials such as glass fiber batts, lightweight foamed plastic blocks and the like to maintain the inner and outer facing sheets in spacedapart relation. When building panels with spaced-apart facing sheets are applied to a building framework, some fastening means is provided to secure the panel to the structural framework.

The fastening means may be entirely hidden from external view, see US. Pat. 3,372,520 (E. E. Hensel, Mar. 12, 1968). The fastening means may be partly hidden from external view and partly visible, see US. Pat. 3,290,845 (M. K. Snyder, Dec. 13, 1966). The fastening means may be entirely exposed to view, see US. Pats. 3,399,503 (H. J. W. Payne et al., Sept. 3, 1968); 3,466,831 (W. F. Lenoir, Sept. 16, 1969).

The hidden fastening means of Hensel secures only the inner facing sheet to the structural steel. Hensel resorts to a separate channel for positively connecting one edge of the outer facing sheet to the corresponding edge of the inner facing sheet. The Snyder, Payne et al. and Lenoir arrangements provide securement of the outer and inner facing sheets to the structural steel but at the expense of exposed fasteners.

SUMMARY OF THE INVENTION The principal object of this invention is to provide improved fastening means for securing the overlapped edge of a double-skin foam core building panel to a subgirt of a. building framework.

Another object of this invention is to provide improved fastening means by which the outer facing sheet is positively connected to the inner facing sheet, whereby retention of the outer facing sheet is not entirely independent upon auto-adhesive bond between the outer facing sheet and the foam core.

A further object of this invention is to provide improved fastening means by which the inner facing sheet is positive- Patented Feb. 6, 1973 ly secured to the subgirt while the outer facing sheet is positively connected to the inner facing sheet.

The present fastening means is adapted for use with double-skin foam core building panels of the type presenting an inboard side segment along one side adapted for engagement with the structural steel and an inboard side segment along its opposite side. When assembled, adjacent panels are presented in side-by-side, overlapped interfitted relation.

In accordance with the present invention, the inboard side segment of the panel comprises outer and inner longitudinally extending facing sheet portions separated by a foam core. The outer facing sheet portion is provided with an opening. A recess is provided in the foam core beneath the opening. The present fastening means comprises a clip presented in the recess. The clip includes oppositely extending flanges engaged with the exterior face of the outer facing sheet portion and inwardly extending legs engaged with the interior face of the inboard facing sheet portion. Fastening means extending through the clip, secures the inboard side segment of the panel to the structural steel.

The inboard and outboard tfacing sheet portions may comprise segments of the spaced-apart facing sheets. In this instance, the clip and fastener means positively secure the inner facing sheet to the subgirt while the oppositely extending flanges which overlie the outer facing sheet segment, positively connect the outer facing sheet to the inner facing sheet.

Alternatively, the inboard and outboard facing sheet portions may comprise confronting segments of the inner facing sheet. In this instance, the clip and (fastener means positively secure only the inner facing sheet to the structural steel.

In each instance, the clip and fastener are recessed and do not interfere with the erection of an adjacent panel in side-by-side, overlapped, interfitted relation with the previously erected panel.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a broken, cross-sectional, isometric view in exploded form, illustrating a building construction panel and the fastening means of this invention;

FIG. 2 is a fragmentary, cross-sectional, isometric view of an inboard side segment of the panel of FIG. 1, further illustrating the opening and recess provided therein;

FIG. 3 is an isometric view of a clip associated with the present fastening means;

FIG. 4 is an isometric view illustrating an alternative embodiment of the present clip;

FIG. 5 is a bottom view of a clip of FIG. 4;

FIG. 6 is a fragmentary cross-sectional view illustrating a joint between adjacent ones of the building panels of FIG. 1;

FIG. 7 is a cross-sectional view taken along the line 7-7 of FIG. 6;

FIG. 8 is a fragmentary, broken, cross-sectional, isometric view illustrating the use of the panel of FIG. 1 in an inverted position; and

FIG. 9 is a cross-sectional view, illustrating a joint between adjacent ones of the building panels of FIG. 8.

DESCRIPTION OF THE PREFERRED EMBODIMENT(S) FIG. 1 illustrates a building panel 10 comprising spacedapart facing sheets 11, 12 and a foamed plastics core 13 disposed therebetween. The building panel 10 may be erected such that the facing sheet 11 comprises the outer facing sheet and the facing sheet 12 comprises the inner facing sheet.

The panel 10 presents an inboard segment 14 and a tongue 15 at a first panel side 16; and an outboard segment 17 and a recess 18 at the opposite or second panel side 19. As shown in FIG. 6, the overall arrangement is such that a joint 20 is formed between adjacent panels 10A, 10B wherein the tongue 15A is received in the recess 18B and wherein the outboard segment 17B overlaps the inboard segment 14A. The inboard segment 14 ('FIG. 1) comprises outer and inner [facing sheet portions 21, 22 of the facing sheets 11, 12 respectively which are separated by the foam core 13.

In accordance with the present invention, fastening means 23 are provided comprising a clip 24 and fastener means, such as a self-tapping screw 25. The clip 24 is received through an opening 26 provided in the outer facing sheet portion 21 and a recess 27 provided in the foam core 13, see also FIG. 2. The opening 26 and the recess 27 may be formed in the field by a punching operation utilizing a suitably pointed tool (not illustrated). In the preferred arrangement, a pair of spacedapart depressions 28 are provided at the periphery of the opening 26 for a purpose hereinafter to be described.

The clip 24 (FIG. 3) is formed from a single piece of light gauge sheet metal. When formed, the clip 24 includes a rectangular web 29 having a central aperture 30 adapted to receive the threaded shank 31 (FIG. 1) of the fastener 25. The web 29 presents opposed sides 32 and opposed ends 33. A pair of substantially parallel upturned legs 34 extend from the opposed sides 32 of the web 29. Each of the upturned legs 34 terminate m outward flanges 35. A pair of substantially parallel downturned flanges 36 extend from the opposed ends 33 of the web 29.

The present clip may take the form illustrated in FIGS. 4 and wherein the clip is identified by the numeral 24'. In this embodiment, each of the legs 36 presents re-entrant flanges 36a extending inwardly beneath the web 29.

Referring to FIGS. 6 and 7, the clip 24 is received through the opening 26 and the recess 27. The legs 36 are pressed into the foam core 13 until the edges 37 thereof (FIG. 6) engage the interior face 38 of the inner facing sheet 12A. In this position, the oppositely extending flanges 35 (FIG. 7) engage the depressions 28A thereby to positively connect the outer facing sheet 11A to the inner facing sheet 12A. When installed, the fastener 25 extends through the central aperture 30, the foam core 13, the inner facing sheet 12a and as threadedly engaged with a subgirt 39-the subgirt 39 constituting an element of the structural framework of a building (not illustrated). The fastener 25 positively secures the inner facing sheet 12A to the subgirt 39.

It will be observed in FIG. 7 that the clip 24 is disposed substantially entirely between the outer face 40 of the outboard facing sheet portion 21A and the interior face 38 of the inboard facing sheet portion 28A. The arrangement is such that the clip 24 and the fastener 25 are recessed and do not interfere with the installation of the adjacent panel B.

FIG. 8 illustrates a building panel 52 which comprises the panel 10 of FIG. 1 reversed. In this presentation, the facing sheet 12 comprises the outer facing sheet whereas the facing sheet 11 comprises the inner facing sheet. The panel 52 of FIG. 8 presents an inboard segment 41 and a groove 42 along a first panel side 43; and an outboard segment 44 including a tongue 45 at the opposite or second panel side 46. The inboard segment 41 presents adjoining outer and inner longitudinally extending facing sheet portions 47, 48 respectively.

In this embodiment, an opening 49 is provided in the outer facing sheet portion 47 and a recess 50 is provided in the foam core 13 directly beneath the opening 49. Spaced-apart depressions 51 provided in the outer facing sheet portion 47 at the periphery of the opening 49.

It will be observed in FIG. 9' that the present fastening means 23' is received in the opening 49 and recess 50 of the panel 10C, in the manner herein before described. In this arrangement, the fastening means 23' serves to secure the inner facing sheet 11C to the subgirt 39. The fastening means 23' does not interfere with the installation of the adjacent panel 10D.

I claim:

1. In a joint between a pair of building construction panels erected in side-by-side relation to the structural steel of a building framework, each of said building panels comprising spaced-apart facing sheets and a foamed plastics core disposed therebetween, one of said panels presenting an inboard side segment engaged with said structural steel, and the other of said panels presenting an outboard side segment disposed in overlapped relation with said inboard side segment, the improvement comprising:

said inboard side segment comprising outer and inner facing sheet portions extending longitudinally of said panel and separated by said foamed plastics case;

said outer facing sheet portion having an opena recess in said core adjacent to said opening;

a clip presented in said recess and including oppositely extending flanges engaged with the exterior face of said outer facing sheet portion and inwardly extending legs engaged with the interior face of said inboard facing sheet portion; and

fastener means extending through said clip for securing said inboard side segment to said structural steel.

2. The improvement defined in claim 1 wherein said outer and inner facing sheet portions comprise segments of said spaced-apart facing sheets.

3. The improvement defined in claim 1 wherein said outer and inner facing sheet portions comprise segments of said inner facing sheet.

4. The improvement defined in claim 1 wherein said clip is disposed substantially entirely between the outer face of said outer facing sheet portion and the interior face of said inner facing sheet portion.

5. The improvement defined in claim 1 wherein said outer facing sheet portion includes depressions at the periphery of said opening which are engaged by said oppositely extending flanges of said clip.

6. The improvement defined in claim 1 wherein said fastener means extends through said clip and between; said legs.

References Cited UNITED STATES PATENTS 3,535,844 10/1970 Glaros 52-595 3,667,180 6/1972 Tischuk 52-483 X PRICE C. FAW, 1a., Primary Examiner US. Cl. X.R. 52-483, 595

Referenced by
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Classifications
U.S. Classification52/309.2, 52/592.4, 52/489.1, 52/309.9
International ClassificationE04B2/56, E04F13/08
Cooperative ClassificationE04B2/56, E04F13/0837
European ClassificationE04F13/08B3A2B, E04B2/56
Legal Events
DateCodeEventDescription
Nov 9, 1990ASAssignment
Owner name: H. H. ROBERTSON, A CORP. OF DELAWARE, PENNSYLVANIA
Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:MARYLAND NATIONAL BANK;REEL/FRAME:005518/0120
Effective date: 19901107
Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:FIRST CITY SECURITIES INC.;REEL/FRAME:005518/0137
Effective date: 19901106
Oct 18, 1989ASAssignment
Owner name: FIRST CITY SECURITIES INC., 499 PARK AVE., NEW YOR
Free format text: SECURITY INTEREST;ASSIGNOR:H. H. ROBERTSON COMPANY;REEL/FRAME:005261/0098
Effective date: 19891013