US3062337A - Insulated curtain wall structure - Google Patents

Insulated curtain wall structure Download PDF

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US3062337A
US3062337A US770739A US77073958A US3062337A US 3062337 A US3062337 A US 3062337A US 770739 A US770739 A US 770739A US 77073958 A US77073958 A US 77073958A US 3062337 A US3062337 A US 3062337A
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metallic
sections
side
partition
wall structure
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US770739A
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John H Zittle
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Howe Sound Co
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Howe Sound Co
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26Building 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
    • E04C2/284Building 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
    • E04C2/292Building 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 sheet metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection . Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/17Three or more coplanar interfitted sections with securing means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/18Longitudinally sectional layer of three or more sections

Description

Nov. 6, 1962 J. H, zlTTLE INSULATEU CURTAIN WALL STRUCTURE 2 Sheets-Sheet l Filed OCT.. 30, 1958 Nov. 6, 1962 J. H. zlTTLE 3,062,337

INSULATED CURTAIN WALL STRUCTURE Filed Oct. 30, 1958 2 Sheets-Sheet 2 Y" Ln N fg. -E'H P4 Il Q q, INVENTOR BY ENLA/ ATTORNEY V43,062,337 Patented Nov. 6, 1962 3,062,337 INSULATED CURTAIN WALL STRUCTURE John H. Zittle, Mountville, Pa., assignor to Howe Sound Company, Lancaster, Pa., a corporation of Delaware Filed Oct. 30, 1958, Ser. No. 770,739 '7 Claims. (Cl. 189-34) My invention relates broadly to building construction and more particularly to a curtain wall panel assembly having high thermal insulation properties.

One of the objects of my invention is to provide a construction of sandwich wall or curtain wall structure embodying metallic partition sheeting fabricated in sections with sound deadening and heat insulation material between the metallic sheets in combinationwith means preventing heat conduction between the partition sheets.

Another object of my invention is to provide a partition wall structure formed from metallic sheetin-g spaced from each other by poly-urethane foam using the urethane as the bonding agent for bonding the inner and outer surfaces of the metallic sheeting, in combination with interior ribs extending from one metallic sheet at one side of the partition toward the other metallic sheet at the other side of the partition with neoprene or vinyl spacers so interposed between the ribs and the coacting metallic sheet that direct heat conduction therethrough is prevented.

A still further object of my invention is to provide a construction of metallic partition material having both sound deadening and heat insulation properties in which special forms of heat insulation couplings are provided between coacting ends of adjacent sections of the wall structure for reducing heat conduction through the wall.

Other and further objects of my invention reside in a practical mass-produced metallic wall structure employing neoprene or vinyl spacers and couplings between parts of the wall structure for reducing heat transfer through the wall sections to eliminate transmission of heat or cold otherwise resulting from metal to metal contact as set forth more fully in the specification hereinafter following by reference to the accompanying drawings in which:

FIGURE 1 is a transverse horizontal view through a wall structure embodying my invention;

FIG. 2 is an enlarged and foreshortened transverse section of the wall structure shown in FIG. 1 and showing particularly the insulation means employed in the wall structure, the insulation means being illustrated in section;

FIG. 3 is a fragmentary sectional View taken on line 3 3 of FIG. 2;

l FIG. 4 is a fragmentary sectional view taken on line 4 4 of FIG. 2;

FIG. 5 is a fragmentary cross sectional view taken on line 5 5 of FIG. 2;

FIG. 6 is a fragmentary longitudinal sectional view taken on line 6-6 of FIG. 2;

FIG. 7 is a transverse sectional view on line 7 7 of FIG. 2;

. FIG. 8 is a fragmentary perspective view of the wall structure of my invention partially in cut-away section and particularly showing the application and positioning of the different insulator spacer members;

FIG. 9 is a foreshortened elevational view of one of the coupling insulators used in the structure of my invention;

FIG. l0 is a transverse sectional View on line 10 10 of FIG. 9;

FIG. 1l is a foreshortened sectional view on line 11-11 of FIG. l0;

FIG. l2 is an enlarged cross sectional view through one of the rib insulators used in the structure of my invention taken on line 12 12 of FIG. 14;

FIG. 13 is a cross sectional view on line 13 13 of FIG. 12;

FIG. 14 is an elevational View of one of the rib insulators used in the structure of my invention looking at one side thereof;

FIG. 15 is a foreshortened side elevational view of one of the end insulator members used in the structure of my invention;

FIG. 16 is a foreshortened transverse sectional view taken on line 16-16 of FIG. 15 g and FIG. 17 is a vertical sectional View taken on line 17-17 of FIG. 15.

My invention is directed to a construction of a sandwich wall or curtain wall structure consisting of spaced metallic sheet material with the space therebetween filled with poly-urethane foam, using the urethane as the bonding agent for bonding the opposite metallic surfaces. The poly-urethane serves as sound deadening and insulation material, and the outer sides of opposed metallic sheets form the opposite surfaces of the partition. The opposed sheets are insulated from each other with respect to direct conduction of heat from one metallic surface to the other by means of neoprene or vinyl spacers which are clamped over the edges of the side portions of one metallic sheet and form abutment stops with respect to the interior surface of the adjacent coacting metallic sheet. These neoprene or vinyl spacers serve in two ways: l) to eliminate any transmission of cold via metal to metal contact and (2) to allow the poly-urethane foam to completely insulate the space between the interior surface of one metallic sheet and the interior surface of the coacting metallic sheet. I also provide a coupling member formed from neoprene or vinyl material disposed between overlapping surfaces of the metallic sheets at one side of the partition for establishing a heat and moisture seal between the aligned metallic sheets forming one side of the wall structure.

Referring to the drawings in more detail, reference character 1 designates one side of the sandwich wall unit of my invention while reference character 2 designates the coacting metallic sheet forming the other side of the sandwich wall unit. I have found that these metallic sheets may be pressed or rolled from aluminum sheet material, the metallic sheet which is formed in the shape of a trough or pan hav-ing side portions 3 and 4 extending substantially normal thereto. In each of these side portions I provide a longitudinally extending outstruck rib of V- shaped contour represented at 5 and 6, each extending in the same direction with respect to the side portions 3 and 4 coacting with similarly formed ribs such as rib 7 in the adjacent metallic section 8 and rib 9 in adjacent metallic section 10. The side portions 3 and 4 of the section 1 establish surface to surface ycontact relationship with the side portions 11 and 12 of adjacent sections 8 and 10 of the partition structure. Side portions 4 and 12 extend beyond the inter-lock provided by the V-shaped ribs 6 and 9 where side portion 4 is folded over upon itself as represented at 14, providing a groove into which the edge of side portion 12 extends as a tongue. This folded connection serves as a rib support for a multiplicity of neoprene or vinyl pins represented at 15. These pins include a spacer head 16 and 4a pair of gripping arms 17 and 18 shown more clearly in FIGS. l2-l4. The gripping arms 17 and 13 have sulicient resilience to enable the device to be clipped onto the folded-over edge 14 which interconnects sections 1 and lll with the head 16 projecting beyond the folded-over edge 14. The adjacent sections which do not include the folded-over edge couplet, such as sections 1 and 8 have their coacting end to end longitudinally extending sides 3 and 11 substantially face to face and providing a support for neoprene or vinyl continuous length end spacer members shown at 19 and illustrated in more detail in FIGS. -17. These spacers include a hookshaped extension at lone side thereof adapted to engage over the edge of one of the sides lof the `section such as side 3 as shown in FIG. 2 and extend along the entire sides of the section as indicated in FIGS. 6 and 7 to close both sides of the section and to act as stops for the poly-urethane foam. In FIG. 6 I have shown the manner of mounting the spacers 19 adjacent each other.

The space provided in each of the sections 1, u and 10, for example, is filled with the poly-urethane foam which I have indicated generally at 21 and which `conforms with the inner contour of the partition plate represented at 2. The partition plate 2 is formed in a hat section as represented more clearly in FIG. 8 that is rolled to provide a plurality of interconnecting .face sheets 22 and hat sections disposed therebetween as indicated at 23. The hat sections 23 are so proportioned that the end plates 3 and 11 and 4 and 12 of the adjacent sections 1, 3 and 10 are disposed intermediate the width of the hat sections in such manner that the spacer members 15 and 19 of insulation material form obstructions against the conduction or transmission of heat or cold from one metallic partition plate such as 1 to the coacting metallic partition plate such as 2. The insulation material 15 and 19 is disposed in series with the terminating ends of the side plates 3, 11, and 4, 12, and the interior sides of the hat sections 23 of the coacting partition plate 2. The gap represented at 24 maintained between the internal face of metallic partition plate 2 and the upper peripheral edges of the side plates 4 and 12 is also lilled with poly-urethane foam, Direct heat or cold conduction between partition plates 1 and 2 is obstructed by the spacer members 15 and 19.

The ends of the metallic plate 2 overlap with correspondingly shaped ends of adjacent metallic partition plates as represented at 25. The slight gap which remains between the overlapping portions of plates 2 and 25 is closed by a neoprene or vinyl insert represented at 26 in FIGS. 9-11. This insert includes a multiplicity of transversely extending spaced ribs 27, 28, 29, 30, 31 and 32 which project beyond the rear surface of the insert and establish a contact with the overlapping portion of a coacting partition plate represented in FIGS. l and 2, for example, at 25. The neoprene or vinyl insert 26 includes a flat face which extends in intimate contact with the internal surface of that portion 23 of partition plate 2 while the ribs 27-32 establish sealing contact with spaced partitions along the surface of the hat portion 2S of the adjacent partition plate. There are a multiplicity of spaced ribs 27-32 and all of these when compressed into intimate surface contact with the hat portion of the adjacent partition plate insure a tight seal between the hat portions 23 and 25 of the adjacent partition plates. The neoprene or vinyl insert 26 runs the full length of the panel thus acting as a vertical sealer or side lap sealer when lapping panels together. As indicated earlier` there is one neoprene insert sealer 26 on each iinished formed panel.

The insulation characteristics of the poly-urethane .foam material 21 acting in combination with the neoprene or vinyl spacers 15 and 19 and the coupling members of neoprene or vinyl 26 imposed between the overlapping portions 23 and 25 of the hat sections of end-to-end aligned partition plates insure a sandwich wall of curtain wall structure having very substantial obstruction to the conduction or transmission of heat or cold. Partition plates 1, 8 and 1i) and the coacting partition plate 2 have a minimum surface area in contact so that heat conduction or cold transmission between the opposite partition plates is maintained at a minimum. The gaps 24 and the positive obstruction to heat or cold transmission by the interposition of spacer members 15 and 19 between the opposite partition plates coact to `reduce heat or cold conduction or transmission between the opposite partition plates to an absolute minimum.

Referring to FIG. 8, a typical panel consists of five pans such as indicated by reference character 1 secured together by means previously set forth. Neoprene spacers 15 are installed, on the four intermediate legs. These spacers are positioned approximately twelve inches on centers, staggered from leg to leg as shown in FIG. 8 and are only approximately one inch in length. Continuous length end spacer members 19 are used to seal the sides of the panel between the top partition plate containing the hat sections and the sides of the end pans. After assembling this pan with two continuous length spacers 19 and the staggered center spacers 15 the top partition plate or face sheet is placed on top, sitting iirmly on the neoprene spacers. The lfoaming action 4if then commenced and the poly-urethane or rigithane foam is allowed to fill the interior of the assembled panel, passing between the small spacers 15 and thus filling the void. The continuous length spacers 19 prevent the foam from running out the side of the panel. The ends of the panels are not sealed, but foam stop ends fastened to the conveyor on which the panels are filled are automatically removed after the panel has been completed and the foaming process has stopped.

While I have described my invention in certain of its preferred embodiments I realize that modifications may be made and desire that it be understood that no limitations upon my invention are intended other than may be imposed by the scope of the appended claims.

What I claim as new land desire to secure by Letters Patent of the United States, is as follows:

1. In a building construction, a multiplicity of panlike metallic members having flat plane surfaces extending in coplanar relation, side portions coextensive with said plane front surfaces, said side portions being aligned sideby-side, with the side of one pan-like member provided with a plane surface and an outstruck projection in said last mentioned plane surface substantially offset from the flat plane surface of said pan-like metallic members and fitting into a complementary instruck recess in the plane surface of the side of the adjacent pan-like member, a metallic sheet having a surface extending in generally parallel spaced relation to the plane surface of said panlike metallic member and in a plane normal to the planes of said side members, insulation members constructed of a thermal-insulation material carried by said side members and projecting into abutment with the internal surface of said metallic sheet and spacing the terminating edges of said side members away from the internal surface of said metallic sheet, and a composition of a thermal insulation material bonded to the internal surfaces of said pan-like metallic member and establishing Ya bond with the internal surface of said metallic sheet, the mechanical connections between said metallic members and said metallic sheet within the space enclosed thereby being comprised solely of the materials of said insulation members and of said composition.

2. A building construction as set forth in claim l in which said metallic sheet is provided with a multiplicity of spaced trough-like portions directed toward the interior of said pan-like metallic members with intermediate portions having plane areas coplanar with each other and extending in a plane normal to the planes of said side portions and wherein the insulation members carried by said side portions and projecting into abutment with the internal surface of the intermediate portions of said trough-like portions of said metallic sheet are lineal strips that establish a lineal contact with the internal surface of said trough-like portions of said metallic sheet 3. A partition structure for building comprising a plurality of intertted pan-like sections having the exterior plane surfaces thereof disposed in coplanar relation and defining one side of a partition, said pan-like sections having interfitted side portions projecting substantially normal to the plane of the faces of said pan-like sections, a filler of material resistant to thermo-conduction disposed in said pan-like sections and adhesively connected with the interior plane surface of each of said sections, a metallic cover sheet disposed in spaced relation to the interior plane faces of said sections and extending over said filler and over the terminating edges of said side portions and thermal-insulation members carried by the side portions of said pan-like sections and projecting toward the internal surface of said cover sheet comprising abutments spacing the internal surface of said cover sheet from the terminating edges of said side portions and constructed of a material resisting thermo-conduction between said pan-like sections and said cover sheet, and a bondage connection between said filler and the internal surface of said cover sheet, the mechanical connections between said pan-like sections and said cover sheet within the space enclosed thereby being comprised solely of the materials of said filler and of said thermal-insulation members.

4. A partition structure for building as set forth in claim 3 in which said thermal-insulation members are blocks of thermal-insulation material bifurcated on one end and having an abutment head on the other end, the bifurcation in said blocks engaging over the terminating edges of the side portions of said pan-like sections and the said abutment head establishing abutting contact with the internal surface of said cover sheet.

5. A partition structure for buildings as set forth in claim 3 in which said thermal-insulation members contain a recess at one side thereof for enveloping the adjacent terminating edges of the side portion of adjacent pan-like sections.

6. A partition structure for buildings as set forth in claim 3 in which said metallic cover sheet is provided with a plurality of inwardly directed recesses spaced by plane portions and wherein the internal surfaces of said plane portions establish contact with said thermal-insulation members and wherein the recesses in said cover sheet extend in spaced relation to the interior surfaces of said pan-like sections with said iiller of insulation material disposed intermediate the recesses and plane portions of said cover sheet and the interior surfaces of said panlike sections.

7. A partition structure for buildings as set forth in claim 3 in which said metallic cover sheet is divided into a multiplicity of separate sections with the adjacent ends thereof overlapping each other and a multiple ribbed strip of thermal-insulation material interposed between the overlapping ends of the separate sections of said cover sheet.

References Cited in the tile of this patent UNITED STATES PATENTS 484,413 Espitallier Oct. 18, 1892 1,988,115 Elphinstone Ian. 15, 1935 2,116,012() Gauvin May 3, 1938 2,180,317 Davis Nov. 14, 1939 2,585,082 Bollinger Feb. 12, 1952 2,605,788 Dieterich Aug. 12, 1952 2,696,281 Hedgren et al. Dee. 7, 1954 2,728,702 Simon et al Dec. 27, 1955 2,738,094 Fowler Mar. 13, 1956 2,874,652 Wilson Feb. 24, 1959 2,912,725 Ries Nov. 17, 1959

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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242625A (en) * 1963-01-16 1966-03-29 Pullman Inc Spacer for insulated wall structure
US3303619A (en) * 1962-12-21 1967-02-14 R C Mahon Company Industrial oven wall construction
US3399503A (en) * 1966-04-16 1968-09-03 Robertson Co H H Building sheathing elements
US3455070A (en) * 1966-12-05 1969-07-15 Allmanna Stalelement Ab Roofing panel with interlocking edges
US3457629A (en) * 1962-12-21 1969-07-29 Mahon Co R C Method of forming an industrial oven wall construction
US3511007A (en) * 1964-03-05 1970-05-12 Henry N Babcock Structural systems employing foaming-in-place
US3525661A (en) * 1965-06-28 1970-08-25 Conch Int Methane Ltd Thermal insulation structures
JPS48106919U (en) * 1972-03-13 1973-12-11
JPS48106918U (en) * 1972-03-13 1973-12-11
US3858373A (en) * 1972-12-11 1975-01-07 Textron Inc Metal roof clips
US3889437A (en) * 1972-12-11 1975-06-17 Textron Inc Metal roof
JPS5076628U (en) * 1973-11-16 1975-07-03
US4494348A (en) * 1981-12-15 1985-01-22 Kastelic Rudolph F Pre-engineered modular building panel assembly
US4501101A (en) * 1982-11-04 1985-02-26 Combined America Industries, Inc. Fire rated component wall system
US4505082A (en) * 1982-02-10 1985-03-19 Peter Schmitz Structural panel
US4577445A (en) * 1984-08-28 1986-03-25 Ecometal Limited Insulation panel assembly for use in the roofing and/or the cladding of walls of buildings
WO1995018897A1 (en) * 1994-01-07 1995-07-13 Hendrik Willem Bennenk Cantilevered roof construction
US5632126A (en) * 1995-03-22 1997-05-27 Agsten; Carl F. Wall system involving corrugated panels for making confinement cells
US5842315A (en) * 1997-03-24 1998-12-01 Tung Yik Trading Co., Ltd. Corrugated board structure
US20050086890A1 (en) * 2003-10-24 2005-04-28 Verkamp Mark J. Re-roofing method and apparatus
US20080168728A1 (en) * 2007-01-17 2008-07-17 Edward Scherrer Wall system
USD667963S1 (en) 2011-03-31 2012-09-25 Firestone Building Products Company, Llc Wall panel
USD668357S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
USD668354S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
USD668353S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
USD668356S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
US8596027B2 (en) 2010-10-27 2013-12-03 Richard W. Roberts, JR. Packaging component, method of use, and method of manufacture
US8635824B2 (en) 2007-01-17 2014-01-28 Edward G. Scherrer Insulation panel system
US8708177B2 (en) 2012-03-29 2014-04-29 Richard W. Roberts In-situ foam core dielectrically-resistant systems and method of manufacture
US8840819B2 (en) 2012-03-28 2014-09-23 Richard W. Roberts, JR. In-situ foam core structural energy management system and method of manufacture
US9073462B2 (en) 2012-03-28 2015-07-07 Richard W. Roberts In-situ foam core vehicle seating system and method of manufacture
US9102086B2 (en) 2012-03-28 2015-08-11 Richard W. Roberts In-situ foam core structural articles and methods of manufacture of profiles
US9272484B2 (en) 2012-01-25 2016-03-01 Richard W. Roberts, JR. Structural plastic articles, method of use, and methods of manufacture
US9271610B2 (en) 2013-04-12 2016-03-01 Richard W. Roberts, JR. Bathtub/shower tray support
US9346237B2 (en) 2010-10-27 2016-05-24 Richard W. Roberts Recyclable plastic structural articles and method of manufacture
US10207606B2 (en) 2012-03-28 2019-02-19 Richard W. Roberts Recyclable plastic structural articles and method of manufacture
US10328662B2 (en) 2012-11-01 2019-06-25 Richard W. Roberts In-situ foam core stress mitigation component and method of manufacture
USD863599S1 (en) 2017-03-10 2019-10-15 Edward G Scherrer Insulation panel

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US2728702A (en) * 1951-07-13 1955-12-27 Lockheed Aircraft Corp Composite cellular plastic structure
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Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303619A (en) * 1962-12-21 1967-02-14 R C Mahon Company Industrial oven wall construction
US3457629A (en) * 1962-12-21 1969-07-29 Mahon Co R C Method of forming an industrial oven wall construction
US3242625A (en) * 1963-01-16 1966-03-29 Pullman Inc Spacer for insulated wall structure
US3511007A (en) * 1964-03-05 1970-05-12 Henry N Babcock Structural systems employing foaming-in-place
US3525661A (en) * 1965-06-28 1970-08-25 Conch Int Methane Ltd Thermal insulation structures
US3399503A (en) * 1966-04-16 1968-09-03 Robertson Co H H Building sheathing elements
US3455070A (en) * 1966-12-05 1969-07-15 Allmanna Stalelement Ab Roofing panel with interlocking edges
JPS48106919U (en) * 1972-03-13 1973-12-11
JPS48106918U (en) * 1972-03-13 1973-12-11
US3858373A (en) * 1972-12-11 1975-01-07 Textron Inc Metal roof clips
US3889437A (en) * 1972-12-11 1975-06-17 Textron Inc Metal roof
JPS5076628U (en) * 1973-11-16 1975-07-03
JPS5343708Y2 (en) * 1973-11-16 1978-10-20
US4494348A (en) * 1981-12-15 1985-01-22 Kastelic Rudolph F Pre-engineered modular building panel assembly
US4505082A (en) * 1982-02-10 1985-03-19 Peter Schmitz Structural panel
US4501101A (en) * 1982-11-04 1985-02-26 Combined America Industries, Inc. Fire rated component wall system
US4577445A (en) * 1984-08-28 1986-03-25 Ecometal Limited Insulation panel assembly for use in the roofing and/or the cladding of walls of buildings
WO1995018897A1 (en) * 1994-01-07 1995-07-13 Hendrik Willem Bennenk Cantilevered roof construction
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US9346237B2 (en) 2010-10-27 2016-05-24 Richard W. Roberts Recyclable plastic structural articles and method of manufacture
US10391700B2 (en) 2010-10-27 2019-08-27 Richard W. Roberts Recyclable plastic structural articles and method of manufacture
USD732701S1 (en) 2011-03-31 2015-06-23 Firestone Building Products Company, Llc Wall panel
USD668356S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
USD667963S1 (en) 2011-03-31 2012-09-25 Firestone Building Products Company, Llc Wall panel
USD668353S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
USD736953S1 (en) 2011-03-31 2015-08-18 Firestone Building Products Company, Llc Wall panel
USD668354S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
USD733328S1 (en) 2011-03-31 2015-06-30 Firestone Building Products Company, Llc Wall panel
USD733329S1 (en) 2011-03-31 2015-06-30 Firestone Building Products Company, Llc Wall panel
USD668357S1 (en) 2011-03-31 2012-10-02 Firestone Building Products Company, Llc Wall panel
US9272484B2 (en) 2012-01-25 2016-03-01 Richard W. Roberts, JR. Structural plastic articles, method of use, and methods of manufacture
US10207606B2 (en) 2012-03-28 2019-02-19 Richard W. Roberts Recyclable plastic structural articles and method of manufacture
US8840819B2 (en) 2012-03-28 2014-09-23 Richard W. Roberts, JR. In-situ foam core structural energy management system and method of manufacture
US9688046B2 (en) 2012-03-28 2017-06-27 Richard W. Roberts In-situ foam core structural articles and system for forming
US9102086B2 (en) 2012-03-28 2015-08-11 Richard W. Roberts In-situ foam core structural articles and methods of manufacture of profiles
US9073462B2 (en) 2012-03-28 2015-07-07 Richard W. Roberts In-situ foam core vehicle seating system and method of manufacture
US10391699B2 (en) 2012-03-29 2019-08-27 Richard W. Roberts Recyclable Plastic structural articles and method of manufacture
US8708177B2 (en) 2012-03-29 2014-04-29 Richard W. Roberts In-situ foam core dielectrically-resistant systems and method of manufacture
US10328662B2 (en) 2012-11-01 2019-06-25 Richard W. Roberts In-situ foam core stress mitigation component and method of manufacture
US10130220B2 (en) 2013-04-12 2018-11-20 Richard W. Roberts Bathtub/shower tray support
US9271610B2 (en) 2013-04-12 2016-03-01 Richard W. Roberts, JR. Bathtub/shower tray support
USD863599S1 (en) 2017-03-10 2019-10-15 Edward G Scherrer Insulation panel

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