US3282005A - Structural elements - Google Patents
Structural elements Download PDFInfo
- Publication number
- US3282005A US3282005A US286988A US28698863A US3282005A US 3282005 A US3282005 A US 3282005A US 286988 A US286988 A US 286988A US 28698863 A US28698863 A US 28698863A US 3282005 A US3282005 A US 3282005A
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- United States
- Prior art keywords
- halves
- edges
- distal
- wall
- distal edge
- Prior art date
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- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
- E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
- E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
- E04C2003/043—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0465—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section square- or rectangular-shaped
Definitions
- a further object is to provide such a system that iseasy for non-experienced personnel to erect.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
1966 B. F. BIRDWELL STRUCTURAL ELEMENTS Filed June 11, 1963 INVENTOR. BENJAMIN E B/RDWELL BY 2 WW2:
United States Patent 3,282,005 STRUCTURAL ELEMENTS Benjamin F. Bil-dwell, Memphis, Tenn., assignor to Benco, lnc., Memphis, Tenn., a corporation of Tennessee Filed June 11, 1963, Ser. No. 286,988 Claims. (Cl. 52-364) This invention relates to structural elements, and more particularly relates to such elements adapted to be used in the roof and floor systems of buildings, and as studs in the walls of buildings.
Heretofore, architectural building designs have dealt, for the greater part, with walls. Floor and roof systems have been neglected since they provide function rather than esthetics. Excessive costs of roof and floor systems have been accepted by architects and builders; however, these parts of a building provide the greatest opportunity for savings. Modern architectural trends are towards flat roofs. Service stations, schools and industrial buildings require clear spans. Conventional roof systems consist generally of four members: (1) joists (independently erected); (2) deck (independently attached); (3) ceiling (independently applied by suspending or by applying lathes, plastering and painting); and (4) mop-on (applying felt waterproof membranes). Previously, there have been a number of free span roof systems introduced. For example, several types leave open cells which require the addition of special ceilings. Another type requires the addition of a deck in order to provide a surface upon which the roof can be applied. These systems carry a transverse section of heavy gauge in order to provide proper metal thickness for the beam section. These prior systems were expensive to manufacture, expensive to pack, and expensive to erect.
The present invention is primarily directed towards overcoming the above mentioned and other disadvantages in prior roof and floor systems.
Thus, one of the principal objects of the present invention is to provide a roof and floor system that is less expensive than previous systems, yet is highly effective.
A further object is to provide such a system that iseasy for non-experienced personnel to erect.
A further object is to provide such a system that is long-lasting and substantially maintenance free.
A further object is to provide a metal roof and floor system that simulates a wooden system and is attractive in appearance.
A further object is to provide such a system that includes a unique metal box beam having provisions for receiving attaching members as nails and the like, deck members supported by said box beam, and attaching members as nails or the like extending through said deck members and into said box beam.
A further object is to provide improved means in such a beam for positively and tightly holding the attaching members.
A further object is to provide such a box beam which is shaped in an optimum form to have the maximum strength for a unit weight.
A further object is to provide such a beam that is easy to handle and erect.
A further object is to provide such a beam that is economical to fabricate, economical to transport, and economical to erect.
A further object is to provide such a beam that, in addition to being useful in a roof and floor system, can be used as a stud in a building wall.
A further object is generally to improve the design and construction of structural elements.
The means by which the foregoing and other objects of the present invention are accomplished and the manner of their accomplishment will be readily understood from the following specification upon reference to the accompanying drawings, in which:
FIG. 1 is a perspective view of one of the box beams of the present invention.
FIG. 2 is an enlarged cross-sectional view of the beam shown in combination with a deck member and an attaching member nailed through the deck member and into the box beam.
FIG. 3 is a fragmentary plan view of the box beam showing a step in the process of constructing same.
FIG. 4 is an enlarged fragmentary sectional view taken as on the line IV-IV of FIG. 3.
Referring now to the drawings in which the various parts are illustrated by numerals, the structural system 11 of the present invention includes, in general, the combination of the box beam 13, a member for attaching to the box beam such as the deck member 15, shown in FIG. 2, and an attaching member such as the helix drive nail 17.
Referring now in more detail to box beam 13, it includes two sections or halves 19, 21, which are substantially identical in construction except that in assembled relationship the halves are disposed degrees relative to one another. The halves 19, 21 are respectively C shaped in cross-section and inwardly face towards one another where they are interlockingly joined together, as will be better understood in the description to follow.
The advantages of the above-mentioned construction relative to shipping can readily be appreciated when it is considered that the two halves 19, 21 can be nested to reduce the amount of space required in shipping. Then, when it is desired to assemble box beam 13, for example, at the construction site, the half 21 is turned 180 degrees and brought into interlocking engagement by insertion of flange 49 into U-shaped member 33 and insertion of flange 41 into inverted U-shaped member 51. The parts are so arranged that when brought into the interlocking engagement above described, the distal edge 29 of half 19 and the adjacent distal edge 53 of half 21 are in close adjacency, as seen in dotted lines in FIG. 4, and the flange 49 and U-shaped member 33 are in engagement. In a like manner, the distal edge 31 of half 19 and the adjacent distal edge 55 of half 21 are in close adjacency, and flange 41 is in engagement with inverted U-shaped member 51.
The next step in the assembly of box beam 13 is to put U-shaped member 33 and flange 49, and the inverted U-shaped member 51 and flange 41, respectively, under tension by spreading apart edges 29 and 53, and edges 31 and 55. It will be understood that the spreading apart of the edges as above described puts the parts under tension since they are formed of resilient material. Also, when the edges are spread apart as above described, grooves 57, 59 will respectively be established between the edges. Thus, upwardly opening groove 57 will be established longitudinally of the beam in the middle of the upper wall 61 of the beam. It will be understood .that upper wall 61 of beam 13 is established from the upper walls 25, 47 of the respective halves 19, 21. Likewise, downwardly opening groove 59 is established longitudinally in the middle of the lower wall 63 of box beam 13, which lower wall is established from the lower walls 27, 45 of the halves.
The preferable means for spacing edges 29, 53 and edges 31, 55 is by shims 65 interposed between the adjacent edges at spaced intervals. Then, the halves 19, 21 are tack-welded as at welds 67 interposed between the edges at spaced intervals. Shims 65 may be either left in or removed after welds 67 have been provided.
To complete the system 11, members, such as deck members 15 which are supported on upper wall 61 over groove 57, are attached to beam 13 by driving attaching members, such as helix nails 17, through deck member 15 and into groove 57. It will be understood that, if desired, 'other members may be similarly attached to beam 13 along lower wall 63 as by driving attaching members into groove 59. It will also be understood that when the attaching members, as nails 17, are driven into the grooves 57, 59, the edges 29, 53 and the edges 31, 55 will be slightly spread apart by the nails against the inward compressing force caused by the action of U-shaped member 33 and flange 49, and U-shaped member 51 and flange 41. This inward compressing force against the attaching member, as above described, is an important part of the present invention since it will be understood the attaching members are thereby clamped in tight engagement so that they will not fall out or be easily removed. Also, the importance of this can be appreciated when it is considered that if the compressive force were not present and the welds 67 were used to hold the halves 19, 21 to gether, then the welds could easily be broken and there would be no compressive force to hold the attaching members in place. In contrast to this, with applicants structure, it would make no difference if welds 67 did break when the attaching members were driven into the groove, as, for example, in close proximity to a weld, since the attaching member would then act as the spacer means.
It should be pointed out that helix nails 17 are preferably of the type which are symmetrical, that is, root portions of the threads on one side of the nail correspond with root portions on the opposite side of the nail, with the corresponding root portions being directly across from each other. This makes possible the entrance of the edges 29, 53 and the edges 31, 55 into opposite root portions of the nails so that the nails are tightly held substantially perpendicular to walls 61 and 63. In other words, it is not necessary to rely strictly on the friction between the nail and the above-mentioned edges as would be the case if ordinary smooth nails were used, but with p the use of the symmetrical helix nails the friction of the edges against the nails prevents them from rotating, and
the edges extending into the roots of the threads hold the nails against withdrawal from the grooves in the beam.
From the foregoing description it will be understood that the present invention provides a unique and highly effective structural system for buildings in which a unique box beam is provided. It will further be understood that this system is one in which a roof and floor system can be erected much quicker and more economically than heretofore possible.
Although the invention has been described and illustrated with respect to a preferred embodiment thereof, it is to be understood that it is not to be so limited since changes and modifications may be made therein which are within the full intended scope of this invention as hereinafter claimed.
I claim:
1. A structural box beam adapted for receiving attaching members, said box beam comprising two halves, one of said halves including a wall having a distal edge and the other of said halves including a wall having a distal edge in spaced paralled relationship to said distal edge of said one of said halves to provide a groove therebetween, and resilient means respectively attached to said distal edges for urging said edges towards one another thereby being adapted to clamp attaching members therebetween.
2. A structural box beam adapted for receiving attaching members, said box beam comprising two halves, each of said halves being substantially C-shaped in cross-section and including a side wall and spaced upper and lower walls respectively extending substantially perpendicular from the upper and lower edges of said side wall and respectively terminating in upper and lower distal edges, said upper distal edges of said two halves and said lower distal edges of said two halves being respectively in closely spaced relationship to provide an upper groove and a lower groove in said beam adapted to receive attaching members, resilient means respectively attached to said upper distal edges and said lower distal edges for urging said upper distal edges and said lower distal edges towards one another and for holding said two halves together, and. spacer means respectively received in said upper and lower grooves at spaced intervals for respectively limiting inward movement of said upper distal edges towards one another and limiting inward movement of said lower distal edges towards one another.
3. .A structural box beam adapted for receiving attaching members, said box beam comprising two halves, each of said halves being substantially C-shaped in crosssection and including a side wall and spaced upper and lower walls respectively extending substantially perpendicular from the upper and lower edges of said side wall and respectively terminating in upper and lower distal edges; said upper distal edges of said two halves and said lower distal edges of said two halves being respectively in closely spaced relationship to provide an upper groove and a lower groove in said beam, one of said halves including a substantially U-shaped member integrally attached to said upper wall of said one of said halves in depending relationship along said distal edge thereof and an upstanding flange integrally attached to said lower wall of said one of said halves along said distal edge thereof, the other of said halves including a depending flange integrally attached to said upper wall of said other of said halves along said distal edge thereof, said U-shaped members being respectively interlocked with said flanges, said U-shaped members and said flanges being resilient and being in engagement and under tension to urge said upper distal edges and said lower distal edges towards one another, and spacer means respectively received in said upper and lower grooves at spaced intervals for respectively limiting inward movement of said upper distal edges towards one another and limiting inward movement of said lower distal edges towards one another.
4. In a building construction, the combination of a box-like beam comprising two halves; one of said halves including a wall having a distal edge and the other of said halves including a wall having a distal edge in spaced parallel reationship to said distal edge of said one of said halves to provide a groove therebetween, at least one deck member disposed on said beam over said groove, at least one attaching member extending through said deck member and into said groove, and resilient means respectively attached to said distal edges for urging said distal edges towards one another and clamp said attaching member therebetween,
5. The combination of claim 4 in which said attaching member comprises a substantially straight helix nail.
6. The combination of claim 5 in which said helix nail is symmetrical.
7. In a building construction, the combination of a boxlike beam comprising two halves; each of said halves being substantially C-shaped in cross-section and includ ing a side wall and spaced upper and lower walls respectively extending substantially perpendicular from the upper and lower edges of said side wall and respectively terminating in upper and lower distal edges; said upper distal edges of said two halves and said lower distal edges of said two halves being respectively in closely spaced relationship to provide an upper groove and a lower groove in said beam, resilient means respectively attached to said upper distal edges and said lower distal edges for urging said upper distal edges and said lower distal edges towards one another and for holding said two halves together, spacer means respectively received in said upper and lower grooves at spaced intervals for respectively limiting inward movement of said upper distal edges towards one another and limiting inward movement of said lower distal edges towards one another, at least one deck member disposed on said beam over said upper groove, and at least one attaching member extending through said deck member and into said groove to force said upper distal edges slightly apart against the force of said resilient means whereby said attaching member is held in place.
8. In a building construction, the combination of a box-like beam comprising two halves; each of said halves being substantially C-shaped in cross-section and including a side wall and spaced upper and lower walls respectively extending substantially perpendicular from the upper and lower edges of said side Wall and respectively terminating in upper and lower distal edges; said upper distal edges of said two halves and said lower distal edges of said two halves being respectively in closely spaced relationship to provide an upper groove and a lower groove in said beam, one of said halves including a substantially U-shaped member integrally attached to said upper wall of said one of said halves in depending relationship along said distal edge thereof and an upstanding flange integrally attached to said lower wall of said one of said halves along said distal edge thereof, the other of said halves including a depending flange integrally attached to said upper wall of said other of said halves along said distal edge thereof and an inverted substantially U-shaped member integrally attached to said lower wall of said other of said halves along said distal edge thereof, said U-shaped members being respectively interlocked with said flanges, said Ushaped members and said flanges being resilient and being in engagement and under tension to urge said upper distal edges and said lower distal edges towards one another, spacer means respectively received in said upper and lower grooves at spaced intervals for respectively limiting inward movement of said upper distal edges towards one another and limiting inward movement of said lower distal edges towards one another, at least one deck member disposed on said beam over said upper groove, and at least one attaching member extending through said deck member and into said groove to force said upper distal edges slightly apart against the force of said resilient means whereby said attaching member is held in place.
9. The combination of claim 8 in which said attaching member comprises a substantially straight helix nail.
it The combination of claim 9 in which said helix nail is symmetrical.
References Cited by the Examiner UNITED STATES PATENTS 2,675,896 4/1954 Van Pelt 52-731X FOREIGN PATENTS 162,108 4/ 1921 Great Britain.
RICHARD W. COOKE, JR., Primary Examiner.
Claims (1)
1. A STRUCTURAL BOX BEAM ADAPTED FOR RECEIVING ATTACHING MEMBERS, SAID BOX BEAM COMPRISING TWO HALVES, ONE OF SAID HALVES INCLUDING A WALL HAVING A DISTAL EDGE AND THE OTHER OF SAID HALVES INCLUDING A WALL HAVING A DISTAL EDGE IN SPACED PARALLEL RELATIONSHIP TO SAID DISTAL EDGE OF SAID ONE OF SAID HALVES TO PROVIDE A GROOVE THEREBETWEEN AND RESILIENT MEANS RESPECTIVELY ATTACHED TO SAID DISTAL
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US286988A US3282005A (en) | 1963-06-11 | 1963-06-11 | Structural elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US286988A US3282005A (en) | 1963-06-11 | 1963-06-11 | Structural elements |
Publications (1)
Publication Number | Publication Date |
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US3282005A true US3282005A (en) | 1966-11-01 |
Family
ID=23100995
Family Applications (1)
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US286988A Expired - Lifetime US3282005A (en) | 1963-06-11 | 1963-06-11 | Structural elements |
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Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336711A (en) * | 1965-09-10 | 1967-08-22 | Henry F Menke | Wall covering system |
US3471113A (en) * | 1967-02-24 | 1969-10-07 | United States Steel Corp | Sheet metal skid assembly |
US3686819A (en) * | 1970-01-14 | 1972-08-29 | Archibald H Atkinson | Structural chord members for joist construction |
US3999351A (en) * | 1970-11-05 | 1976-12-28 | Rensch Eberhard | Structural frame |
US4002001A (en) * | 1975-02-24 | 1977-01-11 | Uydess Samuel B | Wall stud for securing plasterboard |
US4040224A (en) * | 1974-09-23 | 1977-08-09 | Ralph D. Harris | Roof insulation support means |
US4068437A (en) * | 1976-11-04 | 1978-01-17 | W. H. Porter, Inc. | Panel roof construction with improved joints |
US4119302A (en) * | 1977-04-11 | 1978-10-10 | Moroco Philip A | Object supports |
US4619098A (en) * | 1984-10-19 | 1986-10-28 | Taylor Lawrence H | Metallic structural member particularly for support of walls and floors of buildings |
US4638615A (en) * | 1985-10-17 | 1987-01-27 | Taylor Lawrence H | Metallic structural member particularly for support of walls and floors of buildings |
US4867421A (en) * | 1986-09-29 | 1989-09-19 | Vernon Kenneth O | Fence post |
US5110094A (en) * | 1990-09-07 | 1992-05-05 | Ppa Industries, Inc. | B-shaped structural member and fastening system |
US5609006A (en) * | 1995-10-17 | 1997-03-11 | Boyer; Robert W. | Wall stud |
US5657590A (en) * | 1996-01-24 | 1997-08-19 | Quanex Corporation | Muntin bar assembly |
US5778626A (en) * | 1995-09-07 | 1998-07-14 | Hellsten; Mikael | Closed beam with expanded metal sections |
US5881508A (en) * | 1997-10-15 | 1999-03-16 | Materials International, Inc. | Decking extrusion |
US6050048A (en) * | 1995-09-07 | 2000-04-18 | Balcus Ab | Beam |
US6412249B1 (en) | 1995-10-17 | 2002-07-02 | Boyer Building Products, Inc. | Wall stud |
US20020121068A1 (en) * | 2001-01-31 | 2002-09-05 | Ng Hong Liang | Light weight building material |
US20040093825A1 (en) * | 2001-02-15 | 2004-05-20 | Dae-Jun Lee | Tubular structure and modular building assembly using the same |
US20080284205A1 (en) * | 2007-05-16 | 2008-11-20 | Z F Group North American Operations, Inc. | Structural component |
US20120060443A1 (en) * | 2010-09-12 | 2012-03-15 | Iron Deck Corp. | Deck frame channel beam |
USD893762S1 (en) * | 2018-06-26 | 2020-08-18 | Stonelake Pty. Ltd. | Elongated element |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB162108A (en) * | 1920-02-03 | 1921-04-28 | Dermot Joseph Mooney | Improvements in or relating to the construction of metal spars longerons and the like for aircraft |
US2675896A (en) * | 1948-09-09 | 1954-04-20 | Clarence E Van Pelt | Structural element |
-
1963
- 1963-06-11 US US286988A patent/US3282005A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB162108A (en) * | 1920-02-03 | 1921-04-28 | Dermot Joseph Mooney | Improvements in or relating to the construction of metal spars longerons and the like for aircraft |
US2675896A (en) * | 1948-09-09 | 1954-04-20 | Clarence E Van Pelt | Structural element |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336711A (en) * | 1965-09-10 | 1967-08-22 | Henry F Menke | Wall covering system |
US3471113A (en) * | 1967-02-24 | 1969-10-07 | United States Steel Corp | Sheet metal skid assembly |
US3686819A (en) * | 1970-01-14 | 1972-08-29 | Archibald H Atkinson | Structural chord members for joist construction |
US3999351A (en) * | 1970-11-05 | 1976-12-28 | Rensch Eberhard | Structural frame |
US4040224A (en) * | 1974-09-23 | 1977-08-09 | Ralph D. Harris | Roof insulation support means |
US4002001A (en) * | 1975-02-24 | 1977-01-11 | Uydess Samuel B | Wall stud for securing plasterboard |
US4068437A (en) * | 1976-11-04 | 1978-01-17 | W. H. Porter, Inc. | Panel roof construction with improved joints |
US4119302A (en) * | 1977-04-11 | 1978-10-10 | Moroco Philip A | Object supports |
US4619098A (en) * | 1984-10-19 | 1986-10-28 | Taylor Lawrence H | Metallic structural member particularly for support of walls and floors of buildings |
US4638615A (en) * | 1985-10-17 | 1987-01-27 | Taylor Lawrence H | Metallic structural member particularly for support of walls and floors of buildings |
US4867421A (en) * | 1986-09-29 | 1989-09-19 | Vernon Kenneth O | Fence post |
US5110094A (en) * | 1990-09-07 | 1992-05-05 | Ppa Industries, Inc. | B-shaped structural member and fastening system |
US5778626A (en) * | 1995-09-07 | 1998-07-14 | Hellsten; Mikael | Closed beam with expanded metal sections |
US6050048A (en) * | 1995-09-07 | 2000-04-18 | Balcus Ab | Beam |
US5609006A (en) * | 1995-10-17 | 1997-03-11 | Boyer; Robert W. | Wall stud |
US6412249B1 (en) | 1995-10-17 | 2002-07-02 | Boyer Building Products, Inc. | Wall stud |
US5657590A (en) * | 1996-01-24 | 1997-08-19 | Quanex Corporation | Muntin bar assembly |
US5881508A (en) * | 1997-10-15 | 1999-03-16 | Materials International, Inc. | Decking extrusion |
US20020121068A1 (en) * | 2001-01-31 | 2002-09-05 | Ng Hong Liang | Light weight building material |
US7257932B2 (en) * | 2001-01-31 | 2007-08-21 | Hong Liang Ng | Light weight building material |
US20040093825A1 (en) * | 2001-02-15 | 2004-05-20 | Dae-Jun Lee | Tubular structure and modular building assembly using the same |
US7155874B2 (en) * | 2001-02-15 | 2007-01-02 | Dae-Jun Lee | Tubular structure and modular building assembly using the same |
US20080284205A1 (en) * | 2007-05-16 | 2008-11-20 | Z F Group North American Operations, Inc. | Structural component |
US20120060443A1 (en) * | 2010-09-12 | 2012-03-15 | Iron Deck Corp. | Deck frame channel beam |
USD893762S1 (en) * | 2018-06-26 | 2020-08-18 | Stonelake Pty. Ltd. | Elongated element |
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