US20050081477A1 - Structural element - Google Patents
Structural element Download PDFInfo
- Publication number
- US20050081477A1 US20050081477A1 US10/983,741 US98374104A US2005081477A1 US 20050081477 A1 US20050081477 A1 US 20050081477A1 US 98374104 A US98374104 A US 98374104A US 2005081477 A1 US2005081477 A1 US 2005081477A1
- Authority
- US
- United States
- Prior art keywords
- structural element
- ribs
- web
- flanges
- pitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000000463 material Substances 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000010079 rubber tapping Methods 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
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
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
- E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
- E04B2/7854—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile
- E04B2/7881—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile of substantially S - or Z - section; having a shape or cross-section adapted for gripping or overlapping panels by means of at least partially complementary shaped parallel elements
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
- E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
- E04B2/7854—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile
- E04B2/789—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile of substantially U- or C- section
-
- 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
- E04C2003/0473—U- or C-shaped
-
- 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
- E04C2003/0482—Z- or S-shaped
Definitions
- the invention relates to structural elements of the type comprising a web extending between a pair of flanges.
- Such structural elements are generally of roll formed steel section.
- the thickness of the section may be increased to improve structural properties. However, this results in higher material costs and the additional cost is not proportional to the improvement in structural properties.
- a structural element comprising a web and at least one flange extending from the web, the element comprising a plurality of curved stiffening ribs extending along the longitudinal length of the element, the ribs being formed in the structural element at regions of structural importance of the element without substantially reducing the wall thickness, the pitch of the ribs being from 2 to 8 times the wall thickness of the structural element.
- the pitch of the ribs is from 3 to 7 times the wall thickness of the structural element.
- the pitch of the ribs is from 3 mm to 8 mm.
- the pitch of the ribs is from 3.8 mm to 7.8 mm.
- the depth of the ribs is from 1.5 to 3 times the wall thickness of the structural element.
- the bend radius of the ribs is from 0.5 to 3 times the wall thickness of the structural element.
- the bend radius of the ribs is substantially equal to the wall thickness of the structural element.
- the rib has a bottom radius which subtends an arc of between 20° and 128°. Preferably the radius subtends an arc of between 70° and 100°.
- the structural element comprises a pair of flanges and the web extends between the flanges.
- the ribs are provided in the or each flange of the structural element.
- ribs are provided on the web of the structural element.
- the ribs are provided adjacent a corner portion between the web and at least one of the flanges.
- the ribs are provided adjacent corner portions between the web and the flanges.
- the flanges extend from the web in the same direction.
- the flanges extend from the web in opposite directions.
- the web is substantially straight.
- the web has one or more bends therein.
- FIG. 1 is a cross sectional view of a structural element according to the invention
- FIG. 1 a is an enlarged view of a rib detail of the structural element
- FIG. 1 b is an enlarged view showing a detail of a single rib.
- FIG. 2 is a cross sectional view of another structural element
- FIG. 3 is a cross sectional view of a further structural element
- FIG. 4 is a cross sectional view of another structural element according to the invention.
- the structural element 1 has a generally C-profile comprising a web 2 extending between a pair of flanges 3 , 4 which in this case extend generally at right angles to the web 2 from the same side of the web.
- the areas of particular structural importance are the portions 5 , 6 of the web and flanges adjacent to the junction between the web and the flanges.
- material is gathered into these structurally important areas of an otherwise thin component. This is achieved by forming a plurality of small ribs 10 to absorb the material in these structurally important areas 5 , 6 .
- the ribs 10 are on a pitch which is approximately the same as a typical self drilling, self tapping fastener to prevent skating of the fastener, on fixing.
- the pitch p of the ribs is from 2 to 8 times, most preferably from 3 to 7 times the wall thickness (t) of the structural element.
- the ribs 10 are of a depth x of between 1.5t and 3.0t.
- the bend radius r of the ribs is from 0.5 to 3 times the wall thickness t, most preferably approximately equal to the wall thickness.
- the typical size of fixings used for cladding is between 4.8 mm and 6.5 mm.
- the pitch p of the ribs should preferably be between 0.8d and 1.2d, where d is the fastener diameter.
- the pitch p should be from about 3 to about 8 mm, preferably from 3.8 mm to 7.8 mm.
- each rib is symmetrical about a longitudinal axis and has lead-in portions defined by arcs and a bottom with a radius which subtends an arc ⁇ of between 20° and 128°, most preferably 70° to 100°.
- Small ribs of this type may be used in the locality of fixing bolts with a benefit to the bearing capacity of the connection by virtue of the increased area of metal contact with the bolt.
- Such localities comprise the web of the structural element, the bolts being used to fix the web to a cleat.
- the material which would produce a wide flange with the attendant problems described above is condensed into a narrower flange using a plurality of small ribs formed in the flange. A similar effect is achieved in the web.
- FIG. 2 there is illustrated another structural element 20 which is similar to that described with reference to FIG. 1 and like parts are assigned the same reference numerals.
- the web has an indent 21 and the section is of sigma shape.
- FIG. 3 another structural element 30 of zed section is illustrated in which the flanges extend on opposite sides of the web.
- FIG. 4 Another structural element 40 similar to the element of FIG. 3 is illustrated in FIG. 4 .
- the web in this case has an indent 41 .
- the material of the structural elements is generally galvanised steel.
- the sections may be of a range of different shapes and sizes.
- small ribs could be provided in structurally significant regions of any suitable thin gauge components.
- the invention may be applied to profiled metal sheet decking of the type described in WO 00/04250A. Such ribs could be applied to the flanges of such decking to enhance the deflecting and bending capacity of the decking.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Metal Rolling (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
A structural element (1, 20, 30, 40) comprises a web (2) extending between a pair of flanges (3, 4). The areas of particular structural importance are the portions (5, 6) of the web and flanges adjacent to the junction between the web and the flanges. Material is gathered into these structurally important areas of an otherwise thin component. This is achieved by providing a plurality of small ribs (10) to absorb the material in these structurally important areas (5, 6). The ribs (10) are on a pitch of 2 to 8 times the wall thickness t. The pitch is approximately the same as a typical self drilling, self tapping fastener to prevent skating of the fastener, on fixing. The ribs (10) are of a depth of between 1.5t and 3.0t, where t is the metal thickness. These parameters ensure that in terms of fixing, the ribs allow a fastening screw to be used and to perform in the same manner as with a flat faced flange or web.
Description
- The invention relates to structural elements of the type comprising a web extending between a pair of flanges. Such structural elements are generally of roll formed steel section.
- A large number of structural elements of this type are known and used widely, for example in building construction. Various complex sections have been developed to provide particular structural performance. Such known sections are however generally inefficient in terms of the amount of material required to achieve a desired structural performance because they are derived from a strip of uniform thickness. Generally the dimensions of the section are altered to achieve desired properties. For example, the width of the flanges may be increased to strengthen the section. However, this has the disadvantage of destabilising the section by moving the centre of rotation of the section (typically a C or sigma section) further away from the centroid of the section.
- This increases the need for struts and rotational restraints or a deeper indent in the web in a sigma or zed section which thereby loses the advantage of material saving. With zed type sections, the effect is to change the angle of the neutral axis, which in most lower pitch applications will move the performance away from optimum. There is also a threshold at which a long slender element becomes ineffective and prone to buckling.
- The thickness of the section may be increased to improve structural properties. However, this results in higher material costs and the additional cost is not proportional to the improvement in structural properties.
- It is known to provide a large rib in the flange and/or web of such a section in an attempt to stiffen the flange by reducing the effective width. However known sections of this type have the disadvantage that they reduce the effective width of the flange which can be screwed into when fastening cladding or the like to the section. If the rib is hit by a cladding fastener, the fastener will skate to the bottom of the rib and thereby elongate the hole into which the fastener is held and the fastening is therefore not complete. With deep ribs conventional fasteners may not be long enough to fasten efficiently at the bottom of the rib leading to potential puncturing of the cladding with an elongate hole. There is a further problem if the outer part of the web is to be stiffened by a larger rib since such a large rib may prevent the use of normal fasteners in the most advantageous fixing position.
- There is therefore a need for an improve structural element which will address these problems. In particular, there is a need for a structural element which can be manufactured from the thinnest metal without sacrificing structural strength.
- According to the invention there is provided a structural element comprising a web and at least one flange extending from the web, the element comprising a plurality of curved stiffening ribs extending along the longitudinal length of the element, the ribs being formed in the structural element at regions of structural importance of the element without substantially reducing the wall thickness, the pitch of the ribs being from 2 to 8 times the wall thickness of the structural element.
- In one embodiment the pitch of the ribs is from 3 to 7 times the wall thickness of the structural element.
- In another embodiment the pitch of the ribs is from 3 mm to 8 mm. Preferably the pitch of the ribs is from 3.8 mm to 7.8 mm.
- In one embodiment the depth of the ribs is from 1.5 to 3 times the wall thickness of the structural element.
- In another embodiment the bend radius of the ribs is from 0.5 to 3 times the wall thickness of the structural element. Preferably the bend radius of the ribs is substantially equal to the wall thickness of the structural element.
- In one embodiment the rib has a bottom radius which subtends an arc of between 20° and 128°. Preferably the radius subtends an arc of between 70° and 100°.
- In one embodiment the structural element comprises a pair of flanges and the web extends between the flanges.
- In another embodiment the ribs are provided in the or each flange of the structural element.
- In a further embodiment the ribs are provided on the web of the structural element.
- In one embodiment the ribs are provided adjacent a corner portion between the web and at least one of the flanges.
- In another embodiment the ribs are provided adjacent corner portions between the web and the flanges.
- In one embodiment the flanges extend from the web in the same direction.
- In another embodiment the flanges extend from the web in opposite directions.
- In one embodiment the web is substantially straight.
- In another embodiment the web has one or more bends therein.
- The invention will be more clearly understood from the following description thereof given by way of example only with reference to the accompanying drawings, in which:—
-
FIG. 1 is a cross sectional view of a structural element according to the invention; -
FIG. 1 a is an enlarged view of a rib detail of the structural element; -
FIG. 1 b is an enlarged view showing a detail of a single rib. -
FIG. 2 is a cross sectional view of another structural element; -
FIG. 3 is a cross sectional view of a further structural element; and -
FIG. 4 is a cross sectional view of another structural element according to the invention. - Referring to the drawings there are illustrated profiles of various structural elements according to the invention. These profiles are indicative only and the invention may be applied to a wide variety of sections of this type.
- In
FIG. 1 thestructural element 1 has a generally C-profile comprising aweb 2 extending between a pair offlanges web 2 from the same side of the web. The areas of particular structural importance are theportions small ribs 10 to absorb the material in these structurallyimportant areas ribs 10 are on a pitch which is approximately the same as a typical self drilling, self tapping fastener to prevent skating of the fastener, on fixing. The pitch p of the ribs is from 2 to 8 times, most preferably from 3 to 7 times the wall thickness (t) of the structural element. Theribs 10 are of a depth x of between 1.5t and 3.0t. The bend radius r of the ribs is from 0.5 to 3 times the wall thickness t, most preferably approximately equal to the wall thickness. - The typical size of fixings used for cladding is between 4.8 mm and 6.5 mm. The pitch p of the ribs should preferably be between 0.8d and 1.2d, where d is the fastener diameter. Thus, the pitch p should be from about 3 to about 8 mm, preferably from 3.8 mm to 7.8 mm. These parameters ensure that in terms of fixing the ribs allow a fastening screw to be used and to perform in the same manner as with a flat faced flange or web. A large portion of the flange is subject to plastic deformation in the manufacturing process, thereby increasing the yield strength of a large part of the flange.
- Referring in particular to
FIG. 1 (b) each rib is symmetrical about a longitudinal axis and has lead-in portions defined by arcs and a bottom with a radius which subtends an arc α of between 20° and 128°, most preferably 70° to 100°. - Small ribs of this type (ratio of pitch to bolt to be less than 0.75 of the diameter) may be used in the locality of fixing bolts with a benefit to the bearing capacity of the connection by virtue of the increased area of metal contact with the bolt. Such localities comprise the web of the structural element, the bolts being used to fix the web to a cleat.
- The following properties of structural elements of the invention are improved:
-
- 1. Section modulus Zxx
- 2. Section moment of inertia Ixx
- 3. Local yield strength Ya
- 4. Specific tortional stiffness (compared to weight and thickness of parent material)
- 5. Screw pull out capacity
- 6. Screw spin out capacity
- 7. Material distribution in section.
- The following properties of structural elements of the invention are not adversely affected:
-
- 1. Angle of section neutral axis
- 2. The freedom to position section fastening bolts in the web
- 3. The freedom to position fasteners in the flange.
- In the invention, the material which would produce a wide flange with the attendant problems described above is condensed into a narrower flange using a plurality of small ribs formed in the flange. A similar effect is achieved in the web.
- Referring to
FIG. 2 there is illustrated anotherstructural element 20 which is similar to that described with reference toFIG. 1 and like parts are assigned the same reference numerals. In this case the web has anindent 21 and the section is of sigma shape. - Referring to
FIG. 3 anotherstructural element 30 of zed section is illustrated in which the flanges extend on opposite sides of the web. - Another
structural element 40 similar to the element ofFIG. 3 is illustrated inFIG. 4 . The web in this case has anindent 41. - The material of the structural elements is generally galvanised steel.
- The sections may be of a range of different shapes and sizes. For example, small ribs could be provided in structurally significant regions of any suitable thin gauge components. For example, the invention may be applied to profiled metal sheet decking of the type described in WO 00/04250A. Such ribs could be applied to the flanges of such decking to enhance the deflecting and bending capacity of the decking.
- The invention is not limited to the embodiments hereinbefore described which may be varied in detail.
Claims (18)
1. A structural element comprising a web and at least one flange extending from the web, the element comprising a plurality of curved stiffening ribs extending along the longitudinal length of the element, the ribs being formed in the structural element at regions of structural importance of the element without substantially reducing the wall thickness, the pitch of the ribs being from 2 to 8 times the wall thickness of the structural element.
2. A structural element as claimed in claim 1 wherein the pitch of the ribs is from 3 to 7 times the wall thickness of the structural element.
3. A structural element as claimed in claim 1 wherein the pitch of the ribs is from 3 mm to 8 mm.
4. A structural element as claimed in claim 1 wherein the pitch of the ribs is from 3.8 mm to 7.8 mm.
5. A structural element as claimed in claim 1 wherein the depth of the ribs is from 1.5 to 3 times the wall thickness of the structural element.
6. A structural element as claimed in claim 1 wherein the bend radius of the ribs is from 0.5 to 3 times the wall thickness of the structural element.
7. A structural element as claimed in claim 6 wherein the bend radius of the ribs is substantially equal to the wall thickness of the structural element.
8. A structural element as claimed in claim 1 wherein the rib has a bottom radius which subtends an arc of between 20° and 128°.
9. A structural element as claimed in claim 8 wherein the radius subtends an arc of between 70° and 100°.
10. A structural element as claimed in claim 1 wherein the structural element comprises a pair of flanges and the web extends between the flanges.
11. A structural element as claimed in claim 1 wherein the ribs are provided in the or each flange of the structural element.
12. A structural element as claimed in claim 1 wherein the ribs are provided on the web of the structural element.
13. A structural element as claimed in claim 1 wherein the ribs are provided adjacent a corner portion between the web and at least one of the flanges.
14. A structural element as claimed in claim 13 wherein the ribs are provided adjacent corner portions between the web and the flanges.
15. A structural element as claimed in claim 1 wherein the flanges extend from the web in the same direction.
16. A structural element as claimed in claim 1 wherein the flanges extend from the web in opposite directions.
17. A structural element as claimed in claim 1 wherein the web is substantially straight.
18. A structural element as claimed in claim 1 wherein the web has one or more bends therein.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/983,741 US20050081477A1 (en) | 2002-05-10 | 2004-11-09 | Structural element |
US11/405,693 US20070068113A1 (en) | 2002-05-10 | 2006-04-18 | Structural element |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE20020371 | 2002-05-10 | ||
IE2002/0371 | 2002-05-10 | ||
PCT/IE2003/000067 WO2003095758A1 (en) | 2002-05-10 | 2003-05-12 | A structural element |
US10/983,741 US20050081477A1 (en) | 2002-05-10 | 2004-11-09 | Structural element |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/IE2003/000067 Continuation WO2003095758A1 (en) | 2002-05-10 | 2003-05-12 | A structural element |
Related Child Applications (1)
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US11/405,693 Continuation US20070068113A1 (en) | 2002-05-10 | 2006-04-18 | Structural element |
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US20050081477A1 true US20050081477A1 (en) | 2005-04-21 |
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US10/983,741 Abandoned US20050081477A1 (en) | 2002-05-10 | 2004-11-09 | Structural element |
US11/405,693 Abandoned US20070068113A1 (en) | 2002-05-10 | 2006-04-18 | Structural element |
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US11/405,693 Abandoned US20070068113A1 (en) | 2002-05-10 | 2006-04-18 | Structural element |
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Cited By (22)
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US20070095002A1 (en) * | 2005-10-28 | 2007-05-03 | Kim-Whitty Suk K | Nx steel lumber |
US20070175149A1 (en) * | 2006-01-17 | 2007-08-02 | Bodnar Ernest R | Stud with lengthwise indented ribs and method |
US20080006002A1 (en) * | 2006-05-18 | 2008-01-10 | Strickland Michael R | Light steel structural members |
US20080172978A1 (en) * | 2007-01-20 | 2008-07-24 | Michael Caruso | Screen wall system |
US20090126315A1 (en) * | 2005-04-07 | 2009-05-21 | Richter System Gmbh & Co. Kg | C-Shaped Profile |
USD667963S1 (en) | 2011-03-31 | 2012-09-25 | Firestone Building Products Company, Llc | Wall panel |
USD668356S1 (en) | 2011-03-31 | 2012-10-02 | Firestone Building Products Company, Llc | Wall panel |
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US20120266562A1 (en) * | 2009-11-27 | 2012-10-25 | Keith Woolf | Structural element |
US9010070B2 (en) | 2009-08-14 | 2015-04-21 | Clarkwestern Dietrich Building Systems Llc | Structural framing member |
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US9249622B1 (en) * | 2013-09-18 | 2016-02-02 | Premium Garage Door Hardware Inc. | Garage door track with inwardly hemmed sidewall, and reinforcing ribs to reduce the incidence of rollout |
USD751222S1 (en) | 2010-08-16 | 2016-03-08 | Clarkwestern Dietrich Building Systems Llc | Framing member |
USD751733S1 (en) | 2010-08-16 | 2016-03-15 | Clark Western Dietrich Building Systems Llc | Framing member |
JP2016526625A (en) * | 2013-07-01 | 2016-09-05 | セン・ゴバン プラコ エスアーエス | Use of the dry structure system for manufacturing partition walls, suspended ceilings, etc., its carrier-shaped body, and this dry structure system |
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US20200048901A1 (en) * | 2016-10-17 | 2020-02-13 | Burkhart Schurig | Drywall construction combination profiled section for walls and ceilings of a house and method for erecting a drywall construction wall |
US20220372758A1 (en) * | 2021-05-24 | 2022-11-24 | Super Stud Building Products, Inc. | Isolated Resilient Channel |
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US8056303B2 (en) * | 2009-05-06 | 2011-11-15 | Frobosilo Raymond C | Non load-bearing metal wall stud having increased strength |
EP3482013A4 (en) * | 2016-07-06 | 2020-01-22 | Moskovitch, Dov | Structural element |
USD1021151S1 (en) | 2021-04-26 | 2024-04-02 | Jaimes Industries, Inc. | Framing member |
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US6092349A (en) * | 1995-03-22 | 2000-07-25 | Trenerry; John Allan | Elongate structural member |
-
2004
- 2004-11-09 US US10/983,741 patent/US20050081477A1/en not_active Abandoned
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2006
- 2006-04-18 US US11/405,693 patent/US20070068113A1/en not_active Abandoned
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US6092349A (en) * | 1995-03-22 | 2000-07-25 | Trenerry; John Allan | Elongate structural member |
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