US20170138048A1 - Partition stud - Google Patents

Partition stud Download PDF

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Publication number
US20170138048A1
US20170138048A1 US15/283,518 US201615283518A US2017138048A1 US 20170138048 A1 US20170138048 A1 US 20170138048A1 US 201615283518 A US201615283518 A US 201615283518A US 2017138048 A1 US2017138048 A1 US 2017138048A1
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US
United States
Prior art keywords
web
ksi
width
edge
sheet
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
Application number
US15/283,518
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English (en)
Inventor
Robert Léonard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eb Metal Inc
Original Assignee
Eb Metal Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eb Metal Inc filed Critical Eb Metal Inc
Priority to US15/283,518 priority Critical patent/US20170138048A1/en
Assigned to EB METAL INC. reassignment EB METAL INC. NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). Assignors: LÉONARD, ROBERT
Publication of US20170138048A1 publication Critical patent/US20170138048A1/en
Abandoned legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
    • 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
    • E04C2003/0421—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 comprising one single unitary part
    • 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

Definitions

  • the present invention relates to partition studs. More specifically, the present invention is concerned with metallic partition studs.
  • Studs are vertical framing members used in building walls. In the case of inner walls, referred to as partition walls, the studs typically hold in place doors and interior finish. As shown in FIG. 1 , studs run from a bottom track (B) to a top track (not shown in FIG. 1 ). Wall materials and/or wall boards or panels (P) are then secured to the flanges 12 of the studs, using screws (S) for example, to form a closed partition wall structure.
  • B bottom track
  • S screws
  • studs were traditionally made of wood, usually 2′′ ⁇ 4′′ or 2′′ ⁇ 6′′ dimensional lumbers and typically placed 16 inches (406 mm) from each other's center, but sometimes also at 12 inches (305 mm) or 24 inches (610 mm).
  • the wood needs to be dry when used or problems may occur as the studs shrink and twist as they dry out.
  • a metal stud is formed from a sheet of metal, preferably between about 0.015 and about 0.040 inches in thickness, which is folded into a C-shape cross section to provide a central web 16 disposed perpendicular to the general plane of the partition (P), and a pair of L-shaped flanges 12 extending perpendicularly from the two respective edges of the web 16 and having a stiffening return 14 extending perpendicularly inwardly from the edge of each flange 12 opposite to the edge thereof joining the web 16 (see FIG. 1 ).
  • the flanges 12 are for attachment of wall materials and/or wall boards or panels (P) to form the closed wall structure as described hereinabove.
  • the stiffness or stability of a resulting partition is a function of many factors in the stud design and the partition design.
  • a metal stud comprising a web and flanges extending perpendicularly from respective edges of the web and each having a stiffening return, the web comprising a longitudinal rib at each edge thereof, each rib having a width of 0.250′′ from a respective edge of the web and a depth of 0.060′′ from a baseline of the web.
  • a method for making a metal stud from a sheet of metal comprising forming a longitudinal rib at each edge of the sheet, and folding the sheet into a general C-shape section, with a central web connected at each edge thereof to a flange and provided with a longitudinal rib at each edge of the central web.
  • a method for reinforcing a metal stud comprising a web and flanges extending perpendicularly from respective edges of the web, the method comprising providing a longitudinal rib at each edge of the web, each rib having a width of 0.250′′ from a respective edge of the web and a depth of 0.060′′ from a baseline of the web.
  • FIG. 1 shows studs as known in the art
  • FIG. 2 shows a stud 15 ⁇ 8′′ ⁇ 11 ⁇ 4′′ according to an embodiment of an aspect of the present invention
  • FIG. 3 shows a stud 21 ⁇ 2′′ ⁇ 11 ⁇ 4′′ according to an embodiment of an aspect of the present invention
  • FIG. 4 shows a stud 35 ⁇ 8′′ ⁇ 11 ⁇ 4′′ according to an embodiment of an aspect of the present invention
  • FIG. 5 shows a stud 4.000 ⁇ 11 ⁇ 4′′ according to an embodiment of an aspect of the present invention
  • FIG. 6 shows a stud 6.000′′ ⁇ 11 ⁇ 4′′ according to an embodiment of an aspect of the present invention
  • FIG. 7 shows a perspective view of a stud according to an embodiment of an aspect of the present invention.
  • FIG. 8 compares heights permitted with studs of the present invention in a galvanized steel of a thickness of 0.017, and with corresponding studs of the prior art
  • FIG. 9 compares heights permitted with studs of the present invention in galvanized steel of a thickness of 0.021, and with corresponding studs of the prior art.
  • FIG. 2-7 Studs according to embodiments of aspects of the present invention are shown for example in FIG. 2-7 .
  • the partition studs 10 , 10 ′, 10 ′′, 10 ′′′ and 10 ′′′′ have a general C-shape section, with a web 16 and a pair of L-shaped flanges 12 each having a return 14 at a free end thereof. Connection between each flange 14 and the web 16 is done with a radius of curvature R.
  • the outer surface of the flanges 12 may be provided with knurling.
  • the web 16 comprises a longitudinal rib 18 at each extremity thereof, running generally along the length of the web 16 (i.e. perpendicularly to the views of FIGS. 2-6 ).
  • each rib 18 has a width w, from the junction between a flange 12 and the web 16 , i.e. from the outer edge of the web along a width of the web 16 , of 0.250′′, and a depth d of 0.060′′ from the baseline of the web 16 .
  • the flanges 12 have a width W f of 1.250′′
  • the returns 14 have a width W r of 0.250′′
  • the radius of curvature R at the junction between the web 16 and each flange 12 is 0.040′′.
  • the connecting angle between the rib 18 and the baseline of the web 16 is of 45 degrees, as shown in FIG. 2 for example.
  • a steel with a yield strength of at least 33 ksi is selected for example, a galvanised steel having a yield strength of 50 ksi was used with a thickness of 0.021′′, and a galvanised steel having a yield strength of 33 ksi with a thickness of 0.0017′ was used.
  • the stud 10 has a width W 1 , generally determined by the width of the web 16 , of 1.625′′′.
  • the stud 10 ′ has a width W 2 of 2.500′′′.
  • the stud 10 ′′ has a width W 3 of 3.625′′′.
  • the stud 10 ′′′ has a width W 4 of 4.000′′′.
  • the stud 10 ′′′′ has a width W 5 of 6.000′′′.
  • a coating on the steel may be used for anticorrosion purposes as known in the art.
  • Stud width W (inside dimensions): 15 ⁇ 8′′, 21 ⁇ 2′′, 35 ⁇ 8′′, 4′′ and 6′′.
  • FIGS. 8 and 9 show limiting heights thus allowed with studs of the present invention, as compared with studs of the prior art with a same thickness and yield strength of the steel plate used, submitted to a same pressure (5 psf-pound-force per square foot), for different spacings between consecutive studs (i.e. 12′, c.c/16′′ c.c and 24′′c.c), as measured according to standard CSA S136:2001 for Cold Formed Steel Structural Members.
  • Unexpected results were obtained with the studs of the present invention.
  • the performances of the studs of the present invention are much greater than could have been predicted by someone of skill in the art based on known studs, in a much unpredictable art, as far as metal behavior in combination to shape and properties is concerned.
  • an ingenious metal stud formed from a metal sheet folded into a C-shape cross section, of standard overall dimensions, combining a central web and flanges extending perpendicularly from the two respective edges of the web and each having a stiffening return, the central web comprising a longitudinal rib at each edge thereof, each rib having a width of 0.250′′ from the edge of the web and a depth of 0.060′′ from the baseline of the web.
  • a method for reinforcing a metal stud comprising providing the central web thereof with a rib running longitudinally along each edge thereof, each rib having a width of 0.250′′ from the edge of the web and a depth of 0.060′′ from the baseline of the web.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
US15/283,518 2015-11-17 2016-10-03 Partition stud Abandoned US20170138048A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/283,518 US20170138048A1 (en) 2015-11-17 2016-10-03 Partition stud

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562256326P 2015-11-17 2015-11-17
US15/283,518 US20170138048A1 (en) 2015-11-17 2016-10-03 Partition stud

Publications (1)

Publication Number Publication Date
US20170138048A1 true US20170138048A1 (en) 2017-05-18

Family

ID=58690492

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/283,518 Abandoned US20170138048A1 (en) 2015-11-17 2016-10-03 Partition stud

Country Status (2)

Country Link
US (1) US20170138048A1 (fr)
CA (1) CA2944376A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10633856B2 (en) * 2013-07-01 2020-04-28 Saint-Gobain Placo Sas Dry construction system for making partition walls, suspended ceilings or the like, carrier profile therefor, and use of this dry construction system
US20220081904A1 (en) * 2020-09-17 2022-03-17 Hi-Tech Tilt Intellectual Property Management, Inc. Structural Floor and Roof Joists
US11545929B2 (en) 2019-02-07 2023-01-03 United States Department Of Energy Solar panel racking system
JP7787401B2 (ja) 2022-01-14 2025-12-17 日本製鉄株式会社 パネル材
JP7787402B2 (ja) 2022-01-14 2025-12-17 日本製鉄株式会社 パネル材及びパネル材の製造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2022014621A (es) * 2020-05-22 2023-01-05 Knauf Gips Kg Montante de construccion en seco y pared de construccion en seco con un montante de construccion en seco.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123887A (en) * 1977-07-06 1978-11-07 Weinar Roger N Strengthening of channel shaped building columns and beams
US20070193202A1 (en) * 2005-03-02 2007-08-23 John Rice Track for metal stud walls
US20090113827A1 (en) * 2007-11-07 2009-05-07 Scafco Corporation Metal construction member
USD618365S1 (en) * 2009-06-18 2010-06-22 James Crane Reinforced steel stud
US20100281821A1 (en) * 2009-05-06 2010-11-11 Frobosilo Raymond C Non load-bearing metal wall stud having increased strength

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123887A (en) * 1977-07-06 1978-11-07 Weinar Roger N Strengthening of channel shaped building columns and beams
US20070193202A1 (en) * 2005-03-02 2007-08-23 John Rice Track for metal stud walls
US7849640B2 (en) * 2005-03-02 2010-12-14 Bailey Metal Products Limited Track for metal stud walls
US20090113827A1 (en) * 2007-11-07 2009-05-07 Scafco Corporation Metal construction member
US20100281821A1 (en) * 2009-05-06 2010-11-11 Frobosilo Raymond C Non load-bearing metal wall stud having increased strength
US8056303B2 (en) * 2009-05-06 2011-11-15 Frobosilo Raymond C Non load-bearing metal wall stud having increased strength
USD618365S1 (en) * 2009-06-18 2010-06-22 James Crane Reinforced steel stud

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10633856B2 (en) * 2013-07-01 2020-04-28 Saint-Gobain Placo Sas Dry construction system for making partition walls, suspended ceilings or the like, carrier profile therefor, and use of this dry construction system
US11545929B2 (en) 2019-02-07 2023-01-03 United States Department Of Energy Solar panel racking system
US20220081904A1 (en) * 2020-09-17 2022-03-17 Hi-Tech Tilt Intellectual Property Management, Inc. Structural Floor and Roof Joists
JP7787401B2 (ja) 2022-01-14 2025-12-17 日本製鉄株式会社 パネル材
JP7787402B2 (ja) 2022-01-14 2025-12-17 日本製鉄株式会社 パネル材及びパネル材の製造方法

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Legal Events

Date Code Title Description
AS Assignment

Owner name: EB METAL INC., CANADA

Free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNOR:LEONARD, ROBERT;REEL/FRAME:039919/0589

Effective date: 20160112

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION