WO2009085981A3 - Cementitious boards with reinforced edges that resist impact damage - Google Patents

Cementitious boards with reinforced edges that resist impact damage Download PDF

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Publication number
WO2009085981A3
WO2009085981A3 PCT/US2008/087478 US2008087478W WO2009085981A3 WO 2009085981 A3 WO2009085981 A3 WO 2009085981A3 US 2008087478 W US2008087478 W US 2008087478W WO 2009085981 A3 WO2009085981 A3 WO 2009085981A3
Authority
WO
WIPO (PCT)
Prior art keywords
board
edges
inch
cementitious
coating
Prior art date
Application number
PCT/US2008/087478
Other languages
French (fr)
Other versions
WO2009085981A2 (en
Inventor
David Bruce Mcdonald
Original Assignee
United States Gypsum Company
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 United States Gypsum Company filed Critical United States Gypsum Company
Priority to JP2010540802A priority Critical patent/JP2011509194A/en
Priority to CA2710834A priority patent/CA2710834A1/en
Priority to EP08869157A priority patent/EP2235281A2/en
Publication of WO2009085981A2 publication Critical patent/WO2009085981A2/en
Publication of WO2009085981A3 publication Critical patent/WO2009085981A3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Panels For Use In Building Construction (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)

Abstract

A cementitious board reinforced on its edges by a coating of an elastic composition that provides improved nail pull strength to the board. In a preferred embodiment, the coating provides additional protection of the edges of the board from impact damage and cracking or 'spalling' of the board during handling and installation e.g. nailing, particularly when the board is nailed to a structure near the edges of the cementitious board. The cementitious board typically include gypsum fiberboard, paper covered gypsum wallboard and cement board having a core layer of a lightweight cement composition. On the edges of the board, the coating is applied to cover the portion of the board from the edge to a distance of about 0.635 cm. to 5.08 cm. (one fourth inch to two inch) typically 0.635 cm. to 2.54 cm. (one fourth inch to one inch) from each of the edges on both the top and bottom outer surface layers of the cementitious board to form rounded edges.
PCT/US2008/087478 2007-12-28 2008-12-18 Cementitious boards with reinforced edges that resist impact damage WO2009085981A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010540802A JP2011509194A (en) 2007-12-28 2008-12-18 Cementitious board with reinforced edges for impact damage resistance
CA2710834A CA2710834A1 (en) 2007-12-28 2008-12-18 Cementitious boards with reinforced edges that resist impact damage
EP08869157A EP2235281A2 (en) 2007-12-28 2008-12-18 Cementitious boards with reinforced edges that resist impact damage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1734307P 2007-12-28 2007-12-28
US61/017,343 2007-12-28

Publications (2)

Publication Number Publication Date
WO2009085981A2 WO2009085981A2 (en) 2009-07-09
WO2009085981A3 true WO2009085981A3 (en) 2009-08-27

Family

ID=40825017

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/087478 WO2009085981A2 (en) 2007-12-28 2008-12-18 Cementitious boards with reinforced edges that resist impact damage

Country Status (5)

Country Link
EP (1) EP2235281A2 (en)
JP (1) JP2011509194A (en)
CA (1) CA2710834A1 (en)
CL (1) CL2008003916A1 (en)
WO (1) WO2009085981A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11433645B2 (en) 2013-12-30 2022-09-06 Saint-Gobain Placo Sas Building boards with increased surface strength
US10981294B2 (en) 2016-08-05 2021-04-20 United States Gypsum Company Headbox and forming station for fiber-reinforced cementitious panel production
US11224990B2 (en) 2016-08-05 2022-01-18 United States Gypsum Company Continuous methods of making fiber reinforced concrete panels
US10272399B2 (en) 2016-08-05 2019-04-30 United States Gypsum Company Method for producing fiber reinforced cementitious slurry using a multi-stage continuous mixer
US11173629B2 (en) 2016-08-05 2021-11-16 United States Gypsum Company Continuous mixer and method of mixing reinforcing fibers with cementitious materials

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916004A (en) * 1986-02-20 1990-04-10 United States Gypsum Company Cement board having reinforced edges
JP2003253807A (en) * 2002-03-04 2003-09-10 Chiyoda Ute Co Ltd Spandrel wall panel and method of constructing the same
KR200361112Y1 (en) * 2004-06-04 2004-09-07 주식회사 이수테크산업 The plaster panel with a cushion material
US20040219845A1 (en) * 2003-04-29 2004-11-04 Graham Samuel E. Fabric reinforced cement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916004A (en) * 1986-02-20 1990-04-10 United States Gypsum Company Cement board having reinforced edges
US4916004B1 (en) * 1986-02-20 1992-02-18 United States Gypsum Co
JP2003253807A (en) * 2002-03-04 2003-09-10 Chiyoda Ute Co Ltd Spandrel wall panel and method of constructing the same
US20040219845A1 (en) * 2003-04-29 2004-11-04 Graham Samuel E. Fabric reinforced cement
KR200361112Y1 (en) * 2004-06-04 2004-09-07 주식회사 이수테크산업 The plaster panel with a cushion material

Also Published As

Publication number Publication date
EP2235281A2 (en) 2010-10-06
JP2011509194A (en) 2011-03-24
WO2009085981A2 (en) 2009-07-09
CA2710834A1 (en) 2009-07-09
CL2008003916A1 (en) 2009-09-25

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