CA998929A - Gypsum wallboard-making process and product - Google Patents

Gypsum wallboard-making process and product

Info

Publication number
CA998929A
CA998929A CA162,045A CA162045A CA998929A CA 998929 A CA998929 A CA 998929A CA 162045 A CA162045 A CA 162045A CA 998929 A CA998929 A CA 998929A
Authority
CA
Canada
Prior art keywords
product
making process
gypsum wallboard
wallboard
gypsum
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.)
Expired
Application number
CA162,045A
Other versions
CA162045S (en
Inventor
William J. Long
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.)
United States Gypsum Co
Original Assignee
United States Gypsum Co
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 Co filed Critical United States Gypsum Co
Application granted granted Critical
Publication of CA998929A publication Critical patent/CA998929A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/08—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
CA162,045A 1972-01-27 1973-01-25 Gypsum wallboard-making process and product Expired CA998929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22132472A 1972-01-27 1972-01-27

Publications (1)

Publication Number Publication Date
CA998929A true CA998929A (en) 1976-10-26

Family

ID=22827337

Family Applications (1)

Application Number Title Priority Date Filing Date
CA162,045A Expired CA998929A (en) 1972-01-27 1973-01-25 Gypsum wallboard-making process and product

Country Status (3)

Country Link
AU (1) AU469464B2 (en)
BE (1) BE796476A (en)
CA (1) CA998929A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019040710A1 (en) * 2017-08-25 2019-02-28 United States Gypsum Company Gypsum board with enhanced strength, and related methods, slurries, and cover sheets
WO2020036842A1 (en) * 2018-08-14 2020-02-20 United States Gypsum Company Gypsum board from gypsum having high level of chloride salt and a starch layer and methods associated therewith
RU2789870C2 (en) * 2018-08-14 2023-02-14 Юнайтед Стейтс Джипсэм Компани Plasterboard of gypsum, containing high level of chloride salt and starch layer, as well as related method
US11891336B2 (en) 2019-11-22 2024-02-06 United States Gypsum Company Gypsum board containing high absorption paper and related methods
US11993054B2 (en) 2019-11-05 2024-05-28 United States Gypsum Company Method of preparing gypsum wallboard from high salt gypsum, and related product

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019040710A1 (en) * 2017-08-25 2019-02-28 United States Gypsum Company Gypsum board with enhanced strength, and related methods, slurries, and cover sheets
WO2020036842A1 (en) * 2018-08-14 2020-02-20 United States Gypsum Company Gypsum board from gypsum having high level of chloride salt and a starch layer and methods associated therewith
US11186067B2 (en) 2018-08-14 2021-11-30 United States Gypsum Company Gypsum board from gypsum having high level of chloride salt and a starch layer and methods associated therewith
RU2789870C2 (en) * 2018-08-14 2023-02-14 Юнайтед Стейтс Джипсэм Компани Plasterboard of gypsum, containing high level of chloride salt and starch layer, as well as related method
US11993054B2 (en) 2019-11-05 2024-05-28 United States Gypsum Company Method of preparing gypsum wallboard from high salt gypsum, and related product
US11891336B2 (en) 2019-11-22 2024-02-06 United States Gypsum Company Gypsum board containing high absorption paper and related methods

Also Published As

Publication number Publication date
AU469464B2 (en) 1976-02-12
BE796476A (en) 1973-07-02
AU4897072A (en) 1974-05-16

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