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FR2220639A1 - Paper coated gypsum board mfr. - by slip casting, the paper being locally precoated discontinuously with starch - Google Patents

Paper coated gypsum board mfr. - by slip casting, the paper being locally precoated discontinuously with starch

Info

Publication number
FR2220639A1
FR2220639A1 FR7308585A FR7308585A FR2220639A1 FR 2220639 A1 FR2220639 A1 FR 2220639A1 FR 7308585 A FR7308585 A FR 7308585A FR 7308585 A FR7308585 A FR 7308585A FR 2220639 A1 FR2220639 A1 FR 2220639A1
Authority
FR
France
Prior art keywords
paper
starch
precoated
discontinuously
locally
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.)
Granted
Application number
FR7308585A
Other languages
French (fr)
Other versions
FR2220639B1 (en
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
Priority to FR7308585A priority Critical patent/FR2220639A1/en
Publication of FR2220639A1 publication Critical patent/FR2220639A1/en
Application granted granted Critical
Publication of FR2220639B1 publication Critical patent/FR2220639B1/fr
Granted legal-status Critical Current

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
    • 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
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/02—Temperature
    • 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
    • B32B2607/00—Walls, panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

Gypsum board s made by applying a discontinuous, regularly distributed layer of sports of adhesive based on uncooked starch on two sheets of paper, lining the mould with these sheets, with the adhesive side inwards, pouring the slip of gypsum paste into the mould and allowing it to set then demoulding and heating the board to accelerate the set and cook the starch. The starch produces local adhesion, so that the paper is held firmly across the surface.
FR7308585A 1973-03-09 1973-03-09 Paper coated gypsum board mfr. - by slip casting, the paper being locally precoated discontinuously with starch Granted FR2220639A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7308585A FR2220639A1 (en) 1973-03-09 1973-03-09 Paper coated gypsum board mfr. - by slip casting, the paper being locally precoated discontinuously with starch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7308585A FR2220639A1 (en) 1973-03-09 1973-03-09 Paper coated gypsum board mfr. - by slip casting, the paper being locally precoated discontinuously with starch

Publications (2)

Publication Number Publication Date
FR2220639A1 true FR2220639A1 (en) 1974-10-04
FR2220639B1 FR2220639B1 (en) 1980-03-28

Family

ID=9116082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7308585A Granted FR2220639A1 (en) 1973-03-09 1973-03-09 Paper coated gypsum board mfr. - by slip casting, the paper being locally precoated discontinuously with starch

Country Status (1)

Country Link
FR (1) FR2220639A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380876A1 (en) * 1977-02-18 1978-09-15 United States Gypsum Co PLASTER WALL PANEL AND ITS PREPARATION
US9540810B2 (en) 2012-10-23 2017-01-10 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US9802866B2 (en) 2005-06-09 2017-10-31 United States Gypsum Company Light weight gypsum board
US9828441B2 (en) 2012-10-23 2017-11-28 United States Gypsum Company Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products
US9840066B2 (en) 2005-06-09 2017-12-12 United States Gypsum Company Light weight gypsum board
US10399899B2 (en) 2012-10-23 2019-09-03 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US10919808B2 (en) 2017-07-18 2021-02-16 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11008257B2 (en) 2017-07-18 2021-05-18 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11306028B2 (en) 2005-06-09 2022-04-19 United States Gypsum Company Light weight gypsum board
US11338548B2 (en) 2005-06-09 2022-05-24 United States Gypsum Company Light weight gypsum board

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380876A1 (en) * 1977-02-18 1978-09-15 United States Gypsum Co PLASTER WALL PANEL AND ITS PREPARATION
US11884040B2 (en) 2005-06-09 2024-01-30 United States Gypsum Company Light weight gypsum board
US9802866B2 (en) 2005-06-09 2017-10-31 United States Gypsum Company Light weight gypsum board
US11338548B2 (en) 2005-06-09 2022-05-24 United States Gypsum Company Light weight gypsum board
US9840066B2 (en) 2005-06-09 2017-12-12 United States Gypsum Company Light weight gypsum board
US11306028B2 (en) 2005-06-09 2022-04-19 United States Gypsum Company Light weight gypsum board
US10406779B2 (en) 2005-06-09 2019-09-10 United States Gypsum Company Light weight gypsum board
US10407345B2 (en) 2005-06-09 2019-09-10 United States Gypsum Company Light weight gypsum board
US10464847B2 (en) 2012-10-23 2019-11-05 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US10875935B2 (en) 2012-10-23 2020-12-29 United States Gypsum Company Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products
US11135818B2 (en) 2012-10-23 2021-10-05 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US11168030B2 (en) 2012-10-23 2021-11-09 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US10399899B2 (en) 2012-10-23 2019-09-03 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US9828441B2 (en) 2012-10-23 2017-11-28 United States Gypsum Company Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products
US9540810B2 (en) 2012-10-23 2017-01-10 United States Gypsum Company Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto
US10919808B2 (en) 2017-07-18 2021-02-16 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11008257B2 (en) 2017-07-18 2021-05-18 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US11773020B2 (en) 2017-07-18 2023-10-03 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto
US12371374B2 (en) 2017-07-18 2025-07-29 United States Gypsum Company Gypsum composition comprising uncooked starch having mid-range viscosity, and methods and products related thereto

Also Published As

Publication number Publication date
FR2220639B1 (en) 1980-03-28

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Legal Events

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