CA983836A - Method of forming gypsum boards with hardened edges - Google Patents

Method of forming gypsum boards with hardened edges

Info

Publication number
CA983836A
CA983836A CA177,038A CA177038A CA983836A CA 983836 A CA983836 A CA 983836A CA 177038 A CA177038 A CA 177038A CA 983836 A CA983836 A CA 983836A
Authority
CA
Canada
Prior art keywords
gypsum boards
forming gypsum
hardened edges
hardened
edges
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
CA177,038A
Other languages
English (en)
Inventor
Howard B. Pearson
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.)
Johns Manville Corp
Original Assignee
Johns Manville Corp
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 Johns Manville Corp filed Critical Johns Manville Corp
Application granted granted Critical
Publication of CA983836A publication Critical patent/CA983836A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
    • B28B5/026—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length
    • B28B5/027—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously fed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Producing Shaped Articles From Materials (AREA)
CA177,038A 1972-07-24 1973-07-23 Method of forming gypsum boards with hardened edges Expired CA983836A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00274535A US3832250A (en) 1972-07-24 1972-07-24 Method of forming gypsum boards with hardening edges

Publications (1)

Publication Number Publication Date
CA983836A true CA983836A (en) 1976-02-17

Family

ID=23048599

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,038A Expired CA983836A (en) 1972-07-24 1973-07-23 Method of forming gypsum boards with hardened edges

Country Status (3)

Country Link
US (1) US3832250A (forum.php)
JP (1) JPS533404B2 (forum.php)
CA (1) CA983836A (forum.php)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32038E (en) * 1978-03-16 1985-11-26 Methods for manufacturing cementitious reinforced panels
USRE32037E (en) * 1978-03-16 1985-11-26 Methods for manufacturing cementitious reinforced panels
USRE31921E (en) * 1978-03-16 1985-06-25 Methods and apparatus for stacking cementitious reinforced panels
US4281952A (en) * 1978-03-16 1981-08-04 Clear Theodore E Methods and apparatus for stacking cementitious reinforced panels
US4203788A (en) * 1978-03-16 1980-05-20 Clear Theodore E Methods for manufacturing cementitious reinforced panels
FR2463669A1 (fr) * 1979-08-21 1981-02-27 Saint Gobain Dispositif autonettoyant pour la coulee du platre
US4420295A (en) * 1979-09-26 1983-12-13 Clear Theodore E Apparatus for manufacturing cementitious reinforced panels
US4450022A (en) * 1982-06-01 1984-05-22 United States Gypsum Company Method and apparatus for making reinforced cement board
US4711685A (en) * 1982-07-06 1987-12-08 Usg Acoustical Products Company Soft textured reveal edge ceiling board and process for its manufacture
JPH06143240A (ja) * 1992-11-11 1994-05-24 Yoshino Sekko Kk 石膏ボードの製造方法
CA2146277C (en) * 1994-05-25 2002-03-26 John L. Phillips Apparatus and method for manufacturing gypsum board
US6699426B1 (en) * 1999-06-15 2004-03-02 National Gypsum Properties, Llc. Gypsum wallboard core, and method and apparatus for making the same
ITRE20130061A1 (it) * 2013-08-09 2015-02-10 Sacmi Metodo e dispositivo per la riduzione degli sfridi laterali di polvere di uno strato di polvere che avanza su una superficie mobile di trasporto
US10639654B2 (en) 2016-07-06 2020-05-05 United States Gypsum Company Gypsum slurry application modifier
NL2018010B1 (en) 2016-12-16 2018-06-26 Innovative Stone Tech B V A method for manufacturing a slab
US10564081B2 (en) 2017-02-03 2020-02-18 United States Gypsum Company System and method for evaluating edge hardness of cementitious boards and system for stacking cementitious boards inlcuding same
DE102017007067A1 (de) * 2017-07-26 2019-01-31 Siempelkamp Maschinen- Und Anlagenbau Gmbh Verfahren und Vorrichtung zur Herstellung mineralstoffgebundener Platten
US10619363B2 (en) * 2017-09-29 2020-04-14 Revolutionice Inc. On-site drywall fabrication systems and related methods
DE102018218512B4 (de) * 2018-10-29 2021-11-11 James Hardie Europe Gmbh Verfahren und Vorrichtung zur Herstellung einer Gipsfaserplatte
ES2989071T3 (es) * 2018-12-19 2024-11-25 Knauf Gips Kg Método para producir placas de yeso laminado

Also Published As

Publication number Publication date
JPS533404B2 (forum.php) 1978-02-06
JPS4993406A (forum.php) 1974-09-05
US3832250A (en) 1974-08-27

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19930217