FR2443910A1 - Forming plaster board or similar material - by applying successive layers of dry binder, spraying with liquid, preforming and compacting - Google Patents

Forming plaster board or similar material - by applying successive layers of dry binder, spraying with liquid, preforming and compacting

Info

Publication number
FR2443910A1
FR2443910A1 FR7834926A FR7834926A FR2443910A1 FR 2443910 A1 FR2443910 A1 FR 2443910A1 FR 7834926 A FR7834926 A FR 7834926A FR 7834926 A FR7834926 A FR 7834926A FR 2443910 A1 FR2443910 A1 FR 2443910A1
Authority
FR
France
Prior art keywords
similar material
successive layers
preforming
compacting
spraying
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.)
Pending
Application number
FR7834926A
Other languages
French (fr)
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.)
ESPI BREVETS PARTICIPATIONS SA
Original Assignee
ESPI BREVETS PARTICIPATIONS SA
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 ESPI BREVETS PARTICIPATIONS SA filed Critical ESPI BREVETS PARTICIPATIONS SA
Priority to FR7834926A priority Critical patent/FR2443910A1/en
Priority to GB7926966A priority patent/GB2030507A/en
Priority to DE19792937357 priority patent/DE2937357A1/en
Publication of FR2443910A1 publication Critical patent/FR2443910A1/en
Pending 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
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • 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
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying
    • B28B7/465—Applying setting liquid to dry mixtures

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Producing Shaped Articles From Materials (AREA)

Abstract

Forming an element from a hardenable binder using added liq., e.g. plaster, comprises applying several successive layers of dry binder, by sprinkling, each deposit being subsequently wetted, then after the final wetting and before setting, while the wet binder is still malleable, the element is preformed, then compacted. Used in mfr. of building elements such as plates, tiles etc. in plaster or a similar material. Process avoids addn. of excess water which retards the setting time, so that shorter transporters can be used. Much less energy is needed for drying.
FR7834926A 1978-09-25 1978-12-12 Forming plaster board or similar material - by applying successive layers of dry binder, spraying with liquid, preforming and compacting Pending FR2443910A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7834926A FR2443910A1 (en) 1978-12-12 1978-12-12 Forming plaster board or similar material - by applying successive layers of dry binder, spraying with liquid, preforming and compacting
GB7926966A GB2030507A (en) 1978-09-25 1979-08-02 Casting articles
DE19792937357 DE2937357A1 (en) 1978-09-25 1979-09-13 METHOD AND SYSTEM FOR PRODUCING COMPONENTS AND THE LIKE FROM A HARDENING BINDING AGENT IN ADMINISTER OF A LIQUID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7834926A FR2443910A1 (en) 1978-12-12 1978-12-12 Forming plaster board or similar material - by applying successive layers of dry binder, spraying with liquid, preforming and compacting

Publications (1)

Publication Number Publication Date
FR2443910A1 true FR2443910A1 (en) 1980-07-11

Family

ID=9215977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834926A Pending FR2443910A1 (en) 1978-09-25 1978-12-12 Forming plaster board or similar material - by applying successive layers of dry binder, spraying with liquid, preforming and compacting

Country Status (1)

Country Link
FR (1) FR2443910A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR951985A (en) * 1946-12-05 1949-11-07 Dry process for dispensing powdery and fibrous materials or mixtures thereof
FR2057014A1 (en) * 1969-08-06 1971-05-07 Kalle Ag
DE2103931A1 (en) * 1968-09-02 1972-08-31 FERMA International Entwicklungswerk rationelle Fertigbaumethoden und Maschinen anlagen GmbH & Co KG, 7505 Etthngen Plant for the continuous manufacture of molded bodies, in particular plates, made of plaster of paris

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR951985A (en) * 1946-12-05 1949-11-07 Dry process for dispensing powdery and fibrous materials or mixtures thereof
DE2103931A1 (en) * 1968-09-02 1972-08-31 FERMA International Entwicklungswerk rationelle Fertigbaumethoden und Maschinen anlagen GmbH & Co KG, 7505 Etthngen Plant for the continuous manufacture of molded bodies, in particular plates, made of plaster of paris
FR2057014A1 (en) * 1969-08-06 1971-05-07 Kalle Ag

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