GB479273A - Improvements in the process for preparing porous plates from cement and fibrous material on board-making machines - Google Patents

Improvements in the process for preparing porous plates from cement and fibrous material on board-making machines

Info

Publication number
GB479273A
GB479273A GB21124/37A GB2112437A GB479273A GB 479273 A GB479273 A GB 479273A GB 21124/37 A GB21124/37 A GB 21124/37A GB 2112437 A GB2112437 A GB 2112437A GB 479273 A GB479273 A GB 479273A
Authority
GB
United Kingdom
Prior art keywords
cylinder
cement
board
gas
producing agent
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
GB21124/37A
Other languages
English (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB479273A publication Critical patent/GB479273A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Producing Shaped Articles From Materials (AREA)
GB21124/37A 1936-08-22 1937-07-30 Improvements in the process for preparing porous plates from cement and fibrous material on board-making machines Expired GB479273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE479273X 1936-08-22

Publications (1)

Publication Number Publication Date
GB479273A true GB479273A (en) 1938-02-02

Family

ID=6542379

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21124/37A Expired GB479273A (en) 1936-08-22 1937-07-30 Improvements in the process for preparing porous plates from cement and fibrous material on board-making machines

Country Status (2)

Country Link
GB (1) GB479273A (enrdf_load_stackoverflow)
NL (1) NL44966C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL44966C (enrdf_load_stackoverflow)

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