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Title:
MANUFACTURE OF INORGANIC MOLDED PLATE
Document Type and Number:
Japanese Patent JP3480657
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To mold a thick three-tier structure inorganic molded plate.
SOLUTION: A back face layer A is formed by spreading a raw material for molding which is dry or has a content of moisture of 60% or less over a molding conveyor 23. In addition, an inorganic sheet-like material is formed by making a sheet of slurry 18 prepared by mixing a main raw material with water using a sheet making device 10, and the inorganic sheet-like material is roughly crushed by a rotor 30 for rough crushing and spreading and at the same time, the rough crushings are spread and laminated uniformly on the supper surface of the back face layer A to form an intermediate layer B. Further, on the upper surface of the intermediate layer B, the raw material for molding which is dry and has a content of moisture of 60% or less is spread as is the case with the back face layer A, to form a front face layer C. Thus a three-tier structured laminated inorganic mat 38 is formed and then is molded by compression using a roll press 3. After that, the laminated inorganic mat 38 is press-molded using the template of a flat plate press to form an uneven pattern on the surface of the mat 38. Finally, the inorganic molded plate is manufactured by thermally curing the mat 38.


Inventors:
Shiro Nakajima
Application Number:
JP7168797A
Publication Date:
December 22, 2003
Filing Date:
March 25, 1997
Export Citation:
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Assignee:
Nichiha Co., Ltd.
International Classes:
B32B13/04; B28B1/30; B28B1/52; B28B3/12; B32B13/02; (IPC1-7): B28B3/12; B28B1/52; B32B13/02
Domestic Patent References:
JP7314420A
JP245106A
JP5537435A
Attorney, Agent or Firm:
Muneo Kako