Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Patent
1987-10-13
1989-04-18
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Of inorganic materials
264235, 264346, B29C 4326, B29C 4346, B29C 6720, B29C 7102
Patent
active
048225410
ABSTRACT:
Inorganic raw materials are heated and pressed in a kiln to produce a porous ceramic panel. The foaming body is first-pressed in a foaming step, and after the foaming step the first-pressed foamed body is second-pressed, in order to obtain superior dimensional accuracy and surface smoothness. The panels are applicable, for instance, to interior or exterior materials of various kinds of buildings such as prefabricated houses and shops.
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Soviet Inventions Illustrated, Section P,Q, week 83/31, Sep. 14, 1983; Derwent Publications Ltd., London p. 64; SU-961 960.
Imahashi Kazuo
Kitagawa Satoshi
Miyazawa Takatoshi
Nagai Satoru
Nagaya Yoshio
Intelhearts Co., Ltd.
Kutach Karen D.
National House Industrial Co., Ltd.
Silbaugh Jan H.
Takasago Industry Co., Ltd.
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