Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Patent
1976-09-01
1978-03-07
Kucia, Richard R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Of inorganic materials
264 42, 264 62, 264129, 264133, B29D 906, B29D 2700
Patent
active
040780287
ABSTRACT:
A novel manufacturing method wherein the material has water-insoluble and moisture-absorbing properties, is noncombustible and smokeless, and comprises a pattern-surfaced base material, composed of a mixture of foamed inorganic substances and inorganic adhesive which renders the inorganic substances water-insoluble, shaped by molding the mixture under heating and pressure, and a coating of glaze material applied to the base material and having a multitude of micropores formed thereon. The method consists of mixing foamed inorganic substances with inorganic adhesive of a character which renders the inorganic substances water-insoluble, molding the mixture under heating and pressure to a pattern-surfaced base material, applying a coating of engobe material to the surface of the base material and then a coating of glaze material, and obtaining a product having a multitude of micropores formed thereon through a baking process.
REFERENCES:
patent: 1682675 (1928-08-01), Horfield
patent: 3689611 (1972-09-01), Hardy
patent: 3728209 (1973-04-01), Sugaike
patent: 3957501 (1976-05-01), Matsuda
patent: 3976728 (1976-08-01), Hawthorne
patent: 4000241 (1976-12-01), Dunn
Kucia Richard R.
Showa Vermiculite Kabushiki Kaisha
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