Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Patent
1981-08-10
1984-03-20
Parrish, John A.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Of inorganic materials
264 63, B29J 100
Patent
active
044380550
ABSTRACT:
A ceramic article is made by shaping, drying and firing a body shaped from a mixture of clay and an organic fraction. The organic fraction is derived from domestic waste by separation of metal parts, coarse material and material in sheet form. The proportion of clay in the mixture is 40 to 65% by weight and the clay contains more than 10% by weight of particles of size greater than 2.mu..
REFERENCES:
patent: 2242434 (1941-05-01), Norton
patent: 3297801 (1967-01-01), Komad
patent: 3591393 (1971-07-01), Rankine
Esmil B.V.
Hoeke Engineering, N.V.
Parrish John A.
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