Process for agglomerating compressible mineral substances under

Details Process for agglomerating compressible mineral substances under Process for agglomerating compressible mineral substances under

1974-12-31

1977-06-07

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

264332, 264333, 264DIG43, B28B 126, B28B 300

Patent

active

040284549

ABSTRACT:
The invention pertains to a process for agglomerating compressible powders, particles or fibres of mineral substances, said process comprising the steps of placing at least one layer of a steam and gas pervious product on a layer of said compressible substances in which the water content is such that, after vaporization, a sufficient amount of water is still present to ensure the desired chemical reaction, then subjecting the layers to the simultaneous action of pressure and heating.

REFERENCES:
patent: 1048616 (1912-12-01), Wheeler
patent: 1048616 (1912-12-01), Wheeler
patent: 1528908 (1925-03-01), Bleininger
patent: 1666936 (1928-04-01), Kern
patent: 2288047 (1942-06-01), Sullivan et al.
patent: 2573141 (1951-10-01), Heinrich
patent: 2581652 (1952-01-01), Goss
patent: 2603570 (1952-07-01), Bole
patent: 2655458 (1953-10-01), Collins
patent: 3431331 (1969-03-01), Pincus et al.
patent: 3655847 (1972-04-01), Morgan

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