Freeze-thaw stable stoneware tile and process for production the

Details Freeze-thaw stable stoneware tile and process for production the Freeze-thaw stable stoneware tile and process for production the

1983-12-27

1985-09-17

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

264 43, 264 44, 428332, B32B 310

Patent

active

045420580

ABSTRACT:
Freeze-thaw stable stoneware tile is provided, which possesses in its tile body a multiplicity of pores having a pore diameter of 0.6 micron or more and exhibiting no substantial capillary action and a multiplicity of continuous micropores having a pore diameter of 0.3 micron or less and exhibiting substantial capillary action. The relatively coarse pores are communicated with the micropores, and the micropores are communicated with the outside of the tile body. The tile is produced by compressing a mixture of a mineral flux material having a specific particle range and a plastic mineral material into a molded article having a packing rate of 0.68 or more, and then baking the molded article to a temperature at which the mineral flux material fuses.

REFERENCES:
patent: 2227770 (1941-01-01), Ungewiss
patent: 3132956 (1964-05-01), Lewis
patent: 3439450 (1969-04-01), Richards
patent: 3959541 (1976-05-01), King et al.
patent: 4184885 (1980-01-01), Pasco et al.

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