Mold for molding ceramic materials

Details Mold for molding ceramic materials Mold for molding ceramic materials

1990-03-06

1991-07-23

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

With foraminous or absorbent means for removal of vehicle or...

249134, B28B 126, B28B 734

Patent

active

050339508

ABSTRACT:
A porous, open-pore, hardened, plastic mold for shaping a ceramic article by any of various ceramic shaping methods. The mold is prepared by subjecting a water-in-oil emulsion to hardening in the desired mold shape without breaking the emulsion and then drying the hardened, shaped mold. The emulsion has incorporated in it any of sodium disilicate or disodium tetraborate to accelerate the shaping of the ceramic article in the mold. The emulsion may also have incorporated in it any of microbeads of glass, barite, quartz powder and powdered polymers to reduce the pure volume and increase the mechanical strength of the porous, open-pored hardened, plastic mold.

REFERENCES:
patent: 3256219 (1966-06-01), Will
patent: 3859421 (1975-01-01), Hucke
patent: 3929685 (1975-12-01), Jung
patent: 4284547 (1981-08-01), Sulick
patent: 4531705 (1985-07-01), Nakagawa et al.
patent: 4867662 (1989-09-01), Shimahara et al.
patent: 4908174 (1990-03-01), Will
patent: 4913684 (1990-04-01), Ito et al.

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