Method of making a ceramic ornament having short undercuts on su

Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se – Utilizing surface to be reproduced as an impression pattern

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264635, B29C 3340

Patent

active

060106557

ABSTRACT:
A method of making a ceramic ornament having short undercuts on a surface. A primary clay body is molded into a primary resin body by a silicone mold assembly. The primary resin body is then used to make upper and lower silicone mold assemblies. After slip is poured into the silicone mold assemblies, the plaster molding members will absorb moisture in the slip. Two clay body portions having a predetermined thickness are formed into shape. After removing the molding members and coating the connection line of the clay body portions with slip, the two silicone mold assemblies are combined. The two silicone mold assemblies will be formed into a complete figurative body upon the slip being dried. The figurative body is then fired at a high temperature so as to obtain a ceramic ornament having short undercuts and decorative threads on a surface.

REFERENCES:
patent: 3816572 (1974-06-01), Roelofs
patent: 4808360 (1989-02-01), Natori et al.
patent: 5169578 (1992-12-01), Fukao
patent: 5190702 (1993-03-01), Johnson
patent: 5298213 (1994-03-01), Shyu

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