Process of manufacturing a one-piece molding from a dry ceramic

Details Process of manufacturing a one-piece molding from a dry ceramic Process of manufacturing a one-piece molding from a dry ceramic

1985-11-14

1987-12-15

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Plural, intermittent pressure applying

249 58, 264 56, 264109, B29C 4304

Patent

active

047132043

ABSTRACT:
A process for fabricating one-piece moldings from a dry ceramic mass, in particular crockery or china such as cups, pots, cans and the like having deep handles, grips, lugs or the like as well as a molding arrangement for carrying out this process. The molding arrangement includes a divided mold matrix and a divided punch which define between them a mold cavity into which a sprayed granular dry ceramic mass is fed. By the application of isostatic pressure via the punch the ceramic mass is molded. The molding is then removed by separating the halves of the punch and mold matrix and the molding is then subjected to a kilning step.

REFERENCES:
patent: 1885303 (1932-11-01), Slick
patent: 3357056 (1967-12-01), Reyburn

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