Molds for the production of dishes and the like from powdered ce

Details Molds for the production of dishes and the like from powdered ce Molds for the production of dishes and the like from powdered ce

1980-11-21

1982-06-15

Hoag, Willard E.

Static molds

Including static filling means in contact with mold cavity

249160, 249162, 425567, 425352, 425408, 425411, B29C 100, B29C 500, B29F 1022

Patent

active

043346634

ABSTRACT:
The invention relates to a mold for the production of dishes from powdered ceramic materials wherein two coaxial cylindrical dies are displaceable to generate with their end facing walls a cavity to be filled with the powdered ceramic materials, said cavity being peripherally completed by a displaceable die-box provided with a vertical conduit through which the ceramic material is fed into said cavity. An auxiliary die-box is provided sideways on said die-box, displaceable at least along one of said cylindrical dies, the lateral facing walls of said die-box and of said auxiliary die-box (16) being provided with annular grooves that in the closed condition of said lateral walls generate an annular cavity that may be registered in correspondence with said first-mentioned cavity of the mold, radially prolonging the latter and forming the peripheral border of the dish to be produced.

REFERENCES:
patent: 1575688 (1926-03-01), Joannides
patent: 1868425 (1932-07-01), Miller
patent: 2422809 (1947-06-01), Stupakoff et al.
patent: 2446872 (1948-10-01), Ehlers
patent: 2615229 (1952-10-01), Blackburn et al.
patent: 2627641 (1953-02-01), Steele et al.
patent: 3579739 (1966-05-01), Cosier

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