Apparatus for casting in molds for the production of ceramic hol

Details Apparatus for casting in molds for the production of ceramic hol Apparatus for casting in molds for the production of ceramic hol

1975-03-17

1977-08-23

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Female mold including tamping means or means utilizing mold...

Plural female molds

425 84, 425435, 425436R, 4254501, 425451, 425453, B28B 128

Patent

active

040437370

ABSTRACT:
A rotatable carriage for supporting split-type plaster molds for molding ceramic hollowware is disclosed, in which the molds are retained between two frames rotatable to a succession of positions in which the molds are retained in place between the framework of one of said frames and a dual cell inflatable member on the inner face of the other of said frames. The first of said frames includes a retaining member engaging the outer surface of said mold to prevent said mold from slipping relative to said frames. A new casting method is disclosed in which the slip is poured from the filled molds in at least two steps with the rotatable frames being rotated to a different position for each of said pouring steps.

REFERENCES:
patent: 832690 (1906-10-01), Morse
patent: 2361906 (1907-11-01), Anderson
patent: 3691266 (1972-08-01), Greenberg

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