In-line rotational casting apparatus

Details In-line rotational casting apparatus In-line rotational casting apparatus

1980-01-07

1984-03-13

Derrington, James H.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Severing means is perforator

83 30, 83660, 141137, 198482, 198485, 425430, 425447, 425449, B29C 504

Patent

active

044365004

ABSTRACT:
Continuous hollow object casting machine comprises a plurality of chucks with means to convey the chucks through a helical path along a longitudinal, preferably a closed longitudinal, path, in the course of which the chucks are also rotated about an axis perpendicular to the primary helical path and the rate of movement there along being devised to permit substantially complete hardening of a molding material in molds carried by the chucks so that casts, with molten material therein, may be loaded at one end of the path and unloaded, with a hollow object molded therein, at the other end of the path. Auxiliary equipment which is also part of this invention includes an automatic filler, adapted to move along with lower mold halves carried on a loading conveyor during the movement thereof and dispense metered amounts of a molding composition or mixture, an automatic loader for receiving molds and mold retainers from the loading conveyor and transferring them to chucks on the casting machine, an automatic piercer for providing air escape holes from the molded object just after they have been formed, and means for synchronizing the movement of all of the foregoing apparatus and components.

REFERENCES:
patent: 2108067 (1938-02-01), Latinberg et al.
patent: 2696024 (1954-12-01), Mobley et al.
patent: 3115964 (1963-12-01), Logan
patent: 3191643 (1965-06-01), Roth
patent: 3838964 (1974-10-01), Hake
patent: 3880562 (1975-04-01), Hujik

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