Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1984-01-24
1985-10-08
Czaja, Donald
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
26432811, 26432816, B29F 100
Patent
active
045459525
ABSTRACT:
A mold apparatus for liquid injection molding machine which mold is dripless comprising a frame, four support posts mounted on the frame; a conduit for a liquid molding composition slightly mounted on the forward end of the frame having a front end and a rear end; a first plate means having passage means therein for the passage of the liquid molding composition and fixedly mounted on the forward end of said conduit and adapted to slide within support means and within said mold frame means located adjacent to the forward end of said frame, nozzle means at the end of said passage means of said first plate means at the rear end of said mold frame means and away from said conduit means and pin means slidably mounted in said mold frame means adapted to open and close said nozzle means and mold cavity means slidably mounted on said support means adapted to move toward and away from said nozzle means.
REFERENCES:
patent: 2878515 (1959-03-01), Strauss
patent: 3370324 (1968-02-01), Hehl
patent: 3591897 (1971-07-01), Perras
patent: 3819312 (1974-06-01), Arpajian
patent: 3880560 (1975-04-01), Takahashi
Plastics Mold Engineering Handbook, J. Harry DuBois & Wayne Pribble, Van Nostrand Reinhold Co., 1978, pp. 326-335, 371, 424.
Czaja Donald
Fischbach V.
General Electric Company
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