Method for pressure molding objects of different resins

Details Method for pressure molding objects of different resins Method for pressure molding objects of different resins

1984-09-13

1987-10-20

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264 39, 2643288, 425130, B29C 4516

Patent

active

047012927

ABSTRACT:
The method and device of the present invention include an injection mold, an injection nozzle communicating with said injection mold via a single injection channel, a first feeding means for feeding a first resin to said nozzle and injection mold, a second feeding means for feeding a predetermined amount of a second resin to said nozzle and injection mold operative to leave second resin in said nozzle, and means to remove out of said nozzle the second resin left therein.

REFERENCES:
patent: 3339240 (1967-09-01), Corbett
patent: 3599290 (1971-08-01), Garner
patent: 3690797 (1972-09-01), Garner
patent: 3888612 (1975-06-01), Schrewe et al.
patent: 4052497 (1977-10-01), Monnet

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