Molding process and apparatus for transferring plural molds to p

Details Molding process and apparatus for transferring plural molds to p Molding process and apparatus for transferring plural molds to p

1989-07-27

1991-12-24

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 405, 264 406, 2642972, 425135, 425144, 425150, 425160, 425575, 425588, B29C 4576

Patent

active

050750518

ABSTRACT:
A molding apparatus transfers plural molds in succession through a temperature elevating step, an injection molding step, pressurized cooling step and a molded article removing step. The apparatus is provided with plural cooling presses for the pressurized cooling step and so constructed as to prevent the stagnation in the transfer of the molds according to the molding conditions and the number of molds.

REFERENCES:
patent: 3833329 (1974-09-01), Ulmachneider et al.
patent: 4128384 (1978-12-01), Albright
patent: 4519761 (1985-05-01), Kenmochi et al.
patent: 4575328 (1986-03-01), Fierkens et al.
patent: 4690626 (1987-09-01), Krzepinski

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