Molding apparatus

Details Molding apparatus Molding apparatus

1978-10-10

1982-03-09

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264255, 2643288, 26432813, B29F 106

Patent

active

043188745

ABSTRACT:
A molding apparatus is provided for molding one or more liquid molding materials, such as thermoplastic or thermosetting resins and the like which are controllably flowed into a closed mold cavity wherein the instant rate of flow and pressure of the molding material are predeterminately varied during a molding cycle so as to control and predetermine the shape and physical characteristics of the articles molded thereby. In one form, a closed loop automatic control system is employed to predeterminately control and vary the rate of flow of molding material to a mold cavity so as to optimize the molding procedure and predetermine the physical characteristics of the molded article.

REFERENCES:
patent: 2337550 (1943-12-01), Crosby

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