Injection molding method utilizing primary and secondary resin f

Details Injection molding method utilizing primary and secondary resin f Injection molding method utilizing primary and secondary resin f

1994-01-18

1995-05-23

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

With internal application of fluid pressure

2643287, 2643288, 26432812, 26432813, B29C 4500, B29D 2200

Patent

active

054179165

ABSTRACT:
A method and system for injection molding a hollow plastic article utilizing a secondary resin flow path which communicates one portion of an article-defining cavity with a second portion of the article-defining cavity. The second portion of the article-defining cavity is typically the hardest-to-fill area of the article-defining cavity. The secondary resin flow path is outside of the article-defining cavity and the normal flow of plastic resin.

REFERENCES:
patent: 5098637 (1992-03-01), Hendry
Rusch, K. C. "Gas-Assisted Injection Molding . . . The New Thermoplastic Molding Technology for Exterior Body Panels." Presented at a meeting of the society of Automotive Engineers, Mar. 2, 1989.

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