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Title: Positive displacement molding of plastic parts

The present invention is a method and apparatus for molding plastic parts and placing and orienting reinforcing fibers within structurally thin sections. More specifically, the method of the present invention is a molding technique wherein positive displacement is applied to incremental sections of a charge (plastic mixed with reinforcing fibers), thereby sequentially forming the desired part and placing reinforcing fibers within structurally thin sections. The apparatus of the invention is a moveable ram that may be tapered and that is in contact with the charge during forming.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1463597
Assignee:
BATTELLE MEMORIAL INSTITUTE (Richland, WA) PNNL
Patent Number(s):
10,016,914
Application Number:
07/923,416
Contract Number:
AC06-76RL01830
Resource Relation:
Patent File Date: 1992 Jul 31
Research Org:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 42 ENGINEERING

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