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
Patent
1983-05-18
1985-02-26
Lowe, James B.
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
264276, 425395, 425408, 425806, B29D 300
Patent
active
045017158
ABSTRACT:
Mold and method of compression molding shell half covers around a core to form golf balls. Opposed dies are pressed together such that some of the material trapped between the approaching dies is forced back into the mold to compensate for shrinkage and the remainder is forced outside of the die cavities where it can be drained off.
REFERENCES:
patent: 1202318 (1916-10-01), Roberts
patent: 2148079 (1939-02-01), Martin, Jr.
Barfield Gilbert
Hagopian Gary J.
Holland Donald S.
Lowe James B.
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