Fast thermal response mold

Details Fast thermal response mold Fast thermal response mold

1997-02-18

1998-03-10

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Including both heating and cooling means

249 79, 249 81, 249119, 425408, 425547, 425552, B29C 3504

Patent

active

057258910

ABSTRACT:
The invention is an improvement to mold frames having replaceable half-molds for forming golf balls. The invention is directed to dividing the flow path through the mold for the thermal medium into a plurality (2 to the number of cavity rows) of parallel flow paths, i.e., water entering the mold flows through only one row of half-molds.

REFERENCES:
patent: 2104673 (1938-09-01), Rieser et al.
patent: 3871811 (1975-03-01), Barry et al.
patent: 3876358 (1975-04-01), Farrell
patent: 4395222 (1983-07-01), Gaiser et al.
patent: 4508309 (1985-04-01), Brown
patent: 4558499 (1985-12-01), Brown
patent: 4786455 (1988-11-01), Krishnakumar et al.
"Injection Molding Handbook" by Rosato Copyright 1986 pp. 360-361, Fig 13-7, PTOSTIC.

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