Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1991-05-31
1993-03-16
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
264 28, 264234, 273216, B29C 6304, B29C 7104
Patent
active
051941910
ABSTRACT:
Thread--wound golf balls are prepared by winding a rubber thread around a frozen core to form a core ball, immediately thereafter microwave heating the core ball to thaw the core, and forming a cover over the core ball. Microwave heating causes the frozen core to be briefly thawed without heating the thread rubber layer and without moisture condensation on the core ball surface, reducing the time taken for the core thawing step and eliminating the need for a drying step.
REFERENCES:
patent: 3130974 (1964-04-01), Muccino
patent: 4554347 (1985-11-01), Hawkes, Jr.
patent: 4653758 (1987-03-01), Solheim
patent: 4783078 (1988-11-01), Brown et al.
patent: 4805914 (1989-02-01), Toland
patent: 4855553 (1989-08-01), Minobe
patent: 5006297 (1991-04-01), Brown et al.
Harada Jumei
Nomura Jun
Bridgestone Corporation
Eastley Brian J.
Silbaugh Jan H.
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