Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1992-02-28
1994-10-18
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
273 58R, 273 60R, 521 54, 521 79, C08J 900
Patent
active
053569415
ABSTRACT:
A game ball core comprising a thermoplastic resin or blend of resins, a chemical blowing agent, a nucleating agent, peroxide crosslinking agent and other minor additives is disclosed. The molded cellular core is sufficiently durable to withstand a synthetic cover molding process at elevated temperatures.
REFERENCES:
patent: 4369257 (1983-01-01), Hoki et al.
patent: 5026736 (1991-06-01), Pontiff
patent: 5051531 (1991-09-01), Sanchez
Melvin Terence
Sullivan Michael J.
Kight III John
Lisco Inc.
Mosley T.
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