Core apparatus

Details Core apparatus Core apparatus

1978-06-23

1980-06-17

Flint, Jr., J. Howard

Static molds

Core

Of resilient material capable of flexure to aid removal of...

249184, 425470, 425405R, 164 45, 164245, B22C 700, B29C 300

Patent

active

042080290

ABSTRACT:
An annular member is integrally positioned within a core portion so that a side surface of the annular portion coacts with the outer surface of the core portion to form a substantially smooth and continuous outer surface of a core. A substantially inextensible portion of the annular member is joined in end-to-end relation to an elastomer portion of the annular member. An axial end portion of the elastomer portion is mechanically locked to the core portion.

REFERENCES:
patent: 2985938 (1961-05-01), Rappas
patent: 3343589 (1967-09-01), Holgl
patent: 3552480 (1971-01-01), Harris
patent: 3570585 (1971-03-01), Harris
patent: 3692551 (1972-09-01), Weaver
patent: 3883287 (1975-05-01), Grawey et al.

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