Supporting core for wound-up recording media

Details Supporting core for wound-up recording media Supporting core for wound-up recording media

1993-05-04

1995-04-11

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242610, 2426106, 2426134, B65H 7518

Patent

active

054051010

ABSTRACT:
A hollow-cylindrical supporting core for pancakes which is produced from recyclable plastic by injection molding is described, the arms, which may be angled off, which extend from the gating point and run to the inside diameter of the supporting core remaining in place after demolding of the injection mold and being suitable as holding grips for the supporting core.

REFERENCES:
patent: 2964174 (1960-12-01), Litchfield et al.
patent: 4883178 (1989-11-01), Thiele et al.
patent: 4919358 (1990-04-01), Innocenti, Sr. et al.

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