Tape reel

Details Tape reel Tape reel

1985-07-29

1986-08-19

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242199, B65H 7514

Patent

active

046065113

ABSTRACT:
Double injection molding is used to form a tape reel of two different resins. One of the resins, which is harder-wearing and more expensive than the other, is used to form a projecting portion which, being subjected to constant pressure by a spring, is required to have good wear-resistance. The other resin is a cheaper, general-purpose type, and is used to form the other parts of the reel. By making it possible to use double injection molding to form the different parts of the reel simultaneously, the reel has few parts and assembly entails few operations, and will enable the material costs of the reel to be reduced.

REFERENCES:
patent: 4234137 (1980-11-01), Watanabe et al.
patent: 4452404 (1984-06-01), Gelardi et al.
patent: 4520969 (1985-06-01), Wulfing et al.
patent: 4523727 (1985-06-01), Morioka

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