Tape cassette reel having a wing-type upper flange

Details Tape cassette reel having a wing-type upper flange Tape cassette reel having a wing-type upper flange

1989-12-07

1993-01-19

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

051801167

ABSTRACT:
A tape cassette reel includes a reel hub integrally formed with a wing shaped upper flange and a disc shaped lower flange by means of a molding apparatus having one or more sliding cores operable between upper and lower molds.

REFERENCES:
patent: 2574883 (1951-11-01), Medal
patent: 3064917 (1962-11-01), Roberts et al.
patent: 3695541 (1972-10-01), Lee

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