Tape reel

Details Tape reel Tape reel

1988-07-25

1989-11-14

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

048801801

ABSTRACT:
A reel for magnetic recording tape having a hub with flange attachment areas and a pair of clear plastic flanges, each having contact surfaces complementary to the hub attachment areas, the contact surfaces each having a pair of radially spaced circumferential ridges which serve as energy directors to ultrasonically weld the flanges to the hub and which contain adhesive within the annular region between the ridges to secure the flanges to the hub and to prevent eventual contamination of the tape on the reel due to migration of the adhesive.

REFERENCES:
patent: 3088689 (1963-05-01), Perlini
patent: 3236473 (1966-02-01), Hultgren
patent: 3289965 (1966-12-01), Cuva
patent: 3327960 (1967-06-01), Hedin
patent: 3342435 (1967-09-01), Gelardi et al.
patent: 3438592 (1969-04-01), Posso
patent: 3819124 (1974-06-01), Marks et al.
patent: 4052020 (1977-10-01), Knox
patent: 4083508 (1978-04-01), Pattillo
patent: 4083509 (1978-04-01), Vasudeva et al.
patent: 4088278 (1978-05-01), Adair
patent: 4184650 (1980-01-01), Nelson et al.
patent: 4244535 (1981-01-01), Moodie
patent: 4564156 (1986-01-01), Cybulski

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