Magnetic-type cassette with a pad having a polytetrafluoroethyle

Details Magnetic-type cassette with a pad having a polytetrafluoroethyle Magnetic-type cassette with a pad having a polytetrafluoroethyle

1996-04-04

1998-05-26

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Head accessory

G11B 1560

Patent

active

057575932

ABSTRACT:
In a cassette for a magnetic tape, which has a housing with a housing wall formed with an access opening for a magnetic head, and a tape-pressure device including a pressure-pad support and, arranged thereon, a pressure pad having an elastic base of a foam material, the foam material has open pores at the surface region which faces the magnetic tape during pressing and a polytetrafluoroethylene layer is anchored in the open pores.

REFERENCES:
patent: 3682486 (1972-08-01), Zwetzig et al.
patent: 3822835 (1974-07-01), Shore
patent: 4612593 (1986-09-01), Oishi
patent: 4669020 (1987-05-01), Shepherd et al.
patent: 4796135 (1989-01-01), Oishi
patent: 4922361 (1990-05-01), Bordignon
Fisher et al, RCA Techincal Notes No. 1124, "Sponge Pad Design For Tape Cartridge ", Aug. 11, 1975.

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