Magnetic-type cassette with a pad having a polytetrafluoroethylene layer anchored to the open pores of a foam base
US5757593A · kind A · utility
3Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 4, 1996 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | Apr 4, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/08771
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.