Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Patent
1988-03-10
1990-07-31
Herbert, Thomas J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
428188, 428343, 428412, 428458, 428480, 428900, 428906, B32B 1508, B32B 2736
Patent
active
049449958
ABSTRACT:
The tape having a surface with a low coefficient of friction consists of a conformable substrate manufactured of polycarbonate or mylar. Rods of alumina, having cylindrical cross section, are adhesively bonded to the substrate. These rods are parallel to each other, spaced apart at regular intervals and oriented lengthwise across the narrow dimension of the tape. The cylinders of alumina are tapered at both ends so that there is a smooth transition at either edge of the tape. The cylinders of alumina having a very low coefficient of friction and an extremely long lifetime, to thereby provide a surface with a low coefficient of friction for the tape transport path of a magnetic tape drive.
REFERENCES:
patent: 3228822 (1966-01-01), Norman
patent: 3386527 (1968-06-01), Daubert et al.
patent: 3517805 (1970-06-01), Gould
patent: 4223053 (1980-09-01), Brogan
patent: 4443510 (1984-04-01), Watt
patent: 4671983 (1987-06-01), Burt
patent: 4753841 (1988-06-01), Noel et al.
Herbert Thomas J.
Storage Technology Corporation
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