Bowed cassette shim and method for making

Details Bowed cassette shim and method for making Bowed cassette shim and method for making

1982-01-07

1984-07-10

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

360132, G11B 1532, G11B 2304

Patent

active

044588585

ABSTRACT:
A method is described for forming a novel bowed shim for a cassette which includes impacting one surface of a sheet of polymeric material with particles until layer-like portions adjacent its surfaces are differentially expanded and the material is bowed, and then cutting the shim from the material.

REFERENCES:
patent: 3556433 (1971-01-01), Abitboul
patent: 3556434 (1971-01-01), Koeppe
patent: 3777311 (1973-12-01), Freixas
patent: 3804351 (1974-04-01), Kaneko et al.
patent: 3891159 (1975-06-01), Nelson
patent: 3942744 (1976-03-01), Fitterer et al.
patent: 4052522 (1977-10-01), Narita
patent: 4102515 (1978-07-01), Milants
patent: 4174080 (1979-11-01), Yamada
patent: 4201612 (1980-05-01), Figge et al.
W. Earl Hanley, Machine Design, Mar. 20, 1975, pp. 74-77.

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