Precision machinery component

Details Precision machinery component Precision machinery component

1980-05-27

1982-12-28

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360129, 36013024, G11B 1560, G11B 510

Patent

active

043665160

ABSTRACT:
Precision machinerycomponents such as a cylinder in a magnetic tape scanning apparatus, a cylinder base and/or a sub-chassis in a video tape recorder, etc. made of cured thermosetting resin composition comprising (A) a resin component comprising, particularly preferably, a terephthalic acid series unsaturated polyester resin, styrene and a saturated polyester resin, (B) an inorganic filler, and (C) short fibrous material such as carbon short fibers, have excellent dimensional accuracy and dimensional stability. When these precision machinery components are used, for example, in a video tape recorder, the same clear VTR picture as in the case of using those made of metal can be obtained.

REFERENCES:
patent: 3899795 (1975-08-01), Watanabe
patent: 4200895 (1980-04-01), Repp

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