Lightguide preform chuck

Details Lightguide preform chuck Lightguide preform chuck

1982-11-10

1985-05-14

Weidenfeld, Gil

Chucks or sockets

With fluid-pressure actuator

Socket type

279 2R, 279 23R, 279 46R, 6537412, 269287, B23B 3116

Patent

active

045167877

ABSTRACT:
A lightguide preform chuck (15) comprises a collet (32) having a slotted conical end (36) and collet restraining means (40/42/45) in engagement with the collet ends but spaced from a collet mid-portion. The restraining means has a coefficient of thermal expansion less than that of the collet whereby under elevated temperature conditions the collet arches into gripping engagement with a lightguide preform held therein.

REFERENCES:
patent: 4347069 (1982-08-01), Haney et al.
patent: 4389231 (1983-06-01), Partus

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