Lightguide preform chuck

Details Lightguide preform chuck Lightguide preform chuck

B - Operations, Transporting

23

B

29/28

B23B 31/00 (2006.01) C03B 23/045 (2006.01) C03B 37/018 (2006.01)

Patent

CA 1213725

-12- LIGHTGUIDE PREFORM CHUCK Abstract A lightguide preform chuck comprises a collet having a slotted conical end and collet restraining means 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.

440706

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