Expandable collet

Details Expandable collet Expandable collet

B - Operations, Transporting

65

H

242/74.1, 49/8.9

B65H 75/24 (2006.01)

Patent

CA 1082666

EXPANDABLE COLLET Abstract of the Disclosure A collet for winding strand material, such as glass strands, is disclosed. The collet is capable of expanding under fluid pressure to firmly grasp a tube on which the strand material is wound. The collet comprises a sealed chamber into which the fluid enters under pressure, a piston which is movable by the fluid pressure, expandable rings and inexpandable spacers between the rings and at the end of the set of rings opposite the piston; the piston, rings, and spacers being located along a common shaft and arranged such that fluid entering the chamber forces the piston towards the rings and spacers creating pressure on the expandable rings and expanding them to firmly grasp the covering tube.

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