Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1978-01-16
1979-05-15
Mautz, George F.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 72R, B65H 7530
Patent
active
041544129
ABSTRACT:
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.
REFERENCES:
patent: 2433304 (1947-12-01), Stream
patent: 2705111 (1955-03-01), Bruestle
patent: 2890001 (1959-06-01), Triquet
patent: 3127124 (1964-03-01), Tidland et al.
patent: 3371877 (1968-03-01), Klink et al.
patent: 3394902 (1968-07-01), Hise et al.
patent: 3448937 (1969-06-01), Beck
patent: 3813051 (1974-05-01), Miller
Briar Thomas J.
Reese Walter J.
Leipold Paul A.
Mautz George F.
McDonald Alan T.
PPG Industries Inc.
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