Radially expansible collet for a tubular sleeve

Details Radially expansible collet for a tubular sleeve Radially expansible collet for a tubular sleeve

1976-06-28

1978-07-18

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 464, 242 466, 242 72B, B65H 5474, B65H 7530, B65H 7900

Patent

active

041010850

ABSTRACT:
A radially expansible supporting collet for a tubular light-weight sleeve upon which a continuous filament, yarn, or roving may be wound. The collet comprises a plurality of axially extending, sleeve contacting bars carried on a generally cylindrical body which is rotated on its normal axis. At least one generally annular, closed, pneumatically expansible bladder is carried by and rotates with the body. The bladder is located inwardly of the bars and may be connected to a source of air under pressure. When the bladder is expanded by the air, it presses outwardly against the bars to move them radially outwardly against the interior of the sleeve in order to hold the sleeve concentric with the axis of the body, to prevent its axial movement and to transmit torque to the sleeve.

REFERENCES:
patent: 2537492 (1951-01-01), Tidland
patent: 3048345 (1962-08-01), Willard
patent: 3289966 (1966-12-01), Richel
patent: 3391878 (1968-07-01), Naccara
patent: 3871592 (1975-03-01), Kallenborn
patent: 3908926 (1975-09-01), Ochs et al.
patent: 3945583 (1976-03-01), Ochs et al.

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