Chucks or sockets – Expanding – Collet type
Patent
1982-04-22
1985-03-05
Briggs, William R.
Chucks or sockets
Expanding
Collet type
242 72B, 279 2R, B23B 3140
Patent
active
045027030
ABSTRACT:
A power mandrel has a mandrel body extending along, generally centered on, and adapted to be rotated about an axis. A synthetic-resin tube generally centered on the axis, having angularly extending reinforcement fibers, and having opposite ends formed with respective axially oppositely opening grooves each having one radially outwardly directed flank spacedly surrounds this body and forms with it a pressurizable compartment. Respective rings on the body axially flank the tube and having axially projecting lips fitted to the grooves and each have one face engaging radially inwardly on the respective groove flank. The body, tube, and rings together form the pressurizable compartment. Respective adhesive bonds between each of the groove flanks and the respective lip face secure the tube in place on the body. Normally the flanks and faces are complementarily frustoconical and centered on the axis.
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patent: 2630039 (1953-03-01), Klemm
patent: 3032288 (1962-05-01), Tidland
patent: 3388916 (1968-06-01), Winnen et al.
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patent: 3908926 (1975-09-01), Ochs et al.
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patent: 4317577 (1982-02-01), Cameron
patent: 4319076 (1982-03-01), Piur
Briggs William R.
Dubno Herbert
Ross Karl F.
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