Apparatus for clamping to the end of a pipe

Details Apparatus for clamping to the end of a pipe Apparatus for clamping to the end of a pipe

1987-05-20

1988-09-27

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

294 96, 294905, B66C 156

Patent

active

047736895

ABSTRACT:
Releasable spider-type clamping apparatus for clamping to the end of a pipe comprises a system including a normal industrial line connection between a supply and control unit and the spider and a controllable operating device on the spider itself for operating and adjusting the clamp members, at least for the purpose of releasing them in the event the normal industrial line connection fails, the operating device comprising a pressure medium system with at least one pressure medium storage device and a wireless remote control and/or manual system.

REFERENCES:
patent: 2203799 (1940-06-01), Shaffer
patent: 3310335 (1967-03-01), Shuey
patent: 3751932 (1973-08-01), Matthews
patent: 3842612 (1974-10-01), Arnold
patent: 3985384 (1976-10-01), Hahn
patent: 4050731 (1977-09-01), Coone et al.
patent: 4235469 (1980-11-01), Denny et al.
patent: 4320915 (1982-03-01), Abbott et al.
patent: 4526413 (1985-07-01), Williams

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