Apparatus for constricting or closing conduits

Details Apparatus for constricting or closing conduits Apparatus for constricting or closing conduits

1974-10-31

1976-02-10

Lanham, C. W.

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

72416, 72455, 100231, 166 55, 251 5, B21D 700

Patent

active

039370500

ABSTRACT:
An apparatus for constricting or closing a conduit comprises a pair of generally parallel clamp frames opening in the same direction and disposed at a separation such as to accommodate the conduit between them, the clamp frames being formed in one side of their opening with a recess in which fits a stationary clamp member and being secured on their other side to a fluid operated ram that actuates a movable clamp member towards the stationary clamp member. After operation of the ram the two clamp members are fastened together, eg by bolts, and then the ram is retracted. The clamp members can then be removed from the clamp frames.

REFERENCES:
patent: 1875673 (1932-09-01), Stockstill
patent: 2169113 (1939-08-01), Sheppard
patent: 3117615 (1964-01-01), Graven
patent: 3207406 (1965-09-01), Bowman
patent: 3249041 (1966-05-01), Johnson
patent: 3266287 (1966-08-01), Gill
patent: 3301035 (1967-01-01), Gill
patent: 3326029 (1967-06-01), Porter
patent: 3789689 (1974-02-01), Mace

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