Tool for closing pipe couplings

Details Tool for closing pipe couplings Tool for closing pipe couplings

1982-07-13

1984-11-20

Watson, Robert C.

Metal working

Means to assemble or disassemble

Coupling to conduit

29252, F16L 3500

Patent

active

044830564

ABSTRACT:
The invention relates to a tool for closing pipe couplings between metal pipes (4, 5), the end of one pipe (4) being closingly engageable in a widened terminal part (6) of the other pipe (5), a sleeve ring (7) being pressed axially on to the widened part over the end face thereof. According to the invention, two pressing jaws (1, 2) movable towards and away from one another parallel to the pipe axes are provided and are forked in the pipe engaging zone, the sleeve ring (7) being retained in one pressing jaw (1) while the other pressing jaw (2) engages by means of tongs-action clamping jaws (10) with the funnel-shaped constriction between the widened part of the pipe and the unwidened part thereof. The outer ends of the clamping jaws (10) take the form of half-shells (12) which are in laterally inverted relationship to one another and whose inner shell surfaces are adapted to the pipe periphery. Preferably, a pressure-medium-operated actuating element (34, 35) is provided for operative actuation of the pressing jaws (1, 2).

REFERENCES:
patent: 3270406 (1966-09-01), Gorman et al.
patent: 3299496 (1967-01-01), Christensen
patent: 4189817 (1980-02-01), Moebius
patent: 4257135 (1981-03-01), Moebius
patent: 4345361 (1982-08-01), Baumann

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