Pipe shut off tool

Details Pipe shut off tool Pipe shut off tool

2006-04-25

2006-04-25

Jones, David B. (Department: 3725)

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

C072S326000, C072S367100, C072S453030, C072S413000

Reexamination Certificate

active

07032429

ABSTRACT:
A pipe shut off tool is provided which may comprise a jaw that may be engaged to a defective pipe and a pump operative to translate the jaw between a crimping position and a release position. The jaw and pump may be connected to each other via an elongate flexible hose such that the jaw may inserted into a compact space and engage the pipe located therein and the pump may be placed outside of the compact space near the operator such that the tool operator may translate the jaw to the crimping position from outside the compact space.

REFERENCES:
patent: 3017905 (1962-01-01), Klein
patent: 3937050 (1976-02-01), Nicholson
patent: 4231246 (1980-11-01), Gorenc et al.
patent: 4242903 (1981-01-01), Ledford et al.
patent: 4790168 (1988-12-01), Vonthien
patent: 5042757 (1991-08-01), Jenkins et al.
patent: 5381686 (1995-01-01), Thorup
patent: 5437177 (1995-08-01), Orcutt et al.
patent: 5666848 (1997-09-01), Burns

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