Metal working – Means to assemble or disassemble – Coupling to conduit
Patent
1976-12-30
1977-10-25
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Coupling to conduit
29238, 29256, 269 43, B23P 1904
Patent
active
040549844
ABSTRACT:
A tool for joining and separating plastic pipe and their fittings employs a pair of clamps which are secured adjacent the ends of the pipe sections. The clamps in turn are slidable on a frame and operated by a toggle-type linkage which moves the clamps and pipe sections and fittings axially toward or away from each other.
REFERENCES:
patent: 1793560 (1931-02-01), Schmieder
patent: 3364555 (1968-01-01), Swink
patent: 3597776 (1971-08-01), Saunders
patent: 3727289 (1973-04-01), Bemelmann et al.
patent: 3831256 (1974-08-01), Bjalme et al.
Ball Charles E.
Ball Dorothy P.
Jones Jr. James L.
Nemmers James C.
Simmons Haven E.
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