Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1979-01-08
1981-03-17
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1904
Patent
active
042558433
ABSTRACT:
A thermoweld insertion device connectable to a pipe comprising a coupling means attachable to the pipe and having a sealable passageway extending through the coupling means and connecting with an opening in the pipe, and a thermoweld insertion support assembly comprising an outer hollow casing attachable to the coupling means, an inner hollow casing adjustably positionable inside said hollow casing and a thermoweld positioning rod insertable in the inner casing and extendable to the thermoweld coupling.
REFERENCES:
patent: 2770532 (1956-11-01), Mason
patent: 2870629 (1959-01-01), Willis
patent: 2972915 (1961-02-01), Milanovits et al.
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