Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1983-08-12
1986-03-11
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
165178, 291574, 29520, 29508, B21D 5308
Patent
active
045744440
ABSTRACT:
The invention relates to a method for joining tubular parts of a heat exchanger that are inserted into each other, as well as to a tool for practicing the method.
REFERENCES:
patent: 3019520 (1962-02-01), Woolley
patent: 3921281 (1975-11-01), Hattori et al.
Burtch John T.
Goldberg Howard N.
Sueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG
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