Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1981-01-12
1982-11-30
Hall, Carl E.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291574, 291573B, 29517, 165177, 138115, 228904, 228173E, 228173F, 228183, B23P 1526
Patent
active
043609589
ABSTRACT:
Method of making multi-port heat exchangers wherein tubular members made of metal that does not well lend itself to being extruded into a plurality of passageways may be divided into multiple passageways by dividers inserted thereinto and adhered thereto.
REFERENCES:
patent: Re29331 (1977-08-01), Naito
patent: 1942824 (1934-01-01), McLeod
patent: 2396522 (1946-03-01), Modine
patent: 3198228 (1965-08-01), Naito
Hall Carl E.
Rising V. K.
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