Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1972-09-05
1976-07-13
Lanham, C. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1526
Patent
active
039685543
ABSTRACT:
A heat exchanger having a tubular core around which a helical wire coil is wound, the helix being provided with a reinforcing edge capping wire.
REFERENCES:
patent: 877252 (1908-01-01), Stolp
patent: 1716743 (1929-06-01), Still
patent: 1775555 (1930-09-01), Dorndorf
patent: 1960305 (1934-05-01), Emmons et al.
patent: 2308319 (1943-01-01), Stanton
patent: 3217392 (1965-11-01), Roffelsen
Lanham C. W.
Naamloze Venootschap Spiro Research N.V.
Rising V. K.
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