Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1975-10-17
1978-02-07
Lanham, C. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
165177, B23P 1526
Patent
active
040719340
ABSTRACT:
An integral fin/tube combination of extruded aluminum wherein the fins are shredded into parallel radial strips which are bent into alternately upwardly and downwardly peaked configurations. Shredding may be accomplished by means of a die set.
REFERENCES:
patent: 2347957 (1944-05-01), McCullough
patent: 3224503 (1965-12-01), Konanz
patent: 3333317 (1967-08-01), Shockley
patent: 3436948 (1969-04-01), Portal et al.
patent: 3659326 (1972-05-01), Keith
patent: 3695347 (1972-10-01), Chartet
Griewahn Carl O.
Zolman Junior O.
Brazeway, Inc.
Lanham C. W.
Rising V.
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