Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1975-07-15
1976-12-28
Steiner, Arthur J.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291963, 291966, 29199, B32B 1518, B32B 1520
Patent
active
039999556
ABSTRACT:
There is disclosed a material useful for making lead frames which comprises a core of ferritic stainless steel electroplated with a first layer of copper and an outside layer of nickel or tin, after which the strip is precision rolled to final gauge.
REFERENCES:
patent: 2490700 (1949-12-01), Nachtman
patent: 3076260 (1963-02-01), Roehl
patent: 3249409 (1966-05-01), McLeod
patent: 3749558 (1973-07-01), Dillenschneider
Gray Thomas H.
Martin Jack P.
Allegheny Ludlum Industries, Inc.
Dropkin Robert F.
Gioia Vincent G.
Steiner Arthur J.
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