Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1982-11-29
1985-10-15
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
72225, 29130, 29125, B21B 2702
Patent
active
045465274
ABSTRACT:
A composite sleeve for use in a hot-rolling roll for H-section steel and channel steel comprises a working layer adapted to contact the material to be rolled and composed of two layers, i.e., a first outer layer made of one of adamite with graphite, spheroidal graphite cast iron and adamite having high resistance to sticking, and a second outer layer made of adamite or high chromium iron having high resistance to wear; and an inner layer adapted to be out of contact with the material and made of spheroidal graphite cast steel or spheroidal graphite cast iron having high toughness. The first outer layer covers the second outer layer, and the second outer layer covers the inner layer, the three layers of the first outer layer, the second outer layer and the inner layer being joined together by melting.
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Fukuda Masahiro
Fukushima Masanori
Miyazaki Noriyuki
Muramatsu Kenji
Narahara Tadashi
Burtch John T.
Goldberg Howard N.
Kubota Ltd.
Nippon Steel Corporation
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