Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1988-07-13
1990-07-10
Eley, Timothy V.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
72356, 7289334, B21D 5328
Patent
active
049398296
ABSTRACT:
A gear is manufactured by heating a blank up to a warm working temperature range, upsetting and piercing the blank through warm f=orging, forming gear teeth on the blank through warm extrusion to produce an intermediate blank which is substantially of a gear shape, and then finishing the gear teeth accurately through cold sizing. The gear can be manufactured highly accurately with a good yield without requiring other intermediate processes such as normalizing and shot blasting.
REFERENCES:
patent: 4797986 (1989-01-01), Yokoyama
patent: 4798077 (1989-01-01), Douglas
Kono Michitoshi
Maki Toshio
Miura Chiyoshi
Eley Timothy V.
Honda Giken Kogyo Kabushiki Kaisha
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