Method and apparatus for manufacturing disk products having heli

Metal deforming – By use of closed-die and coacting work-forcer – With stripping or ejecting from tool

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Details

Other Related Categories

72345, 723556, 72359, B21D 4504

Type

Patent

Status

active

Patent number

059539500

Description

ABSTRACT:
A method and an apparatus for producing a disc product having a plane carng a relief and helical ridges on the outer peripheral side. The inventive production method and the apparatus therefor have enabled a continuous processing of a material mass to forge into, produce and push out a disc product while retaining the quality of the relief plane, and thereby facilitating production of the disc product by die forging.

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patent: 3910096 (1975-10-01), Debus
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patent: 4351177 (1982-09-01), Leykamm et al.
patent: 4918970 (1990-04-01), Ishinaga
patent: 4924690 (1990-05-01), Kanamaru et al.
patent: 5275046 (1994-01-01), Nagpal et al.
patent: 5295382 (1994-03-01), Furhmann

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