Forging die apparatus

Details Forging die apparatus Forging die apparatus

2006-05-16

2006-05-16

Larson, Lowell A. (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

Forcing work into or within closed die; e.g., forging

C072S432000

Reexamination Certificate

active

07043955

ABSTRACT:
A forging die apparatus comprises a punch for applying a pressurizing force to a forging material arranged in a cavity, a cylindrical member installed to surround a part of outer circumference of the punch, for making displacement integrally with the punch, and a first ring member formed with a hole for forcibly inserting the cylindrical member therein when the punch applied the pressurizing force to the forging material.

REFERENCES:
patent: 1689500 (1928-10-01), Rode
patent: 2200609 (1940-05-01), Week Jr.
patent: 4030336 (1977-06-01), Grigorenko et al.
patent: 4426872 (1984-01-01), Gatny
patent: 4466266 (1984-08-01), Gardner et al.
patent: 61-255737 (1986-11-01), None
patent: 7-178493 (1995-07-01), None

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