Press for producing shaped parts from powder material

Details Press for producing shaped parts from powder material Press for producing shaped parts from powder material

2008-01-15

2008-01-15

Gupta, Yogendra N (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Means for molding powdered metal

C425S135000, C425S150000, C425S412000

Reexamination Certificate

active

10936630

ABSTRACT:
A press for producing shaped parts of powder material has lifting rods and a transverse part mounted on the lifting rods. A top punch holder is connected to the transverse part. A top punch is mounted in the top punch holder. An eccentric drive acting on the top punch through the lifting rods and the transverse part is provided. The transverse part has an actuating drive acting on the top punch, wherein the actuating drive at least partially compensates an elastic expansion of the press occurring during a pressing stroke.

REFERENCES:
patent: 4260346 (1981-04-01), Anderson et al.
patent: 4946634 (1990-08-01), Shaner
patent: 5692405 (1997-12-01), Kirii
patent: 6156265 (2000-12-01), Sugimoto
patent: 2004/0195715 (2004-10-01), Grobl et al.
patent: 19846210 (2000-04-01), None
patent: 1074380 (2001-02-01), None
patent: 2053074 (1981-02-01), None

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