Punching die

Details Punching die Punching die

1996-09-18

1997-09-02

Peterson, Kenneth E.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83138, 83686, 8369891, B26F 114

Patent

active

056620160

ABSTRACT:
A punching die includes a punch body, a punch guide fitted on the punch body movably up and down with respect to the punch body, a punch head provided on a top portion of the punch body, and a gaseous spring provided between the punch body and the punch guide for pushing the punch guide downwardly with respect to the punch body. The gaseous spring is cylindrical and fitted on the punch body detachably, and includes a device for restricting a maximum length of the gaseous spring.

REFERENCES:
patent: Re29950 (1979-04-01), Bartha
patent: 1092274 (1914-04-01), Lindstedt
patent: 2268787 (1942-01-01), Wales
patent: 2732898 (1956-01-01), Taylor
patent: 2983176 (1961-05-01), Taylor
patent: 3101194 (1963-08-01), Hennells
patent: 3114280 (1963-12-01), Schott
patent: 4248111 (1981-02-01), Wilson et al.
patent: 4292869 (1981-10-01), Wallis
patent: 4316399 (1982-02-01), Wallis
patent: 4440052 (1984-04-01), Weisbeck
patent: 5410927 (1995-05-01), Omata et al.

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