Metal deforming – With randomly-actuated stopping – Responsive to condition of work or product
Reexamination Certificate
2006-06-06
2006-06-06
Crane, Daniel C. (Department: 3725)
Metal deforming
With randomly-actuated stopping
Responsive to condition of work or product
C072S336000, C072S334000, C072S404000
Reexamination Certificate
active
07055353
ABSTRACT:
A progressive stamping die system and method of operation providing dimensionally accurate flat stamped parts. A biasing mechanism is provided in actual alignment with a coin punch member in order to accurately control the configuration and planar accuracy of the stamped parts being formed.
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patent: 4733552 (1988-03-01), Lefils
patent: 4839952 (1989-06-01), Yokoyama
patent: 5016461 (1991-05-01), Walker et al.
Artz John A
Artz & Artz
Crane Daniel C.
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