Metal deforming – Process – Tube making or reshaping
Reexamination Certificate
2005-01-18
2005-01-18
Larson, Lowell A. (Department: 3725)
Metal deforming
Process
Tube making or reshaping
C072S370100
Reexamination Certificate
active
06843096
ABSTRACT:
Special steel press fittings are produced in two process steps, which can be performed simultaneously, or also one after the other. The cut to size blank is widened in a die is upset in order to form the desired pipe connection areas.
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Bauer Walter
Nägeler Jürgen
Viegener Walter
Larson Lowell A.
Witzig & Frank GmbH
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