Metal deforming – Process – Tube making or reshaping
Reexamination Certificate
2004-02-17
2008-11-25
Banks, Derris H. (Department: 3725)
Metal deforming
Process
Tube making or reshaping
C072S370250, C072S370140
Reexamination Certificate
active
07454942
ABSTRACT:
The invention relates to a hollow molded part with a closed cross-section and a reinforcement, wherein the hollow molded part is formed as a single piece and exhibits a blank mold,with the first region (1) with a first starting outer diameter (D1) and the starting wall thickness (b1), andat least a second region (2) with an outer diameter reducing in comparison to the starting outer diameter (D1) and having an increased wall thickness in comparison to the starting wall thickness (b1), wherein the increased wall thickness forms a reinforcement.
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Banks Derris H.
Bonk Teresa
fischer Hydroforming GmbH
Kasper Horst M.
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