Preform, hydroforming method, and hydroformed product

Details Preform, hydroforming method, and hydroformed product Preform, hydroforming method, and hydroformed product

2008-06-26

2009-11-10

Jones, David B (Department: 3725)

Metal deforming

By application of fluent medium, or energy field

Using fixed die

C228S112100, C228S114000, C228S157000, C228S181000, C228S190000, C029S421100, C029S897200

Reexamination Certificate

active

07614271

ABSTRACT:
A preform with edges overlapped and jointed each other and first and second outer members for forming outer surfaces of a hydroformed product, and reinforcement members that are jointed to the first and second outer members to form reinforcement ribs that divide a hollow cross section of the outer surfaces, the reinforcement members having dimensions capable of suppressing elongation in a tensile direction due to a tensile force that develops during hydroforming.

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patent: 2004-160485 (2004-06-01), None

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