Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 1, 2008
Patent Application Number
11346223
Date Filed
February 3, 2006
Patent Primary Examiner
Patent abstract
A hydroforming machine characterized by a die 2 having an opening on the upper surface and a fluid tank 2a filled with fluid, a holder 3 being able to hold a periphery part between the die 2 and itself, a punch 4 being movable in a direction into or out for the fluid tank 2a, and a pressure controller 5 controlling the fluid pressure in the fluid tank 2a according to the position of the punch 4.
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