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US 2006/0185413 A1Published application
Hydroforming machine and a method of hydroforming
AssigneeToyota Jidosha Kabushiki Kaisha
InventorYasuhiro Nobata
Life of this patent
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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.
Claims4
A hydroforming machine molding a board shape blank having;
- a lower die having an opening on the upper surface and a fluid tank filled with fluid,
- an upper die being able to hold a periphery part between the lower die and the upper die,
- a movable object being movable in a direction into or out for the fluid tank, and
- a fluid pressure controller controlling the fluid pressure in the fluid tank according to the position of the movable object.
1 more element
A method for hydroforming a board shape blank by a hydroforming machine,
- wherein the hydroforming machine comprising;
- a lower die having an opening on the upper surface and a fluid tank filled with fluid,
- an upper die being able to hold a periphery part between the lower die and the upper die, and
- a movable object being movable in a direction into or out for the fluid tank,
- wherein the board shape blank has a dent approximately fitting with the tip of the movable object.
2 more elements
Dependencies are inferred from the claim text.