B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 26/02 (2011.01) B21D 31/00 (2006.01)
Patent
CA 2401059
An aluminum extrusion material for hydraulic bulge forming, which can produce hydraulic bulge forming components possessing highly reliable and sufficient strength and rigidity capable of withstanding net only a static load, but also a twist load and dynamic load is provided. Also provided is a hydraulic bulge forming method using t he aluminum extrusion material for hydraulic bulge forming as a raw material. The aluminum extrusion material is hollow and used as a material for hydraulic bulge forming. The material is characterized by having a partition wall radially crossing the hollow part of the extrusion material, wherein the partition wall is provided with an allowance in length to become flat when the hollow part is formed into a prescribed shape by hydraulic bulge forming.
Hama Yasuyuki
Mizukoshi Hideo
Okada Hideto
Honda Giken Kogyo Kabushiki Kaisha
Marks & Clerk
LandOfFree
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