US Patent 7703820 Bumper reinforcing cross-member
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Patent abstract
The invention relates to a bumper cross-member including an elongated body having a three-dimensional configuration formed from several metal sheet elements joined together by welding and shaped. The three-dimensional configuration has a non-uniform open transversal section along the body. The method includes joining several metal sheet elements together by welding in order to produce a flat tailored blank and shaping the tailored blank to produce the body. Shaping is carried out by hot or cold stamping. The several metal sheet elements can be joined either mutually adjacent or overlaid by different welding techniques, they can be of different of identical thicknesses and of the same type or different types of steel.
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Patent Inventor Names
Antonio Bacares0
Francesc Perarnau Ramos0
Julio Peidro Aparici0
Michel Garcia0
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US Patent 07703820 Bumper reinforcing cross-member US Patent 7703820 Bumper reinforcing cross-member
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Patent Number
077038200
Patent Number
77038200
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Patent Jurisdiction
Patent Number
077038200
Date of Patent
April 27, 2010
0Patent Application Number
119129510
Date Filed
April 29, 2005
0Official Website
Patent Primary Examiner
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US Patent 07703820 Bumper reinforcing cross-member
Infobox
Is a
Patent jurisdiction
Patent number
07703820
Date of patent
April 27, 2010
Patent application number
11912951
Date Filed
April 29, 2005
Patent primary examiner
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