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Draw-form for exhaust components and method of manufacture

  • US 20060059683A1
  • Filed: 07/19/2005
  • Published: 03/23/2006
  • Est. Priority Date: 07/19/2004
  • Status: Abandoned Application
First Claim
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1. A tubular member comprising:

  • an outer wall; and

    a draw-form formed in said outer wall, said draw-form comprising;

    a substantially flat bottom portion;

    a plurality of walls extending upwardly from said bottom portion and attached to said outer wall; and

    wherein said walls are configured in a polygonal orientation.

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