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Process and apparatus for producing a linkage of an air/fuel ratio detector holder to an exhaust pipe

  • US 6,092,285 A
  • Filed: 08/03/1998
  • Issued: 07/25/2000
  • Est. Priority Date: 08/02/1997
  • Status: Expired due to Fees
First Claim
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1. Process for producing a linkage of a hollow cylindrical air/fuel ratio detector holder to an exhaust pipe having an opening for admitting exhaust gas to an air/fuel ratio detector fastened in the holder, comprising providing a desired finished shape of the exhaust pipe through internal high-pressure remodeling of a blank pipe, and creating thereby a concave contact surface formed on a portion of the exhaust pipe so as to have an inverted contact contour shape complimentary to a convex casing surface of the detector holder.

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