Method of manufacturing lined tubing

Method of manufacturing lined tubing

  • CN 101,403,450 A
  • Filed: 10/06/2008
  • Published: 04/08/2009
  • Est. Priority Date: 10/02/2007
  • Status: Active Application
First Claim
Patent Images

1. method of making pipe fitting, described method comprises:

  • Base material band and lining material band are configured as the pipe fitting that is built-in with lining jointly;

    The edge that engages the base material band is to form the seam between described edge.

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