Liquid or vapor conveying system with connecting zone formed from coextruded multi-layer composite material

Liquid or vapor conveying system with connecting zone formed from coextruded multi-layer composite material

  • CN 1,428,236 A
  • Filed: 12/27/2002
  • Published: 07/09/2003
  • Est. Priority Date: 12/28/2001
  • Status: Active Application
First Claim
Patent Images

1. carry the system of liquid or steam, comprise following parts:

  • I. annex,The bonding pad that the coextruded multilayer composite of II. free two-layer at least composition is made,III. ducted body,Wherein, parts I, II are connected with bonding mode each other with III.

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