Orientated polymeric devices

Orientated polymeric devices

  • CN 101,730,551 B
  • Filed: 04/18/2008
  • Issued: 01/27/2016
  • Est. Priority Date: 04/19/2007
  • Status: Active Grant
First Claim
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1. a sleeve pipe for shape memory polymer material, wherein, described sleeve pipe comprise be positioned at described sleeve pipe inner surface area on first radial store stress, and be positioned at that second in the exterior surface area of described sleeve pipe is radial stores stress,Wherein, the quantity of described second radial direction storage stress is higher than the described first radial quantity storing stress, or the direction of the described second radial storage stress is contrary with the direction that described first radial direction stores stress.

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