发明授权
US06517575B1 Multilayer liquid absorption and deformation devices 失效
多层液体吸收和变形装置

  • 专利标题: Multilayer liquid absorption and deformation devices
  • 专利标题(中): 多层液体吸收和变形装置
  • 申请号: US09609584
    申请日: 2000-06-30
  • 公开(公告)号: US06517575B1
    公开(公告)日: 2003-02-11
  • 发明人: Dachuan YangLixiao Wang
  • 申请人: Dachuan YangLixiao Wang
  • 主分类号: A61F206
  • IPC分类号: A61F206
Multilayer liquid absorption and deformation devices
摘要:
A multilayer device comprised of at least one layer of material which is capable of absorbing liquid to thereby increase the volume of the layer, i.e., liquid swellable, and when bound to at least one non-absorbing or lesser absorbing layer of material causes deformation of the device upon liquid absorption.
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