发明授权
- 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
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申请号: US09609584申请日: 2000-06-30
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公开(公告)号: US06517575B1公开(公告)日: 2003-02-11
- 发明人: Dachuan Yang , Lixiao Wang
- 申请人: Dachuan Yang , Lixiao Wang
- 主分类号: A61F206
- IPC分类号: A61F206
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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