发明公开
- 专利标题: SOFT AND RESILIENT FORMED FILM
- 专利标题(中): 一种用于形成柔软而富有弹性的薄膜
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申请号: EP04719256.2申请日: 2004-03-10
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公开(公告)号: EP1601509A2公开(公告)日: 2005-12-07
- 发明人: COPAT, Marcelo, S. , TRIBBLE, Jim , SKOCHDOPOLE, Todd, R. , BOWER, Sean, W. , GRAY, Brian, F. , STONE, Keith, J.
- 申请人: Tredegar Film Products Corporation
- 申请人地址: 1100 Boulders Parkway Richmond, VA 23225 US
- 专利权人: Tredegar Film Products Corporation
- 当前专利权人: Tredegar Film Products Corporation
- 当前专利权人地址: 1100 Boulders Parkway Richmond, VA 23225 US
- 代理机构: Finck, Dieter
- 优先权: US452938P 20030310
- 国际公布: WO2004080341 20040923
- 主分类号: B26F1/26
- IPC分类号: B26F1/26 ; B29C59/00
摘要:
A dried soft and resilient formed film (46) is made by extruding a polymer (12) from a die (10) onto a rotating screen (14) supported by a block (24). A vacuum created at a vacuum block (16) by suctioning air at one or both ends of a vacuum tube (18) forms a microapertured film. A water stream (22) from a water jet nozzle (20) impinges on the film to form microprotuberances on the film. Water is removed from the film and collected in a drip pan (32) with a removal roller (30) and by blowing air through a tube (28) and exiting at a blower block (26). The soft and resilient film (42) is removed from the screen (14) by a roller (40) and dried in a drying apparatus (44).
公开/授权文献
- EP1601509B1 METHOD OF FORMING A SOFT AND RESILIENT FILM 公开/授权日:2010-11-10
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