发明授权
- 专利标题： Method and apparatus for preventing creases in thin webs
- 专利标题（中）： 用于防止薄腹板褶皱的方法和装置
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申请号： US959920申请日： 1997-10-29
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公开(公告)号： US5979731A公开(公告)日： 1999-11-09
- 发明人: Michael Long , James Arthur White
- 申请人： Michael Long , James Arthur White
- 申请人地址： NY Rochester
- 专利权人： Eastman Kodak Company
- 当前专利权人： Eastman Kodak Company
- 当前专利权人地址： NY Rochester
- 主分类号： B65H23/24
- IPC分类号： B65H23/24 ; B65H23/32 ; B65H23/34 ; B65H20/14
摘要：
Method and apparatus for removing temporary longitudinal wrinkles (29) from a thin or ultra-thin moving web (11) in a web conveyance machine by bending the web through preferably at least 90 degrees around a cylindrical small-radius air bar (13, 35, 39, 61, 63, 65, 73, 79) and for preventing permanent creases from forming in the web by disposing the air bar with the wrinkle-free web in close proximity to the surface of a contact roller (33, 53, 67, 71) and transferring the moving web across a gap (62) of preferably 1 mm or less between the air bar and the contact roller.
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