发明名称 Method and apparatus for preventing creases in thin webs
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.
申请公布号 US5979731(A) 申请公布日期 1999.11.09
申请号 US19970959920 申请日期 1997.10.29
申请人 EASTMAN KODAK COMPANY 发明人 LONG, MICHAEL;WHITE, JAMES ARTHUR
分类号 B65H23/24;B65H23/32;B65H23/34;(IPC1-7):B65H20/14 主分类号 B65H23/24
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