To provide a thin sheet film take-up device capable of taking up a sheet member with uniform take-up hardness in taking up the sheet member having very low rigidity such as a very thin plastic at high speed during acceleration and deceleration.
A thin film sheet take-up device includes: a sheet winding drum; a take-up roll driven in pressure contact with the sheet winding drum; pressing force varying means for the take-up roll; and involved air amount control means capable of controlling the amount of air flowing into the vicinity of the contact position of the sheet winding drum and the take-up roll. At least one of the take-up roll pressing force and the involved air amount is controlled according to the driving speed of the sheet winding drum. Further, as the take-up roll pressing force varying means, a pressure roll-like member is disposed to secure the rigidity by increasing the internal pressure in the take-up roll and to pressurize the take-up roll from the outside, so that stable pressing force application to the take-up roll is achieved. In taking up a sheet member having very low rigidity at high speed during acceleration and deceleration, suitable and uniform take-up rigidity can be achieved.
| JPH1055800 | ELECTRODE WINDING DEVICE |
| JPH04169457 | FILM TENSION CONTROL DEVICE |
YAMAZAKI KATSUMASA
MATSUDA YUJI
OGASAWARA SHOGA
MORIMOTO YASUSHI
YUMIBA KENJI
| JPH06329308A | 1994-11-29 | |||
| JPH1053360A | 1998-02-24 | |||
| JPS5842543A | 1983-03-12 | |||
| JPS57105319A | 1982-06-30 | |||
| JPH034155U | 1991-01-16 | |||
| JP2003512268A | 2003-04-02 |
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