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Patent Searching and Data


Title:
TURN-UP DEVICE
Document Type and Number:
Japanese Patent JP2010274457
Kind Code:
A
Abstract:

To provide a turn-up device preventing bagginess and air entry failure of a turned-up part of a cylindrical rubber sheet.

The cylindrical rubber sheet 2 is held to the outer peripheral side of a drum 12. The end of the drum 12 is provided with a bead lock section 13 holding a sheet end 2a and a bead 3. A turn-up roller 14 is provided for extending and turning up the sheet end 2a held by the bead lock section 13. A pressing roller 16 is provided for pressing the sheet end 2a to the turn-up roller 14. The pressing roller 16 is freely movable in the center axis direction of the drum 12. The pressing roller 16 is biased to the turn-up roller 14 side. The sheet end 2a is held by the turn-up roller 14 and the pressing roller 16. The extended state is maintained until the sheet end 2a is fully turned up.


Inventors:
MASUDA YASUTOSHI
OGAMI SHUNICHIRO
UETSUBO KAZUHARU
Application Number:
JP2009127166A
Publication Date:
December 09, 2010
Filing Date:
May 27, 2009
Export Citation:
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Assignee:
TOYO TIRE & RUBBER CO
International Classes:
B29D23/00; B29C57/04; B29L23/00
Attorney, Agent or Firm:
Yasushi Oshima
Shuzo Hinode
Seiji Goto
Junko Ohara