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Patent Searching and Data


Title:
Raw tire molding equipment and a raw tire molding method
Document Type and Number:
Japanese Patent JP6315823
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a green tire molding apparatus effective for suppressing influence on a lead time and suppressing air entering.SOLUTION: A molding apparatus includes a molding drum 1 which has a winding surface 10 for winding a green tire constitution component including a side wall rubber C1 and cylindrically molding the same, and a transfer 2 which has a holding surface 21a for holding an outer peripheral surface of the cylindrical green tire constitution component molded by the molding drum 1 and transports the same. The holding surface 21a is provided with plural needle parts 3, and the winding surface 10 is provided with needle reception recesses 5 corresponding to the needle parts 3. When the cylindrical green tire constitution component molded by the molding drum 1 is held by the transfer 2, the needle part 3 is pierced into the side wall rubber C1 and is pressed to the needle reception recess 5, whereby an open hole can be formed on the side wall rubber C1.SELECTED DRAWING: Figure 4C

Inventors:
Motoyasu Ono
Application Number:
JP2014237543A
Publication Date:
April 25, 2018
Filing Date:
November 25, 2014
Export Citation:
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Assignee:
TOYO TIRE & RUBBER CO.,LTD.
International Classes:
B29D30/24
Domestic Patent References:
JP201235605A
JP2008126521A
JP201371433A
JP200894047A
Foreign References:
US20070084540
Attorney, Agent or Firm:
Unias International Patent Office