Title:
TIRE MOLD AND PRODUCTION METHOD OF TIRE MOLD
Document Type and Number:
Japanese Patent JP2018086812
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To facilitate correction of a molding mold of a tire mold, for reducing deformation of the molding mold.SOLUTION: A holding body 40 holds a molding mold 30 to an attachment surface 44 to which the molding mold 30 is attached. Plural bolts 5 attach the molding mold 30 to the holding body 40 in a state of pulling the molding mold toward the holding body 40, for correcting deformation of the molding mold 30. The molding mold 30 comprises: a contact surface 35 contacting the attachment surface 44; a protrusion row 37 formed of plural protrusions 36 arranged in a tire circumferential direction with an interval provided therebetween; and a screw hole 38 formed in the protrusion 36. The holding body 40 comprises: recess parts 45 for storing the protrusion 36 of the molding mold 30; and insertion holes 46 which are opened on a bottom surface of the recess part 45 and into which the screw part 5A of the bolt 5 is inserted.SELECTED DRAWING: Figure 2
Inventors:
MAEDA TOSHIYUKI
Application Number:
JP2016231846A
Publication Date:
June 07, 2018
Filing Date:
November 29, 2016
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B29C33/02; B29C35/02
Domestic Patent References:
| JP2015223757A | 2015-12-14 | |||
| JP2014162099A | 2014-09-08 | |||
| JP2016089247A | 2016-05-23 | |||
| JP2003200428A | 2003-07-15 | |||
| JP5579292B1 | 2014-08-27 |
Attorney, Agent or Firm:
Keiji Nemoto