Title:
TIRE MOLDING DIE AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2016/125868
Kind Code:
A1
Abstract:
A tire molding die is provided with a plurality of sector molds (51) for molding a tread part of a tire, and a plurality of mold pins (60) for forming driving holes in the tread part, the mold pins (60) being provided to the sector molds. The driving holes are formed so as to each have a first hole part in which a body part of a stud pin is arranged, the first hole part having a first inside diameter, and a second hole part in which a bottom flange part of a stud pin is arranged, the second hole part having a second inside diameter. The mold pins each have a body part for forming the first hole part, the body part having a first outside diameter, and a distal-end part for forming the second hole part, the distal-end part having a second outside diameter larger than the first outside diameter. The first outside diameter of the body parts of end mold pins (60A) provided in end regions of a sector mold is larger than the first outside diameter of the body parts of intermediate mold pins (60B) provided in an intermediate region of the sector mold.
Inventors:
MATSUMOTO KENICHI (JP)
Application Number:
PCT/JP2016/053405
Publication Date:
August 11, 2016
Filing Date:
February 04, 2016
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD (JP)
International Classes:
B29C33/02; B29C35/02; B60C11/16
Foreign References:
| JP2013067192A | 2013-04-18 | |||
| JP2012096471A | 2012-05-24 | |||
| JP2014128886A | 2014-07-10 |
Other References:
See also references of EP 3254819A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Patent business corporation Sakai international patent firm (JP)
Patent business corporation Sakai international patent firm (JP)
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