公开(公告)号：US10239268B2

公开(公告)日：2019-03-26

申请号：US14377674

申请日：2013-02-12

Applicant: BRIDGESTONE CORPORATION

Inventor： Takahiro Uchida

IPC: B60C15/024 ,  B60C15/06 ,  B29D30/06 ,  B60C13/02

Abstract: Provided are: a tire mold including a bead portion molding surface for molding the bead portion of the tire, the bead portion molding surface having a ridge molding part including a recessed groove extending in the mold radial direction, the ridge molding part being formed in a flange contact portion molding region for molding a rim-flange contact portion of the tire; and a pneumatic tire, in which a bead filler has the tire radial direction outer end positioned more inward in the tire radial direction relative to the rim line position, and a ridge forming portion including a ridge extending in the tire radial direction is formed on the outer surface of the bead portion, the ridge forming portion being positioned in the rim flange contact portion.

公开(公告)号：US20150027609A1

公开(公告)日：2015-01-29

申请号：US14377674

申请日：2013-02-12

Applicant: BRIDGESTONE CORPORATION

Inventor： Takahiro Uchida

IPC: B29D30/06 ,  B29D30/48 ,  B60C15/00

CPC classification number: B29D30/0606 ,  B29D2030/0612 ,  B29D2030/0616 ,  B29D2030/0617 ,  B60C13/02 ,  B60C15/024 ,  B60C15/0603 ,  B60C2015/0614 ,  Y10T152/10819

Abstract: Provided are: a tire mold including a bead portion molding surface for molding the bead portion of the tire, the bead portion molding surface having a ridge molding part including a recessed groove extending in the mold radial direction, the ridge molding part being formed in a flange contact portion molding region for molding a rim-flange contact portion of the tire; and a pneumatic tire, in which a bead filler has the tire radial direction outer end positioned more inward in the tire radial direction relative to the rim line position, and a ridge forming portion including a ridge extending in the tire radial direction is formed on the outer surface of the bead portion, the ridge forming portion being positioned in the rim flange contact portion.

Abstract translation: 本发明提供一种轮胎模具，其包括：胎圈部成型面，用于模制轮胎的胎圈部;胎圈部成型面具有脊部成型部，该胎圈部成形部具有在模具径向延伸的凹槽， 用于模制轮胎的轮缘 - 凸缘接触部分的凸缘接触部分成型区域; 以及充气轮胎，其中胎圈填料的轮胎径向外端相对于轮辋线位置在轮胎径向上更向内定位，并且在所述轮胎径向外侧上形成有在轮胎径向延伸的脊部的脊形成部 胎圈部分的外表面，脊形成部分位于轮缘凸缘接触部分中。