RUN-FLAT SUPPORT BODY, PNEUMATIC TIRE WITH RUN-FLAT SUPPORT BODY, AND METHOD OF PRODUCING THE TIRE

摘要

A run-flat support body having an annular shell for supporting the tread section of a pneumatic tire when it is in a run-flat traveling state. The annular shell is a shell body bent in an annular shape and joined at both circumferential ends butted to each other. The shell body is constructed such that both butted circumferential ends are made to be in contact with each other by force acting in the butting direction.