Puncture free tire tube, puncture free tire, and method for fitting tire tube to tire

摘要

A puncture free tire tube (C1) to be fitted under compressive deformation into a tube housing space (2) of an annular tire outer wall (1), which is detachably fitted to an annular rim (3), the puncture free tire tube (C1) contains a long member extrusion-molded with an elastomer as a raw material, and has a cross sectional area of from 1 to 1.3 times a cross sectional area of the tube housing space (2) of the tire outer wall (1) and a length corresponding to a circumferential length at a center of the cross section of the tire outer wall (1).