PROBLEM TO BE SOLVED: To provide a tubular body which effectively prevents slippage and is excellent in a gripping characteristic without deteriorating strength.SOLUTION: The tubular body 10 prepared by winding prepreg sheets comprising synthetic fibers f impregnated with a synthetic resin p and forming step portions with fastening tapes for tightening the prepreg sheets on the outer peripheral surface is characterized by having the first spirally extended step portion 20 and the second spirally extended step portion 22 on the outer peripheral surface and forming one of the first step portion 20 and the second step portion 22 at a smaller pitch than that of the other.COPYRIGHT: (C)2011,JPO&INPIT【課題】強度を損なうことなく、効果的に滑りを防止した握持性に優れる管状体を提供すること。【解決手段】強化繊維fに合成樹脂pを含浸したプリプレグシート巻回し、これらのプリプレグシートを締付ける緊締テープにより段部を外周面に形成した管状体10であって、外周面に、それぞれ螺旋状に延びる第1及び第2段部20,22を有し、第1段部20と第2段部22との一方は他方よりも小さなピッチで形成される管状体。【選択図】 図2
