| 摘要 |
<p>PURPOSE:To display sufficient durable strength by integrally forming a flange at the end portion of a formed tube by the plural winding of resin impregnation fiber, and integrally embedding a reinforcing cloth having width in a radial direction in the flange in a circumferential direction. CONSTITUTION:A flange 3A is formed integral with the portion of the end 2A of a formed tube 2 by the plural winding of resin impregnation fiber 3. A reinforcing cloth 4 having width in a circumferential direction is embedded continually integrally in the central portion of the radial direction of the flange 3A. As a result, the sufficient durable strongness to the fastening by a bolt, etc., can be displayed.</p> |
