| 摘要 |
<p>The assembly (10) has pipe flanges (14, 14') formed around and connected with an outer peripheral portion of a pipe section (12) e.g. coated aluminum pipe section. The pipe flanges comprise rotary bead portions (16, 16') that are extended around the outer peripheral portion. The pipe flanges are made of adhesive e.g. hot meltable plastic. The pipe section is made of plastic or metal. The pipe flanges are inserted into a peripheral groove (17) of the pipe section. The bead portion is formed of radially superimposed layers (18a-18c).</p> |
