| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a manufacturing method for a suction member which ensures airtightness and joining strength on the interfaces of a plurality of resin molded bodies joined to each other. <P>SOLUTION: An intermediate resin molded body 30 is held between two outer resin molded bodies 10 and 20 and a molten resin is injected almost simultaneously onto a first interface between the outer resin molded body 10 and the intermediate resin molded body 30, on one side, and a second interface between the outer resin molded body 20 and the intermediate resin molded body 30, on the other. The two outer resin molded bodies 10 and 20 and the intermediate resin molded body 30 are joined together by welding. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
