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    • 7. 发明申请
    • Welding structure of three members
    • 焊接结构三个成员
    • US20040256046A1
    • 2004-12-23
    • US10866675
    • 2004-06-15
    • AISAN KOGYO KABUSHIKI KAISHA
    • Hitoshi Sakakibara
    • B29C065/02B29C043/22B29C065/08
    • B29C66/1312B01D29/012B01D29/111B01D35/30B29C65/0618B29C65/7829B29C66/30223B29C66/322B29C66/5414B29C66/543B29C66/81415B29C66/81427B29C66/8322B29L2031/14
    • A welding structure of three members comprises a first synthetic resin member having an opening and a flange formed around the opening, a second synthetic resin member having an opening and a flange formed around the opening, and a third member having an edge portion, the first, second, and third members being to be integrally joined by vibration welding in a state where the edge portion of the third member is held between the flanges of the first and second members so that contact portions of each flange and the edge portion are welded together. In a state prior to the vibration welding, at least one of the first and second members is formed with a circumferential protrusion, the edge portion of the third member is held between the flanges of the first and second members so that the third member is in contact with the first and second members through the protrusion, and the first and second members are assembled with a predetermined clearance between joining portions constructed of parts of the flanges.
    • 三个构件的焊接结构包括具有开口的第一合成树脂构件和围绕该开口形成的凸缘,具有开口的第二合成树脂构件和围绕该开口形成的凸缘,以及具有边缘部的第三构件, 第二构件和第三构件在第三构件的边缘部分保持在第一构件和第二构件的凸缘之间的状态下通过振动焊接被一体地接合,使得每个凸缘和边缘部分的接触部分被焊接在一起 。 在振动焊接之前的状态下,第一和第二构件中的至少一个形成有周向突起,第三构件的边缘部分保持在第一和第二构件的凸缘之间,使得第三构件处于 通过突起与第一和第二构件接触,并且第一和第二构件以由凸缘部分构成的接合部之间的预定间隙组装。