A vibration welding device 40 includes: a vibration welding mold (40) that is configured including an upper mold (42U) and a lower mold (42L) divided in an up-down direction (A-B), that is fitted with a first component (20) and a second component (30) form...

The present invention is to provide a synthetic weld body which sectional shape of a passage to a bore can be an ideal shape by welding two synthetic members. The edge at the passage side of the rising boundary line 78a-1, 78a-2, 78b-1, 78b-2, 78c-1, 78c-2...

A vehicle airbag system includes: an outside lid (2) formed by part of an interior panel; an outside hinge (3) connecting one side of the outside lid to the interior panel (1); a bursting portion (4) that is connected to an opening edge of the outside lid ...