Abstract: A clip comprises a pin having a flange and a shank and a bush having a flange and a hollow shank into which the pin shank is inserted. The clip is configured so that the pin and bush can be temporarily connected, and the bush shank can be inserted into a mounting hole in a workpiece such as a panel while the pin and bush are temporarily connected. When the pin shank is further inserted into the bush shank, the bush shank expands to fix the clip to the workpiece. The bush flange has a wall extending to about the level of the pin flange when the pin and the bush are temporarily connected so as to shield the pin flange and the pin shank.

Abstract: A clip comprises a pin having a flange and a shank and a bush having a flange and a hollow shank into which the pin shank is inserted. The clip is configured so that the pin and bush can be temporarily connected, and the bush shank can be inserted into a mounting hole in a workpiece such as a panel while the pin and bush are temporarily connected. When the pin shank is further inserted into the bush shank, the bush shank expands to fix the clip to the workpiece. The bush flange has a wall extending to about the level of the pin flange when the pin and the bush are temporarily connected so as to shield the pin flange and the pin shank.

Abstract: In a plate-like component holding bracket (1) having a certain thickness, a welding portion (5) to be welded to a base member includes an end surface along one of the sides. The end surface is adapted to come into contact with the surface of the base member. Along the end surface of the side of the elding portion (5), non-welding portions (6) are provided adjacent to the welding portion (5), and discharge arc anti-transferring grooves (7) are formed between the welding portion (5) and the non-welding portions (6) to prevent discharge arc from transferring to the non-welding portions (6). The end surface of each non-welding portion (6) is formed at such a height (H) that is measured from the end surface of the welding portion (5) apart from the surface of the base member. The height (H) is effective to predetermine the height of the welded bracket.

Abstract: To provide an ultrasonic welding apparatus of a simple structure which allows a plastic fastener to be automatically loaded into an ultrasonic horn, and to provide an ultrasonic welding method of high operational efficiency. An ultrasonic welding apparatus 1 includes an ultrasonic horn 3 holding a plastic stud 7 having a flange 5 and an engagement shank 6, and a body 2 to bring the flange of the stud 7 held by the ultrasonic horn into contact with a workpiece, so that the flange 5 is ultrasonic-welded onto the workpiece. The ultrasonic welding apparatus further includes a stud receiving member 10 to receive the plastic stud 7 in the manner that the flange is advanced ahead from a feeding tube 9; and a moving mechanism (a first arm 19, a first arm cylinder 21, a second arm 23, a second arm cylinder 25, and the like) to move the stud receiving member 10 to a position below the ultrasonic horn 3.