Ultrasonic insert stud and method of assembly

Details Ultrasonic insert stud and method of assembly Ultrasonic insert stud and method of assembly

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 23/00 (2006.01) B23K 20/10 (2006.01) B29C 65/64 (2006.01) F16B 35/06 (2006.01)

Patent

CA 2079651

ABSTRACT OF THE DISCLOSURE A stud (10) for ultrasonic insertion into a section (62) of plastic material generally comprises a shank (16) having a head portion (14) and an entering portion (12) on opposite ends thereof. The head portion (14) is ultrasonically insertable into the section (62), and the entering portion (12) is insertable into an aperture in a workpiece. The head portion (14) comprises a positive stop structure (24) for locating a level of insertion of the head portion (14) into the section (62) of plastic material. A portion (32) which provides pull out resistance is disposed on the head portion (14) above the positive stop structure (24), and a portion (26) which provides torsional resistance is disposed on the head portion (14) between the positive stop structure (24) and the portion (32) for providing pull out resistance. A head body portion (36) is located on the head portion (14) above the portion 32 for providing pull out resistance. A unique method is also provided for ultrasonically inserting the stud (10) into the section (62) of plastic material.

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