Patent ID: 8425706
Filing Date: 2013-04-23
Classification: B29C,Y10T

Abstract:
1. A method for ultrasonic welding comprising: providing a base component having a surface to be welded; providing a weldable component comprising a part having a first surface, a weld rivet attached to the part by a thin portion, the weld rivet extending above the first surface, and a complementary void pocket extending through the part and positioned under the weld rivet, wherein the weld rivet fits into the complementary void pocket; placing the weldable component on the base component; and applying an ultrasonic welding tool to the weld rivet and the first surface of the part, breaking the weld rivet off the part, driving the weld rivet through the complementary void pocket and into the base component, and ultrasonically welding the weldable component to the surface of the base component with the weld rivet.