Patent ID: 9138830
Filing Date: 2015-09-22
Classification: B23K,F16B,Y10T

Abstract:
1. A method for producing a fastening device, comprising the steps of: producing a shaft part by curving a flat semi-finished product into a round shape to form a sleeve shape; joining a head part to the shaft part, wherein the head part has an abutment for support of an object to be attached and wherein the shaft part defines a bore within the shaft part for a counterpart of the fastening device; and inserting the shaft part through a plate-shaped holding part and contacting the plate-shaped holding part with the abutment of the head part; wherein the step of inserting the shaft part through the plate-shaped holding part includes inserting the shaft part through a collar-shaped feed-through of the plate-shaped holding part and wherein the collar-shaped feed-through is conical on an outside and an inside of the feed-through.