Patent ID: 6108894
Filing Date: 2000-08-29
Classification: B21J,B21K,E05B,Y10T

Abstract:
A method of making a striker which has a non-hardened and non-tempered base for fixing to a vehicle body or a door of an automobile and further has a high-strength, hardened and tempered U-shaped member fixed to the base, comprising the steps of:bending a high-strength steel rod to a ""U"" shape with leg portions and subsequently forming outer flanges on each of said leg portions of said high-strength steel rod;hardening and then tempering the U-shaped rod provided with the outer flanges;providing a non-hardened and non-tempered metal base having a pair of holes extending therethrough:inserting the leg portions into said pair of holes in the base, respectively, until the outer flanges come into abutting engagement with an outer face of the base; andthen cold forming inner flanges adjacent or at a tip of each of the leg portions without substantially heating the base or said tip of each of the leg portions, thereby firmly sandwiching the base between the inner flanges and the outer flanges.