Patent ID: 8327765

Claim:
A bushing assembly for igniters for airbags or belt tensioning pulleys, comprising: a metal base plate having a front side, a rear side and an opening extending therethrough from the front side to the rear side, said base plate having a thickness of between 1.5 and 3.5 mm, and said opening having a maximum diameter in a range of between and including 1.8 to 4 mm; a metal pin disposed in said opening and a fixing material disposed in the opening around and between the pin and the base plate, said fixing material forming a plug; the base plate being formed by one element, wherein the base plate has a stamped or punched base geometry defining the opening and having an edge with a tear from stamping or punching; the base plate including a retention structure forming an undercut located between the front and rear sides for preventing relative motion of the fixing material in a direction from front to rear across an inner circumference of the opening; said fixing material being a glass plug formed from molten glass, the glass plug including an end which is substantially level with the front side of the base plate.