|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B23P-015/00 F42B-003/103 B21J-001/02 B21K-021/08 B60R-021/26|
|우선권정보||DE-10 2010 045 641 (2010-09-17)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 43|
The invention relates to a method for producing a ring-shaped or plate-like element, in particular for a metal-sealing material-feedthrough, in particular for devices which are subjected to high pressures, preferably igniters for airbags or belt tensioning devices, whereby a blank, especially in the embodiment of a wire-shaped material is provided and the blank is subjected to processing so that a feedthrough-opening can be incorporated into a ring-shaped or plate-like element created from the blank.
1. A method to produce a cylindrical metal-sealing material-feedthrough, said method comprising the steps of: producing a cylindrical plate-like body by providing a blank;processing said blank so that a feedthrough-opening is incorporated into a ring-shaped or plate-like element created from said blank, said feedthrough-opening extending from a back side of said blank to a front side of said blank, said processing step including forming a relief region in said blank extending from said back side toward said front side using a cold forming process, the re...