Method for producing a ring-shaped or plate-like element
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-003/103
B21J-001/02
B21K-021/08
B23P-015/00
B60R-021/26
출원번호
US-0835064
(2015-08-25)
등록번호
US-9651345
(2017-05-16)
우선권정보
DE-10 2010 045 641 (2010-09-17)
발명자
/ 주소
Hartl, Helmut
Pfeiffer, Thomas
출원인 / 주소
Schott AG
대리인 / 주소
Taylor IP, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
42
초록▼
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
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.
대표청구항▼
1. A method for producing a ring-shaped or plate-like element for a metal-sealing material-feedthrough for a plurality of devices which are subjected to high pressures, said method comprising the steps of: providing a blank made of a high grade steel and copper alloy;subjecting said blank to a proce
1. A method for producing a ring-shaped or plate-like element for a metal-sealing material-feedthrough for a plurality of devices which are subjected to high pressures, said method comprising the steps of: providing a blank made of a high grade steel and copper alloy;subjecting said blank to a processing so that a feedthrough-opening is incorporated into said 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 of said blank including incorporation of a relief region having a height HF and extending from said back side toward said front side, said relief region formed using a process of cold-forming the high grade steel and copper alloy;said relief region having a diameter that is less than an overall diameter of said ring-shaped or plate-like element; andsaid ring-shaped or plate-like element having a reduced thickness region DR in said relief region that is less than the overall thickness D of said ring-shaped or plate-like element;punching through said reduced thickness region DR to form said feedthrough-opening; andinserting a sealing material into the feedthrough-opening;said process of cold forming including the sub-steps of: pressing a punch against one side of one of said ring-shaped or plate-like element; andflowing a material of one of said ring-shaped or plate-like element around said punch;said process of cold forming being carried out on the high grade steel and copper alloy which is configured with counter-opposing physical properties of: 1) elasticity which is sufficient to allow the flowing of material around the punch; and2) sufficient strength and rigidity to absorb ejection forces acting upon the sealing material of between about 1750 to 3000 Newtons. 2. The method according to claim 1, wherein said plurality of devices includes at least one of an igniter for an airbag and a belt tensioning device. 3. The method according to claim 1, wherein said blank is formed as a wire-shaped material. 4. The method according to claim 3, wherein said cold-forming process includes compression. 5. The method according to claim 4, wherein: said compression takes place along a longitudinal axis of said blank formed as a wire-shaped material. 6. The method according to claim 3, wherein said ring-shaped or plate-like element has an essentially round outside contour and said feedthrough-opening is located in a center of said ring-shaped or plate-like element. 7. The method according to claim 1, wherein an essentially conically tapering feedthrough-opening is punched out through said reduced thickness region DR. 8. The method according to claim 1, wherein cold forming said ring-shaped or plate-like element from said blank, incorporating said relief region, and punching said feedthrough opening into said ring-shaped or plate-like element occur in an essentially equal amount of time. 9. The method according to claim 1, wherein, to incorporate said relief region, said punch is pressed against one side of one of said ring-shaped or plate-like element and additional material of one of said ring-shaped or plate-like element is pushed out on a side opposite said side of said ring shaped or plate-like element. 10. The method according to claim 1, wherein: said relief region having a diameter that is greater than a diameter of said feedthrough-opening. 11. The method according to claim 1, wherein: said reduced thickness region DR having a reduced thickness DR that is chosen to allow said feedthrough-opening to be punched out. 12. The method according to claim 1, wherein: said blank having a copper content of between about 1% and about 5% by weight. 13. The method according to claim 12, wherein: said blank having a copper content of between about 2% and about 4% by weight. 14. The method according to claim 1, wherein: said reduced thickness region DR in said relief region being reduced by said cold-forming process by between about 20% and about 60% from said overall thickness D of said ring-shaped or plate-like element. 15. The method according to claim 14, wherein: said reduced thickness region DR in said relief region being reduced by said cold-forming process by between about 30% and about 50% from said overall thickness D of said ring-shaped or plate-like element. 16. A method for producing a ring-shaped or plate-like element for a metal-sealing material-feedthrough for a plurality of devices which are subjected to high pressures, said method comprising the steps of: providing a blank made of high grade steel alloyed with copper;subjecting said blank to a processing so that a feedthrough-opening is incorporated into said 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 of said blank including incorporation of a relief region having a height HF and extending from said back side toward said front side, said relief region formed using a cold-forming process;said relief region having a diameter that is less than an overall diameter of said ring-shaped or plate-like element;said ring-shaped or plate-like element having a reduced thickness region DR in said relief region that is less than the overall thickness D of said ring-shaped or plate-like element, said reduced thickness region DR further having a reduced thickness being not greater than 3 mm; andpunching through said reduced thickness region DR to form said feedthrough-opening. 17. The method according to claim 16, wherein said plurality of devices includes at least one of an igniter for an airbag and a belt tensioning device. 18. The method according to claim 16, wherein said blank is formed as a wire-shaped material. 19. The method according to claim 18, wherein said cold-forming process includes compression. 20. The method according to claim 19, wherein: said compression takes place along a longitudinal axis of said blank formed as a wire-shaped material. 21. The method according to claim 18, wherein said ring-shaped or plate-like element has an essentially round outside contour and said feedthrough-opening is located in a center of said ring-shaped or plate-like element. 22. The method according to claim 18, wherein, to incorporate said relief region, one of said ring-shaped or plate-like element is pressed against a punch and a material of one of said ring-shaped or plate-like element flows around said punch. 23. The method according to claim 22, wherein an essentially conically tapering feedthrough-opening is punched out through said reduced thickness region DR. 24. The method according to claim 23, wherein cold forming said ring-shaped or plate-like element from said blank, incorporating said relief region, and punching said feedthrough opening into said ring-shaped or plate-like element occur in an essentially equal amount of time. 25. The method according to claim 18, wherein, to incorporate said relief region, a punch is pressed against one side of one of said ring-shaped or plate-like element and a material of one of said ring-shaped or plate-like element is pushed out on a side opposite said side of said ring shaped or plate-like element. 26. The method according to claim 16, wherein: said relief region having a diameter that is greater than a diameter of said feedthrough-opening. 27. The method according to claim 16, wherein: said blank having a copper content of between about 1% and about 5% by weight. 28. The method according to claim 27, wherein: said blank having a copper content of between about 2% and about 4% by weight. 29. A method for producing an element for an ignitor in one of an airbag inflator and a belt-tensioning device, said method comprising the steps of: providing a blank made of a high grade steel and copper alloy;subjecting said blank to a processing so that a feedthrough-opening is incorporated into said 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 of said blank including incorporation of a relief region having a height HF and extending from said back side toward said front side, said relief region formed using a process of cold-forming the high grade steel and copper alloy;said relief region having a diameter that is less than an overall diameter of said element; andsaid element having a reduced thickness region DR in said relief region that is less than the overall thickness D of said element;punching through said reduced thickness region DR to form said feedthrough-opening; andinserting a sealing material into the feedthrough-opening;said process of cold forming including the sub-steps of: pressing a punch against one side of one of said ring-shaped or plate-like element; andflowing a material of one of said ring-shaped or plate-like element around said punch;said process of cold forming being carried out on the high grade steel and copper alloy which is configured with counter-opposing physical properties of: 1) elasticity which is sufficient to allow the flowing of material around the punch; and2) sufficient strength and rigidity to absorb ejection forces acting upon the sealing material of between about 1750 to 3000 Newtons. 30. The method according to claim 29, wherein: said blank having a copper content of between about 1% and about 5% by weight. 31. The method according to claim 30, wherein: said blank having a copper content of between about 2% and about 4% by weight. 32. The method according to claim 29, wherein, to incorporate said relief region, said punch is pressed against one side of one of said ring-shaped or plate-like element and additional material of one of said ring-shaped or plate-like element is pushed out on a side opposite said side of said ring shaped or plate-like element. 33. A method for producing an element for an ignitor in one of an airbag inflator and a belt-tensioning device, said method comprising the steps of: providing a blank made of high grade steel alloyed with copper;subjecting said blank to a processing so that a feedthrough-opening is incorporated into said 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 of said blank including incorporation of a relief region having a height HF and extending from said back side toward said front side, said relief region formed using a cold-forming process;said relief region having a diameter that is less than an overall diameter of said element;said element having a reduced thickness region DR in said relief region that is less than the overall thickness D of said element, said reduced thickness region DR further having a reduced thickness being not greater than 3 mm; andpunching through said reduced thickness region DR to form said feedthrough-opening. 34. The method according to claim 33, wherein: said blank having a copper content of between about 1% and about 5% by weight. 35. The method according to claim 34, wherein: said blank having a copper content of between about 2% and about 4% by weight. 36. The method according to claim 33, wherein, to incorporate said relief region, one of said ring-shaped or plate-like element is pressed against a punch and a material of one of said ring-shaped or plate-like element flows around said punch. 37. The method according to claim 33, wherein, to incorporate said relief region, a punch is pressed against one side of one of said ring-shaped or plate-like element and a material of one of said ring-shaped or plate-like element is pushed out on a side opposite said side of said ring shaped or plate-like element.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (42)
Little ; II David J. (Collegeville PA), Airbag igniter having double glass seal.
Viret Paul (marly Le Roi FRX) Ledain Bernard (Plaisir FRX), Aluminum based article having an insert with vitreous material hermetically sealed thereto.
Miyamoto Takaharu (Nagano JPX) Miyagawa Fumio (Nagano JPX) Ohashi Yoji (Kawasaki JPX) Saito Tamio (Kawasaki JPX), Coaxial line assembly of a package for a high frequency element.
Hansen David D. ; Woodbury Mark B. ; Chandler Virginia E. ; Monk David B. ; Miller ; II Harry W. ; Pratt Gerold W., High pressure resistant initiator with integral metal oxide varistor for electro-static discharge protection.
Monk David B. (Kaysville UT) Woodbury Mark B. (North Salt Lake UT) Hansen David D. (Clearfield UT), Inflator initiator with zener diode electrostatic discharge protection.
Fink, Thomas, Metal-sealing material-feedthrough and utilization of the metal-sealing material feedthrough with an airbag, a belt tensioning device, and an ignition device.
Wittwer Alfred (Niederglatt CHX), Method of manufacturing a pole body for an electric fuse, pole body for an electric fuse and method of using the pole bo.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.