Airbag having a filling piece and airbag arrangement having an airbag and a gas generator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60R-021/26
B60R-021/2346
B60R-021/217
출원번호
US-0801053
(2010-05-19)
등록번호
US-8342571
(2013-01-01)
우선권정보
DE-10 2007 056 137 (2007-11-20)
발명자
/ 주소
Baumgartner, Peter
Steck, Thomas
Leifheit, Markus
출원인 / 주소
Takata AG
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
5인용 특허 :
12
초록▼
The invention relates to an airbag, the airbag comprising a tubular area and a filling piece for filling the airbag with gas of a gas generator, wherein the filling piece is formed by putting-over the tubular area of the airbag. In one embodiment, the filling piece is formed by putting-over the tubu
The invention relates to an airbag, the airbag comprising a tubular area and a filling piece for filling the airbag with gas of a gas generator, wherein the filling piece is formed by putting-over the tubular area of the airbag. In one embodiment, the filling piece is formed by putting-over the tubular area of the airbag in the longitudinal direction, wherein an end of the put-over tubular area faces the airbag interior and said end of the put-over tubular area comprises one or several openings which are arranged to distribute gas inflowing from a gas generator in a targeted manner into the airbag.
대표청구항▼
1. Airbag, the airbag comprising: a tubular area,a filling piece for filling the airbag with gas of a gas generator,the filling piece being formed by putting-over the tubular area of the airbag in the longitudinal direction,wherein an end of the tubular area faces the airbag interior and comprises a
1. Airbag, the airbag comprising: a tubular area,a filling piece for filling the airbag with gas of a gas generator,the filling piece being formed by putting-over the tubular area of the airbag in the longitudinal direction,wherein an end of the tubular area faces the airbag interior and comprises a face side located at a terminus of the tubular area,wherein said end of the put-over tubular area comprises two openings which are arranged to distribute gas inflowing from a gas generator in a targeted manner into the airbag,wherein the two openings are provided in the airbag in an uninflated state,wherein the terminus of the tubular area comprises a seam, the seam defining the two openings,wherein the terminus of the tubular area is at least partially closed by the seam,wherein the two openings comprise one or two lateral openings, andwherein when filling the airbag with gas the inflowing gas is distributed by the two openings in exactly two partial gas streams into the airbag in a defined manner. 2. Airbag according to claim 1, wherein the end of the tubular area facing the airbag interior after it has been put over reaches into the airbag interior. 3. Airbag according to claim 1, wherein the airbag possesses an outer edge extending longitudinally and in that the part of the tubular area to be everted extends essentially parallel to the outer edge before its everting. 4. Airbag according to claim 1, wherein the end of the tubular area facing the airbag interior after it has been everted is beveled. 5. Airbag according to claim 1, wherein the filling piece is formed such that it is suited to receive at least a section of a gas generator and can be fixed to the gas generator. 6. Airbag according to claim 1, wherein the filling piece is formed such that it is suited for receiving at least a section of a diffuser and can be fixed to the diffuser or to a gas generator connected to the diffuser. 7. Airbag according to claim 1, wherein the put-over tubular area reaches into the airbag interior and therein forms a diffuser which distributes gas of a gas generator in a targeted manner in the airbag. 8. Airbag according to claim 1, further comprising: at least one additional reinforcing layer,said at least one additional reinforcing layer being at least partially also put-over during putting-over of the tubular area. 9. Airbag according to claim 8, wherein the at least one additional reinforcing layer comprises two fabric pieces wherein the fabric piece in each case is sewed or glued to the upper side and the lower side of the tubular area. 10. Airbag according to claim 8, wherein the at least on additional reinforcing layer comprises a fabric piece which is laid around the tubular area and is sewed or glued at its ends to the tubular area. 11. Airbag, the airbag, comprising: a tubular area,an outer, longitudinally extending edge extending along the longitudinal length of the airbag, wherein the tubular area protrudes angularly from the outer, longitudinally extending edge of the airbag when the airbag is flat and outspread,a filling piece for filling the airbag with gas of a gas generator,the filling piece being formed by putting-over the tubular area of the airbag in the longitudinal direction,wherein an end of the tubular area faces the airbag interior and comprises a face side,wherein the end of the put-over tubular area comprises two openings which are arranged to distribute gas inflowing from a gas generator in a targeted manner into the airbag,wherein the two openings are provided in the airbag in an uninflated state,wherein a terminus of the tubular area comprises a seam, the seam defining the two openings,wherein the terminus of the tubular area is at least partially closed by the seam,wherein the face side is oriented bevelled with respect to the longitudinal direction of the tubular area,wherein one of the two openings is a lateral opening,wherein when filling the airbag with gas the inflowing gas is distributed by the two openings in exactly two partial gas streams into the airbag in a defined manner.
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