JP7101179B2 - エアバッグ - Google Patents
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- JP7101179B2 JP7101179B2 JP2019540994A JP2019540994A JP7101179B2 JP 7101179 B2 JP7101179 B2 JP 7101179B2 JP 2019540994 A JP2019540994 A JP 2019540994A JP 2019540994 A JP2019540994 A JP 2019540994A JP 7101179 B2 JP7101179 B2 JP 7101179B2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
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- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Woven Fabrics (AREA)
Description
前記エアバッグ10は、膨張する主室11と、非膨張部13とを含み、
前記主室11は、第1の布層110および第2の布層120からなる2層構造になっており、
前記主室11は、袋織により連続的に形成された外部に通じる開口部12、または、前記エアバッグ内の副室に通じる連通部12’を有しており、
前記第1の布層110には、前記第1の布層110から一度離れて前記第1の布層110に戻る1本以上の第1の浮糸112が設けられており、
前記第2の布層120には、前記第2の布層120から一度離れて前記第2の布層120に戻る1本以上の第2の浮糸122が設けられており、
前記第1の布層110を組織する複数本の糸が、前記開口部12もしくは前記連通部12’における第1の布層110から離れて非膨張部13まで延在し、第1糸条111を形成しており、前記第1糸条111は、前記開口部12または前記連通部12’から見て順に、1本以上の前記第2の浮糸122に引っ掛かり、または前記第2の浮糸122と織組織を構成し、次に、1本以上の前記第1の浮糸112に引っ掛かり、または前記第1の浮糸112と織組織を構成する構造を少なくとも1回以上繰り返し、 前記第2の布層120を組織する複数本の糸が、前記開口部12または前記連通部12’における第2の布層120から離れて非膨張部13まで延在し、第2糸条121を形成しており、前記第2糸条121は、前記開口部12または前記連通部12’から見て順に、1本以上の前記第1の浮糸112に引っ掛かり、または前記第1の浮糸112と織組織を構成し、次に、1本以上の前記第2の浮糸122に引っ掛かり、または前記第2の浮糸122と織組織を構成する構造を少なくとも1回以上繰り返し、
エアバッグ膨張時には、前記第1糸条111と前記第2糸条121が、前記第1の浮糸112及び前記第2の浮糸122に引っ張られることで張力が掛かり、前記開口部12もしくは前記連通部12’を閉じるように働き、
乗員当接時には、当接によるエアバッグの変形によって、前記第1糸条111および前記第2糸条121の張力が緩み、前記開口部12もしくは前記連通部12’が開くことで前記主室からガスを放出する。
11 主室
12 開口部
12’ 連通部
13 非膨張部
14 副室
15 ガス導入部
16 縫製箇所
110 第1の布層
111 第1糸条
112 第1の浮糸
113 第1糸条に掛かる力の方向
120 第2の布層
121 第2糸条
122 第2の浮糸
123 第2糸条に掛かる力の方向
Claims (4)
- 袋織によって一体形成されたエアバッグ(10)において、
前記エアバッグ(10)は、膨張する主室(11)と、非膨張部(13)とを含み、
前記主室(11)は、第1の布層(110)および第2の布層(120)からなる2層構造になっており、
前記主室(11)は、袋織により連続的に形成された外部に通じる開口部(12)、または、前記エアバッグ内の副室に通じる連通部(12’)を有しており、
前記第1の布層(110)には、前記第1の布層(110)から一度離れて前記第1の布層(110)に戻る1本以上の第1の浮糸(112)が設けられており、
前記第2の布層(120)には、前記第2の布層(120)から一度離れて前記第2の布層(120)に戻る1本以上の第2の浮糸(122)が設けられており、
前記第1の布層(110)を組織する複数本の糸が、前記開口部(12)もしくは前記連通部(12’)における第1の布層(110)から離れて非膨張部(13)まで延在し、第1糸条(111)を形成しており、前記第1糸条(111)は、前記開口部(12)または前記連通部(12’)から見て順に、1本以上の前記第2の浮糸(122)に引っ掛かり、または前記第2の浮糸(122)と織組織を構成し、次に、1本以上の前記第1の浮糸(112)に引っ掛かり、または前記第1の浮糸(112)と織組織を構成する構造を少なくとも1回以上繰り返し、
前記第2の布層(120)を組織する複数本の糸が、前記開口部(12)または前記連通部(12’)における第2の布層(120)から離れて非膨張部(13)まで延在し、第2糸条(121)を形成しており、前記第2糸条(121)は、前記開口部(12)または前記連通部(12’)から見て順に、1本以上の前記第1の浮糸(112)に引っ掛かり、または前記第1の浮糸(112)と織組織を構成し、次に、1本以上の前記第2の浮糸(122)に引っ掛かり、または前記第2の浮糸(122)と織組織を構成する構造を少なくとも1回以上繰り返し、
エアバッグ膨張時には、前記第1糸条(111)と前記第2糸条(121)が、前記第1の浮糸(112)及び前記第2の浮糸(122)に引っ張られることで張力が掛かり、前記開口部(12)もしくは前記連通部(12’)を閉じるように働き、
乗員当接時には、当接によるエアバッグの変形によって、前記第1糸条(111)および前記第2糸条(121)の張力が緩み、前記開口部(12)もしくは前記連通部(12’)が開くことで前記主室からガスを放出することを特徴とするエアバッグ。 - 前記開口部(12)または前記連通部(12’)から出ている前記第1糸条(111)または前記第2糸条(121)の少なくとも一方が、前記非膨張部(13)ではなく、前記第1または第2の布層(110、120)に接続されている、請求項1に記載のエアバッグ。
- 前記開口部(12)または前記連通部(12’)から出ている前記第1糸条(111)または前記第2糸条(121)の少なくとも一方が、前記第1糸条(111)であれば1本以上の前記第2の浮糸(122)に引っ掛かり、または前記第2の浮糸(122)と織組織を構成し、前記第2糸条(121)であれば1本以上の前記第1の浮糸(112)に引っ掛かり、または前記第1の浮糸(112)と織組織を構成し、元の布層に接続されている、請求項2に記載のエアバッグ。
- 前記第1糸条(111)および前記第2糸条(121)が、前記開口部(12)または前記連通部(12’)の全幅にわたり、または、全幅を超える範囲にわたり配置されている、請求項1から3のいずれか1項に記載のエアバッグ。
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