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1. WO2000041919 - AN AIR-BAG AND A METHOD OF DEPLOYING AN AIR-BAG

Publication Number WO/2000/041919
Publication Date 20.07.2000
International Application No. PCT/SE2000/000039
International Filing Date 12.01.2000
Chapter 2 Demand Filed 07.08.2000
IPC
B60R 21/16 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
B60R 21/213 2011.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
20Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
213in vehicle roof frames or pillars
B60R 21/233 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
23Inflatable members
231characterised by their shape, construction or spatial configuration
233comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
B60R 21/276 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
26characterised by the inflation fluid source or means to control inflation fluid flow
276with means to vent the inflation fluid source, e.g. in case of overpressure
B60R 21/30 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
26characterised by the inflation fluid source or means to control inflation fluid flow
30with means to draw ambient air into the flow line and mix such air with the inflation fluid
B60R 21/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
CPC
B60R 2021/0004
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
0002Type of accident
0004Frontal collision
B60R 2021/0006
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
0002Type of accident
0006Lateral collision
B60R 2021/23153
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings ; , e.g. crash pads
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
23Inflatable members
231characterised by their shape, construction or spatial configuration
23153specially adapted for rear seat passengers
B60R 2021/23161
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings ; , e.g. crash pads
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
23Inflatable members
231characterised by their shape, construction or spatial configuration
23161specially adapted for protecting at least two passengers, e.g. preventing them from hitting each other
B60R 2021/23316
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings ; , e.g. crash pads
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
23Inflatable members
231characterised by their shape, construction or spatial configuration
233comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
23316Inner seams, e.g. creating separate compartments or used as tethering means
B60R 2021/23382
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
21Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
02Occupant safety arrangements or fittings ; , e.g. crash pads
16Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
23Inflatable members
231characterised by their shape, construction or spatial configuration
2334Expansion control features
2338Tethers
23382Internal tether means
Applicants
  • AUTOLIV DEVELOPMENT AB [SE/SE]; S-447 83 Vårgårda, SE (AllExceptUS)
  • HÅLAND, Yngve [SE/SE]; SE (UsOnly)
  • ANDERSSON, Sture [SE/SE]; SE (UsOnly)
  • ERIKSSON, Dick [SE/SE]; SE (UsOnly)
  • PIPKORN, Bengt [SE/SE]; SE (UsOnly)
  • PERSSON, Jörgen [SE/SE]; SE (UsOnly)
Inventors
  • HÅLAND, Yngve; SE
  • ANDERSSON, Sture; SE
  • ERIKSSON, Dick; SE
  • PIPKORN, Bengt; SE
  • PERSSON, Jörgen; SE
Agents
  • MEULLER, Erik; Autoliv Development AB S-447 83 Vårgårda, SE
Priority Data
9900619.912.01.1999GB
9921241.708.09.1999GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AN AIR-BAG AND A METHOD OF DEPLOYING AN AIR-BAG
(FR) AIR-BAG ET PROCEDE DE DEPLOIEMENT CORRESPONDANT
Abstract
(EN)
An air-bag (8) is mounted in the roof of a motor vehicle to be deployed in front of an occupant (7) of the vehicle. The air-bag is constrained by means of tear-straps (15) within the air-bag to inflate initially as a 'curtain' in front of the occupant of the vehicle, that occupant only having a relatively narrow thickness (T). When the tear-straps break, the bag has a more rounded configuration. The bag is releasably retained within a recess (9) which initially houses the bag. When the bag is fully inflated, the bag becomes totally separated from the recess, to prevent the bag forcing the head of the occupant rearwardly as the torso of the occupant moves forwardly during an accident.
(FR)
L'invention concerne un air-bag (8), qui est monté dans le toit d'un véhicule automobile, et qui est destiné à se déployer devant l'occupant (7) du véhicule. L'air-bag, qui est comprimé au moyen de bandelettes déchirables (15) faisant partie de l'air-bag, est conçu pour se gonfler tel un 'rideau' devant l'occupant du véhicule, ledit air-bag ayant alors une épaisseur (T) relativement peu importante. Lorsque les bandelettes déchirables se rompent, le coussin de sécurité prend une configuration plus ronde. Ce coussin est retenu libérable à l'intérieur d'un évidement (9) dans lequel le coussin est initialement encastré. Lorsque le coussin est gonflé au maximum, il se sépare complètement de l'évidement, évitant ainsi que le coussin ne pousse la tête de l'occupant vers l'arrière en cas de propulsion avant du torse de l'occupant au cours d'un accident.
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