B60R2021/23514

AIRBAG MULTILAYER COMPLEX AND AIRBAG
20230052516 · 2023-02-16 · ·

It is provided an airbag multilayer complex excellent in flexibility and durability by controlling adhesion between an adhesive layer and a base fabric to a predetermined range, and an airbag using it. This disclosure is an airbag multilayer complex comprising a base fabric and a multilayer film including an outer layer and an adhesive layer that is bonded to one surface of the base fabric. The adhesive strength of the interface between the multilayer film and the base fabric is 5 N/cm or more, the difference in loop stiffness between the airbag multilayer complex and the base fabric is 130 mN/cm or less, the adhesive layer contains a first resin having a hydrogen-bonding capacity, and the difference in Hansen solubility parameter (ΔHSP) between the base fabric and the first resin is 5 MPa.sup.0.5 or less.

One-piece woven vehicle occupant protection device and method for manufacturing the same
11554746 · 2023-01-17 · ·

A method for manufacturing a one-piece woven (OPW) air bag includes providing yarns having a spin finish and warping the yarns on at least one beam of a loom. The yarns are simultaneously woven into a fabric air bag structure having two layer portions defining an inflatable volume and single layer portions forming seams delimiting the inflatable volume. The air bag structure is coated to cover the spin finish. The coated air bag structure is cut to define the one-piece woven air bag.

Airbags and methods for production of airbags

Methods for production of automobile airbags with decreased air leakage and an increased duration of their inflated state, as well as airbags produced in accordance with these methods are provided.

AIRBAG DEVICE
20230001876 · 2023-01-05 ·

The present invention is an airbag device mounted on a steering wheel of a vehicle having a rim with a shape in which the distance from the center of rotation to the distance to the upper edges is shorter than to left and right edges, that includes a gas generator that generates an expansion gas and an airbag that expands and deploys toward the occupant due to the expansion gas. Furthermore, at the stage before the occupant comes into contact with the expanded and deployed airbag, the thickness (width) D1 of the upper end part of the airbag in the direction parallel to the rotation axis of the steering wheel when the airbag is viewed from the side is configured to be larger than the thickness (width) D2 of the lower end part.

POLYESTER BASE FABRIC FOR AIRBAGS
20220372697 · 2022-11-24 ·

The present invention is to provide a polyester fabric for airbags famed from a polyester fiber, which can reduce costs, and the polyester fabric for airbags has high restraint performance for receiving the occupant during deployment and maintains the performance at high levels even after aging, while maintaining the mechanical characteristics as a fabric for airbags. The solution to the object is to provide a polyester fabric for airbags having a coating resin on at least one surface characterized in that the polyester fabric has an optimized crimp ratio and has scrub test strokes of 400 or more after aging treatment at 70° C. at 95% RH for 408 hours.

SILICONE COATINGS FOR AIR BAGS
20220356370 · 2022-11-10 ·

A hydrosilylation curable textile coating composition comprises: (a) a linear organopolysiloxane polymer having at least two alkenyl and/or alkynyl groups per molecule; (b) a reinforcing filler comprising at least one of fumed silica, precipitated silica, or calcium carbonate; (c) a linear trimethyl terminated polydimethyl methylhydrogen siloxane containing at least two silicon-bonded hydrogen groups per molecule; Ld) a hydrosilylation cure catalyst; (e) an organosilicon resin; and (f) an adhesion promoter comprising a mixture and/or reaction product of: (i) one or more alkoxysilanes having an epoxy group in the molecule; (ii) a linear organopolysiloxane oligomer containing at least one alkenyl group and at least one hydroxy or alkoxy group per molecule; and (iii) an organometallic condensation reaction catalyst comprising organoaluminum or organozirconium compounds. Air bags and air bag fabrics can be coated with the hydrosilylation curable textile coating composition, and the resulting air bags and fabrics generally have enhanced scrub resistance.

Base fabric for coated airbag, manufacturing method therefor, and coating composition used for said manufacturing method
11465582 · 2022-10-11 · ·

Provided is a coated fabric for airbags, comprising a coating layer disposed on at least one surface of a woven fabric directly or with one or more other layers interposed therebetween, the coating layer containing a thermally responsive foaming agent.

Flame-resistant airbag, method of manufacturing flame-resistant airbag, and addition-curable liquid silicone rubber composition for flame-resistant airbags

Provided is a flame-resistant airbag having a low rate of combustion. The flame-resistant airbag is obtained by forming, on a cloth substrate, a cured film of a composition containing: (A) 100 parts by mass of a liquid organopolysiloxane containing an alkenyl group bonded to a silicon atom; (B) 5 to 100 parts by mass of a three-dimensional network-structured organopolysiloxane resin in which 0.05 to 0.15 mol/100 g alkenyl groups are bonded only to D units, the ratio of M units to T and/or Q units is 0.65 to 1.40, and hydroxyl group content is 0.040 mol/100 g or less; (C) 0.1 to 50 parts by mass micropulverized silica having a specific surface area of at least 50 m.sup.2/g; (D) an organohydrogen polysiloxane comprising a hydrogen atom bonded to a silicon atom, in an amount such that the number of hydrogen atoms bonded to silicon atoms in component (D) is 1 to 10 per total 1 alkenyl group bonded to a silicon atom in components (A) and (B); (E) an effective amount of a platinum group metal catalyst; and (F) 0.1 to 10 parts by mass of an organic silicon compound. The composition is applied in an amount of 5 to 150 g/m.sup.2.

SILICONE RUBBER COMPOSITION AND WOVEN MATERIAL COATED WITH SILICONE RUBBER
20230203252 · 2023-06-29 ·

A silicone rubber composition is provided. The composition comprises: (A) a straight chain organopolysiloxane having at least two alkenyl groups in a molecule; (B) a resinous organopolysiloxane containing: SiO.sub.4/2 unit, R.sup.1.sub.2R.sup.2SiO.sub.1/2 unit and R.sup.1.sub.3SiO.sub.1/2 unit, wherein R.sup.1 independently represents an alkyl group having 1 to 12 carbon atoms and R.sup.2 represents an alkenyl group having 2 to 12 carbon atoms, and containing 0.1 to 5.0 mass % of the alkenyl groups; (C) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; (D) a hydrosilylation reaction catalyst; (E) a reinforcing silica fine powder; and (F) an intumescent flame retardant. When the composition is coated on a woven material, such as a base material for an airbag or the like, the composition can provide the woven material with sufficient flame retardance even with a low coating amount, and the composition can suppress an aperture of the woven material.

VEHICLE IMPACT ABSORBING SYSTEM

A first airbag has a first joining panel. A second airbag has a second joining panel. The first and second airbags are both inflatable from an uninflated position to an inflated position. The first and second joining panels are spaced from each other in the uninflated position. in the inflated position, the first joining panel is fixed to the second joining panel.