Reinforcement structure of air bag
A technology of airbag and structure, applied in vehicle safety arrangement, pedestrian/passenger safety arrangement, transportation and packaging, etc., can solve the problems of poor recyclability, increased manufacturing time and manufacturing cost, and achieve easy manufacturing and restraint of manufacturing Increase in the number of man-hours and the effect of suppressing damage
Active Publication Date: 2014-04-02
TOYODA GOSEI CO LTD
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Problems solved by technology
[0006] However, in the airbags described in the above patent documents 1 to 3, in addition to the sewing operation of sewing the base fabrics constituting the airbag together, the operation of sticking the rubber sheet or the reinforcing sheet is also required during manufacture, and the manufacturing process and manufacturing time are greatly reduced. cost increase
In addition, since a rubber sheet or a rubber-based adhesive is used, the recyclability is not good
Method used
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[0031] Hereinafter, one embodiment of the present invention will be described based on the drawings. In the embodiment, the airbag 15 for a passenger's seat will be described as an example. The airbag for the passenger seat (hereinafter abbreviated as "airbag") 15 according to the embodiment is as follows: figure 1 As shown in FIG. 2 , it is used in a top-mounted airbag device M for a passenger's seat that is arranged inside an upper surface 2 of an instrument panel (hereinafter abbreviated as "dashboard") 1 . This airbag device M for a passenger's seat is configured to include: a folded airbag 15; an inflator 8 for supplying inflation gas to the airbag 15; a housing 6 for accommodating and holding the airbag 15 and the inflator 8; the retainer 11 on the body 6; and the airbag cover 10 covering the folded airbag 15.
[0032] In addition, in this specification, unless otherwise specified, the up-down, front-rear, and left-right directions coincide with those of the vehicle. ...
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This invention provides a strengthen structure of a suture region of an air bag which can be reinforced as simple composition, so that heat resistance near a suture region may be improved. The suture region (29) formed in the reinforcement structure of an embodiment so that the seam allowance part (30) may be turned to the inner circumference side. And it is the composition of making the suture region reinforcing with an embodiment the base fabrics (32) and (32) for flow straightening cloth which constitute this flow straightening cloth, using the two patch cloths (36) and (36) as a base fabric for main parts. Each patch cloth (36) covers the body with the inner peripheral side of the allowance parts (30) of the side face of two overlapping state, with the periphery of the main body of the cloth are sewn suture region (29) at the site, with the main body cloth stitched together. Under the circumstance of reversing, it uses suture line to sew a periphery edge (38a) and the suture region (29) to form the suture region (29) and the allowance part (30).
Description
technical field [0001] The present invention relates to a reinforcement structure of a seamed part of an airbag, wherein the airbag is formed by sewing the peripheries of a plurality of base fabrics to each other with a seam to form a bag shape, and inflating an inflation gas into the inside, and making the airbag A seam portion formed by sewing the peripheral edges of the base fabric is formed toward the inner peripheral side. Background technique [0002] Currently, there is a structure in which, in order to reinforce the vicinity of the stitched portion where the peripheries of the base fabrics constituting the airbag are stitched together, the inner surface side of the portion near the stitched portion is covered with a rubber sheet made of neoprene or the like (e.g. , refer to Patent Documents 1 and 2). In addition, there is also a configuration in which a reinforcement tape is attached using a neoprene-based adhesive to cover the inner surface side of the portion near...
Claims
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IPC IPC(8): B60R21/26
Inventor 重村孝
Owner TOYODA GOSEI CO LTD