JP2011011596A - Air bag device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air bag device capable of improving restraining performance of a protection target by an air bag without retarding cushion property of the air bag for receiving the protection target, or without increasing the volume of the air bag.SOLUTION: The air bag device M1 blows out and expands to cover a vehicular inner side I of a window W1 from an upper edge WU side of the side window W1 at the vehicular inner side I of the vehicle which is folded and stored so that an air bag 17 causes expansion gas to flow in during operation, and can receive a passenger M being the protection target who moves in a vehicle outside O direction. The air bag 17 includes: a bag body 18 which expands when the expansion gas flows in; and an attachment layer 40 which is arranged at a surface side of the bag body 18 at completion of expansion. The attachment layer 40 attaches a contacted target CT to the bag body 18 so as to refrain relative shifting movement between the contact target CT such as the protection target M in contact with the bag body 18 and the bag body 18.

Description

  The present invention is an air bag apparatus that includes an air bag that is mounted on a vehicle and is arranged to be expanded and inflated from a storage portion by allowing an inflating gas to flow in so that the person to be protected can be received during operation. About.

  Conventionally, as an airbag device, for example, as a head protection airbag device, an airbag that has been inflated can receive an occupant as a person to be protected and restrain it inside the vehicle even when the vehicle rolls over. For this reason, for example, a strap that suppresses movement of the lower edge of the airbag to the outside of the vehicle is provided on the upper side of the airbag when the inflation is completed, and moves toward the outside of the vehicle via the side window. There is known one that suppresses the movement of the airbag to be performed and improves the restraining performance of the occupant as the protection target received by the airbag on the inside of the vehicle (see, for example, Patent Document 1).

  In another head protection airbag device, the airbag that has been inflated is supported by the pillar portion and the door trim portion below the pillar portion so that the inflated portion is in contact with and supported by the side window. A device that suppresses the movement of the airbag itself that moves in the outward direction and improves the restraining performance of the occupant on the inside of the vehicle received by the airbag is known (for example, see Patent Document 2).

  Furthermore, it is known that a surface fastener or a silicon coat is provided on the surface of the airbag in order to increase frictional resistance with surrounding members that the airbag contacts when the airbag is inflated (for example, Patent Document 3). reference).

JP 2009-046056 A JP 2008-007065 A JP 2009-083755 A

  However, in the airbag device described in Patent Literature 1, when the movement of the airbag to the outside of the vehicle at the completion of the inflation is restricted, it is inevitable that the strap disposed on the inside of the airbag becomes a rigid body. For this reason, the airbag cannot receive an occupant as a person to be protected coming into contact with the strap with good cushioning properties, and the cushioning properties are hindered.

  Further, in the airbag device described in Patent Document 2, the airbag inflated area is expanded so as to cover the pillar portion and the door trim in the vicinity of the pillar portion, and further to the pillar portion and the door trim in the inflated area. It is necessary to widen the wrapping area so that bending can be suppressed so that it does not come off the outside of the vehicle when the occupant receives it, the volume of the airbag needs to be large, and the time to complete the inflation of the airbag increases. Or the problem that the inflator becomes large arises.

  Therefore, a member that increases frictional resistance is provided in the airbag as in the airbag device described in Patent Document 3 at a portion that comes into contact with an occupant as a person to be protected. It is conceivable to improve the restraining performance of the airbag on the inside of the vehicle by suppressing the slipping of the occupant who has been received and suppressing the dive-out from the lower edge side of the airbag to the outside of the vehicle. By the way, with this configuration, it is only necessary to attach a member that increases the frictional resistance to the airbag, so that the cushioning property is not hindered, and the volume of the airbag is not increased. it can.

  However, even if the airbag is provided with a member that increases the frictional resistance, if the relative displacement between the airbag and the contacted object can be further suppressed by contacting the contacted object such as the passenger, It is possible to improve the restraining performance of the airbag at the time of receiving the person to be protected.

  The present invention solves the above-described problems, and does not inhibit the cushioning property of the airbag that catches the person to be protected, and does not increase the volume of the airbag, and the restraining performance of the person to be protected in the airbag An object of the present invention is to provide an airbag device capable of improving the above.

The airbag apparatus according to the present invention includes an airbag that is mounted on a vehicle and is deployed and inflated from a storage portion by being inflated by introducing an inflating gas so as to be able to receive a person to be protected during operation. An air bag device,
The airbag includes a bag body that inflates by inflating an inflation gas, and an adhesion layer disposed on at least a part of the surface side of the bag body,
The adhesion layer is configured to adhere the contacted object to the bag body so that relative displacement between the contacted object contacting the bag body and the bag body at the completion of the expansion can be suppressed. It is characterized by.

  In the airbag device according to the present invention, when the airbag is completely inflated, the adhesion layer comes into contact with a contacted object around the airbag, and the relative displacement between the contacted object and the bag body is achieved. Is suppressed.

  Therefore, if the object to be contacted is the head of a human body such as an occupant or pedestrian as the person to be protected, deviation of the head itself in the direction along the surface of the surface received by the bag body is suppressed, and the air It is possible to suppress the movement of the head through the bag. Alternatively, if the object to be contacted is a vehicle body side part, the displacement movement of the airbag itself when the person to be protected is received is suppressed, and the airbag that has been inflated is As a result, the person to be protected can be accurately received and restrained.

  Such an adhesion layer is simply disposed on the portion of the bag body that contacts the human body head or the portion of the bag body that contacts the vehicle body side by sticking, bonding, or the like. Does not interfere with the cushioning of the bag.

  In addition, even when an adhesion layer is provided in a portion that comes into contact with the vehicle body side portion of the bag body, it is only necessary to provide the airbag with a volume that allows the adhesion layer to adhere to the vehicle body side portion. The volume of the airbag can be reduced compared to the case where the L-shaped vehicle body side part straddling the two areas with the door trim is contacted and supported from the inside of the vehicle, and as a result, from the start of inflation of the airbag to the completion of inflation. The increase in time can be suppressed, and a large inflator can be omitted.

  Further, the adhesion layer used in the present invention is to adhere an object to be contacted to the bag body, and compared with the case where the bag body is provided with a hook-and-loop fastener or a silicone coat that increases frictional resistance. The relative displacement movement at the time of contact with the contacted object can be further suppressed. That is, in the airbag provided with the adhesion layer according to the present invention, in addition to the frictional resistance against the adhesion layer of the contacted object itself, the force of adhering the contacted object of the adhesion layer can be used for suppressing displacement movement, The relative displacement movement at the time of contact between the bag body and the contacted object can be further suppressed.

  Therefore, in the head protection airbag device according to the present invention, the restraining performance of the person to be protected in the airbag does not hinder the cushioning property of the airbag that catches the person to be protected and does not increase the volume of the airbag. Can be improved.

  As described above, the adhesion layer according to the present invention does not simply increase the frictional resistance. For example, after the portion where the adhesion layer is provided on the bag body is pressed against the lightweight object from above. The lightweight object can be lifted when it is raised, or even if it is not lifted in the air, the weight of the lightweight object can be lifted so that it can be slightly reduced in a short time, for example, It can be comprised from the adhesion layer or the foaming layer for adsorption | suction. In addition, the foaming layer for adsorption is a foamed layer made of a polymer elastic body, and is configured by providing a large number of open bubbles on the surface side thereof, and presses the surface side provided with the open bubbles against a contacted object. Therefore, it is a material that exhibits adsorptivity and can repeatedly adhere to a predetermined part (contacted object) without using an adhesive or a pressure-sensitive adhesive.

  And when an object to be contacted is set as the head of a human body as a person to be protected, as described above, an adhesion layer is applied to the contact portion in contact with the head of the bag body at the time of completion of inflation. What is necessary is just to arrange | position.

  Alternatively, in the case where the contacted object is set as a vehicle body side portion on the vehicle body side, an adhesion layer may be disposed on a planned contact portion that contacts the vehicle body side portion of the bag body at the time of completion of inflation.

  In this case, for example, the airbag is a vehicle hood panel or a pedestrian protection airbag disposed around the vehicle hood panel, or an airbag for protecting the upper body of an occupant disposed on a vehicle seat. Folded to the upper edge side of the side window inside the car, it can be expanded and inflated so as to cover the inside of the side window when inflating gas flows in, and the head of the passenger as a protection target can be protected An airbag for protecting the head can be exemplified.

If the airbag is an airbag for protecting the head, the airbag main body includes a vehicle inner wall portion that is disposed on the vehicle inner side when inflation is completed and a vehicle outer wall portion that is disposed on the vehicle outer side. As a configuration to complete the expansion into a plate shape,
Excludes the part that comes into contact with the occupant's head on the inner wall of the vehicle or the upper edge of the side window edge on the outer wall of the vehicle. Therefore, there is no need to provide an adhesion layer on the upper edge side). The adhesion layer is disposed on the front edge, the rear edge, or the part that contacts the vehicle body side part including at least one edge of the lower edge. Just do it.

  When the airbag is used for protecting the head, the adhesion layer is disposed on the entire surface of at least one of the inner side wall and the outer side wall of the bag body as a coating layer having gas sealing properties. For example, it is not necessary to separately provide a coating layer for gas sealing at the site where the adhesion layer is provided, and an increase in the number of manufacturing steps and costs of the airbag can be suppressed.

  When the adhesive layer is made of an adhesive layer, when the bag body is folded and stored, an adhesive regulating material is adhered to the contact surface side of the adhesive layer with the contacted object, and the airbag is deployed. What is necessary is just to arrange | position so that an adhesion control material may be peeled from the contact surface side with the to-be-contacted object in an adhesion layer at the time of expansion | swelling.

  In such a configuration, when the airbag is inflated, the adhesion regulating material is peeled from the contact surface side of the adhesive layer with the contacted object. Swelling can be completed by suppressing as much as possible adhesion to unnecessary parts (for example, side window glass or pillar garnish in the middle of unfolding and expansion). Can be completed.

  And such an adhesion control material is separated from the adhesive layer as the airbag is inflated, with at least one end being fixed to the mounting and fixing side in the airbag when folded and stored, as a separate body from the bag body. , Or may be constructed from the bag body itself.

It is the front view seen from the vehicle inside of the airbag device for head protection of a 1st embodiment concerning the present invention. It is a partial schematic longitudinal cross-sectional view of the head protection airbag apparatus of 1st Embodiment, and respond | corresponds to the II-II site | part of FIG. It is a front view of the airbag used for the head protection airbag device of a 1st embodiment. It is a schematic longitudinal cross-sectional view which shows in order the action | operation time of the head protection airbag apparatus of 1st Embodiment. It is a schematic longitudinal cross-sectional view which shows in order the action | operation time of the head protection airbag apparatus of 1st Embodiment, and shows the state after FIG. It is a schematic longitudinal cross-sectional view which shows the time of the completion | finish of operation | movement of the head protection airbag apparatus of 1st Embodiment. It is a front view of the airbag used for the airbag apparatus for head protection of 2nd Embodiment. It is a partial schematic sectional drawing of the head protection airbag apparatus of 2nd Embodiment. It is a schematic sectional drawing which shows the state at the time of the action | operation of the head protection airbag apparatus of 2nd Embodiment in order. It is a schematic longitudinal cross-sectional view which shows the time of completion | finish of operation | movement of the head protection airbag apparatus of 2nd Embodiment. It is a front view of the airbag used for the airbag apparatus for head protection of 3rd Embodiment. It is a partial schematic sectional drawing of the head protection airbag apparatus of 3rd Embodiment. It is a schematic sectional drawing which shows the state at the time of the action | operation of the head protection airbag apparatus of 3rd Embodiment in order. It is a schematic longitudinal cross-sectional view which shows the time of completion | finish of operation | movement of the head protection airbag apparatus of 3rd Embodiment. It is the front view seen from the vehicle inside of the airbag device for head protection of a 4th embodiment. It is a partial schematic sectional drawing of the head protection airbag apparatus of 4th Embodiment, and respond | corresponds to the XVI-XVI site | part of FIG. It is a front view of the airbag used for the head protection airbag apparatus of 4th Embodiment. It is a schematic sectional drawing which shows the state at the time of the action | operation of the head protection airbag apparatus of 4th Embodiment in order. It is a schematic longitudinal cross-sectional view which shows the time of completion | finish of operation | movement of the head protection airbag apparatus of 4th Embodiment. It is a front view of the airbag used for the airbag apparatus for head protection of 5th Embodiment. It is a partial schematic sectional drawing of the head protection airbag apparatus of 5th Embodiment. It is a schematic sectional drawing which shows the state at the time of the action | operation of the head protection airbag apparatus of 5th Embodiment in order. It is a fragmentary sectional perspective view of the suction sheet used for the airbag device for head protection of a 6th embodiment. It is a front view of the airbag used for the head protection airbag apparatus of 6th Embodiment. It is a partial schematic sectional drawing of the head protection airbag apparatus of 6th Embodiment. It is a schematic sectional drawing which shows the state at the time of the action | operation of the head protection airbag apparatus of 6th Embodiment in order. It is the front view seen from the vehicle inner side which shows the modification of the airbag used for the head protection airbag apparatus of 6th Embodiment. It is a schematic longitudinal cross-sectional view of the airbag shown in FIG. 27, and respond | corresponds to the XXVIII-XXVIII site | part of FIG. It is a front view which shows the airbag of another modification. It is a figure which shows the modification of the airbag of 1st Embodiment. It is a figure which shows the modification of the airbag of 2nd Embodiment. It is a figure which shows the modification of the airbag of 3rd Embodiment. It is a figure which shows the modification of the airbag of 6th Embodiment.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the airbag device of the first embodiment is an airbag device M1 for protecting the head, and this airbag device M1 is The airbag 17, the inflator 12, the mounting brackets 49 and 13, and the airbag cover 10 are configured. The airbag 17 is for protecting the head while receiving and restraining the head H of the occupant C as a person to be protected, and on the side of the upper edge WU of the side windows W1, W2 on the inner side of the vehicle V, It is folded and stored in a range from the lower edge side of the front pillar portion FP to the vicinity of the upper portion of the rear pillar portion RP through the center pillar portion CP. That is, the airbag 17 serves as a storage part 16 for folding and storing the upper edge WU side of the side windows W1, W2.

  As shown in FIG. 1, the inflator 12 is a substantially cylindrical cylinder type, and is inserted into the connection port 22 for allowing the inflation gas to flow into the airbag 17, and is clamped from the outer peripheral side of the connection port 22. It is connected with the airbag 17 using. The inflator 12 is attached and fixed to the inner panel 2 of the roof side rail portion RR near the upper portion of the center pillar portion CP by being covered with the lower edge 5a of the roof head lining 5 using the mounting bracket 13. Yes. The inner panel 2 is a member on the body (vehicle body) 1 side of the vehicle V. The mounting bracket 13 is made of sheet metal, holds the inflator 12, and is fixed to the inner panel 2 using the mounting bolts 14.

  Each attachment bracket 49 attaches and fixes each attachment portion 28 of the airbag 17 to the inner panel 2 with an attachment bolt 50 (see FIG. 16). Each mounting bolt 50 is fastened to a mounting hole 2a formed in the inner panel 2 by providing a nut 2b.

  As shown in FIGS. 1 and 2, the airbag cover 10 includes a lower edge 4 a side of the front pillar garnish 4 disposed in the front pillar portion FP and a lower edge of the roof head lining 5 disposed in the roof side rail portion RR. 5a side. The front pillar garnish 4 and the roof head lining 5 are made of synthetic resin. The front pillar garnish 4 is attached to the inner side of the inner panel 2 on the body 1 side of the front pillar portion FP, and the roof head lining 5 is attached to the inner side of the inner panel 2 on the body 1 side of the roof side rail portion RR. It is attached. The roof head lining 5 is disposed from the vicinity above the front pillar portion FP to the vicinity above the rear pillar portion RP via the center pillar portion CP. A center pillar garnish 7 and a rear pillar garnish 8 made of synthetic resin are also arranged on the inner side of the center pillar portion CP and the rear pillar portion RP, respectively.

  As shown in FIGS. 1 and 3, the airbag 17 flows in the inflation gas G from the inflator 12 so as to cover the vehicle interior sides of the side windows W <b> 1 and W <b> 2, the center pillar portion CP, and the rear pillar portion RP. Then, it expands and expands from the upper edge WU side of the side windows W1, W2 as the storage portion 16 stored in a folded state. The airbag 17 includes a bag body 18 and an adhesion layer 40.

  As shown in FIGS. 3 and 5, the bag body 18 includes a vehicle inner wall portion 19 that is disposed on the vehicle inner side I and a vehicle outer wall portion 20 that is disposed on the vehicle outer side O when the expansion is completed, and is expanded in a substantially plate shape. To complete. The bag body 18 has a gas inflow portion 21 (see FIG. 3) that can be inflated to allow the inflation gas G to flow in and separate the vehicle inner wall portion 19 and the vehicle outer wall portion 20 from each other. A non-inflow portion 26 that does not allow the inflating gas G to flow in is connected to the outer wall portion 20. This bag body 18 is manufactured by bag weaving from yarns such as polyamide and polyester, except for the triangular plate-like plate-like portion 30 on the front end 18c side. The plate-like portion 30 is coupled to the front end 18c side of the bag body 18 by using sewing or the like.

  Further, in the case of the first embodiment, the bag body 18 is disposed in the area inside the vehicle between the side window W1 on the front seat side and the center pillar portion CP at the time of completion of deployment and receives the occupant seated in the front seat. The front side restraint portion 32 and the rear side restraint portion 33 that is disposed in the vehicle interior area of the rear seat side window W2 and the rear pillar portion RP, and receives a passenger seated in the rear seat, are configured. .

  The non-inflow portion 26 of the bag body 18 includes a peripheral edge portion 27, an attachment portion 28, a closing portion 29, and a plate-like portion 30. The peripheral edge portion 27 is formed so as to surround the periphery of the gas inflow portion 21.

  As described above, the plate-like portion 30 is formed from a woven fabric such as polyester, and is joined to the front end 18c of the bag body 18 by using sewing or the like. An attachment portion 28 is also formed at the front end of the plate-like portion 30.

  A plurality (6 in the embodiment) of the attachment portions 28 are formed so as to protrude upward from the peripheral edge portion 27 on the upper edge 18a side of the bag body 18. Each mounting portion 28 is formed with a mounting hole 28a through which the mounting bolt 50 (see FIG. 16) is inserted. As described above, the mounting bracket 49 for mounting to the inner panel 2 is fixed to each mounting portion 28, and the mounting bolts 50 inserted through the mounting holes 28a are screwed into the nuts 2b. It is fixed to the inner panel 2.

  As shown in FIG. 3, the closing portion 29 extends from the peripheral portion 27 and is arranged linearly so as to enter the region of the gas inflow portion 21 with the front restraint portion 32 and the rear restraint portion 33. Arranged to control the flow of the inflation gas G, or to regulate the thickness so that the bag body 18 can be expanded into a plate shape, the front interspersed portion 29a, the lower extension portion 29b, the rear extension It is comprised from the installation part 29c and the center interspersed part 29d. The front interspersed portion 29a is elliptical when viewed from the inside of the vehicle, and is disposed in a region on the front side of the front restraint portion 32. The lower extending portion 29b is on the bag portion 18 on the rear portion 32b side of the front restraint portion 32. It arrange | positions so that it may extend linearly from the peripheral part 27 by the side of the lower edge 18b. The rear extension 29c is disposed so as to extend in an inverted L shape from the rear end 18d of the bag body 18 to the front side. The center interspersed portion 29d is disposed between the front side restraint portion 32 and the rear side restraint portion 33.

  In the case of the first embodiment, the gas inflow portion 21 includes a connection port portion 22, a gas supply path portion 23, and an expansion main body portion 24. The gas supply path portion 23 is linearly disposed along the front-rear direction of the vehicle V on the upper edge 18a side of the bag body 18, and the front restraint portion 32 and the rear restraint portion 33 are located above the center interspersed portion 29d. Are connected to each other. The connection port portion 22 extends upward from an intermediate portion in the front-rear direction on the upper edge 18 a side of the bag body 18 and is connected to the inflator 12 so that the inflation gas G from the inflator 12 flows into the gas inflow portion 21. Is done. In the connection port portion 22, the gas G is inserted into the gas supply passage portion 23, and the expansion gas G from the inflator 12 is branched to both the front and rear sides. A rectifying cloth (not shown) is provided to flow toward.

  The expansion main body portion 24 of the gas inflow portion 21 of the bag main body 18 is an expansion portion in the area of the front side restraint portion 32 and the rear side restraint portion 33 below the gas supply passage portion 23, and the front side restraint portion 32 is inflated. The main body part 24 is configured to expand and inflate in the region of the vehicle interior I between the side window W1 and the center pillar part CP as the front side expansion part 24a, and the expansion main body part 24 of the rear side restraint part 33 is rear side expansion. The portion 24b is configured to expand and expand in a region on the vehicle inner side I between the vicinity of the front edge of the rear pillar portion RP and the side window W2.

  In the case of the first embodiment, the adhesive layer 40 is composed of a double-sided tape, and is composed of a tape material 41 which is peeled off the release paper on one side and adhered to a predetermined position on the vehicle interior side wall portion 19 of the bag body 18 ( 4B), a flexible base 42 attached to the bag body 18, and a surface of the base 42 on the side of the bag body 18 away from the vehicle interior wall portion 19 is coated with an adhesive. And an adhesive layer 43 formed. Further, a release paper 44 as an adhesion regulating material 45 is attached to the outer surface side of the adhesive layer 43. The release paper 44 is adhered to the adhesive layer 43 by the adhesive force (adhesive force) of the adhesive layer 43 itself. The release paper 44 is made of flexible paper, cloth, resin sheet, resin film, or the like.

  The portion of the bag body 18 where the adhesion layer 40 is provided is a region where the head H of the occupant C may come into contact with the vehicle V at the time of a side collision, that is, the planned contact portion 35 of the head H of the occupant C. Near the front and rear ends (front portion 32a and rear portion 32b) of the front side restraint portion 32 in the vehicle interior side wall portion (restraint side wall portion, catching side wall portion, or protection subject side wall portion) 19 on the side for receiving the occupant C, Adhesive layers 40 are disposed on the planned contact portions 35 as a total of four locations near the front and rear ends of the side restraint portion 33 (front portion 33a and rear portion 33b).

  In addition, the airbag 17 in which the adhesion layer 40 is provided on the bag main body 18 is flattened so that the vehicle inner wall portion 19 and the vehicle outer wall portion 20 overlap with each other, and the bag main body 18 is below the gas supply passage portion 23. The area of the gas supply path 23 near the upper edge 18a of the bag body 18 is folded together with the adhesion layer 40 as a roll fold 47 that winds from the lower edge 18b on the vehicle outer wall 20 side. At the same time, the bellows fold portion 46 is folded in the vertical direction (see FIG. 2).

  The adhesion layer 40 provided in each scheduled contact portion 35 is disposed in an area on the side of the vehicle interior side wall 19 below the fold 46a of the bellows fold 46 closest to the upper edge 18a of the bellows fold 46. Further, the release paper 44 is attached to a surface (contact surface 43a with the head H) on the opposite side of the adhesive layer 43 from the lower edge 18b with the lower edge 18b of the bag body 18 as a free end 44a. The base 44b side that is the other end is detached from the fold 46a, covers the roll fold 47 so as to wrap the roll fold 47 from below, and closes the outer wall 20 side. The peripheral edge 27 of the upper edge 18a is joined by sewing or the like. The upper edge 18a side of the bag body 18 is provided with a mounting portion 28, which is the side for fixing and fixing the airbag 17 to the inner panel 2. Therefore, the base portion 44b side of the release paper 44 is mounted on the airbag 17. It is fixed on the fixed side.

  The airbag 17 is manufactured after the bag body 18 is manufactured by bag weaving, and then the plate-like portion 30 is joined to the front end 18c side of the bag body 18 using sewing or the like, If the tape material 41 is pasted and a rectifying cloth (not shown) is disposed in the connection port portion 22, the tape can be manufactured.

  As described above, the airbag 17 manufactured in this manner is provided with the roll folding portion 47 and the bellows folding portion 46, and the bag body 18 is folded together with the adhesive layer 40. The portion 44b is joined to the peripheral portion 27 on the upper edge 18a side, and the bag body 18 is wound with a wrapping material for preventing breakage (not shown) that can be broken. Next, the inflator 12 to which the mounting bracket 13 has been attached is connected to the connection port 22 of the bag body 18 (airbag 17) using the clamp 15, and the mounting bracket 28 is attached to each mounting portion 28 of the airbag 17. If 49 is attached, an airbag assembly can be formed.

  Thereafter, the mounting brackets 49, 13 are arranged at predetermined positions on the inner panel 2 on the body 1 side, and the mounting bolts 50, 14 are tightened by inserting the mounting holes 28a, etc. The airbag assembly is fixed to the inner panel 2 and attached to the body 1. Next, if a lead wire (not shown) extending from a predetermined control device for inflator operation is connected to the inflator 12 and the front pillar garnish 4 and the roof head lining 5 are attached to the body 1, the airbag device M1 of the first embodiment is obtained. It can be mounted on the vehicle V.

  If the inflator 12 is actuated after the airbag device M1 for protecting the head is mounted on the vehicle V, the inflation gas G from the inflator 12 in the bag body 18 as shown by the two-dot chain line in FIG. The gas flows into the gas supply path 23 from the connection port 22 and flows through the gas supply path 23 toward both sides in the front-rear direction, to the front expansion part 24a and the rear expansion part 24b of the expansion main body 24 of the bag body 18. Since the air flows in, the front expansion portion 24a and the rear expansion portion 24b break the wrapped wrapping material (not shown), and the air on the lower edges 4a and 10a side of the front pillar garnish 4 and the roof head lining 5 As shown by the two-dot chain line in FIG. 1, while pushing the bag cover 10 open and projecting downward, the side windows W1, W2, the center pillar portion CP, and the rear pillar portion R To cover the interior side of, and thus to increase deployment and inflation.

  4A and 4B, the release paper 44 is peeled off from the site of the adhesive layer 43 near the fold 46a of the bellows fold 46, and further, As shown in FIGS. 5A and 5B, the bag body 18 is peeled off from the adhesive layer 43 sequentially as it expands and expands. And the airbag 17 will complete the expansion | swelling by exposing the whole area by the side of the contact surface 43a in the adhesion layer 43 of the adhesion layer 40 in the vehicle interior side wall part 19 of the bag main body 18 to the vehicle inside I.

  And in the airbag apparatus M1 for head protection of 1st Embodiment, the airbag 17 completes expansion | swelling, and as shown in FIG. 6, the head H of the passenger | crew C as a protection subject is O vehicle outside O direction. The attachment layer 40 comes into contact with the head H of the occupant C, and the head H as the contact object CT is attached to the bag body 18 to receive the head H of the bag body 18. Relative displacement movement of the head H in the direction along the surface of the (inner side wall portion 19), that is, the direction along the inner side wall portion 19, with the bag body 18 is suppressed.

  Therefore, even if the side window glass WG is lowered and the side window W1 is opened, a shift in the downward direction along the vehicle interior side wall portion 19 in the head H of the occupant C is suppressed, and the airbag 17 can pass through. The movement of the occupant C toward the vehicle outer side O can be suppressed, and the airbag 17 that has been inflated can accurately restrain the occupant C that is received on the vehicle inner side I.

  And such an adhesion layer 40 should just be arrange | positioned by sticking to the contact plan part 35 of the vehicle interior side wall part 19 used as the site | part which contacts the passenger | crew's C head H of the bag main body 18, and is an airbag. 17 cushioning is not hindered. Of course, there is no need to provide the airbag with a portion that the conventional airbag has, that is, a portion that abuts and supports the L-shaped vehicle body side portion across the two areas of the pillar portion and the door trim from the vehicle interior side. Therefore, the volume of the part to be supported can be made unnecessary, and good restraining performance to the vehicle interior I of the occupant C can be secured without increasing the volume of the airbag.

  Further, the adhesion layer 40 of the airbag 17 according to the first embodiment adheres the head H of the occupant C of the person to be protected as the contact object CT to the bag body 18 and increases the frictional resistance. Compared with the case where a hook-and-loop fastener, a silicon coat, or the like to be provided is provided on the bag body, the relative displacement movement at the time of contact between the bag body 18 and the head H as the contacted object CT can be further suppressed. That is, in the airbag 17 provided with the adhesion layer 40 of the first embodiment, the force for adhering the head H of the adhesion layer 40 in addition to the frictional resistance of the head H itself as the contact object CT with respect to the adhesion layer 40. Can be used for suppression of displacement movement, and therefore relative displacement movement at the time of contact between the bag body 18 and the head H can be further suppressed.

  Therefore, in the airbag apparatus M1 of the first embodiment, the cushioning property of the airbag 17 that receives the occupant C as the person to be protected is not hindered, and the volume of the airbag 17 is not increased. The restraint performance of the passenger C on the vehicle interior side I can be improved.

  Further, in the first embodiment, the adhesion layer 40 includes the adhesive layer 43, and when the bag body 18 is folded and stored, the contact surface with the head H of the occupant C as the contact object CT in the adhesive layer 43. The release paper 44 as the adhesive regulating material 45 is attached to the 43a side, and the release paper 44 is peeled off from the contact surface 43a side with the head H in the adhesive layer 43 when the airbag 17 is deployed and inflated. It is installed. Therefore, in such a configuration, the release paper 44 as the adhesion regulating member 45 is peeled from the contact surface 43a side of the pressure-sensitive adhesive layer 43 with the head H at the time of inflation. The expansion of the pressure-sensitive adhesive layer 43 hindering the expansion can be completed by suppressing the adhesion to unnecessary portions (for example, the side window glass WG or the center pillar garnish 7 in the middle of expansion) as much as possible. Even with the layer 43, the expansion can be completed quickly.

  Such an adhesive regulating material is separated from the bag body 18 as in the release paper 44 of the first embodiment, and the upper end (base portion 44b) side is folded and stored on the upper edge 18a side of the airbag 17 when stored. The airbag device M2 for protecting the head according to the second embodiment shown in FIGS. 7 to 10 is arranged so as to be peeled off from the adhesive layer 43 as the airbag 17 is inflated. Like the airbag 17A, the bag body 18A itself may be used.

  In the airbag 17A, a coating layer such as silicon rubber for preventing gas leakage is provided on the surface side of the vehicle outer side wall portion 20 of the bag body 18A together with the surface side of the vehicle inner side wall portion 19, and the vehicle outer side wall. The part 20 itself is used as an adhesion regulating member 45A. The airbag 17A is folded from the lower edge 18b to the upper edge 18a together with the adhesive layer 40 provided on each scheduled contact portion 35 by roll folds in which the bag body 18A is wound on the vehicle outer wall portion 20 side. The contact surface 43a side of the 40 adhesive layer 43 with the head H comes into contact with the vehicle outer wall 20 and is folded. In the second embodiment, the entire bag body 18A is rolled and the adhesive strength of the adhesive layer 43 on the inner side wall portion 19 side of the base 42 of the tape material 41A is reduced without using the release paper 44. The point which is made stronger than the adhesive strength with respect to the outer side wall part 20 is different from that of the first embodiment, and other configurations are the same as those of the first embodiment.

  And in the airbag apparatus M2 of this 2nd Embodiment, if the inflator which is not shown in figure operates and the bag main body 18A of the airbag 17A expand | deploys and expands at the time of operation | movement, as shown to AC of FIG. Along with the cancellation of the folding, the adhesive layer 43 of the adhesion layer 40 peels from the vehicle outer side wall portion 20 of the bag main body 18A, and the contact surface 43a is formed on the vehicle inner side I of the bag main body 18A that has been expanded and inflated. Will be exposed. Therefore, as shown in FIG. 10, if the head H of the occupant C as the contacted object CT moves to the vehicle outer side O and tries to contact the planned contact portion 35, the adhesion layer 40 of the planned contact portion 35. Since the adhesive layer 43 in FIG. 1 attaches the head H to the bag body 18A and suppresses the displacement movement of the head H in the direction along the vehicle interior side wall portion 19, the same actions and effects as in the first embodiment are achieved. Obtainable.

  Further, when the adhesive regulating material of the adhesive layer 43 is configured from the bag body, the vehicle outer side wall portion 20 as in the airbag 17B of the head protecting airbag device M3 of the third embodiment shown in FIGS. Instead, the adhesion regulating member 45B may be formed by the vehicle interior side wall 19 itself.

  In the airbag 17B of the third embodiment, a coating layer such as silicon rubber for preventing gas leakage is provided on the surface side of the vehicle interior side wall portion 19 of the bag body 18B together with the surface side of the vehicle exterior wall portion 20. The inner wall portion 19 of the vehicle itself is used as an adhesion regulating member 45B. In the airbag 17B, the bag body 18B is folded by bellows folding together with the adhesive layer 40B provided on each contact planned portion 35 from the lower edge 18b to the upper edge 18a. And the adhesion layer 40B provided in each scheduled contact part 35 has the tape material 41B intermittently disposed on one side of the opposing surface of the bellows folded. In this third embodiment, the tape material 41B is provided intermittently in the vertical direction without using the release paper 44 at each planned contact portion 35 of the vehicle interior side wall portion 19, and the entire bag body 18B is folded bellows. Furthermore, the point that the adhesive strength of the tape material 41B to the vehicle interior side wall 19 side of the base 42 is made stronger than the adhesion strength of the adhesive layer 43 to the vehicle interior wall 19 is different from the first embodiment. Other configurations are the same as those in the first embodiment.

  And in the airbag apparatus M3 of this 3rd Embodiment, if the inflator which is not shown in figure operates and the bag main body 18B of the airbag 17B expand | deploys and expands at the time of operation | movement, as shown to AC of FIG. As the fold is released, the adhesive layer 43 of the adhesive layer 40B is peeled off from the vehicle interior side wall portion 19 of the bag body 18B, and the contact surface 43a is formed on the vehicle inner side I of the bag body 18B that has been expanded and inflated. It will be exposed. Therefore, as shown in FIG. 14, if the head H of the occupant C as the contact object CT moves to the vehicle outer side O and tries to contact the contact planned portion 35, the adhesion layer 40 </ b> B of the planned contact portion 35. Since the adhesive layer 43 in the attachment causes the head H to adhere to the bag body 18B and suppresses the displacement movement of the head H in the direction along the vehicle inner wall portion 19, the same actions and effects as in the first embodiment are achieved. Obtainable.

  Further, the contact object CT to be adhered to the adhesion layer is not the occupant C itself but at least one of the front side, the rear side, or the lower side excluding the upper edge WU side at the periphery of the vehicle inner side I of the side windows W1, W2. It is good also as the vehicle body side site | part WP including one edge (a front edge, a rear edge, or a lower edge). That is, for example, in the airbag device M4 for head protection according to the fourth embodiment shown in FIGS. 15 to 19, the vehicle body side portion WP with which the airbag 17 </ b> C at the completion of deployment is in contact with the outside of the vehicle is referred to as the side window W <b> 1. A center pillar portion CP (specifically, center pillar garnish 7) on the rear side and the front side of the side window W2, and a rear pillar portion RP (specifically, rear pillar garnish 8) on the rear side of the side window W2, Adhesive layers 40C (40CF, 40CB) are disposed on the contact portion 35 that comes into contact with the vehicle body side portion WP in the vehicle outer side wall portion (also referred to as a vehicle body side wall portion) 20 of the airbag 17C. These front and rear adhesive layers 40C (40CF, 40CB) are disposed so that the base 42 side of the tape material 41C is adhered to the vehicle outer wall 20 and the adhesive layer 43 is exposed on the vehicle outer side O. . Note that no release paper is provided on the contact surface 43a side of the adhesive layer 43 with respect to the vehicle body side portion WP, and the vehicle interior side wall portion 19 itself is used as the adhesion regulating member 45, similar to the second embodiment. The bag body 18 </ b> C is folded by roll wrapping around the vehicle outer wall portion 20. Further, the adhesion layers 40CF and 40CB are adhered to substantially the entire area in the vertical direction of the center pillar garnish 7 and the rear pillar garnish 8 on the vehicle inner side I of the center pillar portion CP and the rear pillar portion RP that are in contact with each other. In addition, the length dimension in the vertical direction is set.

  In the airbag device M4 according to the fourth embodiment, when the inflator 12 is activated during operation and the inflation gas is supplied to the airbag 17C, the bag body 18C of the airbag 17C is expanded and inflated. As shown in A to C, the adhesive layer 43 of the adhesive layer 40C (40CF, 40CB) is peeled off from the vehicle interior side wall portion 19 of the bag body 18C with the cancellation of the folding of the roll fold, and the expansion and expansion are completed. The center pillar garnish 7 and the rear pillar garnish 8 on the inside I of the center pillar CP and the rear pillar RP as the contact planned portion 35 are exposed to the inside I of the bag body 18C. It will adhere.

  Therefore, as shown in FIG. 19, the occupant C tries to move to the vehicle outer side O through the side window W1 without the side window glass WG, and the front side inflating part 24a and the rear side constraining part of the front side restraining part 32 of the airbag 17C. Even if the rear expansion portion 24b (see FIG. 17) 33 is pressed against the vehicle outer side O, the adhesion layers 40CF and 40CB provided on the rear portion 32b of the front restraint portion 32 and the rear portion 33b of the rear restraint portion 33 are the vehicle body side portions. It is attached to the center pillar garnish 7 and the rear pillar garnish 8 as WP. As a result, the vehicle body side part WP (the center pillar garnish 7 and the rear pillar garnish 8) as the contacted object CT and the bag body 18C are displaced in the direction along the vehicle interior side wall portion 19 (front and rear direction or upward direction). Since the movement of the airbag 17C itself through the side windows W1 and W2 to the outside of the vehicle O is suppressed and the inflation is completed, the airbag 17C that has been inflated is an occupant as a protected person It is difficult to shift along the vehicle interior side wall portion 19 between C and the vehicle body side portion WP, and as a result, the received occupant C can be accurately restrained to the vehicle interior side I.

  Then, like the first embodiment, such an adhesion layer 40C is simply formed on a portion of the vehicle outer side wall portion 20 that is a portion that comes into contact with the vehicle body side portion WP at the periphery of the side windows W1, W2 in the bag body 18C. It is only necessary to stick, and the cushioning property of the airbag 17C is not hindered.

  Further, even when the adhesion layer 40C is provided on the portion of the vehicle outer side wall portion 20 that is in contact with the vehicle body side portion WP at the periphery of the side windows W1 and W2 in the bag body 18C, the adhesion layer 40C is provided on the vehicle body side portion. It is only necessary to provide the airbag with a volume that can be attached to the WP. Compared to the conventional case where the L-shaped body side part straddling the two areas of the pillar part and the door trim is contacted and supported from the vehicle interior side. The volume of the airbag 17C can be reduced, and as a result, an increase in time from the start of inflation of the airbag 17C to the completion of inflation can be suppressed, and a large inflator can be eliminated.

  Furthermore, in the airbag 17C provided with the adhesion layer 40C of the fourth embodiment, compared to the case where a hook-and-loop fastener, a silicon coat, or the like that increases the frictional resistance is provided on the bag body, the contact object CT itself is attached to the adhesion layer 40C. In addition to the frictional resistance, the force of adhering the contact object CT of the adhesion layer 40C can be used to suppress the displacement movement, so that the relative displacement movement at the time of contact between the bag body 18C and the contact object CT can be further increased. Further suppression is possible, and the same actions and effects as in the first embodiment can be obtained.

  Furthermore, in the fourth embodiment, the case where the adhesion layer 40C is adhered to the front and rear edges EL (center pillar portion CP and rear pillar portion RP) on the periphery of the vehicle inner side I of the side windows W1, W2 has been described. Like the airbag apparatus M5 for head protection of 5th Embodiment shown to -22, you may comprise so that the adhesion layer 40D may be made to adhere to lower edge ED in the vehicle inside I of the side window W2. .

  In the airbag device M5 of the fifth embodiment, the adhesion layer 40DF disposed on the front side of the adhesion layer 40D (40DF, 40DB) provided on the vehicle outer wall 20 of the bag body 18D of the airbag 17D is adhered. The contact object CT is the center pillar garnish 7 of the center pillar portion CP, which is the same as that of the fourth embodiment. However, the contact object CT to which the adhesion layer 40DB disposed on the rear side attaches the contact object CT of the side window W2. Including the lower edge ED (in the case of the embodiment, the door trim DT) at the periphery of the vehicle inner side I, as an inverted T-shaped vehicle body side part WP that can contact the side window glass WG and the edge ED above it, It is arranged.

  Furthermore, the airbag 17D of the fifth embodiment has the release paper 44 as the adhesion regulating material 45 adhered to the contact surface 43a side of the adhesion layer 43 in each adhesion layer 40DF, 40DB to the vehicle body side portion WP, Folded and stored. In the case of the fifth embodiment, as in the first embodiment, as shown in FIG. 21, the airbag 17D has a region below the gas supply passage 23 extending from the lower edge 18b side to the vehicle outer wall portion 20 side. A roll fold portion 47 is provided, and a region of the gas supply passage portion 23 is a bellows fold portion 46 that is folded by bellows fold. The release paper 44 is attached to the contact surface 43a side of the vehicle outer side O with the lower edge 18b side as a free end 44a, and from the fold 46b on the vehicle outer side O of the bellows fold portion 46 to the roll fold portion 47. The roll folding part 47 is covered so as to wrap downward, and the base part 44b is coupled to the upper edge (the attachment fixing side of the airbag 17D) 18a of the vehicle interior I.

  In the airbag apparatus M5 of the fifth embodiment, during operation, as shown in FIGS. 22A to 22C, the airbag 17D is inflated by inflating an inflation gas from an inflator (not shown). The release paper 44 is peeled off from the portion of the adhesive layer 43 near the fold 46b of the bellows fold 46, and further toward the lower edge 18b of the bag body 18D as the bag body 18D expands and expands. Peel from the adhesive layer 43. And the airbag 17 exposes the adhesive layer 43 of the adhesion layer 40D to the vehicle outer side O on the vehicle outer side O of the bag body 18D, and the vehicle body side part WP (center pillar garnish 7, side window glass WG, and edge ED). Alternatively, the adhesion layer 40D is adhered to the door trim DT) to complete the expansion.

  Also in the fifth embodiment, after the airbag 17D completes the inflation, the occupant C who wants to move to the vehicle outer side O is instructed by the front inflation portion 24a or the rear restraint of the front restraint portion 32 of the airbag 17D. Even if the rear side expansion part 24b (see FIG. 20) of the part 33 is pressed against the vehicle outer side O, the adhesion layers 40DF and 40DB provided on the rear part 32b of the front side restraint part 32 and the rear part 33b of the rear side restraint part 33 are The center pillar garnish 7 as the part WP, the side window glass WG of the side window W2, and the door trim DT are attached. As a result, the vehicle body side portion WP (the center pillar garnish 7, the side window glass WG of the side window W2, and the door trim DT) as the contacted object CT and the front-rear direction along the vehicle inner side wall 19 between the bag body 18D. Since the displacement movement of the airbag 17D itself to the vehicle outer side O is suppressed and the inflation is completed, the airbag 17D is inflated between the occupant C and the vehicle body side part WP. As a result, the received occupant C can be accurately restrained to the vehicle interior I, and the same actions and effects as in the fourth embodiment can be obtained.

  In the fifth embodiment, the rear adhesion layer 40DB has been described as being adhered to the side window glass WG of the side window W2. However, of course, the side window glass WG is lowered or caused by a collision. Even if the air bag 17D disappears, if the airbag 17D completes the expansion, the adhesion layer 40DB adheres to the door trim DT (edge ED) as the vehicle body side portion WP. For this reason, the airbag 17D that has been inflated is prevented from moving to the vehicle outer side O through the side window W2 due to the adhesion of the adhesion layer 40DB to the door trim DT, and thus is the same as in the fourth embodiment. It is possible to obtain various actions and effects.

  In the first to fifth embodiments, the adhesive layers 40, 40B, 40C, and 40D are formed from the adhesive layer 43. However, the adhesive layer is not merely an increase in frictional resistance, For example, when the part provided with the adhesion layer on the bag body is pressed against the light object from above and then lifted, the light object can be lifted, or the weight of the light object can be lifted even if it cannot be lifted in the air. It can be lifted so that it can be slightly light in a short time, and can be composed of a foaming layer for adsorption in addition to the adhesive layer 43.

  As shown in FIG. 23, such a foam layer 53 is made of a polymer elastic body such as urethane resin, acrylic resin, silicone rubber, styrene-butadiene rubber, nitrile rubber, and the like. Adhesive is formed by pressing the surface side with the open bubbles against a predetermined site, and the pressure in the openings is reduced compared to the atmospheric pressure. It is a material that can be repeatedly attached to a predetermined site without using an adhesive. In the case of the illustrated example, the suction sheet 51 is arranged in the airbag. The adsorption sheet 51 is configured by providing a foam layer 53 on a sheet-like base 52 made of a synthetic resin such as flexible paper, polyester, polyimide, polyvinyl chloride, polyethylene, or polypropylene. Further, the adsorbing sheet 51 is provided with an adhesive layer (not shown) to be bonded to the bag body 18E on the surface of the base 52 opposite to the foam layer 53, and using the adhesive layer, the bag body 18E. An adsorbing sheet 51 is provided. Incidentally, the foam layer 53 has a foaming ratio of about 1.2 to 10 times and a thickness of 0.3 to 1.0 mm.

  The airbag device M6 for protecting the head according to the sixth embodiment shown in FIGS. 24 to 26 is configured by providing the above-described suction sheet 51 on the airbag 17E. Specifically, the suction sheet 51 is in the contact scheduled portion 35 of the head H in the bag body 18E of the airbag 17E, in other words, at the same position as the tape material 41 provided in the airbag 17 of the first embodiment. The adhering layer 40 </ b> E is composed of the adsorbing sheet 51 by being bonded.

  In the sixth embodiment, the airbag 17E is folded and mounted on the vehicle V with the inflator assembled, similarly to the airbag 17 of the first embodiment, without providing the release paper 44.

  In the airbag apparatus M6 according to the sixth embodiment, during operation, an inflator (not shown) is operated, and the inflation gas G flows into the bag body 18E through the connection port 22, and further toward both sides in the front-rear direction. Since it flows through the gas supply path 23 and flows into the front side expansion part 24a and the rear side expansion part 24b of the expansion main body part 24 of the bag body 18E, the front side expansion part 24a and the rear side expansion part 24b are wrapped. The wrapping material (not shown) is broken, and the airbag cover 10 on the lower edges 4a and 10a side of the front pillar garnish 4 and the roof head lining 5 is pushed open so as to be released and protrude downward. As shown in the two-dot chain lines of FIG. 26 and A to C in FIG. 26, the side windows W1, W2, the center pillar portion CP, and the rear pillar portion RP And thus to open expansion.

  And also in the airbag apparatus M6 of 6th Embodiment, after the airbag 17E completes expansion | swelling similarly to 1st Embodiment, as shown to C of FIG. 26, the passenger | crew's C head as a protection subject The portion H moves toward the vehicle outer side O, and the foam layer 53 in the suction sheet 51 of the adhesion layer 40E comes into contact with the head H of the occupant C, and the head H as the contact object CT is attached to the bag body 18E. Adhering (adsorbing) is performed to suppress the displacement of the head H in the direction along the vehicle inner wall portion 19 relative to the bag body 18E.

  Therefore, the downward displacement of the head H of the occupant C in the downward direction along the vehicle interior side wall portion 19 is suppressed, so that the movement of the occupant C to the vehicle outer side O through the airbag 17E can be suppressed, and the inflation is completed. The airbag 17E that has been made can accurately restrain the occupant C that has been received on the vehicle interior side I.

  Then, such an adhesion layer 40E may be simply disposed by adhesion on the planned contact portion 35 of the vehicle interior side wall portion 19 which is a portion that contacts the head H of the occupant C of the bag body 18, and the airbag 17E. Does not hinder the cushioning. Of course, since there is no need to provide a part that the conventional airbag had, that is, a part that abuts and supports the L-shaped vehicle body side part across the two areas of the pillar part and the door trim from the inside of the vehicle, The volume of the part to be supported can be made unnecessary, and good restraining performance of the occupant C on the vehicle inner side I can be secured without increasing the volume of the airbag.

  And furthermore, the suction sheet 51 in the adhesion layer 40E of the airbag 17E of the sixth embodiment attaches the head H of the occupant C who is the subject to be protected as the contact object CT to the bag body 18E, Compared with the case where a hook-and-loop fastener or a silicone coat that increases the frictional resistance is provided on the bag body, the relative displacement movement at the time of contact between the bag body 18E and the head H as the contacted object CT is further suppressed. It becomes possible. That is, in the airbag 17E provided with the adhesion layer 40E of the sixth embodiment, in addition to the frictional resistance of the head H itself as the contact object CT with respect to the adhesion layer 40E, the force that adheres the head H of the adhesion layer 40E. Can be used for suppression of displacement movement, and therefore relative displacement movement at the time of contact between the bag body 18E and the head H can be further suppressed.

  Therefore, in the airbag apparatus M6 of the sixth embodiment, as in the first embodiment, the cushioning property of the airbag 17 that receives the occupant C is not hindered, and the volume of the airbag 17 is not increased. The restraining performance of the occupant C on the inner side I of the bag 17 can be improved.

  In the case of the sixth embodiment, it is not necessary to provide the release paper 44 as compared with the first embodiment. Therefore, it is not necessary to connect the base portion 44b to the bag body 18 side, and the head protection is provided. The airbag device M6 can be easily mounted on the vehicle V.

  Further, as in the fourth and fifth embodiments, the adhering layer 40E made of the adsorbing sheet 51 is provided on the surface of the bag outer side O of the bag body 18E, and the front and rear of the side window on the vehicle inner periphery. You may comprise so that it may adhere (adsorb | suck) with respect to the site | part of the pillar part and door trim used as the edge EL of this, or the lower edge ED.

  Of course, the adhesive layer 40E may be disposed by applying a foaming agent and foaming the bag body itself without using the adsorbing sheet 51.

  Further, as in the airbag 17F of FIGS. 27 and 28, the adhesion layer 40E is applied to the entire surface of the vehicle interior I and vehicle exterior O of the bag body 18F, in other words, between the vehicle interior side wall 19 and the vehicle exterior wall 20. The adhesion layer 40E may be provided on the entire outer surface. In the case of such a configuration, the adhesion layer 40E can be used as a coating layer that ensures gas sealing properties that prevent leakage of inflation gas from the bag body 18F itself.

  Of course, when the coating layer exhibiting such a gas sealing property is formed of an adhesive layer, as shown in FIG. 29, the adhesive layer 40 made of the tape material 41 provided with the adhesive layer 43 is attached to the airbag 17G. The bag main body 18G may be disposed on the entire surface of at least one of the vehicle inner wall portion 19 and the vehicle outer wall portion 20.

  Furthermore, like airbags 17 ′, 17A ′, 17B ′, and 17E ′ of modified examples of the airbags 17, 17A, 17B, and 17E of the first, second, third, and sixth embodiments shown in FIGS. Adhesive layers 40, 40B, and 40E are provided in a wide area before and after the front side restraint portion 32 and the rear side restraint portion 33 of the vehicle interior side wall portion 19 on the front surface side of the bag body 18 without considering the gas sealing property. Also good.

  Furthermore, in each embodiment, although the airbag apparatus which uses the airbag for head protection which can protect the passenger | crew's head as a protection subject was illustrated, as another airbag apparatus, it is a vehicle hood. This is applicable to airbag devices that use airbags for protecting pedestrians placed around the panel and its surroundings, or airbag devices that use airbags for protecting the upper body of passengers placed on the seats of vehicles. The invention can be implemented.

1 ... (Body) Body,
16 ... storage part,
17, 17A, 17B, 17C, 17D, 17E, 17F, 17G, 17 ', 17A', 17B ', 17E' ... airbags,
18, 18A, 18B, 18C, 18D, 18E, 18F, 18G ... bag body,
18a ... upper edge,
18b ... lower edge,
19 ... Inner side wall,
20 ... the outer wall of the vehicle,
35 ... planned contact part,
40, 40B, 40C, 40D, 40E ... adhesion layer,
43 ... Adhesive layer,
43a ... contact surface,
51 ... Adsorption sheet,
W1, W2 ... side window,
CT: contacted object,
WP ... body side part,
C ... (person to be protected) Crew,
H ... head,
V ... Vehicle,
M1, M2, M3, M4, M5, M6... (For protecting the head) airbag device.

Claims (9)

An airbag device that is mounted on a vehicle and configured to include an airbag that is inflated and deployed from a storage site by allowing inflation gas to flow in so as to receive a person to be protected during operation.
The airbag includes a bag body that inflates by inflating an inflating gas, and an adhesion layer disposed on at least a part of the surface side of the bag body,
The adherent layer attaches the contacted object to the bag body so that relative displacement between the contacted object contacting the bag body and the bag body at the time of completion of expansion can be suppressed. An airbag device characterized by being configured.   The airbag device according to claim 1, wherein the adhesion layer includes an adhesive layer or a foaming layer for adsorption. The contacted object is set as the head of a human body as a person to be protected,
The airbag device according to claim 1 or 2, wherein the adhesion layer is disposed on a contact portion of the bag body that comes into contact with the head when the inflation is completed. The contacted object is set as a vehicle body side part on the vehicle body side,
The airbag device according to claim 1 or 2, wherein the adhesion layer is disposed in a portion to be contacted with the vehicle body side portion of the bag body when the inflation is completed. The airbag is
Folded and stored on the upper edge of the side window inside the vehicle, and expanded and inflated to cover the inside of the side window when inflating gas flows in, protecting the passenger's head as the person to be protected Possible head protection airbag,
The airbag main body includes a vehicle inner side wall portion that is disposed on the vehicle inner side and a vehicle outer side wall portion that is disposed on the outer side of the vehicle when the expansion is completed,
It includes at least one edge of a front edge, a rear edge, or a lower edge excluding a portion of the vehicle inner wall portion that comes into contact with the passenger's head, or an upper edge side of a peripheral edge of the side window in the vehicle outer wall portion. 5. The airbag device according to claim 3, wherein the adhesion layer is disposed at a portion that contacts the vehicle body side portion. 6.   The said adhesion layer is arrange | positioned in the whole surface of at least one of the vehicle inner side wall part or the vehicle outer side wall part of the said bag main body as a coating layer which has gas-sealing property, It is characterized by the above-mentioned. Airbag device. The adhesive layer is composed of an adhesive layer,
At the time of folding and storing the bag body, an adhesion regulating material is attached to the contact surface side with the contacted object in the adhesive layer,
7. The adhesive regulating material according to claim 2, wherein the adhesive regulating member is disposed so as to be peeled off from a contact surface side of the adhesive layer with the contacted object when the airbag is deployed and inflated. The airbag apparatus of any one of Claims.   The adhesion regulating material is separated from the adhesive layer as the airbag main body is separated from the bag body by fixing at least one end to the mounting and fixing side of the airbag at the time of folding and storing. The airbag device according to claim 7, wherein the airbag device is disposed.   The airbag device according to claim 7, wherein the adhesion regulating member is constituted by the bag body itself.

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