JP5448646B2 - Protective bag for car - Google Patents

Protective bag for car Download PDF

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JP5448646B2
JP5448646B2 JP2009197319A JP2009197319A JP5448646B2 JP 5448646 B2 JP5448646 B2 JP 5448646B2 JP 2009197319 A JP2009197319 A JP 2009197319A JP 2009197319 A JP2009197319 A JP 2009197319A JP 5448646 B2 JP5448646 B2 JP 5448646B2
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inner member
inflator
end portion
stitched
protective bag
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JP2011046312A (en
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光宏 吉田
琢己 谷地
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Nihon Plast Co Ltd
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Nihon Plast Co Ltd
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Description

本発明は、自動車用乗員頭部を保護する保護バッグに関するものである。   The present invention relates to a protective bag for protecting an automobile passenger's head.

従来の自動車用乗員頭部を保護するカーテン状の保護バッグとしては、車体に固定されたインフレータと、該インフレータより吹き出された高圧且つ高温のガスにより膨張可能なるエアバッグ本体とよりなり、エアバッグ本体の内部には、筒状のインナー部材が配置されているものが知られている。このインナー部材は、帯状のシート材を折り返して、その折返し線が下側になるようにエアバッグ本体のシート材の間に挟まれて配され、縫い糸によりエアバッグ本体とインナー部材とを共に縫合されることにより形成されてなる。インフレータには、該インナー部材の後縁が巻装してなる。そして、インフレータからの発生ガスは、インナー部材を通ってエアバッグ本体内に充填され、エアバッグ本体の膨張展開を促すことになる（先行技術文献１）ものが、従来技術として知られている。   As a conventional curtain-shaped protective bag for protecting a passenger head for an automobile, an airbag includes an inflator fixed to a vehicle body and an airbag main body that can be inflated by high-pressure and high-temperature gas blown from the inflator. There is known a body in which a cylindrical inner member is arranged. The inner member is folded between the belt-like sheet material and is sandwiched between the sheet materials of the airbag main body so that the folding line is on the lower side, and the airbag main body and the inner member are stitched together with a sewing thread. To be formed. The inflator is formed by winding the rear edge of the inner member. The gas generated from the inflator is known in the prior art as being filled in the airbag main body through the inner member and urging the inflation and deployment of the airbag main body (prior art document 1).

特開２０００−１２７８８６号公報JP 2000-127886 A

しかしながら、従来技術は、インフレータから発生するガスは、高温且つ高圧であるので、インナー部材内を流れる際に、縫い目に直接当たるおそれがあり、かかる対策として、原価の高価な耐熱性に優れた縫い糸で縫合するなど、工夫を必要とする。このため、保護バッグの製造原価を低減することが困難となる、という課題がある。   However, since the gas generated from the inflator has a high temperature and a high pressure in the prior art, there is a risk of directly hitting the seam when flowing in the inner member. Needs some ingenuity, such as stitching. For this reason, there exists a subject that it becomes difficult to reduce the manufacturing cost of a protective bag.

上記の課題を解決するために、本発明は、高価な耐熱性に優れた縫い糸による縫合をしなくても、インフレータから発生するガスによる熱の影響を受けにくくし、製造原価の低減を図れる自動車用保護バッグを提供するものである。   In order to solve the above-described problems, the present invention is an automobile that is less susceptible to the heat of gas generated from an inflator and can be manufactured at a lower cost, without being sewn with an expensive heat-resistant sewing thread. A protective bag is provided.

上記の課題を解決するために、本発明の請求項１記載の自動車用保護バッグは、インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の端部同士と前記第２インナー部材の端部とが重ねて共に縫合してなり、前記覆い部材は、前記第２インナー部材の他端部によりなることを特徴とする。 In order to solve the above problems, a protective bag for an automobile according to claim 1 of the present invention is an automobile having at least an inflator and an airbag body that is inflatable by a high-temperature gas introduced by the inflator. in use the protective bag, wherein the inner side of the airbag body, Ri Na by disposing an inner member which covers from the inside by covering member which is arranged to block the and suture engaging portion forms a tubular communicating with the inflator by suturing The inner member is composed of a first inner member and a second inner member, the end portions of the first inner member and the end portion of the second inner member are overlapped and sewn together, and the covering member is The second inner member has the other end .

また、本発明の請求項２記載の自動車用保護バッグは、インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の一端部と、前記第２インナー部材の一端部とが縫合してなり、前記覆い部材は、前記第１インナー部材又は第２インナー部材の他端部によりなることを特徴とする。 Further , the automobile protective bag according to claim 2 of the present invention is the automobile protective bag having at least an inflator and an airbag body that is inflatable by a high-temperature gas introduced by the inflator. An inner member is formed on the inner side of the bag body so as to form a tubular shape that communicates with the inflator by stitching, and is covered from the inner side by a covering member that is arranged to block the stitched portion. It consists of an inner member and a second inner member , one end of the first inner member and one end of the second inner member are stitched together, and the covering member is the first inner member or the second inner member It is characterized by comprising the other end portion.

また、本発明の請求項３記載の自動車用保護バッグは、インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の両端部と前記第２インナー部材の一端部とが縫合してなり、前記第１インナー部材の両端部の間に前記第２インナー部材の一端部を挿入後、前記第１インナー部材の両端部と前記第２インナー部材の一端部とを共に折り曲げて、六者を共に縫合してなり、前記覆い部材は、前記第１インナー部材又は第２インナー部材の他端部によりなることを特徴とする。 Further , the automobile protective bag according to claim 3 of the present invention is the automobile protective bag having at least an inflator and an airbag main body that is inflatable by a high-temperature gas introduced by the inflator. An inner member is formed on the inner side of the bag body so as to form a tubular shape that communicates with the inflator by stitching, and is covered from the inner side by a covering member that is arranged to block the stitched portion. An inner member and a second inner member are formed, both end portions of the first inner member and one end portion of the second inner member are stitched, and the second inner member is interposed between both end portions of the first inner member. After inserting one end of the first inner member, both ends of the first inner member and one end of the second inner member are folded together, and the six members are stitched together. The covering member is characterized by comprising the other end of the first inner member or the second inner member.

本発明は、請求項１記載の発明によれば、インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなることにより、高温且つ高圧なインフレータよりのガスがエアバッグ本体の内側に提供されても、インナー部材の縫合部がインナー部材による覆い部材により覆われてなるので、縫合部の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータから発生するガスによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 According to the first aspect of the present invention, there is provided a protective bag for an automobile having at least an inflator and an airbag main body that can be inflated by a high-temperature gas introduced by the inflator. of the inner, by formed by arranging an inner member which covers from the inside by covering member which is arranged to block the and suture engaging portion forms a tubular communicating with the inflator by suturing, high temperature and the more high pressure inflator Even if gas is provided to the inside of the airbag body, since the stitched portion of the inner member is covered with the covering member made of the inner member, the inflator can be used even if the sewing thread of the stitched portion is not expensive and has excellent heat resistance. This makes it possible to reduce the manufacturing cost by making it less susceptible to the heat of the gas generated from the gas.

また、本発明によれば、前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の端部同士と前記第２インナー部材の端部とが重ねて共に縫合してなり、前記覆い部材は、前記第２インナー部材の他端部によりなることにより、第１インナー部材及び第２インナー部材の材質、材厚などの選択の自由度が増し、原価低減、縫合のし易さなど、目的に応じて、選択でき、設計自由度が増し、両縫合部は、第２インナー部材による覆い部材によって遮られてなることにより、インフレータの高温且つ高圧のガスが、両縫合部に加わらないことになり、縫合部の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータから発生するガスによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 Further, according to the present invention, the inner member is made of a first inner member and the second inner member, the first and end portions of the inner member and the end of the second inner member are overlapped and sewn together The covering member is formed by the other end of the second inner member, so that the degree of freedom in selecting the material and thickness of the first inner member and the second inner member is increased. such as ease, depending on the purpose, can be selected, and increasing the design freedom, both stitching unit, by comprising blocked by the covering member of the second inner member, the high-temperature and high-pressure gas of the inflator is both It will be not applied to the suture portion, without thereto having excellent suture suture portion expensive heat resistance is hardly affected by heat due to gas generated from the inflator, thereby to reduce the manufacturing cost, gutter An effect.

また、本発明は、請求項２記載の発明によれば、インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の一端部と、前記第２インナー部材の一端部とが縫合してなり、前記覆い部材は、前記第１インナー部材又は第２インナー部材の他端部によりなることにより、第１インナー部材及び第２インナー部材の材質、材厚などの選択の自由度が増し、縫合のし易さなど、目的に応じて、選択でき、設計自由度が増し、縫製が簡素でよく、組み立て工数が少なくて済むばかりか、高温且つ高圧なインフレータよりのガスがインナー部材の内側に提供されても、インナー部材の縫合部が覆い部材により覆われてなるので、縫合部の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータから発生するガスによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 The present invention, according to the second aspect of the invention, the inflator and, by the hot gas introduced by the inflator, in automotive protective bag having at least an air bag body which is inflatable, the air An inner member is formed on the inner side of the bag body so as to form a tubular shape that communicates with the inflator by stitching, and is covered from the inner side by a covering member that is arranged to block the stitched portion. It consists of an inner member and a second inner member , one end of the first inner member and one end of the second inner member are stitched together, and the covering member is the first inner member or the second inner member by becoming the other end portion, the material of the first inner member and the second inner member, increases the degree of freedom in selecting such material thickness, suture bookmarks it easy , Depending on the purpose, can be selected, increases the design flexibility, sewing well in simple, not only requires less assembly steps, Atsushi Ko and gas from the high pressure inflator is also provided on the inner side of the inner member, Since the stitching part of the inner member is covered with the covering member, the sewing thread of the stitching part is not easily affected by the heat generated by the gas generated from the inflator without the expensive heat resistance. There is an effect that reduction can be achieved.

また、本発明は、請求項３記載の発明によれば、インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の両端部と前記第２インナー部材の一端部とが縫合してなり、前記第１インナー部材の両端部の間に前記第２インナー部材の一端部を挿入後、前記第１インナー部材の両端部と前記第２インナー部材の一端部とを共に折り曲げて、六者を共に縫合してなり、縫合部が折り曲げられた後に、縫合されてなるから、インフレータから発生するガスによる熱を覆い部材だけでなく、折り曲げ部でも遮断することになり、縫合強度が増し、ガス圧が高くても、破裂するおそれがよりなくなるばかりか、縫合部の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータから発生するガスによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 The present invention, according to the third aspect of the present invention, the inflator and, by the hot gas introduced by the inflator, in automotive protective bag having at least an air bag body which is inflatable, the air An inner member is formed on the inner side of the bag body so as to form a tubular shape that communicates with the inflator by stitching, and is covered from the inner side by a covering member that is arranged to block the stitched portion. An inner member and a second inner member are formed, both end portions of the first inner member and one end portion of the second inner member are stitched, and the second inner member is interposed between both end portions of the first inner member. After inserting one end of the first inner member, both ends of the first inner member and one end of the second inner member are folded together, and the six members are sewn together. Since the part is folded and then stitched, the heat generated by the gas generated by the inflator is blocked not only by the covering member but also by the folded part, and the stitching strength increases and the gas bursts even if the gas pressure is high. In addition to eliminating the fear, there is an effect that it is possible to reduce the manufacturing cost by making it difficult to be affected by the heat generated by the gas generated by the inflator without using an expensive heat-resistant sewing thread for the stitched portion. .

本発明の実施例１に係るエアバッグ本体が膨張展開した状態の自動車用保護バッグの正面図。The front view of the protective bag for motor vehicles of the state which the airbag main body which concerns on Example 1 of this invention expanded | deployed. 図１のII−II線に沿った断面図。Sectional drawing along the II-II line of FIG. 本発明の実施例２に係る図２からエアバッグ本体を省略した図２相当断面図。FIG. 2 is a cross-sectional view corresponding to FIG. 2 in which the airbag main body is omitted from FIG. 本発明の実施例３に係る図２からエアバッグ本体を省略した図２相当断面図。FIG. 2 is a cross-sectional view corresponding to FIG. 2 in which the airbag main body is omitted from FIG. 本発明の実施例４に係る図２からエアバッグ本体を省略した図２相当断面図。FIG. 2 is a cross-sectional view corresponding to FIG. 2 in which the airbag main body is omitted from FIG. 本発明の実施例５に係る図２からエアバッグ本体を省略した図２相当断面図。FIG. 2 is a cross-sectional view corresponding to FIG. 2 in which an airbag main body is omitted from FIG. 本発明の実施例６に係る図２からエアバッグ本体を省略した図２相当断面図。FIG. 2 is a cross-sectional view corresponding to FIG. 2 in which an airbag main body is omitted from FIG. 2 according to Embodiment 6 of the present invention.

以下、本発明の実施の形態について、詳細に説明する。本発明において、高価な耐熱性に優れた縫い糸にしなくても、インフレータから発生するガスによる熱の影響を受けにくくし、製造原価の低減を図れる自動車用保護バッグを提供するという目的を、インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の端部同士と前記第２インナー部材の端部とが重ねて共に縫合してなり、前記覆い部材は、前記第２インナー部材の他端部によりなることで実現した。以下、本発明の実施例を図面に基づいて説明する。 Hereinafter, embodiments of the present invention will be described in detail. An object of the present invention is to provide a protective bag for an automobile that is less susceptible to the heat of gas generated from an inflator and can reduce the manufacturing cost without using expensive sewing threads with excellent heat resistance. In a protective bag for an automobile having at least an airbag main body that is inflatable by a high-temperature gas introduced by the inflator, a tubular shape communicating with the inflator by stitching is formed inside the airbag main body. No and Na by disposing an inner member which covers from the inside by covering member which is arranged to block the suture engaging portion is, the inner member is made of a first inner member and the second inner member, an end of the first inner member And the end portion of the second inner member are overlapped and sewn together, and the covering member is the second inner member Realized in such Rukoto the other end portion of the timber. Embodiments of the present invention will be described below with reference to the drawings.

本発明の実施例１に係る構造を、図１〜図２を用いて説明する。この実施例１の自動車用保護バッグ１は、図示しないリアピラーなどに支持されてなるインフレータ２と、該インフレータ２により導入されるガスＧによって、膨張可能とされた中空状のエアバッグ本体３とを少なくとも有し、前記エアバッグ本体３の内側には、縫合４、５することで前記インフレータ２に連通した管状をなし且つ該縫合部４、５を内側から覆うインナー部材６を配してなる。符号２ａは、前記インフレータ２よりガスＧをエアバッグ本体３内に導くよう、前記インナー部材６の内側に挿入されてなるノズルである。   A structure according to the first embodiment of the present invention will be described with reference to FIGS. The protective bag 1 for an automobile according to the first embodiment includes an inflator 2 supported by a rear pillar (not shown), and a hollow airbag body 3 that can be inflated by a gas G introduced by the inflator 2. At least, an inner member 6 having a tubular shape communicating with the inflator 2 by stitching 4 and 5 and covering the stitched portions 4 and 5 from the inside is disposed inside the airbag body 3. Reference numeral 2 a denotes a nozzle that is inserted inside the inner member 6 so as to guide the gas G from the inflator 2 into the airbag body 3.

前記エアバッグ本体３をより詳細に説明する。膨張展開した時に室内側、即ち図２に示す状態で左側に配される室内側表皮７と、同じく膨張展開した時に室外側、即ち図２に示す状態で右側に配される室外側表皮８とが共に布材より成形され、前記室内側表皮７及び室外側表皮８の上下端部７ａ、７ｂ、８ａ、８ｂを縫合部９、１０により縫合することで、中空状に形成されてなる。前記エアバッグ本体３の上端部などより突出してなる複数の延出部１１などに形成されてなる***１２に図示しない取付部を介して図示しないフロントピラー、サイドピラー、リアピラーに前記エアバッグ本体３が吊り下げられている。前記インフレータ２より噴出するガスＧによりエアバッグ本体３における膨張する部位及び膨張しない部位などの詳細な説明は、周知技術であるので、説明を割愛する。そして、エアバッグ本体３の常時は、前記フロントピラー、サイドピラー、リアピラーに沿って折り畳まれているが、この技術も周知であるため説明を割愛する。   The airbag body 3 will be described in more detail. An indoor skin 7 disposed on the left side in the state shown in FIG. 2 when inflated and deployed, and an outdoor skin 8 disposed on the right side in the state shown in FIG. Are formed from a cloth material, and are formed into a hollow shape by stitching the upper and lower ends 7a, 7b, 8a, 8b of the indoor-side skin 7 and the outdoor-side skin 8 with stitching portions 9, 10. The airbag main body 3 is attached to a front pillar, a side pillar, and a rear pillar (not shown) through small holes 12 formed in a plurality of extending portions 11 and the like that protrude from the upper end portion of the airbag main body 3 and the like through attachment portions (not shown). Is suspended. Detailed description of the portion of the airbag body 3 that expands and does not expand due to the gas G ejected from the inflator 2 is a well-known technique, and will not be described. The airbag body 3 is normally folded along the front pillars, side pillars, and rear pillars, but this technique is also well known and will not be described.

前記インナー部材６は、共に布材よりなる第１インナー部材１３、１３及び第２インナー部材１４よりなる。前記第１インナー部材１３、１３は、前記した縫合部４、５により、両端部１３ａ、１３ｂが縫製されてなることで、中空状に形成されてなる。前記第２インナー部材１４の一端部１４ａは、前記第１インナー部材１３の両端部１３ａ、１３ｂの縫製時に、一端部１３ａ、１３ａの間に挟む関係に配されて共に縫合してなり、前記第２インナー部材１４の他端部１４ｂにより、前記第１インナー部材１３の一端部１３ａ、１３ａ及び前記第２インナー部材１４の一端部１４ａの縫合部４を内側から覆ってなる。   The inner member 6 includes first inner members 13 and 13 and a second inner member 14 both made of a cloth material. The first inner members 13, 13 are formed in a hollow shape by sewing both end portions 13 a, 13 b with the above-described stitching portions 4, 5. The one end portion 14a of the second inner member 14 is arranged so as to be sandwiched between the one end portions 13a and 13a when sewing the both end portions 13a and 13b of the first inner member 13, and is sewn together. 2 The other end portion 14b of the inner member 14 covers the one end portions 13a, 13a of the first inner member 13 and the stitched portion 4 of the one end portion 14a of the second inner member 14 from the inside.

符号１４ｃは、前記第２インナー部材１４により前記第１インナー部材１３の一端部１３ａ、１３ａ及び前記第２インナー部材１４の一端部１４ａの縫合部４を内側から覆う「覆い部材」である第１覆い部である。また、符号１４ｄは、前記第２インナー部材１４により前記第１インナー部材１３の他端部１３ｂ、１３ｂの縫合部５を内側から覆う「覆い部材」である第２覆い部である。   Reference numeral 14 c is a “covering member” that covers the one end portions 13 a and 13 a of the first inner member 13 and the stitched portion 4 of the one end portion 14 a of the second inner member 14 from the inside by the second inner member 14. It is a covering part. Reference numeral 14 d denotes a second covering portion that is a “covering member” that covers the stitched portions 5 of the other end portions 13 b and 13 b of the first inner member 13 from the inside by the second inner member 14.

次に、この実施例１の作用を説明する。   Next, the operation of the first embodiment will be described.

この実施例のインフレータ２と、該インフレータ２により導入される高温のガスＧによって、膨張可能とされたエアバッグ本体３とを有する自動車用保護バッグ１において、前記エアバッグ本体３内側には、縫合４、５することで前記インフレータ２に連通した管状をなし且つ該縫合部４、５を「覆い部材」である第１覆い部１４ｃ、第２覆い部１４ｄにより内側から覆うインナー部材６を配してなることにより、高温且つ高圧なインフレータ２よりのガスＧがエアバッグ本体３の内側に提供されても、インナー部材６の縫合部４、５がインナー部材６の第１、第２覆い部１４ｃ、１４ｄにより遮って配されてなるので、縫合部４、５の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータ２から発生するガスＧによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 In the protective bag 1 for an automobile having the inflator 2 of this embodiment and the airbag main body 3 that can be inflated by the high-temperature gas G introduced by the inflator 2, the inner side of the airbag main body 3 is sewn. 4 and 5, and an inner member 6 is provided which forms a tubular shape communicating with the inflator 2 and covers the stitched portions 4 and 5 from the inside by a first covering portion 14c and a second covering portion 14d which are “covering members”. Thus, even if the gas G from the high- temperature and high-pressure inflator 2 is provided to the inside of the airbag body 3, the stitched portions 4 and 5 of the inner member 6 are the first and second cover portions 14c of the inner member 6. , since arranged interrupting by 14d, without thereto having excellent suture suture portions 4,5 expensive heat resistance, the influence of heat by the gas G generated from the inflator 2 Only difficult, thereby reducing the manufacturing cost, an effect that.

また、前記インナー部材６は、第１インナー部材１３、１３及び第２インナー部材１４よりなり、第１インナー部材１３、１３の他端部１３ｂ、１３ｂ同士が縫合５してなると共に前記第２インナー部材１４の一端部１４ａが、前記第１インナー部材１３の一端部１３ａと共に縫合４してなり、前記第２インナー部材１４の他端部１４ｂにより、前記第１インナー部材１３の一端部１３ａと前記第２インナー部材１４の一端部１４ａとの縫合部４及び前記第１インナー部材１３の他端部１３ｂ、１３ｂ同士との縫合部５を第１覆い部１４ｃ、第２覆い部１４ｄにより内側から覆ってなることにより、両縫合部４、５は、第２インナー部材１４の第１覆い部１４ｃ、第２覆い部１４ｄによって遮られてなることにより、インフレータ２のノズル２ａから噴出する高温且つ高圧のガスＧが、両縫合部４、５に加わらないことになり、縫合部４、５の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータ２から発生するガスＧによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。   The inner member 6 includes first inner members 13 and 13 and a second inner member 14, and the other inner end portions 13b and 13b of the first inner members 13 and 13 are stitched together and the second inner member 6 is sewn. One end portion 14a of the member 14 is stitched together with one end portion 13a of the first inner member 13, and the other end portion 14b of the second inner member 14 and the one end portion 13a of the first inner member 13 and the The stitching portion 4 with the one end portion 14a of the second inner member 14 and the stitching portion 5 with the other end portions 13b and 13b of the first inner member 13 are covered from the inside by the first cover portion 14c and the second cover portion 14d. As a result, both the stitched portions 4 and 5 are blocked by the first cover portion 14c and the second cover portion 14d of the second inner member 14, so that the nozzle of the inflator 2 is formed. The high-temperature and high-pressure gas G ejected from a will not be applied to both the stitching parts 4 and 5, and the sewing thread of the stitching parts 4 and 5 is generated from the inflator 2 even without expensive heat resistance. This makes it possible to reduce the manufacturing cost by making it less susceptible to the influence of heat from the gas G to be produced.

前記実施例１の第２インナー部材１４は、第１インナー部材１３の一端部１３ａに一端部１４ａが縫合された後、図２に示すように、左巻きに形成されてなるが、これに限定されるものではなく、右巻きでも良い。   The second inner member 14 of the first embodiment is formed in a left-handed manner as shown in FIG. 2 after the one end portion 14a is stitched to the one end portion 13a of the first inner member 13, but is not limited thereto. Right-handed is acceptable.

本発明の実施例２に係る構造を、図３を用いて説明する。この実施例２の自動車用保護バッグ２１の構成部材であるインフレータ２のノズル２ａと、エアバッグ本体３と、室内側表皮７と、室外側表皮８とは、前記実施例１と同じであるので、重複しての説明をしない。   A structure according to Embodiment 2 of the present invention will be described with reference to FIG. Since the nozzle 2a of the inflator 2, the airbag body 3, the indoor side skin 7, and the outdoor skin 8 are the same as those in the first embodiment, which are constituent members of the automobile protective bag 21 of the second embodiment. , Do not repeat the explanation.

図３に示す本発明の実施例２に係る自動車用保護バッグ２１に用いられるインナー部材２２は、第１インナー部材２３及び第２インナー部材２４よりなり、前記第１インナー部材２３の一端部２３ａは、前記第２インナー部材２４の他端部２４ｂに縫合４してなり、前記第２インナー部材２４の一端部２４ａは、前記第１インナー部材２３の一端部２３ａと他端部２３ｂとの略中間位置で縫合１０してなり、前記第１インナー部材２３と前記第２インナー部材２４との端部２３ａ、２４ｂ同士の縫合部４と、前記第１インナー部材２３の略中間位置及び前記第２インナー部材２４の一端部２４ａの重合部とを共に内側から覆ってなる。   The inner member 22 used in the automobile protective bag 21 according to the second embodiment of the present invention shown in FIG. 3 includes a first inner member 23 and a second inner member 24, and one end 23a of the first inner member 23 is The other end 24b of the second inner member 24 is stitched 4 and the one end 24a of the second inner member 24 is substantially intermediate between the one end 23a and the other end 23b of the first inner member 23. Stitched at the position 10, the stitched portion 4 between the end portions 23 a and 24 b of the first inner member 23 and the second inner member 24, a substantially intermediate position of the first inner member 23, and the second inner member 23. Both the overlapping portions of the one end portion 24a of the member 24 are covered from the inside.

符号２３ｃ、２３ｄは、前記第１インナー部材２３と前記第２インナー部材２４との端部２３ａ、２４ｂ同士の縫合部４と、前記第１インナー部材２３の略中間位置と、前記第２インナー部材２４の一端部２４ａの重合部とを共に内側から覆う「覆い部材」である第１覆い部及び第２覆い部である。   Reference numerals 23c and 23d denote a stitching portion 4 between the end portions 23a and 24b of the first inner member 23 and the second inner member 24, a substantially intermediate position of the first inner member 23, and the second inner member. These are a first covering portion and a second covering portion that are “covering members” that cover the overlapping portion of one end portion 24a of 24 from the inside.

次に、この実施例２の作用を説明する。   Next, the operation of the second embodiment will be described.

この実施例の前記インナー部材２２は、第１インナー部材２３及び第２インナー部材２４よりなり、前記第１インナー部材２３の一端部２３ａは、前記第２インナー部材２４の他端部２４ｂに縫合４してなり、前記第２インナー部材２４の一端部２４ａは、前記第１インナー部材２３の一端部２３ａと他端部２３ｂとの略中間位置で縫合１０してなり、前記第１インナー部材２３と前記第２インナー部材２４との一端部２３ａ及び他端部２４ｂ同士の縫合部４及び前記第１インナー部材２３の一端部２３ａと他端部２３ｂとの略中間位置と、前記第２インナー部材２４の一端部２４ａとの重合部とを共に第１、第２覆い部２３ｃ、２３ｄにより内側から覆ってなることにより、縫合４が簡素でよく、組み立て工数が少なくて済むばかりか、高温且つ高圧なインフレータ２のノズル２ａよりのガスＧがインナー部材２２の内側に提供されても、インナー部材２２の縫合部４がインナー部材２２により内側から覆われてなるので、縫合部４の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータ２のノズル２ａから発生するガスＧによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 In this embodiment, the inner member 22 includes a first inner member 23 and a second inner member 24, and one end portion 23 a of the first inner member 23 is stitched to the other end portion 24 b of the second inner member 24. The one end portion 24a of the second inner member 24 is stitched 10 at a substantially intermediate position between the one end portion 23a and the other end portion 23b of the first inner member 23. The stitching portion 4 between the one end portion 23a and the other end portion 24b of the second inner member 24, the substantially intermediate position between the one end portion 23a and the other end portion 23b of the first inner member 23, and the second inner member 24. the overlapping portion and the both first and one end portion 24a, the second cover portion 23c, by becoming covered from the inside by 23d, sewing case 4 is well in simple, not only requires less assembly steps, high And also gas G from the nozzle 2a of the high pressure inflator 2 is provided on the inner side of the inner member 22, since the sewn portion 4 of the inner member 22 is covered from the inside by the inner member 22, the sewing thread of the sewn portion 4 Even if it is not expensive and excellent in heat resistance, there is an effect that it is difficult to be affected by the heat caused by the gas G generated from the nozzle 2a of the inflator 2, and the manufacturing cost can be reduced.

本発明の実施例３に係る構造を、図４を用いて説明する。この実施例３の自動車用保護バッグ３１の構成部材であるインフレータ２のノズル２ａと、エアバッグ本体３と、室内側表皮７と、室外側表皮８とは、前記実施例１と同じであるので、重複しての説明をしない。   A structure according to Embodiment 3 of the present invention will be described with reference to FIG. Since the nozzle 2a of the inflator 2, the airbag body 3, the indoor skin 7 and the outdoor skin 8 of the inflator 2 which are constituent members of the automobile protective bag 31 of the third embodiment are the same as those of the first embodiment. , Do not repeat the explanation.

図４に示す本発明の実施例３に係る自動車用保護バッグ３１に用いられるインナー部材３２は、第１インナー部材３３及び第２インナー部材３４よりなり、前記第１インナー部材３３の一端部３３ａは、前記第２インナー部材３４の一端部３４ａに縫合４してなり、前記第１インナー部材３３の他端部３３ｂは、前記第２インナー部材３４の一端部３４ａと他端部３４ｂとの略中間位置で縫合１０してなり、前記第１インナー部材３３と前記第２インナー部材３４との端部３３ａ、３４ａ同士の縫合部４及び前記第２インナー部材３４の略中間位置及び前記第１インナー部材３３の他端部３３ｂの重合した縫合部１０を共に内側から覆ってなる。   The inner member 32 used in the automobile protective bag 31 according to the third embodiment of the present invention shown in FIG. 4 includes a first inner member 33 and a second inner member 34, and one end 33a of the first inner member 33 is The other end 33b of the first inner member 33 is substantially intermediate between the one end 34a and the other end 34b of the second inner member 34. The first inner member 33 and the second inner member 34 are stitched 10 at the end portions 33a of the first inner member 33 and the second inner member 34. The overlapped stitched portions 10 of the other end 33b of 33 are both covered from the inside.

符号３４ｃ、３４ｄは、前記第１インナー部材３３と前記第２インナー部材３４との端部３３ａ、３４ａ同士の縫合部４及び前記第１インナー部材３３の略中間位置を共に内側から覆う「覆い部材」である第１，第２覆い部である。   Reference numerals 34 c and 34 d denote “cover members that cover both the seam 4 between the ends 33 a and 34 a of the first inner member 33 and the second inner member 34 and the substantially intermediate position of the first inner member 33 from the inside. Are first and second cover portions.

次に、この実施例３の作用を説明する。   Next, the operation of the third embodiment will be described.

この実施例の前記インナー部材３２は、第１インナー部材３３及び第２インナー部材３４よりなり、前記第１インナー部材３３の一端部３３ａは、前記第２インナー部材３４の一端部３４ａに縫合４してなり、前記第１インナー部材３３の他端部３３ｂは、前記第２インナー部材３４の一端部３４ａと他端部３４ｂとの略中間位置で縫合１０してなり、前記第１インナー部材３３と前記第２インナー部材３４との端部３３ａ、３４ａ同士の縫合部４及び前記第２インナー部材３４の略中間位置及び前記第１インナー部材３３の他端部３３ｂの重合した縫合部１０を共に第１、第２覆い部３４ｃ、３４ｄにより内側から覆ってなることにより、縫合４が簡素でよく、組み立て工数が少なくて済むばかりか、高温且つ高圧なインフレータ２のノズル２ａよりのガスＧがエアバッグ本体３の内側に提供されても、インナー部材３２の縫合部４がインナー部材３２により内側から覆われてなるので、縫合部４の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータ２のノズル２ａから発生するガスＧによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 In this embodiment, the inner member 32 includes a first inner member 33 and a second inner member 34, and one end 33 a of the first inner member 33 is sewn 4 to one end 34 a of the second inner member 34. The other end 33b of the first inner member 33 is stitched 10 at a substantially intermediate position between the one end 34a and the other end 34b of the second inner member 34, and the first inner member 33 Both the stitching portion 4 between the end portions 33a and 34a with the second inner member 34, the substantially intermediate position of the second inner member 34, and the stitched portion 10 where the other end portion 33b of the first inner member 33 is overlapped are arranged together. 1, the second cover portion 34c, by becoming covered from the inside by 34d, the suture 4 is well in simple, not only requires less assembly steps, high temperature and high pressure inflator 2 nozzles Also gas G than 2a is provided on the inside of the airbag body 3, since the sewn portion 4 of the inner member 32 is covered from the inside by the inner member 32, excellent suture suture portion 4 expensive heat-resistant Even if it does not do it, there exists an effect that it becomes difficult to receive the influence of the heat by the gas G which generate | occur | produces from the nozzle 2a of the inflator 2 , and can aim at reduction of manufacturing cost.

本発明の実施例４に係る構造を、図５を用いて説明する。この実施例４の自動車用保護バッグ４１の構成部材であるインフレータ２のノズル２ａと、エアバッグ本体３と、室内側表皮７と、室外側表皮８とは、前記実施例１と同じであるので、重複しての説明をしない。   A structure according to Embodiment 4 of the present invention will be described with reference to FIG. Since the nozzle 2a of the inflator 2, the airbag body 3, the indoor side skin 7, and the outdoor skin 8 are the same as those in the first embodiment, which are constituent members of the automobile protective bag 41 of the fourth embodiment. , Do not repeat the explanation.

本発明の実施例４に係る自動車用保護バッグ４１に用いられるインナー部材４２は、第１インナー部材４３及び第２インナー部材４４よりなり、前記第１インナー部材４３及び前記第２インナー部材４４を一体に形成してなり、前記インナー部材４２の一端部４２ａ及び該インナー部材４２の他端部４２ｂの略中間４２ｃを二つ折りした部位を、「本発明の他端部４２ｃ」とし且つ該他端部４２ｃと前記インナー部材４２の一端部４２ａとの３枚のインナー部材４２を縫合４してなり、該縫合部４を前記インナー部材４２の他端部４２ｂにより内側から覆ってなる。前記インナー部材４２の一端部４２ａから、前記インナー部材４２の他端部４２ｂは、左回りに巻装されてなる。   The inner member 42 used in the automobile protective bag 41 according to the fourth embodiment of the present invention includes a first inner member 43 and a second inner member 44, and the first inner member 43 and the second inner member 44 are integrated. A portion where the one end portion 42a of the inner member 42 and the substantially middle portion 42c of the other end portion 42b of the inner member 42 are folded in half is referred to as the “other end portion 42c of the present invention” and the other end portion. Three inner members 42, 42 c and one end portion 42 a of the inner member 42, are stitched 4, and the stitched portion 4 is covered from the inside by the other end portion 42 b of the inner member 42. From the one end 42a of the inner member 42, the other end 42b of the inner member 42 is wound counterclockwise.

符号４２ｄ、４２ｅは、前記インナー部材４２の端部４２ａ、４２ｃ同士の縫合部４及び前記インナー部材４２の略中間位置を共に内側から覆う「覆い部材」である第１、第２覆い部である。   Reference numerals 42d and 42e denote first and second cover portions that are “cover members” that cover the seam portion 4 between the end portions 42a and 42c of the inner member 42 and the substantially intermediate position of the inner member 42 from the inside. .

尚、この明細書中の全てにおいて、「略中間位置」とは、所謂（インナー部材４２などの）一端部（この実施例では符号４２ａ）と他端部（この実施例では符号４２ｂ）との間の適宜の位置という意味であって、端部と端部との間を２分した位置という意味で用いていない。従って、「一端部（この実施例では符号４２ａ）」は、インナー部材（この実施例では符号４２）の実質的な端部であるが、「本発明の他端部（この実施例では符号４２ｃ）」は、エアバッグ本体３の上下巾やインフレータ２のノズル２ａの直径、覆い部（この実施例では符号４２ｄ）と覆い部（この実施例では符号４２ｅ）との寸法等の決め方により、折り畳む位置は異なるものである。「本発明の他端部（この実施例では符号４２ｃ）」にとっての最低限必要な条件は、インナー部材（この実施例では符号４２）の一端部（この実施例では符号４２ａ）に縫合するときに重合し合う関係にあると言うことである。   In all of this specification, the “substantially intermediate position” refers to a so-called (inner member 42, etc.) one end (reference numeral 42a in this embodiment) and the other end (reference numeral 42b in this embodiment). The term “appropriate position” means that the position between the end portions is not divided into two. Accordingly, the “one end portion (reference numeral 42a in this embodiment)” is a substantial end portion of the inner member (reference numeral 42 in this embodiment), but “the other end portion of the present invention (reference numeral 42c in this embodiment). ) "Is folded depending on the vertical width of the air bag body 3, the diameter of the nozzle 2a of the inflator 2, the dimensions of the cover portion (reference numeral 42d in this embodiment) and the cover portion (reference numeral 42e in this embodiment), and the like. The location is different. The minimum requirement for “the other end portion of the present invention (reference numeral 42c in this embodiment)” is that when sewing to one end portion (reference numeral 42a in this embodiment) of the inner member (reference numeral 42a in this embodiment). It is said that they are in a relationship of overlapping each other.

次に、この実施例４の作用を説明する。   Next, the operation of the fourth embodiment will be described.

この実施例の前記インナー部材４２は、第１インナー部材４３及び第２インナー部材４４よりなり、前記第１インナー部材４３及び第２インナー部材４４を一体に形成してなり、前記インナー部材４２の一端部４２ａ及び該インナー部材４２の他端部４２ｂの略中間位置を二つ折りした部位を他端部４２ｃとし且つ前記インナー部材４２の一端部４２ａとを縫合４してなり、該縫合部４を前記インナー部材４２の端部４２ｂ或いは第１、第２覆い部４２ｄ、４２ｅにより内側から覆ってなることにより、前記インナー部材４２が一枚物であるので、管理工数が低減できるばかりか、高温且つ高圧なインフレータ２のノズル２ａよりのガスＧがエアバッグ本体３の内側に提供されても、インナー部材４２の縫合部４がインナー部材４２により内側から覆われてなるので、縫合部４の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータ２のノズル２ａから発生するガスＧによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 In this embodiment, the inner member 42 includes a first inner member 43 and a second inner member 44, and the first inner member 43 and the second inner member 44 are integrally formed, and one end of the inner member 42 is formed. The portion 42a and the other end portion 42b of the inner member 42 are folded in half at a substantially intermediate position to form the other end portion 42c, and the one end portion 42a of the inner member 42 is stitched 4, and the stitched portion 4 is end 42b or the first inner member 42, the second cover portion 42d, by becoming covered from the inside by 42e, the so inner member 42 is a single material, not only management steps can be reduced, high temperature and high pressure also gas G from the nozzle 2a of such inflator 2 is provided on the inside of the airbag body 3, the inner stapling portion 4 of the inner member 42 by the inner member 42 Since being formed by covered from without it superior to suture the suturing portion 4 expensive heat resistance is hardly affected by heat from the gas G generated from the nozzles 2a of the inflator 2, a reduction in manufacturing cost There is an effect that it can be achieved.

本発明の実施例５に係る構造を、図６を用いて説明する。この実施例５の自動車用保護バッグ５１の構成部材であるインフレータ２のノズル２ａと、エアバッグ本体３と、室内側表皮７と、室外側表皮８とは、前記実施例１と同じであるので、重複しての説明をしない。   A structure according to Embodiment 5 of the present invention will be described with reference to FIG. Since the nozzle 2a of the inflator 2, the airbag body 3, the indoor skin 7 and the outdoor skin 8 of the inflator 2, which are constituent members of the automobile protective bag 51 of the fifth embodiment, are the same as those of the first embodiment. , Do not repeat the explanation.

本発明の実施例５に係る自動車用保護バッグ５１に用いられるインナー部材５２は、第１インナー部材５３及び第２インナー部材５４よりなり、前記第１インナー部材５３及び前記第２インナー部材５４を一体に形成してなり、前記インナー部材５２の一端部５２ａ及び該インナー部材５２の他端部５２ｂの略中間５２ｃを二つ折りした部位を、「本発明の他端部５２ｃ」とし且つ該他端部５２ｃと前記インナー部材５２の一端部５２ａとの３枚のインナー部材５２を縫合４してなり、該縫合部４を前記インナー部材５２の他端部５２ｂにより内側から覆ってなる。前記インナー部材５２の一端部５２ａから、前記インナー部材５２の他端部５２ｂは、右回りに巻装されてなる。   The inner member 52 used in the automobile protective bag 51 according to the fifth embodiment of the present invention includes a first inner member 53 and a second inner member 54, and the first inner member 53 and the second inner member 54 are integrated. A portion obtained by folding the one end portion 52a of the inner member 52 and the substantially intermediate portion 52c of the other end portion 52b of the inner member 52 into a second end portion 52c of the present invention and the other end portion Three inner members 52, 52 c and one end portion 52 a of the inner member 52, are stitched 4, and the stitched portion 4 is covered from the inside by the other end portion 52 b of the inner member 52. From the one end 52a of the inner member 52, the other end 52b of the inner member 52 is wound clockwise.

符号５２ｄ、５２ｅは、前記インナー部材５２の端部５２ａ、５２ｃ同士の縫合部４及び前記インナー部材５２の略中間位置を共に内側から覆う「覆い部材」である第１、第２覆い部である。   Reference numerals 52d and 52e denote first and second cover portions that are “cover members” that cover the stitched portion 4 between the end portions 52a and 52c of the inner member 52 and the substantially intermediate position of the inner member 52 from the inside. .

次に、この実施例５の作用を説明する。   Next, the operation of the fifth embodiment will be described.

この実施例の前記インナー部材５２は、第１インナー部材５３及び第２インナー部材５４よりなり、前記第１インナー部材５３及び第２インナー部材５４を一体に形成してなり、前記インナー部材５２の一端部５２ａ及び該インナー部材５２の他端部５２ｂの略中間位置を二つ折りした部位を他端部５２ｃとし且つ前記インナー部材５２の一端部５２ａとを縫合４してなり、該縫合部４を前記インナー部材５２の端部５２ｂ或いは第１、第２覆い部５２ｄ、５２ｅにより内側から覆ってなることにより、前記インナー部材５２が一枚物であるので、管理工数が低減できるばかりか、高温且つ高圧なインフレータ２のノズル２ａよりのガスＧがエアバッグ本体３の内側に提供されても、インナー部材５２の縫合部４がインナー部材５２により内側から覆われてなるので、縫合部４の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータ２のノズル２ａから発生するガスＧによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 In this embodiment, the inner member 52 includes a first inner member 53 and a second inner member 54, and the first inner member 53 and the second inner member 54 are integrally formed, and one end of the inner member 52 is formed. A portion where the substantially intermediate position between the portion 52a and the other end portion 52b of the inner member 52 is folded in half is used as the other end portion 52c, and the one end portion 52a of the inner member 52 is stitched 4, and the stitched portion 4 is end 52b or the first inner member 52, the second cover portion 52 d, by becoming covered from the inside by 52e, the so inner member 52 is a single material, not only management steps can be reduced, high temperature and high pressure also gas G from the nozzle 2a of such inflator 2 is provided on the inside of the airbag body 3, the inner stapling portion 4 of the inner member 52 by the inner member 52 Since being formed by covered from without it superior to suture the suturing portion 4 expensive heat resistance is hardly affected by heat from the gas G generated from the nozzles 2a of the inflator 2, a reduction in manufacturing cost There is an effect that it can be achieved.

本発明の実施例６に係る構造を、図７を用いて説明する。この実施例６の自動車用保護バッグ６１の構成部材であるインフレータ２のノズル２ａと、エアバッグ本体３と、室内側表皮７と、室外側表皮８とは、前記実施例１と同じであるので、重複しての説明をしない。   A structure according to Embodiment 6 of the present invention will be described with reference to FIG. Since the nozzle 2a of the inflator 2, the airbag body 3, the indoor skin 7 and the outdoor skin 8 of the inflator 2 which are constituent members of the automobile protective bag 61 of the sixth embodiment are the same as those of the first embodiment. , Do not repeat the explanation.

本発明の実施例６に係る自動車用保護バッグ６１に用いられるインナー部材６２は、共に布材よりなる第１インナー部材６３及び第２インナー部材６４よりなる。前記第１インナー部材６３は、縫合部４により、一端部６３ａ及び他端部６３ｂが縫製されてなることで中空状に形成されてなる。前記第２インナー部材６４の一端部６４ａは、前記第１インナー部材６３の一端部６３ａ及び他端部６３ｂの縫製時に、一端部６３ａ及び他端部６３ｂの間に挟む関係に配されてなると共に前記第１インナー部材６３の一端部６３ａ及び他端部６３ｂと前記第２インナー部材６４の一端部６４ａとを共に折り曲げて、六者を共に縫合４してなる。前記第２インナー部材６４の他端部６４ｂ及び中間部６４ｃにより、前記第１インナー部材６３の一端部６３ａ及び他端部６３ｂ、前記第２インナー部材６４の一端部６４ａの縫合部４を内側から覆ってなる。前記第２インナー部材６４は、一端部６４ａから他端部６４ｂにかけて、左回りに巻装されてなる。 The inner member 62 used in the automobile protective bag 61 according to the sixth embodiment of the present invention includes a first inner member 63 and a second inner member 64 that are both made of a cloth material. The first inner member 63 is formed in a hollow shape by sewing one end portion 63 a and the other end portion 63 b by the stitching portion 4. One end portion 64a of the second inner member 64, when sewing one end 63a and the other end 63b of the first inner member 63, it becomes disposed in relation sandwiching one end 63a and the other end 63b One end 63a and the other end 63b of the first inner member 63 and one end 64a of the second inner member 64 are bent together, and the six members are stitched together. The other end portion 64b and the intermediate portion 64c of the second inner member 64 allow the one end portion 63a and the other end portion 63b of the first inner member 63 and the stitched portion 4 of the one end portion 64a of the second inner member 64 to be viewed from the inside. Covered. The second inner member 64 is wound counterclockwise from one end 64a to the other end 64b.

前記中間部６４ｃは、前記第２インナー部材６４により前記第１インナー部材６３の一端部６３ａ及び他端部６３ｂ並びに前記第２インナー部材６４の一端部６４ａの縫合部４を内側から覆う「覆い部材」である第１覆い部である。また、符号６４ｄは、前記第２インナー部材６４により前記第１インナー部材６３を内側から覆う「覆い部材」である第２覆い部である。 The intermediate portion 64c is covered by the second inner member 64 so as to cover the one end portion 63a and the other end portion 63b of the first inner member 63 and the stitched portion 4 of the one end portion 64a of the second inner member 64 from the inside. It is the 1st cover part which is. Further, reference numeral 64d is the second by second inner member 64 covering the first inner member 63 from the inside "cover member" second covering part Ru der.

次に、この実施例６の作用を説明する。   Next, the operation of the sixth embodiment will be described.

この実施例の前記第１インナー部材６３の両端部６３ａ、６３ｂと第２インナー部材６４の一端部６４ａとの縫合部４は、前記第１インナー部材６３の両端部６３ａ、６３ｂの間に前記第２インナー部材６４の一端部６４ａを挿入後、前記第１インナー部材６３の両端部６３ａ、６３ｂと前記第２インナー部材６４の一端部６４ａとを共に折り曲げて、六者を共に縫合４してなるので、縫合４強度が増し、ガス圧が高くても、破裂するおそれがないばかりか、第１，第２覆い部６４ｃ、６４ｄにより縫合部４を内側から覆うことで、縫合部４の縫い糸を高価な耐熱性に優れたそれにしなくても、インフレータ２のノズル２ａから発生するガスＧによる熱の影響を受けにくくし、製造原価の低減を図れる、という効果を奏する。 Both end portions 63a of the first inner member 63 of this embodiment, 63 b and stapling portion 4 of the one end portion 64a of the second inner member 64, the between the ends 63a, 63b of the first inner member 63 a 2 After inserting one end portion 64a of the inner member 64, both end portions 63a, 63b of the first inner member 63 and one end portion 64a of the second inner member 64 are bent together, and the six persons are stitched together 4. since the suture 4 strength increases, even at high gas pressure, or ruptured to fear Gana Ibakari, first, by covering the suture portion 4 from the inside by the second cover portion 64c, 64d, suture suture portion 4 Even if it is not expensive and excellent in heat resistance, the effect of reducing the manufacturing cost can be achieved by making it less susceptible to the heat of the gas G generated from the nozzle 2a of the inflator 2.

以上の実施例では、インフレータ２のノズル２ａがエアバッグ本体３のインナー部材６、２２、３２、４２、５２、６２の中側に挿入されている例を示しているが、ノズル２ａの無いインフレータ２であっても良い。また、インナー部材６、２２、３２、４２、５２、６２の縫製部として、図２に示すように、一端部と他端部との両方でも、図３乃至図７に示すように、一端部のみでも良い。また、縫合について、「縫合する」という動詞に符号４あるいは５を付している場合と、「縫合部」という名詞に符号４あるいは５を付している場合とがあるが、何れも縫製した部位という意味で類似した構造を示している。   In the above embodiment, an example in which the nozzle 2a of the inflator 2 is inserted in the inner side of the inner members 6, 22, 32, 42, 52, 62 of the airbag main body 3 is shown, but the inflator without the nozzle 2a is shown. 2 may be sufficient. Further, as shown in FIG. 2, both the one end portion and the other end portion of the inner members 6, 22, 32, 42, 52, 62 are sewn as shown in FIG. 3 to FIG. Only it is good. In addition, regarding the suturing, there are cases where the verb “sew” is attached with the reference 4 or 5 and cases where the noun “suture” is attached with the reference 4 or 5, both of which are sewn. A similar structure is shown in terms of a site.

１、２１、３１、４１、５１、６１ 自動車用保護バッグ
２ インフレータ
３ エアバッグ本体
４、５ 縫合部
６、２２、３２、４２、５２、６２ インナー部材
１４ｃ、１４ｄ、２３ｃ、２３ｄ、３４ｃ、３４ｄ、４２ｄ、４２ｅ、５２ｄ、５２ｅ、６４ｃ、６４ｄ 「覆い部材」である第１、第２覆い部
Ｇ ガス 1, 21, 31, 41, 51, 61 Protective bag for automobile 2 Inflator 3 Airbag body 4, 5 Suture part 6, 22, 32, 42, 52, 62 Inner member 14c, 14d, 23c, 23d, 34c, 34d , 42d, 42e, 52d, 52e, 64c, 64d The first and second cover portions G which are “cover members” G gas

Claims (3)

インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、
前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、
前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の端部同士と前記第２インナー部材の端部とが重ねて共に縫合してなり、前記覆い部材は、前記第２インナー部材の他端部によりなることを特徴とする自動車用保護バッグ。 In an automotive protective bag having at least an inflator and an airbag main body that is inflatable by a high-temperature gas introduced by the inflator.
Wherein the inside of the airbag body, Ri Na by disposing an inner member which covers from the inside by covering member which is arranged to block the and suture engaging portion forms a tubular communicating with the inflator by suturing,
The inner member is composed of a first inner member and a second inner member, the end portions of the first inner member and the end portion of the second inner member are overlapped and sewn together, and the covering member is An automobile protective bag comprising the other end of the second inner member . インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、
前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、
前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の一端部と、前記第２インナー部材の一端部とが縫合してなり、前記覆い部材は、前記第１インナー部材又は第２インナー部材の他端部によりなることを特徴とする自動車用保護バッグ。 In an automotive protective bag having at least an inflator and an airbag main body that is inflatable by a high-temperature gas introduced by the inflator.
Inside the airbag main body, an inner member that covers the inner side by a covering member that is formed in a tubular shape that communicates with the inflator by sewing and that covers the stitched portion is arranged,
The inner member includes a first inner member and a second inner member, and one end portion of the first inner member and one end portion of the second inner member are stitched together, and the covering member is the first member. An automobile protective bag comprising the other end of the inner member or the second inner member . インフレータと、該インフレータにより導入される高温のガスによって、膨張可能とされたエアバッグ本体とを少なくとも有する自動車用保護バッグにおいて、
前記エアバッグ本体の内側には、縫合することで前記インフレータに連通した管状をなし且つ該縫合部を遮って配される覆い部材により内側から覆うインナー部材を配してなり、
前記インナー部材は、第１インナー部材及び第２インナー部材よりなり、前記第１インナー部材の両端部と前記第２インナー部材の一端部とが縫合してなり、前記第１インナー部材の両端部の間に前記第２インナー部材の一端部を挿入後、前記第１インナー部材の両端部と前記第２インナー部材の一端部とを共に折り曲げて、六者を共に縫合してなり、前記覆い部材は、前記第１インナー部材又は第２インナー部材の他端部によりなることを特徴とする自動車用保護バッグ。 In an automotive protective bag having at least an inflator and an airbag main body that is inflatable by a high-temperature gas introduced by the inflator.
Inside the airbag main body, an inner member that covers the inner side by a covering member that is formed in a tubular shape that communicates with the inflator by sewing and that covers the stitched portion is arranged,
The inner member is composed of a first inner member and a second inner member, and both end portions of the first inner member and one end portion of the second inner member are stitched together, and both end portions of the first inner member are sewn. After inserting one end portion of the second inner member in between, both end portions of the first inner member and one end portion of the second inner member are bent together, and the six members are sewn together. An automobile protective bag comprising the other end of the first inner member or the second inner member .
JP2009197319A 2009-08-27 2009-08-27 Protective bag for car Expired - Fee Related JP5448646B2 (en)

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