WO2012105389A1 - 車両用フロア構造 - Google Patents
車両用フロア構造 Download PDFInfo
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- WO2012105389A1 WO2012105389A1 PCT/JP2012/051564 JP2012051564W WO2012105389A1 WO 2012105389 A1 WO2012105389 A1 WO 2012105389A1 JP 2012051564 W JP2012051564 W JP 2012051564W WO 2012105389 A1 WO2012105389 A1 WO 2012105389A1
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- WIPO (PCT)
- Prior art keywords
- reinforcing
- floor structure
- composite material
- vehicle
- vehicle floor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
- B62D29/043—Superstructures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
- B62D29/048—Connections therefor, e.g. joints
Definitions
- the present invention relates to a vehicle floor structure made of a thermoplastic fiber reinforced composite material.
- a structure in which steel is sheet-metal processed and combined by welding is generally used.
- These floor structures have a very complicated shape because they provide a reinforcing structure for increasing the rigidity of the vehicle body and a space for storing fuel pipes and exhaust pipes at the bottom of the vehicle.
- thermoplastic fiber composite materials using a thermoplastic resin as a matrix have been developed.
- the thermoplastic fiber reinforced composite material can be heated and plasticized, and can be given a shape with a short tact by stamping, and the press pressure required for stamping is lower than that for steel stamping. If it is about the size of the floor, it can be integrally molded. Although it is possible to add a hollow structure or a shape with an overhang, a mold with a complicated mechanism is required. Therefore, in order to increase productivity, a simple male / female mold can be used. It is desirable to have a shape.
- An object of the present invention is to provide a vehicle floor structure that is lightweight, highly rigid, and highly productive, using a thermoplastic fiber reinforced composite material.
- the present invention is a vehicle floor structure, the main structure of which is a double deck structure composed of two panels formed of a thermoplastic fiber reinforced composite material, and within the scope of the double deck structure, Each of the panels has a continuous reinforcing structure having at least two convex open cross-sectional shapes, and recesses are provided in at least two locations of the reinforcing structure, and the reinforcing structures of the panels cross each other, And it is the floor structure for vehicles characterized by joining in the state which the hollow provided in the reinforcement structure of this panel fitted.
- a lightweight and rigid vehicle floor structure can be realized by fitting and joining two panels, and each panel is manufactured by simple stamping molding of a thermoplastic fiber reinforced composite material. Therefore, it is possible to realize extremely high productivity.
- FIG. 1 It is a perspective view which shows embodiment of the floor structure for vehicles of this invention. It is a perspective view which shows the state which assembled
- the fiber-reinforced composite material in the vehicle floor structure of the present invention includes reinforcing fibers and a matrix resin.
- the form of the reinforcing fiber in the fiber reinforced composite material may be a short fiber, a long fiber, or a continuous fiber, and two or more of these may be used in combination.
- Short fibers are fibers having a fiber length of 0.1 to less than 10 mm
- long fibers are fibers having a length of 10 to 100 mm
- continuous fibers are fibers having a fiber length of 100 mm or more.
- paper made using chopped strands or the like may be used.
- multiaxial woven fabrics are generally nylon yarns, polyester yarns, glass fibers, which are bundles of fiber reinforcements that are aligned in one direction and are laminated at different angles (polyaxial woven fabric base material). This refers to a woven fabric that is stitched by stitches such as yarns, penetrates the laminate in the thickness direction, and reciprocates between the front and back surfaces of the laminate along the surface direction.
- the fiber reinforced material constituting the fiber reinforced composite material molded body may be one in which reinforcing fibers are randomly dispersed and oriented, or one having a specific fiber orientation, one in which reinforcing fibers are plane-oriented or uniaxially oriented, Alternatively, a combination thereof or a laminate thereof is preferable.
- the fiber-reinforced composite material in the vehicle floor structure of the present invention is preferably a random fiber-reinforced composite material in which chopped fibers are randomly oriented in a thermoplastic resin.
- the two-dimensional random fiber reinforced composite material in which the chopped fibers are two-dimensionally randomly oriented in the thermoplastic resin is extremely excellent in formability, and the indented portion to be fitted when joining the panels is particularly elaborate. Therefore, it is more preferable.
- Those in which these random fiber reinforced composite materials are combined with other types of fiber reinforced composite materials or laminated materials can also be suitably used for the vehicle floor structure of the present invention.
- the fiber reinforced composite material in the vehicle floor structure of the present invention may be a laminate or sandwich structure of a fiber reinforced composite material portion and a resin only portion.
- the core member may be a composite material and the skin member may be a resin.
- the core member may be a resin-only portion and the skin member may be a composite material.
- the matrix resin used in the vehicle floor structure of the present invention is a thermoplastic resin or a composition thereof.
- the resin composition examples include polycarbonate resin and polyester resin composition, polycarbonate resin and ABS resin composition, polyphenylene ether resin and polyamide resin composition, polyamide resin and ABS resin composition, and polyester resin and polyamide resin. At least one selected from the group consisting of the above compositions and the like is preferable.
- reinforcing fiber As the reinforcing fiber used in the vehicle floor structure of the present invention, various fibers can be used according to the application of the fastening structure, but glass fiber, polyester fiber, polyolefin fiber, carbon fiber, para-aramid fiber, meta-aramid fiber. At least one selected from the group consisting of fibers, boron fibers, azole fibers, alumina fibers and the like is preferred, and carbon fibers excellent in specific strength and specific elasticity are particularly preferable.
- the vehicle floor structure of the present invention is characterized in that the main structure is a double deck structure composed of two panels formed of a thermoplastic fiber reinforced composite material.
- the double deck structure in the present invention includes a structure in which a part thereof has a structure of three or more layers by a local reinforcing member.
- the entire floor structure does not have to be a double deck structure.
- two panels may be joined for reinforcement, and in some cases, each panel has a different form and function. You may do it. It is preferable that 50% or more of the projected area of the floor has a double deck structure, and more preferably 70% or more has a double deck structure.
- the thickness of the panel is not particularly limited, but is preferably from 0.5 to 10 mm, more preferably from 1 to 5 mm, in view of strength / rigidity and light weight.
- the thickness of the double deck structure is not particularly limited, but is preferably 10 to 300 mm, and more preferably 50 to 200 mm, in view of the rigidity and securing of the interior space.
- the thickness of the panel and the thickness of the double deck structure may not be constant as a whole, and may vary locally.
- the panel is formed of a thermoplastic fiber reinforced composite material and has a continuous reinforcement structure having at least two convex open cross-sectional shapes.
- the two reinforcing structures may be combined with each other at the other portions to form one.
- the number of reinforcing structures that each panel has may be the same or different.
- the cross-sectional shape of the convex open cross-sectional shape can be selected from a hat shape, a U-shape, and the like, but a hat shape is most preferable.
- the height of the convex open section is not particularly limited, but is preferably 10 mm or more and 300 mm or less, more preferably 50 mm or more and 200 mm or less.
- the width of the open cross section is 10 mm or more and 300 mm or less, more preferably 50 mm or more and 200 mm or less.
- a draft can also be added arbitrarily in the range which does not impair the objective of this invention from the viewpoint of performing press molding using a type
- depressions are provided in at least two places of the reinforced structure.
- the number and position of the recesses are determined according to the position and quantity of the reinforcing structure provided on the counterpart panel.
- the shape of the recess it is preferable that the upper end of the convex open cross-sectional shape of the reinforcing structure is recessed in a flat shape (for example, 6 in FIG. 5).
- the depth of the dent is preferably 20 to 80% of the height of the reinforcing structure, and more preferably 40 to 60%. It is preferable that the part which has a hollow and the part which is not so are connected continuously by the taper.
- the heights of the recesses in each panel may be the same or different, but what is important here is that when the double-deck structure is formed with two panels, the recesses in each panel are mated It can be done. Moreover, the dent need not be a complete flat surface, and may have irregularities and apertures that play an auxiliary role when two panels are combined. There may be a rib for joining two panels by vibration welding or ultrasonic welding.
- the direction of the reinforcing structure of the heel panel is arbitrary, but it is preferable that the reinforcing structure provided on one panel is parallel to the axle and the reinforcing structure provided on the other panel is perpendicular to the axle.
- the angle between the axle and the reinforcing structure does not need to be completely parallel or vertical, but is preferably within plus or minus 20 degrees, and more preferably within plus or minus 10 degrees.
- thermoplastic fiber reinforced composite material constituting the two panels is not particularly limited, but from the viewpoint of moldability and physical properties, a random fiber reinforced composite material in which chopped fibers are randomly oriented in the thermoplastic resin is used. Is preferred. It is also possible to form the panel with a woven or knitted fabric made of continuous fibers, a unidirectionally arranged sheet of strands, and a multiaxial woven fabric. There are concerns about local deterioration of physical properties. It is also possible to reinforce part of the panel made of the random fiber reinforced composite material with the continuous fiber reinforced composite material in which the continuous fibers are arranged in one direction in the thermoplastic resin. In this case, as shown in FIGS.
- the plane means a plane having high flatness, and may include ribs and beads that do not significantly disturb the fiber orientation.
- the fiber direction of the continuous fiber reinforced composite material is arbitrary, but it is preferable from the viewpoint of the strength of the floor structure to align with the longitudinal direction of the panel reinforcing structure.
- the thermoplastic fiber reinforced composite materials constituting the two panels may be the same or different, and the type of matrix resin, the type of reinforcing fiber, the form, and the abundance ratio can be appropriately selected according to the purpose. it can.
- the random orientation in the random fiber reinforced composite material is preferably a two-dimensional random orientation.
- the two-dimensional random orientation referred to here means that the chopped fibers are entangled in a two-dimensional manner and deposited while forming a pseudo plane, and each chopped fiber is deposited in the pseudo-plane. It means a state oriented in a plane.
- For a plate-like sample of a random fiber reinforced composite material in which chopped fibers are two-dimensionally oriented measure the tensile modulus in two directions perpendicular to each other in the plane, and out of the obtained tensile modulus values The ratio obtained by dividing the larger one by the smaller one is 2 or less.
- the two panels are formed of a random fiber reinforced composite material in which chopped fibers are two-dimensionally randomly oriented in a thermoplastic resin as described above, that is, a two-dimensional random fiber reinforced composite material. If it is, it will be particularly suitable for fitting and joining, with better physical properties and extremely high practicality.
- the cross-sectional shape of the local reinforcing member is arbitrary, but is preferably a flat plate shape, a hat shape, or a shape in contact with the inner surface of the panel reinforcing structure.
- the local reinforcing member is preferably composed of a random fiber reinforced composite material like the panel, and more preferably a two-dimensional random fiber reinforced composite material. It is also possible to reinforce with continuous fiber reinforced composites arranged in the direction. In this case, the fiber direction of the continuous fiber reinforced composite material is arbitrary, but it is preferable from the viewpoint of the strength of the floor structure to align with the longitudinal direction of the panel reinforcing structure.
- the two panels are joined in a state where the recesses are fitted to each other, but the joining method can be selected from adhesion, welding, mechanical fastening, and the like.
- welding method vibration welding, hot plate welding, solvent bonding, or the like is preferably used, and as the mechanical fastening method, bolt bonding, rivet bonding, or the like is preferably used.
- the method for joining the local reinforcing members described above can also be selected from adhesion, welding, mechanical fastening, and the like.
- welding method vibration welding, hot plate welding, solvent bonding, or the like is preferably used, and as the mechanical fastening method, bolt bonding, rivet bonding, or the like is preferably used.
- the vehicle floor structure of the present invention can be suitably applied to any vehicle type, but can be suitably used for an electric vehicle that does not require a space for storing fuel pipes and exhaust pipes.
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Abstract
Description
本発明の車両用フロア構造における繊維強化複合材料とは、強化繊維とマトリックス樹脂とを含むものである。繊維強化複合材料中の強化繊維の形態は、短繊維でも、長繊維でも、連続繊維でも良く、これらのうち2種類以上を組み合わせて用いても良い。短繊維とは繊維長が0.1~10mm未満、長繊維とは繊維長が10mm~100mm、連続繊維とは繊維長が100mm以上のものである。短繊維や長繊維の場合は、チョップドストランド等を用いて抄紙されたペーパーであってもよい。連続繊維の場合は、織編物、ストランドの一方方向配列シート状物及び多軸織物等のシート状、または不織布状でマトリックス樹脂中に含有されていることも好ましい。なお、多軸織物とは、一般に、一方向に引き揃えた繊維強化材の束をシート状にして角度を変えて積層したもの(多軸織物基材)を、ナイロン糸、ポリエステル糸、ガラス繊維糸等のステッチ糸で、この積層体を厚さ方向に貫通して、積層体の表面と裏面の間を表面方向に沿って往復しステッチした織物をいう。該繊維強化複合材料成形体を構成する繊維強化材料は、強化繊維がランダムに分散・配向したもの、あるいは特定の繊維配向をしたものでもよく、強化繊維が面配向したものあるいは一軸配向したもの、あるいはそれらの組み合わせ、あるいはそれらの積層体であることが好ましい。なかでも、後述するとおり、本発明の車両用フロア構造における繊維強化複合材料としては、熱可塑性樹脂にチョップド繊維がランダム配向しているランダム繊維強化複合材料であると好ましい。更に、熱可塑性樹脂にチョップド繊維が二次元ランダム配向している二次元ランダム繊維強化複合材料であると、極めて成形性に優れ、パネルを接合させる際に嵌合させる窪みの部分を特に精巧なものとすることができるので、より好ましい。これらランダム繊維強化複合材料を、他の種類の繊維強化複合材料と組み合わせたものや、積層体としたものについても、本発明の車両用フロア構造に好適に用いることができる。
本発明の車両用フロア構造に用いられるマトリックス樹脂は、熱可塑性樹脂またはそれらの組成物である。具体的には、ポリカーボネート樹脂、ポリオレフィン系樹脂、ポリエステル樹脂、アクリル樹脂、ポリ乳酸、ポリアミド樹脂、ASA樹脂、ABS樹脂、ポリエーテルケトン樹脂、ポリエーテルイミド樹脂、ポリフェニレンエーテル樹脂、ポリフェニレンオキサイド樹脂、ポリスルホン樹脂、ポリエーテルスルホン樹脂、ポリエーテルイミド樹脂、ポリエーテルエーテルケトン樹脂、ポリフェニレンサルファイド樹脂、ポリアミドイミド樹脂およびこれらの樹脂から選ばれる2種類以上の混合物(樹脂組成物)が挙げられるが特に制限はない。樹脂組成物としては、ポリカーボネート樹脂とポリエステル樹脂の組成物、ポリカーボネート樹脂とABS樹脂との組成物、ポリフェニレンエーテル樹脂とポリアミド樹脂の組成物、ポリアミド樹脂とABS樹脂の組成物、およびポリエステル樹脂とポリアミド樹脂の組成物等からなる群から選択された少なくとも1種が好ましい。
本発明の車両用フロア構造に用いられる強化繊維としては、締結構造の用途に応じた各種の繊維を使用できるが、ガラス繊維、ポリエステル繊維、ポリオレフィン繊維、炭素繊維、パラ系アラミド繊維、メタ系アラミド繊維、ボロン繊維、アゾール繊維、アルミナ繊維等からなる群から選択された少なくとも1種が好ましいものとして挙げられ、特に好ましくは比強度と比弾性に優れる炭素繊維である。
本発明の車両用フロア構造は、主たる構造が熱可塑性繊維強化複合材料で成形された2枚のパネルで構成されたダブルデッキ構造であることを特徴とする。本発明におけるダブルデッキ構造とは、その一部が局所補強部材によって3層以上の構成になっているものも含む。フロア構造の全体がダブルデッキ構造である必要はなく、一部においては2枚のパネルが補強のために接合されていても良く、一部においてはそれぞれのパネルが互いに別の形態や機能を有しても良い。フロアの投影面積の50%以上がダブルデッキ構造となっていることが好ましく、70%以上がダブルデッキ構造となっていることがさらに好ましい。パネルの厚みは特に制限はないが、強度・剛性と軽量性の兼ね合いから0.5~10mmが好ましく、1~5mmがさらに好ましい。ダブルデッキ構造の厚みも特に制限はないが、剛性と車内空間の確保の兼ね合いから、10~300mmが好ましく、50~200mmがさらに好ましい。パネルの厚み、およびダブルデッキ構造の厚みは、全体が一定でなくても構わず、局所的に変動していても良い。
パネルは熱可塑性繊維強化複合材料で成形されており、少なくとも2本以上の凸型開断面形状を有する連続した補強構造を有することが重要である。補強構造は、フロア構造がダブルデッキ構造を有する範囲内で少なくとも2本以上となっていれば良く、それ以外の部分で2本の補強構造が互いに結合されて1本になっていても良い。それぞれのパネルが持つ補強構造の本数は同じであっても異なっていても良い。凸型開断面形状の断面形状は、ハット形状、U字形状などから選択することが可能であるが、ハット形状が最も好ましい。凸型開断面の高さは特に限定はないが、好ましくは10mm以上、300mm以下、より好ましくは50mm以上、200mm以下である。開断面の幅は10mm以上、300mm以下、より好ましくは50mm以上、200mm以下である。また、開断面形状について、例えば型を用いたプレス成形を行う観点から本発明の目的を損なわない範囲で抜き勾配を任意に加えることもできる。
なお、上記のランダム繊維強化複合材料におけるランダム配向としては二次元ランダム配向が好ましい。ここでいう二次元ランダム配向とは、チョップド繊維を散布して得られる堆積物などに見られる、チョップド繊維が二次元状に絡み合って疑似平面を形成しつつ堆積し、各々のチョップド繊維が当該疑似平面内に配向した状態を意味する。チョップド繊維が二次元ランダムに配向したものであるランダム繊維強化複合材料の板状試料について、その平面内において互いに直行する二方向の引張弾性率を測定し、得られた引張弾性率の値のうち大きいものを小さいもので割って求めた比は2以下となる。
本発明の車両用フロア構造において、2枚のパネルが上記のような、熱可塑性樹脂にチョップド繊維が二次元ランダム配向しているランダム繊維強化複合材料、つまり二次元ランダム繊維強化複合材料で成形されたものであると、特に嵌合および接合に適したものとなり、物性もより優れ、実用性が極めて高いものとなる。
2枚のパネルは互いの窪みを嵌合させた状態で接合されるが、接合方法としては接着、溶着、機械的締結などから選択することが可能である。溶着方法としては、振動溶着、熱板溶着、溶剤接着などが好ましく用いられ、機械的締結方法としては、ボルト結合、リベット結合などが好ましく用いられる。
前述の局所補強部材の接合方法も、接着、溶着、機械的締結などから選択することが可能である。溶着方法としては、振動溶着、熱板溶着、溶剤接着などが好ましく用いられ、機械的締結方法としては、ボルト結合、リベット結合などが好ましく用いられる。
本発明の車両用フロア構造は、任意の車両形式に好適に適用可能であるが、燃料配管や排気管を収納するためのスペースが必要のない電気自動車により好適に使用可能である。なお、2枚のパネルで形成された空間内にバッテリーを格納することも可能であり、車内空間の拡大や車両の低重心化を実現することが可能である。この場合、2枚のパネルの一部にメンテナンス用の開口部を設けることも可能である。
2 サイドメンバ
3 パネル(A)
4 パネル(B)
5 補強構造
6 窪み
7 局所補強部材(平板断面形状)
8 局所補強部材(ハット断面形状)
9 局所補強部材(補強構造内面に接する断面形状)
10 バッテリー
11 メンテナンス用の開口部
12 メンテナンス用開口部のフタ
Claims (11)
- 車両用フロア構造であって、主たる構造が熱可塑性繊維強化複合材料で成形された2枚のパネルで構成されたダブルデッキ構造であり、該ダブルデッキ構造を有する範囲内において、該パネルがそれぞれ少なくとも2本以上の凸型開断面形状を有する連続した補強構造を有しており、該補強構造の少なくとも2箇所に窪みが設けられていて、該パネル同士の補強構造が交差し、かつ、該パネルの補強構造に設けられた窪み同士が嵌合した状態で接合されたことを特徴とする車両用フロア構造。
- 該パネルのうち、一方に設けられた該補強構造が車軸に平行であり、もう一方に設けられた該補強構造が車軸に垂直方向であることを特徴とする請求項1記載の車両用フロア構造。
- 該補強構造の凸型開断面形状がハット形状であることを特徴とする請求項1~2のいずれかに記載の車両用フロア構造。
- 該補強構造のうち、少なくとも1つの補強構造に局所補強部材が接合され、該補強構造の断面形状が中空閉断面形状となったことを特徴とする請求項1~3のいずれかに記載の車両用フロア構造。
- 該パネルを構成する熱可塑性繊維複合材料が、熱可塑性樹脂にチョップド繊維がランダム配向しているランダム繊維強化複合材料であることを特徴とする請求項1~4のいずれかに記載の車両用フロア構造。
- 該パネルの一部が、熱可塑樹脂中に連続繊維が一方向にそろえて配置された連続繊維強化複合材料で補強されていることを特徴とする請求項5記載の車両用フロア構造。
- 該局所補強部材が、熱可塑性樹脂にチョップド繊維がランダム配向しているランダム繊維強化複合材料からなることを特徴とする請求項4記載の車両用フロア構造。
- 該局所補強部材の一部が、熱可塑樹脂中に連続繊維が一方向にそろえて配置された連続繊維強化複合材料で補強されていることを特徴とする請求項7記載の車両用フロア構造。
- 強化繊維が炭素繊維である請求項1~8のいずれかに記載の車両用フロア構造。
- 2枚のパネルで形成された空間内にバッテリーを格納したことを特徴とする請求項1~9のいずれかに記載の車両用フロア構造。
- 適用する車両が電気自動車であることを特徴とする請求項10記載の車両用フロア構造。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201280007774.6A CN103339021B (zh) | 2011-02-03 | 2012-01-25 | 车辆底板结构 |
| JP2012555820A JP5581404B2 (ja) | 2011-02-03 | 2012-01-25 | 車両用フロア構造 |
| EP12741966.1A EP2671777B1 (en) | 2011-02-03 | 2012-01-25 | Vehicle floor structure |
| KR1020137020462A KR101764463B1 (ko) | 2011-02-03 | 2012-01-25 | 차량용 플로어 구조 |
| US13/957,752 US8814255B2 (en) | 2011-02-03 | 2013-08-02 | Vehicle floor structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-021649 | 2011-02-03 | ||
| JP2011021649 | 2011-02-03 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/957,752 Continuation US8814255B2 (en) | 2011-02-03 | 2013-08-02 | Vehicle floor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012105389A1 true WO2012105389A1 (ja) | 2012-08-09 |
Family
ID=46602607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2012/051564 Ceased WO2012105389A1 (ja) | 2011-02-03 | 2012-01-25 | 車両用フロア構造 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8814255B2 (ja) |
| EP (1) | EP2671777B1 (ja) |
| JP (1) | JP5581404B2 (ja) |
| KR (1) | KR101764463B1 (ja) |
| CN (1) | CN103339021B (ja) |
| WO (1) | WO2012105389A1 (ja) |
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| JP2014054798A (ja) * | 2012-09-13 | 2014-03-27 | Mitsubishi Rayon Co Ltd | 繊維強化熱可塑性樹脂成形品の製造方法 |
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| DE102015110302A1 (de) | 2014-07-02 | 2016-01-07 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Verbesserte wellungsgestaltungen |
| DE102015110137A1 (de) | 2014-07-02 | 2016-01-07 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Schlagfeste Komponente für ein Fahrzeug |
| DE102015110302B4 (de) | 2014-07-02 | 2022-08-18 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Schlagfeste Komponente für ein Fahrzeug |
| US9592853B2 (en) | 2014-07-02 | 2017-03-14 | GM Global Technology Operations LLC | Corrugation designs |
| US9650003B2 (en) | 2014-07-02 | 2017-05-16 | GM Global Technology Operations LLC | Impact resistant component for a vehicle |
| US10293770B2 (en) | 2014-07-02 | 2019-05-21 | GM Global Technology Operations LLC | Impact resistant component for a vehicle |
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| DE102015120887B4 (de) | 2014-12-18 | 2021-08-12 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Reibschweißanordnung und Verfahren zum Reibschweißen |
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| US10695993B2 (en) | 2016-01-15 | 2020-06-30 | GM Global Technology Operations LLC | In-situ polymerization of polyamides for composite part repair |
| DE102017100509B4 (de) | 2016-01-15 | 2024-01-18 | GM Global Technology Operations LLC | In-situ-Polymerisation von Caprolactam zur Verbundstoffteilreparatur |
| DE102017109362A1 (de) | 2016-05-02 | 2017-11-02 | GM Global Technology Operations LLC | Kosmetische Reparatur eines thermoplastischen Kohlenstofffaserkomposits |
| US10589477B2 (en) | 2016-05-02 | 2020-03-17 | GM Global Technology Operations LLC | Cosmetic repair of a thermoplastic carbon fiber composite |
| DE102017109362B4 (de) | 2016-05-02 | 2023-08-10 | GM Global Technology Operations LLC | Kosmetische Reparatur eines thermoplastischen Kohlenstofffaserkomposits |
| JP2017222191A (ja) * | 2016-06-13 | 2017-12-21 | 日産自動車株式会社 | 自動車の下部構造 |
| US10611104B2 (en) | 2017-06-15 | 2020-04-07 | GM Global Technology Operations LLC | Heating elements for repair of molding defects for carbon fiber thermoplastic composites |
| CN110316258A (zh) * | 2018-03-30 | 2019-10-11 | 比亚迪股份有限公司 | 前地板结构、前地板总成及车辆 |
| CN110316258B (zh) * | 2018-03-30 | 2021-06-18 | 比亚迪股份有限公司 | 前地板总成及车辆 |
| WO2022163054A1 (ja) * | 2021-01-26 | 2022-08-04 | 帝人株式会社 | 車両構造体 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103339021B (zh) | 2016-03-23 |
| EP2671777B1 (en) | 2017-07-05 |
| JPWO2012105389A1 (ja) | 2014-07-03 |
| KR101764463B1 (ko) | 2017-08-04 |
| KR20140012637A (ko) | 2014-02-03 |
| EP2671777A1 (en) | 2013-12-11 |
| CN103339021A (zh) | 2013-10-02 |
| US20130313860A1 (en) | 2013-11-28 |
| US8814255B2 (en) | 2014-08-26 |
| JP5581404B2 (ja) | 2014-08-27 |
| EP2671777A4 (en) | 2015-07-08 |
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