WO2004040163A1 - 車両用衝撃吸収体 - Google Patents
車両用衝撃吸収体 Download PDFInfo
- Publication number
- WO2004040163A1 WO2004040163A1 PCT/JP2003/010013 JP0310013W WO2004040163A1 WO 2004040163 A1 WO2004040163 A1 WO 2004040163A1 JP 0310013 W JP0310013 W JP 0310013W WO 2004040163 A1 WO2004040163 A1 WO 2004040163A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- vehicle
- wall
- shock absorber
- impact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R21/0428—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the side doors or panels, e.g. displaced towards the occupants in case of a side collision
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/121—Vibration-dampers; Shock-absorbers using plastic deformation of members the members having a cellular, e.g. honeycomb, structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0472—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by comprising a damping device
- F16F9/0481—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by comprising a damping device provided in an opening to the exterior atmosphere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
- B29C2049/4805—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity by closing the mould halves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4802—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity
- B29C49/4812—Moulds with means for locally compressing part(s) of the parison in the main blowing cavity and welding opposite wall parts of the parisons or preforms to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
- B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0089—Impact strength or toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3008—Instrument panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3011—Roof linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3014—Door linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/302—Trim strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3023—Head-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3026—Arm-rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7138—Shock absorbing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
- B60R2019/1866—Cellular structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
- B60R2019/188—Blow molded structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R2021/0414—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings using energy absorbing ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
- B60R2021/0435—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings associated with the side or roof pillars
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0047—Measuring, indicating
Definitions
- the present invention relates to a vehicle component, for example, a door, a door trim, or a vehicle side component, a roof panel, a pillar, a bumper, or the like, which is provided inside the vehicle component so that a passenger collides with an inner wall of the vehicle component.
- the present invention relates to a vehicle shock absorber for absorbing an external shock such as a collision with another vehicle or another vehicle.
- thermoplastic double-walled hollow structure is formed by blow molding thermoplastic resin, and a concave lip is formed from the front and rear walls to form a mutual lip.
- Japanese Patent Application Laid-Open No. 2002-187580 discloses a technique in which the tip portions are joined together to improve the impact absorbability. Furthermore, flexural modulus 5 0 0 0 kg Z cm 2 ⁇ 2 5 0 0 0 kg Z cm Ri by the second polypropylene resin constituting the vehicle shock absorber, Japanese Patent No. 3 3 1 3 9 9 9 No. It is described in the gazette.
- the stress change rate must be within ⁇ 10% within the range of -15 ° C to 60 ° C with respect to the compressive strain at room temperature.
- the Japanese Patent No. 3 3 1 3 9 9 9 No. flexural modulus is Ki ⁇ in Publication 5 0 0 0 kg / cm 2 ⁇ 2 5 0 0 0 kg / cm 2 of the polypropylene resin With these, the required shock absorbing performance cannot be obtained.
- the present invention provides an impact absorber formed integrally by blow molding and forming an HI-shaped rib, and an amorphous resin as a polyolefin resin.
- thermoplastic plastics or thermoplastic plastics containing olefin elastomers, etc. make it possible to maintain the required shock absorption performance over a wide range from high to low temperatures, and to absorb shocks for vehicles It is intended to provide the body. Disclosure of the invention
- a vehicle shock absorber has a hollow vehicle absorber that is arranged in a vehicle component to absorb a shock from inside or outside of the vehicle.
- An impact absorber wherein a first wall and a second wall facing each other are formed, and the second wall faces the first wall.
- a pair of concave ribs is formed by recessing the second wall toward the first wall facing the first wall, and forming a pair of concave ribs in which the tips are welded to each other. It is characterized by being formed by blow molding a thermoplastic mixed with 35 to 75 wt% of an amorphous resin. '
- the vehicle shock absorber according to claim 2 of the present invention is the vehicle shock absorber according to claim 1, wherein the thermoplastic plastic constituting the vehicle shock absorber has a flexural modulus of 900. 22200 kg / cm 2 .
- the vehicle impact absorber according to claim 3 of the present invention is the vehicle impact absorber according to claim 1, wherein the thermoplastic plastic forming the vehicle impact absorber has an Izod impact value at room temperature. It is characterized by a weight of 15 to 40 kg / cm 2 .
- the shock absorber for vehicles according to claim 4 of the present invention in the structure according to claim 1, wherein the polyolefin-based resin is a polypropylene resin, the amorphous resin is a polystyrene resin, At least one resin selected from the group consisting of reactive polystyrene resins, acrylonitrile butadiene-styrene resins, polyphenylene ether resins, and mixtures thereof. .
- the vehicular shock absorber according to claim 5 of the present invention is a hollow vehicular shock absorber that is arranged in a vehicle component to absorb a shock from inside or outside of the vehicle. Opposing first wall and second wall are formed, and the first wall is depressed toward the opposing second wall to form a concave rib having a leading end welded to the second wall. becomes, the vehicular shock struck absorber in amorphous resin 3 5 ⁇ 7 5 wt% blend flexural modulus 9 0 0 0 ⁇ 2 2 0 0 0 kg Z cm 2 in the polyolefin resin, at room temperature Oak It is characterized in that it is formed by molding a thermoplastic having an Izod impact value of 15 to 40 kg / cm 2 .
- the vehicle impact absorber according to claim 6 of the present invention is the vehicle impact absorber according to claim 5, wherein the polyolefin resin is a polyethylene resin, a polypropylene resin, an ethylene-propylene copolymer resin, or the like, Particularly, a polypropylene resin is preferable.
- the amorphous resin is selected from at least one resin selected from the group consisting of a polystyrene resin, an impact-resistant polystyrene resin, an acrylonitrile-butadiene-styrene resin, a polyphenylene ether resin, and a mixture thereof. It is characterized by becoming.
- the vehicle shock absorber according to claim 7 of the present invention is a hollow vehicle shock absorber that is arranged in a vehicle component to absorb a collision from inside or outside of the vehicle.
- a first wall and a second wall facing each other are formed, and the first wall is depressed toward the opposing second wall, and the second wall is depressed toward the opposing first wall.
- a pair of concave ribs formed by welding the tips of each other is formed, and the vehicle shock absorber is made of a polyolefin resin mixed with a resin having a flexural modulus of less than 200 kg / cm 2. It is characterized by being formed by blow-molding the obtained thermoplastic.
- the vehicle impact absorber according to claim 8 of the present invention is the vehicle impact absorber according to claim 7, wherein the vehicle impact absorber has a flexural modulus of 200 kg / cm of the polyolefin resin. It is characterized by being formed by blow molding a thermoplastic plastic containing 2 or less resin.
- the vehicle impact absorber according to claim 9 of the present invention is the vehicle impact absorber according to claim 7, wherein the vehicle impact absorber is the polyolefin-based resin.
- Nylon-based elastomer, styrene-based elastomer, low-density polyethylene, linear low-density polyethylene, ultra-low-density polyethylene, linear ultra-low-density polyethylene Both are characterized by being formed by blow molding a thermoplastic plastic containing one type of resin.
- the vehicle shock absorber according to claim 10 of the present invention is the vehicle shock absorber according to claim 7, wherein the polyolefin-based resin is at least one selected from the group consisting of polyethylene, polypropylene, and a mixture thereof. It is characterized by being composed of seed resin.
- the vehicle impact absorber according to claim 11 of the present invention is the vehicle impact absorber according to claim 7, wherein the vehicle impact absorber includes the polyolefin-based resin and the olefin-based elastomer.
- the olefin-based elastomer is ethylene-propylene copolymer rubber, ethylene-butene copolymer rubber, propylene-butene copolymer rubber, or butadiene-styrene copolymer rubber. It is characterized by being made of at least one resin selected from the group consisting of hydrogenated substances.
- the shock absorber for vehicles according to claim 12 of the present invention is characterized in that In the above structure, 3 to 20 parts by weight of the above-mentioned elastomer is blended with respect to the above-mentioned polyolefin resin.
- the vehicle impact absorber according to claim 13 of the present invention is the vehicle absorber according to claim 7, wherein the resin blended with the polyolefin resin has a glass transition temperature or a brittle temperature of minus 30 °. It is characterized by being a thermoplastic resin of C or less.
- the vehicle impact absorber according to claim 14 of the present invention is arranged in a vehicle component to absorb shocks from inside or outside of the vehicle.
- An empty vehicle shock absorber wherein a first wall and a second wall opposed to each other are formed, and the first wall is depressed toward the opposed second wall.
- a concave rib welded to the second wall is formed, wherein the shock absorber for a vehicle has a flexural modulus of less than 200 kg Zcm 2 and a glass transition temperature of minus 30 ° in polypropylene resin. It is characterized by being constituted by a thermoplastic resin in which 3 to 20 parts by weight of a olefin-based elastomer of C or less is blended with respect to the polypropylene resin.
- FIG. 1 is a perspective view showing a shock absorber for a vehicle according to an embodiment of the present invention in a cutaway view
- Fig. 2 is an enlarged sectional view taken along line A-A in Fig. 1
- Fig. 3 is a professional molding
- Fig. 4 shows a process of forming a vehicle shock absorber by molding
- Fig. 4 shows a process of forming a vehicle shock absorber by professional molding
- Fig. 5 shows a vehicle shock absorber according to the present invention.
- FIG. 6 is a cross-sectional view showing a mode in which the vehicle shock absorber according to the present invention is installed in a rear pillar of an automobile; and FIG.
- FIG. 7 is a cross-sectional view showing an aspect in which the shock absorber for vehicle is installed in a vehicle rear panel.
- FIG. 8 is a rear view of a rear bumper in which a shock absorber is installed
- FIG. 8 is a perspective view of a vehicle shock absorber according to another embodiment of the present invention cut away
- FIG. 9 is a modified PPE resin applied to a PP resin.
- Darraf which shows the displacement of the vehicle shock absorber made of the mixed resin with respect to the compressive load
- No. 10 Is a graph showing the displacement of a vehicle shock absorber composed of PP resin mixed with an olebuin-based elastomer against the compressive load
- Fig. 11 is a vehicle shock absorber composed of PP resin.
- 6 is a graph showing displacement of a sample with respect to a compressive load.
- reference numeral 1 denotes a vehicle shock absorber.
- the dual-use shock absorber 1 is made of thermoplastic plastic integrally formed by blow molding, has a hollow portion 2, and has both the first wall 3 and the second wall 4 facing each other facing each other. It has a number of concave ribs .5 and 6 which form a pair and are formed by recessing. The tips of these concave ribs 5 and 6 are in contact with each other to form a welding surface.
- the concave ribs are formed by recessing the first wall 3 facing each other toward the second wall 4 so that the distal end is formed by the second wall. 4 or a structure in which the second wall 4 is depressed in the direction of the first wall 3 to join the tip to the first wall 3.
- the impact absorber for a vehicle 1 according to the present invention has a flexural modulus of 900 to 220 kg / cm 2 in which 35 to 75 wt% of an amorphous resin is mixed with a polyolefin resin. It is composed of thermoplastic.
- a polyolefin resin a polypropylene resin, a polyethylene resin, an ethylene-propylene copolymer resin and the like are used, and a polypropylene resin is particularly preferable.
- the amorphous resin may be selected from the group consisting of a polystyrene resin, an impact-resistant polystyrene resin, an acrylonitrile-butadiene-styrene resin, a polyphenylene ether resin, and a mixture thereof. In each case, one type of resin is used.
- the thermoplastic resin constituting the shock absorber 1 has an Izod impact value at room temperature of 15 to 40 kg / cm 2 .
- Fig. 9 to Fig. 11 show the results of measuring the displacement (change in compressive strain) with respect to the compressive load by compressing the vehicle shock absorber 1 obtained by blow molding with a tensile tester.
- the curves (a1), (b1), and (c1) shown in the graph of FIG. 11 are room temperature (20 ° C), minus 15 ° C, and 60, respectively.
- 3 shows the displacement of the vehicle shock absorber 1 having a concave lip formed only of polypropylene resin under a compressive load under the environment of C.
- the curves (b 1) and (c 1) show that the compressive load shows each displacement as compared with the curve (a 1) showing the displacement with respect to the compressive load at normal temperature (20 ° C).
- the value of the compressive load shows a larger value than the curve (a 1)
- the curve (c 1) Shows that the value of the compressive load is smaller than the curve (a1) when the displacement of the shock absorber is 0 to 55 mm.
- the impact absorber formed of only the polypropylene resin has a large change in stress with respect to temperature, and its impact absorption performance changes with the temperature of the outside air.
- the curves (a 2), (b 2), and (c 2) shown in the graph of FIG. 9 are polypropylene resin under normal temperature (20 ° C.), minus 15 ° C., and 60 ° C., respectively.
- This figure shows the displacement with respect to the compressive load of the vehicle shock absorber 1 having concave ribs formed of a thermoplastic plastic containing 50 wt% of polyphenylene ether resin (modified PPE).
- the vehicle shock absorber 1 has a curve (b 2) compared with a curve (a 2) showing displacement against a compressive load at normal temperature (20).
- (c 2) indicates the approximate value of the compression load at each displacement.
- the value of the compressive load shows almost the same value as the curve (a 2)
- the curve (c 2) shows almost the same value as the curve (a2).
- the shock absorber formed of a thermoplastic resin in which an amorphous resin such as polypropylene resin is mixed with an amorphous resin such as polypropylene resin has a small change in stress with respect to the temperature, and the outside air is hardly affected. Its shock absorbing performance does not change with temperature.
- polyphenylene ether is used as the amorphous resin.
- other amorphous resins include polystyrene resin (PS), impact-resistant polystyrene resin (HIPS), and acrylic nitrile-butadiene-styrene resin (ABS).
- PS polystyrene resin
- HIPS impact-resistant polystyrene resin
- ABS acrylic nitrile-butadiene-styrene resin
- Izod impact value tends to change significantly depending on the blending ratio. For this reason, it is necessary to specify the Izod impact value in addition to the resin mixing ratio.
- Izod impact values suitable as impact absorbers for vehicles are 15 to 40 kg / cm 2 .
- the fact that the temperature dependence of the shock absorbing performance of the shock absorber is reduced by blending the other amorphous resin is the same as in the case of the polyphenylene ether resin, and a description thereof will be omitted. .
- Table 1 shows the stress change rate (%) and izzot impact value (kg / cm 2 ) when adding a polyphenylene ether resin (modified PPE) to polypropylene resin (PP) at a different mixing ratio.
- the stress change rate was calculated based on the load stress at room temperature and when the compressive strain of the shock absorber was 50%. Compressive strain of 50% means that the impact absorber Shows when it is crushed from 0 and deformed to half thickness.
- Comparative Example 1 An impact absorber was formed by blow molding only with a propylene resin without adding a polyphenylene ether resin. Based on room temperature and 50% displacement, the stress change rate is 21% at minus 15 ° C and minus 34 at 60 ° C. /. Met. In other words, the compression load increases at low temperatures, and decreases at high temperatures.
- Comparative Example 2 A shock absorber was formed by a professional molding using a thermoplastic resin in which 20 wt% of a polyphenylene ether resin was blended with a polypropylene resin. In this case, the same result as in Comparative Example 1 was obtained.
- Example 1 An impact absorber was formed by a professional molding using a thermoplastic resin in which 35 wt% of a polyphenylene ether resin was blended with a polypropylene resin. In this case, the incorporation of the polyphenylene ether resin improved the stress change rate especially at 60 ° C, and reduced the change in shock absorption due to temperature change.
- Example 2 Blow molding was performed using a thermoplastic resin in which 50 wt% of a polyphenylene ether resin was blended with a polypropylene resin to form an impact absorber.
- Example 3 Blow molding was performed with a thermoplastic resin in which 70 wt% of a polyphenylene ether resin was blended with a polypropylene resin to form an impact absorber.
- the impact absorber for a vehicle 1 has a flexural modulus of not more than 2000 kg Zcm 2 , particularly preferably not more than 2 kg. 0 0 kg / cm z less soft resin composed of thermoplastics blended with a polyolefin resin.
- the vehicle shock absorber 1 obtained by blow molding was compressed by a tensile tester, and the displacement (change in compressive strain) with respect to the compressive load was measured.
- Figure 10 shows the results.
- the curve (a) shown in the graph of FIG. 10 shows the displacement with respect to the compressive load of the vehicle shock absorber 1 having concave ribs to which no soft resin is added at room temperature. It is evident that even when the distance exceeds mm, the compressive load is supported without any reduction in the high load and the impact is favorably absorbed.
- the curve (c) shown in the graph shows the displacement of the shock absorber 1 for a vehicle having a concave rib to which no soft resin was added at minus 30 with respect to the compressive load, and the displacement of the shock absorber was 1 It is clear that the compression load decreases from around 0 mm, and that good shock absorption has not been obtained. In other words, in the vehicle shock absorber 1 to which the soft resin is not added at a low temperature of minus 30 ° C, embrittled rupture occurs in the concave rib and cracks are formed, so that the required impact is reduced. Can't gain shock absorption.
- the impact absorption can be improved even at low temperatures as shown by the curve (b) in the graph.
- the curve (b) shown in the graph shows the displacement with respect to the compressive load at minus 30 ° C when the soft resin was added.
- the curve (b) shows that the soft resin was added.
- the reduction of the compressive load from around the point where the displacement of the shock absorber exceeds 10 mm is suppressed, and good shock absorption is exhibited. That is, the vehicle shock absorber 1 having the concave lip is made of a polyolefin-based resin such as polypropylene as a base resin, and 3 to 20 parts by weight of an olefin-based elastomer.
- thermoplastic resin blended with a soft resin such as 2 it is possible to suppress temperature dependence, and even at low temperatures of minus 30 ° C, the impact absorber 1 for vehicles does not cure, and the On the other hand, the occurrence of embrittlement fracture is prevented, and suitable shock absorption can be obtained.
- the soft resin added since shock absorbers for vehicles are required to absorb shock at minus 30 ° C, the soft resin added must have a glass transition temperature or embrittlement temperature of minus 30 ° C or less. is necessary.
- the resin For the resin to be added with a flexural modulus of 2000 kg / cm 2 or less, it is necessary that the resin be mixed well with the polyolefin resin as the base resin.
- Toma, styrene-based elastomers, low-density polyethylene, linear low-density polyethylene, ultra-low-density polyethylene, and linear ultra-low-density polyethylene are preferred, and especially olefin-based elastomers are used as base resins.
- olefin-based elastomers By blending 3 to 20 parts by weight with respect to the polyolefin resin, good impact absorption can be obtained.
- the hydrogenated elastomers include ethylene-propylene copolymer rubber, ethylene-butene copolymer rubber, propylene-butene copolymer rubber, and hydrogenated butadiene-styrene copolymer rubber.
- Styrene-based elastomers include styrene-butadiene block copolymer, styrene-butadiene-styrene block copolymer, styrene-isoprene block copolymer, styrene-isoprene- Styrene block copolymers and hydrogenated products thereof are preferably used. These elastomers have good mixing properties with polyolefin resins.
- the vehicle shock absorber 1 according to the present invention is blow-molded in the manner shown in FIG. 3 and FIG.
- Reference numerals 12 and 12 denote a pair of split dies.
- the split dies 12 and 12 have concave rib forming portions 13 and 13 for forming the concave ribs 5 and 6, respectively.
- 14 is a parison and 15 is an extrusion head.
- the vehicle shock absorber according to the present invention is provided inside a vehicle component such as a door, a door trim or a body side panel, a roof panel, a pillar, or a bumper.
- FIG. 5 shows the interior of the door trim 9 of the door 8
- FIG. 6 shows the interior of the automobile rear pillar 10
- FIG. 7 shows the interior of the rear bumper 11 and the vehicle shock absorber 1 according to the present invention.
- An example is shown.
- A indicates the head of the occupant.
- the vehicle shock absorber according to the present invention includes a vehicle structure such as a door, a door trim, a body side panel, a roof panel, a pillar, a bumper, a seat, an instrument panel, etc. of an automobile or the like. It can be suitably used as a member that is provided inside a member and absorbs impacts such as collisions.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Body Structure For Vehicles (AREA)
- Vibration Dampers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003254829A AU2003254829A1 (en) | 2002-10-31 | 2003-08-06 | Shock absorber for vehicle |
| EP03809842A EP1557583B1 (en) | 2002-10-31 | 2003-08-06 | Shock absorber for vehicle |
| AT03809842T ATE475031T1 (de) | 2002-10-31 | 2003-08-06 | Stossdämpfer für fahrzeug |
| CA2504490A CA2504490C (en) | 2002-10-31 | 2003-08-06 | Impact absorbing member for vehicle |
| DE60333470T DE60333470D1 (de) | 2002-10-31 | 2003-08-06 | Stossdämpfer für fahrzeug |
Applications Claiming Priority (28)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-319160 | 2002-10-31 | ||
| JP2002319161A JP2004149075A (ja) | 2002-10-31 | 2002-10-31 | 車両用衝撃吸収体 |
| JP2002319160A JP2004149074A (ja) | 2002-10-31 | 2002-10-31 | 車両用衝撃吸収体 |
| JP2002319162A JP4229676B2 (ja) | 2002-10-31 | 2002-10-31 | 車両用衝撃吸収体 |
| JP2002319163A JP4181630B2 (ja) | 2002-10-31 | 2002-10-31 | 車両用衝撃吸収体 |
| JP2002-319162 | 2002-10-31 | ||
| JP2002-319163 | 2002-10-31 | ||
| JP2002-319161 | 2002-10-31 | ||
| JP2003025254A JP2004232827A (ja) | 2003-01-31 | 2003-01-31 | 車両用衝撃吸収体 |
| JP2003-25257 | 2003-01-31 | ||
| JP2003-25254 | 2003-01-31 | ||
| JP2003025256A JP2004231143A (ja) | 2003-01-31 | 2003-01-31 | 車両用衝撃吸収体 |
| JP2003-25258 | 2003-01-31 | ||
| JP2003025255A JP4220795B2 (ja) | 2003-01-31 | 2003-01-31 | 車両用衝撃吸収体 |
| JP2003025258A JP2004231145A (ja) | 2003-01-31 | 2003-01-31 | 車両用衝撃吸収体 |
| JP2003-25256 | 2003-01-31 | ||
| JP2003025257A JP2004231144A (ja) | 2003-01-31 | 2003-01-31 | 車両用衝撃吸収体 |
| JP2003-25255 | 2003-01-31 | ||
| JP2003054857 | 2003-02-28 | ||
| JP2003054856A JP4181631B2 (ja) | 2003-02-28 | 2003-02-28 | 車両用衝撃吸収体 |
| JP2003-54857 | 2003-02-28 | ||
| JP2003-54856 | 2003-02-28 | ||
| JP2003-54858 | 2003-02-28 | ||
| JP2003054858A JP2004262343A (ja) | 2003-02-28 | 2003-02-28 | 車両用衝撃吸収体 |
| JP2003-97349 | 2003-03-31 | ||
| JP2003097349A JP4271476B2 (ja) | 2003-02-28 | 2003-03-31 | 車両用衝撃吸収体 |
| JP2003-135249 | 2003-05-14 | ||
| JP2003135249 | 2003-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004040163A1 true WO2004040163A1 (ja) | 2004-05-13 |
Family
ID=32234569
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/010011 Ceased WO2004040161A1 (ja) | 2002-10-31 | 2003-08-06 | 車両用衝撃吸収体 |
| PCT/JP2003/010013 Ceased WO2004040163A1 (ja) | 2002-10-31 | 2003-08-06 | 車両用衝撃吸収体 |
| PCT/JP2003/010012 Ceased WO2004040162A1 (ja) | 2002-10-31 | 2003-08-06 | 車両用衝撃吸収体 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/010011 Ceased WO2004040161A1 (ja) | 2002-10-31 | 2003-08-06 | 車両用衝撃吸収体 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/010012 Ceased WO2004040162A1 (ja) | 2002-10-31 | 2003-08-06 | 車両用衝撃吸収体 |
Country Status (6)
| Country | Link |
|---|---|
| US (6) | US7111713B2 (ja) |
| EP (2) | EP1557583B1 (ja) |
| AT (2) | ATE475031T1 (ja) |
| AU (3) | AU2003254828A1 (ja) |
| CA (2) | CA2504485C (ja) |
| WO (3) | WO2004040161A1 (ja) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004040161A1 (ja) * | 2002-10-31 | 2004-05-13 | Kyoraku Co., Ltd. | 車両用衝撃吸収体 |
| JP4280153B2 (ja) * | 2003-11-28 | 2009-06-17 | キョーラク株式会社 | 車両用衝撃吸収体 |
| US7338038B2 (en) * | 2004-03-12 | 2008-03-04 | Dow Global Technologies, Inc. | Impact absorption structure |
| DE502004007839D1 (de) * | 2004-06-16 | 2008-09-25 | Jacob Composite Gmbh | Bauteil zur Energieaufnahme bei einem Aufprall |
| JP4531468B2 (ja) * | 2004-07-14 | 2010-08-25 | 小島プレス工業株式会社 | 車両用衝撃吸収構造体及びその取付構造 |
| JP4598468B2 (ja) * | 2004-09-30 | 2010-12-15 | キョーラク株式会社 | 車両用衝撃吸収体 |
| US7168880B2 (en) | 2004-11-17 | 2007-01-30 | Battelle Memorial Institute | Impact attenuator system |
| FR2883348B1 (fr) * | 2005-03-21 | 2007-04-27 | Faurecia Interieur Ind Snc | Piece injectee, ensemble d'absorption d'energie a entretoise et procede de fabrication d'un tel ensemble |
| US20060257332A1 (en) * | 2005-05-13 | 2006-11-16 | Pierro Francesco D | Anticaries compositions containing phaseolamin |
| US7866540B2 (en) * | 2005-05-24 | 2011-01-11 | Cox Leonard R | Shock and vibration absorbing device and method |
| US7625036B2 (en) | 2006-04-04 | 2009-12-01 | Oakwood Energy Management, Inc. | Multi-sectional modular energy absorber and method for configuring same |
| JP4227153B2 (ja) * | 2006-06-20 | 2009-02-18 | 小島プレス工業株式会社 | 車両用衝撃吸収構造体 |
| JP5076790B2 (ja) * | 2006-12-20 | 2012-11-21 | パナソニック株式会社 | 衝撃保護装置 |
| CN101622469B (zh) * | 2007-02-28 | 2013-04-24 | 京洛株式会社 | 车辆用冲击吸收体 |
| US8262051B2 (en) * | 2007-08-23 | 2012-09-11 | Raytheon Company | Z-leg shock isolator |
| EP2271690B1 (en) * | 2008-03-17 | 2019-04-17 | Battelle Memorial Institute | Rebound control material |
| US7874611B2 (en) * | 2008-04-03 | 2011-01-25 | GM Global Technology Operations LLC | Scalable two-piece reinforcement and method for producing same |
| US20100207443A1 (en) * | 2009-02-19 | 2010-08-19 | Faurecia Automotive Seating, Inc. | Vehicle seat cushion with inflatable air bladder |
| US9644699B2 (en) * | 2009-03-30 | 2017-05-09 | Oakwood Energy Management, Inc. | Energy absorber with anti-BSR accessory |
| WO2010117283A1 (en) * | 2009-04-07 | 2010-10-14 | Axip Limited | Energy absorption device |
| AU2014277803A1 (en) * | 2009-04-07 | 2015-02-05 | Valmont Highway Technology Limited | Energy Absorption Device |
| FR2949250B1 (fr) * | 2009-08-24 | 2012-01-06 | Aliaxis R & D Sas | Pont amortissant |
| WO2011068684A1 (en) | 2009-12-02 | 2011-06-09 | Faurecia Automotive Seating, Inc. | Vehicle seat cushion with inflatable support |
| WO2011149049A1 (ja) | 2010-05-28 | 2011-12-01 | キョーラク株式会社 | 衝撃吸収体及び衝撃吸収体の製造方法 |
| JP5700210B2 (ja) * | 2011-03-15 | 2015-04-15 | キョーラク株式会社 | 車両用衝撃エネルギー吸収体およびその成形方法 |
| CN103562015B (zh) * | 2011-04-05 | 2016-08-24 | 京洛株式会社 | 冲击吸收体 |
| WO2013150895A1 (ja) * | 2012-04-05 | 2013-10-10 | キョーラク株式会社 | 衝撃吸収体 |
| JP5851606B2 (ja) | 2012-06-14 | 2016-02-03 | 株式会社ニフコ | 荷重伝達部材及び自動車用ドアへの荷重伝達部材取付構造 |
| JP5966666B2 (ja) * | 2012-06-26 | 2016-08-10 | キョーラク株式会社 | 衝撃エネルギー吸収体 |
| US9403498B2 (en) | 2013-03-20 | 2016-08-02 | Shiloh Industries, Inc. | Energy absorbing assembly for vehicle |
| US9522646B2 (en) * | 2013-03-28 | 2016-12-20 | Kyoraku Co., Ltd. | Knee bolster |
| DE102013105155B4 (de) * | 2013-05-21 | 2024-04-18 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Deformationselement |
| WO2015045807A1 (ja) * | 2013-09-26 | 2015-04-02 | キョーラク株式会社 | 衝撃吸収体 |
| US9415708B2 (en) | 2014-02-18 | 2016-08-16 | Oakwood Energy Management, Inc. | Conformable energy absorber |
| JP6156291B2 (ja) * | 2014-09-01 | 2017-07-05 | トヨタ自動車株式会社 | 車両用ドア構造 |
| JP6477060B2 (ja) * | 2015-03-11 | 2019-03-06 | キョーラク株式会社 | ニーボルスター |
| CN108291600B (zh) * | 2015-11-27 | 2020-03-20 | 京洛株式会社 | 冲击吸收体 |
| US9994137B2 (en) * | 2016-02-16 | 2018-06-12 | Ford Global Technologies, Llc | Deformable armrest having a patterned array of channels |
| US10788091B2 (en) | 2017-08-22 | 2020-09-29 | Oakwood Energy Management, Inc. | Mass-optimized force attenuation system and method |
| US10286821B1 (en) | 2017-10-24 | 2019-05-14 | Ford Global Technologies, Llc | Armrest core, armrest incorporating that armrest core and method of manufacturing that armrest assembly |
| US11585102B2 (en) | 2018-11-07 | 2023-02-21 | Viconic Sporting Llc | Load distribution and absorption underpayment system |
| US10982451B2 (en) | 2018-11-07 | 2021-04-20 | Viconic Sporting Llc | Progressive stage load distribution and absorption underlayment system |
| US11318869B2 (en) * | 2018-12-06 | 2022-05-03 | Gentherm Incorporated | Single piece plenum |
| CN112752677A (zh) | 2018-12-06 | 2021-05-04 | 捷温汽车有限公司 | 具有刚性化特征的柔性充气室 |
| US12460427B2 (en) | 2022-06-30 | 2025-11-04 | Viconic Sporting Llc | Dual-purpose progressive stage load-distributing and absorbing system |
| US20250065701A1 (en) * | 2023-08-23 | 2025-02-27 | Ford Global Technologies, Llc | Vehicle side door bolster |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0735182A (ja) * | 1993-07-23 | 1995-02-03 | Inoac Corp | 自動車用緩衝内装材およびその製法 |
| JPH09109812A (ja) * | 1995-10-23 | 1997-04-28 | Inoac Corp | 車両側部内装部材 |
| JP2000170814A (ja) * | 1998-09-30 | 2000-06-23 | Mazda Motor Corp | 衝撃吸収構造 |
| JP2001151057A (ja) * | 1999-11-25 | 2001-06-05 | Kanegafuchi Chem Ind Co Ltd | 耐衝撃性に優れた車両用内装材 |
| EP1172260A2 (en) | 2000-07-14 | 2002-01-16 | Kyoraku Co., Ltd. | Automobile bumper |
| JP2002120681A (ja) * | 2000-08-07 | 2002-04-23 | Kanegafuchi Chem Ind Co Ltd | 車両用内装部材 |
| JP2002187508A (ja) | 2000-12-19 | 2002-07-02 | Kyoraku Co Ltd | 自動車の衝撃吸収部材 |
| JP2002201322A (ja) | 2000-12-28 | 2002-07-19 | Idemitsu Petrochem Co Ltd | ポリプロピレン樹脂組成物 |
| JP3313999B2 (ja) | 1997-03-13 | 2002-08-12 | キョーラク株式会社 | 車両用衝撃吸収体 |
Family Cites Families (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2434641A (en) * | 1946-02-20 | 1948-01-20 | Henry L Burns | Resilient seat cushion |
| IT963692B (it) * | 1972-08-03 | 1974-01-21 | Montedison Spa | Poliesteri antiurto |
| US3933387A (en) * | 1975-03-10 | 1976-01-20 | General Motors Corporation | Thermoformed plastic energy absorber for vehicles |
| US4375108A (en) * | 1981-01-28 | 1983-03-01 | The Regents Of The University Of Michigan | Energy-absorbing insert for protective headgear |
| JPH0649480Y2 (ja) * | 1985-01-12 | 1994-12-14 | 池田物産株式会社 | 合成樹脂製の中空板体 |
| JPS6271425U (ja) * | 1985-10-24 | 1987-05-07 | ||
| US4901486A (en) * | 1987-03-06 | 1990-02-20 | Kajima Corporation | Elasto-plastic damper |
| US4894352A (en) * | 1988-10-26 | 1990-01-16 | Texas Instruments Inc. | Deposition of silicon-containing films using organosilicon compounds and nitrogen trifluoride |
| EP0376593B1 (en) * | 1988-12-24 | 1993-07-28 | Minoru Sangyo Kabushiki Kaisha | Plastic bumper |
| US4895352A (en) * | 1989-01-09 | 1990-01-23 | Simmons Company | Mattress or cushion spring array |
| US4925224A (en) * | 1989-03-06 | 1990-05-15 | Romeo-Rim, Inc. | Energy absorbing vehicle bumper |
| JPH031925A (ja) * | 1989-05-30 | 1991-01-08 | Kyoraku Co Ltd | リブ付き中空パネルおよびその製造方法 |
| JP2777832B2 (ja) * | 1989-12-28 | 1998-07-23 | 東海興業株式会社 | 車輌用モールデイングおよびその製造方法 |
| JPH04293959A (ja) * | 1991-03-25 | 1992-10-19 | Nippon Petrochem Co Ltd | 熱可塑性樹脂組成物 |
| US5367016A (en) * | 1991-11-28 | 1994-11-22 | Kanegafuchi Chemical Industry Co., Ltd. | Reinforced resin composition |
| US5251414A (en) * | 1992-03-16 | 1993-10-12 | Duke Darryl A | Energy absorbing composite and reinforcing core |
| JP3052766B2 (ja) * | 1994-02-22 | 2000-06-19 | トヨタ自動車株式会社 | 自動車の内装材による衝撃エネルギ吸収構造 |
| US5934730A (en) * | 1994-07-01 | 1999-08-10 | Nissan Motor Co., Ltd | Energy absorbing door panel |
| US5636866A (en) * | 1994-09-21 | 1997-06-10 | Kojima Press Industry Co., Ltd. | Shock absorbing structure for motor vehicle |
| WO1996016564A1 (en) * | 1994-12-02 | 1996-06-06 | Nike International Ltd. | Cushioning device for a footwear sole and method for making the same |
| JP3186563B2 (ja) * | 1996-01-31 | 2001-07-11 | トヨタ自動車株式会社 | 衝撃エネルギー吸収部材 |
| KR100469534B1 (ko) * | 1996-12-13 | 2005-03-16 | 도요 보세키 가부시키가이샤 | 수지제충격흡수체 |
| WO1998036943A1 (en) * | 1997-02-21 | 1998-08-27 | Lear Corporation | Structural headliner |
| JPH1182587A (ja) * | 1997-09-04 | 1999-03-26 | Nippon Plast Co Ltd | 衝撃緩衝部材 |
| US6551450B1 (en) * | 1997-10-10 | 2003-04-22 | D2Rm Corp. | Unique air and sonic massaging apparatus |
| US6029962A (en) * | 1997-10-24 | 2000-02-29 | Retama Technology Corporation | Shock absorbing component and construction method |
| US6199942B1 (en) * | 1998-02-04 | 2001-03-13 | Oakwood Energy Management, Inc. | Modular energy absorbing assembly |
| US6182732B1 (en) * | 1998-03-03 | 2001-02-06 | Nordson Corporation | Apparatus for the manufacture of nonwoven webs and laminates including means to move the spinning assembly |
| US6000738A (en) * | 1998-03-13 | 1999-12-14 | Chrysler Corporation | Force-absorbing vehicle bumper |
| US6082792A (en) * | 1998-05-07 | 2000-07-04 | General Electric Company | Vehicle bumper |
| JPH11348699A (ja) * | 1998-06-12 | 1999-12-21 | Toyota Motor Corp | 車両用内装部品の衝撃吸収構造 |
| US6086145A (en) * | 1998-07-16 | 2000-07-11 | Textron Automotive Company Inc. | Blow molded headliner |
| JP4383529B2 (ja) * | 1998-09-30 | 2009-12-16 | キョーラク株式会社 | 車両における衝撃吸收構造 |
| JP2000177518A (ja) * | 1998-12-16 | 2000-06-27 | Kasai Kogyo Co Ltd | 車両用側面衝突対応パッド構造 |
| JP2001030754A (ja) * | 1999-07-15 | 2001-02-06 | Idemitsu Petrochem Co Ltd | 自動車用ドア内側部材 |
| US6234526B1 (en) | 1999-09-27 | 2001-05-22 | Daimlerchrysler Corporation | Head impact protection using fluid viscosity |
| US6385864B1 (en) * | 2000-03-16 | 2002-05-14 | Nike, Inc. | Footwear bladder with controlled flex tensile member |
| FR2815100B1 (fr) * | 2000-10-09 | 2003-04-18 | Sai Automotive Allibert Ind | Dispositif d'absorption d'energie lors d'un choc, et portiere de vehicule automobile comprenant un tel dispositif |
| US6588557B2 (en) | 2001-04-04 | 2003-07-08 | Daimlerchrysler Corporation | Blow molded (HIC) formation with energy buffers |
| JP4360050B2 (ja) | 2001-06-11 | 2009-11-11 | 三菱自動車工業株式会社 | 衝撃吸収装置 |
| WO2004040161A1 (ja) * | 2002-10-31 | 2004-05-13 | Kyoraku Co., Ltd. | 車両用衝撃吸収体 |
| US6698819B1 (en) | 2002-12-10 | 2004-03-02 | Lear Corporation | Pneumatic pressure molded impact countermeasure |
-
2003
- 2003-08-06 WO PCT/JP2003/010011 patent/WO2004040161A1/ja not_active Ceased
- 2003-08-06 WO PCT/JP2003/010013 patent/WO2004040163A1/ja not_active Ceased
- 2003-08-06 AU AU2003254828A patent/AU2003254828A1/en not_active Abandoned
- 2003-08-06 AT AT03809842T patent/ATE475031T1/de not_active IP Right Cessation
- 2003-08-06 CA CA2504485A patent/CA2504485C/en not_active Expired - Lifetime
- 2003-08-06 CA CA2504490A patent/CA2504490C/en not_active Expired - Fee Related
- 2003-08-06 AU AU2003254829A patent/AU2003254829A1/en not_active Abandoned
- 2003-08-06 EP EP03809842A patent/EP1557583B1/en not_active Expired - Lifetime
- 2003-08-06 AT AT03809840T patent/ATE547647T1/de active
- 2003-08-06 AU AU2003257809A patent/AU2003257809A1/en not_active Abandoned
- 2003-08-06 WO PCT/JP2003/010012 patent/WO2004040162A1/ja not_active Ceased
- 2003-08-06 EP EP03809840A patent/EP1557582B1/en not_active Expired - Lifetime
- 2003-10-31 US US10/698,706 patent/US7111713B2/en not_active Expired - Lifetime
- 2003-10-31 US US10/698,314 patent/US7143876B2/en not_active Expired - Lifetime
- 2003-10-31 US US10/698,537 patent/US20040129518A1/en not_active Abandoned
-
2005
- 2005-05-17 US US11/130,616 patent/US7306080B2/en not_active Expired - Lifetime
- 2005-11-28 US US11/287,984 patent/US7178647B2/en not_active Expired - Lifetime
-
2006
- 2006-05-08 US US11/430,287 patent/US7306081B2/en not_active Expired - Lifetime
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0735182A (ja) * | 1993-07-23 | 1995-02-03 | Inoac Corp | 自動車用緩衝内装材およびその製法 |
| JPH09109812A (ja) * | 1995-10-23 | 1997-04-28 | Inoac Corp | 車両側部内装部材 |
| JP3313999B2 (ja) | 1997-03-13 | 2002-08-12 | キョーラク株式会社 | 車両用衝撃吸収体 |
| JP2000170814A (ja) * | 1998-09-30 | 2000-06-23 | Mazda Motor Corp | 衝撃吸収構造 |
| JP2001151057A (ja) * | 1999-11-25 | 2001-06-05 | Kanegafuchi Chem Ind Co Ltd | 耐衝撃性に優れた車両用内装材 |
| EP1172260A2 (en) | 2000-07-14 | 2002-01-16 | Kyoraku Co., Ltd. | Automobile bumper |
| JP2002120681A (ja) * | 2000-08-07 | 2002-04-23 | Kanegafuchi Chem Ind Co Ltd | 車両用内装部材 |
| JP2002187508A (ja) | 2000-12-19 | 2002-07-02 | Kyoraku Co Ltd | 自動車の衝撃吸収部材 |
| JP2002201322A (ja) | 2000-12-28 | 2002-07-19 | Idemitsu Petrochem Co Ltd | ポリプロピレン樹脂組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040195064A1 (en) | 2004-10-07 |
| US20060076202A1 (en) | 2006-04-13 |
| EP1557582B1 (en) | 2012-02-29 |
| WO2004040162A1 (ja) | 2004-05-13 |
| US20050230204A1 (en) | 2005-10-20 |
| US7143876B2 (en) | 2006-12-05 |
| US7178647B2 (en) | 2007-02-20 |
| AU2003257809A1 (en) | 2004-05-25 |
| US20060220290A1 (en) | 2006-10-05 |
| EP1557582A4 (en) | 2006-05-24 |
| EP1557582A1 (en) | 2005-07-27 |
| EP1557583A1 (en) | 2005-07-27 |
| CA2504485C (en) | 2011-03-22 |
| US7306080B2 (en) | 2007-12-11 |
| AU2003254828A1 (en) | 2004-05-25 |
| CA2504485A1 (en) | 2004-05-13 |
| CA2504490C (en) | 2011-05-03 |
| AU2003254829A1 (en) | 2004-05-25 |
| ATE475031T1 (de) | 2010-08-15 |
| ATE547647T1 (de) | 2012-03-15 |
| US7111713B2 (en) | 2006-09-26 |
| EP1557583A4 (en) | 2006-07-12 |
| US20040129518A1 (en) | 2004-07-08 |
| US20040124572A1 (en) | 2004-07-01 |
| WO2004040161A1 (ja) | 2004-05-13 |
| US7306081B2 (en) | 2007-12-11 |
| CA2504490A1 (en) | 2004-05-13 |
| EP1557583B1 (en) | 2010-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2004040163A1 (ja) | 車両用衝撃吸収体 | |
| US8876179B2 (en) | Energy absorbing assembly and methods of making and using the same | |
| JP5803086B2 (ja) | 発泡成形体の成形方法及び発泡成形体 | |
| CN100562453C (zh) | 车辆用冲击吸收体 | |
| JP3014724B2 (ja) | 射出成形体 | |
| WO1988000145A1 (fr) | Pare-chocs pour vehicules automobiles | |
| JP2001030754A (ja) | 自動車用ドア内側部材 | |
| WO2005051724A1 (ja) | 車両用衝撃吸収体 | |
| KR20180126541A (ko) | 에너지 흡수체 | |
| JPH09291183A (ja) | ポリオレフィン系樹脂組成物およびこの組成物を含む自動車用ピラー成形体 | |
| CN101209699B (zh) | 减震材料及车辆保险杠 | |
| JP2002187508A (ja) | 自動車の衝撃吸収部材 | |
| JP5428061B2 (ja) | 発泡ブロー成形品 | |
| KR930002068B1 (ko) | 사출 성형체 | |
| JP4181631B2 (ja) | 車両用衝撃吸収体 | |
| WO2023276883A1 (ja) | エアバッグ収納カバー及びその製造方法、熱可塑性エラストマー組成物、成形体、並びに複合成形体 | |
| JP4181630B2 (ja) | 車両用衝撃吸収体 | |
| JPH0827331A (ja) | エアーバッグカバー材用オレフィン系熱可塑性エラストマー組成物 | |
| JP2004314647A (ja) | 車両用衝撃吸収体 | |
| JP4464539B2 (ja) | 自動車の衝撃吸収部材 | |
| JP4662331B2 (ja) | 車両用衝撃吸収体 | |
| JP2005132303A (ja) | 車両用衝撃吸収体 | |
| JP2005308133A (ja) | 衝撃吸収部材およびその利用 | |
| JP2004299632A (ja) | 車両用ドアトリムの構造 | |
| JP2004231142A (ja) | 車両用衝撃吸収体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU CA CN ID IN PH |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PT RO SE SI SK TR |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 2003809842 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2504490 Country of ref document: CA |
|
| WWP | Wipo information: published in national office |
Ref document number: 2003809842 Country of ref document: EP |