JPS6157504B2 - - Google Patents
Info
- Publication number
- JPS6157504B2 JPS6157504B2 JP55115637A JP11563780A JPS6157504B2 JP S6157504 B2 JPS6157504 B2 JP S6157504B2 JP 55115637 A JP55115637 A JP 55115637A JP 11563780 A JP11563780 A JP 11563780A JP S6157504 B2 JPS6157504 B2 JP S6157504B2
- Authority
- JP
- Japan
- Prior art keywords
- bumper
- impact
- impact energy
- foam
- energy absorbing
- 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.)
- Expired
Links
- 239000006260 foam Substances 0.000 claims description 39
- 239000004698 Polyethylene Substances 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 229920000573 polyethylene Polymers 0.000 claims description 19
- 238000009863 impact test Methods 0.000 claims description 15
- 239000004793 Polystyrene Substances 0.000 claims description 14
- 229920002223 polystyrene Polymers 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 11
- 229920003051 synthetic elastomer Polymers 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 239000005061 synthetic rubber Substances 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 5
- 239000002984 plastic foam Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000000465 moulding Methods 0.000 description 11
- 239000011324 bead Substances 0.000 description 9
- 230000035939 shock Effects 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004794 expanded polystyrene Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012973 diazabicyclooctane Substances 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010107 reaction injection moulding Methods 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11563780A JPS5740136A (en) | 1980-08-21 | 1980-08-21 | Shock energy absorbing bumper for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11563780A JPS5740136A (en) | 1980-08-21 | 1980-08-21 | Shock energy absorbing bumper for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5740136A JPS5740136A (en) | 1982-03-05 |
| JPS6157504B2 true JPS6157504B2 (de) | 1986-12-06 |
Family
ID=14667567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11563780A Granted JPS5740136A (en) | 1980-08-21 | 1980-08-21 | Shock energy absorbing bumper for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5740136A (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58221745A (ja) * | 1982-06-19 | 1983-12-23 | Japan Styrene Paper Co Ltd | 自動車のバンパ−用芯材 |
| JPS5940962A (ja) * | 1982-09-01 | 1984-03-06 | Toyo Tire & Rubber Co Ltd | 無人搬送車用バンパ− |
| JPS60189660A (ja) * | 1984-03-08 | 1985-09-27 | Japan Styrene Paper Co Ltd | 自動車バンパ−用芯材 |
| JPS6146744A (ja) * | 1984-08-14 | 1986-03-07 | Kanegafuchi Chem Ind Co Ltd | 自動車バンパー用芯材の製造方法 |
| JPS62256636A (ja) * | 1986-04-30 | 1987-11-09 | Kanegafuchi Chem Ind Co Ltd | 車輌バンパ−用芯材の製造方法及び製造用金型 |
| US6109598A (en) * | 1999-06-29 | 2000-08-29 | Bridgestone/Firestone, Inc. | Air spring bumper utilizing a combination of materials |
| DE10243460A1 (de) * | 2002-09-19 | 2004-04-01 | Rehau Ag + Co. | Polymerer Energieabsorber für Kraftfahrzeuge und Stoßfängersystem |
| JP2011208067A (ja) * | 2010-03-30 | 2011-10-20 | Sekisui Plastics Co Ltd | バンパー用芯材およびそれを用いたバンパー |
| JP5722564B2 (ja) * | 2010-07-27 | 2015-05-20 | 積水化成品工業株式会社 | 自動車用外装材 |
| JP6399702B2 (ja) * | 2014-03-26 | 2018-10-03 | 株式会社ジェイエスピー | 衝撃吸収材 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3866963A (en) * | 1973-08-13 | 1975-02-18 | Mccord Corp | Energy absorbing bumper assembly |
| JPS5112074A (de) * | 1974-07-18 | 1976-01-30 | Toyo Tire & Rubber Co | |
| JPS5146138A (en) * | 1974-08-22 | 1976-04-20 | Crosfield Electronics Ltd | Entomenni reezakoo sosasurusochi |
| JPS5230870A (en) * | 1975-09-03 | 1977-03-08 | Sekisui Plastics | Process for manufacturing expandable polystyrene particles |
| JPS5233156A (en) * | 1975-09-09 | 1977-03-14 | Sanko Kuki Sochi Kk | Work environment cleaning method |
| JPS5311993A (en) * | 1976-07-20 | 1978-02-02 | Daicel Chem Ind Ltd | Preparation of polyester |
| JPS5349731A (en) * | 1976-02-23 | 1978-05-06 | Berol Kemi Ab | Bumper |
| JPS5730642A (en) * | 1980-07-29 | 1982-02-18 | Toyo Kagaku Kk | Car bumper |
| JPS6027059U (ja) * | 1983-08-01 | 1985-02-23 | ユニチカ株式会社 | テイ−バツグ |
| JPH047977U (de) * | 1990-05-10 | 1992-01-24 |
-
1980
- 1980-08-21 JP JP11563780A patent/JPS5740136A/ja active Granted
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3866963A (en) * | 1973-08-13 | 1975-02-18 | Mccord Corp | Energy absorbing bumper assembly |
| JPS5112074A (de) * | 1974-07-18 | 1976-01-30 | Toyo Tire & Rubber Co | |
| JPS5146138A (en) * | 1974-08-22 | 1976-04-20 | Crosfield Electronics Ltd | Entomenni reezakoo sosasurusochi |
| JPS5230870A (en) * | 1975-09-03 | 1977-03-08 | Sekisui Plastics | Process for manufacturing expandable polystyrene particles |
| JPS5233156A (en) * | 1975-09-09 | 1977-03-14 | Sanko Kuki Sochi Kk | Work environment cleaning method |
| JPS5349731A (en) * | 1976-02-23 | 1978-05-06 | Berol Kemi Ab | Bumper |
| JPS5311993A (en) * | 1976-07-20 | 1978-02-02 | Daicel Chem Ind Ltd | Preparation of polyester |
| JPS5730642A (en) * | 1980-07-29 | 1982-02-18 | Toyo Kagaku Kk | Car bumper |
| JPS6027059U (ja) * | 1983-08-01 | 1985-02-23 | ユニチカ株式会社 | テイ−バツグ |
| JPH047977U (de) * | 1990-05-10 | 1992-01-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5740136A (en) | 1982-03-05 |
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