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JP2000240707A5 - - Google Patents

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Publication number
JP2000240707A5
JP2000240707A5 JP1999045012A JP4501299A JP2000240707A5 JP 2000240707 A5 JP2000240707 A5 JP 2000240707A5 JP 1999045012 A JP1999045012 A JP 1999045012A JP 4501299 A JP4501299 A JP 4501299A JP 2000240707 A5 JP2000240707 A5 JP 2000240707A5
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JP
Japan
Prior art keywords
hollow material
shock absorbing
thickness
metal shock
axial direction
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.)
Pending
Application number
JP1999045012A
Other languages
Japanese (ja)
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JP2000240707A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP11045012A priority Critical patent/JP2000240707A/en
Priority claimed from JP11045012A external-priority patent/JP2000240707A/en
Publication of JP2000240707A publication Critical patent/JP2000240707A/en
Publication of JP2000240707A5 publication Critical patent/JP2000240707A5/ja
Pending legal-status Critical Current

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Claims (9)

軸方向の一部分ないし複数部分に、肉厚が相対的に薄い薄肉部が全周に亘って形成されていることを特徴とする金属製衝撃吸収用中空材。  A metal shock-absorbing hollow material, characterized in that a thin portion having a relatively small thickness is formed over a whole circumference in one or a plurality of portions in the axial direction. 軸方向の一端から他端に向かって、肉厚が連続的に減少している請求項１に記載の金属製衝撃吸収用中空材。Toward the one axial end to the other, metallic shock absorption hollow material according to claim 1, the thickness decreases continuously. 軸方向の一端から他端に向かって、肉厚が連続的に減少していることを特徴とする金属製衝撃吸収用中空材。A metal shock absorbing hollow material characterized in that the thickness continuously decreases from one end in the axial direction to the other end. 衝撃吸収用中空材の最小肉厚ｔMinimum wall thickness t of the shock absorbing hollow material minmin は、最大肉厚ｔIs the maximum wall thickness t maxmax に対して、Against
０．０５ｔ0.05t maxmax ＜ｔ<T minmin ＜０．９５ｔ<0.95t maxmax
の範囲に設定されている請求項１〜３のいずれか１項に記載の金属製衝撃吸収用中空材。The metal shock-absorbing hollow material according to any one of claims 1 to 3, which is set in a range of 1 to 5. アルミニウム又はその合金製である請求項１〜４のいずれか１項に記載の金属製衝撃吸収用中空材。The metal shock absorbing hollow material according to any one of claims 1 to 4, which is made of aluminum or an alloy thereof. 請求項１〜５のいずれか１項に記載の金属製衝撃吸収用中空材を用いた自動車のフレーム材。The frame material of the motor vehicle using the hollow material for metal shock absorption of any one of Claims 1-5. 請求項１〜５のいずれか１項に記載の金属製衝撃吸収用中空材を用いた自動車のパンパー。An automobile bumper using the metallic shock absorbing hollow material according to any one of claims 1 to 5. アルミニウム又はその合金製の中空材に、スピニング加工、スエージング加工、プレス加工、切削加工、鍛造及び可変断面押出からなる群より選択される１種又は２種以上を組み合わせた加工を施すことにより、中空材の軸方向の一部分ないし複数部分に、肉厚が相対的に薄い薄肉部を全周に亘って形成することを特徴とする金属製衝撃吸収用中空材の製造方法。By applying a combination of one or more selected from the group consisting of spinning, swaging, pressing, cutting, forging, and variable cross-section extrusion to a hollow material made of aluminum or an alloy thereof, A method for producing a metal shock absorbing hollow material, characterized in that a thin portion having a relatively small thickness is formed over a whole circumference in one or a plurality of portions in the axial direction of the hollow material. アルミニウム又はその合金製の中空材に、スピニング加工、スエージング加工、プレス加工、切削加工、鍛造及び可変断面押出からなる群より選択される１種又は２種以上を組み合わせた加工を施すことにより、中空材の軸方向の一端から他端に向かって、肉厚を連続的に減少させることを特徴とする金属製衝撃吸収用中空材の製造方法。By applying a combination of one or more selected from the group consisting of spinning, swaging, pressing, cutting, forging and variable cross-section extrusion to a hollow material made of aluminum or an alloy thereof, A method for producing a metal shock absorbing hollow material, wherein the thickness of the hollow material is continuously reduced from one end to the other end in the axial direction.
JP11045012A 1999-02-23 1999-02-23 Metallic shock-absorbing hollow member Pending JP2000240707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11045012A JP2000240707A (en) 1999-02-23 1999-02-23 Metallic shock-absorbing hollow member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11045012A JP2000240707A (en) 1999-02-23 1999-02-23 Metallic shock-absorbing hollow member

Publications (2)

Publication Number Publication Date
JP2000240707A JP2000240707A (en) 2000-09-05
JP2000240707A5 true JP2000240707A5 (en) 2005-09-22

Family

ID=12707460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11045012A Pending JP2000240707A (en) 1999-02-23 1999-02-23 Metallic shock-absorbing hollow member

Country Status (1)

Country Link
JP (1) JP2000240707A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4818655B2 (en) * 2005-07-28 2011-11-16 アイシン精機株式会社 Shock absorbing member
EP1923273B1 (en) * 2005-09-09 2010-12-01 Toyoda Iron Works Co., Ltd. Impact absorption member for vehicle
ES2354198T3 (en) 2006-07-21 2011-03-10 Autotech Engineering, A.I.E. METHOD FOR PRODUCING A SHOCK ABSORBER AND SHOCK ABSORBER OBTAINED.
JP5204388B2 (en) * 2006-08-31 2013-06-05 株式会社神戸製鋼所 Energy absorbing member made of extruded aluminum alloy
JP4918464B2 (en) * 2007-11-15 2012-04-18 Ｊｆｅテクノリサーチ株式会社 Impact energy absorber
JP2010047209A (en) * 2008-08-25 2010-03-04 Sanko Gosei Ltd Vehicular shock-absorbing member, and vehicular occupant crash protector
JP5587696B2 (en) * 2010-07-28 2014-09-10 アイシン精機株式会社 Vehicle shock absorber and vehicle bumper device
JP5966666B2 (en) * 2012-06-26 2016-08-10 キョーラク株式会社 Impact energy absorber
JP6174976B2 (en) * 2013-11-15 2017-08-02 四国電力株式会社 Protective structure
KR102492993B1 (en) * 2020-11-18 2023-01-30 주식회사 포스코 Side member for vehicle

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