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WO2004074709A1 - Structures amortissant les chocs - Google Patents

Structures amortissant les chocs Download PDF

Info

Publication number
WO2004074709A1
WO2004074709A1 PCT/GB2004/000244 GB2004000244W WO2004074709A1 WO 2004074709 A1 WO2004074709 A1 WO 2004074709A1 GB 2004000244 W GB2004000244 W GB 2004000244W WO 2004074709 A1 WO2004074709 A1 WO 2004074709A1
Authority
WO
WIPO (PCT)
Prior art keywords
structure according
chamber
front wall
inflatable
walls
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
Application number
PCT/GB2004/000244
Other languages
English (en)
Inventor
Tommy Scott
Jonathan Patty
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Survitec Group Ltd
Original Assignee
Survitec Group Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Survitec Group Ltd filed Critical Survitec Group Ltd
Publication of WO2004074709A1 publication Critical patent/WO2004074709A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy 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
    • 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

Definitions

  • the invention relates to impact absorbing structures.
  • Impact absorbing structures are used for safety to decelerate a body or bodies in a
  • barriers currently in use include netting, walls of motor tyres and
  • each chamber has an associated front wall forming an impact
  • Figure 1 is a schematic perspective view of an impact absorbing structure
  • Figure 2 is a schematic plan view from above of part of a crash barrier formed by a
  • Figure 3 is a schematic cross section through a part of a drop thread fabric for use
  • Figure 4 is a detail on X of Figure 3.
  • the impact absorbing structure comprises a closed outer
  • chamber indicated generally at 10 formed by a cover having a front wall 11, a rear
  • wall 12 maybe 8 metres in length and the first and second side walls 15,16 1.15 metres
  • the chamber 10 has, in plan view from above, the
  • front wall 11 and the second side wall 16 makes a complimentary obtuse angle with
  • the front wall 11 is the front wall 11.
  • the front wall 11, the rear wall 12 and the first and second side walls 15,16 are the front wall 11, the rear wall 12 and the first and second side walls 15,16 are the front wall 11.
  • the fabric comprises a first textile layer 17 interconnected to a second
  • textile layer 18 by a plurality of threads shown schematically at 26.
  • the threads maybe made
  • layer 18 are provided with an inner coating which may be of any suitable cross-linked
  • polymeric material such as polychloroprene or a non cross-linked thermoplastic
  • suitable cross-linked polymeric material such as polychloroprene or a non cross-
  • the textile layer 19 to form a rectangular closed panel.
  • the panel is provided with an air
  • inlet (not shown) to allow it to be inflated.
  • Appropriately sized panels are used to
  • the upper surface 13 and the lower surface 14 are formed from appropriately sized
  • sheets of flexible air impervious material such as a plastic covered fabric material.
  • the outer chamber is conformed by a plurality of inflatable struts 21.
  • Each strut 21 is formed by an inflatable tube of an air impermeable material. As seen in Figure 1, the
  • struts 21 extend between an inner surface of the front wall 11 and an inner surface of
  • the strut 21 is in communication with the associated wall to form part
  • none of the struts 21 lies in a horizontal plane; the struts 21 are angled to the
  • struts 21 to provide an element of rigidity to prevent the front wall 11 and the rear wall
  • the triangulation struts 22 are also in communication with
  • each first side wall 15 abuts against the second side wall 16 of the
  • next adjacent structure to provide overlap between the structures in a direction normal
  • the front walls 11 are covered by a continuous
  • Each panel is formed from a drop thread fabric of the kind shown in
  • the protective sheet 23 may
  • such a layer may also provide a means
  • the pressure in this inner chamber may, for example, be 5.17kPa (0.75psi).
  • chamber 10 is lower than the pressure in inner chamber and may be as low as 0.17kPa
  • struts 21,22 extends normal to the front wall 11. The same is true of the front wall
  • the third chamber formed by the sheet 23 has as its principle purpose to reduce if not
  • the structure may be differently dimensioned and arranged to take other impacts such as the impact of a car or a person performing a sport such as skiing.
  • the structure could be differently dimensioned and arranged to take other impacts such as the impact of a car or a person performing a sport such as skiing.
  • the structure could be differently dimensioned and arranged to take other impacts such as the impact of a car or a person performing a sport such as skiing.
  • the structure could be differently dimensioned and arranged to take other impacts such as the impact of a car or a person performing a sport such as skiing.
  • the structure could be differently dimensioned and arranged to take other impacts such as the impact of a car or a person performing a sport such as skiing.
  • the structure could be differently dimensioned and arranged to take other impacts such as the impact of a car or a person performing a sport such as skiing.
  • the structure could be differently dimensioned and arranged to take other impacts such as the impact of a car or a person performing a sport such
  • first and second side walls 15, 16 of the cover have been described as being inflatable
  • vents which could provide controlled venting
  • the chamber 10 may be defined by additional inflatable tubes. For example, there are no inflatable tubes.
  • front wall 11 is shown as vertical; it need not be

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

Structure amortissant les chocs et comportant une enceinte principale (10) portée par une deuxième enceinte gonflable formée par des entretoises (21, 22) et des parois (11, 12, 15, 16) de sorte que l'enceinte principale (10) se déforme lorsqu'elle est heurtée par un corps en mouvement, afin qu'elle en assure la décélération contrôlée. La structure peut servir de glissière de sécurité.
PCT/GB2004/000244 2003-02-20 2004-01-22 Structures amortissant les chocs Ceased WO2004074709A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0303911.2 2003-02-20
GB0303911A GB2398594A (en) 2003-02-20 2003-02-20 Impact absorbing structure

Publications (1)

Publication Number Publication Date
WO2004074709A1 true WO2004074709A1 (fr) 2004-09-02

Family

ID=9953370

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2004/000244 Ceased WO2004074709A1 (fr) 2003-02-20 2004-01-22 Structures amortissant les chocs

Country Status (2)

Country Link
GB (1) GB2398594A (fr)
WO (1) WO2004074709A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014108593A1 (fr) * 2013-01-11 2014-07-17 Gor-Air Protectores Hinchables, S.L. Dispositif de protection d'obstacles
CN111916605B (zh) * 2020-08-11 2021-03-02 江苏久祥汽车电器集团有限公司 一种新能源汽车电池用片型缓冲装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596106A (en) * 1984-10-17 1986-06-24 Kunczynski Jan K Ski lift towe safety apron
US5020175A (en) * 1990-02-27 1991-06-04 Kirkpatrick Paul A Multicompartment cushion comprising recyclable plastic bottles
AU619439B3 (en) * 1991-08-29 1992-01-23 Denis J. Horley Impact barrier
US5118555A (en) * 1989-05-11 1992-06-02 Zvi Horovitz Composite article
WO1996006288A1 (fr) * 1994-08-24 1996-02-29 Won In Lee Pare-chocs a coussin d'air pour absorber les chocs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07317028A (ja) * 1994-05-26 1995-12-05 Pro Shiyotsupu Takai:Kk 車両用緩衝装置
JP3827387B2 (ja) * 1997-01-31 2006-09-27 東レ株式会社 バリケード

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596106A (en) * 1984-10-17 1986-06-24 Kunczynski Jan K Ski lift towe safety apron
US5118555A (en) * 1989-05-11 1992-06-02 Zvi Horovitz Composite article
US5020175A (en) * 1990-02-27 1991-06-04 Kirkpatrick Paul A Multicompartment cushion comprising recyclable plastic bottles
AU619439B3 (en) * 1991-08-29 1992-01-23 Denis J. Horley Impact barrier
WO1996006288A1 (fr) * 1994-08-24 1996-02-29 Won In Lee Pare-chocs a coussin d'air pour absorber les chocs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014108593A1 (fr) * 2013-01-11 2014-07-17 Gor-Air Protectores Hinchables, S.L. Dispositif de protection d'obstacles
CN111916605B (zh) * 2020-08-11 2021-03-02 江苏久祥汽车电器集团有限公司 一种新能源汽车电池用片型缓冲装置

Also Published As

Publication number Publication date
GB2398594A (en) 2004-08-25
GB0303911D0 (en) 2003-03-26

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