EP2159328A1 - Stoßdämpfer für Straßenleitplanken und Herstellungsverfahren für den Stoßdämpfer - Google Patents

Stoßdämpfer für Straßenleitplanken und Herstellungsverfahren für den Stoßdämpfer Download PDF

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Publication number
EP2159328A1
EP2159328A1 EP20080425571 EP08425571A EP2159328A1 EP 2159328 A1 EP2159328 A1 EP 2159328A1 EP 20080425571 EP20080425571 EP 20080425571 EP 08425571 A EP08425571 A EP 08425571A EP 2159328 A1 EP2159328 A1 EP 2159328A1
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EP
European Patent Office
Prior art keywords
guardrail
dampener
process according
horizontal part
elongated arms
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.)
Withdrawn
Application number
EP20080425571
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English (en)
French (fr)
Inventor
Paolo Multedo
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.)
Sada2 Srl
Original Assignee
Sada2 Srl
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 Sada2 Srl filed Critical Sada2 Srl
Priority to EP20080425571 priority Critical patent/EP2159328A1/de
Publication of EP2159328A1 publication Critical patent/EP2159328A1/de
Withdrawn legal-status Critical Current

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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
    • E01F15/141—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 for column or post protection
    • 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
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0461—Supports, e.g. posts

Definitions

  • the present invention refers to a shock dampener for road guardrails and to a process for manufacturing such dampener.
  • Road guardrails are commonly known: they are applied to edges of roads, highways and other communication ways as protection in case of side skidding of vehicles, both for preventing such vehicles from going out of the road carriageway, and for protecting from skidding vehicles what is possibly outside the carriageway itself.
  • the protective function of the guardrails is therefore evident and precious for human beings and objects.
  • the guardrails as currently made are commonly composed of one or more elongated protecting elements (usually made of plate) placed in parallel with the vehicles running direction, and each supported by a plurality of short supporting elements (usually made of the same material of the elongate elements, namely of plate, but sometimes also made of cement or other similar materials), placed in contact with the road on one side and with the respective elongated elements on the other side.
  • elongated protecting elements usually made of plate
  • short supporting elements usually made of the same material of the elongate elements, namely of plate, but sometimes also made of cement or other similar materials
  • guardrails so far has been made in several ways, using rubber guards, without anyway specifying in detail which type of material were the best for such application. Examples of these known protecting types are as follows:
  • the Applicant of the present Application is currently marketing parking-preventing elements made of recycled rubber. Starting from such elements and from the material of which they are made, the Applicant is thereby arrived at the solution in the present Application.
  • object of the present invention is solving the above prior art problems, by providing a shock dampener for guardrails that is made of a sturdy, but elastic and soft, material, and that therefore allows providing protection against vehicle impacts and at the same time protection against impacts of human beings against it.
  • a further object of the present invention is providing a shock dampener as mentioned above that is simple, inexpensive and quick to make, in various shapes and colours according to applications, and at the same time can be quickly and easily installed on guardrails.
  • a further object of the present invention is providing a shock dampener as mentioned above that, due to its configuration, can be installed indifferently on vertical guardrail-supporting risers or on the low horizontal parts of the guardrails themselves.
  • Another object of the present invention is providing a process for manufacturing a shock dampener as mentioned above, which is efficient, quick and inexpensive to implement.
  • the shock dampener 1 for road guardrails 2 has been devised starting from the assumption that its application to all types of guardrails 2 must not modify the characteristics for which the barrier 2 itself is homologated. Therefore, the dampener 1 is first of all made, as will be better described below, of recycled rubber and has a semi-cylindrical shape; such dampener 1 comprises:
  • the inventive dampener 1 brings about, first of all, a high material saving, since it is only a semi-cylinder and not a complete cylinder, like prior art protections.
  • the most efficient material to be used in this case is recycled rubber: rubber granules have always had such impact elasticity that nowadays makes them preferable to any other material; similarly, great performances are due to long working life, without becoming yellowish: in fact, atmospheric conditions, even the most difficult ones, do not modify its structure.
  • the rounded shape of the dampener 1 allows a more complete wrapping around the part of the riser 6 oriented towards the road, while the recess 7 on the back allows an application both for the vertical riser 6, and for the horizontal part (wheel-bumper) of the guardrail 2.
  • the inventive shock dampener 1 has also the very important feature of being capable to be easily, quickly and immediately installed: in fact, due to its particular configuration, it is adapted to be joined to the vertical riser 6 of the guardrail 2 or to the horizontal part (wheel-bumper) of the guardrail 2 through a manual pressure for installing it in place and through gluing for securing it: therefore, it can be understood that the dampener can be both installed in a factory upon manufacturing the guardrail 2, and can be quickly assembled on existing guardrails 2 by even unskilled personnel.
  • the inventive dampener 1 is made through a manufacturing process that provides for a single moulding operation, and has substantially the following steps:
  • Moulding can also be performed hot with an amalgam temperature included between 120°C and 170°C.
  • a fundamental choice for the material to be used for the invention has been the self-flammability degree of the rubber granule SBR, that is around 270°C, as well as its water-insolubility at ambient temperature.
  • polyurethane resin it can be of any nature suitable for the purposes of the invention, taking into account that it is preferably an isocyanate.
  • an arrangement of the shock dampener 1 according to the above-described process has a weight ranging between 6 kg and 11 kg, a height included between 48 and 52 cm, a circumference between 25 and 33 cm, a seat for connecting the U-shaped riser between 5 and 12 cm, with a mean thickness of 7 cm.
  • the amount of rubber granules ranges from a minimum weight of 6 kg to a maximum weight of 9 kg.
  • Table 1 shows the results of tests performed in a laboratory on different resin compositions, with different die opening hours after casting: the result of the test ranges from "very bad” to "good” according to the compliance with the required sturdiness and elasticity/softness requirements for the final application.
  • the final approximate weight of the products that provided the best results is about 8.20 kg.
  • the manufactured product elasticity due to rubber granules, has remained unchanged even in the days following its manufacture, following tests performed under different atmospheric conditions, and specifically both at +2°C, and at +35°C.
  • the inventive shock dampener 1 therefore, in addition to having the above-mentioned properties, has the big advantage of not getting rusted, not getting discoloured, and keeping its shape unchanged in time; moreover, it can be easily applied and above all is lightweight for the end purpose for which it is aimed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
EP20080425571 2008-08-26 2008-08-26 Stoßdämpfer für Straßenleitplanken und Herstellungsverfahren für den Stoßdämpfer Withdrawn EP2159328A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20080425571 EP2159328A1 (de) 2008-08-26 2008-08-26 Stoßdämpfer für Straßenleitplanken und Herstellungsverfahren für den Stoßdämpfer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080425571 EP2159328A1 (de) 2008-08-26 2008-08-26 Stoßdämpfer für Straßenleitplanken und Herstellungsverfahren für den Stoßdämpfer

Publications (1)

Publication Number Publication Date
EP2159328A1 true EP2159328A1 (de) 2010-03-03

Family

ID=39929802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080425571 Withdrawn EP2159328A1 (de) 2008-08-26 2008-08-26 Stoßdämpfer für Straßenleitplanken und Herstellungsverfahren für den Stoßdämpfer

Country Status (1)

Country Link
EP (1) EP2159328A1 (de)

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183505A (en) * 1978-09-20 1980-01-15 Maestri Frederick A Guard barrier system
DE3330123A1 (de) 1983-08-20 1983-12-22 Rolf-Peter 4280 Borken Leers Entschaerfung der leitplankenbodenverankerungen (senkrechte doppel-t-eisen)
FR2622914A1 (fr) 1987-11-09 1989-05-12 Bergounhoux Marcel Embase de protection pour poteaux d'eclairage et de signalisation
CA2015765A1 (en) * 1990-04-30 1991-10-31 Gerhard Mintz Noise abatement element
US5429449A (en) * 1994-05-18 1995-07-04 Baatz; Guenter A. Rubber adaptor for highway guardrail
WO1999000550A1 (en) * 1997-06-27 1999-01-07 Darren John Hotchkin Shock absorbing member
WO1999063162A1 (en) * 1998-06-03 1999-12-09 Genshaw Limited Construction materials
WO2000028147A1 (en) * 1998-11-06 2000-05-18 Ilva Pali Dalmine S.R.L. Improvements to a semirigid, position-correctable, collision-energy-dissipating guardrail
US6257557B1 (en) 1999-05-13 2001-07-10 Dennis Ronald Anderson Split cover shoe for enclosing the base of a post
WO2002010517A1 (es) 2000-08-02 2002-02-07 Fernando Llera Castel Barrera anti-salida y colision
DE20116169U1 (de) * 2001-10-02 2003-02-13 P.V.P. Polymer Verarbeitung und Produktions GmbH & Co. KG, 07819 Triptis Energie-Dämpfungselement
EP1295993A1 (de) * 2001-09-24 2003-03-26 Mobil Castilla 2000 SL Abdeckung für Pfosten und Schutzplanken
ES2186546A2 (es) * 2001-06-20 2003-05-01 Innovacion En Diseno Integral Amortiguador-protector para postes de vallas protectoras de carretera y procedimiento de obtencion del mismo.
EP1382747A2 (de) 2002-07-16 2004-01-21 Alcoa Extrusion Navarra, S.L. Aufpralldämpfer für Leitplankenpfosten
AU2005203440A1 (en) * 1997-06-27 2005-08-25 Saferoads Pty Ltd Shock absorbing member
WO2005103389A1 (en) * 2004-04-20 2005-11-03 Rack Armour Limited Pallet rack impact protector
EP1762659A1 (de) 2005-09-09 2007-03-14 S.P.A. Eurosuole Bodenplatten und Befestigungsbolzenabdeckung für Leitplankenpfostens
WO2007036593A1 (es) 2005-03-02 2007-04-05 Carlos Rayon Sistema elástico para protección de moto ciclistas en los sistemas de contención de carreteras.

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183505A (en) * 1978-09-20 1980-01-15 Maestri Frederick A Guard barrier system
DE3330123A1 (de) 1983-08-20 1983-12-22 Rolf-Peter 4280 Borken Leers Entschaerfung der leitplankenbodenverankerungen (senkrechte doppel-t-eisen)
FR2622914A1 (fr) 1987-11-09 1989-05-12 Bergounhoux Marcel Embase de protection pour poteaux d'eclairage et de signalisation
CA2015765A1 (en) * 1990-04-30 1991-10-31 Gerhard Mintz Noise abatement element
US5429449A (en) * 1994-05-18 1995-07-04 Baatz; Guenter A. Rubber adaptor for highway guardrail
AU2005203440A1 (en) * 1997-06-27 2005-08-25 Saferoads Pty Ltd Shock absorbing member
WO1999000550A1 (en) * 1997-06-27 1999-01-07 Darren John Hotchkin Shock absorbing member
WO1999063162A1 (en) * 1998-06-03 1999-12-09 Genshaw Limited Construction materials
WO2000028147A1 (en) * 1998-11-06 2000-05-18 Ilva Pali Dalmine S.R.L. Improvements to a semirigid, position-correctable, collision-energy-dissipating guardrail
US6257557B1 (en) 1999-05-13 2001-07-10 Dennis Ronald Anderson Split cover shoe for enclosing the base of a post
WO2002010517A1 (es) 2000-08-02 2002-02-07 Fernando Llera Castel Barrera anti-salida y colision
ES2186546A2 (es) * 2001-06-20 2003-05-01 Innovacion En Diseno Integral Amortiguador-protector para postes de vallas protectoras de carretera y procedimiento de obtencion del mismo.
EP1295993A1 (de) * 2001-09-24 2003-03-26 Mobil Castilla 2000 SL Abdeckung für Pfosten und Schutzplanken
DE20116169U1 (de) * 2001-10-02 2003-02-13 P.V.P. Polymer Verarbeitung und Produktions GmbH & Co. KG, 07819 Triptis Energie-Dämpfungselement
EP1382747A2 (de) 2002-07-16 2004-01-21 Alcoa Extrusion Navarra, S.L. Aufpralldämpfer für Leitplankenpfosten
WO2005103389A1 (en) * 2004-04-20 2005-11-03 Rack Armour Limited Pallet rack impact protector
WO2007036593A1 (es) 2005-03-02 2007-04-05 Carlos Rayon Sistema elástico para protección de moto ciclistas en los sistemas de contención de carreteras.
EP1762659A1 (de) 2005-09-09 2007-03-14 S.P.A. Eurosuole Bodenplatten und Befestigungsbolzenabdeckung für Leitplankenpfostens

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