EP1706542B1 - Traffic crash absorber - Google Patents
Traffic crash absorber Download PDFInfo
- Publication number
- EP1706542B1 EP1706542B1 EP04808862A EP04808862A EP1706542B1 EP 1706542 B1 EP1706542 B1 EP 1706542B1 EP 04808862 A EP04808862 A EP 04808862A EP 04808862 A EP04808862 A EP 04808862A EP 1706542 B1 EP1706542 B1 EP 1706542B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- traffic
- traffic crash
- crash absorber
- tire
- absorber according
- 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.)
- Active
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 56
- 239000011800 void material Substances 0.000 claims abstract 2
- 238000000926 separation method Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- E01F15/02—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
- E01F15/0453—Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes
-
- 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
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
Definitions
- the invention relates to a traffic crash absorber according to the preamble of claim 1.
- traffic crash absorber relates to an impact-absorbing element which is used as a combined separating element and an impact absorber for collisions, for the location at roadways which are used by motorized vehicles, particularly cars. In addition, it can have a marker function.
- conical elements of rubber or plastic are often lined up on the roadway near to this. These conical elements, which mainly serve as warning elements, are relatively light and are of a low height. In this way, the conical elements provide no protection to persons on the inside of the elements, in relation to the roadway, e.g. road construction workers.
- mobile traffic crash absorbers are proposed in SE patent publication 502 091 , which are manufactured from vehicle tires which are stacked together and at least partly joined, and which are manufactured with the disk-shaped annular sidewall parts from vehicle tires.
- the mentioned tire parts consist, according to an embodiment, of the profile section (the central part) and one of the two sidewall parts (side part) of a vehicle tire.
- the annular cavity which is bounded by a tire - i.e. of its central part and the sidewall part - is partly or completely filled by separated, disk-shaped sidewall parts which are separated from the vehicle tires and which have an outer diameter which fits the profile part of a cover part.
- the traffic crash absorber according to SE patent publication 502 091 , in which the tire parts with the arranged sidewall sections are mutually connected by means of multiple threads which each - with basis from the tire part at the bottom - is arranged sling-shaped through areas of the tire parts, and which is taken out at the upper tire part.
- the two ends of the thread forms a fastening device for belts or similar, which provides the holding of the entire device together.
- a disadvantage of the prior art traffic crash absorber is firstly, that the manufacturing takes a long time and is relatively difficult, as the said thread must be arranged in a relatively complex sling movement through the actual parts of the tire parts.
- a further disadvantage of this traffic crash absorber is that it has no fastening that can prevent the traffic crash absorber from rolling, e.g. when hit.
- the traffic crash absorber according to SE patent publication 502 091 is neither providing protection for persons located behind the traffic crash absorber, nor is it able to carry a traffic sign, a reference sign, or similar.
- the main object of the present invention is to provide a traffic crash absorber having better functional properties than the generally used traffic crash absorbers.
- the novel traffic crash absorber should also be easily connectable in groups of several traffic crash absorbers, so that more extensive absorbing structures for use at roadways can be created. It is desirable that a linkup like this, of several traffic crash absorbers, has a high absorption ability for collision, so that they can be used in an effective manner in current traffic and provide protection, both for the vehicles and persons, and objects located in the area to be protected by the traffic crash absorbers.
- a further object is to provide such a traffic crash absorber which does not roll when hit.
- the invention provides a traffic crash absorber having particularly favourable utilisation properties.
- the combination of a low centre of gravity, high mass, and solid fastening by linking up, has provided a traffic crash absorber which has substantially improved properties compared to prior art absorbers.
- connection elements as described in claim 3, provides particularly good properties at collisions.
- the invention makes it possible to combine the favourable properties of a traffic crash absorber with the function of carrying traffic signs or similar, by means of the features described in claims 6-8.
- FIG. 1-3 shows an example of a traffic crash absorber 11 according to the invention. It is assembled of three vehicle tires, particularly used ones, which are stacked with a common, generally vertical axis, consisting of a lower vehicle tire 12 for support against the ground, a central vehicle tire 13 and an upper vehicle tire 14.
- the lower vehicle tire 12 has a downward facing tire side 15, and a cut away tire side which provides an extended upwards facing opening 16 which extends towards the edge of the tire side surface.
- the central vehicle tire 13 has a corresponding downwards opening 17 and an upwards facing tire side 18, which forms a support against the complete upper vehicle tire 14, which has a lower tire side 19 and an upper tire side 20.
- the three vehicle tires 12-14 are held together by four bolts 21, 22, 23, 24 ( Figure 4 ) which extend from the underside of the lower vehicle tire 12 and above the lower tire side 19 of the upper vehicle tire 14.
- the cavity between the two tire sides 15 and 19 are filled with rings 25 of tire sides which are cut from used vehicle tires.
- the bolts 21-24 are fixed by an upper nut 26 which presses a sleeve 27 against the tire side 19.
- the arms 28 and 29 form a mutual angle of 90°, and jointly carry a vertically arranged tubular sleeve 30 which connects them.
- the tubular sleeve 30 may serve as a holder for a traffic sign or similar. For fastening of a traffic sign with a tubular support bar, this is guided through the tubular sleeve 30, and it has a lock screw 31 on the side.
- a triangular bar bail 32 is arranged, where a side 33 extends inside the traffic crash absorber 11, between and beyond two of the bolts 21-24, and the two other sides 34, 35 join to form an outer bail part 36.
- the bail part 36 partly serves as anti-roll securing in case one free-standing traffic crash absorber, according to the invention, should be hit or tip over.
- the bail part 36 besides serving as a link for several traffic crash absorbers adjacent each other, is shown in Figure 4 . This is done by a locking element 37.
- Each bar bail 32 has ends, joined by welding as shown by numeral 38 ( Figure 4 ).
- the traffic crash absorber provides better utilization of used vehicle tires than prior art solutions, which also have inferior properties.
- a linkup of traffic crash absorbers has been tested by the collision of a vehicle with a weight of 1700 kg, and a speed of 70 km/hour, without failure and with satisfying absorbing properties.
- a traffic crash absorber according to the invention is characterised by simple and quick manufacturing, and the possibility of performing a simple repair or reconstruction.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Road Signs Or Road Markings (AREA)
- Traffic Control Systems (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Memory System Of A Hierarchy Structure (AREA)
Abstract
Description
- The invention relates to a traffic crash absorber according to the preamble of claim 1. The term "traffic crash absorber" relates to an impact-absorbing element which is used as a combined separating element and an impact absorber for collisions, for the location at roadways which are used by motorized vehicles, particularly cars. In addition, it can have a marker function.
- In certain situations, e.g. during road construction and during the clearing up after an accident, it is necessary to direct the traffic along temporarily changed roadways. For this purpose, conical elements of rubber or plastic are often lined up on the roadway near to this. These conical elements, which mainly serve as warning elements, are relatively light and are of a low height. In this way, the conical elements provide no protection to persons on the inside of the elements, in relation to the roadway, e.g. road construction workers.
- To increase the safety of persons in a road traffic situation like this, mobile traffic crash absorbers are proposed in
SE patent publication 502 091 - The traffic crash absorber according to
SE patent publication 502 091 - A disadvantage of the prior art traffic crash absorber is firstly, that the manufacturing takes a long time and is relatively difficult, as the said thread must be arranged in a relatively complex sling movement through the actual parts of the tire parts. A further disadvantage of this traffic crash absorber is that it has no fastening that can prevent the traffic crash absorber from rolling, e.g. when hit.
- The most serious disadvantage with this traffic crash absorber is, however, the low impact absorbing ability, and the problems with obtaining a secure linkup.
- Finally, the traffic crash absorber according to
SE patent publication 502 091 - From
US patent publication 3 848 853 (Way et al. 1974 ) it is known to provide a traffic crash absorber where several vehicle tires are stacked and fixed together with fastening bolts which extend axially through abutting tire sides. This configuration provides a traffic crash absorber which has too low absorption ability at collision. Besides, it is not suitable for the mounting of traffic signs and similar. - From
US patent publication 5 613 798 (Braverman 1997 ) it is known to use a vehicle tire as a base for a telescopic columnar traffic marker. This base has low absorption ability, and is exposed to damage by collision. Neither can it serve as a carrier for traffic signs. - From
US patent publication 5 645 368 (Yunik 1997 ) it is known to fasten several rows of stacked vehicle tires by joining a base plate and a covering plate. Each vehicle tire is covered by a cover. This increases the construction costs and makes it less stable. Here the absorbing effect is satisfying, but with the sacrifice of mobility, which is important at a temporary facility. - From
GB patent application 2 303 396 (Roadtex 1995 - The main object of the present invention is to provide a traffic crash absorber having better functional properties than the generally used traffic crash absorbers.
- The novel traffic crash absorber should also be easily connectable in groups of several traffic crash absorbers, so that more extensive absorbing structures for use at roadways can be created. It is desirable that a linkup like this, of several traffic crash absorbers, has a high absorption ability for collision, so that they can be used in an effective manner in current traffic and provide protection, both for the vehicles and persons, and objects located in the area to be protected by the traffic crash absorbers.
- It is a further object to provide such a traffic crash absorber which can be manufactured in a simple and quick way.
- Further, it is an object to provide a traffic crash absorber which as far as possible is manufactured of cheap materials, which are easily accessible.
- A further object is to provide such a traffic crash absorber which does not roll when hit.
- Finally it is an object to provide a traffic crash absorber which, in a simple way, may serve as a carrier for a traffic sign, a reference sign or similar.
- The invention is described in claim 1. Various features and details of the invention are described in the remaining claims.
- The invention provides a traffic crash absorber having particularly favourable utilisation properties. The combination of a low centre of gravity, high mass, and solid fastening by linking up, has provided a traffic crash absorber which has substantially improved properties compared to prior art absorbers.
- The design of the connection elements, as described in claim 3, provides particularly good properties at collisions.
- Further, the invention makes it possible to combine the favourable properties of a traffic crash absorber with the function of carrying traffic signs or similar, by means of the features described in claims 6-8.
- Further features and details of the invention will appear from the description of examples.
- The invention will be described in more detail with references to the drawings, wherein:
-
Figure 1 is a perspective view of an embodiment of a traffic crash absorber according to the invention, -
Figure 2 is a sectional side view of the traffic crash absorber ofFigure 1 , -
Figure 3 is a plan view, seen from above, of the traffic crash absorber ofFigures 1 and 2 , and -
Figure 4 is schematic sectional view, seen from above, of the three joined traffic crash absorbers according toFigure 1 . -
Figures 1-3 shows an example of a traffic crash absorber 11 according to the invention. It is assembled of three vehicle tires, particularly used ones, which are stacked with a common, generally vertical axis, consisting of alower vehicle tire 12 for support against the ground, acentral vehicle tire 13 and anupper vehicle tire 14. - The
lower vehicle tire 12 has a downward facingtire side 15, and a cut away tire side which provides an extended upwards facingopening 16 which extends towards the edge of the tire side surface. Thecentral vehicle tire 13 has a corresponding downwardsopening 17 and an upwards facingtire side 18, which forms a support against the completeupper vehicle tire 14, which has a lower tire side 19 and anupper tire side 20. - The three vehicle tires 12-14 are held together by four
bolts Figure 4 ) which extend from the underside of thelower vehicle tire 12 and above the lower tire side 19 of theupper vehicle tire 14. The cavity between the twotire sides 15 and 19 are filled withrings 25 of tire sides which are cut from used vehicle tires. The bolts 21-24 are fixed by anupper nut 26 which presses asleeve 27 against the tire side 19. At two of thebolts arm nut 26 and thesleeve 27. Thearms tubular sleeve 30 which connects them. Thetubular sleeve 30 may serve as a holder for a traffic sign or similar. For fastening of a traffic sign with a tubular support bar, this is guided through thetubular sleeve 30, and it has alock screw 31 on the side. - Between the
lower vehicle tire 12 and thecentral vehicle tire 13, atriangular bar bail 32 is arranged, where aside 33 extends inside the traffic crash absorber 11, between and beyond two of the bolts 21-24, and the twoother sides outer bail part 36. Thebail part 36 partly serves as anti-roll securing in case one free-standing traffic crash absorber, according to the invention, should be hit or tip over. Thebail part 36, besides serving as a link for several traffic crash absorbers adjacent each other, is shown inFigure 4 . This is done by a lockingelement 37. Eachbar bail 32 has ends, joined by welding as shown by numeral 38 (Figure 4 ). - As the lower part of the
traffic crash absorber 11 is filled withtire sides 25, the stability and the ability of energy absorption during collision is increased, due to increased mass. All joining elements, with the exception of the protrudingbail part 36, are arranged inside the outer surface of thetraffic crash absorber 11, which provides protection against damages during collision, breakaway etc. - Except for the bolts the annular sleeve with the arms, and the two triangular bails, waste materials, which generally would provide recycling or destruction problems, can be used. The traffic crash absorber, according to the invention, provides better utilization of used vehicle tires than prior art solutions, which also have inferior properties.
- The most important advantage of the invention is the possibility of combining high absorption abilities and a safe linkup. A linkup of traffic crash absorbers, according to the invention, has been tested by the collision of a vehicle with a weight of 1700 kg, and a speed of 70 km/hour, without failure and with satisfying absorbing properties.
- It is possible to provide different modifications of the details shown in the example above. For example, it is possible to stack more than three vehicle tires and connect them by the described method. A traffic crash absorber according to the invention is characterised by simple and quick manufacturing, and the possibility of performing a simple repair or reconstruction.
Claims (8)
- A traffic crash absorber (11), for use at roadways for boundary separation and protection, containing several vehicle tires of approximately the same diameter connected to each other in a stack, at least approximately coaxial to a geometric axis, above each other and where connection bolts (21-24) which extend in an axial direction are arranged between the lower and the upper tire, to hold the traffic crash absorber together, characterized in- that at least the lower two vehicle tires (12, 13) have extended openings (16, 17), to form a chamber comprising more than one tire width,- that in the void between the remaining tire sides (15, 19) are provided annular filling elements (25) which have generally sideways holes for the connection bolts, so that in a compressed state, forms an annular cushion, and- at least one of the connection bolts (21-24) forms a fastening for a connection element (32) for connection of several traffic crash absorbers (11).
- A traffic crash absorber according to claim 1, characterized in that the filling elements (25) are tire sides, particularly cut out of used vehicle tires.
- A traffic crash absorber according to claim 1 or 2, characterized in that in between the two lower vehicle tires (12, 13) in the stack, at least one bar bail (32) having a protruding bail part (36) is arranged, which forms a roller stop and a fastening element for linkup of several traffic crash absorbers, as the bar bail (32) grips around at least one of the connection bolts (21, 24).
- A traffic crash absorber according to claim 3, characterized in that at least the bar bail (32) grips around two adjacent connection bolts (21, 23).
- A traffic crash absorber according to claim 3 or 4, characterized in that it comprises two bar bails (32) which protrude with diametrically opposite bail parts (36).
- A traffic crash absorber according to claims 1-5, characterized in that at least one connector bolt (21-24) carries a radial inwardly protruding support arm (28, 29) with a fastening element (30) for a traffic sign.
- A traffic crash absorber according to claim 6, characterized in that at it comprises an arm (28, 29) which is held by two connection bolts (21, 22) and which carries a tubular sleeve (30) for the fastening of a traffic sign or similar.
- A traffic crash absorber according to claim 7, characterized in that the two support arms (28, 29) form a mutual angle of 90°, and carries a tubular sleeve (30).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20035337A NO20035337D0 (en) | 2003-12-01 | 2003-12-01 | traffic Buffer |
PCT/NO2004/000368 WO2005054583A1 (en) | 2003-12-01 | 2004-11-30 | Traffic crash absorber |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1706542A1 EP1706542A1 (en) | 2006-10-04 |
EP1706542B1 true EP1706542B1 (en) | 2010-06-23 |
Family
ID=30439607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04808862A Active EP1706542B1 (en) | 2003-12-01 | 2004-11-30 | Traffic crash absorber |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070140790A1 (en) |
EP (1) | EP1706542B1 (en) |
AT (1) | ATE472015T1 (en) |
DE (1) | DE602004027838D1 (en) |
NO (1) | NO20035337D0 (en) |
WO (1) | WO2005054583A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3569766A1 (en) | 2018-05-18 | 2019-11-20 | ATA Hill & Smith AB | Road crash barrier device |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2440145B (en) * | 2006-07-14 | 2010-04-21 | Paul Williams | Recycling of vehicle tyres |
NO332783B1 (en) | 2008-09-17 | 2013-01-14 | Ragnar Lotsberg | traffic Buffer |
US8974142B2 (en) | 2010-11-15 | 2015-03-10 | Energy Absorption Systems, Inc. | Crash cushion |
SE535990C2 (en) * | 2011-05-25 | 2013-03-19 | Vägbuffert | |
ITBO20130448A1 (en) * | 2013-08-06 | 2015-02-07 | Pasquale Impero | ABSORPTION BARRIER OF FRONTAL IMPACTS FOR USE IN AUTOMOTIVE OR MOTORCYCLE RACE CIRCUITS |
CN105317014B (en) * | 2015-12-02 | 2018-04-13 | 四川大学 | A kind of emergency safety device that impact is absorbed using waste tire |
US10590616B1 (en) * | 2016-10-14 | 2020-03-17 | Jon Kodi | Protective barrier and a corresponding structure |
CN108774977A (en) * | 2018-07-23 | 2018-11-09 | 芜湖市轩恒广告传媒有限公司 | A kind of traffic route anticollision bucket |
US11753783B2 (en) | 2020-03-24 | 2023-09-12 | Jon Kodi | Guard rail barrier from recycled tires |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3664653A (en) * | 1969-12-29 | 1972-05-23 | Brooks Walker | Energy absorber |
US3661359A (en) * | 1970-01-12 | 1972-05-09 | Brooks Walker | Energy absorber |
US3764446A (en) * | 1972-01-19 | 1973-10-09 | M Martin | Discarded tire carcasses secured together by fasteners to form a chain or mat |
US3848853A (en) * | 1973-03-15 | 1974-11-19 | M Way | Highway safety tire device |
SE502091C2 (en) * | 1990-10-12 | 1995-08-14 | Ruba Gummi Ab | Knock-proof cylindrical unit - is stable unit composed of stacked vehicle tyres |
US5238228A (en) * | 1991-07-25 | 1993-08-24 | Moon Danial G | Impact absorbing barrier and method of constructing same |
US5316815A (en) * | 1993-05-03 | 1994-05-31 | Tripp Benjamin A | Tubular rubber structure made from used tires |
US5549279A (en) * | 1994-07-27 | 1996-08-27 | Aszkenas; Marvin J. | Guard rail and fender formed of motor vehicle tires |
US5645368A (en) * | 1994-09-09 | 1997-07-08 | Yunick; Henry | Race track with novel crash barrier and method |
US5568913A (en) * | 1995-05-16 | 1996-10-29 | Nagler; Yaacov | Impact absorbing device |
US5613798A (en) * | 1995-07-06 | 1997-03-25 | Braverman; Josef J. | Traffic marker and base unit |
GB2303396A (en) * | 1995-07-19 | 1997-02-19 | Roadtex Ltd | Base for a free standing road sign |
US6427411B2 (en) * | 2000-03-13 | 2002-08-06 | Randy E. Shows | Bumper for columns and corners |
US6604888B2 (en) * | 2001-12-04 | 2003-08-12 | Donald L. Dolan | Energy absorbing safety barrier |
-
2003
- 2003-12-01 NO NO20035337A patent/NO20035337D0/en not_active Application Discontinuation
-
2004
- 2004-11-30 DE DE602004027838T patent/DE602004027838D1/en active Active
- 2004-11-30 WO PCT/NO2004/000368 patent/WO2005054583A1/en active Application Filing
- 2004-11-30 AT AT04808862T patent/ATE472015T1/en not_active IP Right Cessation
- 2004-11-30 US US10/578,577 patent/US20070140790A1/en not_active Abandoned
- 2004-11-30 EP EP04808862A patent/EP1706542B1/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3569766A1 (en) | 2018-05-18 | 2019-11-20 | ATA Hill & Smith AB | Road crash barrier device |
Also Published As
Publication number | Publication date |
---|---|
DE602004027838D1 (en) | 2010-08-05 |
EP1706542A1 (en) | 2006-10-04 |
WO2005054583A1 (en) | 2005-06-16 |
NO20035337D0 (en) | 2003-12-01 |
ATE472015T1 (en) | 2010-07-15 |
US20070140790A1 (en) | 2007-06-21 |
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