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EP0560539A1 - Barrieresystem - Google Patents

Barrieresystem Download PDF

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Publication number
EP0560539A1
EP0560539A1 EP93301658A EP93301658A EP0560539A1 EP 0560539 A1 EP0560539 A1 EP 0560539A1 EP 93301658 A EP93301658 A EP 93301658A EP 93301658 A EP93301658 A EP 93301658A EP 0560539 A1 EP0560539 A1 EP 0560539A1
Authority
EP
European Patent Office
Prior art keywords
rail
locating means
base
barrier
post
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Withdrawn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
EP93301658A
Other languages
English (en)
French (fr)
Inventor
Francis Ignatius Bradley
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0560539A1 publication Critical patent/EP0560539A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about
    • A61H3/06—Walking aids for blind persons
    • A61H3/066—Installations on the floor, e.g. special surfaces, to guide blind persons
    • 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
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
    • E01F13/022—Pedestrian barriers; Barriers for channelling or controlling crowds

Definitions

  • the present invention relates to barrier systems of the kind comprising a spaced array of free-standing posts which carry rails extending therebetween and which may be erected quickly, simply and inexpensively to provide what is generally regarded as a temporary barrier.
  • barrier systems are well known to indicate safe paths and to indicate hazardous regions, typically at building sites, civil engineering and road works and the like. Barrier systems are also known which simply employ an array of adjacently disposed free upstanding posts which may be sufficiently close together to alleviate the requirement for inter-connecting rails.
  • the free standing barrier post is conventionally formed by a post part upstanding from a relatively broad base on which the barrier post stands.
  • the post part is formed as a plastics moulded cone secured to a relatively broad circular or rectangular base which may also be of plastics or of rubber.
  • the barrier posts provide a clear indication of pathways, hazardous regions and "no-go areas"
  • the broad bases as aforementioned are themselves found to be a hazard (particularly by visually handicapped persons, users of wheelchairs, pushchairs and the like and generally in poor lighting) by virtue of their necessary projection to provide a stable base for a relatively narrow post part. It is an object of the present invention to provide a barrier system by which the aforementioned hazard presented by relatively broad based free standing barrier posts is alleviated in an efficient, relatively simple and inexpensive manner which may be aesthetically and environmentally acceptable.
  • a barrier system comprising a free standing barrier post having a post part upstanding from a relatively broad base, rail locating means carried by the barrier post and a rail, carried at least in part by the rail locating means; characterised in that the rail locating means carries the rail offset from the post part towards the outermost peripheral edge of the base.
  • the rails may be carried by the rail locating means at any height on the barrier post and indeed the barrier post may have attached thereto two or more rail locating means for carrying rails at different heights.
  • the, or a, rail locating means will be attached to the barrier post to carry a rail which extends horizontally relatively close to the floor surface, say at a height from the floor of approximately 15 centimetres, to provide a so-called blind rail which may be sensed through a stick carried by a visually handicapped person.
  • the offsetting of the rail in the system of the present invention is, of course, advantageous generally in so far as persons coming into contact with, or sensing the general presence of, the rail are naturally guided along a path which should maintain them clear of obstructions presented by the bases of the barrier posts.
  • the base is substantially unobtrusive horizontally from the side of the rail remote from the post part beyond a notional vertical planar region which includes the rail and the rail locating means.
  • the rail has a flat face which is presented substantially vertically on the side of the rail remote from the post part and the base is substantially unobtrusive horizontally beyond the notional vertical plane which includes the aforementioned vertical face of the rail.
  • the aforementioned vertical face of the rail on the side of the rail remote from the post part will coincide, approximately, with the outermost peripheral edge of the base.
  • the rail and rail locating means can be connected together by a simple coupling, preferably they co-operate in tongue and groove relationship. This co-operation may be provided by an upwardly directed slot in the rail locating means receiving part length of the rail or by a downwardly directed slot in the rail receiving an upwardly directed tongue of the rail locating means.
  • the rail locating means may provide the coupling for adjacent ends of two rails both of which are carried in part by the rail locating means.
  • This coupling may connect the rails sothattwo rails extend substantially rectilinearly from each other; it may connect the rails in the formation of a corner between two rails (typically where one rail extends longitudinally at 90° relative to the other rail), or it may connect two or three rails in the formation of a "T" junction between the rails.
  • the rail locating means preferably has a collar, sleeve or cap within which the post part of the barrier post is received for attaching the rail locating means to the barrier post.
  • the collar sleeve or cap will have a circular opening to be received as an interference fit on the post part which is usually of circular section.
  • This collar, sleeve or cap may be adjustable in its opening size to enable it to be received on different sized barrier posts or at different heights on a tapering post part. It is also possible for the locating means to extend outwardly from the post part and beyond the outermost peripheral edge of the base to be supported, at least in part, directly by the floor surface on which the barrier post stands.
  • the rail locating means may be carried by the base of the barrier post, for example the rail locating means may be integral with and upstanding from the base at or adjacent to the outermost marginal peripheral edge of the base. preferably this rail locating means will have an upstanding outer wall, remote from the post part, which coincides with the peripheral edge of the base.
  • the rail locating means will usually be hollow and open in the underside of the base so that two similar bases can be stacked vertically one on another with the rail locating means of the underlying base being at least partly received within the hollow of the rail locating means of the overlying base.
  • the rail locating means may taper for its walls to converge as it extends upwardly from the base and have a cavity therein with a mouth opening to the underside of the base so that when two similar bases are stacked one upon another the tapering rail locating means of the underlying base may be received within the cavity of the rail locating means of the overlying base.
  • the rail locating means includes warning lamp or a lamp holder therefore which may simply comprise a socket within which a warning lamp is received.
  • the lamp holder may be located as convenient and appropriate on the rail locating means but where such means provides a coupling for the ends of two rails as previously discussed, it is preferred that the lamp holder is located between the adjacent ends of the two rails which are coupled together.
  • the rail locating means is formed as a relatively inexpensive one piece moulding (usually in plastics) and, where applicable, this may be moulded integral with the base.
  • a plastics moulded rail locator for attachment to a barrier post in the construction of a barrier assembly comprising an opening for receiving the barrier post and an extension part which extends outwardly relative to the opening and has at its outer end coupling means by which a rail is to be connected and carried by said rail locator remote from the barrier post.
  • This rail locator will usually have a circular opening for receiving the barrier post (which is usually conical) with the coupling means at the radially outer end of the extension part to connect and carry the rail to extend substantially parallel to a tangential plane of the circular opening.
  • a moulded base for a barrier post to which an upstanding post part is, or is to be, attached, the base comprising an upstanding rail locating means formed integral therewith and located at or adjacent to an outermost peripheral edge of the base.
  • the rail locating means integrally formed with the base is hollow to provide a cavity with a mouth opening to the underside of the base and is arranged so that when two similar bases are stacked one upon another as a vertical column the rail locating means of the underlying base is received, at least in part, within the cavity of the rail locating means of the overlying base.
  • the post part will be conical so that its wall converges as it rises above the base; such a conical post part of hollow structure and open bottomed is particularly advantageous to facilitate the aforementioned stacking of several barrier posts.
  • the rail locator means comprises a collar fitted over the post part
  • the interference fit of the collar on a conical post part may determine the height of the barrier rail.
  • the collar may be adjustable to different internal diameters to provide different height settings or to accommodate post parts of different diameters.
  • the barrier post is considered as a conventional form of free standing hazard warning cone (commonly termed a "road cone") 1 having a generally frusto conical body 2 attached to, and upstanding with its apical nose 3 uppermost from, a rectangular base 4 on which the road cone stands.
  • the side length of the base 4 is considerably greater than the maximum diameter of the conical body 2 to provide a stable structure.
  • the conical body 2 will be a hollow plastics moulding secured to a rubber like or plastics moulded heavy duty base 4.
  • a light reflective sleeve 5 may be fitted to the conical body 2.
  • the cone body 2 will open downwardly through the base 4 so that several similar cones can be stacked as a vertical column, one cone being received within the cone which immediately overlies it.
  • the rail locator 6 is preferably formed as a one piece plastics moulding having a circular opening within which the body 2 is received.
  • a rail locator 6 has a collar 8 forming a circular aperture 9 within which the conical body 2 is received to attach the locator 6 to the road cone.
  • the collar 8 is formed as an extension of a coupling part 10 on the locator 6.
  • the coupling part 10 has a straight elongated slot 11 which, when the locator 6 is attached to the road cone, is presented upwardly as shown in Figure 4.
  • the portion 8A of the collar 8 between the aperture 9 and the coupling part 10 extends generally radially relative to the aperture 9 (and therefore relative to the conical body 2) while the elongated slot 11 extends in a plane substantially parallel with a tangent of the aperture 9 and the conical body 2.
  • the rail locator 6 is arranged so that when the collar 8 is a firm interference fit on the conical body 2, the coupling part 10 may rest on the base 4 to be supported thereby and the coupling part 10 is offset by the extension 8A from the conical body 2 so that its slot 11 overlies the outermost edge 4A of the base as is best seen in Figure 3.
  • the longitudinally extending rails 7 are substantially straight and of oblong rectangular shape in lateral section as shown in Figure 3.
  • the slot 11 is sized to receive a rail 7 as a relatively close fit so that the rail is supported above the ground surface on which the road cone 1 stands.
  • the coupling part 10 can receive in its slot 11 opposing ends of two rails 7 to provide what is, in effect, a continuous rail extending between an array of spaced road cones.
  • the rails have generally flat opposed side faces 7A and when the rails are received in the slot 11, with the road cone 1 standing on a horizontal surface, the faces 7Aextend substantially vertically in a planarre- gion which includes the base edge 4A.
  • the rail 7 is located to present what may be regarded as a "blind rail" where the bottom edge of the rail is approximately 15 centimetres from the floor surface.
  • a blind rail is primarily intended for use by visually handicapped persons who may locate and follow the rail with the aid of a stick. In this latter use it will be apparent that the location of the rail 7 offset from the conical body 2 will ensure that a person following the rail on the side thereof remote from the conical bodies 2, will not encounter the road cone bases 4 as an obstacle and possible hazard - not only does this apply for visually handicapped persons but also generally for persons moving alongside the rails 7 who will be guided clear of the bases 4.
  • the coupling part 10 is shown supported on the outermost marginal edge of the base 4 but if required the rail locator 6 can be modified by increasing the length of its collar extension part 8Aand the depth of the coupling part 10 for the latter to be supported directly on the floor surface on which the base 4 stands.
  • the modified rail locator 6 shown in Figure 5 has an upwardly opening socket 13 formed in its coupling part 10.
  • a battery operated hazard warning lamp indicated at 14 may be received within the socket 13.
  • the socket 13 is located so that the lamp 14 will be positioned between the opposing ends of two rails which are rectilinearly coupled together by the rail locator.
  • the rail locator 6 shown in Figure 6 is intended to couple together two rails 7 to form a corner connection in which one rail extends substantially at 90° with respect to the other rail.
  • a comparison of Figures 4 and 6 will show that the locator 6 in Figure 6 is modified from that shown in Figure 4 by having a second coupling part 10A with its longitudinally extending slot 11Aformed similarly to the slot 11 in the coupling part 10 but arranged so that the slots 11 and 11A extend at right angles with respect to each other.
  • the slot 11A will overlie the outermost marginal edge of the road cone base 4 in a similar manner to that discussed for the slot 11 and each slot 11 and 11Acan receive a rail 7 to form a corner between those rails.
  • the slots 11 and 11A are open at each of their longitudinal ends so that, if required, one of those slots can have a rail extending completely therethrough or can provide a coupling for two rails in a similar manner to that shown in Figure 2 so that a "T" junction may be formed by locating a rail 7 in the other of the slots.
  • the modified form of corner rail locator 6 shown in Figure 7 includes a socket 13 for receiving a warning lamp at the corner t hat will be formed between adjacent ends of rails 7 that will be received within the slots 11 and 11A.
  • Figure 8 shows a corner rail forming locator 6 similar to that shown in Figure 6 and with a corner lamp holder socket 13 offset from the effective corner that will be formed between rails received in the slots 11 and 11A; those slots 11 and 11A may therefore be open at each end for the purpose of forming a T-junction between the rails as previously discussed.
  • the embodiment of the barrier system shown in Figure 10 has a rail locator 6 (shown in section) in which the previously described collar 8 is replaced by a cap part 31 having a frusto conical socket 31A.
  • the socket 31A receives the nose 3 of the conical body 2 as a substantially complementary fit to attach the locator 6 firmly on the road cone 1.
  • the coupling part 10 may be offset from the cone body 2 in a similar manner to that previously discussed although itwill be appreciated that the embodiment of Figure 10 is likely to be more appropriate for locating and carrying rails at a greater height than the arrangements previously discussed.
  • locator 6 shown in Figure 10 can be modified to provide for a corner or T-junction coupling of rails as shown in Figures 6 to 8, to include the tongue coupling part 20 as shown in Figure 9 and also it may be used in conjunction with the previously described rail locators if it is required for a single road cone to carry upper and lower height rails.
  • the base 4 has integrally formed thereon, at a marginal outermost peripheral edge, a rail locator shown generally at 16 which is intended to locate and carry one or more rails 7 which extend between adjacent road cones 1 in the spaced array.
  • the rail locator 16 comprises a vertically upstanding wall 18 extending along a peripheral edge of the base 4 so that the wall's 18 outermost face 20 is continuous with the aforementioned peripheral edge.
  • the wall 18 has a straight slot 22 which is presented upwardly of the base 4 as shown in Figure 11 and opens at both the longitudinally opposed ends of the wall 18.
  • the slot 22 is sized to receive a rail 7, as previously described, as a relatively close fit so that the rail is supported above the ground surface on which the road cone 1 stands, and can receive opposing ends of two rails 7 to provide what is, in effect, a continuous rail extending between an array of spaced road cones.
  • the rails 7 Preferably have generally flat opposed side faces 7A which, when located in the slot 22, extend substantially parallel to the face 20 of the wall 18.
  • the arrangement shown in Figure 11 presents a "blind rail" similar to that of Figure 1.
  • the barrier post 1 shown in Figure 11 may have a modified rail locator 16 formed integral with and extending along two adjacent peripheral edges of the base 4, and which rail locator 16 is intended to couple together two rails 7 to form a corner connection in which one rail extends substantially at 90° with respect to the other rail in a manner similar to that of the rail locator 6 of Figure 6.
  • barrier post 1 shown in Figure 11 may include provision for mounting a warning lamp similar to that described with reference to Figures 5, 7 and 8.
  • the rail locator 16 has an upstanding wall 18 which tapers for its opposed inner and outer faces to converge as it extends upwardly from the base 4, the outer face 20 of this wall coinciding, so as to be flush, with a sloping peripheral edge 21 of the base 4.
  • the wall 18 has a straight vertical elongated slot 22 which is presented upwardly of the base, as shown in Figure 12, to receive a rail 7 as a relatively close fit in a manner as previously discussed.
  • the wall 18 is hollow, having a cavity 34 extending along its length and separated from the slot 22 by a slot base 36. This cavity 34 has a mouth 38 ( Figure 13) opening to the underside 39 of the base 4, and which mouth 38 extends longitudinally beyond the opposed ends of the wall 18.
  • the cavity 34 tapers to converge as it extends upwardly from the mouth 38 so that two similar road cones 1 and 1' may be stacked together as a vertical column with the rail locator means 16 of the lower road cone 1 being partially received within the cavity 34' of the rail locator means 16' of the overlying road cone 1', as shown in Figure 13, thereby enabling many similar road cones to be column stacked in a close fitting manner.
  • Such column stacking may be achieved simultaneously with similar stacking of the cones 2 of the barrier posts.
  • locator 16 shown in Figure 13 can be modified to provide for a corner or T-junction coupling of rails in a similar manner to that previously described.
  • base part 36 of the slot 22 can be omitted so that the barrier rail may be supported directly on the base 4.
  • the previously mentioned longitudinally extending slot 22 in the wall 18 of the locator means 16 is replaced by an upstanding tongue 30.
  • This tongue 30 extends vertically so that its outer face is flush with a peripheral edge of the base 4 and, in this example, forms the entire wall 18.
  • the rails 7 are provided with downwardly extending slots 21 which are received as a close sliding fiton the tongue 30 during the erection of the barrier system (similar to the arrangement shown in Figure 9). With this arrangement it will be appreciated that if two rails 7 are coupled on a common tongue 30 with the adjacent ends of the rails 7 in abutment, the rails can present a continuous face 7Ato a person moving along the side of the rail remote from the conical body 2 as pre- viouslydescribed. Further, the face 7Aofthe rail 7 extends in a vertical plane remote from that of the outer face of the wall 18 so that no part of the road cone extends beyond the face 7A of the rail.
  • FIG. 15 A modified form of the rail locator 16 in Figure 14 is shown in Figure 15 in which the locator means again comprises a tongue 30 upstanding from the base 4 but in this example the tongue is set back from the peripheral edge of the base towards the body 2 at a distance which allows the face 7Aof the rail to coincide in a vertical plane with the peripheral edge of the base 4.
  • the locator means 16 of Figures 14 and 15 may be modified as previously discussed to form corner rail locators and "T" junctions as well as to facilitate the mounting of warning lamps.
  • the locator means 16 shown in Figure 16 is a modified form of the locator means shown in Figures 14 and 15 in which the upstanding tongue 30 tapers for its opposed inner and outer faces to converge as it extends upwards from the base 4 and is hollow, having a cavity 40 extending along its length which has a mouth 42 opening to the underside 39 of the base 4.
  • the cavity 40 tapers to converge as it extends upwardly from the mouth 42 so that two similar road cones may be stacked together as a vertical column with the rail locator means 16 of a lower road cone being partially received within the cavity 40 of the rail locator means 16 of a directly overlying road cone, thereby enabling many similar road cones to be column stacked in a close fitting manner.
  • Figure 16 also shows a modified form of the rail 7 having a groove 44 tapering to converge as it extends upwardly from the base 46 of the rail 7 so as to co-operate with the tongue 30.
  • a barrier post 1 as shown in Figures 5 to 16 may carry a second rail locator 6, as described in relation to any one of Figures 1 to 10, so that a barrier system may be formed by two or more of the barrier posts 1 supporting two parallel rails 7, one in a lower position (a "blind rail") carried by rail locators 16 while the second rail 7 may be carried in an upper position (for example for use as a hand rail) by rail locators 6.
  • a blind rail carried by rail locators 16 while the second rail 7 may be carried in an upper position (for example for use as a hand rail) by rail locators 6.
  • the invention may be applied to barrier posts having posts parts not of circular horizontal cross section.
  • the post part may have a rectangular cross section and the co-operating locator means would have, where applicable, a rectangular collar for interference fit with that post part.

Landscapes

  • Health & Medical Sciences (AREA)
  • Pain & Pain Management (AREA)
  • Rehabilitation Therapy (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
EP93301658A 1992-03-10 1993-03-04 Barrieresystem Withdrawn EP0560539A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9205162A GB2264968B (en) 1992-03-10 1992-03-10 A barrier system
GB9205162 1992-03-10

Publications (1)

Publication Number Publication Date
EP0560539A1 true EP0560539A1 (de) 1993-09-15

Family

ID=10711808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93301658A Withdrawn EP0560539A1 (de) 1992-03-10 1993-03-04 Barrieresystem

Country Status (2)

Country Link
EP (1) EP0560539A1 (de)
GB (1) GB2264968B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5467548A (en) * 1994-07-27 1995-11-21 Ross; Charles N. Protective barrier members for work areas
GB2327968A (en) * 1997-08-08 1999-02-10 Melba Prod Barrier elements for use in hazard warning or traffic control assemblies
WO2009093003A1 (en) * 2008-01-21 2009-07-30 Fergus Johnathan Ardern Barrier system
US8246012B2 (en) * 2009-06-01 2012-08-21 Pasqualini Tony L Construction site fence panel foot boot

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109403236B (zh) * 2018-11-28 2020-11-17 黄丽华 一种高速公路用可调节式交通安全锥

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534259A (fr) * 1971-06-21 1973-02-28 Rossier Denis Technicien Panneau de balisage
US3776521A (en) * 1972-03-27 1973-12-04 R Weinert Portable safety railing
FR2497848A1 (fr) * 1981-01-15 1982-07-16 Pichon Joseph Garde-corps destine a equiper les ouvrages d'art des voies de circulation routiere
FR2570104A1 (fr) * 1984-09-11 1986-03-14 Marpot Christian Barriere demontable pour chantier de voirie
GB2197900A (en) * 1986-11-27 1988-06-02 Policon Limited Road cone with removable adaptor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1531724A (en) * 1975-10-31 1978-11-08 Glasdon Ltd Post and rail assemblies
GB2134577B (en) * 1982-04-16 1986-04-30 Glasdon Ltd Improvements in or relating to roadsigns
GB2152563B (en) * 1984-01-06 1987-08-12 Swintex Flexible barrier
GB8526510D0 (en) * 1985-10-28 1985-12-04 Spacesaver Signs Road sign

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH534259A (fr) * 1971-06-21 1973-02-28 Rossier Denis Technicien Panneau de balisage
US3776521A (en) * 1972-03-27 1973-12-04 R Weinert Portable safety railing
FR2497848A1 (fr) * 1981-01-15 1982-07-16 Pichon Joseph Garde-corps destine a equiper les ouvrages d'art des voies de circulation routiere
FR2570104A1 (fr) * 1984-09-11 1986-03-14 Marpot Christian Barriere demontable pour chantier de voirie
GB2197900A (en) * 1986-11-27 1988-06-02 Policon Limited Road cone with removable adaptor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5467548A (en) * 1994-07-27 1995-11-21 Ross; Charles N. Protective barrier members for work areas
GB2327968A (en) * 1997-08-08 1999-02-10 Melba Prod Barrier elements for use in hazard warning or traffic control assemblies
WO2009093003A1 (en) * 2008-01-21 2009-07-30 Fergus Johnathan Ardern Barrier system
US8246012B2 (en) * 2009-06-01 2012-08-21 Pasqualini Tony L Construction site fence panel foot boot

Also Published As

Publication number Publication date
GB2264968B (en) 1996-01-17
GB9205162D0 (en) 1992-04-22
GB2264968A (en) 1993-09-15

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