EP1016768A2 - Verbindung von senkrechten Zaunelementen - Google Patents

Verbindung von senkrechten Zaunelementen Download PDF

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Publication number
EP1016768A2
EP1016768A2 EP99310508A EP99310508A EP1016768A2 EP 1016768 A2 EP1016768 A2 EP 1016768A2 EP 99310508 A EP99310508 A EP 99310508A EP 99310508 A EP99310508 A EP 99310508A EP 1016768 A2 EP1016768 A2 EP 1016768A2
Authority
EP
European Patent Office
Prior art keywords
fence
rails
rail
vertical
recess means
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.)
Granted
Application number
EP99310508A
Other languages
English (en)
French (fr)
Other versions
EP1016768B1 (de
EP1016768A3 (de
Inventor
Roger Walmsley
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.)
Garfex Ltd
Original Assignee
Garfex 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 Garfex Ltd filed Critical Garfex Ltd
Priority to EP03075438A priority Critical patent/EP1316657B1/de
Publication of EP1016768A2 publication Critical patent/EP1016768A2/de
Publication of EP1016768A3 publication Critical patent/EP1016768A3/de
Application granted granted Critical
Publication of EP1016768B1 publication Critical patent/EP1016768B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
    • E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
    • E04H17/1426—Picket fences
    • E04H17/1439—Picket fences with separate pickets going through the horizontal members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
    • E04H17/1447—Details of connections between rails and posts

Definitions

  • This invention relates to vertical fencing, and in particular to vertical tube fencing.
  • This fencing comprises (in use) a plurality of vertical fence members which are supported by two substantially horizontal rails, a rail being located adjacent the top and bottom of the fence members.
  • the fencing is adapted as security fencing to prevent access by unauthorised persons, and so the fence members are sufficiently closely spaced to prevent such access.
  • the fence members are of a length to prevent or reduce the likelihood that the fence can be climbed, and the rails are positioned sufficiently far apart to impair their use as a climbing aid for a person wishing to climb over the fence.
  • the fence members project beyond the top rail, and their free ends can carry spikes or other features (which may be partly decorative), which spikes or features act to dissuade a person from climbing over the fence.
  • Vertical fencing is typically manufactured in sections, each section comprising a number of fence members and two rails.
  • the sections are manufactured off-site and are then transported to the fence site.
  • the rails are adapted to be connected to posts which are erected on the fence site at spaced positions along the line of the fence, two adjacent posts supporting either end of the rails of each section.
  • the fence members can be permanently secured to the rails (as by welding), and can be exactly perpendicular to the rails, so that in the assembled fence the rails are horizontal and the fence members are vertical.
  • the ground at the fence site is not flat and/or horizontal, so that if permanently secured fence members are used it is necessary to "step" the fence, i.e. to have one section higher or lower than an adjacent section to follow the slope of the ground. Such stepping is often visually unacceptable to the fence builder or architect.
  • the fence follow the contours of the ground, i.e. whilst the fence members remain vertical the rails can be pivotted relative thereto so that the rails are no longer perpendicular to the fence members but can be substantially parallel to the (non-horizontal) ground.
  • a fence section in which the fence members can pivot relative to the rails is referred to as "self-adjusting”.
  • self-adjusting typically, up to 20° of pivotting movement can be accommodated by self-adjusting vertical fencing.
  • Self-adjusting vertical fencing systems have been known for many years.
  • One such system is known in the trade as "Nibal”, and in this system the fence members are fitted to the rails by way of apertures in the rails; the fence members are then crimped (or “ribbed") adjacent the apertures so that subsequent removal from the rail is prevented.
  • the crimping allows sufficient flexibilty in the joint between the fence members and the rails so that self-adjustment is possible.
  • the "Nibal” system is shown in the 1930 catalogue of Baylis, Jones & Baylis, a well-known U.K. fencing manufacturer.
  • the "Nibal" system relies upon the fence members being crimped.
  • the fence members were of substantially circular cross-section solid steel bar 16 mm in diameter (or thereabouts). The substantial bar thickness was required to prevent adjacent bars being bent and separated, which could permit access through the fence.
  • a fencing section would comprise two rails and perhaps twenty bars, and clearly such fencing sections were extremely heavy and so difficult and expensive to transport from the manufacturing location to the fence site.
  • the present invention therefore seeks to provide vertical tube fencing which is self-adjusting.
  • vertical fencing comprising a pair of rails and a plurality of fence members attached thereto, the fence members being pivotable relative to the rails, characterised in that the fence members are tubular, and in that each fence member carries a resiliently-biassed projection which is engageable with recess means in one of the rails.
  • the projection when the projection is engaged in the recess means movement of the fence member parallel to its longitudinal axis is limited. Accordingly, unauthorised removal of the fence member from the rail or rails is prevented.
  • the projection when the projection is engaged in the recess means rotational movement of the fence member about its longitudinal axis is limited. Accordingly, if the fence members have asymmetric features fitted thereto (as for example may be provided by decorative end fittings), those features will be maintained in alignment along the fence.
  • the projection should be a sufficiently tight fit within the recess so that longitudinal movement and rotation is substantially prevented, so that the possibility of rattling of the fence member relative to the rails is prevented or reduced.
  • At least one of the rails comprises a channel section, the recess being provided by a notch or hole in an inturned part of the section. Accordingly, the recess can be substantially invisible when the fence section has been assembled, so that subsequent unauthorised removal of the projection from the recess is substantially or totally prevented.
  • the resiliently-biassed projection is provided by a spring clip; preferably also the body of the clip is located within the fence member.
  • only one of the rails has a recess for engagement by a projection.
  • the other rail can be attached to the fence member by a pair of fixed pegs or the like. It will be understood that the retention and anti-rotation aspects of the projection and recess need only be provided on one of the rails, since removal of the fence member from, or rotation of the fence member relative to, the other rail is limited by said one of the rails.
  • the fence member has a pair of resiliently-biassed projections, usefully projecting in opposed directions for engagement in opposed recesses.
  • the projection is substantially perpendicular to the plane of the fence section, so that the projection and recess can additionally provide the pivot point between the rail and fence member.
  • orientational terms such as “top”, “bottom” etc. refer to the orientation of the components as drawn, which will typically also be the orientation of use.
  • the vertical fence section 10 (part of which is shown in Fig.1) comprises two rails 12,14 to which a number of fence members 16 are attached.
  • the rails 12,14 are both connected to a post 18 in known fashion.
  • the fence is non-self-adjusting, so that the angular (in this embodiment perpendicular) relationship between the fence members 16 and the rails 12,14 is fixed.
  • the fence members 16 in this embodiment are welded to the rails 12,14.
  • an assembed fence will comprise a number of fence sections 10, each fence section being connected to posts 18 by way of the ends of the rails 12,14.
  • the posts 18 define the line of the fence and are erected on the site.
  • the fence sections 10 are generally pre-assembled i.e. manufactured off-site and supplied to the site ready for connection to the posts.
  • a fence section 10 can for example have between ten and twenty fence members 16, spaced so as to prevent the access of a person therebetween.
  • the rails can pivot relative to the fence members, i.e. the angle a can vary from 90° as in the embodiment of Fig.1 (this angle does not appear as 90° in the drawing because of the perspective), perhaps varying by as much as 20° on particularly sloping ground.
  • a pivotable or adjustable attachment of a fence member to a rail is as shown in Fig.2.
  • the fence member 20 has three fixed pegs, two of which pegs 22 are oppositely directed and lie in substantially the same plane along the longitudinal axis of the fence member 20.
  • the third peg 24 lies in a plane which is spaced from the plane of the pegs 22 by a distance slightly greater than the thickness of the wall 26 of the rail 28.
  • the rail In order to attach the fence member 20 to the rail 28, the rail has an aperture 30 which is generally an elongated circle but has a key-slot 32, the key-slot being sized to accommodate the peg 24.
  • the frame member When attaching the frame member 20 to the rail 28 the frame member is pushed from above into the aperture 30 and oriented so that the peg 24 can pass through the key-slot 32.
  • peg 24 has been passed through key-slot 32 the frame member 20 is rotated through 90° about its longitudinal axis L to the position shown in Fig.2.
  • the arrangement of the pegs is reversed, i.e. the two substantially co-planar pegs lie below the single peg.
  • the peg 24 is parallel with one of the pegs 22; whilst this is a desirable feature since it allows ease of pivotting movement (i.e. all of the pegs can be parallel with the pivot axis X), in other embodiments strict alignment is not necessary.
  • the frame member 20 can pivot about the axis X relative to the rail 28 (the elongated aperture 30 and the orientation of the pegs 22,24 facilitating such pivotting); such an attachment can therefore be used for self-adjusting vertical fencing.
  • two pegs offset by a distance slightly greater than the thickness of the wall 26 could be provided.
  • the pegs could be aligned or oppositely directed, as desired.
  • a single peg could be provided; in such embodiments a key-slot may not be necessary.
  • the frame member in which the resistance to longitudinal movement of the frame member was solely provided at the other rail, the frame member could be "loose" relative to one rail, i.e. merely passing through an aperture to prevent lateral frame member movement; however, such further embodiments are not preferred since in practice it may be possible to force the rails apart, and so some means of limiting relative movement of the frame member and rail is desired for both rails.
  • FIG.3 An attachment which can limit movement along the longitudinal axis L and also limit rotation thereabout is shown in Fig.3.
  • the rail 40 is of channel section and its side walls 42 each have an inturned part 44, the inturned part 44 terminating adjacent the wall 46 and having a recess in the form of a notch 50 (see also Fig.4) in the inturned part 44.
  • both inturned parts 44 have a notch 50, and these notches 50 are aligned.
  • the frame member 20 carries a spring clip 52, the ends 54 of which can project through opposed openings 56 in the wall 58 of the tubular frame member.
  • the spring clip 52 is of stainless steel with a circular cross-section having an outer diameter of approximately 4 mm; the action of the clip is resiliently to bias the ends 54 of the clip out of the openings 56, i.e. a force is required to push the ends 54 into the frame member 20.
  • the clip is of carbon steel or any other suitable material, perhaps even a plastics material, having the desired resilience and strength.
  • the wall 46 of the rail 40 has an elongated aperture 60, the elongation being required to permit the required amount of relative pivoting of the frame member 20 thereto.
  • the spring clip 52 is first inserted into the end of the tubular frame member 20 by a suitable tool.
  • the tool can either maintain the clip in its stressed condition (i.e. with the ends 54 held closer together than the inner diameter d of the tubular frame member 20), or alternatively (and more simply), the clip can be located adjacent the openings 56 but not aligned therewith, so that the clip is maintained in its stressed condition by the wall 58.
  • the frame member 20 is moved into position relative to the rail 40, which will usually include the positioning of the attachment for the other rail.
  • the clip 52 When correctly positioned, with the openings 56 substantially aligned with the notches 50, the clip 52 is moved within the frame member 20 so that its ends 54 are aligned with the openings 56 and the ends 54 are caused by the resilience of the clip 52 to project therefrom into the respective notches 50.
  • the ends 54 of the clip 52 may undergo two-stage movement, i.e. projecting from the openings 56 until they engage the inturned parts 44, whereupon the frame member 20 will require to be moved until the ends 54 of the clip 52 can spring into the respective notches 50.
  • the clip 52 is fitted to the frame member 20 so that its ends 54 project from the openings 56.
  • the frame member 20 is then inserted into the aperture 60 with the ends 54 of the clip projecting substantially perpendicular to the line of the notches 50.
  • the frame member 20 is rotated through approximately 90°, which rotation causes the ends 54 of the clip 52 to ride along the respective inturned parts 44 of the rail 40, partially pushing each end 54 back through its respective opening 56 until the ends 54 are aligned with the respective notches 50 and they spring out into the notches.
  • the lateral dimension of the notch only slightly exceeds the corresponding diameter of the end 54 of the clip 52, so that rotation of the frame member 20 about its longitudinal axis is substantially prevented by engagement of the ends 54 of the clip 52 with the sides of the notches 50.
  • the spring clip could be other than of circular cross-section, and if so references herein to "diameter" should be amended accordingly.
  • the notches 50 provide three functions, namely ⁇ i ⁇ the limitation of longitudinal movement of the frame member, and ⁇ ii ⁇ the limitation of rotational movement of the frame member (as both discussed above), and ⁇ iii ⁇ a bearing surface upon which the end 54 of the clip 52 can pivot when the fence is undergoing adjustment.
  • the frame member could be "loose" relative to one of the rails, i.e. merely passing through an aperture therein to provide lateral stability, the attachment to the other rail providing the limits on longitudinal and rotational movement of the frame member.
  • the attachment of Fig.3 to both rails of a fence section.
  • the dimension "b" of Fig.3 can be as small as desired, i.e. the distance between the inturned parts 44 of the side walls 42 need be only slightly greater than the thickness of the fence member; accordingly, access for a person's fingers (or more likely a tool) to force the end 54 of the clip 52 out of the notch 50 could be substantially prevented. Even with a relatively large dimension "b", visual inspection of the attachment is difficult to obtain on an assembled fence, so that a person intent on removing one or more fence members will be significantly encumbered.
  • the recess means is created by a pair of depressions 62 pressed into the wall 64 of the rail 66, the depressions 62 each being deep enough to permit the end 54 of a spring clip 52 to lie therewithin. Accordingly, the bottom 68 of each depression 62 limits longitudinal movement of the fence member (not shown in Figs.6-8) in a first direction (towards the bottom of the page as drawn), whilst the part 70 of the wall 64 of the rail remaining between the depressions 62 and the aperture 72 limits longitudinal movement of the fence member in the opposed direction.
  • the depressions 62 as shown are preferably sized to significantly limit the sideways movement (as drawn in Fig.8) of the ends 54 of the clip 52, so that rotation of the fence member relative to the rail is substantially prevented.
  • the depressions can lie immediately adjacent the rail aperture, the end or ends of the spring clip projecting through the depression so that a part of the end lies below a part of the wall of the rail; accordingly, the section of the wall which limits longitudinal movement of the frame member in said opposed direction does not need to lie between the rail aperture and the depression.
  • Fig.9 shows an alternative design of rail 74.
  • the rail 74 is of channel section with inturned parts 76 (only one of which can be seen in this mid-sectional view), and is therefore of similar form to the rail 40 of Figs. 3-5).
  • Each inturned part 76 has a notch 78, which notch is connected to an extension 80.
  • Each inturned part 76 also has a hole 82 formed therein, which lies adjacent the notch 78.
  • the form of the rail 74 is chosen so that one design of rail can be used at the top and bottom of the vertical fencing, notwithstanding that a spring clip such as that shown in Fig.3 only engages one of the rails (usually the bottom rail in use).
  • the ability to use a single design of rail reduces the tooling and inventory costs of the fencing manufacturer, and also reduces the likelihood of incorrect manufacture.
  • each fence member (not shown in this figure) carries a spring clip (which may be similar or identical to the clip 52 shown in Fig.3) which is engageable with the aligned holes 82 in the respective inturned parts 76.
  • the fence member also carries two fixed pegs (perhaps similar to the pegs 22 of the fence member of Fig.2) which are engageable with the aligned notches 78 in the respective inturned parts 76.
  • the purpose of the extension 80 is to allow the fence member to be positioned in the correct longitudinal position relative to the rail 74 and then rotated so that the pegs enter the extension 80, ride up the ramp 84, and then locate within the notch 78. It is arranged that when the fixed pegs have entered the notch 78 in one rail 74, the ends 54 of the spring clip 52 can enter the respective holes 82 in the other rail 74.
  • the fence member When so assembled, the fence member is retained against rotation and longitudinal and lateral movement by the engagement of the ends 54 of the spring clip 52 in one rail 74, and by the location of the fixed pegs in the notches 78 of the other rail 74 (the wall 86 of the rail 74 preventing upwards (as drawn) movement of the fixed pegs).
  • the hole 82 should be as close to the wall 86 as possible, so that the elongated aperture 88 in the wall 86 can be elongated to the minimum amount necessary for the degree of pivoting required for the fence member.
  • the hole 82 is necessarily spaced from the wall 86 by a distance greater then the depth of the notch 78, and so the elongation of the aperture 88 will be greater than that necessary in the embodiment of Figs. 3-5; nevertheless this will in many cases be an acceptable penalty in view of the saving in tooling and inventory afforded by a common design for both rails.
  • top rail and bottom rail it might be desirable to have a different form of top rail and bottom rail, notwithstanding the likely penalty in increased tooling costs and inventory.
  • both rails have a hole for the spring clip and a notch for the fixed peg, but only one or the other of these (e.g. the top rail could have the hole for spring clip and the bottom rail could have the notch for the fixed peg). Accordingly, the hole(s) for the spring clip could be closer to the wall (86) of the rail in which this was present, reducing the length of the elongated aperture in the wall needed for the degree of pivoting desired.
  • extension in the other inturned part 76 extends in the other direction to the extension 80, to permit rotation of the fixed pegs as above indicated.
  • an extension 80 is provided to each side of the notch 78, to permit entry of the fixed peg from both sides.
  • a hole 82 of predetermined size in the inturned part has an additional advantage over the notch 50 of Figs. 3-5, since the hole could overcome a possible concern which arises as a result of manufacturing tolerances.
  • the dimension "a" of Fig.3 could vary due to manufacturing tolerances to an undesirable degree, with a consequent undesirable variation in the longitudinal freedom of movement of the end 54 of the spring clip 52 in that embodiment.
  • Fig.10 shows an alternative design of spring clip 90 which can be used in place of the spring clip 52 of Fig.3.
  • the spring clip 90 can if desired be used in the embodiment of Fig.3-5, or Fig.9.
  • the notches 50 and the holes 82 provide three functions, namely ⁇ i ⁇ the limitation of longitudinal movement of the fence member, ⁇ ii ⁇ the limitation of rotational movement of the fence member (as both discussed above), and ⁇ iii ⁇ a bearing surface upon which the ends 54 of the clip 52 (or the corresponding ends of the spring clip 90) can pivot when the fence is undergoing adjustment.
  • the fence members 20 can be fitted to the rails 28,40,74 after painting of the fence members and rails, i.e. because no welding or other heat treatment is required to attach the fence members to the rails, any pre-applied paint will not be damaged. Accordingly, it is possible with vertical fencing according to the invention to have differently coloured fence members (perhaps alternately coloured) in the or each fence section, increasing the architect's or designer's freedom of choice in the aesthetic appeal of the fence.
  • the material from which the rails are manufactured would typically be a metal.
  • Steel is a suitable material, as is alumimium, though other materials are likely to be suitable also.
EP99310508A 1998-12-30 1999-12-23 Verbindung von senkrechten Zaunelementen Expired - Lifetime EP1016768B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03075438A EP1316657B1 (de) 1998-12-30 1999-12-23 Zaun mit senkrechten Elementen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9828860.8A GB9828860D0 (en) 1998-12-30 1998-12-30 Vertical fencing
GB9828860 1998-12-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03075438A Division EP1316657B1 (de) 1998-12-30 1999-12-23 Zaun mit senkrechten Elementen

Publications (3)

Publication Number Publication Date
EP1016768A2 true EP1016768A2 (de) 2000-07-05
EP1016768A3 EP1016768A3 (de) 2001-07-18
EP1016768B1 EP1016768B1 (de) 2004-10-06

Family

ID=10845182

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03075438A Expired - Lifetime EP1316657B1 (de) 1998-12-30 1999-12-23 Zaun mit senkrechten Elementen
EP99310508A Expired - Lifetime EP1016768B1 (de) 1998-12-30 1999-12-23 Verbindung von senkrechten Zaunelementen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03075438A Expired - Lifetime EP1316657B1 (de) 1998-12-30 1999-12-23 Zaun mit senkrechten Elementen

Country Status (4)

Country Link
EP (2) EP1316657B1 (de)
AT (2) ATE278852T1 (de)
DE (2) DE69932267T2 (de)
GB (2) GB9828860D0 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002072982A1 (en) 2001-03-14 2002-09-19 Heras Uk Fencing Systems Limited Adjustable fence panel and method of assembly
WO2003091515A1 (en) * 2002-04-26 2003-11-06 Jeff Norman Modular railing and method for coupling a picket with a rail
EP1668209A1 (de) * 2003-09-09 2006-06-14 Alan Qing-Lin Zhu Modularer zaun

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU785044B2 (en) * 2001-10-02 2006-09-07 Garfex Limited Vertical fencing
GB0402778D0 (en) * 2004-02-09 2004-03-10 Zaun Ltd Fencing apparatus and method of manufacturing the same
AU2005202189C1 (en) * 2005-05-20 2005-09-08 Euroloc Ip Pty Ltd Panel with Hidden Attachment Means
GB2435055B (en) * 2006-03-06 2008-04-30 Hadley Ind Plc Fencing
GB0625622D0 (en) 2006-12-22 2007-01-31 Crh Fencing Ltd Self raking fence panel and rail, kit of parts, and methods of assembly and installation
AU2021225209A1 (en) * 2020-09-14 2022-03-31 Paul Thrush A rackable panel assembly and methods of assembly thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218953A (en) * 1939-08-07 1940-10-22 Cyclone Fence Company Adjustable grade iron fence
US3067985A (en) * 1961-03-29 1962-12-11 Westmoreland Metal Mfg Co Picket fence
US5581868A (en) * 1994-06-30 1996-12-10 Bisch; Robert M. Method and apparatus for constructing a metal picket fence
US5873564A (en) * 1994-11-25 1999-02-23 Bisch; Robert M. Method and apparatus for constructing a metal picket fence

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398750A (en) * 1933-03-24 1933-09-21 Thornton Hilton Wornum Improvements relating to metallic fencing or railing
DE8602840U1 (de) * 1986-02-05 1986-06-12 Rüschoff, Heinrich, 4400 Münster Drahtgitterzaunelement
US5150885A (en) * 1991-04-18 1992-09-29 Nicola Leone Picket fence assembly
US5443244A (en) * 1993-03-22 1995-08-22 Gibbs; Edward L. Rolled metal fence rail

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218953A (en) * 1939-08-07 1940-10-22 Cyclone Fence Company Adjustable grade iron fence
US3067985A (en) * 1961-03-29 1962-12-11 Westmoreland Metal Mfg Co Picket fence
US5581868A (en) * 1994-06-30 1996-12-10 Bisch; Robert M. Method and apparatus for constructing a metal picket fence
US5873564A (en) * 1994-11-25 1999-02-23 Bisch; Robert M. Method and apparatus for constructing a metal picket fence

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002072982A1 (en) 2001-03-14 2002-09-19 Heras Uk Fencing Systems Limited Adjustable fence panel and method of assembly
WO2003091515A1 (en) * 2002-04-26 2003-11-06 Jeff Norman Modular railing and method for coupling a picket with a rail
EP1668209A1 (de) * 2003-09-09 2006-06-14 Alan Qing-Lin Zhu Modularer zaun
EP1668209A4 (de) * 2003-09-09 2009-07-15 Alan Qing-Lin Zhu Modularer zaun

Also Published As

Publication number Publication date
DE69932267T2 (de) 2007-02-01
DE69932267D1 (de) 2006-08-17
GB9920829D0 (en) 1999-11-10
EP1316657B1 (de) 2006-07-05
GB9828860D0 (en) 1999-02-17
DE69920857T2 (de) 2005-10-20
DE69920857D1 (de) 2004-11-11
EP1316657A1 (de) 2003-06-04
EP1016768B1 (de) 2004-10-06
GB2345303B (en) 2002-04-03
EP1016768A3 (de) 2001-07-18
ATE332427T1 (de) 2006-07-15
ATE278852T1 (de) 2004-10-15
GB2345303A (en) 2000-07-05

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