EP0894174B1 - Verfahren zum reparieren von pfosten - Google Patents

Verfahren zum reparieren von pfosten Download PDF

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Publication number
EP0894174B1
EP0894174B1 EP97918446A EP97918446A EP0894174B1 EP 0894174 B1 EP0894174 B1 EP 0894174B1 EP 97918446 A EP97918446 A EP 97918446A EP 97918446 A EP97918446 A EP 97918446A EP 0894174 B1 EP0894174 B1 EP 0894174B1
Authority
EP
European Patent Office
Prior art keywords
post
jointing
pipe
jointing pipe
slit
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.)
Expired - Lifetime
Application number
EP97918446A
Other languages
English (en)
French (fr)
Other versions
EP0894174A1 (de
Inventor
Sven Bertil Erling Svensson
Bo Ingemar Johansson
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.)
Lunds Energi AB
Original Assignee
Lunds Energi AB
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 Lunds Energi AB filed Critical Lunds Energi AB
Publication of EP0894174A1 publication Critical patent/EP0894174A1/de
Application granted granted Critical
Publication of EP0894174B1 publication Critical patent/EP0894174B1/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
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2292—Holders used for protection, repair or reinforcement of the post or pole

Definitions

  • the present invention relates to a repair device for repairing damaged poles or posts, in particular lamp posts, and to a method for repairing such posts.
  • damage can for example be the result of corrosion.
  • Lamp posts are usually cast-in-situ or erected in a cast foundation under ground which, in the case of the lower edge rusting away, makes it impossible to remove the whole post in a reasonable period of time and at a reasonable cost.
  • the technique described in SE-C-500 645 is used for such repairs.
  • the old, cut-off post is to be provided with a filling and a centring part resting on the filling. Consequently, the old, cut-off post functions as an erection foundation for the new lamp post, which has a smaller diameter and which is inserted into the old post.
  • the drawback of the such a device is that the repairs are expensive and complicated, since the old post has to be hauled away and replaced by a new one.
  • the cables inside the post have to be jointed or changed, since the service opening on new posts usually is located higher up than on old ones.
  • SE-B-339 552 discloses a clamp device for jointing post sections.
  • a plurality of slits have been made in the tubular device from the opposite ends of the jointing pipe, the inner ends of the slits overlapping along part of the extent of the jointing pipe.
  • One object of the present invention is thus to provide a repair which is simple and time-efficient for repairing lamp posts but which still provides the necessary stability and durability for the repaired post.
  • a further object of the invention is to provide a repair device which makes it possible to use the old lamp post and thereby makes the repairs less expensive, with respect to both materials and labour.
  • Another object of the invention is to provide a method for repairing lamp posts.
  • the lamp post is cut off in the area of the damaged portion, which is then removed from the two remaining parts of the post.
  • the post parts are then jointed by means of a jointing device.
  • This device comprises a jointing pipe exhibiting a longitudinal slit, which pipe is made of elastically deformable material.
  • the jointing pipe When being inserted into the post parts the jointing pipe is squeezed together, and the squeezing ceases after the insertion into the post parts in order make the jointing pipe spring back elastically. Subsequently, the post parts are pushed together essentially end to end. In this way, a stable joint is formed between the two parts of the post.
  • a device for jointing of pipes by means of a jointing pipe is described in GB-A-2 054 077.
  • this invention relates to pipes of various kinds, such as tent poles, and solves a completely different type of problem.
  • a pipe made of hard plastic is rolled up in a press and is then inserted into a ring made of steel, after which the ends of the plastic pipe are inserted into the opposite pipe ends until these hit against the ring.
  • the drawback of such a solution is that the clamping of the jointing pipe cannot be done in situ and requires expensive equipment.
  • the frictional forces between the plastic pipe and the jointed pipes will not be as great as those required in the present invention, since the steel ring prevents the plastic pipe from expanding to the extent necessary. Consequently, such an invention does not solve the problems which the present invention intends to solve.
  • Fig 1 shows a post 1, in particular a lamp post, which is damaged by corrosion in the area of the soil band J, and which has been cut off at ground level so that a first post part 2 still remains in a foundation 3.
  • a service opening 4 Prior to the post being cut off, a service opening 4 has been opened and a number of cables 5 have been loosened from a post insert 6 inside the lamp post 1.
  • a cut off post part 7 is used for the repairs by being jointed with the first post part 2 with the aid of a jointing device.
  • the jointing device comprises a jointing pipe 8 of elastically deformable and resilient material, preferably a cold-rolled steel pipe.
  • suitable materials are hot-dipped rolled steel and stainless steel.
  • the jointing pipe is made of e.g. aluminium or glass fibre.
  • the jointing pipe 8 has a slit 9 extending along the whole extent of the jointing pipe 8. In the jointing pipe's 8 unloaded state, the width of the slit 9 in the circumference of the jointing pipe 8 is sufficiently large for the jointing pipe 8 to have a slightly smaller outer diameter than the inner diameter of the post 1 when the slit has been closed by the squeezing of the jointing pipe 8 circumferentially.
  • the outer diameter of the jointing pipe should exceed the inner diameter of the post 1.
  • the jointing pipe 8 is kept temporarily squeezed together with the aid of at least one clamping means 10, e.g. a hose clamp, so as to make it possible to insert the jointing pipe 8 into the post parts 2, 7.
  • Fig. 2 the post 1 is shown after the post parts 2, 7 have been brought together.
  • the clamping means 10 has been removed, the jointing pipe 8 has sprung back elastically, and, thus, the two parts 2, 7 of the post are reassembled.

Landscapes

  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Pipe Accessories (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Bridges Or Land Bridges (AREA)
  • Types And Forms Of Lifts (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (10)

  1. Einsatz einer Verbindungsvorrichtung als Reparaturvorrichtung zum Reparieren eines beschädigten Mastes (1), insbesondere eines Lichtmastes, wobei die Verbindungsvorrichtung ein Verbindungsrohr (8) umfasst, das einen Längsschlitz (9) über seine gesamte Ausdehnung aufweist, und, das, nachdem der Mast in zwei Mastteile (2, 7) geschnitten worden ist und nachdem der beschädigte Abschnitt entfernt worden ist, in den Mast (1) eingeführt werden soll, um eine Verbindung (11) zwischen den Mastteilen zu überbrücken, dadurch gekennzeichnet, dass das Verbindungsrohr (8) aus einem elastisch verformbaren und federnden Material besteht und einen Außendurchmesser hat, der größer ist als der Innendurchmessers des Mastes (1),
    dass die Breite des Schlitzes (9) im Umfang des Verbindungsrohrs (8) im unbelasteten Zustand des Verbindungsrohrs (8) so groß ist, dass der Außendurchmesser des Verbindungsrohrs (8) kleiner ist als der Innendurchmesser des Mastes (1), wenn der Schlitz (9) durch Zusammendrücken des Verbindungsrohrs (8) in Umfangsrichtung geschlossen worden ist, und
    dass die Verbindungsvorrichtung des Weiteren eine Kiemmeinrichtung (10) umfasst, mit der das Verbindungsrohr (8) vorübergehend zusammengedrückt wird und der Schlitz (9) vor dem Einführen des Verbindungsrohrs (8) in den beschädigten Mast (1) geschlossen wird, so dass nach dem Zurückfedern des Verbindungsrohrs (8) das Verbindungsrohr (8) einen Teil des Mastes bildet.
  2. Einsatz als Reparaturvorrichtung nach Anspruch 1, wobei der Außendurchmesser des Verbindungsrohrs (8) um ungefähr 2-3 mm größer ist als der Innendurchmesser des Mastes (1) und die Breite des Schlitzes (9) im Umfang des Verbindungsrohrs (8) im unbelasteten Zustand des Verbindungsrohrs (8) ungefähr 14-16 mm beträgt.
  3. Einsatz als Reparaturvorrichtung nach Anspruch 1, wobei der Außendurchmesser des Verbindungsrohrs (8) um ungefähr 2 mm größer ist als der Innendurchmesser des Mastes (1) und die Breite des Schlitzes im Umfang des Verbindungsrohrs (8) im unbelasteten Zustand des Verbindungsrohrs ungefähr 15 mm beträgt.
  4. Einsatz als Reparaturvorrichtung nach einem der Ansprüche 1-3, wobei das Verbindungsrohr (8) ein Stahlrohr, vorzugsweise ein kaltgewalztes Stahlrohr, ist.
  5. Einsatz als Reparaturvorrichtung nach einem der Ansprüche 1-4, wobei die Verbindungsvorrichtung des Weiteren eine Abdeckung (12) aus Elastomermaterial zum Abdichten der Verbindung (11) zwischen den Mastteilen (2, 7) umfasst, die mittels des Verbindungsrohrs (8) verbunden sind.
  6. Verfahren zum Reparieren eines beschädigten Mastes (1), insbesondere eines Lichtmastes, das die folgenden Schritte umfasst:
    Schneiden des beschädigten Mastes (1) in zwei Mastteile (2, 7) und Entfernen seines beschädigten Abschnitts,
    Einführen eines Verbindungsrohrs (8) mit einem Längsschlitz (9) in die Mastteile (2, 7), und
    Zusammenbringen der Mastteile (2, 7),
    dadurch gekennzeichnet, dass ein Rohr, das aus einem elastisch verformbaren und federnden Material besteht und einen Außendurchmesser hat, der größer ist als der Innendurchmesser des Mastes (1), als ein Verbindungsrohr (8) eingesetzt wird,
    dass das Schlitz-Verbindungsrohr (8) in Umfangsrichtung in einem Maß zusammengedrückt wird, das zum Einführen in die zwei aneinandergrenzenden Mastteile (2, 7) des Mastes (1) ausreicht, und
    dass das Zusammendrücken des Verbindungsrohrs (8) zum elastischen Zurückfedern des Verbindungsrohrs (8) endet, bevor die Mastteile (2, 7) zusammengebracht werden.
  7. Verfahren nach Anspruch 6, wobei der Längsschlitz (9) des Verbindungsrohrs (8) über die gesamte Ausdehnung des Rohrs (8) angeordnet ist.
  8. Verfahren nach einem der Ansprüche 6 oder 7, wobei die Breite des Schlitzes (9) im Umfang des Verbindungsrohrs (8) im unbelasteten Zustand des Verbindungsrohrs (8) so groß ist, dass der Außendurchmesser des Verbindungsrohrs (8) kleiner ist als der Innendurchmesser des Mastes, wenn der Schlitz (9) durch Zusammendrücken des Verbindungsrohrs (8) in Umfangsrichtung geschlossen worden ist, und die Verbindungsvorrichtung eine Klemmeinrichtung (10) umfasst, mit der das Verbindungsrohr (8) vorübergehend zusammengedrückt wird und der Schlitz (9) vor dem Einführen des Verbindungsrohrs (8) in den beschädigten Mast (1) geschlossen wird.
  9. Verfahren nach einem der Ansprüche 6-8, wobei der Außendurchmesser des Verbindungsrohrs (8) um ungefähr 2-3 mm größer ist als der Innendurchmesser des Masts (1 ) und die Breite des Schlitzes (9) im Umfang des Verbindungsrohrs (8) im unbelasteten Zustand des Verbindungsrohrs (8) ungefähr 14-16 mm beträgt.
  10. Verfahren nach einem der Ansprüche 6-9, wobei die Verbindung (11) zwischen den beiden Mastteilen (2, 7) mit einer Abdeckung (12) abgedeckt ist.
EP97918446A 1996-04-18 1997-04-04 Verfahren zum reparieren von pfosten Expired - Lifetime EP0894174B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9601472 1996-04-18
SE9601472A SE504494C2 (sv) 1996-04-18 1996-04-18 Anordning och sätt för reparation av stolpar
PCT/SE1997/000567 WO1997039212A1 (en) 1996-04-18 1997-04-04 Device and method for repairing of poles

Publications (2)

Publication Number Publication Date
EP0894174A1 EP0894174A1 (de) 1999-02-03
EP0894174B1 true EP0894174B1 (de) 2003-06-04

Family

ID=20402244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97918446A Expired - Lifetime EP0894174B1 (de) 1996-04-18 1997-04-04 Verfahren zum reparieren von pfosten

Country Status (8)

Country Link
EP (1) EP0894174B1 (de)
AT (1) ATE242389T1 (de)
AU (1) AU2654897A (de)
DE (1) DE69722607D1 (de)
DK (1) DK0894174T3 (de)
NO (1) NO309735B1 (de)
SE (1) SE504494C2 (de)
WO (1) WO1997039212A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29719209U1 (de) * 1997-10-30 1998-02-12 Franke GmbH & Co KG, 99326 Stadtilm Stahlrohrmast
GB9917447D0 (en) * 1999-07-23 1999-09-29 Flude Rodger E A method of repairing posts
DE10016702B4 (de) * 2000-04-05 2006-04-27 G.A. Kettner Gmbh Schilder- und/oder Meßstellenpfosten
AU2002100057A4 (en) * 2001-05-04 2002-03-14 Retro Holdings Pty Ltd Golf/general use umbrella
GB0203046D0 (en) * 2002-02-11 2002-03-27 Flude Rodger E Lamp post planting device
GB2389621A (en) * 2002-06-11 2003-12-17 Mallatite Ltd Method of reinforcing tubular columns
NO340309B1 (no) * 2014-01-27 2017-03-27 Vidar Sandquist Damptett isolerende plate for montering under hule master med fotplate, så som lysmaster med elektriske kabler.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1870771A (en) * 1930-05-26 1932-08-09 Witt Clinton De Joint for connecting tubular sections of poles and the like
NO125203B (de) * 1967-08-24 1972-07-31 Gen Electric Co Ltd
GB2054077A (en) * 1979-07-18 1981-02-11 Gardom & Lock Ltd Tube coupling
SE9302880L (sv) * 1993-09-07 1994-08-01 Varberg En Ab Anordning för montering av en stolpe

Also Published As

Publication number Publication date
WO1997039212A1 (en) 1997-10-23
NO984799L (no) 1998-12-17
AU2654897A (en) 1997-11-07
DE69722607D1 (de) 2003-07-10
EP0894174A1 (de) 1999-02-03
SE9601472L (sv) 1997-02-24
SE504494C2 (sv) 1997-02-24
DK0894174T3 (da) 2003-09-15
SE9601472D0 (sv) 1996-04-18
ATE242389T1 (de) 2003-06-15
NO309735B1 (no) 2001-03-19
NO984799D0 (no) 1998-10-15

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