EP0855484B1 - Elongate hollow tubular mast - Google Patents
Elongate hollow tubular mast Download PDFInfo
- Publication number
- EP0855484B1 EP0855484B1 EP19970310696 EP97310696A EP0855484B1 EP 0855484 B1 EP0855484 B1 EP 0855484B1 EP 19970310696 EP19970310696 EP 19970310696 EP 97310696 A EP97310696 A EP 97310696A EP 0855484 B1 EP0855484 B1 EP 0855484B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mast
- reinforcing member
- rib structure
- opening
- reinforcing
- 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
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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
- E04H12/003—Access covers or locks therefor
Definitions
- This invention relates to an elongate hollow tubular mast comprising: a tubular wall having a longitudinal section that includes a first opening giving access to an interior space of the mast; and a tubular reinforcing member that is fixedly attached to an inner surface of the outer wall bordering its first opening, said reinforcing member including a second opening in registration with the first opening to provide an access opening in the mast to its interior space.
- Such masts are commonly used to support lighting fixtures and signs along roadsides and on man-made structured such as bridges. Such masts can also be used as flag poles and as columns to support various overhead structures. Such masts are further found on ships.
- NL-A- 7 908 623 upon which the precharacterising portion of appended claim 1 is based, describes an elongate hollow tubular mast having a first opening and a tubular reinforcing member on the inside of the mast with a second opening in registration with the first opening.
- EP-A- 0 414 284 discloses a polygon lamp standard with an access opening and cover.
- the wall parts of the lamp standard adjoining the side edges of the opening are made thicker so as to increase the strength in that area.
- inwardly directed strips are provided which together form a rail for fitting connection equipment and fuse boxes.
- An object of this invention is therefore to strengthen further the known elongate hollow tubular mast.
- an elongate hollow tubular mast comprising a tubular wall having a longitudinal section that includes a first opening giving access to an interior space of said mast and a tubular reinforcing member fixedly attached to an inner surface of said wall bordering said first opening, said reinforcing member being substantially shorter than the length of the mast and including a second opening in registration with said first opening to provide an access opening in said mast to said interior space, characterised in that an integrally formed, longitudinally elongate, first reinforcing rib structure projects radially from an inner surface of said reinforcing member and is generally opposite said access opening; and the reinforcing member also comprises an, integrally formed, longitudinally elongate, second reinforcing rib structure extending longitudinally above and below the second opening and projecting radially from an inner surface of said reinforcing member parallel to, and circumferentially spaced from, said first reinforcing rib structure, said second reinforcing rib structure being diametrically opposite said first
- the first reinforcing rib structure is formed so as to provide a mounting rail for accessory components to be fitted in the interior space of the mast.
- accessory components such as fuse boxes and rope or cable clamps
- the first reinforcing rib structure is provided with an undercut groove that can accept fastener elements, such as bolts, for mounting of accessory components.
- an undercut groove is preferably provided by forming the first reinforcing rib structure, in cross-section in the reinforcing member, as a pair of radially symmetrical L-shaped legs.
- the second reinforcing rib structure still further increase the strength of the reinforcing member, provides further means for attaching accessories to the interior of the mast and improves the manufacture of the mast.
- the second reinforcing rib structure is advantageously identical in cross section to the first reinforcing rib structure.
- the rib structure(s) of this invention allow the behaviour of the reinforcing member to be advantageously controlled during its expansion within the first longitudinal section of the mast.
- a non-uniform structure such as a hollow mast with a first opening cut in its tubular wall expands
- the structure has a tendency to bend longitudinally, whereby it deflects laterally.
- Such a bending tendency can be in addition to, or compensate for, another bending tendency that occurs during expansion of the mast's reinforcing member.
- a reinforcing member can be made that has a neutral behaviour during such expansion of the reinforcing member in the mast according to GB 1413334, and also, the reinforcing member can be symmetrically shaped so that the position, in which it is inserted in the mast, is less critical.
- the second reinforcing rib structure is intersected by the mast's access opening which is closed by a cover or lid, and a latch on the cover advantageously engages the front rib. This provides additional lateral fixing of the access door cover, which is desirable in areas prone to vandalism of such masts.
- Two further rib structures may be positioned at opposite lateral sides of the access opening. With such further rib structures, additional reinforcement of the tubular reinforcing member can be obtained along the lateral sides of the access opening and circumferentially beyond the opening.
- the tubular reinforcing member can advantageously be attached to the inner surface of the tubular longitudinal section by an interference fit.
- the reinforcing member can be attached to the inner surface of the longitudinal section by means of an adhesive material.
- FIGS 1-4 show an elongate hollow tubular metal mast 1 suitable, for example, as a lighting pole or as a flag pole.
- a lower end 2 of the mast 1 is buried in the ground 3.
- the lower end 2 could also take the form of a pedestal mounted on a man-made structure such as a bridge or viaduct.
- a cable entrance opening 4 in the lower end 2 of the mast which may only be required for a lighting pole.
- the mast 1 has a tubular outer wall 5 with a longitudinal section 8 that is closer to the ground 3 than to the top of the mast.
- the longitudinal section 8 includes an opening, generally 9, normally in the front of the mast, giving access to an interior space 10 within the mast.
- the access opening 9 is closed by a cover 11 locked in position by a locking element 13.
- a tubular inner wall or reinforcing member 15 which is positioned within the interior of the mast 1 and within its longitudinal section 8 bordering the access opening 9.
- the reinforcing member 15 is fixedly attached to an inner surface of the outer wall 5.
- the reinforcing member 15 takes the form of a sleeve that snugly fits within the interior of the mast 1.
- Projecting radially inwardly from the inner surface of the reinforcing member 15 are one or more, preferably at least a pair of, parallel, circumferentially spaced, identical, rib structures, generally 17.
- Each of the rib structures 17 includes an undercut groove 19 which is preferably provided by forming the first reinforcing rib structure, in cross-section in the reinforcing member 15, as a pair of radially symmetrical L-shaped legs 21 and 22.
- the inwardly-directed free end portions of the L-shaped legs 21, 22 have oppositely directed, enlarged ends or feet 23, 24 that preferably extend towards each other so that the pairs of legs and feet 21,23 and 22,24 are mirror images of each other about the center of each rib structure 17.
- the undercut groove 19 in the rib structures can be used to mount accessory components by means of conventional fasteners.
- the access opening 9 of the mast 1 comprises a first opening 25 in the longitudinal section 8 and a second opening 27 in the reinforcing member 15.
- the second opening 27 is in radial registration with the first opening 25.
- the first opening 25 is cut in the front of the outer wall 5 of the mast 1 prior to the insertion of the reinforcing member 15 in the mast.
- the second opening 27 can, as is shown, be slightly smaller than the first opening 25 to provide a recessed abutment edge for the cover 11.
- each of the rib structures 17 preferably comprises a longitudinally elongate structure that projects radially from, and is integrally formed with, the inner surface of the reinforcing member 15.
- one of the rib structures 17A is generally opposite, particularly diametrically opposite, the second opening 27 in the reinforcing member 1 and at the rear of the mast.
- This first or rear reinforcing rib structure 17A preferably extends longitudinally along the full height of the reinforcing member 15. The rear rib structure 17A thereby reinforces further the mast against weaknesses caused by its access opening 9 'and does so at a most effective location in the reinforcing member 15.
- a second or front reinforcing rib structure 17B be provided that is circumferentially spaced from the rear rib structure 17A in the reinforcing member 15 and preferably is diametrically opposite the rear reinforcing rib structure 17A. It is especially preferred that the front reinforcing rib structure 17B extend longitudinally above and below the second opening 27 in the reinforcing member , particularly to the top and bottom of the reinforcing member 15. In this regard, it is quite particularly preferred that the access opening 9 intersect radially the front reinforcing rib structure 17B. (A particular advantage of such an arrangement will be explained below with respect to Figure 4 .) The front reinforcing rib structure 17B still further increases the strength of the reinforcing member and makes it easier to locate properly the reinforcing member in the mast during its manufacture.
- the cover 11 is in an almost closed position.
- a tongue 29 which engages the undercut groove 19 of the front reinforcing rib structure 17B.
- the locking element 13 that includes a latch 31 and a latch bolt 33 which can be engaged by a suitable tool or key.
- the latch 31 also engages the sides of the groove 19 of the front reinforcing rib structure 17B.
- the engagement of the tongue 29 and the latch 31 with the groove 19 of the front reinforcing rib structure 17B gives an additional tangential retainment for the cover 11, which otherwise could only engage the lateral edges of the cover 11. This much improved lateral fixation of the cover meets a demand provoked by vandalism of such masts. In this regard, it has been possible for vandals to sideways kick out the covers of conventional lighting pole masts.
- the positioning of the rear and front reinforcing rib structures 17A and 17B on diametrically opposite sides of the reinforcing member 15 also allows the reinforcing member 15 to be fit within the longitudinal section 8 of the mast 1 by internal expansion as described in GB 1413334, without fear of the reinforcing member assuming a curved shape. Such curvature could result if the amount of material in the cross-sectional areas of either the rear or front reinforcing rib structure 17A or 17B were more resistant to expansion than the other cross-sectional areas of the reinforcing member. Of course, such a situation can be avoided if the reinforcing member has a symmetrical cross-section.
- the reinforcing member 15 can be given an initial outer diameter slightly in excess of the inner diameter of the mast 1.
- the reinforcing member can then be fitted, in a conventional manner, by heating the mast or by cooling the reinforcing member or by effecting both operations simultaneously.
- Another method of fixing the reinforcing member 15 to the mast involves the use of an adhesive material between the reinforcing member and the mast. This can also be done in a conventional manner.
- the rear reinforcing rib structure 17A reinforces the finished mast 1 to overcome the weakening of the mast caused by the presence of the access opening. Additional reinforcement of the mast can be obtained from the front reinforcing rib structure 17B, above and below the access opening 9. Still further reinforcement of the mast can be obtained by positioning two additional rib structures 17 along both lateral sides of the access opening. Not all the rib structures need be of the same shape or configuration, but the principal rear reinforcing rib structure 17A opposite the access opening is preferably shaped to provide additionally an attachment rail for accessory components. All the rib structures according to the invention are preferably of a continuous cross-section so that the reinforcing member 15 can be produced by a metal extrusion process.
- the rear and front reinforcing rib structures 17A and 17B need not be identical, and if desired, the front reinforcing rib structure 178 need not have feet 23 and 24 or an undercut groove 19, defined by such feet.
- feet 23 and 24, if initially present on rib structures 17 during the manufacture of the mast, can later be milled off of one or more of them to make the interior of the mast more accessible or to provide a stronger latch for the cover 9.
Description
- This invention relates to an elongate hollow tubular mast comprising: a tubular wall having a longitudinal section that includes a first opening giving access to an interior space of the mast; and a tubular reinforcing member that is fixedly attached to an inner surface of the outer wall bordering its first opening, said reinforcing member including a second opening in registration with the first opening to provide an access opening in the mast to its interior space.
- Such masts are commonly used to support lighting fixtures and signs along roadsides and on man-made structured such as bridges. Such masts can also be used as flag poles and as columns to support various overhead structures. Such masts are further found on ships.
- An example of such a reinforced mast is described in GB patent specification 1413334, and its structure has been used with reasonable success in counteracting structural weaknesses in the area of the mast's access opening. However, due to different demands for enlarging the access opening, even in the face of significant structural stresses caused by severe environmental conditions (particularly wind), the known reinforced tubular mast has sometimes been found to be inadequate.
- NL-A- 7 908 623, upon which the precharacterising portion of appended
claim 1 is based, describes an elongate hollow tubular mast having a first opening and a tubular reinforcing member on the inside of the mast with a second opening in registration with the first opening. - EP-A- 0 414 284 discloses a polygon lamp standard with an access opening and cover. The wall parts of the lamp standard adjoining the side edges of the opening are made thicker so as to increase the strength in that area. Opposite the opening inside the lamp standard, inwardly directed strips are provided which together form a rail for fitting connection equipment and fuse boxes.
- An object of this invention is therefore to strengthen further the known elongate hollow tubular mast.
- According to the present invention, there is provided an elongate hollow tubular mast comprising a tubular wall having a longitudinal section that includes a first opening giving access to an interior space of said mast and a tubular reinforcing member fixedly attached to an inner surface of said wall bordering said first opening, said reinforcing member being substantially shorter than the length of the mast and including a second opening in registration with said first opening to provide an access opening in said mast to said interior space, characterised in that
an integrally formed, longitudinally elongate, first reinforcing rib structure projects radially from an inner surface of said reinforcing member and is generally opposite said access opening; and
the reinforcing member also comprises an, integrally formed, longitudinally elongate, second reinforcing rib structure extending longitudinally above and below the second opening and projecting radially from an inner surface of said reinforcing member parallel to, and circumferentially spaced from, said first reinforcing rib structure, said second reinforcing rib structure being diametrically opposite said first rib structure. - Advantageously, the first reinforcing rib structure is formed so as to provide a mounting rail for accessory components to be fitted in the interior space of the mast. Usually lighting poles and flag poles require accessory components, such as fuse boxes and rope or cable clamps, to be fitted inside them. By appropriately shaping the first reinforcing rib structure, it can serve the additional function as a mounting rail for accessory components. Preferably the first reinforcing rib structure is provided with an undercut groove that can accept fastener elements, such as bolts, for mounting of accessory components. Such an undercut groove is preferably provided by forming the first reinforcing rib structure, in cross-section in the reinforcing member, as a pair of radially symmetrical L-shaped legs.
- The second reinforcing rib structure still further increase the strength of the reinforcing member, provides further means for attaching accessories to the interior of the mast and improves the manufacture of the mast. The second reinforcing rib structure is advantageously identical in cross section to the first reinforcing rib structure.
- When the manufacturing process of GB patent specification 1413334 is used, the rib structure(s) of this invention allow the behaviour of the reinforcing member to be advantageously controlled during its expansion within the first longitudinal section of the mast. In this regard, when a non-uniform structure such as a hollow mast with a first opening cut in its tubular wall expands, the structure has a tendency to bend longitudinally, whereby it deflects laterally. Such a bending tendency can be in addition to, or compensate for, another bending tendency that occurs during expansion of the mast's reinforcing member. When the reinforcing rib structures of the invention are positioned diametrically opposite to each other, a reinforcing member can be made that has a neutral behaviour during such expansion of the reinforcing member in the mast according to GB 1413334, and also, the reinforcing member can be symmetrically shaped so that the position, in which it is inserted in the mast, is less critical.
- In one particular embodiment, the second reinforcing rib structure is intersected by the mast's access opening which is closed by a cover or lid, and a latch on the cover advantageously engages the front rib. This provides additional lateral fixing of the access door cover, which is desirable in areas prone to vandalism of such masts.
- Two further rib structures, besides the first and second reinforcing rib structures, may be positioned at opposite lateral sides of the access opening. With such further rib structures, additional reinforcement of the tubular reinforcing member can be obtained along the lateral sides of the access opening and circumferentially beyond the opening.
- The tubular reinforcing member can advantageously be attached to the inner surface of the tubular longitudinal section by an interference fit. Alternatively the reinforcing member can be attached to the inner surface of the longitudinal section by means of an adhesive material.
- In order that the present invention may more readily be understood, the following description is given, merely by way of example, reference being made to the accompanying drawings in which:-
- Figure 1 is a general elevation view of one embodiment of mast according to the invention.
- Figure 2 is a transverse cross-sectional view of the mast taken along line II-II in Figure 1.
- Figure 3 is a transverse cross-sectional view of the mast taken along line III-III in Figure 1.
- Figure 4 is a partial longitudinal cross-sectional view of the mast along line IV-IV of Figure 1, with a cover for the access opening shown in position.
-
- Corresponding elements in these Figures are referred to by the same reference numbers.
- Figures 1-4 show an elongate hollow
tubular metal mast 1 suitable, for example, as a lighting pole or as a flag pole. Alower end 2 of themast 1 is buried in theground 3. However, this is only for illustrative purposes as thelower end 2 could also take the form of a pedestal mounted on a man-made structure such as a bridge or viaduct. Also optional is a cable entrance opening 4 in thelower end 2 of the mast which may only be required for a lighting pole. - The
mast 1 has a tubularouter wall 5 with alongitudinal section 8 that is closer to theground 3 than to the top of the mast. Thelongitudinal section 8 includes an opening, generally 9, normally in the front of the mast, giving access to aninterior space 10 within the mast. The access opening 9 is closed by acover 11 locked in position by alocking element 13. - In dash-dotted lines in Figure 1 is shown a tubular inner wall or reinforcing
member 15 which is positioned within the interior of themast 1 and within itslongitudinal section 8 bordering the access opening 9. The reinforcingmember 15 is fixedly attached to an inner surface of theouter wall 5. - As shown in Figure 2 (a transverse cross-section taken along line II-II of Figure 1), the reinforcing
member 15 takes the form of a sleeve that snugly fits within the interior of themast 1. Projecting radially inwardly from the inner surface of the reinforcingmember 15 are one or more, preferably at least a pair of, parallel, circumferentially spaced, identical, rib structures, generally 17. Each of the rib structures 17 includes anundercut groove 19 which is preferably provided by forming the first reinforcing rib structure, in cross-section in the reinforcingmember 15, as a pair of radially symmetrical L-shaped legs shaped legs feet feet undercut groove 19 in the rib structures can be used to mount accessory components by means of conventional fasteners. - As seen from Figure 3 (a transverse cross-section taken along line III-III of Figure 1, with the
cover 11 removed from the access opening 9), the access opening 9 of themast 1 comprises afirst opening 25 in thelongitudinal section 8 and a second opening 27 in the reinforcingmember 15. The second opening 27 is in radial registration with thefirst opening 25. - Preferably, the
first opening 25 is cut in the front of theouter wall 5 of themast 1 prior to the insertion of the reinforcingmember 15 in the mast. By cutting thesecond opening 27 in the reinforcingmember 15 separately afterwards, the second opening 27 can, as is shown, be slightly smaller than thefirst opening 25 to provide a recessed abutment edge for thecover 11. - As also shown in Figure 3, each of the rib structures 17 preferably comprises a longitudinally elongate structure that projects radially from, and is integrally formed with, the inner surface of the reinforcing
member 15. Preferably, one of therib structures 17A is generally opposite, particularly diametrically opposite, the second opening 27 in the reinforcingmember 1 and at the rear of the mast. This first or rear reinforcingrib structure 17A preferably extends longitudinally along the full height of the reinforcingmember 15. Therear rib structure 17A thereby reinforces further the mast against weaknesses caused by its access opening 9 'and does so at a most effective location in the reinforcingmember 15. - As further shown in Figure 3, it is preferred that a second or front reinforcing
rib structure 17B be provided that is circumferentially spaced from therear rib structure 17A in the reinforcingmember 15 and preferably is diametrically opposite the rear reinforcingrib structure 17A. It is especially preferred that the front reinforcingrib structure 17B extend longitudinally above and below the second opening 27 in the reinforcing member , particularly to the top and bottom of the reinforcingmember 15. In this regard, it is quite particularly preferred that the access opening 9 intersect radially the front reinforcingrib structure 17B. (A particular advantage of such an arrangement will be explained below with respect to Figure 4 .) The front reinforcingrib structure 17B still further increases the strength of the reinforcing member and makes it easier to locate properly the reinforcing member in the mast during its manufacture. - As shown in Figure 4 (a partial longitudinal cross-section through the mast along line IV-IV of Figure 1), the
cover 11 is in an almost closed position. At the lower end of thecover 11 is atongue 29 which engages the undercutgroove 19 of the front reinforcingrib structure 17B. At the upper end ofcover 11 is the lockingelement 13 that includes alatch 31 and alatch bolt 33 which can be engaged by a suitable tool or key. Thelatch 31 also engages the sides of thegroove 19 of the front reinforcingrib structure 17B. The engagement of thetongue 29 and thelatch 31 with thegroove 19 of the front reinforcingrib structure 17B gives an additional tangential retainment for thecover 11, which otherwise could only engage the lateral edges of thecover 11. This much improved lateral fixation of the cover meets a demand provoked by vandalism of such masts. In this regard, it has been possible for vandals to sideways kick out the covers of conventional lighting pole masts. - The positioning of the rear and front reinforcing
rib structures member 15 also allows the reinforcingmember 15 to be fit within thelongitudinal section 8 of themast 1 by internal expansion as described in GB 1413334, without fear of the reinforcing member assuming a curved shape. Such curvature could result if the amount of material in the cross-sectional areas of either the rear or front reinforcingrib structure - Alternatively the reinforcing
member 15 can be given an initial outer diameter slightly in excess of the inner diameter of themast 1. The reinforcing member can then be fitted, in a conventional manner, by heating the mast or by cooling the reinforcing member or by effecting both operations simultaneously. - Another method of fixing the reinforcing
member 15 to the mast involves the use of an adhesive material between the reinforcing member and the mast. This can also be done in a conventional manner. - Irrespective of the method of fixing the reinforcing
member 15 to themast 1, the rear reinforcingrib structure 17A, opposite the access opening 9, reinforces thefinished mast 1 to overcome the weakening of the mast caused by the presence of the access opening. Additional reinforcement of the mast can be obtained from the front reinforcingrib structure 17B, above and below the access opening 9. Still further reinforcement of the mast can be obtained by positioning two additional rib structures 17 along both lateral sides of the access opening. Not all the rib structures need be of the same shape or configuration, but the principal rear reinforcingrib structure 17A opposite the access opening is preferably shaped to provide additionally an attachment rail for accessory components. All the rib structures according to the invention are preferably of a continuous cross-section so that the reinforcingmember 15 can be produced by a metal extrusion process. - The invention is, of course, not limited to the above-described embodiment which may be modified without departing from the scope of the invention or sacrificing all of its advantages. For example, the rear and front reinforcing
rib structures feet groove 19, defined by such feet. Similarly,such feet
Claims (11)
- An elongate hollow tubular mast comprising a tubular wall (5) having a longitudinal section (8) that includes a first opening (25) giving access to an interior space (10) of said mast and a tubular reinforcing member (15) fixedly attached to an inner surface of said wall (5) bordering said first opening, said reinforcing member (15) being substantially shorter than the length of the mast and including a second opening (27) in registration with said first opening to provide an access opening (9) in said mast to said interior space, characterised in that
an integrally formed, longitudinally elongate, first reinforcing rib structure (17,17A) projects radially from an inner surface of said reinforcing member and is generally opposite said access opening (9); and
the reinforcing member (15) also comprises an, integrally formed, longitudinally elongate, second reinforcing rib structure (17B) extending longitudinally above and below the second opening (27) and projecting radially from an inner surface of said reinforcing member parallel to, and circumferentially spaced from, said first reinforcing rib structure (17A), said second reinforcing rib structure (17B) being diametrically opposite said first reinforcing rib structure (17A). - A mast according to claim 1, characterised in that first reinforcing rib structure (17) is diametrically opposite said access opening (9).
- A mast according to claim 1, characterised in that first reinforcing rib structure comprises means (19-24) providing a mounting rail for accessory components to be fitted in said interior space.
- A mast according to claim 3, characterised in that means (19-24) providing a mounting comprises an undercut groove (19) in said first reinforcing rib structure (17,17A).
- A mast according to claim 4, characterised in that the undercut groove is provided by forming said rib structure, in cross-section in said reinforcing member, as a pair of radially symmetrical L-shaped legs (21,22).
- A mast according to claim 5, characterised in that the L-shaped legs (21,22) have inwardly-directed free end portions with oppositely directed, enlarged feet (23,24) that extend towards each other so that said legs and said feet (23,24) are mirror images of each other about the centre of said rib structure.
- A mast according to any preceding claim, characterised in that the first and second rib structures have an identical cross-section.
- A mast according to any preceding claim, characterised in that said access opening (9) is closed by a cover (11), and latch means (13) on said cover engage said second reinforcing rib structure (17B), which is intersected by said access opening (9).
- A mast according to any preceding claim, characterised in that said reinforcing member also comprises two further, integrally formed, radially projecting, longitudinally elongate rib structures that are positioned at opposite lateral sides of said access opening.
- A mast according to any preceding claim, characterised in that said reinforcing member (15) is attached to an inner surface of said longitudinal section (8) by an interference fit.
- A mast according to any preceding claim, characterised in that said reinforcing member (15) is attached to the inner surface of said longitudinal section (8) by means of an adhesive material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19970310696 EP0855484B1 (en) | 1997-01-22 | 1997-12-31 | Elongate hollow tubular mast |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97200146 | 1997-01-22 | ||
EP97200146 | 1997-01-22 | ||
EP19970310696 EP0855484B1 (en) | 1997-01-22 | 1997-12-31 | Elongate hollow tubular mast |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0855484A1 EP0855484A1 (en) | 1998-07-29 |
EP0855484B1 true EP0855484B1 (en) | 2003-06-25 |
Family
ID=26146064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970310696 Expired - Lifetime EP0855484B1 (en) | 1997-01-22 | 1997-12-31 | Elongate hollow tubular mast |
Country Status (1)
Country | Link |
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EP (1) | EP0855484B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2807694B1 (en) | 2000-04-14 | 2002-07-05 | Europ De Laquage Et De Faconna | DEVICE FOR ASSEMBLING LONGITUDINAL EDGES OF PANELS, SLATS OR PANELS |
FR2808822B1 (en) | 2000-05-15 | 2003-01-03 | Europ De Laquage Et De Faconna | DEVICE FOR ASSEMBLING THE LONGITUDINAL EDGES OF PANELS, SLATS OR PANELS, WITH FORCE DISTRIBUTION |
FR2825734B1 (en) | 2001-06-12 | 2004-07-09 | Europ De Laquage Et De Faconna | DEVICE FOR ASSEMBLING PANELS, SLATS OR PANELS, WITH FORCE DISTRIBUTION |
FR2828703A1 (en) | 2001-08-14 | 2003-02-21 | Europ De Laquage Et De Faconna | PROCESS FOR LAYING PANELS, SLATS OR SIDINGS INCLUDING A FORCE DISTRIBUTION EDGE ASSEMBLY DEVICE |
DE10338347A1 (en) * | 2003-08-21 | 2005-03-17 | Christa Reiners | Lighting pole made of metal |
FR2874050B1 (en) * | 2004-08-09 | 2008-11-14 | Technilum | URBAN FURNITURE ASSEMBLY. |
EP2246504B1 (en) * | 2009-04-27 | 2013-09-18 | Europoles Sp. z.o.o. | Conical mast |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1913331A1 (en) * | 1969-03-15 | 1970-09-24 | Adolf Schuch Kg Lichttechn Spe | Reinforced recess indoor frame |
NL7908623A (en) * | 1979-11-28 | 1981-07-01 | Hunter Douglas Ind Bv | HOLLOW LIGHT METAL LIGHT TOWER AND INNER BUS FOR THAT. |
NL8902163A (en) * | 1989-08-25 | 1991-03-18 | Alcoa Nederland Bv | LIGHT POLE WITH ACCESS OPENING THROUGH A DOOR. |
FR2654184B1 (en) * | 1989-11-03 | 1992-01-24 | Solycome | TUBULAR ELEMENT OBTAINED BY ASSEMBLY ON BOARD OF TWO ELEMENTARY PROFILES. |
FR2706686A1 (en) * | 1993-06-14 | 1994-12-23 | Danis Nathalie Alberte | Device intended to improve the wiring and the maintenance of the connections of electrical supports |
FR2726598B1 (en) * | 1994-11-04 | 1997-01-24 | Equip Comp Ind | TUBULAR MAT |
EP0751271B1 (en) * | 1995-06-26 | 2000-08-30 | Hunter Douglas Industries B.V. | Tubular mast door |
-
1997
- 1997-12-31 EP EP19970310696 patent/EP0855484B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0855484A1 (en) | 1998-07-29 |
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