EP2631370B1 - Cabine souterraine - Google Patents

Cabine souterraine Download PDF

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Publication number
EP2631370B1
EP2631370B1 EP13156084.9A EP13156084A EP2631370B1 EP 2631370 B1 EP2631370 B1 EP 2631370B1 EP 13156084 A EP13156084 A EP 13156084A EP 2631370 B1 EP2631370 B1 EP 2631370B1
Authority
EP
European Patent Office
Prior art keywords
wall
plates
frame
bars
base plate
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.)
Not-in-force
Application number
EP13156084.9A
Other languages
German (de)
English (en)
Other versions
EP2631370A2 (fr
EP2631370A3 (fr
Inventor
Günter Irmer
Helmut Perschon
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.)
Berthold Sichert GmbH
TE Connectivity Germany GmbH
Original Assignee
ADC GmbH
Berthold Sichert GmbH
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
Priority claimed from DE202012100568U external-priority patent/DE202012100568U1/de
Priority claimed from DE102012101366A external-priority patent/DE102012101366B3/de
Application filed by ADC GmbH, Berthold Sichert GmbH filed Critical ADC GmbH
Publication of EP2631370A2 publication Critical patent/EP2631370A2/fr
Publication of EP2631370A3 publication Critical patent/EP2631370A3/fr
Application granted granted Critical
Publication of EP2631370B1 publication Critical patent/EP2631370B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/124—Shaft entirely made of synthetic material

Definitions

  • the invention relates to a usually arranged at ground level in the underground underfloor shaft, as it is needed to lead underground cables in the subfloor shaft laterally in and out and usually in the underfloor shaft connecting the incoming and outgoing cables and against external moisture by means of a sleeve , usually a potting sleeve, seal.
  • Such underfloor shaft has a trough-shaped main body, which is embedded in the ground and ends with its upper edge approximately flush with the earth's surface, and in which the cable connections are housed.
  • the entire top of the main body forming opening is closed by an attached solid lid, which is usually made of metal.
  • the trough-shaped main body currently usually consists mostly of concrete or sometimes metal, such as cast iron, and is usually made in one piece.
  • the problem is to introduce the underground cables already laid underground, which consequently terminate freely in a provisionally created excavation of the ground, into the main body by means of corresponding cable passages in its walls.
  • the underfloor shaft should not be completely waterproof in order to drain seepage water that has penetrated downwards, however, there must be sufficient impermeability to the penetration of the soil and large quantities of water, especially in the upper area.
  • the wall strips have either top and bottom or only on one side cable entry openings, which are initially closed by a predetermined breaking plate.
  • This wall strips overlap in the corner areas and have there consistently through from top to bottom aligned through openings, which are pushed through the construction of the cable tray after superimposing the desired number of wall strips to the desired height vertical corner rods from top to bottom, with the help of the superimposed wall strips be braced against each other.
  • this underfloor shaft Since the trough-shaped main body of this underfloor shaft is composed of several parts, it can be assembled from these items only in the excavation in the ground, which has significant advantages in that the Items much easier to be introduced into the excavation and can be introduced under the protruding into the excavation in underground cable.
  • the items are finned plastic parts - except stiffeners, which are made of metal - they are relatively light and easy to handle well in the excavation and unfavorable posture, which, given the fact that such a sub-shaft considered in the supervision quite a size of 0.8 x 1.5 m, is a significant advantage.
  • large concrete parts could only be moved with a lifting device, while individual wall parts or the posts made of plastic can be moved and used by hand.
  • the bottom parts and wall parts have a smooth outer surface, so that when installed the soil can not later slip into the open recesses between outwardly facing ribs, which regularly has a lowering of the surface around the shaft around, and can get caught in depressions of the underfloor shaft, which makes subsequent removal and removal much more difficult.
  • the wall plates in the form of the paired wall strips are arranged at the point in terms of the circumference and height of the main body, where they are actually required due to the exit point of the underground cables, so that further excavation, bending and the like of the underground cable is substantially avoided: Because preferably the entire walls of the main body consist exclusively of wall panels in which passage openings for cables can be opened if necessary.
  • the structure of the main body from bottom to top is completed, so first placed the bottom plate on the bottom of the excavation and possibly leveled, preferably already before the lower Frame placed on top of the bottom plate and was firmly connected to this.
  • the wall panels are previously formed from two mirror images of each other, so upper and lower, wall strip formed and clamped by means of clamping screws against each other.
  • grounding cables are first cut out of the wall strips of this wall panel at the points where a cable is to be passed through the cable openings, and the breakaway plates are cut out of the cable passage recesses, and only then then brought the two wall strips of this wall plate from the top and bottom of the underground cables, positioned on the already mounted underlying wall panels and then firstly clamped by means of the clamping screws, the two wall strips of this wall plate against each other and on the other hand, this wall plate in the corners with the adjacent, on the same High-lying wall panels connected.
  • a seal for example made of an elastic material, for example a foam, is inserted between the cable and the passage opening, preferably inserted in the longitudinal direction of the cable.
  • the walls of the main body are built up to the last uppermost wall parts.
  • the upper frame is placed, which in turn is fixed by means of appropriate rotary latch to the underlying wall panels.
  • the successive parts such as wall panels and frames are preferably secured against slipping transversely to its main plane, preferably by partially vertically interlocking.
  • the frames are preferably considered in two parts when viewed from above and consist of two U-shaped frame parts in order to make them easier to transport and above all to be able to produce with different lengths of free legs of the frame parts in an injection mold frame for different sizes of shafts.
  • the gap between the frame parts should be as far as possible from the joint between the bottom plates and not at the same point of the circumference.
  • the advantage of this wall structure is the ease of installation due to function separations.
  • connection in the corner area is made by having a variety of wall panels, e.g. extending in the longitudinal direction of the underfloor shaft wall panels, extending beyond the corner region and laterally in the end region have a connection device, which preferably consists in that on one wall plate vertically extending, undercut grooves are present, and the other wall plate to be connected thereto as Tongue has matching projections, which can be designed preferably also conical in the vertical insertion direction.
  • the rotary bars are preferably not directly in the corner area, but offset from this, because directly in the corner area are vertically all wall panels flush penetrating through holes available, which are used for insertion of stiffening tubes, e.g. made of metal, and then pass through the walls of the underfloor shaft from the top frame to the lower frame.
  • wall strips are usually semicircular, up or down open, cable passage depressions for the same ever the same cable diameter available, which are initially all closed by frangible plates, but there are optional wall strips for different cable diameters and if necessary, wall strips can be created , in which openings for different cable diameters are present side by side, depending on the circumstances at the installation site.
  • All other wall panels have a height equal to this height or an integer multiple thereof.
  • the wall panels can all be the same height - which is the preferred solution - namely the same high wall panels, but with different sized cable passages in it.
  • the transverse displacement of stacked wall parts is prevented by the stiffening tubes in the vertical through holes, which are preferably housed in the corner.
  • the stability of the entire main body over the height of its walls is not ensured by a single, continuous over the entire height tie rods or the like, because then this tie rod and thus the stability of the main body could be made only when the entire main body is constructed.
  • the stiffening tubes can also be used at the beginning or during the growth of the walls and then used as guide tubes for the newly aufnatural wall parts.
  • reinforcements made of flat material such as metal which is preferably placed when creating each wall plate, for example, the top of the upper wall bar before the clamping screws are used to screw these against the lower wall bar of the wall plate.
  • these flat iron also need through holes through which the next coming from above rotary latch as well as the clamping screws can pass through them in the lower wall plate.
  • the bottom plate In order not to let the bottom plate on the one hand too heavy and on the other hand to be able to bring well into the excavation, which is usually to be able to bring under it protruding underground cables, the bottom plate is preferably divided, for example, halved in the longitudinal center, or even stronger divided so that the items are easy to handle and insertable.
  • the items of the bottom plate are either plugged together or preferably connected to each other by means of the lower frame screwed thereon.
  • the height of the main body can be varied, depending on the number of superimposed wall parts.
  • the kit includes - optionally or in the basic equipment - clamping screws to screw each two wall strips to a wall plate vertically against each other and / or screw the corresponding flat metal strips for interposing between two wall panels that serve the additional stiffening.
  • kit may include a lower frame and / or a height compensation frame.
  • the main advantage of the prepared from these items main body is in the ease of installation, because in an excavation in the ground, projecting into the side of earth cables into creating such a main body, this should be possible as quickly as possible, with little effort and possible without auxiliary tools , When replacing an old shaft this should also be possible without loosening the cable connection housed in the shaft.
  • the bottom plate or the part bottom plates are placed on the bottom of the excavation, leveled there and brought to the correct height by appropriate underfilling, preferably after attaching the lower frame on top of the bottom plate.
  • the individual part of the bottom plates are then fixed against each other, for example, locked and / or put on, the joints cross-bottom frame, which is screwed into the Generalêtplatten.
  • the predetermined breaking plates of the corresponding cable passages are first removed in the wall strips and thus opened the cable passage opening, and only then the two wall strips, one from below and one from above, against the corresponding one or more Ground cable laid and the two wall strips then - as described above - fixed against each other at the appropriate location in the wall of the main body.
  • Each new layer patch wall plates is positively locked with the underlying wall panels on top of inserted rotary latch, which extend through the newly patched wall plate and into the underlying wall plate.
  • the countersunk in the upper wall plate heads of the rotary latch serve simultaneously as a locking element for the next brought up from above lower end of the next rotary latch located above.
  • the upper frame possibly previously a compensation frame for the additional height, placed on top and in turn locked by means of turning bars against the underlying elements in height.
  • the stiffening tubes in the through holes in the corner areas are either inserted only at the end of the structure of the main body, but can also be used before and then serve as a guide for the next from above réelleschiebenden wall panels, if it is no longer such with open cable passages for underground cables, because these must be the bottom wall strip be set from below, which is no longer possible with existing upstanding stiffening tubes.
  • a main body which is not completely waterproof, but is sufficiently tight at least against penetrating soil and dirt and yet allows drainage of infiltrated leachate water through the ever-present residual gaps between the assembled components through to the outside.
  • FIGS. 1a and 1b show the underfloor shaft 1 without the lid, which normally closes the open top of the illustrated main body 2 in operation.
  • plugged four strip-shaped formworks 3 are used only for casting a concrete upper end outside of the formwork 3 around. Thereafter, the formwork 3 is removed and reused and is therefore no longer present at the finished, in-service underground shaft. How best the exploded view of the Fig.
  • the main body 2 is rectangular in plan view and consists - from bottom to top - of a bottom of the main body 2 forming the bottom plate 5 and along the edge region closed rectangular peripheral wall parts 6, which are set one above the other, starting with the lower frame 14, then wall parts, each consisting of the length and the width of the circumference forming wall panels 7 , which in turn consist of a respective lower and an upper wall bar 8 a, b and an upper frame 4 placed on the uppermost wall panels 7 are the frame 4, 14 and / or the bottom plate 5 each divided in half.
  • FIGS. 2a to 2d is in each case a single wall plate 7 and the cohesion shown, the best in the exploded view of the Fig. 2 d lets recognize:
  • Each wall plate 7 consists of two identical or almost identical wall strips 8 a, b, which are arranged mirror-symmetrically to their contact surface. In the longitudinal direction 10 of the wall strips these have juxtaposed and in the longitudinal direction 10 of the wall strips 8 a, b spaced in each case semicircular cable passage recesses 13 which are open to the contact plane of the wall strips 8 a, b. In addition, these cable passage recesses 13 are closed by predetermined breaking plates 28 made of thin material and in particular close to the outside of the wall strips 8 a, b lying.
  • the wall strips 8 a, b are connected to a wall plate 7 by the wall strips with the open sides of their cable through-holes 13 are placed against each other and by means of clamping screws 15 which vertically and thus transversely to the longitudinal direction of the wall strips 8 a, b through both pass through and secured on the opposite side by means of nuts 26 , screwed against each other.
  • the wall strips 8 a, b therefore differ at most in terms of the design of their screw 17 at the free end, which may have a twist-proof recess for inserting the nut 26 at the lower wall bar 8 b.
  • sealing sleeves not shown, between the underground cables and the surrounding wall panels can be inserted.
  • the wall strips 8 a, b also have vertically extending and with respect to the two wall strips 8 a, b mutually aligned through holes 19, in the top of each of which a rotary latch 18 can be used so that it is flush with its upper face flush with the upper top of the upper wall bar 8 a completes or even set back against this down.
  • the rotary latch protrudes with its lower end - as best in Fig. 2 c to recognize - down from the lower wall bar 8 b out.
  • This rotary latch 18 are not primarily the connection of the two wall strips 8 a, b with each other, but the attachment of the already assembled wall plate 7 on the underlying wall plate 7, to which the next higher is now placed.
  • the head of the pivot bolt 18 at the upper end has a slot 18 a, which is the mouth of a disk inside undercut space which is dimensioned such that the knobs 18b one from above brought up next rotating bolt 18 into the slot plugged 18 a and the toggle 18 b in the slot 18 a can be rotated, causing it in the head of the rotary latch 18 is locked and can be pulled out of this only after he has completed the 90 ° rotation in the opposite direction.
  • a guide plate 18 c is also arranged round outer diameter, which serves as the head of the lateral guidance of the rotary latch 18 in the upper passage opening 19 .
  • a guide bush 25 can be inserted into this from below, up to the shoulder 25 a.
  • two stacked wall strips 8 a, b are connected to a wall plate 7 and connected to the underlying wall plate 7 .
  • FIG. 3 now shows on the basis of an enlarged view of the corner only for the lower wall bar 8 b a wall plate, as the connecting device is designed in the corner to connect at the same height wall panels and wall strips in the circumferential direction with each other:
  • one of the wall panels for example here the longitudinally extending wall panel, extends so far in the longitudinal direction that the entire corner area is part of this wall panel and wall strips.
  • the connecting device consists of an undercut groove 21 and a therein insertable in the vertical direction extension 20, which acts as a sliding block.
  • a layer of wall plates 7, which results in circumferentially a circumferentially closed wall portion 6 assembled by means of this connection device and then placed the entire wall portion 6 on the already existing part of the main body 2 and locked by means of the rotary latch 18 thereto.
  • FIG. 3 further shows that in the corner area additional through holes are present, which are aligned with each other and go through in the completed wall construction of the main body from top to bottom, as to the bottom plate 5 , in which they are no longer present.
  • this passage openings - preferably after completion of the main body - from above suitably sized stiffening tubes 23 are inserted, which additionally stabilize the main body 2 , since they are usually made of metal.
  • FIG. 5 shows for improved understanding the cut corner portion of a completed main body 2, from which it can be seen how the rotary latch 18 each penetrate a wall plate 7 and anchored in the head of the underlying next rotary latch 18 and latched.
  • FIG. 5 further shows that the lower edge of the outer wall of the lower wall bar and the upper frame are bent outwards and thereby overlaps the upper edge of the outer wall of the underlying upper wall bar.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Claims (11)

  1. Caisson sous chaussée (1) composé d'un corps principal (2) en forme de cuve et d'un couvercle qui ferme l'ouverture supérieure de celui-ci, le corps principal (2) comprenant
    - un châssis supérieur (4) périphérique horizontal,
    - une plaque de fond (5),
    - des parois latérales (7) composées chacune de deux bordures superposées (8a, b) avec des passages de câbles (9) entre les bordures (8a, b),
    - la plaque de fond (5) et les parois latérales (7) étant des éléments en plastique nervurés,
    - les bordures (8a, b) présentant chacune sur l'un des bords longitudinaux des cavités semi-circulaires pour le passage de câbles (13) toutes obstruées à l'origine par des opercules à briser (27) et les deux bordures (8a, b) placées symétriquement l'une contre l'autre étant superposées,
    - les parois latérales (7) étant fixées les unes aux autres par simple pression au niveau des angles du caisson sous chaussée (1) et
    - deux parois latérales (7) superposées étant fixées l'une à l'autre par simple pression,
    caractérisé en ce que
    - les parois latérales (7) voisines au niveau des angles sont enfoncées verticalement les unes dans les autres par l'intermédiaire de rainures (20) découpées verticalement légèrement en retrait et des prolongements (21) correspondants et
    - des parois latérales (7) superposées ou une paroi latérale (7) et des châssis (4, 14) également superposés sont fixés entre eux par au moins deux verrouillages rotatifs (18) orientés verticalement.
  2. Caisson sous chaussée (1) selon la revendication 1,
    caractérisé en ce que
    - entre la plaque de fond (5) et les parois latérales (7) situées au-dessus se trouve un châssis inférieur (14) périphérique horizontal, fixé par-dessous à la plaque de fond (5) en particulier par des vis traversant la plaque de fond (5) et/ou
    - les verrouillages rotatifs (18) de verrouillage et de déverrouillage nécessitent seulement une rotation de 90°.
  3. Caisson sous chaussée (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    - le châssis supérieur et le châssis inférieur (4, 14) sont constitués pour l'essentiel à l'identique et/ou
    - le châssis supérieur et/ou le châssis inférieur (4,14), vus de dessus, sont divisés en deux et sont constitués de deux éléments de châssis en forme de U (4a b, , 14a, b).
  4. Caisson sous chaussée (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    - les parois latérales (7) et les bordures (8a, b) présentent une longueur qui correspond à la longueur ou à la largeur, vue de dessus, du caisson sous chaussée et/ou
    - soit les parois latérales (7) pour le côté long soit les parois latérales (7) pour le côté étroit du caisson sous chaussée (1) s'étendent au-delà des angles, et il existe des passages (19) disposés verticalement au niveau des extrémités de ces parois latérales (7) permettant d'insérer des tubes raidisseurs (23) en particulier en métal.
  5. Caisson sous chaussée (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    - les bordures (8a, b) nervurées présentent les nervures du côté intérieur et possèdent un côté extérieur fermé lisse, et/ou
    - il existe un châssis de compensation supérieur servant à compenser la hauteur et correspondant par sa forme et sa structure au châssis supérieur (4).
  6. Caisson sous chaussée (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    - le châssis supérieur (4) présente sur le dessus, sur le côté intérieur ainsi que sur le côté extérieur des surfaces fermées lisses et les nervures sont ouvertes vers le bas, et/ou
    - deux bordures (8a, b) voisines sont fixées l'une contre l'autre par des vis de serrage (15) glissées verticalement entre les cavités pour passage de câbles (13).
  7. Caisson sous chaussée (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    - il existe des bordures (8a, b) avec des cavités pour passage de câbles (13) de différentes tailles.
  8. Caisson sous chaussée (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    - au sein d'une même bordure (8a, b), la taille des cavités pour passage de câbles (13) est toujours la même, et/ou
    - toutes les parois du corps principal (2) sont uniquement composées de bordures (8a, b) avec des cavités pour passage de câbles (13) mis à part les châssis (4, 14).
  9. Caisson sous chaussée (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    - la plaque de fond (5) présente une surface plane fermée et, en particulier, en ce que ses nervures sont ouvertes vers le bas, et/ou
    - la hauteur d'une paroi latérale (7) est identique ou un multiple entier, en particulier un multiple entier pair, de la hauteur de la paroi latérale (7) ayant les plus petites cavités pour passage de câbles (13) de la dite échelle de hauteurs.
  10. Procédé de montage du corps principal (2) d'un caisson sous chaussée dans une cavité creusée dans le sol dans laquelle arrivent des câbles enterrés avec les étapes suivantes :
    a) fixation du châssis inférieur (14) sur la plaque de fond (5),
    b) mise en place de la plaque de fond (5) dans la cavité creusée et, le cas échéant, sous les câbles enterrés arrivant latéralement,
    c) mise en place par-dessus d'une couche de parois latérales (7) avec les opercules à briser (27) intacts dans les zones sans arrivée de câbles enterrés,
    d) si des câbles enterrés arrivent à cette hauteur, mise en place par-dessus et par-dessous, contre les câbles enterrés arrivant, de deux bordures (8a, b) avec les cavités semi-circulaires pour passage de câbles (13) ouvertes par la suppression des opercules à briser (27),
    e) fixation des deux bordures (8a, b) sur une paroi latérale (7) avec des vis de serrage (15) vissées verticalement dans ces deux bordures,
    f) raccordement entre elles au niveau des angles des parois latérales (7) situées à la même hauteur,
    g) mise en place d'autres couches de parois latérales (7) conformément aux points c) à f),
    h) arrimage de chaque nouvelle paroi latérale (7) installée à la paroi latérale (7) située au-dessous, en particulier par introduction et rotation d'un verrouillage rotatif (18),
    i) mise en place du châssis supérieur (4) sur le bord supérieur des parois latérales (7) les plus élevées,
    j) introduction à la verticale par-dessus de tubes raidisseurs (23) au niveau des angles des parois du corps principal (2) sur toute la hauteur de celui-ci.
  11. Procédé selon l'une des revendications de procédé précédentes,
    caractérisé en ce que
    avant ou lors de la mise en place de la plaque de fond (5) dans la cavité creusée s'effectuent un nivellement et un comblement sous la plaque de fond (5).
EP13156084.9A 2012-02-21 2013-02-21 Cabine souterraine Not-in-force EP2631370B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012100568U DE202012100568U1 (de) 2012-02-21 2012-02-21 Unterflur-Schacht
DE102012101366A DE102012101366B3 (de) 2012-02-21 2012-02-21 Unterflur-Schacht, Bausatz zum Herstellen und Verfahren zum Einbau dafür

Publications (3)

Publication Number Publication Date
EP2631370A2 EP2631370A2 (fr) 2013-08-28
EP2631370A3 EP2631370A3 (fr) 2013-11-20
EP2631370B1 true EP2631370B1 (fr) 2016-09-28

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EP13156084.9A Not-in-force EP2631370B1 (fr) 2012-02-21 2013-02-21 Cabine souterraine

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US11338524B1 (en) 2018-10-26 2022-05-24 Afl Telecommunications Llc Method of forming a foldable or collapsible plastic and/or composite utility enclosure
US11349281B1 (en) 2018-10-26 2022-05-31 Afl Telecommunications Llc Foldable and/or collapsible plastic/composite utility enclosure
US11374386B2 (en) 2018-10-26 2022-06-28 Afl Telecommunications Llc Foldable and/or collapsible plastic/composite utility enclosure

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DE102020003345A1 (de) * 2020-06-03 2021-12-09 Langmatz Gmbh Schacht

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DE9208786U1 (de) * 1992-07-01 1992-09-10 LIC Langmatz GmbH, 8100 Garmisch-Partenkirchen Kabelschacht aus Kunststoff
DE102005016491B4 (de) * 2005-04-08 2012-12-06 Jürgen Kasper Kabel-Verteilerschacht

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US11338524B1 (en) 2018-10-26 2022-05-24 Afl Telecommunications Llc Method of forming a foldable or collapsible plastic and/or composite utility enclosure
US11349281B1 (en) 2018-10-26 2022-05-31 Afl Telecommunications Llc Foldable and/or collapsible plastic/composite utility enclosure
US11374386B2 (en) 2018-10-26 2022-06-28 Afl Telecommunications Llc Foldable and/or collapsible plastic/composite utility enclosure
US11670917B2 (en) 2018-10-26 2023-06-06 Afl Telecommunications Llc Foldable and/or collapsible plastic/composite utility enclosure
US11670918B2 (en) 2018-10-26 2023-06-06 Afl Telecommunications Llc Foldable and/or collapsible plastic/composite utility enclosure
US11766834B2 (en) 2018-10-26 2023-09-26 Afl Telecommunications Llc Method of forming a foldable or collapsible plastic/composite utility enclosure

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