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EP0526744A1 - Elément de puits et puits d'accès - Google Patents

Elément de puits et puits d'accès Download PDF

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Publication number
EP0526744A1
EP0526744A1 EP92111397A EP92111397A EP0526744A1 EP 0526744 A1 EP0526744 A1 EP 0526744A1 EP 92111397 A EP92111397 A EP 92111397A EP 92111397 A EP92111397 A EP 92111397A EP 0526744 A1 EP0526744 A1 EP 0526744A1
Authority
EP
European Patent Office
Prior art keywords
shaft
wall
elements
inspection
shaft element
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
EP92111397A
Other languages
German (de)
English (en)
Other versions
EP0526744B1 (fr
Inventor
Bernhard Kessel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0526744A1 publication Critical patent/EP0526744A1/fr
Application granted granted Critical
Publication of EP0526744B1 publication Critical patent/EP0526744B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E03F5/024—Manhole shafts or other inspection chambers; Snow-filling openings; accessories made of plastic material
    • 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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories

Definitions

  • the invention relates to a shaft element according to the preamble of claim 1, a revision shaft according to independent claim 10 and a building drainage system according to independent claim 16.
  • an inspection shaft if it is not concreted in one piece, is usually constructed from concrete shaft elements that are placed on top of one another with their edges.
  • Each shaft element is a tube section of mostly cylindrical shape, which has circumferential folds on its two opening edges, which engage when centering two shaft elements on top of one another.
  • the manhole elements are expensive to manufacture, require a lot of space for storage because they have to be stored individually, are complicated to transport due to their shape and their high weight and brittle concrete and require manipulation during storage, transport and at the Construction site hoists.
  • a load-bearing shaft base When building such a shaft from concrete shaft elements, a load-bearing shaft base must be concreted before the shaft elements are placed on top of one another. Since the concrete pipe sections cannot be drilled to the side, feed pipes can only be guided into the channel or the base of the shaft from the outset. When connecting feed pipes afterwards, they have to be dug up to the bottom of the shaft, because additional connections can only be made there. Aggressive sewer gases, e.g. Ammonia vapors penetrate through the open supply pipes and attack copper or zinc pipes (gutters, drain pipes). The cleaning of feed pipes or the shaft is difficult because a large number of the feed pipes flow deep into the channel, where there is mostly waste water and little space is available.
  • Aggressive sewer gases e.g. Ammonia vapors penetrate through the open supply pipes and attack copper or zinc pipes (gutters, drain pipes). The cleaning of feed pipes or the shaft is difficult because a large number of the feed pipes flow deep into the channel, where there is mostly waste water and little space is
  • the invention has for its object to provide a shaft element or an inspection shaft, which are more practical than the known solutions in terms of storage, transport and individual adaptability to the respective installation conditions and to provide a simple and universally usable drainage system designed using such shaft elements .
  • the plastic manhole element according to the invention is easy to manufacture in terms of shape due to its conicity, in particular if polyethylene or polyurethane is chosen as the material.
  • Several such shaft elements can be stacked for storage and transport due to the low weight and the taper to space-saving, light containers. Because of the mounting flanges, each shaft element is dimensionally stable and can be combined with other similar shaft elements to form shafts of any height.
  • the inspection shaft according to the invention is easy to assemble, since the shaft elements only need to be placed on top of one another with their matching mounting flanges without a hoist.
  • the zigzag shape of the shaft wall has no influence on the functionality of the shaft, but it does increase the dent resistance of the shaft wall. Due to their conical shape, the manhole elements can be stacked to save space, both for storage and transport. Due to the plastic construction, the shaft elements are so light that they can be easily manipulated by a worker. Large areas of connection with good tightness result from the flanges. The large-area flanges are also insensitive to damage during rough handling, which allows the shaft to be assembled quickly, in contrast to the difficult-to-manipulate and carefully placed concrete pipe sections in the known inspection shafts. Thanks to the plastic, passages can be cleared at any height and orientation, e.g.
  • the building drainage system according to claim 16 represents a departure from conventional building drainage systems, in which previously the insert parts for damage control, cleaning and maintenance and against odor nuisance were arranged in the gullies or drains in the building and the feed pipes led directly to the channel base part of the inspection shaft are, because according to the invention the feed pipes from the building or from the downpipes directly and above the channel base part into the shaft wall there flow where it corresponds to the structural conditions, and because the insert parts required for the avoidance of damage, for maintenance or cleaning or against odor or gas pollution are housed and grouped together in the interior of the inspection shaft.
  • the new system has the great advantage that the insert parts are located in the frost-free zone, so that the gullies and drainage points can be designed more easily and do not require a great depth for frost-free conditions. Since the insert parts no longer have to be installed in the building, there is a considerable simplification. Since the plastic manhole elements enable easy connection of the feed pipes at any height and with any orientation, the feed pipes do not need to be laid to the base of the channel and can also be connected to feed pipes at a later date if the inspection shaft is already installed. It then only needs to be dug up to the respective connection height and not to the base of the channel.
  • the insert parts are easily accessible in the inspection shaft for maintenance or repair work. They can be easily replaced, for example in the event of damage, or can also be replaced with other types of insert. Because of the distribution of the insert parts and the connections over the shaft wall, the individual connections and their insert parts are easily accessible and there is also enough space in the channel base part for revision or cleaning work.
  • the shaft element according to claim 2 has the advantage of simple demoldability, low weight and uniform shape stability. A large number of such shaft elements can be stored and transported in the smallest space by stacking one inside the other, the inner shaft element being able to be pushed very far into the outer shaft element due to the inward mounting flanges, so that even with a large number of stacked shaft elements only a small height is claimed.
  • the embodiment according to claim 3 is advantageous, which can be easily molded from plastic and is stackable.
  • the embodiment of claim 4 is characterized by a uniformly high dent resistance of the wall.
  • the embodiment of claim 5 is particularly important because the necessary passage for inserting an insert or a feed pipe can be exposed in the wall area with little effort. It only needs to be drilled a hole, by means of which a clean passage for a ring seal is then cut out with a circular drill as with tile cutting, through which the pipe or the insert part can be plugged in and tightly fixed.
  • the flat wall area is easy to manufacture in terms of shape. With a conventional screw holder, a flat pipe or insert can be easily fixed and durable due to the flatness of the flat. Due to the structural integration of the wall flat into the curved wall, this area of the shaft element is very stable, so that a pipe or insert part connected there is held securely and thus tightly.
  • the proportions according to claim 6 are advantageous.
  • the weight and size of such shaft elements allow easy handling even by just one person.
  • the desired high dent resistance, a pleasing appearance and easy release from the mold is given in the embodiment according to claim 7.
  • the course of the stiffening ribs is also advantageous for dense stacking.
  • claims 8 and 9 are also expedient because the points of attack simplify the attachment of the connecting parts with which a permanent connection between stacked shaft elements can be established. Particularly in the case of the narrower opening edge, a circumferential bead is formed in the outside of the wall, into which a comprehensive tensioning strap, each with an angled edge, engages and thus holds the stacked shaft elements together.
  • the gaskets inserted into the flange surfaces offer a shaft that is sealed over the full height after assembly and fixing with the tensioning strap.
  • manhole elements can be used particularly advantageously for the production of all types of inspection manholes, ie not only in wastewater technology but also in applications len, where installations installed in the ground or in the ground need to be inspected, serviced or repaired.
  • the inward, superimposed mounting flanges are used mainly for stiffening, also give a good support surface, which contribute to the seal with the seal used.
  • the inspection shaft according to claim 11 is advantageous in terms of storage, transport and assembly of its individual parts, because the shaft elements that form the later shaft wall can be stacked tightly and are so light that they can be manipulated practically by one person without any problems. Because of the rotationally symmetrical shape, it is not necessary to pay attention to their relative rotational position when the shaft elements are placed one on top of the other. Stackability would also be possible if an oval or polygonal, that is to say quadrangular, hexagonal or octagonal cross-sectional shape was selected instead of the round shape.
  • the feature of claim 12 is also important, because the per se light shaft elements are permanently firmly connected to one another and do not slip relative to one another.
  • the measures of claim 13 are also expedient because of a clean centering between the shaft elements or the possibility of making the connection areas tight.
  • the stability of the shaft wall is achieved with the attached ribs, which can sit outside and / or inside.
  • pipes with or without insert parts are connected in freely selectable height ranges and from freely selectable directions, with the sealing collar or the ring seal, despite the curved wall, achieving a good sealing seat, while in the flat wall flat areas with the screw holder, a firm one anyway , tight and resilient fit for the pipe or insert is achieved.
  • a shaft element E according to FIG. 1 is a conical plastic molded part F with a further opening edge W and a narrower opening edge K, delimited by a peripheral wall 1 with an inside 2 and an outside 3.
  • the shaft element E is a truncated cone with a cone angle a, which is expediently between 4 ° and 15 °, preferably about 6 °.
  • the wall 1 is therefore inclined at an angle ⁇ , which is between 2 ° and 8 °, preferably approximately 3 °, with respect to the longitudinal axis of the shaft element E.
  • the shaft element E can also be formed with an oval or polygonal cross section and inclined wall 1.
  • a polygonal cross-section is expediently designed as a regular square, hexagon or octagon.
  • an outward attachment flange 4 is formed in one piece, while an inward attachment flange 5 is provided at the narrower opening edge K.
  • Longitudinal stiffening ribs 7, 8 are formed on the inside and / or outside 2, 3, which expediently extend over almost the entire height h of the shaft element E and are arranged at regular or irregular intervals.
  • At least one flat wall flat 6 is formed in the wall 1 between the stiffening ribs 7, 8. If necessary, several such flat wall areas 6 are distributed over the wall 1. In the embodiment shown, the wall flat 6 is approximately parallel to the longitudinal axis of the shaft element E. Furthermore, free wall areas 9 are provided in the wall 1 of stiffening ribs 7, 8.
  • the wall area 9 has a size which corresponds at least to the cross section of standardized sewage pipes or connecting pipe sockets of insert parts. If the stiffening ribs 7, 8 are arranged tightly due to the buckling resistance of the wall, then the stiffening ribs in the wall area 9 or in the wall flat 10 can be omitted.
  • the wall area 9, like the wall flat 6, serves for the optional connection of a pipe or for inserting the connecting piece of an insert part; in the latter case for fixing an insert part inside the shaft element E with a connection option to the outside.
  • an axis 11 is indicated for a pipe which is inserted through a passage 10 to be exposed in the wall 1.
  • a predetermined breaking or separation zone B can be preformed be, for example in the form of concentric circles of different diameters, in order to simplify the exposure of the passage 10 in the size desired in each case. Since the parts are made of plastic, it is not difficult to drill a hole of the desired size in the wall and fix the inlet pipe in it.
  • Attack points 12 e.g. a suit slope, molded for a shaft element connecting part.
  • points of attack 13 are also formed on the outside in the form of a surrounding bead for a connecting part, such as a tension band which engages with the outside edges of the beads. But it is also conceivable to provide 5 points of attack for a connecting part on the inner mounting flange.
  • the shaft element E expediently consists of polyethylene or polyurethane and has a height h of approximately 50 cm with an average width g of approximately 75 cm.
  • the wall thickness e is approximately 1 to 2 cm, while the width c of the outer mounting flange 4 is approximately 6 cm and the width d of the inner mounting flange 5 is approximately 4 cm.
  • the shaft element E can easily be carried and manipulated by one person.
  • Several of the same shaft elements E can be stacked one inside the other (indicated by dashed lines) in order to save space during storage and transport.
  • the stiffening ribs 7, 8 are designed such that they each start at the flange 4 or 5 and run obliquely to the opposite opening edge W or K down to zero.
  • Centering devices Z can be preformed on the flanges 4, 5, which when two or more shaft elements are placed one on top of the other, each with an external mounting flange 4 against an external mounting flange 4 or an internal mounting flange 5 against an internal mounting flange 5, and center the shaft elements. Grooves for sealing elements can also be provided there.
  • a shaft can be produced with only one shaft element E according to FIG. 1, e.g. a revision shaft in wastewater technology or a revision shaft for a separating device, for which the shaft element E is placed either in the position shown in FIG. 1 with the inner mounting flange 5 down on a small part or a base in a separating device before a conventional shaft cover is provided above becomes.
  • the shaft element E in the reverse position with the outer mounting flange 4 facing downward and to attach the usual shaft cover at the top or to insert a height compensation element, expediently by means of a seal, into the inner mounting flange 5 from above.
  • a tube can be inserted in the wall area 9 and / or in the wall flat 6.
  • an inspection shaft S is assembled from a plurality of stacked shaft elements E according to FIG. 1, namely from three shaft elements E which define the shaft wall D via the shaft height H.
  • several shaft elements E can also be stacked, e.g. for a 3 m deep inspection shaft six shaft elements E.
  • the shaft elements E are placed one on top of the other with their inner attachment flanges 5 or with their outer attachment flanges 4, so that there is a zigzag shape of the shaft wall D in a longitudinal section.
  • Recesses 37 for receiving seals 38 are provided in each of the mounting flanges in order to obtain a sealed shaft in the assembled state.
  • the shaft elements E are expediently firmly connected to one another with connecting parts V (clamping rings or retaining clips with clamping screws).
  • connecting parts V clamping rings or retaining clips with clamping screws.
  • a circumferential bead designed as a point of engagement (13) is provided in the outside 3 of the wall 1, into which the clamping ring engages with an edge for holding together.
  • the inspection shaft S according to Figure 2 is used for wastewater purposes e.g. for house drainage.
  • a base part G which defines the channel of the inspection shaft S and is connected to the further channel system via a connecting piece 23, sits on a shaft base 26, which is expediently concreted.
  • An insert part K namely a cleaning tube with at least one backflow stop in a base body 24 and a removable cleaning cover 25 is defined in base part G so that a tube can be inserted into the connecting piece 27.
  • a passage 15 is exposed in the wall area 9, e.g. by drilling and then cutting out with a circular cutter into which an annular seal 16 is knotted, through which the end of the tube 17 is inserted in a sealed manner.
  • a passage 18 is exposed in order to fix an insert R, here a backflow trap with a backflow flap 21.
  • the insert R has an external connection piece 20, 22 and is fixed in a sealed manner in the passage 18 with a screw holder 19, so that a pipe piece 20 projects into the interior.
  • Another tube can also open into the lowest shaft element E.
  • shaft elements E according to FIG. 1 can have a plurality of wall areas 9 and wall flat areas 6, insert parts or connecting pipes can be provided freely at different heights and different orientations with respect to the longitudinal axis of the inspection shaft S, either when the inspection shaft is being installed or at a later point in time . It then need not be dug up to the shaft bottom 26.
  • the inspection shaft S not only offers the advantage of being able to attach connections freely from the start or at any height and orientation, but is also easy to inspect during cleaning or inspection work. Because the pipes and the insert parts are distributed over the shaft wall height H, there is unimpeded access to the pipe mouths and the insert parts, but also to the installations at the bottom of the shaft, where all connection pipes and drains usually have to be arranged in concrete inspection shafts. Furthermore, because there is enough space outside the sump area to provide insert parts such as odor traps or backflow traps, the back pressure of sewer gases or a backflow is prevented within the inspection shaft, making the house installations easier to design.
  • FIG. 3 schematically shows a building drainage system C with a central inspection shaft S, which is formed from the shaft elements E according to FIG. 1 in the manner shown in FIG. 2.
  • the channel base part G of the inspection shaft S is connected to the sewer 29 via the pipe socket 23.
  • a pipe 34 is connected via the pipe socket 27, the waste water from a basin 35 arranged in the basement of a building, a floor drain 36 or other deep Installs installations.
  • the pipe 17 indicated on the right is connected to toilets in the building and leads sewage containing faeces into the inspection shaft S, just below the shaft cover A.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
EP92111397A 1991-07-05 1992-07-04 Elément de puits et puits d'accès Expired - Lifetime EP0526744B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4122299 1991-07-05
DE4122299A DE4122299C2 (de) 1991-07-05 1991-07-05 Schacht

Publications (2)

Publication Number Publication Date
EP0526744A1 true EP0526744A1 (fr) 1993-02-10
EP0526744B1 EP0526744B1 (fr) 1995-10-25

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ID=6435514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92111397A Expired - Lifetime EP0526744B1 (fr) 1991-07-05 1992-07-04 Elément de puits et puits d'accès

Country Status (3)

Country Link
EP (1) EP0526744B1 (fr)
DE (2) DE4122299C2 (fr)
ES (1) ES2081526T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2274297A (en) * 1993-01-13 1994-07-20 Mokhtar Kourgli Underground chamber
FR2701500A1 (fr) * 1993-02-12 1994-08-19 Girard Rene Chambre de visite pour conduite souterraine, notamment une conduite de réseau d'égout.
NL9302290A (nl) * 1993-12-31 1995-07-17 Ka Techniek B V Schacht.
GB2295791A (en) * 1994-12-06 1996-06-12 Rotational Mouldings Ltd A riser for a modular manhole comprising a rotational moulding having a continuous outer wall enclosing a space filled with a foam material
EP0828030A3 (fr) * 1996-09-04 1999-06-02 AKTUAL BAUTEILE UND UMWELTSCHUTZSYSTEME GmbH & Co. KG Regard pour l'engazonnement et/ou le recouvrement par gravier d'un toit
EP1281910A3 (fr) * 2001-08-04 2004-03-10 Peter Stadlmayer Arrangement de chemisage pour tuyaux
EP1452647A1 (fr) * 2003-02-27 2004-09-01 Bernd Eberle Obturation des puits
US11021848B1 (en) 2012-06-14 2021-06-01 Jerry L. McKinney Riser sections and risers made therefrom

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315535C2 (de) * 1993-05-10 1997-01-09 Kordes Klaeranlagen U Pumpwerk Kunststoff-Schacht
DE9309301U1 (de) * 1993-06-22 1993-09-02 Kessel, Bernhard, 85101 Lenting Schacht oder Behälter
RU2188910C2 (ru) * 2000-05-10 2002-09-10 Ховрин Валерий Александрович Многосекционный проходной колодец
DE20008800U1 (de) * 2000-05-16 2000-08-24 Kessel GmbH, 85101 Lenting Verteilschacht und Schachtwand-Modul für Verteilschacht
DE202005010487U1 (de) * 2005-06-29 2006-08-10 Rehau Ag + Co. Schachtunterteil
PL1961878T3 (pl) 2007-02-22 2010-12-31 Kessel Ag Pierścień szybowy
WO2009137848A2 (fr) * 2008-05-12 2009-11-19 Abraham Christoffel Van Wyk Puits et procédé de construction d'un puits
DE102011055400A1 (de) 2011-11-16 2013-05-16 Egeplast Werner Strumann Gmbh & Co. Kg Aus Modulen aufgebauter Schacht
US11427400B2 (en) 2014-07-28 2022-08-30 Infiltrator Water Technologies Llc Taper-wall riser with tab connectors
WO2017142878A1 (fr) * 2016-02-15 2017-08-24 Infiltrator Water Technologies, Llc Colonne montante à paroi conique à raccords à languette
DE202017100028U1 (de) * 2017-01-05 2018-04-06 Rehau Ag + Co Retentionsschacht
DE102017126013A1 (de) * 2017-11-07 2019-05-09 HATIBA Handelsgesellschaft für Tiefbauprodukte mbH Vorrichtung zur Entwässerung einer Fläche

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1609143A1 (de) * 1965-01-29 1970-03-26 W J Van De Kerke En Zoon Nv Inspektionsschacht
FR2174459A6 (fr) * 1972-03-03 1973-10-12 Bigotte Claude
FR2509343A1 (fr) * 1981-07-10 1983-01-14 Seperef Regard de visite pour canalisations d'assainissement
DE8500005U1 (de) * 1985-01-02 1986-03-13 Blum, Albert, 5204 Lohmar Fertigschacht
EP0358857A1 (fr) * 1988-08-30 1990-03-21 FRÄNKISCHE ROHRWERKE, GEBR. KIRCHNER GmbH & Co. Regard de drainage
WO1990002847A1 (fr) * 1988-09-02 1990-03-22 Action Products Marketing Corporation Appareil et procede de revetement interieur de trou d'homme coule sur place

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1434785A1 (de) * 1964-03-02 1968-11-28 Fritz Reinke Aus Fertigteilen zusammengesetzter Hohlkoerper
SE319735B (fr) * 1966-08-23 1970-01-19 Stenberg Flygt Ab
GB2035413B (en) * 1978-09-05 1982-09-29 Reed International Ltd Drainage inspection chamber
IT8400517U1 (it) * 1984-02-10 1985-08-10 Riccini S R L Pozzetto componibile, realizzato in PVC o in altri materiali polimerici
IT8403807U1 (it) * 1984-03-02 1985-09-02 Comel Michelangelo Base universale poliedrica di raccordo per tubazioni di pozzetti di fognature
DE3824228C1 (en) * 1988-07-16 1989-10-26 Manfred 5210 Troisdorf De Hawerkamp Shaft, in particular for landfill sites
DE9005405U1 (de) * 1990-05-12 1990-08-02 Passavant-Werke AG, 6209 Aarbergen Schlammfang

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1609143A1 (de) * 1965-01-29 1970-03-26 W J Van De Kerke En Zoon Nv Inspektionsschacht
FR2174459A6 (fr) * 1972-03-03 1973-10-12 Bigotte Claude
FR2509343A1 (fr) * 1981-07-10 1983-01-14 Seperef Regard de visite pour canalisations d'assainissement
DE8500005U1 (de) * 1985-01-02 1986-03-13 Blum, Albert, 5204 Lohmar Fertigschacht
EP0358857A1 (fr) * 1988-08-30 1990-03-21 FRÄNKISCHE ROHRWERKE, GEBR. KIRCHNER GmbH & Co. Regard de drainage
WO1990002847A1 (fr) * 1988-09-02 1990-03-22 Action Products Marketing Corporation Appareil et procede de revetement interieur de trou d'homme coule sur place

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2274297A (en) * 1993-01-13 1994-07-20 Mokhtar Kourgli Underground chamber
GB2274297B (en) * 1993-01-13 1996-01-10 Mokhtar Kourgli Underground chamber
US5542780A (en) * 1993-01-13 1996-08-06 Kourgli; Mokhtar Underground chamber
FR2701500A1 (fr) * 1993-02-12 1994-08-19 Girard Rene Chambre de visite pour conduite souterraine, notamment une conduite de réseau d'égout.
NL9302290A (nl) * 1993-12-31 1995-07-17 Ka Techniek B V Schacht.
GB2295791A (en) * 1994-12-06 1996-06-12 Rotational Mouldings Ltd A riser for a modular manhole comprising a rotational moulding having a continuous outer wall enclosing a space filled with a foam material
GB2295791B (en) * 1994-12-06 1998-04-08 Rotational Mouldings Ltd Riser for a modular manhole
EP0828030A3 (fr) * 1996-09-04 1999-06-02 AKTUAL BAUTEILE UND UMWELTSCHUTZSYSTEME GmbH & Co. KG Regard pour l'engazonnement et/ou le recouvrement par gravier d'un toit
EP1281910A3 (fr) * 2001-08-04 2004-03-10 Peter Stadlmayer Arrangement de chemisage pour tuyaux
EP1452647A1 (fr) * 2003-02-27 2004-09-01 Bernd Eberle Obturation des puits
US11021848B1 (en) 2012-06-14 2021-06-01 Jerry L. McKinney Riser sections and risers made therefrom

Also Published As

Publication number Publication date
ES2081526T3 (es) 1996-03-16
DE4122299C2 (de) 1996-05-23
EP0526744B1 (fr) 1995-10-25
DE4122299A1 (de) 1993-01-14
DE59204109D1 (de) 1995-11-30

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