EP1141495B1 - Base of a gully - Google Patents

Base of a gully Download PDF

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Publication number
EP1141495B1
EP1141495B1 EP99963697A EP99963697A EP1141495B1 EP 1141495 B1 EP1141495 B1 EP 1141495B1 EP 99963697 A EP99963697 A EP 99963697A EP 99963697 A EP99963697 A EP 99963697A EP 1141495 B1 EP1141495 B1 EP 1141495B1
Authority
EP
European Patent Office
Prior art keywords
base
pipe connection
bearing surface
circumferential wall
connection socket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99963697A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1141495A1 (en
Inventor
Markus Wilhelmus Johannes Besten
Berend Jan Van Dijk
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.)
Wavin BV
Original Assignee
Wavin BV
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 Wavin BV filed Critical Wavin BV
Publication of EP1141495A1 publication Critical patent/EP1141495A1/en
Application granted granted Critical
Publication of EP1141495B1 publication Critical patent/EP1141495B1/en
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
    • E03F5/021—Connection of sewer pipes to manhole shaft
    • 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 base of a gully which is to be placed in the ground, to which gully base one or more pipes can be connected, for draining away liquid which enters the gully base via a gully opening and/or for guiding through liquid which reaches the gully base via one or more pipes connected to the gully base to one or more further pipes which are connected to the gully base.
  • Gullies with a gully base of this nature are often used in sewage and rainwater drainage systems.
  • the gully may, for example, be a street inlet with a gully opening which is protected by a (pivotable) cover which is often in the form of a grate on the top side, although the gully may also, for example, be a large inspection gully with a manhole on the top side and a tubular shaft between the manhole and the gully base, which provides space for the person carrying out the inspection.
  • the base may be integral with the remainder of the gully, for example may be made entirely from plastic, but may also be a separate component which is combined with other components to form a gully.
  • gullies described above, and in particular their gully bases are produced in a large number of different designs in order to have a suitable gully base for numerous different connection situations.
  • a connection situation is determined in particular by the number of pipes which are to be connected and the position of the pipes with respect to the gully.
  • connection for a pipe is provided with a ball joint.
  • part of the ball joint is arranged fixedly on the circumferential wall of the base, and the other part is a pipe connection socket with an insertion opening for a pipe which is to be connected to the gully.
  • the ball joint permits pivoting through an angle of 15° in all directions between the pipe and the axis of the fixed part of the pivot joint.
  • a drawback of this known base is that the pivot joint is only able to withstand a low tensile load, with the consequent risk of the pipe connection socket coming out of the fixed part of the pivot joint.
  • a further problem is that in practice the diameter and the wall thickness of the pipes which are to be connected may vary. In the known base, it is then necessary to use a dimensionally adapted pivot joint each time, and consequently it is necessary for the entire pivot joint to be removable from the circumferential wall of the base. This is undesirable. Also, it is desirable for the flow path for the liquid, i.e. the bottom area of the channel through which the liquid flows, to be as flat as possible and to be free from obstacles even in the event of the dimensions of the pipes which are to be connected differing.
  • the known pivot joint does not offer any solution to this problem.
  • the object of the present invention is to eliminate the abovementioned problems and to provide a gully base which provides sufficient freedom in practice to position the pipe or pipes with respect to the gully base while avoiding any leakage problems.
  • a further object of the invention is to provide a gully base which is easy to produce, and also to allow ease of handling and positioning of the base and of connection of the pipe or pipes.
  • a further object of the invention is to provide a base which avoids obstacles in the flow path for the liquid.
  • the invention provides a gully base according to claim 1. Further advantageous embodiments of the gully base according to the invention are described in the subclaims and the following description with reference to the drawing, in which:
  • Figures 1 and 2 show a gully base 1, which is made from plastic, of a gully which is to be placed in the ground.
  • Two pipes can be connected to this gully base 1, at right angles to one another. These pipes and the gully form part, for example, of a sewage or rainwater drainage system.
  • the gully may be provided with a gully opening, for example with a grate-like pivoting cover on the top side of the gully, through which rainwater can enter the base 1 and is drained away via one of the pipes.
  • the other pipe may then form the connection to a gully located further away.
  • the gully base 1 has a base wall 2 and an outer circumferential wall 3, which in this example is substantially cylindrical. At the bottom edge of the circumferential wall 3, there is a covering plate 4 which closes off the space 5 beneath the base wall 2 formed.
  • a pipe connection socket 7 is provided in the cicumferential wall 3 for connection of each of the pipes 6, one of which is shown in Figure 1.
  • This pipe connection socket 7 connects the pipe 6 to the internal liquid-conveying chamber 8 of the gully base 1, which in this case comprises a connecting gutter which is delimited by the base wall 2 formed, is bent at right angles and is open at the top.
  • the pipe connection socket 7 is in this case pivotably connected to the outer circumferential wall 3 of the gully base 1 via a pivot joint 10 which is provided with a passage for liquid.
  • An annular part 11 is formed integrally in the circumferential wall 3 at the connection opening for a pipe.
  • the part 11 delimits an internal annular first bearing surface 14, which first bearing surface 14 forms a ring segment of a spherical surface (with radius R1) and is such that its internal diameter increases outwards.
  • the pipe connection socket 7 has a section 12.
  • the free end part 15 of the section 12 bears against the first bearing surface 14 of the part 11 of the circumferential wall 3 in any pivoted position of the pipe connection socket.
  • the end part 15 is provided with an elastic sealing ring 16 which bears against the first bearing surface 14 of the part 11 in such a way as to form a seal.
  • the pivot joint shown in Figures 1 and 2 is designed in such a way that the pivoting movement of the pipe connection socket 7 with respect to the circumferential wall 3 is substantially limited to a single plane, transversely with respect to the circumferential wall. This is done in this case in particular to ensure that the base 1 provides support for the pipes 6 connected thereto in the vertical direction.
  • the circumferential wall 3 is furthermore provided with a fixed, annular wall part 13 which projects outwards in part, is positioned around the pipe connection socket 7 and has a larger diameter than the pipe connection socket 7 which fits into it.
  • An annular attachment component 20 which is shown in detail in Figures 4-7, is arranged releasably in the projecting section of the wall part 13.
  • the attachment component 20 on the one hand is used to attach the pipe connection socket 7 to the circumferential wall, and on the other hand forms part of the pivot joint.
  • the part 20 forms a passage opening 21 for the connection socket 7, this passage opening 21 in one direction, in this case the vertical direction, being of substantially the same size as the external diameter of that section of the connection socket 7 which fits through it, and in a direction perpendicular to this direction, is of a diameter which is greater than the external diameter of that section of the connection socket 7 which fits through it.
  • the part 20 furthermore forms an internal annular second bearing surface 22 for the connection socket 7, which second bearing surface 22 is located on the outside with respect to the first bearing surface 14, and which second bearing surface 22 is a ring segment of a spherical surface (with radius R2), which is arranged in such a manner that its internal diameter decreases outwards.
  • connection socket 7 bears against the second bearing surface 22 by way of two external circumferential ribs 23.
  • the radius (R2) of the spherical surface associated with the second bearing -surface 22 is greater than the radius (R1) of the spherical surface associated with the first bearing surface 14.
  • the part 20 is provided with click-in fingers 25 which are located diametrically opposite one another and engage in associated recesses in the wall part 13.
  • the click-in fingers 25 in this case form a releasable snap connection, although it is also possible for the click-in fingers to be such that a permanent connection is produced.
  • pivots 26 which lie diametrically opposite one another and project outwards. These pivots 26 each fit into an associated curved slot-like recess 27 in the part 20, the said slot-like recesses being positioned vertically above one another. In this way, the substantially vertical pivot axis is defined, and the pipe connection socket 7 is also prevented from rotating about its axis.
  • Figure 2 also shows that the circumferential wall 3 of the gully base 1 is provided, at its top free end, with a supporting edge 28 for another component of the gully, in particular a shaft element, to be placed thereon.
  • the outer circumferential wall 3 is also provided with reinforcement ribs 29 which extend around it.
  • the pipe connection socket 7 is a simple insertion socket in which the pipe 6 is adhesively bonded in place.
  • the transition to part 12 forms a stop for the insertion depth of the pipe.
  • the pipe insertion socket 7 may also be of different design, for example may be provided with one or more internal sealing rings for a pipe to be inserted in a sealed manner.
  • any transitions in the wall of the flow passage for the liquid are preferably gradual, in particular sharp transition edges are avoided, in order in this way to ensure that there can be no settling of dirt, sand or other items, such as for example sticks and leaves, which are present in the liquid.
  • the gully base is furthermore preferably designed in such a manner that, where two gullies are arranged at a distance from one another, connected by a pipe, it is possible to visually inspect the pipe from the gullies. In the case of a large gully, this visual inspection can be carried out by a person who has been lowered into the gully, while in the case of relatively small gullies it can be carried out, for example, using a type of periscope.
  • Figures 8-12 show a second exemplary embodiment of a base 100 according to the invention, which is made from plastic, of a gully which is to be placed in the ground. Pipes can be connected to this base 100 at two diametrically opposite locations.
  • the base 100 has a bottom wall 102 and an outer circumferential wall 103.
  • the bottom wall 102 forms a connecting gutter 104 which is open at the top.
  • a pivotably arranged pipe connection socket 105 is provided in the circumferential wall 103 at each end of the connecting gutter 104, in order for a pipe to be connected to the base 100.
  • These pipe connection sockets 105 are omitted in Figures 8-12, for the sake of clarity.
  • Figures 13-16 show the pipe connection socket in detail.
  • Each pipe connection socket 105 is attached to the circumferential wall 103 with the aid of an annular attachment component 108.
  • the said component 108 is shown in detail in Figure 17, but is omitted in the other figures.
  • annular part 110 is formed integrally in the circumferential wall 103.
  • the part 110 delimits an internal, annular first bearing surface 114, which first bearing surface 114 forms a ring segment of a spherical surface (with radius R1) and is such that its internal diameter increases outwards.
  • the pipe connection socket 105 On or near its free end facing towards the circumferential wall 103, the pipe connection socket 105 has an end part 112 which interacts with the part 110 and is provided with an external annular sealing surface 115, which bears against the first bearing surface 114 of the part 110 of the circumferential wall 103 in a sealing manner in any pivoted position of the pipe connection socket 105.
  • the end part 112 may be of slightly flexible design and may be produced, for example, from a different material from the rest of the pipe connection socket 105.
  • the end part 112 may be made from a thermoplastic rubber, in which case the pipe connection socket 105 is preferably produced by means of the co-injection of suitable plastic materials.
  • the sealing surface 115 is preferably designed as a ring segment of a spherical surface with a radius R2 which is virtually the same as the radius R1 of bearing surface 114.
  • the circumferential wall 103 is furthermore provided with an annular wall 120.
  • the annular wall 120 has a greater internal diameter over its length than the radius R1 of the bearing surface 114, and in the fitted position of the base 100 the pipe connection socket 105 fits into the annular wall 120.
  • the annular wall 120 In the vicinity of its free end, the annular wall 120 is provided with an attachment groove 121, into which the attachment component 108 can be click-fitted by means of an edge 122 thereof.
  • the snap connection between the component 108 and the annular wall 120 is of the permanent type, which means that the connection can only be released through damaging the component 108.
  • the annular wall 120 is not completely cylindrical on the inside and, on the inside, forms a ring segment 124 of a spherical surface of radius R3a, which radius R3a is greater than the radius R1.
  • the internal diameter increases outwards with respect to the centre of the base.
  • the component 108 is provided with a ring segment 125 which forms part of a spherical surface of radius R3b.
  • the radius R3b substantially corresponds to the radius R3a. If the component 108 is fitted in the circumferential wall 103, the ring segments 124 and 125 together form a second annular bearing surface of the circumferential wall 103, with a shape corresponding to a ring segment of a spherical surface of radius R3a, R3b.
  • the pipe connection socket 105 On its outer circumference, the pipe connection socket 105 is provided with a plurality of circumferential ribs 130.
  • the radial end faces of these ribs 130 more or less delimit a ring segment of a spherical surface with radius R4, which radius R4 substantially corresponds to the radii R3a, R3b.
  • R4 substantially corresponds to the radii R3a, R3b.
  • a sealing ring 132 is positioned between two ribs 130 and on the inside bears against a supporting rib 133.
  • the pipe connection socket 105 may adopt a variable angular position in all directions with respect to the circumferential wall 103. In the embodiment illustrated, an angle of approximately 8° is possible with respect to the right-angled position.
  • the pipe connection socket 105 is arranged releasably on the circumferential wall 103. This makes it possible to adapt the size of the pipe connection socket 105 to the size of the pipe which is to be connected.
  • a system is then also provided which comprises a base with a plurality of different pipe connection sockets, the sizes of the interacting parts of the circumferential wall and the pipe connection socket being identical in each case.
  • the invention allows the base to be suitable for connection to each of these sizes of pipes, in such a manner that there is no obstacle formed in the flow path of the liquid flowing through the pipe and the gully.
  • the centre axis 138 of the pipe insertion opening 139 of a pipe connection socket 105 is located eccentrically with respect to the centre of the radius R4. It can also be seen in Figure 14 that the centre of the radius R2 is vertically offset with respect to the centre of the radius R4.
  • the vertical offset is preferably 5.5 millimetres. This allows the following effect to be achieved:

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Joints Allowing Movement (AREA)
  • Sewage (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Junction Field-Effect Transistors (AREA)
  • Finger-Pressure Massage (AREA)
  • Road Paving Structures (AREA)
  • Weting (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Closures For Containers (AREA)
  • Retaining Walls (AREA)
EP99963697A 1998-12-24 1999-12-23 Base of a gully Expired - Lifetime EP1141495B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1010902 1998-12-24
NL1010902A NL1010902C2 (nl) 1998-12-24 1998-12-24 Putbodemelement.
PCT/NL1999/000801 WO2000039411A1 (en) 1998-12-24 1999-12-23 Base of a gully

Publications (2)

Publication Number Publication Date
EP1141495A1 EP1141495A1 (en) 2001-10-10
EP1141495B1 true EP1141495B1 (en) 2003-08-06

Family

ID=19768375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99963697A Expired - Lifetime EP1141495B1 (en) 1998-12-24 1999-12-23 Base of a gully

Country Status (12)

Country Link
EP (1) EP1141495B1 (hu)
AT (1) ATE246754T1 (hu)
AU (1) AU2006900A (hu)
CZ (1) CZ299299B6 (hu)
DE (1) DE69910259T2 (hu)
DK (1) DK1141495T3 (hu)
ES (1) ES2205927T3 (hu)
HU (1) HU224102B1 (hu)
NL (1) NL1010902C2 (hu)
PL (1) PL196189B1 (hu)
PT (1) PT1141495E (hu)
WO (1) WO2000039411A1 (hu)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925756A1 (fr) 2006-11-23 2008-05-28 Wavin B.V. Regard d'inspection pour réseau de canalisations, comprenant au moins un manchon de raccordement renfermant un élément de liaison pivotant
CN110691882A (zh) * 2017-05-31 2020-01-14 韦文有限公司 检查室部件

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1021221C2 (nl) * 2002-08-06 2004-02-10 Wavin Bv Werkwijze voor de vervaardiging van een kunststof putbodemelement.
DE202005010487U1 (de) * 2005-06-29 2006-08-10 Rehau Ag + Co. Schachtunterteil
DE102015215255A1 (de) 2015-08-11 2017-02-16 Ralph Peter Hegler Schacht-Grundkörper aus Kunststoff für einen Inspektions- beziehungsweise Revisions-Schacht
NL2026033B1 (en) 2020-07-09 2022-03-11 Wavin Bv Pivot joints, kits of parts for assembling pivot joints, manhole bases, manholes, water transport systems, and methods of assembling water transport systems
NL2026036B1 (en) 2020-07-09 2022-03-15 Wavin Bv An inspection chamber base or manhole base, an inspection chamber or manhole, a plug for an inspection chamber base or a manhole base

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2144987C2 (de) * 1971-09-08 1982-04-22 Joseph Salim Esher Surrey Peress Winkelbewegliche Gelenkverbindung
DE2542661A1 (de) * 1975-09-25 1977-03-31 Weigand Heinz Kastenfoermiges unterteil eines kontrollschachts fuer kanalisationsrohre
DE2553388A1 (de) * 1975-11-27 1977-06-02 Schoeck Betonelemente Gmbh Vorgefertigter kanalisationsschacht mit rohranschlusstuecken
FR2555284B1 (fr) * 1983-11-18 1986-07-18 Perruche Daniel Joint etanche et dispositif de raccordement pour des canalisations, notamment sur des installations de voirie
DE8500005U1 (de) * 1985-01-02 1986-03-13 Blum, Albert, 5204 Lohmar Fertigschacht
FR2674935B1 (fr) * 1991-04-08 1993-11-12 Urba Dispositif de raccordement de conduites ou canalisations cylindriques et procede pour sa mise en óoeuvre.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925756A1 (fr) 2006-11-23 2008-05-28 Wavin B.V. Regard d'inspection pour réseau de canalisations, comprenant au moins un manchon de raccordement renfermant un élément de liaison pivotant
CN110691882A (zh) * 2017-05-31 2020-01-14 韦文有限公司 检查室部件
CN110691882B (zh) * 2017-05-31 2021-07-20 韦文有限公司 检查室部件

Also Published As

Publication number Publication date
PT1141495E (pt) 2003-12-31
DE69910259T2 (de) 2004-07-01
HUP0104587A2 (hu) 2002-03-28
ES2205927T3 (es) 2004-05-01
PL348420A1 (en) 2002-05-20
HUP0104587A3 (en) 2002-04-29
DK1141495T3 (da) 2003-12-01
WO2000039411A1 (en) 2000-07-06
DE69910259D1 (de) 2003-09-11
CZ299299B6 (cs) 2008-06-11
EP1141495A1 (en) 2001-10-10
NL1010902C2 (nl) 2000-06-27
AU2006900A (en) 2000-07-31
PL196189B1 (pl) 2007-12-31
CZ20012205A3 (cs) 2002-06-12
ATE246754T1 (de) 2003-08-15
HU224102B1 (hu) 2005-05-30

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