WO2013164087A1 - Partie inférieure de boîte - Google Patents

Partie inférieure de boîte Download PDF

Info

Publication number
WO2013164087A1
WO2013164087A1 PCT/EP2013/001288 EP2013001288W WO2013164087A1 WO 2013164087 A1 WO2013164087 A1 WO 2013164087A1 EP 2013001288 W EP2013001288 W EP 2013001288W WO 2013164087 A1 WO2013164087 A1 WO 2013164087A1
Authority
WO
WIPO (PCT)
Prior art keywords
manhole base
wall
manhole
shaft
section
Prior art date
Application number
PCT/EP2013/001288
Other languages
German (de)
English (en)
Inventor
Tobias Heger
Mariusz Ciolak
Roland Hendel
Heiko Leihbecher
Original Assignee
Rehau Ag + Co
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 Rehau Ag + Co filed Critical Rehau Ag + Co
Priority to EP13720247.9A priority Critical patent/EP2844805B1/fr
Publication of WO2013164087A1 publication Critical patent/WO2013164087A1/fr

Links

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
    • 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

Definitions

  • the present invention relates to a manhole base for a manhole system of a system for receiving, conducting and storing a fluid.
  • the invention also relates to a shaft system with a manhole base according to the invention and finally to a system for receiving, conducting and storing a fluid with such a shaft system.
  • the drainage systems to be constructed also include manhole systems to provide access to the pipelines.
  • construction pits are to be made in which the manhole base of the manhole system is mounted on a flat surface, i. can be turned off on a plane and stable surface to be produced.
  • Such a pit generally has an upwardly flared truncated cone or trapezoidal profile. As a result, the slipping of soil is minimized or avoided. The production of such a pit is costly and time-consuming and sometimes has to take place in tight spaces, for example in cities.
  • the object of the present invention is therefore to specify a manhole base which can be lowered onto a small plane, is stably constructed and has an entrance or bottom surface in the interior.
  • a manhole base for a shaft system of a system for receiving, conducting and storing a fluid with a sealing, pluggable and / or latchable connection to a shaft middle part and / or shaft top with a first outer wall, with stiffening elements on which formed side edges , and a second outer wall, with stiffening elements, with a first portion and a second portion, wherein the first portion forms the upper portion in the installed position and the second portion, the lower portion, which are integrally connected by a transition portion, and with a Surface for parking on a substrate, which has the shape of a circular or annular surface or approximately the shape of a circular or annular surface, advantageously characterized in that the second portion has a relation to the outer wall smaller cross-sectional area than the cross-sectional area of the first section relative to the outer wall, wherein the cross-sectional area is the area obtained with a vertical projection of the section of the installed manhole base on an underlying horizontal plane, that in the manhole base approximately
  • connection of the manhole base to a shaft center or shaft top can be made fluid-tight, plug-in or latchable manner.
  • the manhole system that can be produced in this way can be part of a system for receiving, conducting and storing a fluid.
  • the manhole base has a first outer wall which includes stiffening elements on which side flanks are formed.
  • the manhole base further has a second outer wall which includes stiffening elements.
  • the shaft system is thus more stable against laterally acting earth pressure when installed in the ground.
  • the manhole base of the present invention has a first portion and a second portion, the first portion being the upper portion as viewed in the installed position and the second portion corresponding to the lower portion in the installed position.
  • the two sections are integrally connected by a transition section.
  • the manhole base has at its lower end viewed in the installation position on a footprint, which is adapted to the shaft base on a substrate, such as a flat, off.
  • the footprint has to the shape of a circular or annular surface or about the shape of a circular or annular surface.
  • the footprint forms a plane which is approximately perpendicular to an imaginary vertical axis of the manhole base.
  • the manhole base of the present invention is designed such that the second portion has a smaller cross-sectional area relative to the outer wall than the cross-sectional area of the first portion relative to the outer wall.
  • the cross-sectional area is the area which, in the case of a vertical projection of the respective section of the manhole base arranged in the installation position, is obtained on an underlying horizontal plane relative to the maximum radial extent of the outer wall.
  • a manhole base according to the present invention which has a first portion which is cylindrical or approximately cylindrical and a second portion which is also cylindrical or approximately cylindrical.
  • the two axes of the cylinders coincide. This is a highly symmetrical component.
  • the manhole base in the first and / or second section has a shape that is of a cylindrical shape deviates strongly. This may be an elliptical shape, a polygonal shape, in particular with rounded corners or one of the aforementioned combined shape.
  • the manhole base according to the invention has an inner circular ring surface approximately in the plane of the transitional section along the entire inner circumference.
  • reinforcing elements are formed at the transition section.
  • the inner circular ring surface is formed approximately parallel to at least one side edge of at least one stiffening element.
  • the manhole base is particularly stable because forces from the inner circular ring surface to the side edges of the stiffening elements can be transmitted.
  • the inner circular ring surface is inclined along its entire circumference with respect to the footprint not more than 20 of 100, preferably not more than 10 of 100 to the center of the manhole base.
  • the inner circular ring surface of the manhole base is preferably suitable for use as a tread surface when the manhole system is entered by a person.
  • Another purpose is the storage of objects on this area, for example in the course of inspection, maintenance or cleaning work in the shaft system.
  • a corresponding inclination of the inner circular ring surface toward the middle of the manhole base ensures that particles or contaminants depositing there are easily removable or, for example, flushed or washable from this surface when fluid is introduced into the manhole base.
  • the ease of cleaning is thereby increased, the settling of dirt and particles on this inner annular surface is thereby minimized.
  • the surface of the inner annular surface is structured and / or at least partially provided with an anti-slip coating to increase the sure-footedness and to be able to park objects on this surface safe to move. Furthermore, by providing the inner circular ring surface in the manhole base approximately in the plane of the transition section, this inner annular surface is maximized, so that a particularly safe entry into the shaft system and occurrence on this surface is possible.
  • the manhole base according to the present invention By formed along the entire inner circumference inner circular ring area in the manhole base according to the present invention, it is also possible to occur in the area in which the channel comes to the inner circumference of the manhole base, where the connection with the connection elements.
  • the manhole base according to the invention is equipped with a very special security for entering, the risk of injury to a person located in the manhole is thus minimized, since it finds along the entire inner circumference an inner circular ring surface to occur.
  • the reinforcing elements along the outer wall of the manhole base are spaced approximately equidistant.
  • the reinforcing elements are formed as ribs.
  • Ribs can be produced in a simple manner as part of a shaping process and offer a high degree of power transmission.
  • transition section between the first and the second section of the manhole base is particularly preferably stabilized in this way.
  • the ribs are preferably integrally connected to the first and second sections at the transition section.
  • the ribs may be designed in a favorable embodiment of the invention so that they are at the first and second portions extended very far in the axial direction. This makes it possible to direct acting forces particularly well and to secure the manhole base particularly well against these forces acting. It has proven to be very favorable in this context if at least two arrangement sections of the reinforcing elements formed as ribs are provided, wherein in each section at least two adjacent ribs have side flanks arranged parallel to one another.
  • Such an arrangement of the ribs can be produced in a particularly simple manner in the context of a shaping process at the manhole base by assigning a specific area of a forming tool or a part of a forming tool, for example a shaping jaw, to each locating section.
  • the manhole base consists of polymer material or contains polymer material, wherein the polymer material is preferably a thermoplastic, particularly preferably a polyolefin and very particularly preferably a polypropylene.
  • a manhole base made of polymeric material or containing polymer material is accessible in a very inexpensive manufacturing process.
  • the material itself is inert to the fluid to be introduced in a manhole base or a manhole system and can be made in any shape according to the molding process.
  • thermoplastic By using a thermoplastic, a very durable and recyclable material can be used, whereby the shaft has a long life and is recyclable at the end of its life.
  • a polypropylene is particularly suitable for such a manhole base, since this material is highly suitable for the execution of such manhole bases.
  • the manhole base contains an open channel integrated in its bottom, which is connected to the outer wall.
  • Such a manhole base may be preferably used to be integrated into a pipeline system in which a tube which is connected to the manhole base, the fluid feeds the manhole base, and a second tube which is connected to the manhole base, the fluid from discharges the manhole base.
  • the open channel in the bottom of the manhole base directs the fluid from the feeding pipe to the discharge pipe.
  • the inner circular ring surface of the manhole base is connected to the channel at least in sections.
  • the channel and the inner circular ring surface are stabilized in the manhole base.
  • the inner annular surface of the manhole base can be designed so that it limits the channel at least in sections.
  • the inner circular ring surface may be designed so that it extends in sections to approximately in the middle or near the center of the manhole base.
  • a manhole base can be realized with a high degree of ease of cleaning because there are no gaps, dead corners or angles in which dirt collects.
  • a shaft system can be provided very advantageously and quickly if it comprises at least one shaft lower part of the present invention.
  • a system for receiving, conducting and storing a fluid comprises in a favorable embodiment a shaft system as described above.
  • the manhole base according to the invention finds its use in a manhole system in which the manhole base is combined with a sealing, pluggable and / or latchable connection to a manhole center and / or manhole shell.
  • the well system thus produced finds its application in a system for receiving, conducting and storing a fluid by connecting it to pipes for conducting fluid.
  • the invention also includes the process for the preparation of the invention
  • the manhole base according to the present invention can be advantageously produced by an injection molding process of a polymer material, by a rotational molding process of a polymer material, or by joining of individual parts or assemblies, for example by the use of welding compound techniques.
  • a manhole base for a shaft system of a system for receiving, conducting and storing a fluid with a sealing, pluggable and / or latchable connection to a shaft middle part and / or shaft top, with a first Outer wall, with stiffening elements, on which side edges are formed, and a second outer wall, with stiffening elements, with a first portion and a second portion, wherein the first portion forms the upper portion in the installed position and the second portion, the lower portion which integrally through a transition section are connected to each other, and with a steep surface for setting len on a substrate which has the shape of a circular or annular surface or approximately the shape of a circular or annular surface, wherein the second portion having a relation to the outer wall smaller cross-sectional area than the outer wall-related cross-sectional area of the first portion, wherein the Cross-sectional area is the
  • Another favorable manufacturing process is the rotational molding process.
  • polymer powder is introduced into a tool which is heated and performs a tumble motion around several axes.
  • the plasticized polymer material attaches to the inner wall of the tool and can be removed after cooling.
  • the tool is in turn constructed so that the features of the manhole base according to the invention can be formed in this manufacturing process.
  • Fig. 1 is a side view of a manhole base in a first embodiment
  • Fig. 2 is a perspective view of a manhole base in a first embodiment
  • FIG. 3 is a perspective view of a manhole base of a first embodiment
  • FIG. 4 is a side view of a manhole base in a second embodiment
  • Fig. 5 is a side view of a manhole base in a third embodiment.
  • a manhole base 1 is shown according to the present invention, which is shown in a side view.
  • the manhole base 1 has a first section 4 which, viewed in the installed position, is arranged above a second section 5, wherein the sections 4 and 5 are integrally connected to one another by a transition section 6.
  • the first section 4 has a connecting means 10, with which the manhole base 1 can be connected to, for example, a shaft middle part or a shaft top part.
  • the connecting means 10 can be designed so that a fluid-tight connection between the manhole base 1 and a shaft center or shaft top part to be connected can be produced.
  • stiffening elements 12 are formed at the first section 4 of the manhole base 1 .
  • the stiffening elements 12 are in the form of ribs, which are arranged approximately perpendicular to the first outer wall 3.4 of the manhole base 1 in the region of the first portion 4 is formed.
  • the reinforcing elements 12 designed as ribs run completely around the first outer wall 3.4 and are oriented approximately parallel to the plane of the installation surface 7 to be discussed below.
  • stiffening elements 12 On the stiffening elements 12 side edges 12a are formed, which are aligned approximately perpendicular to the first outer wall 3.4 of the manhole base 1 and each define the stiffening elements 12 on both sides.
  • the first section 4 of the manhole base 1 has a cross-sectional area F4, which is related to the outer wall 3.4 and is correspondingly marked in FIG. 1 with regard to its maximum extent in one spatial direction.
  • the cross-sectional area F4 of the first section 4 is understood as meaning the cross-sectional area with respect to the outer wall 3.4 of the first section 4 of the manhole base 1.
  • stiffening elements 12 ' are formed at the second portion 5 of the manhole base 1 at the second portion 5 of the manhole base 1 .
  • the stiffening elements 12 ' are in the form of ribs, which are arranged approximately perpendicular to the second outer wall 3.5 of the manhole base 1 in the region of the second portion 5, formed.
  • the stiffening elements 12 'formed as ribs run completely around the second outer wall 3.5 and are oriented approximately parallel to the plane of the set-up surface 7 to be discussed below.
  • the formed on the manhole base 1 according to the present invention second section 5 has in the present embodiment of the invention, two connection elements 11, 11 ', on which, for example, pipes can be connected.
  • the connecting elements 11, 11 ' are designed as short pipe sockets, which are oriented approximately perpendicular to the outer wall 3.5 of the manhole base 1 in the second section 5.
  • the second section 5 of the manhole base 1 has a steep surface 7, with which the manhole base 1 can be placed on a substrate 8.
  • the footprint 7 is formed as a circular or annular surface or approximately as a circular or annular surface.
  • the cross-sectional area F5 is understood to be the area which is related to the outer wall 3.5, which is characterized in accordance with FIG. 1 with regard to its maximum extent in one spatial direction.
  • the cross-sectional area F4, which is assigned to the first section 4, and the cross-sectional area F5, which is assigned to the second section 5, are each understood to be the areas which, in a vertical projection of the sections with respect to their outer walls 3.4, 3.5 of the arranged in the installation position manhole base 1 on an underlying horizontal plane E can be obtained.
  • the first section 4 and the second section 5 of the manhole base 1 are integrally connected by a transition section 6.
  • reinforcing elements 9 are formed, which have approximately the shape of a rib, wherein the ribs are aligned approximately perpendicularly relative to the plane of the footprint 7.
  • the ribs 9 have side edges 9a, by which the ribs are bounded on both sides. Through the ribs 9, it is possible to transfer loads from the first section 4 to the second section 5 of the manhole base 1.
  • the ribs 9 are formed so that a plurality of ribs each have parallel side edges 9a.
  • an inventive manhole base 1 is shown in a perspective view in a first embodiment.
  • Fig. 2 correspond to those of Fig. 1, so that repetition can be omitted here.
  • Fig. 2 the footprint 7, which is formed in the form of a circular ring surface, on the second portion 5 of the manhole base 1 is shown.
  • the manhole base 1 is turned off on a substrate 8, not shown here.
  • FIG. 3 shows a further perspective view of a manhole base 1 according to the invention in one embodiment.
  • Fig. 3 correspond to those of Fig. 1, so that repetitions can be omitted here.
  • the manhole base 1 has a channel 2, through which a fluid can be conducted.
  • the channel 2 is formed in the second section 5 of the manhole base 1.
  • the channel 2 is connected to the connection elements 11, 11 ', which are formed on the second section 5 of the manhole base 1.
  • an inner circular ring surface 13 is formed, which is arranged along the inner circumference 1a of the manhole base 1.
  • the inner circle ring surface 13 can be used for the appearance of a person or for parking objects.
  • the inner circular ring surface 13 has a structured surface.
  • the inner circular ring surface 13 is arranged approximately at the level of the transition section 6 of the manhole base 1 and is inclined along its entire circumference with respect to the footprint 7 not more than 20 of 100, preferably not more than 10 of 100 to the center of the manhole base 1.
  • Fig. 4 shows a manhole base 1 according to the present invention in a second embodiment in a side view.
  • Fig. 4 correspond to those of Fig. 1, so that repetition can be omitted here.
  • FIG. 4 shows that the second section 5 has a smaller cross-sectional area F5, which is related to the second outer wall 3.5, than the cross-sectional area F4 of the first section 4 of the manhole base 1 relative to the first outer wall 3.4.
  • the cross-sectional area is the area that is at a vertical projection of the outer walls 3.4, 3.5 of the sections 4, 5 of the arranged in the installation position manhole base 1 to an underlying horizontal plane E is obtained.
  • a manhole base 1 according to the present invention is shown in a third embodiment in a side view.
  • Fig. 5 correspond to those of Fig. 1, so that repetition can be omitted here.
  • the manhole base 1 of this embodiment has no connection elements 11, 11 '.
  • the manhole base 1 of this embodiment has in the interior at the level of the second section 5 a pot-shaped bottom, not shown here, which serves, for example, for receiving settling suspended particles or particles in the fluid.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

L'invention concerne une partie inférieure de boîte (1) pour un système de boîte d'un système de logement, de conduite et d'accumulation d'un fluide, relié de manière étanche, emboîtable et/ou pouvant être bloquée par enclenchement à une partie centrale de boîte et/ou une partie supérieure de boîte. Ladite partie inférieure comprend une première paroi extérieure (3.4) pourvue d'éléments de renforcement (12) sur lesquels des flancs latéraux (12a) sont formés et une deuxième paroi extérieure (3.5) pourvue d'éléments de renforcement (12'), une première section (4) et une deuxième section (5), la première section (4), vue dans la position de montage, formant la section supérieure et la deuxième section (5) formant la section inférieure, qui sont reliées ensemble d'une seule pièce par une section de transition (6). La partie inférieure comprend également une surface d'installation (7) lui permettant d'être posée sur un sol (8), et présentant une forme circulaire ou annulaire ou sensiblement la forme d'une surface circulaire ou annulaire. L'invention est caractérisée en ce que la deuxième section (5) présente une superficie de section (F5) rapportée à la paroi extérieure (3.5) inférieure à la superficie de section (F4) rapportée à la paroi extérieure (3.4) de la première section (4), la superficie de section étant la surface qui est obtenue lorsque la section (4, 5) de la partie inférieure de boîte (1) disposée dans la position de montage est projetée verticalement sur un plan (E) horizontal situé dessous. L'invention est également caractérisée en ce qu'une surface annulaire intérieure (13) est formée dans la partie inférieure de boîte (1) sensiblement dans le plan de la section de transition (6) le long de toute la périphérie intérieure (1a), et en ce que des éléments de renforcement (9) sont formés sur la section de transition (6).
PCT/EP2013/001288 2012-05-04 2013-05-02 Partie inférieure de boîte WO2013164087A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13720247.9A EP2844805B1 (fr) 2012-05-04 2013-05-02 Partie inférieure de boîte

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012101644U DE202012101644U1 (de) 2012-05-04 2012-05-04 Schachtunterteil
DE202012101644.3 2012-05-04

Publications (1)

Publication Number Publication Date
WO2013164087A1 true WO2013164087A1 (fr) 2013-11-07

Family

ID=48289019

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/001288 WO2013164087A1 (fr) 2012-05-04 2013-05-02 Partie inférieure de boîte

Country Status (3)

Country Link
EP (1) EP2844805B1 (fr)
DE (1) DE202012101644U1 (fr)
WO (1) WO2013164087A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1042571B1 (en) * 2017-10-06 2019-04-15 Wavin Bv Tailorable part of a manhole or an inspection shaft and method for tailoring a manhole or an inspection shaft
DE202021102989U1 (de) 2021-06-01 2022-09-05 REHAU Industries SE & Co. KG Schachtunterteil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315535A1 (de) * 1993-05-10 1994-11-17 Kordes Klaeranlagen U Pumpwerk Kunststoff-Schacht
WO2004013421A1 (fr) * 2002-08-06 2004-02-12 Wavin B.V. Procede de production d'un element de plancher de fosse en plastique
EP1956153A1 (fr) * 2007-02-07 2008-08-13 Wavin B.V. Élément de ravin de drainage de l'eau de pluie et égoût
NL1036127C (nl) * 2008-10-29 2010-05-03 Wavin Bv Kunststof put met holwandige omtrekswand, alsmede matrijssamenstel voor het vervaardigen daarvan.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7141596A (en) * 1995-10-12 1997-04-30 Artform International Limited Underground chamber

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315535A1 (de) * 1993-05-10 1994-11-17 Kordes Klaeranlagen U Pumpwerk Kunststoff-Schacht
WO2004013421A1 (fr) * 2002-08-06 2004-02-12 Wavin B.V. Procede de production d'un element de plancher de fosse en plastique
EP1956153A1 (fr) * 2007-02-07 2008-08-13 Wavin B.V. Élément de ravin de drainage de l'eau de pluie et égoût
NL1036127C (nl) * 2008-10-29 2010-05-03 Wavin Bv Kunststof put met holwandige omtrekswand, alsmede matrijssamenstel voor het vervaardigen daarvan.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KESSEL GMBH: "Kessel- Kunststoffschächte", VERKAUGSKATALOG, November 2007 (2007-11-01), pages s1 - s63, XP055374261

Also Published As

Publication number Publication date
EP2844805A1 (fr) 2015-03-11
EP2844805B1 (fr) 2019-09-04
DE202012101644U1 (de) 2013-08-07

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