EP0943737A1 - Irrigation and drainage box - Google Patents

Irrigation and drainage box Download PDF

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Publication number
EP0943737A1
EP0943737A1 EP99200704A EP99200704A EP0943737A1 EP 0943737 A1 EP0943737 A1 EP 0943737A1 EP 99200704 A EP99200704 A EP 99200704A EP 99200704 A EP99200704 A EP 99200704A EP 0943737 A1 EP0943737 A1 EP 0943737A1
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EP
European Patent Office
Prior art keywords
box
irrigation
columns
another
boxes
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
EP99200704A
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German (de)
French (fr)
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EP0943737B1 (en
Inventor
Marcus Wilhelmus Johannes Besten
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
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Publication date
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Application filed by Wavin BV filed Critical Wavin BV
Priority to DE29924050U priority Critical patent/DE29924050U1/en
Publication of EP0943737A1 publication Critical patent/EP0943737A1/en
Application granted granted Critical
Publication of EP0943737B1 publication Critical patent/EP0943737B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
    • E02B11/005—Drainage conduits
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • E03F1/005—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via box-shaped elements

Definitions

  • the invention relates to an irrigation and/or drainage box, comprising a base which is provided with perforations and side walls which are provided with perforations, are substantially perpendicular to the base and integrally connected thereto, the box being open on the side which lies opposite the base, and furthermore comprising columns which extend substantially vertically from the base towards the open side.
  • Boxes of this type are used in systems for collecting (rain)water from the environment, for example the soil, but also in systems for returning rainwater which has been collected from hard surfaces, such as roads or roofs, and from which floating or coarse dirt has been removed, to the soil, in order in this way to counteract drying of the soil as a result of the groundwater table being lowered.
  • An irrigation and/or drainage box of the above-mentioned type is known from EP-A-O 787 865.
  • This known box may be closed off on the open side by a lid which adjoins the free top edges of the side walls and is further supported by the columns, the free end parts of which project beyond the plane defined by the edges of the side walls and engage in recesses formed in the lid.
  • the boxes can be placed with the side walls against one another, in which case projections which project outwards from a side wall engage in recesses which are formed in a side wall of an adjacent box.
  • a drawback of the known box is that two types of products, namely boxes and lids, are required to form a complete irrigation and/or drainage system.
  • the object of the present invention is to eliminate this drawback.
  • the irrigation and/or drainage box 1 which is illustrated in the drawing, preferably consists of plastic and is made by injection-moulding, comprises a base 2, long side walls 3 and short side walls 4.
  • the side walls 3, 4 are substantially perpendicular to the base 2 and are integrally connected thereto.
  • the box 1 is open on the side which lies opposite the base.
  • the base 2 and the side walls 3, 4 are provided with perforations or openings 5 and 6, respectively, which openings may have many different forms. These perforations or openings 5, 6 serve to allow water to pass through.
  • the box 1 is furthermore provided with columns 7, 8 which extend substantially vertically from the base 2 towards the open side of the box, the columns 7 adjoining the side walls 3, 4 and being integral therewith, while the columns 8 stand free in the box 1.
  • the columns 7 which are integral with the side walls 3, 4 are of planar design at least on the side which adjoins the side walls 3, 4. In the embodiment of the box 1 illustrated, this planar side lies in the same plane as the outer side of the side wall 3, 4 in question, and the columns 7 in question are preferably substantially square in cross section.
  • the columns 8 standing inside the box are preferably round in cross section, since this is advantageous from the manufacturing technology viewpoint.
  • the base 2 and the side walls 3, 4, as can also be seen in the drawing, are preferably of substantially planar design and free from projections on the outer side of the box.
  • the box 1 according to the invention is designed in such a manner that two identical boxes can be placed with the open sides towards one another and can be connected to one another without the need for further accessories, producing a unit as shown in Fig. 5.
  • At least some of the columns 7, 8, usually half of the columns 7, 8, are provided, on the open side of the box, with first connection parts, and other columns 7, 8, usually the other half of the columns 7, 8, are provided, on the open side of the box, with second connection parts.
  • first connection parts of one box are able to interact with the second connection parts of the other box, thus forming a connection between the two boxes.
  • the first connection parts are formed by projections 9 which lie at the free end of the columns 7, 8 in question and form an extension of these columns
  • the second connection parts are formed by cavities 10 which are formed in the free end section of the columns 7, 8 in question.
  • the distribution of the projections 9 and the cavities 10 is such that when two boxes 1 are placed with the open sides towards one another, projections 9 on columns 7, 8 of one box fit into cavities 10 in columns 7, 8 of the other box, thus forming the connection between the two boxes.
  • connection between a first connection part (projection 9) and second connection part (cavity 10) is a click-fit or clamp-fit connection.
  • openings 11 through which water can run into or out of the columns 7, 8 are formed in the projections 9. Furthermore, the openings 11 are advantageous when moulding the columns, since they provide the option of supporting a core which forms the inside of the column 7, 8, during injection-moulding of a box 1 in an injection mould, on a mould part which forms the outside of the column 7, 8.
  • the top side of the columns 7, 8 extends approximately as far as the plane which is defined by the edges 12 of the side walls 3, 4 and the projections 9 project beyond this plane.
  • the side walls it is preferable for at least one of the side walls to be provided with a preferably round opening 13.
  • the two short side walls 4 are provided with such an opening 13.
  • the opening 13 is provided with a grate 14, which can easily be removed.
  • a connection pipe 15 (cf. Fig. 6) can be fitted into the opening 13, preferably after the grate 14 has been removed.
  • a connection pipe can then again be fitted into this half pipe socket.
  • the connection between the connection pipe 15 and the box 1 does not have to be leaktight.
  • the connection using a half pipe socket prevents the connection pipe from slipping out of the opening 13 in the event of any subsidence.
  • two identical boxes 1 can be placed with the open sides towards one another, thus forming a unit 17 (cf. Fig. 5) which is delimited by the two bases 2 and side walls 3, 4 and which is able to leave an underground space open.
  • Covering units of this nature with filter cloth prevents soil particles from penetrating into and contaminating the underground space and ultimately limiting the capacity of the units.
  • the ratio between the length and the width is 2:1.
  • the columns 7, 8 are preferably provided with connection parts 9, 10 and positioned in such a manner that two boxes 1 can be placed against one another with their longitudinal axes parallel to one another so that they completely overlap, but also with their longitudinal axes perpendicular to one another.
  • two boxes form a separate unit which is delimited by the bases and side walls, as illustrated in Fig. 5.
  • the dimensions (length x width x height) of a box are 100 x 50 x 23.4 cm.
  • the openings 13 in the side walls 10 have a diameter of approx. 18 cm.
  • a plurality of units 17 formed by two boxes 1 which have been placed with the open sides towards one another can be placed on top of and/or next to one another and coupled together, so as to form larger systems.
  • Fig. 6 shows such a system with six units 17 (twelve boxes 1).
  • a connection pipe 15 is connected to one of the boxes.
  • two units 17 which are indicated by dashed lines are positioned transversely with respect to the other units 17.
  • Connection parts (not shown) can be used to couple together the boxes.
  • the connection parts may be simple loose clamps, but may also be integral connection parts formed on the boxes themselves.
  • the base 2 which is planar on the outer side, is provided, inside the box, with a relatively large number of columns 7, 8 and ribs 18, in order to make the boxes able to withstand any loads on the ground which arise.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Catching Or Destruction (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

An irrigation and/or drainage box 1 comprises a base 2 which is provided with perforations and side walls 3, 4 which are provided with perforations and are substantially perpendicular to the base 2 and integrally connected thereto. The box 1 is open on the side which lies opposite the base 2. The box 1 furthermore comprises columns 7, 8 which extend substantially vertically from the base 2 towards the open side. On the open side, the box 1 is designed in such a manner that two identical boxes can be placed with the open sides towards one another and can be connected to one another without the need for further accessories. For this purpose, at least some of the columns 7, 8 are provided, on the open side of the box 1, with first connection parts in the form of projections 9, and other columns are provided, on the open side of the box 1, with second connection parts in the form of cavities 10, in which case, when two boxes are placed with the open sides towards one another, first connection parts 9 of one box are able to interact with second connection parts 10 of the other box in order to form a connection between the two boxes.

Description

  • The invention relates to an irrigation and/or drainage box, comprising a base which is provided with perforations and side walls which are provided with perforations, are substantially perpendicular to the base and integrally connected thereto, the box being open on the side which lies opposite the base, and furthermore comprising columns which extend substantially vertically from the base towards the open side.
  • Boxes of this type are used in systems for collecting (rain)water from the environment, for example the soil, but also in systems for returning rainwater which has been collected from hard surfaces, such as roads or roofs, and from which floating or coarse dirt has been removed, to the soil, in order in this way to counteract drying of the soil as a result of the groundwater table being lowered.
  • An irrigation and/or drainage box of the above-mentioned type is known from EP-A-O 787 865. This known box may be closed off on the open side by a lid which adjoins the free top edges of the side walls and is further supported by the columns, the free end parts of which project beyond the plane defined by the edges of the side walls and engage in recesses formed in the lid. To form larger systems comprising a plurality of boxes, the boxes can be placed with the side walls against one another, in which case projections which project outwards from a side wall engage in recesses which are formed in a side wall of an adjacent box.
  • A drawback of the known box is that two types of products, namely boxes and lids, are required to form a complete irrigation and/or drainage system.
  • The object of the present invention is to eliminate this drawback.
  • This object is achieved by means of a box of the type mentioned at the outset which is designed, on the open side, in such a manner that two identical boxes can be placed with the open sides towards one another and can be connected to one another without the need for further accessories.
  • By using a box according to the invention, it is possible to build up irrigation and/or drainage systems using only one type of product. An additional advantage is that a unit which is formed from two boxes which have been placed with the open sides towards one another is able to have a relatively great height.
  • Advantageous embodiments of an irrigation and/or drainage box according to the invention are specified in the subclaims.
  • The invention will be explained in more detail in the following description of a specific embodiment of the irrigation and/or drainage box according to the invention, with reference to the drawing, in which:
    • Fig. 1 shows a perspective view of a specific embodiment of the box according to the invention,
    • Fig. 2 shows a plan view of the box shown in Fig. 1,
    • Fig. 3 shows a side view of the long side of the box shown in Fig. 1,
    • Fig. 4 shows a side view of the short side of the box shown in Fig. 1,
    • Fig. 5 shows a perspective view of a unit formed from two boxes shown in Fig. 1 which have been placed with the open sides towards one another, and
    • Fig. 6 shows an irrigation and/or drainage system which has been formed from boxes in accordance with Fig. 1.
  • The irrigation and/or drainage box 1 according to the invention which is illustrated in the drawing, preferably consists of plastic and is made by injection-moulding, comprises a base 2, long side walls 3 and short side walls 4. The side walls 3, 4 are substantially perpendicular to the base 2 and are integrally connected thereto. The box 1 is open on the side which lies opposite the base.
  • The base 2 and the side walls 3, 4 are provided with perforations or openings 5 and 6, respectively, which openings may have many different forms. These perforations or openings 5, 6 serve to allow water to pass through.
  • The box 1 is furthermore provided with columns 7, 8 which extend substantially vertically from the base 2 towards the open side of the box, the columns 7 adjoining the side walls 3, 4 and being integral therewith, while the columns 8 stand free in the box 1. The columns 7 which are integral with the side walls 3, 4 are of planar design at least on the side which adjoins the side walls 3, 4. In the embodiment of the box 1 illustrated, this planar side lies in the same plane as the outer side of the side wall 3, 4 in question, and the columns 7 in question are preferably substantially square in cross section. The columns 8 standing inside the box are preferably round in cross section, since this is advantageous from the manufacturing technology viewpoint.
  • In the irrigation and/or drainage box 1 according to the invention, the base 2 and the side walls 3, 4, as can also be seen in the drawing, are preferably of substantially planar design and free from projections on the outer side of the box. This has the advantage that the boxes are easier to manufacture and furthermore avoids damaging nets or filter cloths made from geotextile which are arranged around the boxes in order to prevent soil particles from entering the box via the openings 5 and 6.
  • On the open side, the box 1 according to the invention is designed in such a manner that two identical boxes can be placed with the open sides towards one another and can be connected to one another without the need for further accessories, producing a unit as shown in Fig. 5.
  • Preferably, for this purpose, at least some of the columns 7, 8, usually half of the columns 7, 8, are provided, on the open side of the box, with first connection parts, and other columns 7, 8, usually the other half of the columns 7, 8, are provided, on the open side of the box, with second connection parts. When two boxes 1 are placed with the open sides towards one another, the first connection parts of one box are able to interact with the second connection parts of the other box, thus forming a connection between the two boxes.
  • In the embodiment of the box 1 illustrated, the first connection parts are formed by projections 9 which lie at the free end of the columns 7, 8 in question and form an extension of these columns, and the second connection parts are formed by cavities 10 which are formed in the free end section of the columns 7, 8 in question. The distribution of the projections 9 and the cavities 10 is such that when two boxes 1 are placed with the open sides towards one another, projections 9 on columns 7, 8 of one box fit into cavities 10 in columns 7, 8 of the other box, thus forming the connection between the two boxes.
  • Preferably, the connection between a first connection part (projection 9) and second connection part (cavity 10) is a click-fit or clamp-fit connection.
  • Advantageously, openings 11 through which water can run into or out of the columns 7, 8 are formed in the projections 9. Furthermore, the openings 11 are advantageous when moulding the columns, since they provide the option of supporting a core which forms the inside of the column 7, 8, during injection-moulding of a box 1 in an injection mould, on a mould part which forms the outside of the column 7, 8.
  • As can be seen in the embodiment of the box according to the invention which is illustrated in the drawing, the top side of the columns 7, 8 extends approximately as far as the plane which is defined by the edges 12 of the side walls 3, 4 and the projections 9 project beyond this plane.
  • In the irrigation and/or drainage box according to the invention, it is preferable for at least one of the side walls to be provided with a preferably round opening 13. In the embodiment illustrated, the two short side walls 4 are provided with such an opening 13. The opening 13 is provided with a grate 14, which can easily be removed. A connection pipe 15 (cf. Fig. 6) can be fitted into the opening 13, preferably after the grate 14 has been removed. It is also possible firstly to position a half pipe socket (not shown) in the opening 13, which socket is connected, preferably with a clamp fit, to the edge 16 of the opening 13. A connection pipe can then again be fitted into this half pipe socket. The connection between the connection pipe 15 and the box 1 does not have to be leaktight. The connection using a half pipe socket prevents the connection pipe from slipping out of the opening 13 in the event of any subsidence.
  • As has already been stated, two identical boxes 1 can be placed with the open sides towards one another, thus forming a unit 17 (cf. Fig. 5) which is delimited by the two bases 2 and side walls 3, 4 and which is able to leave an underground space open. Covering units of this nature with filter cloth prevents soil particles from penetrating into and contaminating the underground space and ultimately limiting the capacity of the units.
  • Preferably, in the irrigation and/or drainage box 1 according to the invention, the ratio between the length and the width is 2:1. In this case, the columns 7, 8 are preferably provided with connection parts 9, 10 and positioned in such a manner that two boxes 1 can be placed against one another with their longitudinal axes parallel to one another so that they completely overlap, but also with their longitudinal axes perpendicular to one another. In the first case, two boxes form a separate unit which is delimited by the bases and side walls, as illustrated in Fig. 5. In the second case, it is possible to assemble larger irrigation and/or drainage units, with a large number of boxes being placed on top of one another in the form of building bricks.
  • In a practical embodiment, the dimensions (length x width x height) of a box are 100 x 50 x 23.4 cm. The openings 13 in the side walls 10 have a diameter of approx. 18 cm. A half pipe socket for a connection pipe with a diameter of 16 cm fits into these openings.
  • A plurality of units 17 formed by two boxes 1 which have been placed with the open sides towards one another can be placed on top of and/or next to one another and coupled together, so as to form larger systems. Fig. 6 shows such a system with six units 17 (twelve boxes 1). A connection pipe 15 is connected to one of the boxes. In Fig. 6, two units 17 which are indicated by dashed lines are positioned transversely with respect to the other units 17. Connection parts (not shown) can be used to couple together the boxes. The connection parts may be simple loose clamps, but may also be integral connection parts formed on the boxes themselves.
  • If the short sides are coupled together, the grates 14 do not have to be removed from the openings 13.
  • The base 2, which is planar on the outer side, is provided, inside the box, with a relatively large number of columns 7, 8 and ribs 18, in order to make the boxes able to withstand any loads on the ground which arise.
  • In embodiments of the irrigation and/or drainage box according to the invention which are not shown, it is possible to position the columns 8 in such a manner that there are no columns in a straight line between the openings 13 in the short side walls 4, so that in principle the units can be cleaned internally by using a hose to spray through them via the openings 13.

Claims (16)

  1. Irrigation and/or drainage box, comprising a base which is provided with perforations and side walls which are provided with perforations, are substantially perpendicular to the base and integrally connected thereto, the box being open on the side which lies opposite the base, and furthermore comprising columns which extend substantially vertically from the base towards the open side, characterized in that the box is designed, on the open side, in such a manner that two identical boxes can be placed with the open sides towards one another and can be connected to one another without the need for further accessories.
  2. Irrigation and/or drainage box according to claim 1, characterized in that at least some of the columns are provided, on the open side of the box, with first connection parts, and other columns are provided, on the open side of the box, with second connection parts, in which case, when two boxes are placed with the open sides towards one another, first connection parts of one box are able to interact with second connection parts of the other box in order to form a connection between the two boxes.
  3. Irrigation and/or drainage box according to claim 1 or 2, characterized in that the first connection parts are formed by projections which lie at the free end of the columns in question and form an extension of these columns, and the second connection parts are formed by cavities which are formed in the free end section of the columns in question, in which case, when two boxes are placed with the open sides towards one another, projections on columns of one box fit into cavities in columns of the other box.
  4. Irrigation and/or drainage box according to claim 2 or 3, characterized in that the connection between a first and a second connection part is a click-fit or clamp-fit connection.
  5. Irrigation and/or drainage box according to one of claims 1-4, characterized in that the box is provided with columns which adjoin and are integral with the side walls and are of planar design at least on the side which adjoins the side walls.
  6. Irrigation and/or drainage box according to claim 5, characterized in that the planar side of a column which is integral with a side wall lies in the same plane as the outer side of the side wall in question.
  7. Irrigation and/or drainage box according to one of claims 1-6, characterized in that the base and the side walls of the box are of substantially planar design on the outer side of the box.
  8. Irrigation and/or drainage box according to one of claims 1-7, characterized in that columns which do not adjoin the side walls are substantially round in cross section.
  9. Irrigation and/or drainage box according to one of claims 1-8, characterized in that at least one of the side walls is provided with an opening in which a pipe part can be placed.
  10. Irrigation and/or drainage box according to claim 9, characterized in that the opening is provided with a grate.
  11. Irrigation and/or drainage box according to claim 10, characterized in that the grate is removable.
  12. Irrigation and/or drainage box according to one of claims 9-11, characterized in that two side walls which lie opposite one another are provided with an opening.
  13. Irrigation and/or drainage box according to one of claims 1-12, characterized in that the ratio between the length and the width of the box is 2:1.
  14. Irrigation and/or drainage box according to claim 13, characterized in that the columns are provided with connection parts and positioned in such a manner that two boxes can be placed against one another with their longitudinal axes parallel to one another so that they completely overlap, but also with their longitudinal axes perpendicular to one another.
  15. Irrigation and/or drainage unit comprising two boxes according to one or more of claims 1-14 which have been placed with the open sides towards one another and have been connected to one another.
  16. Irrigation and/or drainage system comprising a plurality of boxes according to one or more of claims 1-14.
EP99200704A 1998-03-18 1999-03-09 Irrigation and drainage box Expired - Lifetime EP0943737B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29924050U DE29924050U1 (en) 1998-03-18 1999-03-09 Irrigation and / or drainage box

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1008627A NL1008627C2 (en) 1998-03-18 1998-03-18 Irrigation and / or drainage tray.
NL1008627 1998-03-18

Publications (2)

Publication Number Publication Date
EP0943737A1 true EP0943737A1 (en) 1999-09-22
EP0943737B1 EP0943737B1 (en) 2003-06-04

Family

ID=19766764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99200704A Expired - Lifetime EP0943737B1 (en) 1998-03-18 1999-03-09 Irrigation and drainage box

Country Status (5)

Country Link
EP (1) EP0943737B1 (en)
AT (1) ATE242366T1 (en)
DE (1) DE69908459T2 (en)
DK (1) DK0943737T3 (en)
NL (1) NL1008627C2 (en)

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US9775304B2 (en) 2013-04-04 2017-10-03 Strata Innovations Pty Limited Modular cell and matrix for supporting a load bearing feature
US10132069B2 (en) 2014-09-19 2018-11-20 Wavin B.V. Plastic infiltration unit, a system comprising a plurality of plastic infiltration units
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US10808390B2 (en) 2014-09-19 2020-10-20 Wavin B.V. Plastic infiltration unit and system
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EP1205390A3 (en) * 2000-11-08 2003-05-07 Funke Kunststoffe GmbH Three-dimensional structure made of grid panels
EP1437305A2 (en) 2000-11-08 2004-07-14 Funke Kunststoffe GmbH Three-dimensional, box-like liquid reservoir
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EP1666668A3 (en) * 2001-05-16 2015-01-07 Fränkische Rohrwerke Gebr. Kirchner GmbH + Co KG Leaching unit
EP1260640A1 (en) * 2001-05-16 2002-11-27 FRÄNKISCHE ROHRWERKE GEBR. KIRCHNER GmbH & Co KG Leaching unit
EP1416099A3 (en) * 2002-10-31 2004-12-01 Polypipe Civils Limited A ground water drainage system
EP1452653A1 (en) * 2003-03-01 2004-09-01 Hauraton Betonwarenfabrik Gmbh & Co. Kg Leaching system
EP1469133A3 (en) * 2003-04-14 2006-01-04 Polypipe Civils Limited Apparatus and system for through flow of a fluid
WO2005040501A1 (en) * 2003-10-17 2005-05-06 Funke Kunststoffe Gmbh Drainage tank with flushing pipe
EP2169127B1 (en) 2004-06-18 2015-11-25 Wavin B.V. Infiltration block
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GB2440398A (en) * 2006-07-25 2008-01-30 Polypipe Civils Ltd Ground water system
US8833708B2 (en) 2006-12-06 2014-09-16 Jack McKenzie Droomer Support structure
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ATE242366T1 (en) 2003-06-15
DE69908459T2 (en) 2004-05-06
DK0943737T3 (en) 2003-06-23
DE69908459D1 (en) 2003-07-10
EP0943737B1 (en) 2003-06-04
NL1008627C2 (en) 1999-09-21

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