EP2113615A1 - Barrière bidirectionelle pour empêcher les rats ou autres animaux indésirables d'entrer dans un système de tuyau pour eaux usées - Google Patents

Barrière bidirectionelle pour empêcher les rats ou autres animaux indésirables d'entrer dans un système de tuyau pour eaux usées Download PDF

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Publication number
EP2113615A1
EP2113615A1 EP09389501A EP09389501A EP2113615A1 EP 2113615 A1 EP2113615 A1 EP 2113615A1 EP 09389501 A EP09389501 A EP 09389501A EP 09389501 A EP09389501 A EP 09389501A EP 2113615 A1 EP2113615 A1 EP 2113615A1
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EP
European Patent Office
Prior art keywords
contact surface
barrier
shutter
pipe section
sewage
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
EP09389501A
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German (de)
English (en)
Other versions
EP2113615B1 (fr
Inventor
Lykke Sorensen Flemming
Lykke Sorensen Michael
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Nordisk Innovation ApS
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Nordisk Innovation ApS
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.)
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Application filed by Nordisk Innovation ApS filed Critical Nordisk Innovation ApS
Publication of EP2113615A1 publication Critical patent/EP2113615A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/06—Devices for restraining rats or other animals

Definitions

  • the feature of the first shutter being capable of being locked in any position, or at least in a multitude of positions of the first shutter incurs great advantages. If the sewage pipe system is being flooded, the first shutter will open at least partly, possibly open fully.
  • a rat or other vermin may however still be able to withstand any minor or major flooding of sewage, and during such flooding try to force open the first shutter for entering the sewage pipe system on the other side of the first shutter. Such occurrence is prevented when the first shutter, when being in another angular position, where said other angular position is substantially different from the one angular position, also will engage with the first part of the locking mechanism thereby preventing further pivoting of the first shutter.
  • the second shutter being the shutter controlling the locking of pivoting of the first shutter
  • the second shutter being the upstream shutter
  • the second shutter thus being the shutter which the rat of the vermin will try to open first
  • the second shutter will be the safest shutter to control any locking of the first shutter, possibly together with the second shutter.
  • Applying a downwards force is easily done by any person, possibly by just using the weight of the person for exerting the lateral force or the downwards/upwards force to the first contact surface and/or the second contact surface. There is as such no need for an especially strong person for installing the barrier according to the invention into a sewage pipe system. Many private users as well as professional users will be capable of installing the barrier.
  • a pipe section of the barrier has one end intended for facing a pipe section of the sewage system, when the barrier is installed in the sewage system, and where an opposite end of the pipe section having an inclination leading from a top surface of the pipe section to a bottom surface of the pipe section 34, said inclination resulting in a top generatrix along the top surface is extending farther forwards in relation to a sewage flow direction, when the barrier is installed in the sewage system, than an extension of a bottom generatrix along the bottom surface.
  • This embodiment is in the case, where the blunt end of the pipe section of the barrier is directed upstream of the sewage flow.
  • a barrier as mentioned has the great advantage that the barrier may easily and quickly be installed by a non-professional person, without any specific skills within sewage systems. Also, a barrier as mentioned has the great advantage that the barrier may easily and quickly be installed by a person without any specific technical or physical skills. Thus, the barrier may be installed by almost any gown-up person living in a private household or working in an industrial site, and wanting to install a barrier for vermin such as rats in an already established sewage pipe system of the private household or the industrial site.
  • the advantage of non-technical skills needed is due to the fact that the pipe section of the barrier has an initial configuration having a smaller cross-section in which initial configuration the only skill needed is to insert a pipe section of the barrier and having a relatively smaller cross-section into a pipe section of the sewage system and having a relatively larger cross-section.
  • Such a skill i.e. inserting a pipe having a relatively smaller cross-section into a pipe of relatively larger cross-section, is ordinary skills of any person.
  • At least the downwards orientated contact surface will be designed for flush abutment with the bottom of the pipe section of the sewage system.
  • any flow of sewage water through the pipe section of the sewage system may take place practically un-obstructed by any parts of the barrier, except by the intended obstruction of the at least one shutter.
  • the at least one shutter is only obstructing the flow of sewage water, and of any vermin such as rats trying to enter the pipe section, in an upstream direction, not in a downstream direction.
  • the first contact surface being an integrate part of the pipe section of the barrier and the second contact surface being an individual part of the barrier has the advantage that it is only the second contact surface that need being forced towards the sidewall of the pipe section of the sewage system.
  • the increase of the mutual distance between the first contact surface and the second contact surface is obtained by repulsive forcing only the second contact surface towards the sidewall.
  • the first contact surface will be forced towards the sidewall as well, but not directly, but indirectly, by means of repulsive force.
  • the mechanical complexity of the barrier is even more limited because not any of the first contact surface and the second contact surface has to be displaceable in relation to the pipe section of the barrier.
  • the repulsive force needed for forcing the first contact surface and the second contact surface towards the sidewall of the sewage system may be higher due to the need for actually altering the shape of the circumference of the pipe section of the barrier.
  • the repulsive force needed depends on the choice of material, on the dimensions and on the construction of the pipe section of the barrier.
  • the first contact surface constitutes an individual part of the pipe section of the barrier
  • the second contact surface constitutes an individual part of the pipe section
  • said first contact surface and said second contact surface being displaceable in relation to each other in a lateral direction in relation to a longitudinal extension of the pipe section.
  • the mechanical complexity of the barrier may be increased because both the first contact surface and the second contact surface have to be displaceable in relation to the pipe section of the barrier.
  • the repulsive force needed for forcing the first contact surface and the second contact surface towards the sidewall of the sewage system may be lesser compared to repulsive forcing an integrate first contact surface and an integrate second contact surface at the same time towards the sidewall of the pipe section of the sewage system.
  • a vertically orientated force is easy to establish from a top of a man-hole or inspection-hole of a sewage pipe system and down into the manhole or inspection hole. None muscular strength as such is needed by the person applying the vertically orientated force, possibly only the weight of the person him- or her-self is needed for applying the vertically orientated force.
  • the vertically orientated force is diverted laterally towards the first contact surface and/or the second contact surface, substantially without any loss of force occurring.
  • a vertically orientated force is easy to establish from a top of a man-hole or inspection-hole of a sewage pipe system and down into the manhole or inspection hole. None muscular strength as such is needed by the person applying the vertically orientated force, possibly only the weight of the person him- or her-self is needed for applying the vertically orientated force. By directing the vertically orientated force directly downwards, possibly without any lever arm of the barrier, the vertically orientated force is directed directly towards the contact surface without any loss of force occurring.
  • the suspension of the first shutter 30 is arranged about an axis 32 such that the first shutter is having a centre of gravity lying under the axis 32.
  • the first shutter 30 is pivotal between a first angular position in which the at least one shutter 30 is forming a first relatively larger angle v (see fig. 3 ) with the direction of flow of waste material and at least substantially barring the aperture of the barrier, and a second angular position in which the at least one shutter is forming a second relatively smaller angle w (see fig. 4 ) with the direction of flow of waste material and at least partly keeping open the aperture of the barrier.
  • the suspension of the second shutter 31 from the first shutter 30 is also arranged about an axis 35 such that the second shutter 31 is having a centre of gravity lying under the axis 35.
  • the second shutter 31 will, during normal use, pivot together with first shutter 30 because the second shutter 31 is suspended from the first shutter 30.
  • the second shutter 31 may additionally or alternatively pivot independently of any pivoting of the first shutter 31 about the axis 35 from which the second shutter 31 is suspended, said axis 35 being supported in bearings (not shown) of the first shutter 31.
  • the second shutter 31 may furthermore pivot independently between a first position in relation to the first shutter, in which first position a lower part 36 of the second shutter 31 is resting on a lower part 37 the first shutter 30 (see fig. 5 ), and a second position in relation to the first shutter 30, in which second position the lower part 36 of the second shutter 31 is raised from the lower part 37 of the first shutter 30 (see fig. 6 ).
  • the barrier is furthermore provided with a first contact surface 4 and a second contact surface 5.
  • the contact surfaces 4,5 are provided at downwards oriented and upwards orientated sidewalls, respectively, of the pipe section 34 of the barrier.
  • the contact surfaces 4,5 are intended for being forced outwards towards sidewalls of a full-circumference pipe of the sewage pipe system.
  • the outwards orientated contact surface 4,5 are integrate parts of the pipe section 34 of the barrier and has the shape of part of the circumference of a circular pipe.
  • the contact surfaces 4,5 constitute the exterior dimensions of the pipe section 34 of the barrier.
  • the one contact surface 4 constitutes one part of the outside the wall boundary of the pipe section 34 of the barrier and the other contact surface 5 constitutes another part of the outside the wall boundary of the pipe section 34 of the barrier.
  • the contact surfaces may be pivoted between a collapsed configuration (see fig. 1 ) and an expanded configuration (see fig. 2 ), as will be explained later.
  • the collapsed configuration is the configuration during which the barrier is intended for being installed in the sewage pipe system.
  • the expanded configuration is the configuration after which the barrier has been installed in the sewage pipe system.
  • the contact surfaces 4,5 is in the expanded state and constitute relatively larger exterior dimensions of a pipe section 34 of the barrier.
  • the configuration where the contact surface constitutes the larger exterior dimensions of the pipe section 34 of the barrier is the configuration, as mentioned above, where the barrier has been installed in the sewage pipe system and is the configuration, where the barrier during use as a barrier.
  • Pivoting of the contact surfaces 4,5 from the configuration, where the contact surfaces constitute relatively smaller exterior dimensions of the pipe section 34 of the barrier, to the configuration, where the contact surfaces 4,5 constitute the relatively larger exterior dimensions of the pipe section 34 of the barrier, is obtained by applying a repulsive force between the one contact surface 4 and the other contact surface 5.
  • the repulsive force is applied by means of a vertically displaceable bushing 43 acting on lever arms 44,45 of each of the contacts surfaces 4,5.
  • the vertically displaceable bushing 43 is positioned in a raised position in the configuration where the contact surfaces 4,5 constitute the relatively smaller exterior dimensions of the pipe section 34 of the barrier, and the vertically displaceable bushing 43 is positioned in a lowered position in the configuration where the contact surfaces 4,5 constitute the relatively larger exterior dimensions of the pipe section 34 of the barrier.
  • the bushing 43 is attached to a vertically extending post 46.
  • the post 46 is intended for being operated by a manually or automatically operated rod (not shown) extending all the way from the pipe section 34 of the barrier to the top of the inspection-hole in the bottom of which the barrier is to be installed.
  • the post 46 is provided with an interior screw thread and is furthermore capable of rotating around an exterior screw thread of a guide pin 47 extending from the mantle 8 of the barrier. Thus, rotating the post 46 around the guide pin 47 will result in also the bushing 43 sliding along the guide pin 47.
  • a lower part 36 of the second shutter 31 is resting at a lower part 37 of the first shutter 30.
  • the first shutter 30 and the second shutter 31 act as one shutter only, the second shutter 31 pivoting along with any pivoting of the first shutter 30 whenever the first shutter 30 is pivoting.
  • the second shutter 31 is not pivoted in relation to the first shutter 31, and apart from the mass of the second shutter 31, the second shutter 31 is not in any way limiting or blocking the pivoting of the first shutter 30.
  • the first shutter 30 is also partly open leaving a small space beneath the first shutter 30 for allowing waste water and other sewage material to pass.
  • the first shutter 30 could also be fully closed as shown in fig. 3 or fully open as shown in fig. 4 , depending on the amount of sewage material and the size of the sewage material passing the first shutter 30.
  • the first shutter 30 and the second shutter 31 act both combined and independently, the second shutter 31 pivoting along with any pivoting of the first shutter 30 whenever the first shutter is pivoting, but the second shutter 31 also being pivoted in relation to first shutter 30. Pivoting of the second shutter 31 in relation to the first shutter 30 takes place when a force is applied upstream at the lower part 36 of the second shutter 31.
  • the first shutter and the second shutter together with the support element are attached to a mantle 8 by means of a bolt 41 extending through a hole (not shown) in the mantle 8 and being screwed into a screw thread (not shown) provided in the support element 33.
  • the first shutter and the second shutter are capable of being positioned either in a first orientation in the barrier or in the other orientation in the barrier, depending on the possible entering of the vermin.
  • the first shutter and the second shutter are positioned in the first orientation (see fig. 1-6 ), preventing rats and other vermin to enter the man-hole or the inspection-hole, as seen from left to right in the plane of the drawing.
  • the contact surfaces 4,5 is in the configuration where the contact surfaces 4,5 constitute the relatively smaller exterior dimensions of the pipe section 34 of the barrier. Thus, the contact surfaces 4,5 is not in the way during insertion of the pipe section 34 of the barrier into the outlet pipe section 50 of the sewage system.
  • the contact surfaces 4,5 are activated by applying a repulsive force between the contact surfaces 4,5.
  • the repulsive force is applied as described, i.e. by sliding the post 46 downwards, thereby pushing downwards the bushing 43, and via the lever arms 44,45 forcing the contact surfaces 4,5 outwards towards an inner circumference of the pipe section 50 of the sewage system.
  • a mutual distance between the contact surfaces 4,5 is increased when the contact surfaces 4,5 are forced outwards.
  • the cut-away is shown having a substantially rectangular shap from the top surface 53 of the contact surfaces 4,5, downwards to the bottom surface 54 of the contact surfaces 4,5.
  • the cut-away may be triangular, i.e. extending so that a hypotenuse of the triangle constitute a border between the contact surfaces 4,5 and the cut-away, thereby increasing the structural strength of the contact surfaces 4,5.
  • the pipe section 34 of the barrier extends along at least part of a circular circumference.
  • Other circumferences such as oval, triangular, square of other polygonal of non-polygonal shapes could also be envisaged.

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)
  • Catching Or Destruction (AREA)
  • Road Signs Or Road Markings (AREA)
EP09389501A 2008-03-05 2009-03-05 Barrière bidirectionelle pour empêcher les rats ou autres animaux indésirables d'entrer dans un système de tuyau pour eaux usées Active EP2113615B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA200800327 2008-03-05

Publications (2)

Publication Number Publication Date
EP2113615A1 true EP2113615A1 (fr) 2009-11-04
EP2113615B1 EP2113615B1 (fr) 2011-05-04

Family

ID=41066221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09389501A Active EP2113615B1 (fr) 2008-03-05 2009-03-05 Barrière bidirectionelle pour empêcher les rats ou autres animaux indésirables d'entrer dans un système de tuyau pour eaux usées

Country Status (4)

Country Link
EP (1) EP2113615B1 (fr)
AT (1) ATE508230T1 (fr)
DE (1) DE602009001209D1 (fr)
DK (1) DK2113615T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2385179A1 (fr) 2010-05-05 2011-11-09 Nal Products Aps Dispositif anti-rongeurs
WO2011158226A1 (fr) 2010-06-14 2011-12-22 Hosam Costa Kassis Clapet anti-retour pour eaux d'égout
GB2491633A (en) * 2011-06-10 2012-12-12 Declan Martin Melia Apparatus to prevent the free movement of rats inside sewer /drainage pipes
EP2868823A1 (fr) 2013-10-31 2015-05-06 Nordisk Innovation ApS Barrière de vermine
EP2685015A3 (fr) * 2012-07-13 2017-06-14 Ratèl APS Procédé d'installation d'un équipement dans la bouche d'un tuyau d'embranchement latéral ainsi qu'un outil de fixation et de montage destiné à être utilisé avec le procédé
WO2019068301A1 (fr) * 2017-10-03 2019-04-11 Sewatech Aps Barrière contre les rats et la vermine convenant à une installation dans un tuyau d'égout
EP3739136A1 (fr) 2019-05-15 2020-11-18 Nordisk Innovation ApS Barrière contre la vermine avec mécanisme de verrouillage
EP3792414A1 (fr) 2014-04-16 2021-03-17 Nordisk Innovation ApS Barrière à rat dotée d'obturateurs dentés et lisses
GB2588082A (en) * 2019-08-22 2021-04-21 Ratgate Ltd Rodent control device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4086399A1 (fr) 2021-05-03 2022-11-09 Nordisk Innovation ApS Barrière pour installation dans un système d'eaux usées à espace limité

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE699005C (de) 1938-10-28 1940-11-21 Henry Nowak In ein Kanalstueck einzusetzende Rattensperre
US4356087A (en) * 1981-08-24 1982-10-26 Miles Robert A Rodent barrier device
WO1992021830A1 (fr) 1991-06-06 1992-12-10 Torben Jensen Dispositif empechant les animaux, notamment les rats, de penetrer dans un reseau de tuyaux tel qu'une section d'un systeme d'egouts
DE4322260A1 (de) * 1993-07-05 1995-01-19 Norbert Richling Klappe im Abwasserrohr
WO2003069082A1 (fr) 2002-02-14 2003-08-21 Ernst Kragh Barriere permettant d'empecher un rat de penetrer dans une canalisation d'egout
EP1826326A2 (fr) 2006-02-27 2007-08-29 Nordisk Innovation ApS Barrière pour empêcher les rats ou autres animaux indésirables d'entrer dans un système de tuyau pour eaux usées

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE699005C (de) 1938-10-28 1940-11-21 Henry Nowak In ein Kanalstueck einzusetzende Rattensperre
US4356087A (en) * 1981-08-24 1982-10-26 Miles Robert A Rodent barrier device
WO1992021830A1 (fr) 1991-06-06 1992-12-10 Torben Jensen Dispositif empechant les animaux, notamment les rats, de penetrer dans un reseau de tuyaux tel qu'une section d'un systeme d'egouts
DE4322260A1 (de) * 1993-07-05 1995-01-19 Norbert Richling Klappe im Abwasserrohr
WO2003069082A1 (fr) 2002-02-14 2003-08-21 Ernst Kragh Barriere permettant d'empecher un rat de penetrer dans une canalisation d'egout
EP1826326A2 (fr) 2006-02-27 2007-08-29 Nordisk Innovation ApS Barrière pour empêcher les rats ou autres animaux indésirables d'entrer dans un système de tuyau pour eaux usées

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2385179A1 (fr) 2010-05-05 2011-11-09 Nal Products Aps Dispositif anti-rongeurs
US20110272052A1 (en) * 2010-05-05 2011-11-10 Niels Arne Lauridsen Rodent Guard
WO2011158226A1 (fr) 2010-06-14 2011-12-22 Hosam Costa Kassis Clapet anti-retour pour eaux d'égout
GB2491633B (en) * 2011-06-10 2017-07-05 Martin Melia Declan Apparatus to prevent the free movement of rats inside sewer/drainage pipes
GB2491633A (en) * 2011-06-10 2012-12-12 Declan Martin Melia Apparatus to prevent the free movement of rats inside sewer /drainage pipes
EP2685015A3 (fr) * 2012-07-13 2017-06-14 Ratèl APS Procédé d'installation d'un équipement dans la bouche d'un tuyau d'embranchement latéral ainsi qu'un outil de fixation et de montage destiné à être utilisé avec le procédé
EP2868823A1 (fr) 2013-10-31 2015-05-06 Nordisk Innovation ApS Barrière de vermine
EP3792414A1 (fr) 2014-04-16 2021-03-17 Nordisk Innovation ApS Barrière à rat dotée d'obturateurs dentés et lisses
WO2019068301A1 (fr) * 2017-10-03 2019-04-11 Sewatech Aps Barrière contre les rats et la vermine convenant à une installation dans un tuyau d'égout
US11470838B2 (en) * 2017-10-03 2022-10-18 Sewatech Aps Rat and vermin barrier suitable for installation in a sewage pipe
EP3739136A1 (fr) 2019-05-15 2020-11-18 Nordisk Innovation ApS Barrière contre la vermine avec mécanisme de verrouillage
GB2588082A (en) * 2019-08-22 2021-04-21 Ratgate Ltd Rodent control device
GB2588082B (en) * 2019-08-22 2022-12-21 Ratgate Ltd Rodent control device

Also Published As

Publication number Publication date
ATE508230T1 (de) 2011-05-15
DK2113615T3 (da) 2011-08-15
EP2113615B1 (fr) 2011-05-04
DE602009001209D1 (de) 2011-06-16

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