EP2113615A1 - Zwei-Wege-Sperre gegen das Eindringen von Ratten oder anderem Ungeziefer in ein Abwasserrohrsystem - Google Patents
Zwei-Wege-Sperre gegen das Eindringen von Ratten oder anderem Ungeziefer in ein Abwasserrohrsystem Download PDFInfo
- 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
- Authority
- 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
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 251
- 239000010865 sewage Substances 0.000 title claims abstract description 148
- 241000700159 Rattus Species 0.000 title abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 17
- 230000005484 gravity Effects 0.000 claims abstract description 10
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 238000007689 inspection Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000003387 muscular Effects 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200800327 | 2008-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2113615A1 true EP2113615A1 (de) | 2009-11-04 |
EP2113615B1 EP2113615B1 (de) | 2011-05-04 |
Family
ID=41066221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09389501A Active EP2113615B1 (de) | 2008-03-05 | 2009-03-05 | Zwei-Wege-Sperre gegen das Eindringen von Ratten oder anderem Ungeziefer in ein Abwasserrohrsystem |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2113615B1 (de) |
AT (1) | ATE508230T1 (de) |
DE (1) | DE602009001209D1 (de) |
DK (1) | DK2113615T3 (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2385179A1 (de) | 2010-05-05 | 2011-11-09 | Nal Products Aps | Nagetierschutz |
WO2011158226A1 (en) | 2010-06-14 | 2011-12-22 | Hosam Costa Kassis | Non-return sewage barrier |
GB2491633A (en) * | 2011-06-10 | 2012-12-12 | Declan Martin Melia | Apparatus to prevent the free movement of rats inside sewer /drainage pipes |
EP2868823A1 (de) | 2013-10-31 | 2015-05-06 | Nordisk Innovation ApS | Schädlingsbarriere und Verfahren zum Betreiben einer solchen |
EP2685015A3 (de) * | 2012-07-13 | 2017-06-14 | Ratèl APS | Verfahren zur Installation von Ausrüstung in die Öffnung eines seitlichen Abzweigrohrs sowie Montage- und Befestigungswerkzeug zur Verwendung mit dem Verfahren |
WO2019068301A1 (en) * | 2017-10-03 | 2019-04-11 | Sewatech Aps | BARRIER AGAINST RATS AND VERMINE SUITABLE FOR INSTALLATION IN A SEWER PIPE |
EP3739136A1 (de) | 2019-05-15 | 2020-11-18 | Nordisk Innovation ApS | Schädlingsbarriere mit verriegelungsmechanismus |
EP3792414A1 (de) | 2014-04-16 | 2021-03-17 | Nordisk Innovation ApS | Rattensperre mit glatten und gezahnten klappen |
GB2588082A (en) * | 2019-08-22 | 2021-04-21 | Ratgate Ltd | Rodent control device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4086399B1 (de) | 2021-05-03 | 2024-09-25 | Nordisk Innovation ApS | Barriere zur installation in einem abwassersystem mit begrenztem raum |
Citations (6)
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 (en) | 1991-06-06 | 1992-12-10 | Torben Jensen | Means for barring animals, in particular rats, from entering a network of tubes, for instance a section of a sewerage system |
DE4322260A1 (de) * | 1993-07-05 | 1995-01-19 | Norbert Richling | Klappe im Abwasserrohr |
WO2003069082A1 (en) | 2002-02-14 | 2003-08-21 | Ernst Kragh | A barrier for preventing a rat from entering a sewage pipe |
EP1826326A2 (de) | 2006-02-27 | 2007-08-29 | Nordisk Innovation ApS | Schranke zur Vermeidung des Eindringens von Ratten und anderer Schädlinge in ein Abwasserrohrssystem |
-
2009
- 2009-03-05 DK DK09389501.9T patent/DK2113615T3/da active
- 2009-03-05 EP EP09389501A patent/EP2113615B1/de active Active
- 2009-03-05 AT AT09389501T patent/ATE508230T1/de active
- 2009-03-05 DE DE602009001209T patent/DE602009001209D1/de active Active
Patent Citations (6)
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 (en) | 1991-06-06 | 1992-12-10 | Torben Jensen | Means for barring animals, in particular rats, from entering a network of tubes, for instance a section of a sewerage system |
DE4322260A1 (de) * | 1993-07-05 | 1995-01-19 | Norbert Richling | Klappe im Abwasserrohr |
WO2003069082A1 (en) | 2002-02-14 | 2003-08-21 | Ernst Kragh | A barrier for preventing a rat from entering a sewage pipe |
EP1826326A2 (de) | 2006-02-27 | 2007-08-29 | Nordisk Innovation ApS | Schranke zur Vermeidung des Eindringens von Ratten und anderer Schädlinge in ein Abwasserrohrssystem |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2385179A1 (de) | 2010-05-05 | 2011-11-09 | Nal Products Aps | Nagetierschutz |
US20110272052A1 (en) * | 2010-05-05 | 2011-11-10 | Niels Arne Lauridsen | Rodent Guard |
WO2011158226A1 (en) | 2010-06-14 | 2011-12-22 | Hosam Costa Kassis | Non-return sewage barrier |
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 (de) * | 2012-07-13 | 2017-06-14 | Ratèl APS | Verfahren zur Installation von Ausrüstung in die Öffnung eines seitlichen Abzweigrohrs sowie Montage- und Befestigungswerkzeug zur Verwendung mit dem Verfahren |
EP2868823A1 (de) | 2013-10-31 | 2015-05-06 | Nordisk Innovation ApS | Schädlingsbarriere und Verfahren zum Betreiben einer solchen |
EP3792414A1 (de) | 2014-04-16 | 2021-03-17 | Nordisk Innovation ApS | Rattensperre mit glatten und gezahnten klappen |
WO2019068301A1 (en) * | 2017-10-03 | 2019-04-11 | Sewatech Aps | BARRIER AGAINST RATS AND VERMINE SUITABLE FOR INSTALLATION IN A SEWER PIPE |
US11470838B2 (en) * | 2017-10-03 | 2022-10-18 | Sewatech Aps | Rat and vermin barrier suitable for installation in a sewage pipe |
EP3739136A1 (de) | 2019-05-15 | 2020-11-18 | Nordisk Innovation ApS | Schädlingsbarriere mit verriegelungsmechanismus |
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 |
---|---|
DE602009001209D1 (de) | 2011-06-16 |
DK2113615T3 (da) | 2011-08-15 |
EP2113615B1 (de) | 2011-05-04 |
ATE508230T1 (de) | 2011-05-15 |
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