EP2778305B1 - Sharp-edged drainage channel - Google Patents

Sharp-edged drainage channel Download PDF

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Publication number
EP2778305B1
EP2778305B1 EP14158659.4A EP14158659A EP2778305B1 EP 2778305 B1 EP2778305 B1 EP 2778305B1 EP 14158659 A EP14158659 A EP 14158659A EP 2778305 B1 EP2778305 B1 EP 2778305B1
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EP
European Patent Office
Prior art keywords
drainage channel
floor
sharp
concrete anchor
interface
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.)
Revoked
Application number
EP14158659.4A
Other languages
German (de)
French (fr)
Other versions
EP2778305A1 (en
Inventor
Per Thanning Johansen
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.)
Bluecher Metal AS
Original Assignee
Bluecher Metal AS
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
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Application filed by Bluecher Metal AS filed Critical Bluecher Metal AS
Priority to PL14158659T priority Critical patent/PL2778305T3/en
Publication of EP2778305A1 publication Critical patent/EP2778305A1/en
Application granted granted Critical
Publication of EP2778305B1 publication Critical patent/EP2778305B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E03F3/046—Open sewage channels

Definitions

  • the present invention concerns a sharp-edged drainage channel.
  • the invention more specifically concerns a drainage channel for casting into a floor, wherein the drainage channel is adapted along its longitudinal direction to conduct drain water towards a drain, and wherein the drainage channel includes at least one concrete anchor for fastening in the cast floor, and a concave shell form including at least one upper rim extending in longitudinal direction of the drainage channel, the upper rim bordering the cast floor and which by casting of the drainage channel into the floor is located at or immediately under the surface level of the floor.
  • oblong drainage channels may be provided in the floor with a slope whereby excessive water is conducted to a drain via the drainage channels.
  • oblong drain channels will thus be provided in the floor with the task of conducting water to one or more drains placed at strategic points in the production area.
  • Wet rooms with such drain channels are e.g. frequently used in connection with breweries and slaughterhouses where the drain channels are cast into epoxy floors, and in places with heavy emphasis on optimal hygiene.
  • the transition between floor and grating is sufficiently tight in order to prevent dirt and water from penetrating down between the drainage channels and the floor, providing a breeding ground for bacterial growth.
  • the floors are either cast right up to the drainage channels or a joint is usually added between the cast floor and the drainage channel.
  • the drainage channels typically consist of a concave shell form and one or more concrete anchors.
  • the concrete anchors enhance retention of the drainage channels to the cast floor.
  • the concrete anchors are often formed as an integrated part of the shell form, usually by bending the latter.
  • the interface formed hereby between the drainage channel and the floor will be constituted by an inclining interface.
  • An example of a drainage channel of this type is known from EP 0 677 622 B1 .
  • a drainage channel where the upper rim is finished by a bent edge part. A radius of curvature appears in the bent metal sheet by the bending. The upper edge is thus not sharp-edged at the end.
  • Similar solutions are shown in EP 893545 A2 and EP 1170428 A1 .
  • a drainage channel of this type is known from DE 20212287 U1
  • a drainage channel where the drainage channel is anchored in the floor by an anchor which is attached to the lower side of the upper shoulder of a drainage channel.
  • the inclining interface often means that the epoxy will break, forming cracks that cannot be cleaned sufficiently.
  • a similar situation is observed by pointing where an inclining interface will mean a joint that varies in thickness at the transition from the joint to the drainage channel where the joint becomes gradually thinner. The thinnest part of the joint will easily release the fastening to the drainage channel during daily use and cleaning. The joint will therefore flap up whereby sufficient cleaning no longer can be achieved. Moreover, this means that the joint will slowly become more and more loose whereby water and dirt will penetrate down between the drainage channel and the floor.
  • An object of the invention is to solve the above problems, including solving the problem of insufficient sealing at the transition from floor to drainage channel.
  • a drainage channel of the type mentioned in the introduction which is peculiar in that the upper rim has a sharp-edge at a transition from an upper surface to an interface towards the floor, and where the sharp edge is provided by cutting off an end part of a sheet, whereby the sharp edge appears as a corner formed by an end face or section and a plane surface, which is largely rectangular, and where the sharp edged interface is approximately parallel with the longitudinal centre plane of the drainage channel and approximately perpendicular to the floor surface, and wherein the concrete anchor includes a surface which is mounted in continuation of the sharp edged interface.
  • sharp-edged is meant an edge appearing by cutting off an end part of a sheet.
  • the sheet thereby appears as a corner formed by an end face or section and a plane surface, and which is largely rectangular. It is therefore not a corner formed by bending a sheet. By such bending there will always appear a radius of curvature.
  • the cutting can be performed by machining, by laser cutting or other suitable technique.
  • the upper edge of the drainage channel is sharp-edged instead of rounded as by the prior art.
  • This means that the sharp edge forms an interface towards the floor which is approximately straight instead of inclining.
  • the interface will be about perpendicular to the surface of the floor in which the drainage channel is cast.
  • the concrete anchor includes a surface which is mounted in continuation of the sharp edged interface.
  • the interface is hereby extended by the surface from the concrete anchor, thus optimising the transition from drainage channel to floor/joint.
  • the surface of the concrete anchor is approximately parallel with the longitudinal centre plane of the drainage channel. This is particularly suitable in that the interface formed at the upper rim is extended by the surface of the concrete anchor in an approximately straight line which will be approximately perpendicular to the surface of the floor after casting the latter.
  • the interface is extended hereby, and the area in which an efficient sealing can be achieved between floor and drainage channel is increased, and the sealing is made more durable.
  • the at least one concrete anchor and the shell form are two separate elements. This means that the concrete anchor and the shell form are not formed of a single element, but they are formed separately and subsequently fastened to each other. This is a great advantage in production as it hereby becomes easier to produce a sharp edge that may function as an interface.
  • the concrete anchor is fastened under the sharp-edged part of the drainage channel.
  • the interface towards the floor is constituted by an approximately straight section so that sufficient sealing is achieved between the drainage channel and the floor, irrespective of the appearance of the concrete anchor.
  • the concrete anchor is fastened by means of all-welding.
  • An efficient fastening of the concrete anchor to the shell form is hereby achieved whereby inadvertent separation of the concrete anchor from the shell form is prevented.
  • the concrete anchor is fastened to the shell form.
  • the concrete anchor can hereby be secured in a desired position in relation to the shell form. Moreover, it is avoided that the concrete anchor is moving inexpediently relative to the shell form during the casting process.
  • the concrete anchor is fastened by spot welding.
  • the drainage channel is made of stainless steel. This material is particularly suitable in connection with drains with respect to durability as well as hygiene.
  • Fig. 1 shows an example of prior art.
  • Fig. 1 illustrates a drainage channel 101 including a shell form 103 and two concrete anchors 105a,b.
  • the two concrete anchors 105a,b are designed integrated with the shell form 103 by bending of the latter.
  • an upper edge 107 which by casting of the drainage channel into a floor will be located at or immediately under the surface level of the floor.
  • the upper edge is formed by bending, it will consist of rounded edges whereby an inclining interface 109 with the floor is formed. It will be difficult therefore to achieve a permanent and stable sealing between the drainage channel and the cast floor.
  • Fig. 2A shows the interface when it is inclining where a transition from floor material or joint filler 201A to the upper edge 207A of the drainage channel appears. Right at the tip there will be a very thin layer of floor material or joint filler which can come loose.
  • Fig. 2B shows a transition to the edge of a drainage channel according to the invention where floor material or joint filler 201B abuts on an upper edge 207B which is sharp-edged, thereby avoiding the gradual transition and the associated problems.
  • Figs. 3A-D illustrate a first embodiment of a drainage channel 301 with a sharp-edged upper rim 307 as seen from various angles, where Fig. 3A is a cross-section, Fig. 3B is viewed obliquely from above, Fig. 3C is a view from above, and Fig. 3D is a view from the side.
  • the drainage channel includes a concave shell form 303 and two concrete anchors 305a,b.
  • the shell form 303 has an upper rim 307 that has a sharp-edged corner at an interface 311towards the floor material.
  • the sharp-edged interface 311 forms a first interface towards the floor during casting which is approximately parallel with the longitudinal centre plane 313 of the drainage channel.
  • the two concrete anchors 305a,b are fastened to the shell form under the sharp-edged upper rim 307.
  • the concrete anchors 305a,b can be fastened by means of an all-welding between the sharp-edged upper rim 307 and the concrete anchor 305a,b.
  • the concrete anchor 305a,b can be fastened to the shell form by means of a spot welding between the concrete anchor 305a,b and the shell form 303.
  • the concrete anchors 305a,b include a surface 315a,b in continuation of the interface 311 of the upper edge. This surface 315a,b is approximately parallel with the longitudinal centre plane 313 of the drainage channel. The interface is hereby extended towards the floor during the casting process and retention of the drainage channel is improved.

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)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Sewage (AREA)

Description

    Scope of the Invention
  • The present invention concerns a sharp-edged drainage channel. The invention more specifically concerns a drainage channel for casting into a floor, wherein the drainage channel is adapted along its longitudinal direction to conduct drain water towards a drain, and wherein the drainage channel includes at least one concrete anchor for fastening in the cast floor, and a concave shell form including at least one upper rim extending in longitudinal direction of the drainage channel, the upper rim bordering the cast floor and which by casting of the drainage channel into the floor is located at or immediately under the surface level of the floor.
    • Background of the Invention
  • In connection with floor drains, e.g. in connection with wet rooms in production areas of slaughterhouses or similar, oblong drainage channels may be provided in the floor with a slope whereby excessive water is conducted to a drain via the drainage channels. Typically, oblong drain channels will thus be provided in the floor with the task of conducting water to one or more drains placed at strategic points in the production area. Wet rooms with such drain channels are e.g. frequently used in connection with breweries and slaughterhouses where the drain channels are cast into epoxy floors, and in places with heavy emphasis on optimal hygiene.
  • In order to achieve optimal hygiene it will be necessary to ensure that the transition between floor and grating is sufficiently tight in order to prevent dirt and water from penetrating down between the drainage channels and the floor, providing a breeding ground for bacterial growth. In order to ensure this, the floors are either cast right up to the drainage channels or a joint is usually added between the cast floor and the drainage channel.
  • The drainage channels typically consist of a concave shell form and one or more concrete anchors. The concrete anchors enhance retention of the drainage channels to the cast floor. The concrete anchors are often formed as an integrated part of the shell form, usually by bending the latter. The interface formed hereby between the drainage channel and the floor will be constituted by an inclining interface.
  • An example of a drainage channel of this type is known from EP 0 677 622 B1 . Herein is described a drainage channel where the upper rim is finished by a bent edge part. A radius of curvature appears in the bent metal sheet by the bending. The upper edge is thus not sharp-edged at the end. Similar solutions are shown in EP 893545 A2 and EP 1170428 A1 .
  • Another example of a drainage channel of this type is known from DE 20212287 U1 Herein is described a drainage channel where the drainage channel is anchored in the floor by an anchor which is attached to the lower side of the upper shoulder of a drainage channel.
  • If the floor surface is made of epoxy, the inclining interface often means that the epoxy will break, forming cracks that cannot be cleaned sufficiently. A similar situation is observed by pointing where an inclining interface will mean a joint that varies in thickness at the transition from the joint to the drainage channel where the joint becomes gradually thinner. The thinnest part of the joint will easily release the fastening to the drainage channel during daily use and cleaning. The joint will therefore flap up whereby sufficient cleaning no longer can be achieved. Moreover, this means that the joint will slowly become more and more loose whereby water and dirt will penetrate down between the drainage channel and the floor.
    • Object of the Invention
  • An object of the invention is to solve the above problems, including solving the problem of insufficient sealing at the transition from floor to drainage channel.
    • Description of the Invention
  • According to the present invention this is achieved by a drainage channel of the type mentioned in the introduction which is peculiar in that the upper rim has a sharp-edge at a transition from an upper surface to an interface towards the floor, and where the sharp edge is provided by cutting off an end part of a sheet, whereby the sharp edge appears as a corner formed by an end face or section and a plane surface, which is largely rectangular, and where the sharp edged interface is approximately parallel with the longitudinal centre plane of the drainage channel and approximately perpendicular to the floor surface, and wherein the concrete anchor includes a surface which is mounted in continuation of the sharp edged interface.
  • In the present patent application, by sharp-edged is meant an edge appearing by cutting off an end part of a sheet. The sheet thereby appears as a corner formed by an end face or section and a plane surface, and which is largely rectangular. It is therefore not a corner formed by bending a sheet. By such bending there will always appear a radius of curvature. The cutting can be performed by machining, by laser cutting or other suitable technique.
  • By having a sharp edge it is avoided that the epoxy-floor will get cracks if cast up to the drainage channel or that a possible joint will be damaged. This means that the sealing between floor and drainage channel will be maintained in intact condition such that it is avoided that dirt and contaminants penetrate down between the cast floor and the drainage channel such that optimal hygiene is not maintained.
  • This improvement is achieved in that the upper edge of the drainage channel is sharp-edged instead of rounded as by the prior art. This means that the sharp edge forms an interface towards the floor which is approximately straight instead of inclining. The interface will be about perpendicular to the surface of the floor in which the drainage channel is cast.
  • The concrete anchor includes a surface which is mounted in continuation of the sharp edged interface. The interface is hereby extended by the surface from the concrete anchor, thus optimising the transition from drainage channel to floor/joint.
  • The surface of the concrete anchor is approximately parallel with the longitudinal centre plane of the drainage channel. This is particularly suitable in that the interface formed at the upper rim is extended by the surface of the concrete anchor in an approximately straight line which will be approximately perpendicular to the surface of the floor after casting the latter. The interface is extended hereby, and the area in which an efficient sealing can be achieved between floor and drainage channel is increased, and the sealing is made more durable.
  • In an embodiment the at least one concrete anchor and the shell form are two separate elements. This means that the concrete anchor and the shell form are not formed of a single element, but they are formed separately and subsequently fastened to each other. This is a great advantage in production as it hereby becomes easier to produce a sharp edge that may function as an interface.
  • In an embodiment, the concrete anchor is fastened under the sharp-edged part of the drainage channel. Hereby it is achieved that the interface towards the floor is constituted by an approximately straight section so that sufficient sealing is achieved between the drainage channel and the floor, irrespective of the appearance of the concrete anchor.
  • In a further embodiment, the concrete anchor is fastened by means of all-welding. An efficient fastening of the concrete anchor to the shell form is hereby achieved whereby inadvertent separation of the concrete anchor from the shell form is prevented.
  • In one embodiment the concrete anchor is fastened to the shell form. The concrete anchor can hereby be secured in a desired position in relation to the shell form. Moreover, it is avoided that the concrete anchor is moving inexpediently relative to the shell form during the casting process.
  • In a further embodiment the concrete anchor is fastened by spot welding.
  • In an embodiment, the drainage channel is made of stainless steel. This material is particularly suitable in connection with drains with respect to durability as well as hygiene.
    • Short Description of the Drawing
  • The invention will now be explained more closely with reference to the accompanying drawing, wherein:
    • Fig. 1 shows a cross-section of a drainage channel without sharp-edge upper edge (prior art);
    • Figs. 2A and 2B show interface in cases with drainage channel with and without sharp-edged interface, respectively; and
    • Figs. 3A, 3B, 3C and 3D show an embodiment of a drainage channel with sharp-edged interfaces as seen from various angles.
    Detailed Description of Embodiments of the Invention
  • Fig. 1 shows an example of prior art. Fig. 1 illustrates a drainage channel 101 including a shell form 103 and two concrete anchors 105a,b. The two concrete anchors 105a,b are designed integrated with the shell form 103 by bending of the latter. Hereby is formed an upper edge 107 which by casting of the drainage channel into a floor will be located at or immediately under the surface level of the floor. As the upper edge is formed by bending, it will consist of rounded edges whereby an inclining interface 109 with the floor is formed. It will be difficult therefore to achieve a permanent and stable sealing between the drainage channel and the cast floor.
  • Fig. 2A shows the interface when it is inclining where a transition from floor material or joint filler 201A to the upper edge 207A of the drainage channel appears. Right at the tip there will be a very thin layer of floor material or joint filler which can come loose. Fig. 2B shows a transition to the edge of a drainage channel according to the invention where floor material or joint filler 201B abuts on an upper edge 207B which is sharp-edged, thereby avoiding the gradual transition and the associated problems.
  • Figs. 3A-D illustrate a first embodiment of a drainage channel 301 with a sharp-edged upper rim 307 as seen from various angles, where Fig. 3A is a cross-section, Fig. 3B is viewed obliquely from above, Fig. 3C is a view from above, and Fig. 3D is a view from the side. The drainage channel includes a concave shell form 303 and two concrete anchors 305a,b. The shell form 303 has an upper rim 307 that has a sharp-edged corner at an interface 311towards the floor material. The sharp-edged interface 311 forms a first interface towards the floor during casting which is approximately parallel with the longitudinal centre plane 313 of the drainage channel.
  • The two concrete anchors 305a,b are fastened to the shell form under the sharp-edged upper rim 307. The concrete anchors 305a,b can be fastened by means of an all-welding between the sharp-edged upper rim 307 and the concrete anchor 305a,b. Moreover, the concrete anchor 305a,b can be fastened to the shell form by means of a spot welding between the concrete anchor 305a,b and the shell form 303.
  • In the illustrated embodiment, the concrete anchors 305a,b include a surface 315a,b in continuation of the interface 311 of the upper edge. This surface 315a,b is approximately parallel with the longitudinal centre plane 313 of the drainage channel. The interface is hereby extended towards the floor during the casting process and retention of the drainage channel is improved.
  • The invention is not limited to the embodiments shown in the Figures and described above. Other embodiments with other shapes of the sharp-edged drainage channel may be envisaged within the scope of this invention and the subsequent claims.

Claims (8)

  1. A drainage channel (301) for casting into a floor, wherein the drainage channel (301) along its longitudinal direction is adapted to conduct drain water towards a drain, and wherein the drainage channel (301) includes at least one concrete anchor (305) for fastening in the cast floor, and a concave shell form (303) including at least one upper rim (307) extending in longitudinal direction of the drainage channel, the upper rim (307) bordering the cast floor and which by casting of the drainage channel into the floor is located at or immediately under the surface level of the floor, characterised in that the upper rim (307) has a sharp-edge (207B) at a transition from an upper surface to an interface (311) towards the floor, and where the sharp edge (207B) is provided by cutting off an end part of a sheet, whereby the sharp edge appears as a corner formed by an end face or section and a plane surface, which is largely rectangular, and where the sharp edged interface (311) is approximately parallel with the longitudinal centre plane (313) of the drainage channel and approximately perpendicular to the floor surface, and wherein the concrete anchor (305) includes a surface (315a, 315b) which is mounted in continuation of the sharp edged interface (311).
  2. Drainage channel (301) according to claim 1, characterised in that the at least one concrete anchor (305) and the shell form (303) are two separate elements.
  3. Drainage channel (301) according to claim 2, characterised in that the concrete anchor (305) is fastened under the sharp-edge part (311) of the drainage channel (301).
  4. Drainage channel (301) according to claim 3, characterised in that the concrete anchor (305) is fastened by means of all-welding.
  5. Drainage channel (301) according to any of claims 2-4, characterised in that the concrete anchor (305) is fastened to the shell form (303).
  6. Drainage channel (301) according to claim 1, 2, 3 or 5, characterised in that the concrete anchor (305) is fastened by spot welding.
  7. Drainage channel (301) according to any of the claims 1 - 6, characterised in that the surface (315) of the concrete anchor is approximately parallel with the longitudinal centre plane (313) of the drainage channel.
  8. Drainage channel (301) according to any of the claims 1 - 7, characterised in that the drainage channel (301) is made of stainless steel.
EP14158659.4A 2013-03-11 2014-03-10 Sharp-edged drainage channel Revoked EP2778305B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14158659T PL2778305T3 (en) 2013-03-11 2014-03-10 Sharp-edged drainage channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK201370143A DK177731B1 (en) 2013-03-11 2013-03-11 Sharp-edged drain

Publications (2)

Publication Number Publication Date
EP2778305A1 EP2778305A1 (en) 2014-09-17
EP2778305B1 true EP2778305B1 (en) 2018-10-31

Family

ID=50241178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14158659.4A Revoked EP2778305B1 (en) 2013-03-11 2014-03-10 Sharp-edged drainage channel

Country Status (3)

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EP (1) EP2778305B1 (en)
DK (2) DK177731B1 (en)
PL (1) PL2778305T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK177731B1 (en) 2013-03-11 2014-05-05 Blücher Metal As Sharp-edged drain
GB2522701A (en) * 2014-02-04 2015-08-05 Alumasc Ltd Improvements in or relating to a trench drain
JP6004600B1 (en) * 2016-03-31 2016-10-12 ケイコン株式会社 Drainage channel by thin plate member for drainage channel formation and construction method of the drainage channel
DE102018100782A1 (en) * 2017-12-22 2019-06-27 Wiedemann Gmbh gutter
DE102019126110A1 (en) * 2019-09-27 2021-04-01 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Drainage channel, device for height adjustment and drainage channel with a device for height adjustment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677622A2 (en) 1994-04-13 1995-10-18 WILHELM HAFNER GmbH Drainage channel installable in a floor
EP0893545A2 (en) 1997-07-23 1999-01-27 Blücher Metal HKT GmbH Built-in drainage channel installable in a floor
EP1170428A1 (en) 2000-07-07 2002-01-09 Stemar GmbH Drainage channel configured as gutter profile
DE20212287U1 (en) 2002-08-09 2003-12-11 Wiedemann Gmbh Stainless steel rainwater gutter to drain surface water from the vicinity of buildings has side-flange anchorage strip
DE102005030721A1 (en) 2005-07-01 2007-01-04 Wiedemann Gmbh Runoff channel for placing in a pavement comprises a metal sheet channel body, side walls and visible frames whose free ends from a right angled edge and each having a support profile
DK177731B1 (en) 2013-03-11 2014-05-05 Blücher Metal As Sharp-edged drain

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677622A2 (en) 1994-04-13 1995-10-18 WILHELM HAFNER GmbH Drainage channel installable in a floor
EP0893545A2 (en) 1997-07-23 1999-01-27 Blücher Metal HKT GmbH Built-in drainage channel installable in a floor
EP1170428A1 (en) 2000-07-07 2002-01-09 Stemar GmbH Drainage channel configured as gutter profile
DE20212287U1 (en) 2002-08-09 2003-12-11 Wiedemann Gmbh Stainless steel rainwater gutter to drain surface water from the vicinity of buildings has side-flange anchorage strip
DE102005030721A1 (en) 2005-07-01 2007-01-04 Wiedemann Gmbh Runoff channel for placing in a pavement comprises a metal sheet channel body, side walls and visible frames whose free ends from a right angled edge and each having a support profile
DK177731B1 (en) 2013-03-11 2014-05-05 Blücher Metal As Sharp-edged drain
EP2778305A1 (en) 2013-03-11 2014-09-17 Blücher Metal A/S Sharp-edged drainage channel

Also Published As

Publication number Publication date
DK177731B1 (en) 2014-05-05
PL2778305T3 (en) 2019-04-30
EP2778305A1 (en) 2014-09-17
DK2778305T3 (en) 2019-02-18

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