EP2768370A1 - Brush roller of a floor cleaning device - Google Patents

Brush roller of a floor cleaning device

Info

Publication number
EP2768370A1
EP2768370A1 EP12791080.0A EP12791080A EP2768370A1 EP 2768370 A1 EP2768370 A1 EP 2768370A1 EP 12791080 A EP12791080 A EP 12791080A EP 2768370 A1 EP2768370 A1 EP 2768370A1
Authority
EP
European Patent Office
Prior art keywords
brush roller
end pieces
brush
hollow body
receiving
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
EP12791080.0A
Other languages
German (de)
French (fr)
Other versions
EP2768370B1 (en
Inventor
Achim Liffers
Andreas Laaser
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.)
Stein and Co GmbH
Original Assignee
Stein and Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stein and Co GmbH filed Critical Stein and Co GmbH
Publication of EP2768370A1 publication Critical patent/EP2768370A1/en
Application granted granted Critical
Publication of EP2768370B1 publication Critical patent/EP2768370B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A46B13/006—Cylindrical or annular brush bodies formed by winding a strip tuft in a helix about the body
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0455—Bearing means therefor

Definitions

  • the invention relates to a brush roller of a floor care device, in particular carpet cleaning device, in the form of a Bürststaubsaugers or Bürstvorsatzes with at least one rotating brush roller as a cylindrical rotary member, wherein the brush roller is arranged by outer end pieces via bearings in a brush housing and the brush roller as a hollow body a helically extending receiving shaft Having an outer passage area for receiving and holding a continuous brush strip and an end opening for feeding and removal.
  • Brush rollers of this type are known in different configurations, these are either bristled firmly and only as a whole are interchangeable or made of several parts and a spiral receiving shaft for a
  • the brush rollers are usually divided in the middle and have for the brush strip a stabilizing steel tube side with inserted shaft ends for assignment to axially outboard bearings. Since act on the brush roller relatively large forces, there are difficulties for tooling reasons brush rollers of this type with the required bending stiffness and shape retention economically to produce as a continuous brush roller.
  • the object of the invention is a brush roller body for a generic
  • a middle segment and the two end pieces form the brush roller and the middle segment has at least 50% of the total length of the brush roller, wherein the middle segment is formed as a self-supporting hollow body made of plastic and at least one spirally extending along its lateral surface receiving shaft and in the hollow body of the middle segment, the end pieces engage with a positive connection and the end pieces Have shaft ends for receiving in corresponding bearings in the outer area and the connected end pieces at least partially continue the receiving slot for the brush strip.
  • the middle segment is formed as a self-supporting hollow body by means of contested over ribs concentric tubular body and disposed between the tubular bodies of the receiving shaft with its outer passage area.
  • end pieces have shaft ends for receiving in corresponding bearings in the outer region of the brush housing.
  • end pieces have deflector elements as thread deflectors in the region remote from the middle segment.
  • the end pieces in the hollow body of the central segment via elements of elastic material, such as O-rings, radially non-positively and positively inserted.
  • the end pieces have on their outer end faces receiving openings for balancing weights.
  • Figure 1 is a view of a brush roller consisting of middle segment and outer end pieces and inserted brush strip.
  • Fig. 2 a brush strip
  • FIG. 3 shows a cross section of a brush roller.
  • Fig. 4 is a perspective view of a brush roller of FIG. 1 and
  • Fig. 5 is a longitudinal section through a brush roller
  • the illustrated brush roller A consists of a middle segment 1 as a self-supporting hollow body and ends used end pieces 4, 5 as a cylindrical rotary member. On the lateral surface of the brush roller A, a spirally recessed receiving shaft 2 for receiving and holding a continuous brush strip 3 is arranged.
  • the middle segment 1 as a self-supporting hollow body is formed by concentric tubular body, which are held spaced by ribs, wherein the structure consists of plastic and is preferably made as an injection molded part. Between the tubular bodies of the middle segment 1 is the AufnähmeSchacht 2 for arranged the brush strip 3 with an outer passage area.
  • the end pieces 4, 5 can be fixed positively against axial and rotoric movements in the receiving area 7 and set the middle segment 1 including the receiving shaft 2 for the brush strip 3 on.
  • the end pieces 4, 5 are arranged elastically in the receiving area 7 via axially arranged axially fixed O-rings 6.
  • the end pieces 4, 5 have outwardly guided shaft ends 8, 9, which are assigned to the frontally corresponding bearings 10 in a brush housing.
  • deflector elements 12 are arranged as thread deflectors in the opposite region at the end pieces 4, 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

The invention relates to a brush roller (A) of a floor cleaning device with a rotating brush roller as a cylindrical rotating element. The brush roller (A) is arranged as a hollow body in a brush housing via bearings by means of inserted outer end pieces (4, 5). A receiving shaft (2) which runs in the shape of a spiral and comprises an outer passage region for receiving and retaining a continuous brush strip (3) is arranged in the casing region of the hollow body. A central segment (1) is designed as a self-supporting hollow body made of plastic. The outer end pieces (4, 5) engage into said hollow body by means of a formfitting connection, and the end pieces (4, 5) at least partly continue the receiving shaft (2).

Description

Bürstenwalze eines Bodenpflegegerätes  Brush roller of a floor care device
Die Erfindung bezieht sich auf eine Bürstenwalze eines Bodenpflegegerätes, insbesondere Teppichreinigungsgerät, in Form eines Bürststaubsaugers oder Bürstvorsatzes mit mindestens einer rotierenden Bürstenwalze als zylindrisches Rotationselement, wobei die Bürstenwalze durch außenliegende Endstücke über Lager in einem Bürstengehäuse angeordnet ist und die Bürstenwalze als Hohlkörper einen spiralförmig verlaufenden Aufnahmeschacht mit einem außenliegenden Durchtrittsbereich zur Aufnahme und Halterung eines durchgehenden Bürstenstreifens sowie einer stirnseitigen Öffnung zur Zuführung und Entnahme aufweist . The invention relates to a brush roller of a floor care device, in particular carpet cleaning device, in the form of a Bürststaubsaugers or Bürstvorsatzes with at least one rotating brush roller as a cylindrical rotary member, wherein the brush roller is arranged by outer end pieces via bearings in a brush housing and the brush roller as a hollow body a helically extending receiving shaft Having an outer passage area for receiving and holding a continuous brush strip and an end opening for feeding and removal.
Bürstenwalzen dieser Art sind in unterschiedlichen Ausbildungen bekannt, wobei diese entweder fest beborstet und nur als Ganzes austauschbar sind oder aus mehreren Teilen ausgeführt sind und einen spiralförmigen Aufnahmeschacht für einenBrush rollers of this type are known in different configurations, these are either bristled firmly and only as a whole are interchangeable or made of several parts and a spiral receiving shaft for a
Bürstenstreifen aufweisen. Bei einer Ausbildung mit einem spiralförmigen Aufnahmeschacht sind die Bürstenwalzen üblicherweise mittig geteilt und besitzen für den Bürstenstreifen eine stabilisierende Stahlrohrseite mit eingesetzten Wellenenden zur Zuordnung mit axial außerhalb angeordneten Lagern. Da auf die Bürstenwalze relativ große Kräfte einwirken, bestehen Schwierigkeiten aus werkzeugtechnischen Gründen Bürstenwalzen dieser Art mit der erforderlichen Biegesteifigkeit und Formhaltigkeit wirtschaftlich als durchgehende Bürstenwalze herzustellen. Have brush strip. In an embodiment with a spiral receiving shaft, the brush rollers are usually divided in the middle and have for the brush strip a stabilizing steel tube side with inserted shaft ends for assignment to axially outboard bearings. Since act on the brush roller relatively large forces, there are difficulties for tooling reasons brush rollers of this type with the required bending stiffness and shape retention economically to produce as a continuous brush roller.
Es ist bereits aus der DE 917 498 B eine gattungsgemäße Anordnung mit einer Bürstenwalze bekannt. Die Walze ist dabei an jedem Ende mit einer Lagereinrichtung versehen, durch welche sie über eine durchgehende zentrale Achse über Flansche mitdrehend getragen wird. Diese Ausbildung ist relativ aufwendig und auch für den Laien zum Auswechseln des Bürstenstreifens nicht handhabbar . It is already known from DE 917 498 B a generic arrangement with a brush roller. The roller is provided at each end with a bearing means by which it is carried along on a continuous central axis via flanges mitdrehend. This training is relatively expensive and not manageable for the layman to replace the brush strip.
Die Aufgabe der Erfindung ist es, einen Bürstenwalzenkörper für eine gattungsgemäßeThe object of the invention is a brush roller body for a generic
Bürstenwalze mit einem spiralförmig angeordneten Aufnahmeschacht für einen Bürststreifen ohne zusätzliche stabilisierende Bauteile zu schaffen, der eine formstabile Anordnung verbindungssteif und biegesteif ermöglicht und eine leichte Bauausführung mit einer durchgehenden Bürstenstreifenaufnähme gewährleistet . To provide a brush roller with a spirally arranged receiving slot for a brushing strip without additional stabilizing components, which allows a dimensionally stable arrangement connection stiff and rigid and ensures easy construction with a continuous Bürstenstreifenaufnähme.
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß dadurch, dass ein Mittelsegment und die beiden Endstücke die Bürstenwalze bilden und das Mittelsegment mindestens 50 % der Gesamtlänge der Bürstenwalze aufweist, wobei das Mittelsegment als selbsttragender Hohlkörper aus Kunststoff gebildet ist und mindestens einen sich spiralförmig entlang seiner Mantelfläche erstreckenden Aufnahmeschacht aufweist und in den Hohlkörper des Mittelsegments die Endstücke mit einer formschlüssigen Verbindung eingreifen und die Endstücke Wellenenden zur Aufnahme in korrespondieren Lagern im Außenbereich aufweisen sowie die verbundenen Endstücke mindestens teilweise den Aufnahmeschacht für den Bürstenstreifen fortsetzen. The solution of this object is achieved according to the invention in that a middle segment and the two end pieces form the brush roller and the middle segment has at least 50% of the total length of the brush roller, wherein the middle segment is formed as a self-supporting hollow body made of plastic and at least one spirally extending along its lateral surface receiving shaft and in the hollow body of the middle segment, the end pieces engage with a positive connection and the end pieces Have shaft ends for receiving in corresponding bearings in the outer area and the connected end pieces at least partially continue the receiving slot for the brush strip.
Hierdurch wird ermöglicht, einen selbsttragenden Hohlkörper aus Kunststoff einzusetzen und auch den Bürstenstreifen über die eingesetzten Endstücke zu führen . This makes it possible to use a self-supporting hollow body made of plastic and also to guide the brush strip over the inserted end pieces.
Es ist in vorteilhafter Weise vorgesehen, dass das Mittelsegment als selbsttragender Hohlkörper durch über Rippen beanstandete konzentrische Rohrkörper gebildet und zwischen den Rohrkörpern der Aufnahmeschacht mit seinem außenliegenden Durchtrittsbereich angeordnet ist . It is advantageously provided that the middle segment is formed as a self-supporting hollow body by means of contested over ribs concentric tubular body and disposed between the tubular bodies of the receiving shaft with its outer passage area.
Eine weitere Verbesserung wird dadurch geschaffen, dass die Endstücke Wellenenden zur Aufnahme in korrespondierenden Lagern im Außenbereich des Bürstengehäuses aufweisen. A further improvement is achieved in that the end pieces have shaft ends for receiving in corresponding bearings in the outer region of the brush housing.
Ferner ist vorgesehen, dass die Endstücke Abweiserelemente als Fadenabweiser in dem den Mittelsegment abgewandten Bereich aufweisen. It is further provided that the end pieces have deflector elements as thread deflectors in the region remote from the middle segment.
Für eine gute Funktionsfähigkeit ist vorgesehen, dass die Endstücke im Hohlkörper des Mittelsegments über Elemente aus elastischem Material, wie O-Ringe, radial kraft- und formschlüssig einsetzbar sind. Zur Einstellung einer einwandfreien Rotation der Bürstenwalze ist vorgesehen, dass die Endstücke an ihren außenliegenden Stirnseiten Aufnahmeöffnungen für Wuchtgewichte aufweisen. For a good operability is provided that the end pieces in the hollow body of the central segment via elements of elastic material, such as O-rings, radially non-positively and positively inserted. To set a proper rotation of the brush roller is provided that the end pieces have on their outer end faces receiving openings for balancing weights.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung schematisch dargestellt. Es zeigen: In the drawing, an embodiment of the invention is shown schematically. Show it:
Fig. 1 eine Ansicht einer Bürstenwalze bestehend aus Mittelsegment und außenliegenden Endstücken sowie eingesetztem Bürstenstreifen; Figure 1 is a view of a brush roller consisting of middle segment and outer end pieces and inserted brush strip.
Fig. 2 einen Bürstenstreifen; Fig. 2 a brush strip;
Fig. 3 einen Querschnitt einer Bürstenwalze; 3 shows a cross section of a brush roller.
Fig. 4 eine schaubildliche Darstellung einer Bürstenwalze gemäß Fig. 1 und Fig. 4 is a perspective view of a brush roller of FIG. 1 and
Fig. 5 einen Längsschnitt durch eine Bürstenwalze Fig. 5 is a longitudinal section through a brush roller
Die dargestellte Bürstenwalze A besteht aus einem Mittelsegment 1 als selbsttragender Hohlkörper und endseitig eingesetzten Endstücken 4, 5 als zylindrisches Rotationselement. An der Mantelfläche der Bürstenwalze A ist ein spiralförmig eingelassener Aufnahmeschacht 2 für die Aufnahme und Halterung eines durchgehenden Bürstenstreifens 3 angeordnet. The illustrated brush roller A consists of a middle segment 1 as a self-supporting hollow body and ends used end pieces 4, 5 as a cylindrical rotary member. On the lateral surface of the brush roller A, a spirally recessed receiving shaft 2 for receiving and holding a continuous brush strip 3 is arranged.
Das Mittelsegment 1 als selbsttragender Hohlkörper wird durch konzentrische Rohrkörper gebildet, die durch Rippen beabstandet gehalten sind, wobei der Aufbau aus Kunststoff besteht und vorzugsweise als Spritzgussteil gefertigt wird. Zwischen den Rohrkörpern des Mittelsegments 1 ist dabei der AufnähmeSchacht 2 für den Bürstenstreifen 3 mit einem außenliegenden Durchtrittsbereich angeordnet. The middle segment 1 as a self-supporting hollow body is formed by concentric tubular body, which are held spaced by ribs, wherein the structure consists of plastic and is preferably made as an injection molded part. Between the tubular bodies of the middle segment 1 is the AufnähmeSchacht 2 for arranged the brush strip 3 with an outer passage area.
In das Mittelsegment 1 sind die Endstücke 4, 5 formschlüssig gegen axiale und rotorische Bewegungen im Aufnahmebereich 7 festsetzbar und setzen das Mittelsegment 1 einschließlich des Aufnahmeschachtes 2 für den Bürstenstreifen 3 fort. Hierbei sind die Endstücke 4, 5 im Aufnahmebereich 7 über parallel angeordnete axial fixierte O-Ringe 6 elastisch angeordnet . In the middle segment 1, the end pieces 4, 5 can be fixed positively against axial and rotoric movements in the receiving area 7 and set the middle segment 1 including the receiving shaft 2 for the brush strip 3 on. Here, the end pieces 4, 5 are arranged elastically in the receiving area 7 via axially arranged axially fixed O-rings 6.
Die Endstücke 4, 5 besitzen dabei nach außen geführte Wellenenden 8, 9, die stirnseitig korrespondierenden Lagern 10 in einem Bürstengehäuse zugeordnet sind. Zusätzlich sind an den Endstücken 4, 5 Abweiserelemente 12 als Fadenabweiser in dem abgewandten Bereich angeordnet . The end pieces 4, 5 have outwardly guided shaft ends 8, 9, which are assigned to the frontally corresponding bearings 10 in a brush housing. In addition, deflector elements 12 are arranged as thread deflectors in the opposite region at the end pieces 4, 5.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Bürstenwalze eines Bodenpflegegerätes, insbesondere Teppichreinigungsgerät, in Form eines1. Brush roller of a floor care device, in particular carpet cleaning device, in the form of a
Bürststaubsaugers oder Bürstvorsatzes mit mindestens einer rotierenden Bürstenwalze als zylindrisches Rotationselement, wobei die Bürstenwalze durch außenliegende Endstücke über Lager in einem Bürstengehäuse angeordnet ist und die Bürstenwalze als Hohlkörper einen spiralförmig verlaufenden Aufnahmeschacht mit einem außenliegenden Durchtrittsbereich zur Aufnahme und Halterung eines durchgehenden Bürstenstreifens sowie einer stirnseitigen Öffnung zur Zuführung und Entnahme aufweist, dadurch gekennzeichnet, dass ein Mittelsegment (1) und die beiden Endstücke (2) die Bürstenwalze (A) bilden und das Mittelsegment (1) mindestens 50 % der Gesamtlänge der Bürstenwalze (A) aufweist, wobei das Mittelsegment (1) als selbsttragender Hohlkörper aus Kunststoff gebildet ist und mindestens einen sich spiralförmig entlang seiner Mantelfläche erstreckenden Aufnahmeschacht (2) aufweist und in den Hohlkörper des Mittelsegments (1) die Endstücke (4, 5) mit einer formschlüssigen Verbindung eingreifen und die Endstücke (4, 5) Wellenenden (8, 9) zur Aufnahme in korrespondieren Lagern (10) im Außenbereich aufweisen sowie die verbundenen Endstücke (4, 5) mindestens teilweise den Aufnahmeschacht (2) für den Bürstenstreifen (3) fortsetzen. Bürstenwalze nach Anspruch 1, dadurch gekennzeichnet, dass das Mittelsegment (1) als selbsttragender Hohlkörper durch über Rippen beabstandete konzentrische Rohrkörper gebildet und zwischen den Rohrkörpern der AufnahmeSchacht (2) mit seinem außenliegenden Durchtrittsbereich angeordnet ist . Bürststaubsaugers or Bürstvorsatzes with at least one rotating brush roller as a cylindrical rotary member, wherein the brush roller is arranged by external end pieces via bearings in a brush housing and the brush roller as a hollow body a spiral receiving shaft with an outer passage area for receiving and holding a continuous brush strip and a front opening Having feed and removal, characterized in that a central segment (1) and the two end pieces (2) form the brush roller (A) and the central segment (1) at least 50% of the total length of the brush roller (A), wherein the middle segment (1 ) is formed as a self-supporting hollow body made of plastic and at least one spirally extending along its lateral surface receiving shaft (2) and in the hollow body of the central segment (1) the end pieces (4, 5) with a positive Ve engage the end pieces (4, 5) shaft ends (8, 9) for receiving in corresponding bearings (10) in the outer region and the connected end pieces (4, 5) at least partially continue the receiving shaft (2) for the brush strip (3) , Brush roller according to claim 1, characterized in that the middle segment (1) is formed as a self-supporting hollow body by concentric tubular body spaced over ribs and disposed between the tubular bodies of the receiving shaft (2) with its outer passage area.
Bürstenwalze nach Anspruch 1 oder 2 , dadurch gekennzeichnet, dass die Endstücke (4, 5) Abweiserelemente (12) in dem den Mittelsegment (1) abgewandten Bereich aufweisen. Brush roller according to claim 1 or 2, characterized in that the end pieces (4, 5) have deflector elements (12) in the region facing away from the central segment (1).
Bürstenwalze nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Endstücke (4, 5) im Hohlkörper des Mittelsegments (1) über Elemente (6, 7) aus elastischem Material, wie O-Ringe, radial kraft- und formschlüssig einsetzbar sind. Brush roller according to one of claims 1 to 3, characterized in that the end pieces (4, 5) in the hollow body of the central segment (1) via elements (6, 7) made of elastic material, such as O-rings, radially non-positively and positively inserted ,
Bürstenwalze nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Endstücke (4, 5) an ihren außenliegenden StirnseitenBrush roller according to one of claims 1 to 4, characterized in that the end pieces (4, 5) on their outer end faces
Aufnahmeöffnungen (11) für Wuchtgewichte aufweisen. Have receiving openings (11) for balancing weights.
EP12791080.0A 2011-10-18 2012-10-17 Brush roller of a floor cleaning device Active EP2768370B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011116419A DE102011116419B4 (en) 2011-10-18 2011-10-18 Brush roller of a floor care device
PCT/DE2012/001026 WO2013056694A1 (en) 2011-10-18 2012-10-17 Brush roller of a floor cleaning device

Publications (2)

Publication Number Publication Date
EP2768370A1 true EP2768370A1 (en) 2014-08-27
EP2768370B1 EP2768370B1 (en) 2016-03-02

Family

ID=47225856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12791080.0A Active EP2768370B1 (en) 2011-10-18 2012-10-17 Brush roller of a floor cleaning device

Country Status (5)

Country Link
US (1) US9585532B2 (en)
EP (1) EP2768370B1 (en)
CA (1) CA2830127C (en)
DE (1) DE102011116419B4 (en)
WO (1) WO2013056694A1 (en)

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DE102012020832A1 (en) 2011-10-18 2013-04-18 Stein & Co Gmbh Bearing arrangement of a rotating brush roller
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WO2024139710A1 (en) * 2022-12-30 2024-07-04 北京石头世纪科技股份有限公司 Automatic cleaning apparatus

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Also Published As

Publication number Publication date
DE102011116419B4 (en) 2013-07-25
US20140000054A1 (en) 2014-01-02
EP2768370B1 (en) 2016-03-02
CA2830127A1 (en) 2013-04-25
US9585532B2 (en) 2017-03-07
DE102011116419A1 (en) 2013-04-18
WO2013056694A1 (en) 2013-04-25
CA2830127C (en) 2018-11-20

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