EP2721225A1 - Connecting device for joining adjacent pre-cast concrete sections and method for joining a first and a second pre-cast concrete section - Google Patents
Connecting device for joining adjacent pre-cast concrete sections and method for joining a first and a second pre-cast concrete sectionInfo
- Publication number
- EP2721225A1 EP2721225A1 EP12802284.5A EP12802284A EP2721225A1 EP 2721225 A1 EP2721225 A1 EP 2721225A1 EP 12802284 A EP12802284 A EP 12802284A EP 2721225 A1 EP2721225 A1 EP 2721225A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- loop
- cast concrete
- connecting device
- cast
- 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.)
- Withdrawn
Links
- 239000011178 precast concrete Substances 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004873 anchoring Methods 0.000 claims abstract description 36
- 230000002787 reinforcement Effects 0.000 claims abstract description 32
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 21
- 239000011150 reinforced concrete Substances 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/125—Reinforcement continuity box
- E04G21/126—Reinforcement continuity box for cable loops
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/18—Grommets
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/2023—Concrete enforcements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/023—Separate connecting devices for prefabricated floor-slabs
Definitions
- the invention relates to a connecting device for joining adjacent pre-cast concrete sections such as reinforced concrete elements as defined in the preamble of independent claim 1.
- the invention also relates to a method for joining a first pre-cast concrete section such as reinforced concrete element and a second pre-cast concrete section such as reinforced concrete element, as defined in the preamble of independent claim 4.
- the invention relates especially, however without excluding other applications, to connecting devices for joining pre-cast concrete sections such as reinforced concrete elements in the form of wall elements and correspondingly to a method for joining a first pre-cast concrete section such as a first reinforced concrete element in the form of a first wall element and a second pre-cast concrete section such as a second reinforced concrete element in the form of a second wall element.
- the invention may also be used for connecting a first pre-cast concrete section such as a first reinforced concrete element in the form of a first wall element to a column.
- Such connecting devices are normally used in the below described way when joining a first pre-cast concrete section and a second pre-cast concrete section.
- the first pre-cast concrete section is provided with a first connecting device that comprises a first cable loop, which has an anchoring end anchored to the first pre-cast concrete section, and which has a loop section that is to be anchored to a reinforcement rod or the like by arranging the reinforcement rod to penetrate the loop section, wherein the reinforcement rod is situated in a spacing that is formed between the first pre-cast concrete section and the second pre-cast concrete section.
- a first connecting device that comprises a first cable loop, which has an anchoring end anchored to the first pre-cast concrete section, and which has a loop section that is to be anchored to a reinforcement rod or the like by arranging the reinforcement rod to penetrate the loop section, wherein the reinforcement rod is situated in a spacing that is formed between the first pre-cast concrete section and the second pre-cast concrete section.
- the second pre-cast concrete section is correspondingly provided with a second connecting device that comprises a second cable loop, which has an anchoring end anchored to the second pre-cast concrete section, and which has a loop section that is to be anchored to a reinforcement rod or the like by arranging the reinforcement rod to penetrate the loop section, wherein the reinforcement rod is situated in said spacing that is formed between the first pre-cast concrete section and the second pre-cast concrete section.
- a second connecting device that comprises a second cable loop, which has an anchoring end anchored to the second pre-cast concrete section, and which has a loop section that is to be anchored to a reinforcement rod or the like by arranging the reinforcement rod to penetrate the loop section, wherein the reinforcement rod is situated in said spacing that is formed between the first pre-cast concrete section and the second pre-cast concrete section.
- the first pre-cast concrete section is arranged adjacent to the second pre-cast concrete section so that said spacing is formed between the first pre-cast concrete section and the second pre-cast concrete section.
- a reinforcement rod is arranged in said spacing to penetrate the loop section of the first connecting device of the first pre-cast concrete section.
- a reinforcement rod is arranged in the spacing to penetrate the loop section of the second connecting device of the second pre-cast concrete section.
- the cable loop section is also configured to be anchored to concrete to be cast in the spacing between the two adjacent pre-cast concrete sections. Thereafter the spacing between the first pre-cast concrete section and the second pre-cast concrete section is at least partly filled with concrete.
- connection device could transfer as much force such as shear force as possible between the pre-case concrete section and the concrete cast in the spacing.
- connection device it is known in the art to increase the ability of the connection device to transfer force by using several cable loops in connection with one connection devise.
- the ability to transfer force is therefore increased because the total surface area of the cable loops which is in contact with the concrete cast in the spacing is bigger in comparison with a situation where there is only one cable loop.
- Several cable loops make, however, the connecting device more complex, which makes it more difficult to install.
- connection device it is also known in the art to increase the ability of the connection device to transfer force by using a thicker cable in the cable loop. Also in this case the ability to transfer force is increased for example when the surface area of the cable loop which is in contact with the concrete cast in the spacing is bigger in comparison with a situation where there is a thinner cable loop. Thicker cables such as thicker steel wire ropes are however expensive.
- the object of the invention is to provide a simple and inexpensive solution for increasing the ability of the connection device to transfer force such as shear force to the concrete cast in the spacing.
- the connecting device of the invention is characterized by the definitions of independent claim 1.
- connection device to transfer force such as shear force to the concrete cast in the spacing by providing the loop section of the cable loop of the connecting device with an anchoring element for increasing the contact area i.e. the surface area between the loop section and concrete to be cast in the spacing between the two adjacent pre-cast concrete sections.
- the anchoring element may for example comprise a spiral means such as a metal spring or a metal wire formed to a spiral, which spiral means is arranged at least partly around the loop section of the cable loop of the connecting device.
- the anchoring element may for example comprise a plate means such as a metal plate, wherein the plate means is fixedly or releasably attached to the loop section of the cable loop of the connecting device.
- the anchoring element may for example comprise a tube means such as a metal tube, wherein the tube means is arranged at least partly around the loop section of the cable loop of the connecting device, and wherein the tube means being fixedly or releasably attached the loop section of the cable loop of the connecting device.
- a tube means such as a metal tube
- Figure 1 shows the principle of a connection between a first and a second pre-cast concrete section
- Figure 2 is a section view of a connection between a first and a second pre-cast concrete section
- Figures 3 to 5 are schematic drawings of the connecting device in a first embodiment
- Figures 6 to 8 are schematic drawings of the connecting device in a second embodiment
- Figure 9 is a schematic drawing of the connecting device in a third embodiment.
- connecting device 1, la, lb for joining adjacent pre-cast concrete sections 2, 2a, 2b such as reinforced concrete elements for example wall elements and preferred and alternative embodiments of the connecting device 1, la, lb will be described in greater detail.
- the connecting device 1, la, lb comprises a cable loop 3, 3a, 3b.
- the cable loop 3, 3a, 3b may comprise a steel wire rope.
- the cable loop 3, 3 a, 3b has an anchoring end 4, 4a, 4b for anchoring the connecting device 1, la, lb to a pre-cast concrete section 2, 2a, 2b.
- the cable loop 3, 3a, 3b has a loop section 5, 5a, 5b that is to be anchored to a reinforcement rod 6 or the like by arranging the reinforcement rod through the loop section 5, 5a, 5b, wherein the reinforcement rod 6 is situated in a spacing 7 that is formed between two or more adjacent pre-cast concrete sections 2, 2a, 2b when mounting pre-cast concrete sections 2, 2a, 2b.
- the loop section 5, 5 a, 5b is also configured to be anchored to concrete 8 to be cast in said spacing 7 that is formed between the two or more adjacent pre-cast concrete sections 2, 2a, 2b.
- the loop section 5, 5a, 5b is provided with an anchoring element 9 for increasing the contact area between the loop section 5, 5a, 5b and concrete 8 to be cast in the spacing 7 between the two adjacent pre-cast concrete sections 2, 2a, 2b.
- the anchoring element 9 is an element originally separate from the loop section 5, 5a, 5b that has been arranged to, for example releasably or fixedly fastened to, the loop section 5, 5a, 5b.
- the anchoring element 9 may comprise a spiral means 10 such as a metal spring or a metal wire formed to a spiral, which spiral means 10 is arranged at least partly around the loop section 5, 5a, 5b of the cable loop 3, 3a, 3b of the connecting device 1, la, lb.
- a spiral means 10 may be formed by wounding metal wire around the loop section 5, 5a, 5b of the cable loop 3, 3a, 3b of the connecting device 1, la, lb.
- Such a spiral means 10 may be fixedly or releasably attached around the loop section 5, 5a, 5b of the cable loop 3, 3a, 3b of the connecting device 1, la, lb.
- Figures 3 to 5 shows a connecting device 1, la, lb having an anchoring element 9 comprising a spiral means 10.
- the anchoring element 9 may comprise a plate means 11 such as a metal plate, which plate means 1 1 is fixedly or releasably attached to the loop section 5, 5a, 5b of the cable loop 3, 3a, 3b of the connecting device 1, la, lb.
- plate means 1 1 may be fixedly or releasably attached to the inside of the loop section 5, 5a, 5b of the cable loop 3, 3a, 3b of the connecting device 1, la, lb so that the loop section 5, 5a, 5b surrounds the plate means 11.
- Figures 6 to 8 shows a connecting device 1, la, lb having an anchoring element 9 comprising a plate means 11.
- the anchoring element 9 may comprise a tube means 12 such as a metal tube, which tube means 12 is arranged at least partly around the loop section 5, 5a, 5b of the cable loop 3, 3a, 3b of the connecting device 1, la, lb, and which tube means 12 is fixedly or releasably attached to the loop section 5, 5a, 5b of the cable loop 3, 3a, 3b of the connecting device 1, la, lb.
- Figure 9 shows a connecting device 1, la, lb having an anchoring element 9 comprising a tube means 12.
- the connecting device 1, la, lb shown in the drawings has also a case-like structure 13 for providing a dowel-like countersink in the surface of the pre-cast concrete section 2, 2a, 2b.
- the method comprises a step for providing the first pre-cast concrete section 2a with a first connecting device la that comprises a first cable loop 3a, which has a first anchoring end 4a anchored to the first pre-cast concrete section 2b and which has a first loop section 5a that is to be anchored to a reinforcement rod 6 or the like by arranging the reinforcement rod 6 to penetrate the first loop section 5a, wherein the reinforcement rod 6 is situated in a spacing 7 that is formed between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b.
- a first connecting device la comprises a first cable loop 3a, which has a first anchoring end 4a anchored to the first pre-cast concrete section 2b and which has a first loop section 5a that is to be anchored to a reinforcement rod 6 or the like by arranging the reinforcement rod 6 to penetrate the first loop section 5a, wherein the reinforcement rod 6 is situated in a spacing 7 that is formed between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b.
- the method comprises a step for providing the second pre-cast concrete section 2a with a second connecting device lb that comprises a second cable loop 3b, which has a second anchoring end 4b anchored to the second pre-cast concrete section 2b and which has a second loop section 5b that is to be anchored to a reinforcement rod 6 or the like by arranging the reinforcement rod 6 to penetrate the second loop section 5b, wherein the reinforcement rod 6 is situated in a spacing 7 that is formed between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b.
- a second connecting device lb that comprises a second cable loop 3b, which has a second anchoring end 4b anchored to the second pre-cast concrete section 2b and which has a second loop section 5b that is to be anchored to a reinforcement rod 6 or the like by arranging the reinforcement rod 6 to penetrate the second loop section 5b, wherein the reinforcement rod 6 is situated in a spacing 7 that is formed between the first pre-cast concrete section 2a and the second pre-cast concrete section 2
- the method comprises a step for arranging the first pre-cast concrete section 2a adjacent to the second pre-cast concrete section 2b so that said spacing 7 is formed between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b.
- the method comprises a step for arranging a reinforcement rod 6 in the spacing 7 between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b to penetrate the first loop section 5a of the first connecting device la of the first pre-cast concrete section 2a.
- the method comprises a step for arranging a reinforcement rod 6 in the spacing 7 between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b to penetrate the second loop section 5b of the second connecting device lb of the second pre-cast concrete section 2b.
- the method comprises a step for filling the spacing 7 between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b at least partly with concrete 8, whereby the first cable loop 3 a and the second cable loop 3b is also anchored to the concrete 8 cast in the spacing 7 between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b.
- the method comprises a step for providing at least one of the first loop section 5a of the first connecting device la and the second loop section 5a of the second connection device lb with a anchoring element 9 for increasing the contact area between the first loop section 5a and the concrete 8 cast in the spacing 7 between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b and/or for increasing the contact area between the second loop section 5b and the concrete 8 cast in the spacing 7 between the first pre-cast concrete section 2a and the second pre-cast concrete section 2b.
- the anchoring element 9 is an element originally separate from the first loop section 5 a and/or the second loop section 5b that has been arranged to for example releasably or fixedly fastened to the first loop section 5 a and/or the second loop section 5b.
- the method may comprise a step for using as an anchoring element 9 a spiral means 10 such as a metal spring or a metal wire formed to a spiral, and a step for arranging a spiral means 10 at least partly around the first loop section 5a and/or a step for arranging a spiral means 10 at least partly around the second loop section.
- the method may comprise a step for fixedly or releasably attaching a spiral means 10 at least partly around the first loop section 5a and/or a step for fixedly or releasably attaching a spiral means 10 at least partly around the second loop section.
- the method may comprise a step for using as an anchoring element 9 a plate means 1 1 such as a metal plate, and a step for fixedly or releasably attaching a plate means 1 1 to the first loop section 5a and/or a step for fixedly or releasably attaching a plate means 1 1 to the second loop section 5b.
- the method may comprise a step for fixedly or releasably attaching the plate means 1 1 to the inside of the first loop section 5a so that the first loop section 5a surrounds the plate means 11 and/or correspondingly for fixedly or releasably attaching the plate means 1 1 to the inside of the second loop section 5b so that the second loop section 5b surrounds the plate means 11.
- the method may comprise a step for using as an anchoring element 9 a tube means 12 such as a metal tube, and a step for arranging a tube means 12 at least partly around the first loop section 5a and a step for fixedly or releasably attaching the tube means 12 to the first loop section 5a and/or a step for arranging a tube means 12 at least partly around the second loop section and a step for fixedly or releasably attaching the tube means 12 to the second loop section 5b.
- a tube means 12 such as a metal tube
- first pre-cast concrete section 2a such as a reinforced concrete element
- second precast concrete section 2b such as a reinforced concrete element
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
- Reinforcement Elements For Buildings (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20115624A FI123856B (en) | 2011-06-20 | 2011-06-20 | Connecting device for attaching adjacent concrete element parts and method for joining a first and a second concrete element part |
PCT/FI2012/050635 WO2012175802A1 (en) | 2011-06-20 | 2012-06-19 | Connecting device for joining adjacent pre-cast concrete sections and method for joining a first and a second pre-cast concrete section |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2721225A1 true EP2721225A1 (en) | 2014-04-23 |
EP2721225A4 EP2721225A4 (en) | 2015-03-18 |
Family
ID=44206834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12802284.5A Withdrawn EP2721225A4 (en) | 2011-06-20 | 2012-06-19 | Connecting device for joining adjacent pre-cast concrete sections and method for joining a first and a second pre-cast concrete section |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2721225A4 (en) |
CN (1) | CN103620130B (en) |
FI (1) | FI123856B (en) |
RU (1) | RU2578085C2 (en) |
WO (1) | WO2012175802A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2239397B1 (en) * | 2009-03-12 | 2013-08-21 | Peikko Group Oy | Device for connecting ready-mixed concrete sections |
CN103556749A (en) * | 2013-10-10 | 2014-02-05 | 南京工业大学 | Suspension type flexible connection for precast concrete infilled wall |
CN104947800A (en) * | 2015-06-19 | 2015-09-30 | 中民筑友有限公司 | Soft cable connection piece, prefabricated member and wallboard |
CN105002987A (en) * | 2015-06-19 | 2015-10-28 | 中民筑友有限公司 | Soft rope connecting element, prefabricated element and wall plate |
CN104947799A (en) * | 2015-06-19 | 2015-09-30 | 中民筑友有限公司 | Soft cable connection piece, prefabricated member and wallboard |
CN104929250A (en) * | 2015-06-19 | 2015-09-23 | 中民筑友有限公司 | Soft rope connecting piece, prefabricated part and wallboard |
CN104929251A (en) * | 2015-06-19 | 2015-09-23 | 中民筑友有限公司 | Soft rope connecting piece, prefabricated part and wallboard |
CN104947801A (en) * | 2015-06-19 | 2015-09-30 | 中民筑友有限公司 | Soft cable connection piece, prefabricated member and wallboard |
FR3038927B1 (en) * | 2015-07-13 | 2017-08-25 | Thierry Pilloix | PASSING BOX EQUIPPED WITH A CONNECTING ELEMENT |
CN105220794A (en) * | 2015-10-23 | 2016-01-06 | 招商局地产控股股份有限公司 | The vertical main muscle quick connecting method of a kind of prefabricated assembled shear wall |
SG10201908614WA (en) * | 2016-06-28 | 2019-10-30 | Seng Wong | Composite structural wall and method of construction thereof |
CN109339290A (en) * | 2018-11-30 | 2019-02-15 | 美好建筑装配科技有限公司 | It is a kind of for overlapped shear wall prefabricated components junction to drawing device |
KR102619755B1 (en) * | 2019-06-14 | 2023-12-29 | 페이코 그룹 오와이 | Method and connection arrangement for mounting a prefabricated construction element to another construction element |
CN111502067B (en) * | 2020-04-28 | 2021-07-23 | 无锡锡晟建设有限公司 | Node structure of prefabricated bearing wallboard of assembled PC combines light-duty steel skeleton |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA72312B (en) * | 1971-01-21 | 1972-10-25 | Shakespeare Co | Method and apparatus for prestressing concrete structural members and members made thereby |
SU628268A1 (en) * | 1977-05-03 | 1978-10-15 | Новосибирский Институт Инженеров Железнодорожного Транспорта | Device for bending off prestressed reinforcement |
RU2071535C1 (en) * | 1991-09-04 | 1997-01-10 | Павел Николаевич Тимохин | Floor slab |
JPH111994A (en) * | 1997-06-10 | 1999-01-06 | Shinbashikiichirou Shoten:Kk | Stranded-wire reinforcing material with opening |
DE20306280U1 (en) * | 2003-04-22 | 2004-09-02 | Pfeifer Holding Gmbh & Co. Kg | Concrete component connection device |
DE202005010080U1 (en) * | 2005-06-27 | 2006-11-09 | Pfeifer Holding Gmbh & Co. Kg | Connector for connecting concrete parts with transverse strength has floor profiled with groups of projections and recesses alternating in longitudinal direction, whereby each group has at least one projection and/or at least one recess |
DE202006007316U1 (en) * | 2006-05-05 | 2007-09-06 | Betomax Kunststoff- Und Metallwarenfabrik Gmbh & Co Kg | Connecting device for concrete components and reinforcing element for this purpose for establishing a connection of adjoining concrete components |
CN201007041Y (en) * | 2007-02-08 | 2008-01-16 | 周嵬 | Concrete prefabricated element hanging connecting mechanism |
-
2011
- 2011-06-20 FI FI20115624A patent/FI123856B/en not_active IP Right Cessation
-
2012
- 2012-06-19 CN CN201280030014.7A patent/CN103620130B/en not_active Expired - Fee Related
- 2012-06-19 RU RU2013158621/03A patent/RU2578085C2/en not_active IP Right Cessation
- 2012-06-19 EP EP12802284.5A patent/EP2721225A4/en not_active Withdrawn
- 2012-06-19 WO PCT/FI2012/050635 patent/WO2012175802A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FI20115624A0 (en) | 2011-06-20 |
FI123856B (en) | 2013-11-29 |
RU2578085C2 (en) | 2016-03-20 |
WO2012175802A1 (en) | 2012-12-27 |
CN103620130A (en) | 2014-03-05 |
FI20115624A (en) | 2012-12-21 |
RU2013158621A (en) | 2015-07-27 |
EP2721225A4 (en) | 2015-03-18 |
CN103620130B (en) | 2016-10-26 |
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