WO2015104012A1 - Progressive cavity pump, pin joint, and method for producing a pin joint - Google Patents
Progressive cavity pump, pin joint, and method for producing a pin joint Download PDFInfo
- Publication number
- WO2015104012A1 WO2015104012A1 PCT/DE2014/000636 DE2014000636W WO2015104012A1 WO 2015104012 A1 WO2015104012 A1 WO 2015104012A1 DE 2014000636 W DE2014000636 W DE 2014000636W WO 2015104012 A1 WO2015104012 A1 WO 2015104012A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base part
- joint
- bolt
- head
- pin joint
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
- F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
Definitions
- the present invention relates to an eccentric screw pump, a pin joint and method for producing a pin joint according to the features of the preambles of claims 1, 7 and 11.
- the invention relates to a bolt of a pin joint for progressing cavity pumps.
- Eccentric screw pumps are pumps for pumping a large number of media, in particular viscous, highly viscous and abrasive media such as sludges, liquid manure, crude oil and fats.
- the driven, coiled rotor rolls in the stator.
- This is a housing with a spiral-shaped inside.
- the rotor performs with its figure axis an eccentric rotation about the stator.
- the outer screw, i. the stator has the form of a double thread, while the rotor screw is only catchy.
- the rotor is usually made of a highly abrasion-resistant material, such as steel.
- the stator however, consists of an elastic material, for example rubber.
- Eccentric screw pump The pin joint is surrounded by a collar to hold the lubricant in the area of the joint. When replacing the lubricant, the interior of the joints for the removal of the lubricant additionally each have a central lubricant channel per joint. Eccentric screw pumps are commonly used in food, pharmaceutical and pharmaceutical
- CIP processes are "cleaning in place” or localized cleaning processes in which plants are cleaned on surfaces in contact with the product without substantial dismantling, in particular by flushing and / or decoction of the equipment is movably connected to the drive shaft by means of gimbals, which are particularly susceptible to the accumulation of undesired residues.
- DE 10 2010 006 025 B3 discloses an open pin joint for an eccentric screw pump in the hygiene sector with an inner and an outer joint head, wherein each joint head has at least one diametrical bore, which is penetrated by a bolt, which is provided at both ends with a cap ,
- the inner joint head is provided on its front side with at least two channels which are arranged eccentrically to the longitudinal axis of the propeller shaft and extend from the longitudinal axis of the drive shaft in the direction of the outer side of the pin joint in each case by an angle A of 10 ° to 30 °.
- the object of the invention is to further improve a pin joint for an eccentric screw, so that it is even easier to clean or even less opportunities to deposit promoted product.
- the above object is achieved by a pin joint, an eccentric screw pump and method for producing a pin joint comprising the features in claims 1, 7 and 11. Further advantageous embodiments are described by the subclaims.
- the present invention relates to an eccentric screw pump having at least one, preferably two pin joints.
- the eccentric screw pump comprises - as known from the prior art - a stator, a rotor and a drive shaft.
- the rotor is arranged on the drive shaft via a coupling rod, in particular the coupling rod is cardanically fixed between the rotor and the drive shaft via two pin joints.
- a pin joint each comprises a joint head, which is formed from an inner joint part and an outer joint part.
- the inner and the outer joint part each have a diametrical bore through which a bolt is guided.
- the bolt consists of a preferably cylindrical base part, at the free ends of each of which the cross-section of the bolt magnifying head parts are arranged and fixed.
- the head parts for example, each have an internal thread, which are formed corresponding to external threads, which respectively form the two ends of the base part.
- the base part has at least one internal thread and the head part has a first area which can be screwed into the base part with an external thread and a second area with a cross-section which is larger than the base part.
- a first head part is already connected before the passage of the bolt through the diametral holes of the joint parts positively and non-positively with the base part.
- this first head part is inseparably connected to the base part, for example, welded.
- the other, second head part is fastened to the base part after it has been passed through the diametral holes of the joint parts in order to connect them movably.
- a sealing element is arranged in a boundary region between the base part and the second head part.
- a groove is formed on at least one free end of the base part, in particular on at least the free end, on which the head part is arranged and secured only after passing through the hinge parts.
- a groove is formed on the side surface of at least one head part facing the free end of the base part.
- the sealing element is at least partially disposed within the groove.
- the sealing element protrudes in the unscrewed state of the base part and the head part at least partially out of the groove or stands over.
- the sealing element is preferably formed by a sealing ring or by a bonded sealant.
- the sealing element protrudes in the screwed state of the base part and the head part in the boundary region between the at least one base part and the head part, the sealing element laterally beyond the base part of the bolt.
- the invention further relates to a pin joint for an eccentric screw pump described above, wherein in a boundary region between a base part of the bolt end and at least one head part of the bolt, a sealing element is arranged.
- a sealing element is arranged in a boundary region between a base part of the bolt end and at least one head part of the bolt.
- at least one free end of the base part and / or at least one side surface of a head part facing a free end of the base part comprises a groove.
- the sealing element can be arranged at least partially within the groove.
- the pin joint may alternatively or in addition to the features described have one or more features and / or properties of the eccentric screw pump described above.
- the invention further relates to a method for producing a pin joint for an eccentric screw pump described above. For this purpose, a groove is milled in a free end region of the base part of the bolt.
- a groove is milled in a side surface of the head part facing the base part.
- the groove does not have to be deep, a flat milling is usually sufficient to achieve the desired result.
- a sealing ring is inserted, injected a sealant or otherwise introduced sealing material.
- the base part is screwed to the headboard.
- the sealant is compressed by force and positive locking. It is advantageously provided that in the assembled state of the bolt, the seal or the sealant protrudes laterally by a few mm above the base part of the bolt.
- the method is used in particular for producing a previously described eccentric screw pump with a pin joint and / or for producing a previously described pin joint for an eccentric screw pump.
- the method may comprise, as an alternative or in addition to the described features, one or more features and / or properties of the device described above.
- the device may alternatively or additionally comprise one or more features and / or properties of the described method.
- the eccentric screw pump or the pin joint described above is used above all in the hygiene sector for foodstuffs, in the field of pharmacy and / or for the promotion of medical products. It is important that all residues of a previous product or pumped medium are completely removed when cleaning the progressing cavity pumps. In the known from the prior art bolts of pin joints, there is always low entry of product or medium between the base part and the head part of the bolt. When cleaning the pump with the so-called ClP process, the above-mentioned residues can not be completely eliminated.
- the advantage of the invention described above over the prior art is in particular that this problem is avoided by the inventive bolt with seal. Fiqurenbeschreibunq
- Figure 1 shows a schematic representation of a progressing cavity pump according to the prior art.
- FIG. 2 shows a schematic cross section through a pin joint of a progressing cavity pump according to the prior art.
- FIG. 3 shows a schematic cross section through a bolt according to the invention for a pin joint of an eccentric screw pump.
- FIG. 4 shows an enlarged partial section of a bolt according to the invention for a pin joint of an eccentric screw pump. Identical or equivalent elements of the invention will be identical
- FIG. 1 shows a schematic representation of an eccentric screw pump 1 according to the prior art.
- This comprises a stator 3, a rotor 4 and a drive shaft 5.
- the rotor 4 is coupled via a coupling rod 6 and two pin joints 7 movable to the drive shaft 5.
- the stator 3 has a spiral-shaped inner side 3 *.
- the rotor 4 is designed as a rotor screw 4 * and performs an eccentric rotational movement about the stator longitudinal axis L. Due to the shape of rotor 4 and stator 3 formed between rotor 4 and stator 3 sealed cavities 2, which are axially upon rotation of the rotor screw 4 * in the conveying direction Move FR and promote the medium.
- FIG. 1 shows a schematic representation of an eccentric screw pump 1 according to the prior art.
- This comprises a stator 3, a rotor 4 and a drive shaft 5.
- the rotor 4 is coupled via a coupling rod 6 and two pin joints 7 movable to the drive shaft 5.
- the pin joint comprises a joint head 10, which is formed from an inner joint part 8 and an outer joint part 9.
- the inner and the outer joint part 8, 9 each have diametrical bores 11, 12, 12 * , through which a bolt 15 is guided.
- the bolt 15 consists of a base part 16 with a first head part 17, which is usually inextricably connected to the base part before assembly of the pin joint 7.
- a second head part 18 is arranged.
- the base part 16 has at the free end, which is opposite to the first head part 17, a bore with an internal thread 19.
- the second head part 18 is formed, for example, as a kind of screw 20, wherein the screw head 21 has a larger cross-section than the base part 16.
- the screw 20 further has a threaded into the internal thread 19 of the base member 16 threaded portion 22 with an external thread 23.
- the bolt 15 without the second head part 18 is pushed through the diametral holes 1 1, 12, 12 * of the inner and the outer joint part 8.9 and then the second head part 18 is screwed into the base part 16.
- a movable connection of the two joint parts 8, 9 of the condyle 10 is produced.
- FIG. 3 shows a schematic cross section through a bolt 15 * according to the invention for a pin joint 7 of an eccentric screw pump 1 (see FIGS. 1 and 2) and FIG. 4 shows an enlarged partial section of a bolt 15 according to the invention.
- the second head part 18 * is formed by a screw 20 *, which is at least partially screwed into an internal thread 19 * along the longitudinal axis X of the base part 16 * until the one side surface 24 * of the screw head 21 * touches the free end of the base part 16 * , In this so-called lower side surface 24 * a circumferential groove 30 is milled.
- the groove 30 is annular and has an inner and an outer periphery, the outer circumference substantially corresponding to the circumference of the base part 16 *.
- a sealing element 32 is arranged, for example, a sealing ring 33 is inserted or a sealant 34 injected.
- the sealing element 32 is compressed by force and positive engagement.
- the arrangement of the groove 30 and the size of the sealing element 32 is chosen so that in the screwed state of the base part 16 * and second head portion 18 * the sealing element 32 protrudes laterally by a few mm over the base part 16 * of the bolt.
- an advantageous sealing of the connection between the base part 16 * and the second head part 18 * is achieved, so that no delivery medium can settle and the pin joint 7 (see FIG. 2) can be cleaned particularly easily.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Gasket Seals (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES14850115.8T ES2657984T3 (en) | 2014-01-08 | 2014-12-12 | Eccentric helical pump, bolt joint and procedure for manufacturing a bolt joint |
AU2014377061A AU2014377061B2 (en) | 2014-01-08 | 2014-12-12 | Progressive cavity pump, pin joint, and method for producing a pin joint |
KR1020167021226A KR20160107229A (en) | 2014-01-08 | 2014-12-12 | Progressive cavity pump, pin joint, and method for producing a pin joint |
CN201480071404.8A CN105849409B (en) | 2014-01-08 | 2014-12-12 | Eccentrie helical totorpump, pin hinge and the method for manufacturing pin hinge |
JP2016545306A JP6263632B2 (en) | 2014-01-08 | 2014-12-12 | An eccentric screw pump, a pin joint, and a method for manufacturing a pin joint. |
EP14850115.8A EP3092410B1 (en) | 2014-01-08 | 2014-12-12 | Progressive cavity pump, pin joint, and method for producing a pin joint |
ZA2016/04466A ZA201604466B (en) | 2014-01-08 | 2016-06-30 | Progressive cavity pump, pin joint, and method for producing a pin joint |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201410100138 DE102014100138B3 (en) | 2014-01-08 | 2014-01-08 | Eccentric screw pump, pin joint and method for producing a pin joint |
DE102014100138.9 | 2014-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015104012A1 true WO2015104012A1 (en) | 2015-07-16 |
Family
ID=52623889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2014/000636 WO2015104012A1 (en) | 2014-01-08 | 2014-12-12 | Progressive cavity pump, pin joint, and method for producing a pin joint |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP3092410B1 (en) |
JP (1) | JP6263632B2 (en) |
KR (1) | KR20160107229A (en) |
CN (1) | CN105849409B (en) |
AU (1) | AU2014377061B2 (en) |
DE (1) | DE102014100138B3 (en) |
ES (1) | ES2657984T3 (en) |
WO (1) | WO2015104012A1 (en) |
ZA (1) | ZA201604466B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202018100587U1 (en) * | 2018-02-02 | 2018-02-15 | Wilhelm Kächele GmbH | Stator for eccentric screw machine |
DE102019107078B4 (en) * | 2019-03-20 | 2021-04-29 | Netzsch Pumpen & Systeme Gmbh | 3; Joint, eccentric screw pump and method for producing a joint |
US11371502B2 (en) * | 2019-11-18 | 2022-06-28 | Graco Minnesota Inc. | Sealed drive for connecting progressive cavity pump rotors to universal joints |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422327A (en) * | 1944-06-10 | 1947-06-17 | Trask Allen | Resilient piston pin bushing |
DE10116641A1 (en) | 2001-04-04 | 2002-10-17 | Seepex Seeberger Gmbh & Co | Bolt joint for an eccentric screw pump, for the coupling rod between the rotor and the drive shaft, has a joint head with structured openings to take the rod coupling pins |
EP1683970A2 (en) * | 2005-01-24 | 2006-07-26 | Knoll Maschinenbau Gmbh | Progressive cavity pump with a covered connecting element |
DE102006058166A1 (en) | 2006-12-09 | 2008-06-19 | Seepex Gmbh + Co Kg | Swivel head for pin joints on connecting rod in eccentric screw pump. It has transverse bores fitted with bushes prevented from moving transversely by stops which cooperate with stops on bore through rod for pin |
DE102012006025B3 (en) | 2012-03-27 | 2013-08-01 | Netzsch Pumpen & Systeme Gmbh | Pin joint for eccentric screw pump |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5925704U (en) * | 1982-08-11 | 1984-02-17 | 不二サッシ株式会社 | Water-sealed structure of screw fastening part |
DE19927315C2 (en) * | 1999-06-15 | 2001-04-26 | Netzsch Mohnopumpen Gmbh | Bolt joint for eccentric screw pumps |
DE102005039612A1 (en) * | 2004-08-20 | 2006-02-23 | Knoll Maschinenbau Gmbh | Eccentric spiral pump for use in food industry, has connection unit connecting rotor units and covering unit in torque-proof manner, where connection unit is installed in position separated from interior of pump housing by covering unit |
JP4164549B2 (en) * | 2004-11-22 | 2008-10-15 | 兵神装備株式会社 | Eccentric shaft joint structure and uniaxial eccentric screw pump with the eccentric shaft joint structure |
JP2007333027A (en) * | 2006-06-13 | 2007-12-27 | Bridgestone Corp | Sealing structure and bolt |
JP5360387B2 (en) * | 2009-03-31 | 2013-12-04 | 兵神装備株式会社 | Rotor drive mechanism and pump device including the same |
JP5724096B2 (en) * | 2011-01-25 | 2015-05-27 | 兵神装備株式会社 | Uniaxial eccentric screw pump |
CN103410727A (en) * | 2013-07-24 | 2013-11-27 | 黄佳华 | Screw pump universal joint |
-
2014
- 2014-01-08 DE DE201410100138 patent/DE102014100138B3/en not_active Expired - Fee Related
- 2014-12-12 ES ES14850115.8T patent/ES2657984T3/en active Active
- 2014-12-12 EP EP14850115.8A patent/EP3092410B1/en not_active Not-in-force
- 2014-12-12 KR KR1020167021226A patent/KR20160107229A/en not_active Application Discontinuation
- 2014-12-12 CN CN201480071404.8A patent/CN105849409B/en not_active Expired - Fee Related
- 2014-12-12 JP JP2016545306A patent/JP6263632B2/en not_active Expired - Fee Related
- 2014-12-12 AU AU2014377061A patent/AU2014377061B2/en not_active Ceased
- 2014-12-12 WO PCT/DE2014/000636 patent/WO2015104012A1/en active Application Filing
-
2016
- 2016-06-30 ZA ZA2016/04466A patent/ZA201604466B/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422327A (en) * | 1944-06-10 | 1947-06-17 | Trask Allen | Resilient piston pin bushing |
DE10116641A1 (en) | 2001-04-04 | 2002-10-17 | Seepex Seeberger Gmbh & Co | Bolt joint for an eccentric screw pump, for the coupling rod between the rotor and the drive shaft, has a joint head with structured openings to take the rod coupling pins |
EP1683970A2 (en) * | 2005-01-24 | 2006-07-26 | Knoll Maschinenbau Gmbh | Progressive cavity pump with a covered connecting element |
DE102006058166A1 (en) | 2006-12-09 | 2008-06-19 | Seepex Gmbh + Co Kg | Swivel head for pin joints on connecting rod in eccentric screw pump. It has transverse bores fitted with bushes prevented from moving transversely by stops which cooperate with stops on bore through rod for pin |
DE102012006025B3 (en) | 2012-03-27 | 2013-08-01 | Netzsch Pumpen & Systeme Gmbh | Pin joint for eccentric screw pump |
Non-Patent Citations (1)
Title |
---|
"DREI STERIL-BAUREIHEN", DELTA P, INGENIEUR VERLAG NAGEL, DE, 1 January 2003 (2003-01-01), pages 22/23, XP000962233 * |
Also Published As
Publication number | Publication date |
---|---|
EP3092410B1 (en) | 2017-11-01 |
DE102014100138B3 (en) | 2015-03-26 |
CN105849409B (en) | 2017-10-27 |
AU2014377061A1 (en) | 2016-07-21 |
KR20160107229A (en) | 2016-09-13 |
JP6263632B2 (en) | 2018-01-17 |
AU2014377061B2 (en) | 2017-04-20 |
JP2017503961A (en) | 2017-02-02 |
CN105849409A (en) | 2016-08-10 |
ES2657984T3 (en) | 2018-03-07 |
EP3092410A1 (en) | 2016-11-16 |
ZA201604466B (en) | 2017-08-30 |
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Legal Events
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