EP2942441B1 - Zuführvorrichtung für einen spülkasten - Google Patents

Zuführvorrichtung für einen spülkasten Download PDF

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Publication number
EP2942441B1
EP2942441B1 EP15398004.0A EP15398004A EP2942441B1 EP 2942441 B1 EP2942441 B1 EP 2942441B1 EP 15398004 A EP15398004 A EP 15398004A EP 2942441 B1 EP2942441 B1 EP 2942441B1
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EP
European Patent Office
Prior art keywords
tank
feeding device
float
hole
service
Prior art date
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Active
Application number
EP15398004.0A
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English (en)
French (fr)
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EP2942441A1 (de
Inventor
João Nuno Delgado de Aguilar Botelho Rocha
Vitor António Ferreira da Costa
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.)
Oli Sistemas Sanitarios SA
Original Assignee
Oli Sistemas Sanitarios SA
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.)
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Publication of EP2942441A1 publication Critical patent/EP2942441A1/de
Application granted granted Critical
Publication of EP2942441B1 publication Critical patent/EP2942441B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/024—Operated hydraulically or pneumatically
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/32—Arrangement of inlet valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/33—Adaptations or arrangements of floats
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/36—Associated working of inlet and outlet valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/026—Devices preventing overflow or locks inhibiting the use of the flushing system ; Devices preventing sucking-up of sealing and flushing water

Definitions

  • the present invention relates to a feeding device for a flushing tank for sanitary appliances.
  • flushing tanks for toilets and other sanitary appliances are normally provided with a draining valve, which serves to drain a predetermined amount of water from the tank, and a feeding device, which serves to refill the tank after each drain with water from a water mains.
  • a feeding device for a flushing tank generally has an inlet, which is connected in use to a connection of the water mains to bring water to the filling valve, an outlet, which brings water from the filling valve to the tank, and a filling valve, operated by a float and arranged between the inlet and the outlet; the float is mechanically connected to the filling valve to selectively open/close the filling valve according to the position of the float, i.e. the water level in the tank.
  • Some feeding devices are provided with a delayed filling system, which allows the opening of the filling valve to be delayed with respect to the time in which the water in the tank drops below the level at which the float is placed. Thereby, the feeding device is prevented from starting to fill the tank when the draining valve is still open, thus avoiding an unnecessary water consumption.
  • Examples of delayed feeding devices are disclosed by WO99/20850A1 and US3553740A : in both such documents the filling valve is operated by a float which is housed in a casing having an open top opening, through which the casing may be filled with water, and a bottom drain hole, from which water may leak from the casing; the casing comprises a tank, in which the float is housed, and a siphon system connecting the tank to the drain hole.
  • the delayed feeding devices of the known type are not completely satisfactory, especially in terms of simplicity of construction and reliability in use.
  • the known feeding devices are not able to prevent the filling valve from opening in case of leaks from the flushing tank, for example when there is a malfunction of the draining valve.
  • the water level in the tank drops, more or less quickly depending on the leak extent; in any case, the point is reached in which the water is no longer supporting the float of the feeding device, whereby the filling valve opens; the water flows into the tank but since the tank is still leaking, water is still wasted.
  • the present invention relates to a feeding device for a flushing tank for sanitary appliances, as defined in essential terms in appended claim 1 and, in its additional features, in the dependent claims.
  • the feeding device of the invention allows not only water to be saved in the normal operation of the flushing tank, by delaying the entrance of water into the flushing tank after draining; but it also allows water to be saved in case of water leaks of any type from the tank, for example through the draining valve or due to other causes.
  • the feeding device of the invention prevents the tank from continuing to be filled with water as a result of any leaks of water from the tank (for example, due to a malfunction of the draining valve, or breakage of the tank, etc.).
  • the feeding device of the invention intervenes in different manners both in case of moderate leaks and in case of larger leaks.
  • reference numeral 1 indicates a feeding device of a flushing tank 2 (known and not shown in detail for simplicity) of sanitary appliances.
  • the feeding device 1 comprises a support body 3, substantially extending along an axis A (which is substantially vertical in use) and is internally provided with a channel 4; a feed valve 5, supported by body 3 and positioned along channel 4; and a float 6 mechanically connected to a shutter 7 of the feed valve 5.
  • body 3 comprises a top head 8 and a tube 9 projecting from head 8 downwards along axis A.
  • Channel 4 has an inlet 11 connectable to an outer pipe of a water mains through a fitting 12, and a main outlet 13, ending in use in the flushing tank 2.
  • the feed valve 5 is located along channel 4 and is operated by float 6, which particularly acts on shutter 7.
  • Shutter 7 is connected to float 6 by means of a lever 14 and is movable for selectively opening/closing channel 4.
  • Body 3 is provided with a guide 15 parallel to axis A, and float 6 is slidably mounted on guide 15, formed for example on tube 9; float 6 slides along axis A (or parallel to axis A).
  • Float 6 is housed in a cup-shaped casing 20 which is integrally attached to pipe 9.
  • casing 20 extends along axis A and is open at the top, having a top opening 21 facing body 3; casing 20 has a bottom wall 22 transverse to axis A and provided with a bottom drain hole 23, and a lateral wall 24, substantially parallel to axis A and surrounding float 6.
  • Casing 20 comprises a first tank 25, in which float 6 is housed, and a siphon system 26 connecting tank 25 to the drain hole 23.
  • the siphon system 26 comprises a second tank 27, arranged laterally by the side of tank 25 and communicating therewith through a lower passage 28; and a pair of side-by-side tubes 31, 32 communicating through an upper passage 33, located at a level along axis A higher than the lower passage 28.
  • Tanks 25, 27 extend substantially parallel to axis A; tank 27 is adjacent to tank 25 and is separated from the tank by a partition 34, in which the lower passage 28 is formed, close to the bottom wall 22.
  • Tubes 31, 32 are substantially parallel to each other and to axis A, and communicate with each other through the upper passage 33, for example formed in a partition 35 which projects upwards from the bottom wall 22 and separates the tubes 31, 32.
  • Tube 31 communicates with tank 27; tube 32 ends with the bottom drain hole 23, formed for example in the bottom wall 22.
  • Tube 32 is provided with a top service hole 36, for example formed in a transverse partition 37 arranged above passage 33 (i.e. at a higher level than passage 33 along axis A) and which divides tube 32 in a top chamber 38 and a bottom chamber 39, which are one above the other.
  • the siphon system 26 is provided with a service valve 41, comprising: a service shutter 42 cooperating with the service hole 36 for selectively opening/closing the service hole 36; a service float 43; and a rod 44 which joins float 43 to shutter 42.
  • Shutter 42 is arranged in the top chamber 38 of tube 32 and slides, along with rod 44, parallel to axis A to close/open the service hole 36.
  • Rod 44 is housed in tube 32, in particular in the bottom chamber 39, and is substantially parallel to axis A; rod 44 is arranged through the service hole 36 and projects downwards through the drain hole 23.
  • Float 43 is placed outside casing 20 and below casing 20, in particular outside tube 32 beyond the drain hole 23 and therefore at a level below float 6.
  • Rod 44 is inserted with radial clearance into the drain hole 23, so as to not fully occlude the drain hole 23 but to define a drain passage 45.
  • the feeding device 1 also comprises a gutter duct 48 which feeds a supplementary tank 49, arranged below the head 8 of body 3 and integrally attached to body 3.
  • the gutter duct 48 has an inlet end 51 and an outlet end 52, and is inclined from end 51 towards end 52.
  • End 51 is located below an auxiliary outlet 53, formed in body 3 and communicating with channel 4 downstream of shutter 7, in order to receive a small portion of the water circulating in channel 4 when shutter 7 opens channel 4.
  • End 52 is located above the supplementary tank 49 for pouring water into the supplementary tank 49.
  • Tank 49 has a bottom exit hole 54 formed in a bottom wall 55 of tank 49; and a lateral discharge hole 56, formed in a lateral wall 57 of tank 49 and set at a level (along axis A) higher than the exit hole 54.
  • Tank 49 is provided with an auxiliary valve 61, comprising: an auxiliary shutter 62 cooperating with the exit hole 54 for selectively opening/closing the exit hole 54; an auxiliary float 63; and a rod 64 which joins float 63 to shutter 62.
  • Shutter 62 is arranged in tank 49 and slides, along with rod 64, parallel to axis A to close/open the exit hole 54.
  • Rod 64 extends substantially parallel to axis A and is arranged through the exit hole 54.
  • Float 63 is placed beyond the exit hole 54 outside tank 49 and outside casing 20, in particular under casing 20, i.e. at a level (along axis A) lower than float 6 and float 43.
  • Float 63 serves the function of checking whether the water level in tank 2 increases and, as a result of a level increase, promotes the closing of the feed valve 5.
  • the discharge hole 56 is located above casing 20 and axially aligned to tank 25, so that the water exiting tank 49 through the discharge hole 56 falls into casing 20 and exactly into tank 25, which is open at the top.
  • the operation of the feeding device 1 is as follows.
  • the main float 6 floats into casing 20 filled with water and keeps the feed valve 5 closed (by acting on shutter 7).
  • Floats 43, 63 are kept raised from the water contained in the flushing tank 2 and the service hole 36 and the outlet hole 54 are open.
  • the feeding device 1 intervenes with a delayed filling mode: the main float 6, being housed in casing 20 full of water (specifically, in tank 25), does not drop directly as the water level decreases in the flushing tank 2, but remains raised as long as there is water in the tank 25 of casing 20.
  • float 43 drops and drags shutter 42 downwards, closing the service hole 36 and activating the siphon system 26. Since air cannot enter through the service hole 36, tubes 31, 32 draw in water from tank 25; the water exits through the drain passage 45 (drain hole 23).
  • the water in tank 27 serves to ensure that air does not enter into the siphon system 26 when the water level in the flushing tank 2 varies between levels L1 and L2.
  • tank 25 When tank 25 empties, the drainage time of tank 25 is regulated by the geometry of tube 31 and in particular by the size of the drain passage 45.
  • the main float 6 loses its buoyancy and moves downwards, thus moving shutter 7 which opens the feed valve 5; the water enters into channel 4 and through tube 9 it fills the flushing tank 2.
  • the feeding device 1 also intervenes in case of leaks of the flushing tank 2, for example when there is a malfunction of the drain valve, in order to keep the feed valve 5 closed even though the flushing tank 2 empties, and to prevent waste of water.
  • the siphon system 26 does not work as a siphon since the service hole 36 is open and thus allows the air to enter into the siphon system 26; as a result, tank 27 and tubes 31, 32 become empty, through the drain passage 45, while tank 25 housing the main float 6 remains full, keeping float 6 raised and thus keeping shutter 7 and the feed valve 5 closed.
  • the main float 6 opens the feed valve 5, in particular once the water in the flushing tank 2 has reached level L2 at which float 43 drops and closes the service hole 36, thus activating the siphon system 26 which empties tank 25.
  • Float 63 placed close to the bottom of the flushing tank 2 and in any case below float 43, is still raised and keeps the exit hole 54 open. Therefore, the water conveyed by the gutter duct 48 does not fill tank 49 but exits from the exit hole 54.
  • the water fills casing 20 as well as tank 25; the main float 6 rises and closes the feed valve 5, thus stopping the water from entering into the flushing tank 2.
  • the feeding device 1 works in a recovery mode: when the feeding device 1 is to be restored, or a forced filling of the flushing tank 2 is desired, the main float 6 is manually pressed downwards; thereby, the water is discharged from tank 25 and the feed valve 5 is opened.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Float Valves (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Claims (14)

  1. Zuführungsvorrichtung (1) für einen Spulkasten aufweisend einen Tragkörper (3), welcher sich im Wesentlichen entlang einer Achse (A) erstreckt und im Inneren mit einem Kanal (4) versehen ist, der einen Einlass (11), der mit einem Außenrohr einer Wasserleitung verbunden werden kann und mindestens einen Hauptauslass (13) hat, der bei der Verwendung in einem Spülkasten endet;
    ein Zuführventil (5), das von dem Körper (3) unterstützt wird und entlang des Kanals (4) positioniert ist; und einen Hauptschwimmer (6), der mechanisch mit dem Zuführventil (5) verbunden ist, wobei der Hauptschwimmer (6) in einem Gehäuse (20) untergebracht ist, das einstückig mit dem Körper (3) verbunden ist und eine obere Öffnung (21) aufweist, durch die das Gehäuse (20) mit Wasser gefüllt werden kann, sowie ein unteres Abflussloch (23), aus dem Wasser aus dem Gehäuse (20) austreten kann;
    wobei das Gehäuse (20) einen ersten Tank (25), in dem der Hauptschwimmer (6) untergebracht ist und ein Syphonsystem (26) aufweist, das den ersten Tank (25) mit dem Abflussloch (23) verbindet, wobei die Zuführungsvorrichtung (1) dadurch gekennzeichnet ist, dass das Syphonsystem (26) mit einem Wartungsventil (41) ausgerüstet ist, das von einem Wartungsschwimmer (43) zum Öffnen/Schließen einer Wartungsöffnung (36) betätigt wird und folglich den Eintritt von Luft in das Syphonsystem (26) ermöglicht/verhindert.
  2. Zuführungsvorrichtung (1) nach Anspruch 1,
    wobei der Wartungsschwimmer (43) außerhalb des Gehäuses (20) und unterhalb des Gehäuses (20) jenseits der Abflussöffnung (23) und auf einem niedrigeren Niveau als der Hauptschwimmer (6) angeordnet ist.
  3. Zuführungsvorrichtung (1) nach Anspruch 1 oder 2,
    wobei das Wartungsventil (41) einen Wartungsverschluss (42) aufweist, der mit dem Wartungsschwimmer (43) verbunden ist und mit der Wartungsöffnung (36) zusammenwirkt, um die Wartungsöffnung (36) selektiv zu öffnen/zu schließen.
  4. Zuführungsvorrichtung (1) nach einem der vorangehenden Ansprüche,
    wobei der Wartungsschwimmer (43) mit dem Wartungsverschluss (42) über eine Stange (44) verbunden ist, die durch die Wartungsöffnung (36) hindurch angeordnet ist und durch das Ablassloch (23) nach unten ragt.
  5. Zuführungsvorrichtung (1) nach Anspruch 4,
    wobei die Stange (24) mit radialem Spiel in das Abflussloch (23) eingesetzt ist, so dass sie das Abflussloch (23) nicht vollständig verschließt, sondern einen Abflussdurchlass (45) bildet.
  6. Zuführungsvorrichtung (1) nach einem der vorangehenden Ansprüche,
    wobei das Syphonsystem (26) einen zweiten Tank (27), der seitlich neben dem ersten Tank (25) angeordnet ist und mit dem ersten Tank (25) über einen Durchgang (28) in Verbindung steht; und ein Paar nebeneinander angeordneter Rohre (31, 32) aufweist, die über einen oberen Durchgang (33) in Verbindung stehen, der sich auf einer Höhe entlang der Achse (A) befindet, die höher als der untere Durchgang (28) ist.
  7. Zuführungsvorrichtung (1) nach Anspruch 6,
    wobei das Wartungsloch (36) auf einer Höhe entlang der Achse (A) angeordnet ist, die höher ist als der obere Durchgang (33) .
  8. Zuführungsvorrichtung (1) nach einem der vorangehenden Ansprüche aufweisend
    eine Ringkanal (48), die so geformt ist, dass sie Wasser aus dem Kanal (4) aufnimmt und einen Zusatztank (49) speist, der einstückig mit dem Körper (3) verbunden ist und ein Hilfsventil (61), das von einem Hilfsschwimmer (63) zum Öffnen/Schließen einer unteren Ausgangsöffnung (54) des Zusatztanks (49) betätigt wird.
  9. Zuführungsvorrichtung (1) nach Anspruch 8,
    wobei das Hilfsventil (61) einen Hilfsverschluss (62) aufweist, der mit dem Hilfsschwimmer (63) verbunden ist und mit dem Ausgangsloch (54) zusammenwirkt, um das Ausgangsloch (54) selektiv zu schließen/zu öffnen.
  10. Zuführungsvorrichtung (1) nach Anspruch 8 oder 9,
    wobei eine Austrittsöffnung (54) in einer Bodenwand (50) des Zusatztanks (49) ausgebildet ist und der Zusatztank (49) eine seitliche Auslassöffnung (56) aufweist, die in einer Seitenwand (57) des Zusatztanks (49) ausgebildet ist und auf einem höheren Niveau als die Austrittsöffnung (54) liegt.
  11. Zuführungsvorrichtung (1) nach Anspruch 10,
    wobei die seitliche Auslassöffnung (56) oberhalb des Gehäuses (20) angeordnet ist, um Wasser durch die seitliche Auslassöffnung (56) in das Gehäuse zu gießen.
  12. Zuführungsvorrichtung (1) nach einem der Ansprüche 8 bis 11,
    wobei der Hilfsschwimmer (63) seitlich der Austrittsöffnung (54) außerhalb des Zusatztankes (49) und außerhalb des Gehäuses (20) auf einem niedrigeren Niveau als der Hauptschwimmer (6) angeordnet ist.
  13. Zuführungsvorrichtung (1) nach einem der Ansprüche 8 bis 12,
    wobei der Ringkanal (48) ein Einlassende (51) und ein Auslassende (52) aufweist und vom Einlassende (51) zum Auslassende (52) hin abgeschrägt ist.
  14. Zuführungsvorrichtung (1) nach einem der Ansprüche 8 bis 13,
    wobei das Einlassende (51) unterhalb eines Hilfsauslasses (53) angeordnet ist, der in dem Körper (3) stromabwärts eines Verschlusses (7) des Zuführventils (5) des Kanals (4) ausgebildet ist, zum Aufnehmen von Wasser aus dem Kanal (4), wenn der Verschluss (7) den Kanal (4) öffnet, und das Auslassende (52) oberhalb des Zusatztankes (49) angeordnet ist, um Wasser in den Zusatztank (49) zu gießen.
EP15398004.0A 2014-05-09 2015-05-11 Zuführvorrichtung für einen spülkasten Active EP2942441B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20140851 2014-05-09

Publications (2)

Publication Number Publication Date
EP2942441A1 EP2942441A1 (de) 2015-11-11
EP2942441B1 true EP2942441B1 (de) 2022-06-29

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EP15398004.0A Active EP2942441B1 (de) 2014-05-09 2015-05-11 Zuführvorrichtung für einen spülkasten

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EP (1) EP2942441B1 (de)
RU (1) RU2015117778A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700018269A1 (it) 2017-02-17 2018-08-17 Oliveira & Irmao Sa Gruppo di alimentazione/scarico di una cassetta di risciacquo
DE212020000621U1 (de) 2019-05-10 2022-03-28 F Squared Tech, Inc. Hydrauliksystem mit Verteiler, Spülventil und Absperrung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553740A (en) * 1968-10-21 1971-01-12 Clifford Cyril Fogg Float controlled valves of cisterns
US5421038A (en) * 1994-06-21 1995-06-06 Sanitarios Azteca, S.A. Refilling preventing system for a toilet tank
GB9820486D0 (en) * 1997-10-18 1998-11-11 Jackson John A Improvements in valve actuators for lavatory flush cistern water inlet valves
GB2336193A (en) * 1998-04-08 1999-10-13 Dennis Raymond Henson Rapid float
GB0515756D0 (en) * 2005-07-30 2005-09-07 Henson Delayed Valves Ltd Improvements to a ballcock valve regulator
US8707474B2 (en) * 2008-05-13 2014-04-29 Ervin J. Rachwal Toilet controls

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RU2015117778A3 (de) 2018-11-08
EP2942441A1 (de) 2015-11-11
RU2015117778A (ru) 2016-12-10

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