EP0725850B2 - Fadenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannung - Google Patents
Fadenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannung Download PDFInfo
- Publication number
- EP0725850B2 EP0725850B2 EP94930931A EP94930931A EP0725850B2 EP 0725850 B2 EP0725850 B2 EP 0725850B2 EP 94930931 A EP94930931 A EP 94930931A EP 94930931 A EP94930931 A EP 94930931A EP 0725850 B2 EP0725850 B2 EP 0725850B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- braking surface
- feeding device
- thin
- storage body
- constructed
- 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.)
- Expired - Lifetime
Links
- 239000004753 textile Substances 0.000 title claims description 5
- 238000003860 storage Methods 0.000 claims description 77
- 238000009940 knitting Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 238000004804 winding Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 239000004033 plastic Substances 0.000 description 4
- 210000004209 hair Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
- D04B15/482—Thread-feeding devices comprising a rotatable or stationary intermediate storage drum from which the thread is axially and intermittently pulled off; Devices which can be switched between positive feed and intermittent feed
Definitions
- the invention relates to a thread storage and delivery device for textile machines with primarily irregular Thread consumption, such as knitting and knitting machines the patterns, jacquard, curling, plating, commute and e.g. are semi or fully plushable, with one that loosely promotes the thread by one Motor driven storage body on which the thread to form a storage supply wrap tangentially - and depending on the badarf between its as Braking surface trained end face and one in same counter-rotating surface axially rotating
- the counter braking surface is in axial Direction in relation to the accumulator brake surface adjustable to vary the thread take-up tension can.
- a genus of known devices of this Art basically has the disadvantage that the dated Storage body thread pulled off in the axial direction by any ring-shaped, loose on the storage body seated arrangement (metal ring, plastic ring, comb-like plastic ring, brushes and the like Taking off or flying away from the storage body prevented will, however, the desired one and for a correct one Knitting process required thread take-off tension (inlet tension of the thread on the respective knitting system on the machine) the thread, although with much lower tension from the storage body than the storage body is fed for the final and most importantly knitted Inlet tension on the knitting machine system then an additional thread brake between the Storage device and the knitting machine.
- the object of the invention is therefore a thread store - And delivery device of the above To create genus which the desired Features, is simple in structure and function and also in all areas of application intended for this works reliably.
- the thread to be processed (3) is on a rotatably mounted, slip-free conveyor Storage body (9) to form a supply reel tangentially wound and then axially (depending on Requirement) between the braking surface (9 ') Face and one rotating in the same direction and axially displaceably mounted counter braking surface deducted.
- thin, flexible disc (10) is formed.
- This disc is used to make a more even one Contact pressure on each point of the front To reach the braking surface (9 ') of the storage body and that the thread through more or less strong Contact pressure more or less clamped i.e. decelerated is so that the thread take-off tension in wide Ranges is infinitely adjustable the thread prevented from flying away and an untwisting of the storage wrap prevented.
- the thread is over the center of the disc (10), which has a wear-free feedthrough (25), withdrawn; the disc sits on a hub (13), which in turn is applied to a hollow shaft (17).
- the entire structure is centric and flat in both Levels to the storage body or its front Braking surface (9 '), rotatable and displaceable in parallel, stored.
- the thread guide means assigned to the storage body (5, 6, 7,) advantageous fixed with the device chassis (2) are therefore connected to the function block with the Counter braking surface preferably on one in the Slidable longitudinal axis of the storage body Carriage (26) mounted.
- the purpose of this invention is, among others, practically everyone required value at standstill or during Set knitting machine effortlessly can, as well as this for a certain type of yarn once to hold the set value over long periods of time and this even after a change in the meantime another value to be able to reproduce again.
- the disc (10) of the counter braking surface and the associated functional parts are understandable Establish an annular cover (33) protected against accidental contact at the same time extremely effectively prevents unwanted Winding the thread on the shaft of the Disc (10) of the counter braking surface, should be from which Whatever the reason, the wrap from the storage body falling, triggered e.g. due to one too low thread take-off value, so that the last thread turns of the storage reel (8) due the centrifugal forces and also the air resistance lift off the accumulator (9) at higher speeds, and the annoying and often mentioned thread balloon effect otherwise would occur.
- the device according to the invention works like follows: Before starting the knitting machine, the device Switch off with switch (24). The thread to be processed (3) is through the eyelet (5), the thread brake (6), the eyelet (7) is threaded and then across the front of the storage body (9 ') and the disc (10) Counter braking surface over the center of the wear-free Implementation (25), approximately in the rear third The thread is pushed using a threading aid pulled through the hollow shaft (17) and to the designated Knitting point of the machine It is winding up a storage supply roll (8) advantageous if both on the thread infeed and outfeed side a small loop and a slightly higher one Clamping effect of the two braking surfaces is present.
- Figures 1 and 2 show the overall view Device once with and once without various housing covers and from the side.
- This kind of Device is usually by means of a bracket (1) on a handrail, which is common Has space for several devices and which in turn attached to the knitting machine nearby the knitting point to be supplied.
- Storage wrap is axially between the Storage body end face (9 ') and the thin, flexible Disc (10) trained counter braking surface passed and more or less depending on the contact pressure clamped and over their ceramic eyelet (25) and the central hollow shaft (17), withdrawn from the outside.
- Figure 2 is also the sliding carriage (26), on which in this embodiment the motor (14) for driving the formed as a thin, flexible disc (10) Counter braking surface is attached, visible. Turn the adjusting knob (18) over the threaded rod (16), the carriage depending on the position on the Chassis (2), ultimately the disc (10) Counter braking surface more or less on the front Braking surface (9 ') of the memory body (9) pressed.
- Figure 5 finally shows a variant with only one drive motor, the disc (10) the counter braking surface via gear wheels (34, 34 ', 34' ', 34 '' '), driven by the motor (4) of the storage body (9) becomes.
- Moving the disc of the counter braking surface is here instead of with a sled an adjusting screw (35) in which the hollow shaft (17) is stored.
- the counter-braking surface designed as a circular, thin, flexible disc (10) can be driven directly by a speed-controlled / frequency-controlled electric motor (14) become.
- the counter-brake surface designed as a circular, thin, flexible disc (10) can also indirectly via a gearbox from a speed-controlled and / or frequency-controlled one Electric motor are driven.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Description
Claims (16)
- Fadenliefervorrichtung für fadenverarbeitende Textilmaschinen, insbesondere für Strick- und Wirkmaschinen mit unregelmäßigem Fadenverbrauch, mit einem den Faden (3) im wesentlichen schlupflos fördernden, drehbar gelagerten Speicherkörper (9) der mit einem ihn antreibenden Motor (4, 14) direkt oder indirekt gekuppelt ist, und der vom Speicherkörper (9) tangential aufgewickelte und danach über Kopf d.h. axial abgezogene Faden (3) zwischen der als Bremsfläche (9') ausgebildeten Stirnseite des Speicherkörpers und einer sich im selben Drehsinn wie der Speicherkörper drehenden und in axialer Richtung über ihre Lagerung verschiebliche Gegenbremsfläche (10) hindurchgeführt wird, so daß der Faden (3) durch mehr oder weniger starken Anpressdruck mehr oder weniger geklemmt d.h. gebremst wird, sodaß die Fadenabzugspannung in weiten Bereichen stufenlos einstellbar ist,
dadurch gekennzeichnet, daß die Gegenbremsfläche (10) als eine kreisförmige, im Durchmesser etwas größer als jener der Speicherkörperstirnseite, dünne, flexible Scheibe (10) ausgebildet ist, und die Elastizität dieser Scheibe dazu herangezogen wird, einen gleichmäßigeren Anpressdruck auf jeden Punkt der Bremsfläche (9') des Speicherkörpers (9) zu erreichen und daß gleichzeitig der Faden (3) am Wegfliegen gehindert und ein Aufdrehen des Speichervorratswickels (8) unterbunden wird. - Fadenliefervorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die als kreisförmige, dünne, flexible Scheibe (10) ausgebildete Gegenbremsfläche direkt von einem drehzahlgesteuerten/frequenzgeregelten Elektromotor (14) angetrieben wird.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß die als kreisförmige, dünne, flexible Scheibe (10) ausgebildete Gegenbremsfläche indirekt über ein Getriebe von einem drehzahlgesteuerten und/oder frequenzgeregelten Elektromotor angetrieben wird.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die als kreisförmige, dünne, flexible Scheibe (10) ausgebildete Gegenbremsfläche indirekt über Zahnräder ( 34, 34', 34'', 34''') vom Hauptantrieb ( 4 ) mit angetrieben wird.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die als kreisförmige, dünne, flexible Scheibe (10) ausgebildete Gegenbremsfläche im wesentlichen aus einem verschleißfesten Material wie einem dünnen, flexiblen Kunststoff oder Metallblech besteht.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die als kreisförmige, dünne, flexible Scheibe (10) ausgebildete Gegenbremsfläche auf ihrer, der Bremsfläche des Speicherkörpers (9') zugewandten Seite, eine verschleißfeste Beschichtung aufweist.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Weile für den Antrieb, der als kreisförmige, dünne, flexible Scheibe (10) ausgebildeten Gegenbremsfläche eine Hohlwelle (17) ist.
- Fadenliefervorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der Faden ( 3) und der als kreisförmige, dünne, flexible Scheibe ( 10 ) ausgebildeten Gegenbremsfläche zentrisch durch die Hohlwelle (17) geführt d.h. abgezogen wird.
- Fadenliefervorrichtung nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, daß die Hohlwellen ( 17 u. 17a) die Antriebswellen von Elektromotoren ( 14, 4 ) sind.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Speicherkörper ( 9) mit seiner stimseitigen Bremsfläche (9') mit der als kreisförmige, dünne, flexible Scheibe (10) ausgebildeten Gegenbremsfläche in axialer Richtung fluchtet d.h. deren Zentren auf einer Linie liegen.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Speicherkörper (9) mit seiner stirnseitigen Bremsfläche (9') direkt oder über seine Lagerung in seiner axialen Richtung im Verhältnis zur auf einer Welle (17) gelagerten, als kreisförmige, dünne, flexible Scheibe ( 10 ) ausgebildeten Gegenbremsfläche verschoben werden kann.
- Fadenliefervorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß sowohl die Welle ( 17) als auch der Speicherkörper ( 9) mit seiner Bremsfläche (9') in ihrer axialen Richtung im Verhältnis zueinander verschieblich angeordnet sind.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die als kreisförmige, dünne, flexible Scheibe (10) ausgebildete Gegenbremsfläche in ihrem Zentrum eine verschleißfreie Durchführung ( 25 ) aufweist.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die als kreisförmige, dünne, flexible Scheibe (10) ausgebildete Gegenbremsfläche, einschließlich der mit dieser in drehfester Verbindung stehenden Teile, durch ein ringförmiges Teil (33) ganz oder teilweise abgedeckt ist.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß der, die als kreisförmige, dünne, flexible Scheibe (10) ausgebildeten Gegenbremsfläche über die Hohlwelle ( 17 ) tragende, am Chassis (2) verschieblich angeordnete Schlitten (26) feinfühlig mit Hilfe einer Anordnung aus Zahnstange oder Gewindestange (16) mit zugehörigen Einstellmitteln ( 18) verstellbar und in jeder beliebigen Stellung innerhalb des erforderlichen Gesamthubes, zur Abdeckung des erforderlichen Einstellbereiches, arretierbar ist.
- Fadenliefervorrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß der Vorrichtung Mittel zugeordnet sind, die Relativbewegung der am Schlitten (26) drehbar gelagerten, als kreisförmige, dünne, flexible Scheibe (10) ausgebildeten Gegenbremsfläche zur stirnseitigen Bremsfläche des Speicherkörpers (9') und damit die sogenannte Brems - oder Klemmwirkung, letzendlich die daraus resultierende Fadenabzugspannung, z.B. mit Hilfe eines Zeigers (15) an einer Skala ( 27 ) sichtbar zu machen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4336994A DE4336994C1 (de) | 1993-10-29 | 1993-10-29 | Fadenliefervorrichtung mit stufenlos einstellbarer Fadenabzugspannung |
DE4336994 | 1993-10-29 | ||
PCT/DE1994/001258 WO1995012017A1 (de) | 1993-10-29 | 1994-10-25 | Fedenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0725850A1 EP0725850A1 (de) | 1996-08-14 |
EP0725850B1 EP0725850B1 (de) | 1999-01-13 |
EP0725850B2 true EP0725850B2 (de) | 2003-04-16 |
Family
ID=6501361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94930931A Expired - Lifetime EP0725850B2 (de) | 1993-10-29 | 1994-10-25 | Fadenliefervorrichtung mit stufenlos einstellbarer fadenabzugspannung |
Country Status (8)
Country | Link |
---|---|
US (1) | US5727746A (de) |
EP (1) | EP0725850B2 (de) |
JP (1) | JPH09504058A (de) |
KR (1) | KR960705975A (de) |
CN (1) | CN1135777A (de) |
DE (2) | DE4336994C1 (de) |
ES (1) | ES2126791T3 (de) |
WO (1) | WO1995012017A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19537215C2 (de) * | 1995-10-06 | 1999-09-02 | Memminger Iro Gmbh | Fadenliefergerät für elastische Garne |
DE19638618A1 (de) * | 1996-09-20 | 1998-03-26 | Iro Ab | Fadenbremse |
DE10318931B4 (de) * | 2003-04-26 | 2005-10-20 | Memminger Iro Gmbh | Fadenliefergerät |
DE102004039415A1 (de) * | 2004-08-13 | 2006-02-23 | Iro Ab | Fadenverarbeitendes System und Fadenliefergerät |
PL1856303T3 (pl) * | 2005-03-11 | 2009-06-30 | Bekaert Advanced Coatings | Pojedynczy, prostokątny blok czołowy |
CN104073959B (zh) * | 2013-03-25 | 2015-12-23 | 杨欣圃 | 同轴电磁补偿张力器 |
EP2924156B1 (de) * | 2014-03-28 | 2016-11-23 | L.G.L. Electronics S.p.A. | Garnbremsvorrichtung für Speicherfournisseur |
JP2018080406A (ja) * | 2016-11-14 | 2018-05-24 | 村田機械株式会社 | 紡績ユニット及び紡績機 |
CN106835479B (zh) * | 2017-01-21 | 2018-10-12 | 慈溪市赛美格针织器材有限公司 | 一种输纱器的张力器 |
CN109704146B (zh) * | 2019-03-15 | 2020-09-01 | 厦门绫亚针织机械配件有限公司 | 送纱器的张力调整装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3419225A (en) † | 1967-03-22 | 1968-12-31 | Rosen Karl Isac Joel | Device for storing yarn for the immediate need of yarn of knitting machines |
JPS4893757A (de) † | 1972-03-18 | 1973-12-04 | ||
DE2716017B1 (de) † | 1977-04-09 | 1978-08-31 | Barmag Barmer Maschf | Fadenbremse an einem Fadenspeicher |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH374345A (de) * | 1959-12-04 | 1963-12-31 | Sulzer Ag | Webmaschine |
CH394899A (it) * | 1961-10-31 | 1965-06-30 | Sobrevin Soc De Brevets Ind Et | Apparecchio per la regolazione della tensione all'uscita di un filo nel passaggio dal suo svolgimento al suo avvolgimento |
DE1635899B1 (de) * | 1967-03-22 | 1970-04-30 | Rosen Karl I J | Fadenspeicher- und -liefervorrichtung für Textilmaschinen |
US4079759A (en) * | 1974-08-14 | 1978-03-21 | Zbrojovka Vsetin, Narodni Podnik | Apparatus for measuring and adjusting the length of a continuously delivered weft thread |
DE2540749B2 (de) * | 1975-09-12 | 1977-07-07 | Ab Iro, Ulricehamn (Schweden) | Fadenspeicher- und -liefervorrichtung |
DE2542824C2 (de) * | 1975-09-25 | 1977-11-17 | Ab Iro, Ulricehamn (Schweden) | Fadenliefervorrichtung |
IT1087411B (it) * | 1977-09-29 | 1985-06-04 | Savio & C Spa | Dispositivo per il controllo della tensione di filo svolgentesi da un corpo di supporto di filo |
IT1133900B (it) * | 1980-10-15 | 1986-07-24 | Roy Electrotex Spa | Mezzi per effettuare la frenatura del filato in uscita in dispositivi alimentatori di filato a tensione costante e regolabile,particolarmente per macchine tessili |
DE3429219A1 (de) * | 1984-08-08 | 1986-02-20 | Sobrevin Société de brevets industriels-Etablissement, Vaduz | Fadenspeicher- und liefervorrichtung |
RU2091521C1 (ru) * | 1990-03-12 | 1997-09-27 | Иро Аб | Устройство торможения нити на выходной стороне средства подачи нити |
IT1247886B (it) * | 1991-05-03 | 1995-01-05 | Candia Ets | Fornitore di trama per telai senza navetta |
IT1268111B1 (it) * | 1994-10-10 | 1997-02-20 | Lgl Electronics Spa | Dispositivo di frenatura modulata positiva del filato, per apparecchi alimentatori di trama |
US5546994A (en) * | 1994-10-14 | 1996-08-20 | Sobrevin Societe De Brevets Industriels-Etablissement | Thread storage drum with frustoconical brake strip |
WO1996035834A1 (en) * | 1995-05-08 | 1996-11-14 | Heinrich Fabschitz | Apparatus for the control of the rotational speed of a driving unit for a yarn windings storage drum |
-
1993
- 1993-10-29 DE DE4336994A patent/DE4336994C1/de not_active Revoked
-
1994
- 1994-10-25 JP JP7512352A patent/JPH09504058A/ja active Pending
- 1994-10-25 EP EP94930931A patent/EP0725850B2/de not_active Expired - Lifetime
- 1994-10-25 KR KR1019960702146A patent/KR960705975A/ko not_active Application Discontinuation
- 1994-10-25 US US08/637,766 patent/US5727746A/en not_active Expired - Fee Related
- 1994-10-25 WO PCT/DE1994/001258 patent/WO1995012017A1/de active IP Right Grant
- 1994-10-25 DE DE59407664T patent/DE59407664D1/de not_active Expired - Fee Related
- 1994-10-25 ES ES94930931T patent/ES2126791T3/es not_active Expired - Lifetime
- 1994-10-25 CN CN94193941A patent/CN1135777A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3419225A (en) † | 1967-03-22 | 1968-12-31 | Rosen Karl Isac Joel | Device for storing yarn for the immediate need of yarn of knitting machines |
JPS4893757A (de) † | 1972-03-18 | 1973-12-04 | ||
DE2716017B1 (de) † | 1977-04-09 | 1978-08-31 | Barmag Barmer Maschf | Fadenbremse an einem Fadenspeicher |
Also Published As
Publication number | Publication date |
---|---|
DE4336994C1 (de) | 1995-03-30 |
EP0725850A1 (de) | 1996-08-14 |
US5727746A (en) | 1998-03-17 |
DE59407664D1 (de) | 1999-02-25 |
CN1135777A (zh) | 1996-11-13 |
KR960705975A (ko) | 1996-11-08 |
WO1995012017A1 (de) | 1995-05-04 |
EP0725850B1 (de) | 1999-01-13 |
ES2126791T3 (es) | 1999-04-01 |
JPH09504058A (ja) | 1997-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19960503 |
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