EP0468013B1 - Dispositif de distribution de morceaux de bande - Google Patents

Dispositif de distribution de morceaux de bande Download PDF

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Publication number
EP0468013B1
EP0468013B1 EP91903297A EP91903297A EP0468013B1 EP 0468013 B1 EP0468013 B1 EP 0468013B1 EP 91903297 A EP91903297 A EP 91903297A EP 91903297 A EP91903297 A EP 91903297A EP 0468013 B1 EP0468013 B1 EP 0468013B1
Authority
EP
European Patent Office
Prior art keywords
roll
web
roller
dispenser
spring
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
Application number
EP91903297A
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German (de)
English (en)
Other versions
EP0468013A1 (fr
Inventor
Bernhard Wirtz-Odenthal
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.)
Scott-Feldmuehle GmbH
Original Assignee
Scott-Feldmuehle GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scott-Feldmuehle GmbH filed Critical Scott-Feldmuehle GmbH
Publication of EP0468013A1 publication Critical patent/EP0468013A1/fr
Application granted granted Critical
Publication of EP0468013B1 publication Critical patent/EP0468013B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3687—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices with one or more reserve rolls
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—The cutting devices being driven manually
    • A47K10/3643—The cutting devices being driven manually by pulling the paper
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K10/3631—The cutting devices being driven manually
    • A47K2010/365—Triggering mechanism for the blade
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
    • A47K10/32—Dispensers for paper towels or toilet-paper
    • A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
    • A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
    • A47K2010/3675—Braking devices

Definitions

  • the invention relates to a device for dispensing web sections, in particular paper towels from a dispensing roll with automatic switching of the dispensing to a supply roll when the dispensing roll is exhausted, in which a spring-loaded button in contact with the material web of the dispensing roll detects the presence of the material web of the dispensing roll and in the absence thereof via a lever construction, the end of the material web of the dispensing roller presses against the beginning of the material web of the supply roll and jointly feeds both material webs to a pressure roller and the counter roller which is in engagement with it.
  • Reel sheet dispensers are known in a variety. In addition to the dispensers of wiping or cleaning towels, the dispensers in front of towels have the greatest importance, which is why the invention is to be dealt with below using the example of a towel dispenser, but without restricting it to them.
  • Towel dispensers that are equipped with a supply roll and that use the supply roll on the first roll when the paper supply is exhausted are known from US Pat. No. 4,236,679, EP-OS 319 166, EP-OS 235 446 and DE- OS 28 12 756 known. According to US Pat. No. 4,236,679, it is proposed to arrange the material rollers one above the other on articulated suspension levers, as a result of which they are in contact with one another and to support the lower roller on a transport roller. After the lower material web roller has been exhausted, the bearing levers swing back and the reserve roller moves into place first output roll. However, it is not ensured that the beginning of the web of the spare roll also emerges from the dispenser downwards.
  • EP-OS 319 166 provides for the delivery of web material by means of a toothed surface-operated sliding surface, around which the material of the first roll is looped and leads to the removal opening.
  • the beginning of the web of the second roll is placed on the sliding surface and pressed onto the transport roll with a pressure plate.
  • the pressure plate has notches, by which the start of the web of the second paper roll is held. If the first paper roll has been unwound, the greater friction of the transport roll increases the frictional resistance between the start of the web of the second paper roll and the transport roll, as a result of which the paper is pulled over the catches and reaches the outlet opening.
  • EP-OS 235 446 shows a switching mechanism in which a sensor, which is connected to a lever system, scans the diameter of the first roller and, with increasing diameter reduction, a pressure roller of the transport roller, via which the paper is passed, via the lever system, feeds. Below the pressure roller, the web start of the reserve roller is stored at a fixed point, which is then pressed onto the transport roller when the first roller has essentially been unwound, as a result of which material can be unwound from the reserve roller.
  • This construction does not ensure that the At the beginning of the path of the reserve roll, it is also not ensured that it is not unintentionally pulled off with the first path.
  • DE-OS 28 12 756 describes a towel dispenser according to the preamble of claim 1, in which the first paper roll is arranged above the spare roll, the web to be pulled off being guided along a spring-loaded sensor between two rollers held at a distance to a transport and Counter-pressure roller and is guided from this to the exceptional opening
  • the web to be dispensed is kept under tension between the first roller and the transport roller, and the beginning of the web of the second paper roller is introduced into the nip.
  • a roller of the rollers forming the nip is on the feeler lever stored.
  • a spring presses the sensor in the direction of the empty winding tube of the first paper roll and thus presses the end of the web of the first paper roll in the nip against the beginning of the web of the second paper roll, which is thereby also removed can.
  • the disadvantage here is that the pressure in the nip must be relatively high so that the second paper web is taken along. This in turn means that only very tear-resistant paper can be used, since the sensor only keeps the nip open when it is pressed back against the spring force by the first paper web.
  • the object of the present invention is to avoid the disadvantages described above.
  • a button under spring tension in contact with the material web of the dispensing roll detects the presence of the material web of the dispensing roll and detects it Missing over one Lever construction presses the end of the material roll of the dispensing roller against the beginning of the material web of the supply roll and together feeds both material webs to a pressure roller and the counter roller in engagement with it
  • this task is solved by the combination of the following features: the button rests on the delivery roller and unlocks a catch or a projection of a swivel plate via lever, the swivel plate carries a bearing and can be moved around a swivel pin by means of a spring, the spring rotates the swivel plate with the supply roll resting on the bearing against a sprocket, the sprocket presses the end of the material roll of
  • the paper web to be drawn off is guided along the supply roll at a distance from the toothed roll.
  • the supply roll is blocked by a brake according to a preferred embodiment of the invention, and thus unwinding of the paper is reliably prevented. If the dispenser roll is unwound to a few layers, a lever mechanism releases the locking mechanism of a swivel plate that carries a bearing of the supply roll, the swivel plate with the bearing and supply roll is pressed by spring force against the paper web pulled off the dispenser roll and with it against the sprocket and comes out of the engagement of the brake by this movement.
  • the supply roll By further pulling the paper web off the first roll, i.e. the Dispensing roll, the supply roll, which is now no longer blocked, is rotated, ie the beginning of the web of the supply roll is unwound with the paper web of the dispensing roll, fed to the portioning roll via a pressure roll and drawn off therefrom. Until the paper on the delivery roll is completely used up, two to four web sections are dispensed, which are double-layered, which is necessary for the safety of the functioning of the dispenser.
  • the button is pressed onto the dispensing roller by means of a button spring, the button being expediently connected to a holding rod by means of a hinge pin.
  • the spring that presses the button on the delivery roller is also the actuator for the handrail, d. H. it pulls the support rod upwards as the diameter of the dispensing roller decreases, so that the end of the support rod approaches the support rod guide and thus releases the catch of the swivel plate. Only after the release can the supply roll be pivoted and thus the output of web sections can be switched from the delivery roll to the supply roll.
  • the push button consists of a flat profile, which is on the dispenser roll has overlying slider and engages via a pin in a control fork of an L-profile
  • the L-profile is expediently pivoted about a bearing pin and can be in engagement with the projection of the pivot plate.
  • the button scans the roller diameter of the discharge roller, the slide piece resting on the discharge roller.
  • the button moves in the direction of the roller center, whereby the pin opposite the slide in the control fork of the L-profile swivels the L-profile, so that the projection of the swivel plate no longer matches the L-profile when the discharge roller is practically unwound communicates.
  • the supply roll releases from the brake and is pressed against the toothed roll, whereby the delivery of web sections from the supply roll is initiated.
  • a portioning roller (1) which is provided with a friction lining (2), is arranged in the lower region of the sheet dispenser.
  • the end faces of the portioning roller (1) have a spiral guide (3), in each of which a nose (5) of a slide (6) engages.
  • the slider (6) engages with its slot (7) the shaft (8) of the portioning roller (1). If the portioning roller (1) is moved clockwise by pulling the paper web (39), the nose (5) slides in the spiral guide (3) and thereby moves the slide (6).
  • the slide (6) which is knee-shaped in its lower region, has a joint (11) at the end opposite the nose (5), which connects it to the knife (12) and the knife lever (14)
  • Bearing blocks (81) of the portioning roller (1) is articulated and connects the recess (65) in the bearing blocks (81).
  • the rear portion of the knife (12) which is designed as a toothed knife blade, projects beyond the joint (11) and there has knife bolts (45) which engage in the forks (9) of the release anchor (10).
  • the release anchor (10) which is articulated to the slide (6) via a stud bolt (44), has a stop surface (17) on the outside of an anchor surface and the inner stop surface (82) on the inside of the other anchor surface.
  • the stops (18) arranged on their end faces (43) abut against the stopper surfaces (17) Release anchors (10) which interact with both end faces (43).
  • this stop position of the portioning roller (1) a length of web has been unwound, at the same time the slide (6) has moved to its outermost position, as a result of which the knife (12) has been brought outwards and thus into the area of the removed paper web (39).
  • the knife (12) is now in engagement with the paper web (39), by further pulling the paper web (39) is cut through and releases the web section (50), at the same time the knife is counter to the spring force direction of the knife spring (13) until it stops moved to a backstop (42), whereby the release armature (10) is rotated about the stud bolt (44) via the knife bolt (45) engaging in the fork (9) of the release armature (10), so that the stopper surface (17) moves away from it Lift off the stop (18).
  • the knife (12) is locked in this position on the backstop (42) and is only retracted by the knife spring (13) when the web section (50) has been cut off, that is, no more tension is exerted on the knife (12).
  • a spring-operated feed to be explained later rotates the portioning roller (1) clockwise by a few degrees until the stop (18) lies against the inner stop surface (82) and locks the portioning roller (1) a second time, thereby creating a new piece the paper web (39) is guided out of the dispenser so that it can be gripped by hand.
  • the nose (5) is guided in the spiral guide beyond the shoulder (4) and the knife (12) releases the knife (12) from the stopper (42). So that the nose (5) by the return spring (15), the Legs (16) of the knife lever (14) attacks, returned to their starting position, so that the knife (12) is retracted.
  • the paper web (39) is located on a delivery roller (38) which is arranged in the upper region of the dispenser and rests on bearing stumps (26).
  • the bearing stump (26) consists of a downwardly sloping pipe section and is an integral part of a folding bearing (24) which is pressed by means of a pressure spring (25) through the right or left inner wall (56), (57) of the dispenser and with it is connected to the folding pin (23) in and out.
  • the folding pin (23) is received by eye bearings (66) which are arranged on the inner walls (56, 57).
  • the space between the inner walls (56) and (57) corresponds to the width of the discharge roller (38). If the dispensing roller (38) is used, this is done from below, i.e. along the slope (47) of the bearing stumps (26), which fold outwards until the winding tube (76) of the dispensing roller (38) is reached, i.e. up to the time when the pressure spring (25) press the bearing stumps (26) into the winding tube (76) of the dispensing roller (38).
  • the diameter of the delivery roller (38) is limited by a limiter (51) arranged in the rear wall (53) such that only delivery rollers (38) with a defined maximum diameter can be used.
  • buttons (31) On the delivery roller (38) there is a button (31) which is mounted in a bearing pin (32) and by means of a key spring (33) is held in the support position.
  • a hinge pin (30) connects the handrail (29) to the button (31) and is guided in a handrail guide (49).
  • the lower area engages with the catch (28) of a swivel plate (27), which can be moved around the swivel pin (22) and carries a folding bearing (24).
  • the button (31) By pulling the paper web (39) from the dispensing roller (38), its diameter is reduced, so that the button (31) moves continuously downwards and thus the holding rod (29) is pulled upwards until the dispensing roller (38) is almost empty.
  • the holding rod (29) releases the catch (28) and the swivel plate spring (48) moves the swivel plate (27) and thus the folding bearing (24) in the direction of the toothed roller (21).
  • the supply roll (40) rests on both sides in folding bearings (24). However, one of these folding bearings (24) is located on the swivel plate (27), that is to say that the supply roll is offset on one side by the swivel plate spring (27) against the sprocket (21) which is mounted in the sprocket block (46).
  • the brake (20) is no longer in engagement with the circumference of the supply roll (40) so that it can rotate freely.
  • the toothed roller (21) presses the paper web (39) coming from the delivery roller (38) against the supply roll (40), so that the beginning of the web (41) unwinds from the supply roll (40) when the paper web (39) is drawn off Pressure rollers (19) reached and passed over the portioning roller (1) to the dispenser opening (55).
  • the cover (54) of the dispenser has a fill level window (35) through which the scale (52) of the fill level lever (34) is visible; the fill of the dispenser is thus visible from the outside.
  • the scale (52) is designed so that a warning already appears when 2/3 of the supply roll has been used up. If the container is refilled in this state, the now partially unwound supply roll (40) is exchanged for the empty winding tube (76) of the dispensing roll (38) and a new supply roll (40) is inserted into the dispenser.
  • the trigger mechanism for the supply roll (40) is constructed differently in FIGS. 1 and 9.
  • the delivery roller is scanned by a slide (69) resting on the delivery roller (38), which forms an integral part with a flat profile (71), can be rotated about the bolt (70) and a pin (72) on the slide (69) opposite end.
  • This pin (72) engages in the control fork (73) of an L-profile (74) which is connected to the right inner wall (57) of the dispenser via a bearing pin (75).
  • the front area of the L-profile (74) has a hook stop (77) which engages behind a projection (78) of the folding bearing (24) arranged on the swivel plate (27).
  • the toothed roller (21) sits on the right side of the cover (54) in a toothed roller block (46), which is an integral part of the cover (54).
  • the lid is mounted in lid bearings (58), which are located in the right and left inner walls (57, 56). In its upper area near the rear wall (53) it has a holding slot (67) into which a resilient hook (68) arranged on the rear wall engages.
  • the portioning roller (1) is arranged on bearing blocks (81) in the lower region of the cover (54). which is folded forward when the lid (54) is folded down, so that the paper web (39) can be passed comfortably between the pressure rollers (19) and the portioning roller (1) when changing the rollers.
  • the shaft (8) of the portioning roller (1) reaches through one of the bearing blocks (81) and carries at its outer end a curved segment (63) which has a transport surface (64).
  • the cam segment (63) engages with the sliding surface (60) of the transport lever (59), which is pressed against the cam segment (63) by the transport spring (61). If the paper web (39) is pulled off and the portioning roller (1) is rotated, the cam segment (63) is rotated at the same time, ie the sliding surface (60), which is in the idle state of the portioning roller (1) on the transport surface (64), slides along the circumference of the curve segment (63), moves the transport lever (59) downward and in the process tensions the transport spring (61).
  • the portioning roller (1) is locked in that the stop surface (17) of the release armature (10) abuts the stop (18) of the portioning roller (1) .
  • the knife (12) tilts back, so that the lock is released, ie the stop (18) and the stopper surface (17) are no longer in engagement.
  • the sliding surface (60) slides on the transport surface (64), ie the transport spring (61) pulls the transport lever (59) into its rest position and thus moves the portioning roller (1) until the stop (18) with the inner one Stopper surface (82) is engaged so that the knife (12) can slide back into its starting position and a new piece of paper web (39) is transported to the outside.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Replacement Of Web Rolls (AREA)
  • Unwinding Webs (AREA)
  • Steroid Compounds (AREA)
  • Cephalosporin Compounds (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (7)

  1. Dispositif pour distribuer des morceaux de bande, en particulier des serviettes en papier, à partir d'un rouleau délivreur, avec passage automatique à la distribution à partir d'un rouleau de réserve lorsque le rouleau délivreur est épuisé, dans lequel un palpeur en contact sous contrainte élastique avec la bande de matériau du rouleau délivreur, détecte la présence de la bande de matériau du rouleau délivreur et, lorsque elle fait défaut, presse par l'intermédiaire d'une construction à levier la fin de la bande de matériau du rouleau délivreur contre le début de la bande de matériau du rouleau de réserve et amène les deux bandes ensemble à un rouleau presseur et au contre-rouleau en prise avec lui, caractérisé par la combinaison des caractéristiques suivantes:
    le palpeur (31) est appuyé sur le rouleau délivreur (38) et déverrouille par l'intermédiaire d'un levier un cran (28) ou une saillie (78) d'une plaque basculante (27),
    la plaque basculante (27) porte un palier (24) et est déplaçable par un ressort (48, 79) autour d'un axe de basculement (22),
    le ressort (46, 79) tourne la plaque basculante (27) ensemble avec le rouleau de réserve (40), reposant sur le palier (24), de manière que le rouleau de réserve soit appliqué contre un rouleau denté (21), et
    le rouleau denté (21) presse la fin de la bande de matériau (39) du rouleau délivreur (38) contre le début de la bande (41) du rouleau de réserve (40).
  2. Dispositif selon la revendication 1, caractérisé en ce que le palpeur (31) est pressé contre le rouleau délivreur (38) par un ressort de palpeur (33).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le palpeur (11) est relié par l'intermédiaire d'un axe d'articulation (30) à une tige de maintien (29).
  4. Dispositif selon une des revendications 1 à 3, caractérisé en ce que la tige de maintien (29) est montée dans un guide (49) pour cette tige et est en prise avec un cran (28) de la plaque basculante (27).
  5. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le palpeur (31) est formé d'un profil plat (71) qui présente une pièce de glissement (69) appuyée sur le rouleau délivreur et qui pénètre par un bouton (72) dans une fourchette de commande (73) d'un profil en L (74).
  6. Dispositif selon la revendication 5, caractérisé en ce que le profil en L (74) est tourné autour d'un axe de support (75) et peut être en prise avec la saillie (78) de la plaque basculante (27).
  7. Dispositif selon une des revendications 1 à 6, caractérisé en ce que le rouleau de réserve (40) est en prise avec un frein (20) pendant la distribution de morceaux de bande (50) à partir du rouleau délivreur (38).
EP91903297A 1990-02-10 1991-02-08 Dispositif de distribution de morceaux de bande Expired - Lifetime EP0468013B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4004122A DE4004122A1 (de) 1990-02-10 1990-02-10 Vorrichtung zum ausgeben von bahnabschnitten
DE4004122 1990-02-10

Publications (2)

Publication Number Publication Date
EP0468013A1 EP0468013A1 (fr) 1992-01-29
EP0468013B1 true EP0468013B1 (fr) 1993-07-28

Family

ID=6399887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91903297A Expired - Lifetime EP0468013B1 (fr) 1990-02-10 1991-02-08 Dispositif de distribution de morceaux de bande

Country Status (8)

Country Link
US (1) US5244161A (fr)
EP (1) EP0468013B1 (fr)
AT (1) ATE91863T1 (fr)
DE (2) DE4004122A1 (fr)
DK (1) DK0468013T3 (fr)
ES (1) ES2043469T3 (fr)
NO (1) NO913969D0 (fr)
WO (1) WO1991011946A1 (fr)

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Also Published As

Publication number Publication date
DK0468013T3 (da) 1993-08-30
NO913969L (no) 1991-10-10
DE4004122A1 (de) 1991-08-14
US5244161A (en) 1993-09-14
EP0468013A1 (fr) 1992-01-29
ES2043469T3 (es) 1993-12-16
ATE91863T1 (de) 1993-08-15
DE59100225D1 (de) 1993-09-02
WO1991011946A1 (fr) 1991-08-22
NO913969D0 (no) 1991-10-10

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