EP2732974B1 - Vorrichtung zur Anwendung einer Behandlungsflüssigkeit und Bilderzeugungssystem damit - Google Patents

Vorrichtung zur Anwendung einer Behandlungsflüssigkeit und Bilderzeugungssystem damit Download PDF

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Publication number
EP2732974B1
EP2732974B1 EP13188360.5A EP13188360A EP2732974B1 EP 2732974 B1 EP2732974 B1 EP 2732974B1 EP 13188360 A EP13188360 A EP 13188360A EP 2732974 B1 EP2732974 B1 EP 2732974B1
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EP
European Patent Office
Prior art keywords
treatment liquid
side application
supply
line
circulating line
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.)
Not-in-force
Application number
EP13188360.5A
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English (en)
French (fr)
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EP2732974A1 (de
Inventor
Tetsuya Matsumoto
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP2732974A1 publication Critical patent/EP2732974A1/de
Application granted granted Critical
Publication of EP2732974B1 publication Critical patent/EP2732974B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing

Definitions

  • the present invention relates to a treatment liquid application apparatus for an ink-jet printer and an image forming system including the same.
  • the treatment liquid application apparatus applies a treatment liquid to a to-be-recorded-on medium prior to image formation such as a bleeding prevention agent for preventing image bleeding in the ink-jet printer that forms an image on the to-be-recorded-on medium such as a web by discharging ink droplets thereto.
  • a treatment liquid to a to-be-recorded-on medium prior to image formation
  • a bleeding prevention agent for preventing image bleeding in the ink-jet printer that forms an image on the to-be-recorded-on medium such as a web by discharging ink droplets thereto.
  • An ink-jet printer in a liquid discharge recording type using a recording head that discharges ink droplets is known as an image forming apparatus such as a printer, a facsimile machine, a copier, a plotter or a multifunction peripheral having the respective functions thereof in its housing.
  • a recording head discharges ink droplets onto a to-be-recorded-on medium that is being conveyed, and thus, the ink-jet printer forms an image on the to-be-recorded-on medium.
  • Such ink-jet printers include those of serial type forming images on to-be-recorded-on media by discharging ink droplets thereto by recording heads moving in main scan directions and those of line type forming images on to-be-recorded-on media by discharging ink droplets thereto by recording heads not moving.
  • Such ink-jet printers are advantageous because of low noise and low running cost, and also, because it is easier to provide those carrying out color printing. Therefore, recently such ink-jet printers have rapidly become widespread.
  • an ink-jet printer may have a quality problem, i.e., image bleeding, degradation in image density or tones, an offset of an image, and/or the like, that may occur when an image is formed on a to-be-recorded-on medium other than ink-jet paper.
  • an ink-jet printer may have a problem concerning toughness in an image formed such as a problem concerning water-resistant property, weather-resistant property or the like.
  • Japanese Laid-Open Patent Application No. 2007-50315 proposes a treatment liquid application apparatus in which, for preventing a proper circulation from being obstructed by a treatment liquid that may otherwise be thickened inside a tube or the like through which the treatment liquid flows, a time is measured since a circulation of the treatment liquid was finished at the last time, and a treatment liquid circulation method is changed depending on the time. Further, the treatment liquid is circulated during supply of the treatment liquid.
  • US 5,075,128 discloses a silicone application apparatus and method for applying a controlled amount of silicone emulsion to the surface of a moving web such as a continuous web in a printing press.
  • the present invention provides a treatment liquid application apparatus according to appended claim 1 and a method for applying treatment liquid to a to-be-recorded-on medium according to appended claim 7.
  • FIG. 9 is a schematic diagram showing lines for removing, circulating and supplying a treatment liquid 22 according to the related art case for comparison that the inventor and so forth have devised in the past.
  • the system shown in FIG. 9 includes a front-side application supply pan 23, a back-side application supply pan 24, a treatment liquid cartridge 26 for supplying the treatment liquid 22 to the supply pans 23 and 24, a pump 25 for feeding the treatment liquid 22 to the supply pans 23 and 24, a supply line "h" extending from the cartridge 26 to the pump 25, a front-side application supply line "a” extending from the pump 25 to the front-side application supply pan 23, a back-side application supply line “b” extending from the pump 25 to the back-side application supply pan 24, an electromagnetic valve 27 for opening and closing the supply line "a” and an electromagnetic valve 28 for opening and closing the supply line "b".
  • the system further includes a reserve tank 21 for temporarily storing the treatment liquid 22, a filter chamber 41 including a filter 32 inside for removing foreign matter contained in the treatment liquid 22, a front-side application removing and circulating line "c" connected from the front-side application supply pan 23 to the reserve tank 21 and the filter chamber 41, an electromagnetic valve 30 for opening and closing a removing line at the side of the reserve tank 21 on the front-side application removing and circulating line "c", an electromagnetic valve 35 for opening and closing a removing and circulating line at the side of the filter chamber 41 on the front-side application removing and circulating line "c", a back-side application removing and circulating line "d” connected from the back-side application supply pan 24 to the reserve tank 21 and the filter chamber 41, an electromagnetic valve 34 for opening and closing a removing line at the side of the reserve tank 21 on the back-side application removing and circulating line "d”, an electromagnetic valve 40 for opening and closing a removing and circulating line at the side of the filter chamber 41 on the back-side application removing
  • An electromagnetic valve 39 that is a three-way valve is installed at a point at which the supply line "h” and the returning line “e” are connected. As a result of the electromagnetic valve 39 being opened, the supply line “h” connecting the pump 25 and the cartridge 26 is opened. As a result of the electromagnetic valve 39 being closed, the returning line “e” connecting the pump 25 and the filter chamber 41 is opened.
  • the system further includes a waste liquid tank 36 for disposing of the treatment liquid 22, a waste liquid line “f” extending from the reserve tank 21 to the waste liquid tank 36, and an electromagnetic valve 37 for opening and closing the waste liquid line "f".
  • Squeezing rollers 29 supply the treatment liquid 22 stored in the supply pans 23 and 24 to application rollers 31, which application rollers 31 are placed inside the supply pans 23 and 24, respectively.
  • Top parts of the supply pans 23 and 24 are formed to cover the application rollers 31, respectively, and have such shapes as to reduce evaporation of the treatment liquid 22 inside the supply pans 23 and 24, and degradation in the treatment liquid 22 due to being exposed to air.
  • a treatment liquid application operation is carried out as follows. As shown in FIG. 2 (that will be described later), a web W (to-be-recorded-on medium) is made to pass through the nip area between the application roller 31 and the pressurization roller 33 (included in a front-side application part 13f, described later) in the front-side application supply pan 23, and then, is made to pass through the nip area between the application roller 31 and the pressurization roller 33 (included in a back-side application part 13r, described later) in the back-side application supply pan 24.
  • the treatment liquid 22 stored in the respective supply pans 23 and 24 is applied to respective sides of the web W, as will be described later using FIG. 2 .
  • the reserve tank 21 which has higher airtightness than the supply pans 23 and 24. Then, by opening the electromagnetic valves 30 and 34 on the removing and circulating lines "c" and “d" that connect the supply pans 23 and 24 with the reserve tank 21, respectively, it is possible to remove the treatment liquid 22 inside the supply pans 23 and 24 to the reserve tank 21 using the respective water head differences between the supply pans 23 and 24 and the reserve tank 21.
  • a time to carry out the treatment liquid removing operation of thus removing the treatment liquid 22 inside the supply pans 23 and 24 to the reserve tank 21 is determined as follows. That is, the treatment liquid removing operation is carried out when the power supply has been turned off in the treatment liquid application apparatus. Alternatively, the treatment liquid removing operation is carried out during a time during which, even during the power being supplied in the treatment liquid application apparatus, a treatment liquid application operation is stopped for a longer time than a regular time interval between jobs such as a time of replacing the web W, a time of changing the printing pattern, or the like.
  • the treatment liquid removing operation is prevented during a time interval between jobs so as to avoid, to the utmost, a waiting time for supplying the treatment liquid 22 to the supply pans 23 and 24 at a time of starting a job after carrying out the treatment liquid removing operation.
  • the treatment liquid application apparatus starts a treatment liquid application operation to apply the treatment liquid 22 to the web W. Then, during the treatment liquid application operation, at certain time intervals, the electromagnetic valves 35 and 40 on the removing and circulating lines "c" and “d” are opened and, the electromagnetic valve 39 is closed, whereby the retuning line “e” is opened that connects the pump 25 with the filter chamber 41. Then, the pump 25 is driven for a certain time period, and thereby, a circulation operation is carried out. In the circulation operation, the pump 25 forcibly supplies the treatment liquid 22 from the supply pans 23 and 24 to the tubes of the removing and circulating lines "c" and "d".
  • the treatment liquid 22 is supplied to the removing and circulating lines "c" and “d” as a result of the pump 25 being driven.
  • the tubes of the removing and circulating lines "c” and “d” have entered a state of being filled with the treatment liquid 22.
  • FIG. 10 is a control flowchart showing an operation sequence of the treatment liquid application apparatus described above using FIG. 9 .
  • step S21 it is determined whether the supply pans 23 and 24 are to be filled with the treatment liquid 22.
  • the operation of filling the supply pans 23 and 24 with the treatment liquid 22 is carried out at a time of the power supply having been turned on in the treatment liquid application apparatus, or at a time of starting a treatment liquid application operation after removing the treatment liquid 22 that the supply pans 23 and 24 have been filled with to the reserve tank 21.
  • the front-side application supply pan 23 and the back-side application supply pan 24 are filled with the treatment liquid 22 supplied from the reserve tank 21 or the cartridge 26, in step S22. That is, the treatment liquid 22 in the reserve tank 21 is used to fill the supply pans 23 and 24 in a case where the treatment liquid 22 is present in the reserve tank 21. However, in a case where the treatment liquid 22 is not present in the reserve tank 21, the treatment liquid 22 in the cartridge 26 is used to fill the supply pans 23 and 24.
  • step S22 After step S22, according to printing information input from the host apparatus, it is determined whether a treatment liquid application operation of applying the treatment liquid 22 to the web W is to be carried out, in step S23.
  • step S23 When the determination result in step S23 is YES, the process proceeds to step S24.
  • step S24 a treatment liquid application operation of applying the treatment liquid 22 to the web W is carried out through the front-side application part 13f and the back-side application part 13r as mentioned above.
  • the treatment liquid application apparatus reads the output values of low-level liquid level sensors installed inside the front-side application supply pan 23 and the back-side application supply pan 24. Then, in a case where it has been determined based on the thus read output values of the low-level liquid level sensors that it is necessary to supply the treatment liquid 22 to the supply pans 23 and 24, the treatment liquid 22 is supplied to the supply pans 23 and 24 from the reserve tank 21 or the cartridge 26. After the treatment liquid application operation has been thus finished, the process returns to step S23.
  • step S23 When the determination result in step S23 is NO, the process proceeds to step S25.
  • step S25 it is determined whether the treatment liquid 22 in the supply pans 23 and 24 is to be removed to the reserve tank 21. Normally, the treatment liquid removing operation is carried out in a case where a period of time on the order of one selected from a range between 30 minutes and 2 hours has elapsed continuously without carrying out a treatment liquid application operation.
  • step S25 When the determination result in step S25 is YES, the process proceeds to step S26.
  • step S25 When the determination result in step S25 is NO, the process returns to step S23.
  • step S26 the electromagnetic valves 30 and 34 are opened, and the treatment liquid 22 is removed from the front-side application supply pan 23 and the back-side application supply pan 24 to the reserve tank 21 through the electromagnetic valves 30 and 34.
  • FIG. 1 is a general configuration diagram showing a flow of operation in an image forming system according to the embodiments.
  • a web W that is a long continuous sheet of paper (to-be-recorded-on medium) paid out from a paper supply apparatus 100 is first supplied to a treatment liquid application apparatus 101, in which a treatment liquid 22 is applied to both sides of the web W, and thus, a pretreatment is carried out.
  • the web W thus processed is supplied to a first ink-jet printer 102a, in which a desired image is formed on the front side of the web W as a result of ink droplets being discharged onto the front side of the web W.
  • the web W is turned upside down by an inverting apparatus 103, and then, the web W is supplied to a second ink-jet printer 102b, in which a desired image is formed on the back side of the web W as a result of ink droplets being discharged onto the back side of the web W.
  • the web W is supplied to a subsequent-treatment apparatus (not shown), in which a predetermined subsequent treatment is carried out on the web W.
  • FIG. 2 shows a general configuration diagram of the treatment liquid application apparatus 101 used in the image forming system shown in FIG. 1 , and shows a state of applying the treatment liquid 22 to the web W.
  • a plurality of guide rollers 1 that have bearings (not shown) at both their ends and are freely rotatable are provided, and thereby, a path through which the web W is conveyed is provided.
  • a Feed-In (FI) roller 2 is provided which is rotated by a driving source such as a motor (not shown), and the pulling force of a spring (not show) causes a FI nip roller 4 to be pressed onto the FI roller 2.
  • a driving source such as a motor (not shown)
  • a spring not show
  • the web W is elastically sandwiched by the FI roller 2 and the FI nip roller 4, and, as a result of the FI roller 2 being rotated by the driving source, the treatment liquid application apparatus 101 can pull the web W inside from the paper supply apparatus 100.
  • the web W thus supplied by the FI roller 2 and the FI nip roller 4 to the inside of the treatment liquid application apparatus 101 is somewhat slackened, and thus, as shown in FIG. 2 , an air loop AL is formed by the thus slackened part of the web W.
  • the web W that has passed through the air loop AL then passes through between two passing shafts 5 and between two edge guides 6.
  • the two passing shafts 5 are placed to extend in a direction perpendicular to the drawing of FIG. 2 .
  • the web W passes through between the passing shafts 5 in sequence to follow an "S"-shaped path.
  • the pair of edge guides 6 having plate-like shapes are supported by the passing shafts 5.
  • the distance between the edge guides 6 is set to be the same as the width of the web W.
  • the edge guides 6 are attached to the passing shafts by attaching devices such as screws, for example, and the positions of the edge guides 6 are adjustable according to the width of the web W actually used.
  • Tension is exerted on the web W that has passed through between the passing shafts 5 and edge guides 6, by a tension shaft 7 that is fixed, for the purpose of achieving stable running of the web W.
  • the web W that has been thus pressed by the tension shaft 7 then passes through between an in-feed roller 8 driven and rotated by a driving source such as a motor (not shown) and a feed-nip roller 9.
  • a driving source such as a motor (not shown)
  • a feed-nip roller 9 is placed along the axial direction of the in-feed roller 8, and the respective feed-nip rollers 9 are pressed to the in-feed roller 8 by springs (not shown).
  • the web W that has passed through between the in-feed roller 8 and the feed-nip rollers 9 is led to a first dancing unit 17.
  • the first dancing unit 17 includes a rotatable dancing roller 11 and a first movable frame 12. The first dancing unit 17 is suspended by the web W, as shown in FIG. 2 .
  • the first dancing unit 17 is movable along the gravity direction A. Further, a first dancing unit detection part is provided (not shown) that detects the position of the first dancing unit 17. The driving source of the in-feed roller 8 is controlled according to the output of the first dancing unit detection part, and thus, the position of the first dancing 17 unit can be adjusted.
  • the web W that has passed through the first dancing unit 17 passes through the above-mentioned front-side application part 13f for applying the treatment liquid 22 on the front side of the web W and the above-mentioned back-side application part 13r for applying the treatment liquid 22 on the back side of the web W, in sequence.
  • the treatment liquid 22 is applied to both sides of the web W.
  • the web W that has passed through the back-side application part 13r passes through between an out-feed roller 14 driven and rotated by a driving source such as a motor (not shown) and another feed-nip roller 9.
  • a driving source such as a motor (not shown)
  • another feed-nip roller 9 is placed along the axial direction of the out-feed roller 14, and the respective feed-nip rollers 9 are pressed to the out-feed roller 14 by springs (not shown).
  • the web W that has passed through the out-feed roller 14 and the feed-nip rollers 9 is then wound on rotatable second dancing rollers 15a and 15b and a guide roller 1 placed between the second dancing rollers 15a and 15b so that the web W follows a path shaped like "W" as shown in FIG. 2 .
  • the two dancing rollers 15a and 15b are rotatably mounted on a second movable frame 16 by bearings (not shown) at both ends of the rollers 15a and 15b, and are included in a second dancing unit 18 together with the second movable frame 16. Also the second dancing unit 18 is suspended by the web W, as shown in FIG. 2 .
  • the second dancing unit 18 is movable along the gravity direction A.
  • a second dancing unit detection part is provided (not shown) that detects the position of the second dancing unit 18.
  • the driving source of the out-feed roller 14 is controlled according to the output of the second dancing unit detection part, and thus, the position of the second dancing unit 18 can be adjusted.
  • a liquid obtained from dissolving or dispersing a water-soluble agglomerating agent that has a function of agglomerating or insolubilizing a water-soluble color material in water or an organic solvent is used.
  • FIG. 3 is a schematic diagram showing lines for removing, circulating and supplying the treatment liquid 22.
  • the circulation system shown in FIG. 3 includes, as shown, a front-side application supply pan 23, a back-side application supply pan 24, a treatment liquid cartridge 26 for supplying the treatment liquid 22 to the supply pans 23 and 24, a pump 25 for feeding the treatment liquid 22 to the supply pans 23 and 24, a supply line "h" extending from the cartridge 26 to the pump 25, a front-side application supply line "a” extending from the pump 25 to the front-side application supply pan 23, a back-side application supply line “b” extending from the pump 25 to the back-side application supply pan 24, an electromagnetic valve 27 for opening and closing the supply line "a” and an electromagnetic valve 28 for opening and closing the supply line "b".
  • This system further includes a reserve tank 21 for temporarily storing the treatment liquid 22, a filter chamber 41 including a filter 32 inside for removing foreign matter contained in the treatment liquid 22, a front-side application removing and circulating line "c" connected from the front-side application supply pan 23 to the reserve tank 21 and the filter chamber 41, an electromagnetic valve 30 for opening and closing a removing line at the side of the reserve tank 21 on the front-side application removing and circulating line "c", an electromagnetic valve 35 for opening and closing a circulating line at the side of the filter chamber 41 on the front-side application removing and circulating line "c", a back-side application removing and circulating line "d” connected from the back-side application supply pan 24 to the reserve tank 21 and the filter chamber 41, an electromagnetic valve 34 for opening and closing a removing line at the side of the reserve tank 21 on the back-side application removing and circulating line "d”, an electromagnetic valve 40 for opening and closing a circulating line at the side of the filter chamber 41 on the back-side application removing and circulating line "d
  • An electromagnetic valve 39 that is a three-way valve is installed at a point at which the supply line "h” and the returning line “e” are connected. As a result of the electromagnetic valve 39 being opened, the supply line “h” connecting the pump 25 and the cartridge 26 is opened. As a result of the electromagnetic valve 39 being closed, the returning line “e” connecting the pump 25 and the filter chamber 41 is opened.
  • This system further includes a waste liquid tank 36 for disposing of the treatment liquid 22, a waste liquid line “f” extending from the reserve tank 21 to the waste liquid tank 36, and an electromagnetic valve 37 for opening and closing the waste liquid line "f".
  • Top parts of the supply pans 23 and 24 are formed to cover the application rollers 31, respectively, and have shapes such as to reduce evaporation of the treatment liquid 22 inside the supply pans 23 and 24 and degradation in the treatment liquid 22 due to being exposed to air.
  • a treatment liquid application operation is carried out as follows. As shown in FIG. 2 (described above), the web W (to-be-recorded-on medium) is made to pass through the nip area between the application roller 31 and the pressurization roller 33 (included in the front-side application part 13f, described above) in the front-side application supply pan 23, and then, is made to pass through the nip area between the application roller 31 and the pressurization roller 33 (included in the back-side application part 13r, described above) in the back-side application supply pan 24.
  • the treatment liquid 22 stored in the respective supply pans 23 and 24 is applied to respective sides of the web W, as mentioned above using FIG. 2 .
  • the reserve tank 21 which has higher airtightness than the supply pans 23 and 24. Then, by opening the electromagnetic valves 30 and 34 on the removing and circulating lines "c" and “d" that connect the supply pans 23 and 24 with the reserve tank 21, respectively, it is possible to remove the treatment liquid 22 inside the supply pans 23 and 24 to the reserve tank 21 using the respective water head differences between the supply pans 23 and 24 and the reserve tank 21.
  • a time to carry out the treatment liquid removing operation of thus moving the treatment liquid 22 inside the supply pans 23 and 24 to the reserve tank 21 is determined as follows. That is, the treatment liquid removing operation is carried out when the power supply has been turned off in the treatment liquid application apparatus. Alternatively, the treatment liquid removing operation is carried out during a time in which, even when the power is being supplied in the treatment liquid application apparatus, a treatment liquid application operation is stopped for a longer time than a regular time interval between jobs such as a time of replacing the web W, a time of changing the printing pattern, or the like.
  • the treatment liquid removing operation is prevented during a time interval between jobs so as to avoid, to the utmost, a waiting time for supplying the treatment liquid 22 to the supply pans 23 and 24 at a time of starting a job after carrying out the treatment liquid removing operation.
  • low-level liquid level sensors 42 and high-level liquid level sensors 43 for detecting the liquid levels of the treatment liquid 22 are installed on side surfaces of the supply pans 23 and 24, respectively.
  • the low-level liquid level sensors 42 are sensors to be used to determine whether to carry out supplying the treatment liquid 22 to the supply pans 23 and 24 in a case where the treatment liquid 22 has been reduced in the supply pans 23 and 24 during a treatment liquid application operation.
  • the high-level sensors 43 are sensors to be used to determine whether to terminate supplying the treatment liquid 22 to the supply pans 23 and 24.
  • a treatment liquid application operation of applying the treatment liquid 22 to the web W by the front-side application part 13f and the back-side application part 13r are started.
  • the electromagnetic valves 35 and 40 on the removing and circulating lines "c" and “d” are opened and, the electromagnetic valve 39 is closed, whereby the retuning line “e” is opened which connects the pump 25 with the filter 32.
  • the pump 25 is driven for a certain time period, and thereby, a circulation operation is carried out.
  • the pump 25 forcibly supplies the treatment liquid 22 from the supply pans 23 and 24 to the tubes of the removing and circulating lines "c” and "d". After that, foreign matter is removed from the treatment liquid 22 as a result of the treatment liquid 22 passing through the filter 32.
  • the treatment liquid 22 is returned to the supply pans 23 and 24 through the returning line "e” and the supply lines "a” and "b".
  • a pump 38 is installed on a liquid supply line "g" connected with the filter chamber 41, in the system of FIG. 3 .
  • the pump 38 is used to forcibly supply the treatment liquid 22 to raise the liquid level of the treatment liquid 22 in the filter chamber 41 to a prescribed value in a case where the liquid level of the treatment liquid 22 in the filter chamber 41 has lowered to a level lower than the prescribed value.
  • the liquid level of the treatment liquid 22 in the filter chamber 41 is lower than the prescribed value, it is not possible to smoothly pull the treatment liquid 22 from the supply pans 23 and 24 to the filter chamber 41, and thus, the circulation operation of the treatment liquid 22 cannot be smoothly carried out.
  • FIG. 4 is a block diagram showing connections between a control part 44 and respective members associated therewith in the treatment liquid application apparatus according to the first embodiment.
  • control part 44 includes a memory 45 that stores information such as filling finish information described later, a timer 46 to be used to measure a period of time T1 and a period of time T2 (described later), and so forth.
  • the detection signals from the low-level liquid level sensors 42, the high-level liquid level sensors 43, (liquid detection sensors 47 according to the second embodiment described later) and so forth, the application mode information 48 and the printing information 49 are input to the control part 44.
  • control signals are output from the control part 44 to the pump 25 and the electromagnetic valves 27, 28, 30, 34, 35, 39, 40 and 19, respectively.
  • FIG. 5 is a control flowchart showing an operation sequence of the treatment liquid application apparatus according to the first embodiment.
  • step S1 it is determined whether to supply the treatment liquid 22 to the supply pans 23 and 24.
  • the operation of supplying the treatment liquid 22 is carried out at a time of the power supply having been turned on in the treatment liquid application apparatus, or at a time of starting a treatment liquid application operation after removing the treatment liquid 22 that the supply pans 23 and 24 have been filled with to the reserve tank 21.
  • step S1 When the determination result of step S1 is YES, the process proceeds to step S2.
  • step S1 When the determination result of step S1 is NO, the process returns to step S1.
  • step S2 supplying the treatment liquid 22 from the reserve tank 21 or the cartridge 26 to the front-side application supply pan 23 and the back-side application supply pan 24 is started. That is, the treatment liquid 22 in the reserve tank 21 is used to supply the supply pans 23 and 24 in a case where the treatment liquid 22 is present in the reserve tank 21. However, in a case where the treatment liquid 22 is not present in the reserve tank 21, the treatment liquid 22 in the cartridge 26 is used to supply the supply pans 23 and 24 (see FIG. 6A ).
  • step S3 it is determined whether the removing and circulating lines "c" and “d” have been filled with the treatment liquid 22. That is, it is determined, from the information stored in the memory 45 (see FIG. 4 ), whether filling the removing and circulating lines "c" and “d” with the treatment liquid 22 has been carried out.
  • step S3 NO no information has been stored in the memory 45 indicating that filling the removing and circulating lines "c” and “d” with the treatment liquid 22 has been carried out
  • step S3 YES information has been stored in the memory 45 indicating that filling the removing and circulating lines "c" and “d” with the treatment liquid 22 has been carried out.
  • step S4 it is determined whether a time to supply the treatment liquid 22 to the removing and circulating lines "c" and “d” has come.
  • the time to supply the treatment liquid 22 to the removing and circulating lines "c" and “d” is a time when a period of time T1 has elapsed since supplying the treatment liquid 22 to the supply pans 23 and 24 was started in step S2.
  • the period of time T1 is preferably a period of time during which such an amount of the treatment liquid 22 as to fill the removing and circulating lines "c" and "d” has been supplied to the front-side application supply pan 23 and the back-side application supply pan 24.
  • step S4 When the determination result in step S4 is YES, the process proceeds to step S5.
  • step S4 When the determination result in step S4 is NO, the process returns to step S2.
  • step S5 supplying the treatment liquid 22 to the removing and circulating lines "c" and “d” is carried out. Flows of the treatment liquid 22 during the process of supplying the treatment liquid 22 to the removing and circulating lines "c" and “d” will be described later using FIGs. 6A and 6B .
  • step S5 the process returns to step S2.
  • step S6 it is determined whether filling the front-side application supply pan 23 and the back-side application supply pan 24 with the treatment liquid 22 has been finished. This determination is carried out based on the signals from the high-level liquid level sensors 43 (see FIG. 3 ).
  • step S6 When the determination result of step S6 is YES, the process proceeds to step S7.
  • step S6 When the determination result of step S6 is NO, the process returns to step S2.
  • step S7 according to the printing information 49 (see FIG. 4 ) sent from the host apparatus, it is determined whether a treatment liquid application operation of applying the treatment liquid 22 to the web W is to be carried out.
  • step S7 When the determination result of step S7 is YES, the process proceeds to step S8.
  • step S7 When the determination result of step S7 is NO, the process proceeds to step S9.
  • step S8 a treatment liquid application operation of applying the treatment liquid 22 to the web W (see FIG. 2 ) is carried out through the front-side application part 13f and the back-side application part 13r as mentioned above.
  • the treatment liquid application apparatus reads the output values of low-level liquid level sensors 42 installed to the front-side application supply pan 23 and the back-side application supply pan 24. Then, based on the read output values of low-level liquid level sensors 42, in a case where it has been determined that it is necessary to supply the treatment liquid 22 to the supply pans 23 and 24, the treatment liquid 22 is supplied to the supply pans 23 and 24 from the reserve tank 21 or the cartridge 26.
  • step S9 it is determined whether the treatment liquid 22 in the supply pans 23 and 24 is to be moved to the reserve tank 21. Normally, this treatment liquid removing operation is carried out in a case where a period of time on the order of one selected from a range between 30 minutes and 2 hours has elapsed continuously without carrying out a treatment liquid application operation.
  • step S9 determines whether the determination result in step S9 is YES. If the determination result in step S9 is YES, the process proceeds to step S10.
  • step S9 When the determination result in step S9 is NO, the process returns to step S7.
  • step S10 the electromagnetic valves 30 and 34 are opened, and thereby, the treatment liquid 22 is moved from the front-side application supply pan 23 and the back-side application supply pan 24 to the reserve tank 21.
  • FIGs. 6A and 6B illustrate flows of the treatment liquid 22 in a process of filling the removing and circulating lines "c" and "d".
  • FIG. 6A shows a state of supplying the treatment liquid 22 to the supply pans 23 and 24 (step S2).
  • FIG. 6B shows a state of removing and circulating the treatment liquid 22.
  • step S2 for example, during the operation of supplying the treatment liquid 22 to the supply pans 23 and 24 from the cartridge 26 (step S2), the electromagnetic valves 35, 40, 30 and 34 are closed, and the electromagnetic valve 39 that is the three-way valve is opened. Thereby, the supply line “h” connecting the pump 25 and the cartridge 26 is opened. Further, the pump 25 is driven. As a result, the treatment liquid 22 is supplied from the cartridge 26 to the supply pans 23 and 24 through the supply line "h" and the supply lines "a” and "b".
  • the electromagnetic valve 39 is closed to open the returning line “e” connecting the reserve tank 21 and the pump 25.
  • an electromagnetic valve 19 is opened to open a supply line "k” connecting the reserve tank 21 to the filter chamber 41, and the pump 25 is driven.
  • the treatment liquid 22 is supplied from the reserve tank 21 to the supply pans 23 and 24 through the supply line "k", the filter chamber 41, the returning line "e", and the supply lines "a” and "b".
  • step S5 The process of filling the removing and circulating lines "c" and “d” (step S5) is carried out as follows. That is, as shown in FIG. 6B , the electromagnetic valves 35 and 40 on the removing and circulating lines "c” and “d” are opened, and the electromagnetic valve 39 that is the three-way valve is closed. Thereby, the retuning line “e” connecting the pump 25 and the filter chamber 41 is opened. Further, the pump 25 is driven for the certain time T2.
  • the above-mentioned driving time T2 of thus driving the pump 25 may be one required to fill the removing and circulating lines "c" and "d” with the treatment liquid 22 as a result of the pump 25 being driven.
  • an operator can select a side of the web W to which the treatment liquid 22 is applied depending on a job.
  • the information indicating the operator's selection is transmitted, as the application mode information 48, to the treatment liquid application apparatus from the host apparatus or the ink-jet printer.
  • the application mode information 48 In a mode of applying the treatment liquid 22 only to the front side of the web W according to the application mode information 48, only the electromagnetic valve 35 is opened, and thus, only the tube of the removing and circulating line "c" connected to the front-side application supply pan 23 is filled with the treatment liquid 22.
  • the filling finish information indicating that filing the removing and circulating line(s) has been finished is stored in the memory 45.
  • switching from the state shown in FIG. 6A to the state shown in FIG. 6B is carried out when the low-level liquid level sensors 42 in the supply pans 23 and 24 have output the detection signals, or at a time when the above-mentioned time T1 has elapsed since the process of supplying the treatment liquid 22 to the supply pans 23 and 24 was started.
  • Switching from the state shown in FIG. 6B to the state shown in FIG. 6A is carried out when the above-mentioned time T2 has elapsed since the process of supplying the treatment liquid 22 to the removing and circulating lines "c" and "d" was started.
  • step S5 the process of filling the removing and circulating lines "c” and “d” is carried out in step S5 or step S5 is skipped when the removing and circulating lines "c” and “d” have been already filled with the treatment liquid 22 (step S3 YES). Therefore, during the process of filling the removing and circulating lines "c” and “d", the removing and circulating lines "c” and “d” are filled with the treatment liquid 22. In other words, no air is present in the removing and circulating lines "c” and "d”. As a result, when the treatment liquid removing operation is carried out in step S10, the treatment liquid in the supply pans 23 and 24 smoothly flow down to the reserve tank 21 by the function of the water head differences. Thus, it is possible to carry out the treatment liquid removing operation rapidly.
  • FIG. 7 is a schematic diagram showing lines for removing, circulating and supplying the treatment liquid 22 according to the second embodiment.
  • the circulation system shown in FIG. 7 is different from the circulation system according to the first embodiment shown in FIG. 3 in that the above-mentioned liquid detection sensors 47 are provided inside the removing and circulating lines "c" and “d", respectively, in the second embodiment.
  • the second embodiment at a time of the power supply having been turned on in the treatment liquid application apparatus, first, the output values of the liquid detection sensors 47 are read. Then, only in a case where, based on the read output values of the liquid detection sensors 47, it has been detected that there is no treatment liquid 22 in the removing and circulating lines "c” and “d", supplying the treatment liquid 22 to the removing and circulating line(s) "c" and/or "d” is carried out.
  • Each of the liquid detection sensors 47 is such that two electrode pins are inserted into the tube, electric conduction between the electrode pins is detected when the tube has been filled with the treatment liquid 22, and thus, it is detected that there is the treatment liquid 22 in the tube.
  • the detection signals from the liquid detection sensors 47 are input to the control part 44 in the treatment liquid application apparatus, as mentioned above.
  • FIG. 8 is a control flowchart showing an operation sequence of the treatment liquid application apparatus according to the second embodiment.
  • step S11 it is determined whether the treatment liquid 22 is to be supplied to the supply pans 23 and 24.
  • the operation of supplying the treatment liquid 22 to the treatment liquid 22 is carried out at a time of the power supply having been turned on in the treatment liquid application apparatus, or at a time of starting a treatment liquid application operation after moving the treatment liquid 22 that the supply pans 23 and 24 have been filled with to the reserve tank 21.
  • step S11 When the determination result of step S11 is YES, the process proceeds to step S12.
  • step S11 When the determination result of step S11 is NO, the process returns to step S11.
  • step S12 supplying the treatment liquid 22 to the front-side application supply pan 23 and the back-side application supply pan 24 is started from the reserve tank 21 or the cartridge 26. That is, the treatment liquid 22 in the reserve tank 21 is used to supply the supply pans 23 and 24 in a case where the treatment liquid 22 is present in the reserve tank 21. However, in a case where the treatment liquid 22 is not present in the reserve tank 21, the treatment liquid 22 in the cartridge 26 is used to supply the supply pans 23 and 24.
  • step S13 the output values of the liquid detection sensors 47 installed in the removing and circulating lines "c” and “d” are read, and it is determined whether to supply the treatment liquid 22 to the removing and circulating lines "c" and “d".
  • Supplying the treatment liquid 22 to the removing and circulating lines "c” and “d” is carried out only in a case where the output values of both the liquid detection sensors 47 indicate that there is no treatment liquid 22. Thereby, it is not necessary to repeat supplying the treatment liquid 22 to the removing and circulating lines "c” and “d” each time when the power supply has been turned on in the treatment liquid application apparatus.
  • Supplying the treatment liquid 22 to the removing and circulating lines "c” and “d” is carried out only when it is actually required. Thus, it is possible to avoid an unnecessary increase in the supplying period of time of supplying the treatment liquid 22 to the supply pans 23 and 24.
  • step S13 When the determination result in step S13 is YES, the process proceeds to step S16.
  • step S13 When the determination result in step S13 is NO, the process proceeds to step S14.
  • step S14 it is determined whether a time to supply the treatment liquid 22 to the removing and circulating lines "c" and “d” has come.
  • the time to supply the treatment liquid 22 to the removing and circulating lines "c" and “d” is a time when a period of time T1 has elapsed since supplying the treatment liquid 22 to the supply pans 23 and 24 was started in step S12.
  • the period of time T1 is preferably a period of time during which such an amount of the treatment liquid 22 as to fill the removing and circulating lines "c" and "d” has been supplied to the front-side application supply pan 23 and the back-side application supply pan 24.
  • step S14 When the determination result in step S14 is YES, the process proceeds to step S15.
  • step S14 When the determination result in step S14 is NO, the process returns to step S12.
  • step S15 supplying the treatment liquid 22 to the removing and circulating lines "c" and “d” is carried out.
  • Flows of the treatment liquid 22 during the process of supplying the treatment liquid 22 to the removing and circulating lines "c" and “d” are the same as those described above using FIGs. 6A and 6B .
  • step S15 the process returns to step S12.
  • step S16 it is determined whether filling the front-side application supply pan 23 and the back-side application supply pan 24 with the treatment liquid 22 has been finished. This determination is carried out based on the signals from the high-level liquid level sensors 43.
  • step S16 When the determination result of step S16 is YES, the process proceeds to step S17.
  • step S16 When the determination result of step S16 is NO, the process returns to step S12.
  • step S17 according to the printing information 49 sent from the host apparatus, it is determined whether a treatment liquid application operation of applying the treatment liquid 22 to the web W is to be carried out.
  • step S17 When the determination result of step S17 is YES, the process proceeds to step S18.
  • step S17 When the determination result of step S17 is NO, the process proceeds to step S19.
  • step S18 a treatment liquid application operation of applying the treatment liquid 22 to the web W is carried out through the front-side application part 13f and the back-side application part 13r as mentioned above.
  • the treatment liquid application apparatus reads the output values of low-level liquid level sensors 42 installed to the front-side application supply pan 23 and the back-side application supply pan 24. Then, based on the read output values of low-level liquid level sensors 42, in a case where it has been determined that it is necessary to supply the treatment liquid 22 to the supply pans 23 and 24, the treatment liquid 22 is supplied to the supply pans 23 and 24 from the reserve tank 21 or the cartridge 26.
  • step S19 it is determined whether the treatment liquid 22 in the supply pans 23 and 24 is to be removed to the reserve tank 21. Normally, this treatment liquid removing operation is carried out in a case where a period of time on the order of one selected from a range between 30 minutes and 2 hours has elapsed continuously without carrying out a treatment liquid application operation.
  • step S19 When the determination result in step S19 is YES, the process proceeds to step S20.
  • step S19 When the determination result in step S19 is NO, the process returns to step S 17.
  • step S20 the electromagnetic valves 30 and 34 are opened, and thereby, the treatment liquid 22 is removed from the front-side application supply pan 23 and the back-side application supply pan 24 to the reserve tank 21.
  • step S15 the process of filling the removing and circulating lines "c” and “d” is carried out in step S15 or step S15 is skipped when the removing and circulating lines "c” and “d” have been already filled with the treatment liquid 22 (step S13 YES). Therefore, the removing and circulating lines "c” and “d” are filled with the treatment liquid 22. In other words, no air is present in the removing and circulating lines "c” and "d”.
  • step S20 the treatment liquid in the supply pans 23 and 24 smoothly flows down to the reserve tank 21 by the function of the water head differences. Thus, it is possible to carry out the treatment liquid removing operation rapidly.

Landscapes

  • Ink Jet (AREA)

Claims (7)

  1. Behandlungsflüssigkeitsaufbringvorrichtung, die umfasst:
    einen Vorderseitenaufbringungsversorgungstopf (23), der konfiguriert ist, eine auf eine Vorderseite eines Mediums, auf das aufzuzeichnen ist, anzuwendende Behandlungsflüssigkeit (22) zu speichern;
    einen Rückseitenaufbringungsversorgungstopf (24), der konfiguriert ist, die auf eine Rückseite des Mediums, auf das aufzuzeichnen ist, anzuwendende Behandlungsflüssigkeit zu speichern;
    eine Behandlungsflüssigkeitspatrone (26), die konfiguriert ist, die Behandlungsflüssigkeit zu speichern;
    eine Versorgungsleitung (h), die konfiguriert ist, die in der Behandlungsflüssigkeitspatrone gespeicherte Behandlungsflüssigkeit jeweils an den Vorderseitenaufbringungsversorgungstopf und den Rückseitenaufbringungsversorgungstopf zu liefern;
    einen Reservetank (21), der eine höhere Luftundurchlässigkeit aufweist als der Vorderseitenaufbringungsversorgungstopf und der Rückseitenaufbringungsversorgungstopf;
    eine Filterkammer (41), die einen Filter (32) enthält, um in der Behandlungsflüssigkeit enthaltene fremde Materie durch eine Zirkulation während eines Aufbringens der Behandlungsflüssigkeit auf das Medium, auf das aufzuzeichnen ist, zu entfernen;
    eine Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung (c), die konfiguriert ist, den Vorderseitenaufbringungsversorgungstopf mit dem Reservetank und der Filterkammer zu verbinden;
    eine Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung (d), die konfiguriert ist, den Rückseitenaufbringungsversorgungstopf mit dem Reservetank und der Filterkammer zu verbinden;
    eine Rückführleitung (e), die von der Filterkammer zu der Versorgungsleitung in Reihe angeschlossen ist und konfiguriert ist, die Behandlungsflüssigkeit, von der fremde Materie durch das Filter entfernt wurde, zu dem Vorderseitenaufbringungsversorgungstopf und dem Rückseitenaufbringungsversorgungstopf zurückzuführen;
    einen Flüssigkeitsstromerzeugungsteil (25), der konfiguriert ist, Ströme der Behandlungsflüssigkeit in der Versorgungsleitung, der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung, der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung und der Rückführleitung zu erzeugen; und
    mehrere Ventile, die auf der Versorgungsleitung, der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung, der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung und der Rückführleitung eingebaut sind, um unter ihnen eine Leitung, durch die die Behandlungsflüssigkeit fließt, zu wechseln; und
    einen Steuerteil (44), der konfiguriert ist, den Flüssigkeitsstromerzeugungsteil und die Ventile zu steuern, um die Behandlungsflüssigkeit an mindestens eine der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung und der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung in einem Prozess des Lieferns der Behandlungsflüssigkeit an den Vorderseitenaufbringungsversorgungstopf und den Rückseitenaufbringungsversorgungstopf zu einer Zeit, zu der die Stromversorgung in der Behandlungsflüssigkeitsaufbringvorrichtung eingeschaltet wird, zu liefern.
  2. Behandlungsflüssigkeitsaufbringvorrichtung nach Anspruch 1, die ferner umfasst:
    jeweilige Flüssigkeitsdetektionssensoren (47), die in der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung (c) und der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung (d) zum Detektieren, ob darin die Behandlungsflüssigkeit (22) ist, vorgesehen sind, wobei
    der Steuerteil konfiguriert ist, die Behandlungsflüssigkeit an die Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung zu liefern, wenn der Flüssigkeitsdetektionssensor detektiert hat, dass es keine Behandlungsflüssigkeit in der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung gibt, und
    der Steuerteil konfiguriert ist, die Behandlungsflüssigkeit an die Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung zu liefern, wenn der Flüssigkeitsdetektionssensor detektiert hat, dass keine Behandlungsflüssigkeit in der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung vorhanden ist.
  3. Behandlungsflüssigkeitsaufbringvorrichtung nach Anspruch 1, wobei
    gemäß Anwendungsmodusinformationen, die in den Steuerteil eingegeben werden, die Behandlungsflüssigkeit (22) nur an eine der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung (c) und der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung (d) geliefert wird, die zu verwenden ist, um die Behandlungsflüssigkeit aufzubringen.
  4. Behandlungsflüssigkeitsaufbringvorrichtung nach Anspruch 1, wobei
    eine Tatsache, dass eine Menge der Behandlungsflüssigkeit (22), die größer als eine Kapazität der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung (c) oder gleich dieser ist, in dem Vorderseitenaufbringungsversorgungstopf (23) gespeichert wurde, einen Betrieb des Steuerteils auslöst, um die Behandlungsflüssigkeit an die Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung zu liefern, und
    eine Tatsache, dass eine Menge der Behandlungsflüssigkeit, die größer als eine Kapazität der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung (d) oder gleich dieser ist, in dem Rückseitenaufbringungsversorgungstopf (24) gespeichert wurde, einen Betrieb des Steuerteils auslöst, um die Behandlungsflüssigkeit an die Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung zu liefern.
  5. Behandlungsflüssigkeitsaufbringvorrichtung nach Anspruch 1, wobei
    ein Ablaufen einer Zeitdauer, die für das Beenden des Füllens der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung (c) mit der Behandlungsflüssigkeit (22) durch den Flüssigkeitsstromerzeugungsteil (25) benötigt wird, einen Betrieb des Steuerteils auslöst, einen Betrieb des Lieferns der Behandlungsflüssigkeit an die Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung zu beenden, und
    ein Ablaufen einer Zeitdauer, die für das Beenden des Füllens der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung (d) mit der Behandlungsflüssigkeit durch den Flüssigkeitsstromerzeugungsteil benötigt wird, einen Betrieb des Steuerteils auslöst, einen Betrieb des Lieferns der Behandlungsflüssigkeit an die Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung zu beenden.
  6. Bilderzeugungssystem, das umfasst:
    einen Tintenstrahldrucker; und
    die Behandlungsflüssigkeitsaufbringvorrichtung nach einem der Ansprüche 1-5, die auf einer vorgelagerten Seite des Tintenstrahldruckers in einer Richtung, in der das Medium, auf das aufzuzeichnen ist, befördert wird, vorgesehen ist.
  7. Verfahren zum Aufbringen einer Behandlungsflüssigkeit auf ein Medium, auf das aufzuzeichnen ist, unter Verwendung einer Behandlungsflüssigkeitsaufbringvorrichtung, wobei die Vorrichtung umfasst:
    einen Vorderseitenaufbringungsversorgungstopf (23), der konfiguriert ist, eine auf eine Vorderseite eines Mediums, auf das aufzuzeichnen ist, anzuwendende Behandlungsflüssigkeit (22) zu speichern;
    einen Rückseitenaufbringungsversorgungstopf (24), der konfiguriert ist, die auf eine Rückseite des Mediums, auf das aufzuzeichnen ist, anzuwendende Behandlungsflüssigkeit zu speichern;
    eine Behandlungsflüssigkeitspatrone (26), die konfiguriert ist, die Behandlungsflüssigkeit zu speichern;
    eine Versorgungsleitung (h), die konfiguriert ist, die in der Behandlungsflüssigkeitspatrone gespeicherte Behandlungsflüssigkeit jeweils an den Vorderseitenaufbringungsversorgungstopf und den Rückseitenaufbringungsversorgungstopf zu liefern;
    einen Reservetank (21), der eine höhere Luftundurchlässigkeit aufweist als der Vorderseitenaufbringungsversorgungstopf und der Rückseitenaufbringungsversorgungstopf;
    eine Filterkammer (41), die einen Filter (32) enthält, um in der Behandlungsflüssigkeit enthaltene fremde Materie durch eine Zirkulation während eines Aufbringens der Behandlungsflüssigkeit auf das Medium, auf das aufzuzeichnen ist, zu entfernen;
    eine Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung (c), die konfiguriert ist, den Vorderseitenaufbringungsversorgungstopf mit dem Reservetank und der Filterkammer zu verbinden;
    eine Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung (d), die konfiguriert ist, den Rückseitenaufbringungsversorgungstopf mit dem Reservetank und der Filterkammer zu verbinden;
    eine Rückführleitung (e), die von der Filterkammer zu der Versorgungsleitung in Reihe angeschlossen ist und konfiguriert ist, die Behandlungsflüssigkeit, von der fremde Materie durch das Filter entfernt wurde, zu dem Vorderseitenaufbringungsversorgungstopf und dem Rückseitenaufbringungsversorgungstopf zurückzuführen;
    einen Flüssigkeitsstromerzeugungsteil (25), der konfiguriert ist, Ströme der Behandlungsflüssigkeit in der Versorgungsleitung, der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung, der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung und der Rückführleitung zu erzeugen; und
    mehrere Ventile, die auf der Versorgungsleitung, der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung, der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung und der Rückführleitung eingebaut sind, um unter ihnen eine Leitung, durch die die Behandlungsflüssigkeit fließt, zu wechseln; und
    wobei das Verfahren umfasst:
    Liefern der Behandlungsflüssigkeit an mindestens eine der Vorderseitenaufbringungsentfernungs- und Vorderseitenaufbringungszirkulationsleitung und der Rückseitenaufbringungsentfernungs- und Rückseitenaufbringungszirkulationsleitung in einem Prozess des Lieferns der Behandlungsflüssigkeit an den Vorderseitenaufbringungsversorgungstopf und den Rückseitenaufbringungsversorgungstopf zu einer Zeit, zu der die Stromversorgung in der Behandlungsflüssigkeitsaufbringvorrichtung eingeschaltet wird.
EP13188360.5A 2012-11-16 2013-10-11 Vorrichtung zur Anwendung einer Behandlungsflüssigkeit und Bilderzeugungssystem damit Not-in-force EP2732974B1 (de)

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6331441B2 (ja) 2014-02-10 2018-05-30 株式会社リコー 液体供給装置及びこれを備える画像形成システム
JP2016000477A (ja) * 2014-06-11 2016-01-07 株式会社リコー 液体塗布装置、画像形成システム及び液体塗布装置の制御方法
US9636920B2 (en) * 2015-07-01 2017-05-02 Ricoh Company, Ltd. Liquid applying apparatus and method for maintaining liquid applying apparatus
US10137702B2 (en) 2016-07-01 2018-11-27 Ricoh Company, Ltd. Treatment liquid applicator and printer including same
JP6992432B2 (ja) 2017-11-17 2022-01-13 株式会社リコー 液体供給装置、液体供給方法、液体塗布装置および画像形成システム
CN107999326A (zh) * 2017-12-06 2018-05-08 常德金德新材料科技股份有限公司 一种粉体材料的分散系统
JP7047611B2 (ja) 2018-06-07 2022-04-05 株式会社リコー 液体出力装置、メンテナンス制御方法およびプログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5075128A (en) * 1989-08-11 1991-12-24 Web Printing Controls Co., Inc. Silicone applicator with overflow control
AU2143200A (en) * 1998-10-23 2000-05-15 Royse Manufacturing Co. Web coating material supply apparatus and method for a printing system
JP4669347B2 (ja) 2005-08-15 2011-04-13 キヤノン株式会社 液体塗布装置およびインクジェット記録装置
JP2007319798A (ja) * 2006-06-01 2007-12-13 Nikka Kk 印刷ウェブの表面処理装置および方法
JP2009189946A (ja) * 2008-02-14 2009-08-27 Seiko Epson Corp 浸漬処理装置
US20100154706A1 (en) * 2008-12-19 2010-06-24 Canon Kabushiki Kaisha Liquid applying apparatus
JP5761587B2 (ja) * 2010-04-15 2015-08-12 セイコーエプソン株式会社 インクジェット記録装置及びインクジェット記録方法
JP5464492B2 (ja) * 2010-06-16 2014-04-09 株式会社リコー 画像形成装置及び処理液付与装置
JP5794466B2 (ja) * 2011-04-13 2015-10-14 株式会社リコー 処理液付与装置及び画像形成装置

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