EP0327674A2 - Machine de développement photographique - Google Patents

Machine de développement photographique Download PDF

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Publication number
EP0327674A2
EP0327674A2 EP88116299A EP88116299A EP0327674A2 EP 0327674 A2 EP0327674 A2 EP 0327674A2 EP 88116299 A EP88116299 A EP 88116299A EP 88116299 A EP88116299 A EP 88116299A EP 0327674 A2 EP0327674 A2 EP 0327674A2
Authority
EP
European Patent Office
Prior art keywords
machine according
photographic
container
developing machine
photographic developing
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.)
Withdrawn
Application number
EP88116299A
Other languages
German (de)
English (en)
Other versions
EP0327674A3 (fr
Inventor
Klaus Kümmerl
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.)
Ing Hermann Kuemmerl Laborgeratebau Inh Ing Klaus Kuemmerl
ING HERMANN KUMMERL LABORGERATEBAU INH ING KLAUS KUMMERL
Original Assignee
Ing Hermann Kuemmerl Laborgeratebau Inh Ing Klaus Kuemmerl
ING HERMANN KUMMERL LABORGERATEBAU INH ING KLAUS KUMMERL
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 Ing Hermann Kuemmerl Laborgeratebau Inh Ing Klaus Kuemmerl, ING HERMANN KUMMERL LABORGERATEBAU INH ING KLAUS KUMMERL filed Critical Ing Hermann Kuemmerl Laborgeratebau Inh Ing Klaus Kuemmerl
Publication of EP0327674A2 publication Critical patent/EP0327674A2/fr
Publication of EP0327674A3 publication Critical patent/EP0327674A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D3/00—Liquid processing apparatus involving immersion; Washing apparatus involving immersion
    • G03D3/02—Details of liquid circulation
    • G03D3/06—Liquid supply; Liquid circulation outside tanks
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D3/00—Liquid processing apparatus involving immersion; Washing apparatus involving immersion
    • G03D3/08—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material
    • G03D3/13—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material for long films or prints in the shape of strips, e.g. fed by roller assembly
    • G03D3/132—Liquid processing apparatus involving immersion; Washing apparatus involving immersion having progressive mechanical movement of exposed material for long films or prints in the shape of strips, e.g. fed by roller assembly fed by roller assembly

Definitions

  • the invention relates to a photographic processing machine which is intended in particular for the development of format material and which has a plurality of containers arranged one behind the other in the direction of passage for receiving the photographic treatment liquids.
  • each container there is an interchangeable frame with flat guiding elements and transport rollers for the development material.
  • Machines of this type are generally known. They are preferably used in the professional field and can be used not only for the development of format material, but also for the development of roll goods and finally also for the development of special papers, transparencies and the like. be used. Since the color development in particular is usually carried out at elevated temperature, the machines also contain a thermostatically controlled heating device and a drying device for the developed images, which is connected downstream of the baths. The machines are therefore able to eject completely finished images.
  • the invention is based on the object of further improving the photographic processing machines known hitherto and in particular adapting them to the faster development processes now available.
  • the dimensions of the machine should not be increased significantly and a compact design should be achieved.
  • a photographic processing machine which is characterized by the following features: - A fold-up drying section arranged above the containers; - At least one feed roller pair with free-wheel drive; - Liquid circuits with heating elements in a partial flow and exchangeable flat filters; - A cover frame with an inward sloping roof.
  • This basic structure of the development machine allows a noticeable increase in compactness, which is due in particular to the arrangement of the drying section. At the same time, more space is obtained for the arrangement of the bath containers, but care is taken to ensure that these containers have the smallest possible horizontal overall length. The more compact design leads to a shortening of the throughput distance and thus also to a shortening of the throughput time.
  • the guide elements be coated on the surface with fluorinated polyethylene, preferably tetrafluoro-polyethylene.
  • the guide elements themselves can consist of metal, preferably stainless steel, or also of suitable plastic. The coating ensures that the photographic sheet material slides easily over the guide elements without adhering to them. This effect is particularly important when the guide elements are located outside the baths, ie where the sheet material has to be diverted from one tank to the next
  • the transport rollers are arranged in the frames in a plurality of levels one below the other, with at least two rollers which are assigned to one another and each forming a transport gap being located in each level. It is essential that the levels mentioned form an angle of 85 ° to 70 °, preferably 80 °, with the vertical axis of the bath container or the exchangeable frame. In this way it is achieved that the sheet material emerging from the transport nips is in each case directed slightly outwards and is thereby guided securely against the guide elements which are located between the transport roller planes.
  • the surface-shaped guide elements already mentioned should preferably be arranged in such a way that they come into contact with only one side of the development material, namely the insensitive rear side, during operation of the development machine.
  • two guide elements are usually arranged, which form a passage gap for the sheet material between them, but then there is an increased risk of scratching and, to a certain extent, the risk that the sheet material sticks to the guide elements and paper jams occur as a result.
  • the usual sequence of baths in color paper developing machines consists of the developer bath, the bleach-fix bath and one, possibly also two, final rinsing baths. If desired, an intermediate water bath can be switched between the color development bath and the bleach-fix bath, but this is usually not necessary.
  • a stabilizing agent can optionally be added to the last washing bath
  • the finished paper material emerging from the last washing bath must finally pass through a pair of squeeze rollers in order to remove the adhering water and to avoid dry corners.
  • the still moist material is then fed into the drying section, where it is dried in a few seconds using heat and flowing air.
  • An essential feature of the proposed machine is that the drying section is arranged above the container for the bath liquid. So that the containers are freely accessible when required, it is proposed that the drying section can be folded up.
  • the entire drying apparatus can thus be folded about a pivot axis and preferably locked in the folded-up state. Folding away is also possible with inserted papers, so that one can intervene in the process at any time.
  • a blower be connected to a deflection channel via a conveyor shaft.
  • the deflection channel there are several arc-shaped guide rollers which feed the sheet material emerging from the final washing part, reversing its position, to the fold-up drying box.
  • the drying box is connected to the deflection duct in an airtight manner via sealing elements.
  • drying box is connected to a radiator box on the underside via a further folding joint.
  • This emitter box contains one or more infrared emitters and additional air nozzles, which ensure that moisture is removed.
  • Blow pipes are therefore located in the deflection channel, in the drying box and in the heater box. Since it is essential for a uniform drying result that the air streams generated by the blowpipes are uniform over the entire width of the papers to be dried, it is proposed to use blowpipes whose air outlet gap is adjustable.
  • the emitter boxes are equipped with adjustable infrared emitters, which are located in the focal line of parabolic mirrors.
  • the infrared emitters can be controlled via electronic control circuits known per se.
  • each container is equipped with its own circulation system consisting of a pump and a liquid line. It is proposed that a bypass is inserted into each line, which divides the liquid flow into two partial flows One of which is returned directly to the tank and the other is passed through a heat exchanger and then returned to the tank. This measure allows the heat exchangers to be kept small and compact and, in particular, the bath temperatures can be kept constant in an economical manner by merely maintaining the temperature Cooling lost heat is replenished.
  • the partial stream returned directly to the container is returned to the container via a nozzle, which is located below the liquid level when the machine is operating.
  • a nozzle on the one hand leads the returned liquid flow directly into the vicinity of the sheet material to be developed, which is located in the liquid.
  • an intensive stirring of the bath liquid is brought about in this area, which is known to be essential for the uniform management of the process.
  • a partial line is branched off and guided via an adjustable throttle element to a nozzle which, during operation, wets the inlet roller through which the image material is guided into the bleaching bath.
  • plug-in couplings can be simple pipe couplings in which two telescopically fitting pipe parts are pushed into one another, or they are couplings that are under spring pressure and that automatically release when the coupled parts come out. Details on this can be found in the drawing description.
  • a flat filter which can be pulled out and inserted into guides, is arranged in the container near the wall and in the region of the mouths of the line system.
  • a flat filter is suitable for combining a large filter area with a small space requirement.
  • the flat filter can consist of a flat U-shaped holder, the open side of which is covered with filter fabric and in the back of which there are openings for the passage of the liquid.
  • the holder of the flat filter should preferably be closed at the bottom to form a pocket. Filter residues can then accumulate in this pocket and fall off the vertical filter.
  • the proposed compact structure means that the bath containers are close together.
  • the entire group of containers in the area of their upper edges be surrounded by a frame which has inward drainage surfaces for the bath liquids, these discharge surfaces have rib-shaped elevations in the border regions of the containers, which prevent the liquid running off from getting into wrong paths.
  • the photographic processing machine shown in the drawing is designated as a whole by (1). It consists of the machine housing (2) with the inlet part (3) for the exposed photo papers to be developed and the output gap (4) for the fully developed images.
  • Running part (3) feed rollers (5) are arranged, which serve to transport the photo papers to be entered.
  • the feed rollers (5) are surrounded by a light-tight box (6) which is open to the front and is connected directly to the exposure machine, the so-called printer.
  • the drying section (8) which is connected to the wet part of the machine via a deflection channel (8 ').
  • Fig. 2 shows that there are several containers (9) for holding the bath liquid in the interior of the machine housing (2).
  • the images to be developed are transported through these baths in the direction of the dash-dotted line (10).
  • they leave the baths at (11) they are fully developed, bleach-fixated and finally watered and only have to be freed of the adhering water and the water absorbed by the layer.
  • the images are first fed to the pair of squeeze rollers (12) and then after deflecting the drying section (8).
  • Fig. 3 shows the arrangement of the guide elements which guide the images through the photographic treatment baths.
  • a frame not shown, which can be interchangeably inserted into the containers (9)
  • the transport rollers (14) are arranged in several levels (15) below one another. In each level there are at least two transport rollers (14) assigned to one another, which together form a transport gap (16).
  • the development material (17) is conveyed through this transport gap, with it being connected to the connecting line (18), which leads through the axes of rotation of the transport rollers (14), always forms an angle of 90 °.
  • This fact is used according to the invention in order to give the development material a slightly outward inclined direction and thus to guide it reliably against the guide elements (13) which are arranged between the levels (15) of the transport rollers. It is proposed that the angle ⁇ , which the connecting line (18) forms with the vertical axes (19), is approximately 85 ° to 70 °, preferably 80 °. The direction in which the development material is given by this arrangement can be seen from FIG. 3.
  • the guide elements (13) are each located between the levels (15) of the transport rollers (14). It is preferably proposed that these guide elements be arranged such that they come into contact with only one side of the development material, namely the insensitive rear side, when the machine is in operation. This results in gentle handling of the goods without loss of management security.
  • Fig. 4 the inlet part (3) of the machine is shown schematically.
  • the feed rollers (5; 5 ') which in the example shown are driven by a gear (21).
  • the drive takes place via a freewheel, not shown in the drawing, which has the following purpose:
  • the exposed photo papers are released from the exposure machine at a relatively high speed (for example 10 cm / sec) and inserted into the inlet gap (20) of the developing machine.
  • the regular feed speed of the developing machine is much lower (e.g. 3 cm / sec.)
  • This difference is compensated for by the feed rollers (5) with free-wheel drive, by the photo paper that is quickly pushed in takes these rollers with them and rotates them. This way, the paper can disappear into the space occupied by the rollers.
  • the drive freewheels the feed rollers (5) and feeds the paper into the processor at a reduced speed.
  • the final dryer section (27) is arranged in a box (28) which is hingedly connected to the machine housing via a joint (29). If the box (28) is in the working position shown in FIG. 5, the air arriving along the arrow (25) also flows unhindered through this box and absorbs the moisture released there. If the box is to be lifted for cleaning purposes or to clear a paper jam, so the air flows freely into the open. However, as can be seen, the arrangement is such that the normal air flow is restored as soon as the box is pivoted back into the position of use.
  • the box (28) is on the one hand the guide path formed by guide rollers (30,30'-33.33 ') for the paper material.
  • This route is equipped with a suitable number of blowing nozzles (34) and (35).
  • heat radiators (36) and (37) in this box which heat the image material from below.
  • infrared radiators located in the focal line of parabolic mirrors (38, 39) can be used as heat radiators.
  • the emitters are electrically heated and electronically controlled so that they cannot burn the images. The electronic control also ensures that the emitters are immediately switched off as soon as the box (28) is raised.
  • the radiators are located in a separate lower part of the box (28), which in turn is connected to the box (28) via a folding joint (40).
  • the heat radiators (36) and (37) there are also further blowing nozzles (41) and (42) in the lower part of the box (28).
  • the dried image material finally exits at (4) and can be removed from the machine.
  • a liquid circulation system is shown schematically in the form of an embodiment. Such a system is assigned to each container (9) of the developing machine.
  • FIG. 6 an outer wall of a container (9) is shown at (50).
  • the bottom of the container is at (51) and the contents of the container, for example the bleaching bath, are indicated by the dashed lines (52).
  • the bath level is at (53) when the machine is in operation.
  • the respective treatment bath is removed from the container by means of the pump (54) via the pipeline (55).
  • a bypass (56) is inserted into the pipe (55), which divides the liquid flow into two partial flows, which are represented in FIG. 6 by the two pipes (57) and (58).
  • the liquid flow in the pipeline (57) is returned directly into the container via the nozzle (59), which is located below the bath level (53) in use.
  • the partial flow in the pipeline (58) first passes through a heat exchanger (60) and is then returned to the tank, with an adjustable throttle point (61) being located in this partial line.
  • the pipeline system shown in FIG. 6 also has a special feature which is generally only used in the bleach-fix bath.
  • the special feature is that the liquid flow in line (58) is divided again, so that a further partial flow is drawn from this flow, which is symbolized by line (62).
  • This partial flow is fed, preferably again via a throttle point (63), to a nozzle tube (64) which moistens the deflection roller (65), via which the photo paper runs into the bleach-fixing bath.
  • the purpose of this moistening is that the photo paper, the layer of which is still impregnated with developer, comes into contact with the bleach-fixing bath as early as possible, so that the effect of the developer is stopped as soon as possible.
  • the two containers (9 ') and (9 ⁇ ) are reproduced in part.
  • the developer is in (9 ′); in (9 ⁇ ) the bleach-fix bath.
  • the deflecting roller (65) is indicated together with the nozzle tube (64), so that it can be seen in what way the moistening of this roller takes place. So that no bleaching fixer from the deflecting roller (65) in the developer bath (9 ') can reach the deflecting roller (65) is assigned a doctor blade (66) which cleans the roller continuously.
  • Fig. 6 also shows that the various lines (57, 58, 62) are connected to the respective container walls (50) or the nozzles (64), etc. via plug-in couplings (67) or pressure couplings (68).
  • the couplings are easy to release if necessary, so that the disassembly of the parts for cleaning takes only little time.
  • Fig. 6 finally shows that in the container (9) in each case near the wall and in the region of the mouths of the line system there is a flat filter (69) which can be pulled out and inserted into guides.
  • This flat filter consists of a U-shaped holder (70), the open side of which is covered with filter fabric (71) and in the rear (72) there are openings (73) for the passage of the liquid to be filtered.
  • Fig. 6 it is also shown that the rack for the guide rollers (65), etc., has a chamfer (74) below. This bevel serves to push back the pressure coupling (68), which has rushed in when the rack is missing, when the rack is reinserted.
  • Fig. 8 shows that the openings (73) in the holder (70) of the flat filter are arranged only in the upper and middle part, but not in the lower part (75). In this way it forms in this lower part Between the rear wall of the holder (72) and filter fabric (71) there is a pocket in which solids can settle.
  • FIG. 7 An embodiment of such a nozzle is shown in FIG. 7.
  • the nozzle consists of the nozzle tube (80), which is open at the front (81) for connecting the air supply tube and closed at the rear (82).
  • the air outlet gap (83) is located on the lateral surface and is partially covered with an adjustable cover plate (84).
  • the cover plate (84) can be adjusted by means of two screws (85) and (86) which are guided in elongated holes.
  • a frame (90).
  • This frame has inwardly directed drain surfaces (91) which catch any dripping liquid and return it to the container.
  • the drainage surfaces are provided in the border areas of the containers with rib-shaped elevations (92) which prevent liquid from passing over on the drainage surfaces.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
EP19880116299 1988-02-12 1988-10-01 Machine de développement photographique Withdrawn EP0327674A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3804292 1988-02-12
DE3804292 1988-02-12

Publications (2)

Publication Number Publication Date
EP0327674A2 true EP0327674A2 (fr) 1989-08-16
EP0327674A3 EP0327674A3 (fr) 1990-09-05

Family

ID=6347218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880116299 Withdrawn EP0327674A3 (fr) 1988-02-12 1988-10-01 Machine de développement photographique

Country Status (2)

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US (1) US4888608A (fr)
EP (1) EP0327674A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613049A1 (fr) * 1993-02-23 1994-08-31 Agfa-Gevaert N.V. Appareil pour le traitement d'un matériau sous forme de feuille
EP0948886A1 (fr) 1998-04-09 1999-10-13 Gerplant Automation Procédé de transfert de plants en mottes, et tête de préhension pour la mise en oeuvre de ce procédé

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022781D0 (en) * 1990-10-19 1990-12-05 Kodak Ltd Photographic processing apparatus
GB9106439D0 (en) * 1991-03-26 1991-05-15 Kodak Ltd Photographic processing apparatus
US5270762A (en) * 1992-03-02 1993-12-14 Eastman Kodak Company Slot impingement for a photographic processing apparatus
US5452043A (en) * 1993-02-19 1995-09-19 Eastman Kodak Company Rack and a tank for a photographic low volume thin tank insert for a rack and a tank photographic processing apparatus
JP3165290B2 (ja) * 1993-07-26 2001-05-14 富士写真フイルム株式会社 感光材料処理装置の処理液温度制御方式
EP0933678A1 (fr) * 1998-01-30 1999-08-04 Agfa-Gevaert N.V. Appareil pour le traitement de matériau en feuilles à l'aide de liquides
US6702485B2 (en) * 2001-05-16 2004-03-09 Fuji Photo Film Co., Ltd. Photosensitive material processing apparatus and pleated cartridge filter
CN101802182A (zh) 2007-08-21 2010-08-11 诺达利蒂公司 用于诊断、预后和治疗方法的方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986988A (en) * 1958-03-04 1961-06-06 Agfa Ag Processing apparatus for photographic material
FR2184053A1 (fr) * 1972-05-10 1973-12-21 Minnesota Mining & Mfg
DE2941283A1 (de) * 1978-10-12 1980-04-24 Fuji Photo Film Co Ltd Verfahren und vorrichtung zur behandlung von lichtempfindlichen materialien fuer prozesse im graphischen gewerbe
EP0038780A1 (fr) * 1980-04-21 1981-10-28 Ciba-Geigy Ag Appareil de traitement pour matériel photographique en forme de feuille
GB2171784A (en) * 1985-04-11 1986-09-03 Igp Film processing machine
FR2582115A1 (fr) * 1985-05-20 1986-11-21 Edition Impression Ste Messine Dispositif de transfert d'elements pelliculaires

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2616869C2 (de) * 1976-04-15 1984-08-23 Agfa-Gevaert Ag, 5090 Leverkusen Heizeinrichtung für das Behandlungsbad einer Durchlauf-Entwicklungsmaschine
US4252429A (en) * 1979-01-26 1981-02-24 Hope Henry F Curvilinear, geared transport roller system
JPS60156062A (ja) * 1984-01-26 1985-08-16 Konishiroku Photo Ind Co Ltd 自動現像装置
DE3511136A1 (de) * 1984-03-27 1985-10-10 Konishiroku Photo Industry Co., Ltd., Tokio/Tokyo Automatische entwicklungsvorrichtung
JPH0142097Y2 (fr) * 1985-07-12 1989-12-11
US4755843A (en) * 1987-06-12 1988-07-05 Eastman Kodak Company Temperature control system for a photographic processor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986988A (en) * 1958-03-04 1961-06-06 Agfa Ag Processing apparatus for photographic material
FR2184053A1 (fr) * 1972-05-10 1973-12-21 Minnesota Mining & Mfg
DE2941283A1 (de) * 1978-10-12 1980-04-24 Fuji Photo Film Co Ltd Verfahren und vorrichtung zur behandlung von lichtempfindlichen materialien fuer prozesse im graphischen gewerbe
EP0038780A1 (fr) * 1980-04-21 1981-10-28 Ciba-Geigy Ag Appareil de traitement pour matériel photographique en forme de feuille
GB2171784A (en) * 1985-04-11 1986-09-03 Igp Film processing machine
FR2582115A1 (fr) * 1985-05-20 1986-11-21 Edition Impression Ste Messine Dispositif de transfert d'elements pelliculaires

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613049A1 (fr) * 1993-02-23 1994-08-31 Agfa-Gevaert N.V. Appareil pour le traitement d'un matériau sous forme de feuille
EP0948886A1 (fr) 1998-04-09 1999-10-13 Gerplant Automation Procédé de transfert de plants en mottes, et tête de préhension pour la mise en oeuvre de ce procédé

Also Published As

Publication number Publication date
EP0327674A3 (fr) 1990-09-05
US4888608A (en) 1989-12-19

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