EP0116681A1 - Dispositif de transport pour entraîner des supports d'émulsion photographique sous forme de bandes ou de feuilles à travers les bains chimiques des machines à développer - Google Patents

Dispositif de transport pour entraîner des supports d'émulsion photographique sous forme de bandes ou de feuilles à travers les bains chimiques des machines à développer Download PDF

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Publication number
EP0116681A1
EP0116681A1 EP83108405A EP83108405A EP0116681A1 EP 0116681 A1 EP0116681 A1 EP 0116681A1 EP 83108405 A EP83108405 A EP 83108405A EP 83108405 A EP83108405 A EP 83108405A EP 0116681 A1 EP0116681 A1 EP 0116681A1
Authority
EP
European Patent Office
Prior art keywords
roller
transport device
rollers
hat
rack
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.)
Granted
Application number
EP83108405A
Other languages
German (de)
English (en)
Other versions
EP0116681B1 (fr
Inventor
Hermann 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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT83108405T priority Critical patent/ATE34624T1/de
Publication of EP0116681A1 publication Critical patent/EP0116681A1/fr
Application granted granted Critical
Publication of EP0116681B1 publication Critical patent/EP0116681B1/fr
Expired legal-status Critical Current

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    • 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 has for its object to provide a transport rack for development machines that is easy and inexpensive to manufacture and maintain and ensures high quality of the development products even over longer periods of time. This object is achieved by the characterizing features of claim 1.
  • the invention first creates a transport roller which treats the paper extremely gently, with the individual, resilient pressure elements guaranteeing a constant contact pressure for the entire length of the roller is.
  • Each of the elements acts as an isolated, concentric spring element axially decoupled from the other, so that any out-of-roundness in the roller run does not have a significant effect on the contact pressure on the paper.
  • the spring action is not limited to a defined spring direction, as is the case for example with hard rollers mounted in elongated holes, but the outer surfaces of the elements interacting with the paper can gently nestle against the paper surface and any paper curvatures without the paper is subjected to a hard line load between the rollers.
  • rollers according to the invention it is possible for the first time to build feedthrough racks with greatly increased "permeability" - a fact which has an extremely positive effect on the development results. It is in fact advantageous if the bath liquid can circulate through the tank as freely as possible and the photochemical layer can agitate.
  • Disc-shaped lamellae ensure particularly good straightforward execution of the photo paper in the sense of a "track effect", in particular when the lamellae lie parallel to one another, as a result of which paper jams in the rack area can be avoided.
  • Claim 4 includes an easy-to-manufacture structure of a lamellar roller and its advantageous storage in a rack.
  • Claim 5 teaches to form the pressure elements as hollow bodies which can deflect elastically in the radial direction. While the disk-shaped lamellas "do not know" at the first moment of deflection, whether they should bend to one side or the other to form the passage gap or give in a compressed manner, the teaching of claim 5 assumes that a hollow body has at least one wall section has, which is not at right angles to the roller axis and can thus deflect by reducing its angular position with respect to the roller axis, whereby a particularly soft radial flexibility is guaranteed, which is further increased by the teaching of claim 6.
  • a particularly easy to manufacture, soft type of hollow body is taught by claim 7, which also has the advantage that from half-shell or hemispherical pressure elements when the racks are lifted out of the bath liquid, they are not held in cavities of the pressure body.
  • the manufacture of an injection mold for forming the hat slats is relatively inexpensive, which means that they can be mass-produced at a low price.
  • polyethylene for the production of the hollow bodies is particularly advantageous because, with good flexibility and correspondingly thin wall thicknesses, there is resistance to all known photochemical baths and, in particular, the unpleasant swelling processes which occur with rubber rollers are not to be feared.
  • the entirety of the cone lamellae of a common shaft so that half of the cone lamellae is directed with its open sides towards one shaft end and the other half towards the other shaft end .
  • This can be done in a variety of ways, for example by virtue of the fact that, according to claim 13, two hat slats are opposite each other with their open sides and deflect with their edges against one another, or that the left half of the roller with hat slats facing left and the right half of the roller with rightward Hat slats is equipped. It is only essential that the lateral offset forces of the hat slats are compensated for by an equal number of slats in both mounting directions.
  • Claim 15 makes particularly advantageous use of the possibility of the rollers according to the invention to breathe simultaneously in several radial directions.
  • a roller simultaneously takes over the suspension for two passage gaps that are effective on its periphery.
  • Particularly space-saving arrangements result from claims 16 and 17.
  • rollers according to the invention have a particularly advantageous effect if the roller is used as a central reversing roller which is located in the through-U-bend of the rack and which is surrounded by a plurality of peripherally arranged guide rollers is (claim 18).
  • guide elements are used which are effective in the transition area between the transport rollers.
  • these guide elements are designed as sheets that could only extend in the space between the pairs of rollers arranged one above the other.
  • the invention makes it possible for the first time to provide guide elements which advantageously extend through the passage gap, so that it is virtually impossible for the paper edges to get caught on the guide elements.
  • the transparency of the rack is further improved by the rod-shaped guide elements (claims 19-22).
  • Claim 23 ensures that the paper is carried out particularly gently by the entirety of all the transport rollers, since rollers driven without slippage cause less friction on the paper than non-driven ones.
  • the distribution of the drive elements on the two sides of the rack is particularly advantageous in that the weight of the rack is balanced. When the rack is lifted out of the bath, the good weight balance ensures that the rack does not tilt when it is lifted in the tank and that the sensitive drive elements hit the side walls of the tank.
  • Claim 24 avoids paper jams, particularly in the lower deflection area of the rack which is critical of the jam, since uniform propulsion on both paper sides is ensured over the entire length of the roller.
  • the front paper edges leave the passage gap at a slight angle inclined to the direction of passage, the paper edges run out at an acute angle along the guide elements after exiting the passage gap and are safely introduced into the next passage gap.
  • the parts of the racks lying above the level of the bath liquid become soiled and encrusted with spray residues far faster than the parts below the liquid level.
  • the dirt-intensive upper part of the rack can be removed from the lower part according to claims 26-28, the parting line between upper part and lower part according to claim 27 between the uppermost part , under the mirror of the liquid lying roller trio and the other idlers lying in the air.
  • the upper part and lower part are mutually fixed with a bolt.
  • the inside of the transport device for carrying out strip-like or sheet-like photographic layer supports has a plurality of parallel transport rollers, with three rollers lying next to one another at the same time in the so-called "roller centers" 1-4, and the roller facing the uncoated rear side of the layer carrier being designed as a lamella roller 5 is.
  • This is flexible with a plurality of radially projecting from the roller axis 6
  • lamellar discs 7 which protrude with their peripheral surfaces against the surfaces 8 of the outer rollers 9, 10 or touch them.
  • the passage gaps 11 for the photographic layer supports lie between the lamella roller 5 and the outer rollers 9, 10.
  • the outer rollers 9, 10 are mounted with a rigid mutual spacing 37 in the rack side parts 12, 13.
  • the lamellar roller 5 has a shaft core 14 and 'lamella disks 7 are designed as flat perforated disks which are plugged onto the core 14 and which are fixed on the shaft core 14 by spacer disks 15 of smaller diameter lying between them.
  • the ends 16, 17 of the shaft core 14 are rotatably supported in bearings 18, 19 of the rack side parts 12, 13.
  • the central reversing roller located in the lower feed-through U-arch 20 of the rack is also designed as a lamellar roller 21 which is surrounded by a plurality of rigidly arranged U-shaped guide rollers 22.
  • the guide rollers 22 are also provided with fins, which need not be radially flexible.
  • the axial offset of the lamellae from the adjacent guide rollers 22 enables the lamellae to be immersed in the spaces between the lamellae, so that a paper jam can be avoided.
  • a plurality of guide elements 23 designed as elongated rods which penetrate the lamellar rollers within the roller diameter 24 of the lamellar roller 5.
  • a guide element designed as a U-shaped bracket passes through a plurality of roller trios lying one above the other where form the guide rods in the free U-legs 25 and the guide elements are fastened in the region of their U-head 26 to a holding rod 27 passing through the rack parallel to the rollers.
  • All guide rollers of the rack are driven.
  • the drive takes place within a roller trio, i.e. between the two outer rollers and the middle roller by pinions, which are on the outside of a rack side, partly (e.g. 12).
  • the roller trios are driven by toothed or chain drives, which are arranged on the outside of the other rack side part (e.g. 13) for reasons of balance.
  • the guide rollers are driven by planet gears, which are driven by a sun gear arranged on the shaft of the lower lamella roller 21, which acts as a deflection roller.
  • the drive gears / chain drives are not shown in the drawing figures.
  • the plane of the roll trios 1-4 is inclined with respect to the main pass directions 28, 28 'so that the outer rolls are offset in the pass direction with respect to the middle roll, so that the front paper edge, the roll trio, is slightly bent towards the guide element 23 in the direction of arrow 29 as it exits the passage gap .
  • the upper part 30 of the rack lying above the liquid level 31 can be removed from the lower part 32 by means of a parting line 33 which runs approximately horizontally between the uppermost roll trio 34 and further guide rollers.
  • Lamellar rollers 35, 35 a similar to the rollers 5, and a smooth roller 35 b, similar to the rollers 9, 10, are arranged on the upper side of the rack 30 for guiding or conveying the paper.
  • Conveyor or guide rollers 39 and 39a are located on the outlet side of the rack upper part.
  • a bolt 36 which is only sketched, ensures that the upper part and lower part are exactly adjusted to one another in the operating position.
  • hat slats 50 are pushed onto a shaft core shown in sections in such a way that, two with their open sides 51 are directed towards each other and form a pair of hat slats, so to speak.
  • the open sides 51 run at right angles to the roller axis 6.
  • the hat slats 50 are provided in their peripheral region with a first substantially cylindrical section 52, the outer side 53 of which forms the contact surface with the photographic paper.
  • This cylindrical section 52 is followed by a conical wall part 54, which encloses an angle 55 of approximately 45 ° with the roller axis 6.
  • the wall part 54 merges in one piece into a bearing sleeve 56, which protrudes somewhat beyond the open side 51, so that the lower edges of the outer sides 53 of two cones lying against one another with their open sides 51 have a deflection distance 57.
  • the deflection movement of the edges of the hat slats 50 under radial pressure is indicated by the arrows 58.
  • FIG. 5 shows another arrangement of the hat slats relative to one another. With their open sides 51 they do not point towards each other, but in the same direction. However, with such an arrangement, care must be taken that, for example, the hat slats of the other shaft end point in the opposite direction.
  • the hat slats shown in FIG. 5 are provided with bellows 59 arranged in the wall part 54, which of course can also be provided on the flat slat disks.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
EP83108405A 1983-02-22 1983-08-26 Dispositif de transport pour entraîner des supports d'émulsion photographique sous forme de bandes ou de feuilles à travers les bains chimiques des machines à développer Expired EP0116681B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108405T ATE34624T1 (de) 1983-02-22 1983-08-26 Transportvorrichtung zur durchfuehrung von bandoder blattfoermigen fotografischen schichttraegern durch fotochemische baeder von entwicklungsmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833306139 DE3306139A1 (de) 1983-02-22 1983-02-22 Transportvorrichtung zur durchfuehrung von band- oder blattfoermigen fotografischen schichttraegern durch fotochemische baeder von entwicklungsmaschinen
DE3306139 1983-02-22

Publications (2)

Publication Number Publication Date
EP0116681A1 true EP0116681A1 (fr) 1984-08-29
EP0116681B1 EP0116681B1 (fr) 1988-05-25

Family

ID=6191521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108405A Expired EP0116681B1 (fr) 1983-02-22 1983-08-26 Dispositif de transport pour entraîner des supports d'émulsion photographique sous forme de bandes ou de feuilles à travers les bains chimiques des machines à développer

Country Status (6)

Country Link
US (1) US4544253A (fr)
EP (1) EP0116681B1 (fr)
JP (1) JPS59154450A (fr)
AT (1) ATE34624T1 (fr)
DE (2) DE3306139A1 (fr)
DK (1) DK157219C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0610832A1 (fr) * 1993-02-05 1994-08-17 Noritsu Koki Co., Ltd. Rouleaux d'essorage

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626412C2 (de) * 1985-08-06 1994-12-15 Fuji Photo Film Co Ltd Transporteinrichtung für belichtetes fotografisches Material
JPS6390652U (fr) * 1986-12-02 1988-06-13
US4926215A (en) * 1988-10-12 1990-05-15 Rank Jr Allen H Contact exposure unit
JP2652695B2 (ja) * 1989-01-12 1997-09-10 富士写真フイルム株式会社 感光材料処理装置
JPH0339961A (ja) * 1989-04-11 1991-02-20 Fuji Photo Film Co Ltd 感光材料処理装置
US5326011A (en) * 1993-01-22 1994-07-05 Printware, Inc. Reduced-skew web drive between rollers of differing coefficients of friction, particularly to transport paper, metal or film in a laser imager
DE59408359D1 (de) * 1994-02-24 1999-07-08 Gretag Imaging Ag Schlaufenpuffer für Bandtransportvorrichtung
US6007627A (en) * 1997-11-13 1999-12-28 The Proceter & Gamble Company Method and apparatus for processing a discontinuous coating on a substrate
US6074109A (en) * 1998-03-25 2000-06-13 Eastman Kodak Company Apparatus for processing photographic media
US6164846A (en) * 1998-03-25 2000-12-26 Eastman Kodak Company Apparatus and method for transporting a web
JP3954229B2 (ja) * 1999-01-28 2007-08-08 富士フイルム株式会社 加熱装置
US6701945B1 (en) * 2000-02-28 2004-03-09 Utica Enterprises, Inc. Sheet metal blank washer system
JP2004002003A (ja) * 2002-03-25 2004-01-08 Fuji Photo Film Co Ltd 画像記録装置
EP1589130B1 (fr) * 2004-04-13 2009-07-29 Applied Materials GmbH & Co. KG Dispositif de guidage avec au moins un rouleau de guidage pour guider des bandes dans un appareillage de traitement de bandes
US20120223118A1 (en) * 2011-03-04 2012-09-06 Piatt Michael J Web media moving apparatus
US20120223117A1 (en) * 2011-03-04 2012-09-06 Kasiske Jr W Charles Web media moving method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1891722A (en) * 1931-09-22 1932-12-20 Bruning Charles Co Inc Sensitized paper developing apparatus
US3345928A (en) * 1965-06-08 1967-10-10 Vivian D Krehbiel Flexible material transport mechanism
FR2436733A1 (fr) * 1978-09-19 1980-04-18 Dainippon Screen Mfg Ensemble de rouleau fou pour un transporteur de film
DE2947204A1 (de) * 1979-11-23 1981-05-27 Huss, Heinrich, 6054 Rodgau Einrichtung zur durchlaufentwicklung band- oder blattfoermiger, fotografischer schichttraeger
DE3127016A1 (de) * 1981-07-09 1983-01-20 Autopan Heimerdinger & Stäbler GmbH & Co, 7022 Leinfelden -Echterdingen "vorrichtung zum behandeln von flaechigem behandlungsgut"

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078024A (en) * 1960-05-11 1963-02-19 Pako Corp Processing apparatus for processing flexible sheet material requiring chemical treatment
GB1316203A (en) * 1971-02-04 1973-05-09 Pentacon Dresden Veb Device for conveying photographic film
US3847260A (en) * 1971-11-29 1974-11-12 A Fowler Conveyer belt roller
GB1393566A (en) * 1972-04-18 1975-05-07 Krehbiel V D Apparatus for transporting photographic film
US3989176A (en) * 1974-04-04 1976-11-02 Hope Henry F Web transporting system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1891722A (en) * 1931-09-22 1932-12-20 Bruning Charles Co Inc Sensitized paper developing apparatus
US3345928A (en) * 1965-06-08 1967-10-10 Vivian D Krehbiel Flexible material transport mechanism
FR2436733A1 (fr) * 1978-09-19 1980-04-18 Dainippon Screen Mfg Ensemble de rouleau fou pour un transporteur de film
DE2947204A1 (de) * 1979-11-23 1981-05-27 Huss, Heinrich, 6054 Rodgau Einrichtung zur durchlaufentwicklung band- oder blattfoermiger, fotografischer schichttraeger
DE3127016A1 (de) * 1981-07-09 1983-01-20 Autopan Heimerdinger & Stäbler GmbH & Co, 7022 Leinfelden -Echterdingen "vorrichtung zum behandeln von flaechigem behandlungsgut"

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0610832A1 (fr) * 1993-02-05 1994-08-17 Noritsu Koki Co., Ltd. Rouleaux d'essorage

Also Published As

Publication number Publication date
DE3376764D1 (en) 1988-06-30
DK157219B (da) 1989-11-20
JPS59154450A (ja) 1984-09-03
DK395283D0 (da) 1983-08-30
ATE34624T1 (de) 1988-06-15
DE3306139A1 (de) 1984-08-30
EP0116681B1 (fr) 1988-05-25
US4544253A (en) 1985-10-01
DK395283A (da) 1984-08-23
DK157219C (da) 1990-04-16

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