US20090134566A1 - Photosensitive Material Conveying System and Image Forming Apparatus - Google Patents

Photosensitive Material Conveying System and Image Forming Apparatus Download PDF

Info

Publication number
US20090134566A1
US20090134566A1 US11/992,691 US99269106A US2009134566A1 US 20090134566 A1 US20090134566 A1 US 20090134566A1 US 99269106 A US99269106 A US 99269106A US 2009134566 A1 US2009134566 A1 US 2009134566A1
Authority
US
United States
Prior art keywords
film
protective layer
photosensitive material
section
roller
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.)
Abandoned
Application number
US11/992,691
Other languages
English (en)
Inventor
Makoto Sumi
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.)
Konica Minolta Medical and Graphic Inc
Original Assignee
Konica Minolta Medical and Graphic Inc
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 Konica Minolta Medical and Graphic Inc filed Critical Konica Minolta Medical and Graphic Inc
Assigned to KONICA MINOLTA MEDICAL & GRAPHIC, INC. reassignment KONICA MINOLTA MEDICAL & GRAPHIC, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SUMI, MAKOTO
Publication of US20090134566A1 publication Critical patent/US20090134566A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • 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
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/50—Projection printing apparatus, e.g. enlarger, copying camera with slit or like diaphragm moving over original for progressive exposure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/58—Baseboards, masking frames, or other holders for the sensitive material
    • G03B27/585—Handling cut photosensitive sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/12—Surface aspects
    • B65H2701/125—Particular treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/171—Physical features of handled article or web
    • B65H2701/1719—Photosensitive, e.g. exposure, photographic or phosphor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/172—Composite material
    • B65H2701/1727—Composite material including layer with anti-adhesive properties

Definitions

  • the present invention relates to photosensitive material conveying systems that feed out using a feeding out roller a plurality of photosensitive sheet films that have been stacked, and to image forming apparatuses.
  • Thermal development apparatuses are known that execute a thermal development process of forming latent images on a sheet film made of a thermal development photosensitive material and making the images visible by developing using an application of heat, and sheet films stored in a storage container inside a thermal development apparatus are picked up for conveying and supplying the sheet films to the downstream side.
  • the suction cup method is used for lifting up the sheet films while adhering to them by vacuum suction
  • this suction cup method the time taken for picking up becomes long, and hence cannot be selected from the point of view of speedy processing of the thermal development process.
  • the feed roller method is desirable in order to minimize the time required for picking up films.
  • a roller is contacted with the topmost sheet film and rotated thereby feeding out the sheet film (see, for example, Patent Document 1).
  • Patent Document 1 Specification of U.S. Pat. No. 5,660,384.
  • the present invention was made in view of the above problems in the conventional technology, and the purpose of the present invention is to provide a photosensitive material conveying system and image forming apparatus in which it is difficult for scratching of sheet films to occur while feeding out a plurality of stacked sheet films using a roller.
  • photosensitive sheet films (hereinafter referred to merely as “films”) F 1 and F 2 have a thermal development photosensitive material Em coated on one surface of sheet shaped supporting base made of PET (polyethylene terephthalate), and, a first protective layer and a second protective layer made of cellulose are formed respectively on Em and on PET.
  • PET has an elastic constant E of 3.92 ⁇ 10 3 N/mm 2 or more
  • the first and second protective layers made of cellulose have elastic constants of 3.14 ⁇ 10 3 N/mm 2 or more
  • the thermal development photosensitive material Em is a soft mixed material.
  • irregular shaped silica with an elastic constant about 2.94 ⁇ 10 4 N/mm 2 has been dispersed in the second protective layer as a matting agent so as to make stacked films easy to separate, and a part of this silica is projecting from the surface BC of the second protective layer.
  • the film F 1 is stacked over film F 2 with the surface BC of the second protective layer on the PET side of film F 2 as the top surface and the surface EC of the first protective layer on the Em side of the film F 1 as the bottom surface, by rotating a feed out roller in contact with the top surface of the topmost film F 1 , the film F 1 is fed out by making it move relative to the film F 2 in the horizontal direction H.
  • the contact pressure of the feeding out roller on the film is 0.49N/cm or less, the force acting locally between the contacting films becomes small, and the possibility of the matting agent scratching the surface EC of the film on the contacting side gets reduced.
  • the photosensitive material conveying system according to the present invention is a photosensitive material conveying system with a construction so that a feed out roller is contacted on a stack of sheets having a plurality of stacked photosensitive sheet films that are provided with an emulsion layer and a first protective layer provided on one side of a supporting base and a second protective layer provided on the other side with a matting agent dispersed in the second protective layer, and the topmost sheet film in the stack of sheets is fed out by the rotation of the feeding out roller, with the feature of the system being that the matting agent has a spherical shape, has a hardness that is softer than the first protective layer, has particles diameters in the range of 8 to 12 ⁇ m, and that the contact pressure of the feeding out roller is 0.49N/cm or less.
  • this photosensitive material conveying system when feeding out a sheet film by contacting the feeding out roller on the topmost sheet film in a stack of sheets, it becomes difficult for scratches to occur on the sheet film, because the matting agent dispersed on the second protective layer has a spherical shape, has a hardness that is softer than the first protective layer, and has particles diameters in the range of 8 to 12 ⁇ m, and because the contact pressure of the feeding out roller is 0.49N/cm or less, the force acting locally between the contacting films becomes small, and the possibility of the matting agent scratching the surface of the film gets reduced.
  • the feeding out roller contacts the sheet film on the second protective layer.
  • the feeding out roller has a prescribed width along a direction at right angle to the direction of conveying, and has a centerline adjusting function in order to make the contact pressure uniform over the entire width of the sheet film.
  • the photosensitive sheet film is a thermal development type photosensitive film, and that the matting agent is PMMA (polymethyl methacrylate).
  • the image forming apparatus has the feature that it is provided with the photosensitive material conveying system described above, exposes and forms images onto the fed out sheet films. According to this image forming apparatus, since it becomes difficult for scratches to occur on the sheet films due to the photosensitive material conveying system described above, it is possible to form images with a high quality.
  • the photosensitive material conveying system and image forming apparatus According to the photosensitive material conveying system and image forming apparatus according to the present invention, it becomes difficult for scratches to occur made on a plurality of stacked sheet films fed out using a roller, and it is possible to form images with a high quality.
  • FIG. 1 is a front view diagram showing schematically the important parts of an image forming apparatus of the thermal development type and that includes a sheet film conveying system according to a preferred embodiment of the present invention.
  • FIG. 2 is a front view diagram showing schematically a film conveying apparatus that feeds out films from a film storage tray section and conveys them towards the downstream side.
  • FIG. 3 is a front view diagram similar to FIG. 2 that schematically shows the relative positions (a) and (b) of the film and the separating claws inside the film storage tray section of FIG. 2 .
  • FIG. 4 is a front view diagram showing schematically the centerline adjusting link mechanism that can be provided to the conveying roller 46 of FIG. 1 to FIG. 3 .
  • FIG. 5 is a diagram showing schematically the result of the present preferred embodiment.
  • FIG. 6 is a schematic cross-sectional diagram of a film for explaining the effect of reduction of generation of scratches in the present invention.
  • FIG. 7 is a schematic cross-sectional diagram of a film for explaining the cause of generation of scratches in the conventional technology.
  • FIG. 1 is a front view diagram showing schematically the important parts of an image forming apparatus of the thermal development type and that includes a sheet film conveying system according to a preferred embodiment of the present invention.
  • an image forming apparatus 40 of the thermal development type is one that forms a latent image on a surface EC of a film F having, as is shown in FIG. 6 , a surface EC which is a coating of a thermal development type photosensitive material on one side of a sheet shaped supporting base made of PET and a surface BC on the supporting base side that is on the side opposite to that of the surface EC, by exposing to a laser light L from an optical scanning exposure section 55 while conveying the film F in the auxiliary scanning direction, and then heats the film F from the side of the surface BC thereby developing and making the latent image visible, passes the film via a curved conveying path and discharges it at the top part of the apparatus, with the apparatus being configured to have a relatively compact equipment chassis 40 a so as to be of a desktop type that can be placed on a desk, etc.
  • the image forming apparatus 40 of FIG. 1 comprises, a film storage tray section 45 that stores a plurality of sheets of unused films F near the bottom part of the equipment chassis 40 a ; a conveying roller 46 that picks up and conveys the film F at the topmost position in the film storing tray section 45 ; and a conveying roller pair 47 that conveys the film F from the conveying roller 46 towards the downstream side.
  • the image forming apparatus 40 comprises, a curved surface guide 48 formed in the shape of a curved surface so that the film F from the conveying roller pair 47 is guided and is conveyed after almost reversing the direction of conveying; conveying roller pairs 49 a and 49 b for conveying the film F from the curved surface guide 48 in the auxiliary scanning direction; an optical scanning exposure section 55 for exposing the film F between the conveying roller pairs 49 a and 49 b by optically scanning it using a laser light beam L based on the image data thereby forming a latent image on the surface EC; and an optical reflection type or optical transmission type detection sensor 60 that is placed on the upstream side of the conveying roller pair 49 a for detecting the film F conveyed from the curved surface guide 48 .
  • the image forming apparatus 40 further, comprises, with a temperature raising section 50 that raises the temperature up to a prescribed thermal development temperature by heating from the side of the surface BC of the film F on which a latent image has been formed; a temperature maintaining section 53 that heats the heated film F and maintains it at the prescribed thermal development temperature; a cooling section 54 that cools the heated film F from the side of the surface BC; a density meter 56 placed on the outlet side of the cooling section 54 and that measures the density of the film F 1 ; a pair of conveying rollers 57 that discharge the film F from the density meter 56 ; and a film stacking section 58 provided in an inclined position on the top surface of the equipment chassis 40 a so that the film F discharged by the conveying roller pair 57 is placed on it.
  • a temperature raising section 50 that raises the temperature up to a prescribed thermal development temperature by heating from the side of the surface BC of the film F on which a latent image has been formed
  • a temperature maintaining section 53 that heats the heated film F and
  • a film storage tray section 45 As is shown in FIG. 1 , in the image forming apparatus 40 , from the bottom part of the equipment chassis 40 a towards above are provided in sequence, a film storage tray section 45 , a board section 59 , conveying a pair of rollers 49 a and 49 b , a temperature raising section 50 , and a temperature maintaining section 53 (upstream side), and since the film storage tray section 45 is at the bottommost position and the board section 59 is between the temperature raising section 50 and temperature maintaining section 53 , it is hard for it to get affected by heat.
  • the conveying path from the conveying roller pairs 49 a and 49 b of the auxiliary scanning direction to the temperature raising section 50 has been constituted to be relatively short, while the film F is being exposed by the optical scanning exposure section 55 , the front edge side of the film F is subjected to thermal development heating by the temperature raising section 50 and the temperature maintaining section 53 .
  • a heating section is constituted by the temperature raising section 50 and the temperature maintaining section 53 , and heats the film F up to the thermal development temperature and maintains it at the thermal development temperature.
  • the temperature raising section 50 has a first heating zone 51 that heats the film F on the upstream side and a second heating zone 52 that heats the film on the downstream side.
  • the first heating zone 51 has a fixed flat shaped heating guide 51 b that is made of a metallic material such as aluminum, etc., a flat shaped heater 51 c made of a silicone rubber heater, etc., that is in close contact with the bottom surface of the heating guide 51 b , and a plurality of opposing rollers 51 a that are placed so as to maintain a gap smaller than the thickness of the film F so that they can push the film F against the fixed guide 51 d of the heating guide 51 b and whose surfaces are made of silicone rubber, etc., that has thermal insulation characteristic compared to metal, etc.
  • the second heating zone 52 has a fixed flat shaped heating guide 52 b that is made of a metallic material such as aluminum, etc., a flat shaped heater 52 c made of a silicone rubber heater, etc., that is in close contact with the bottom surface of the heating guide 52 b , and a plurality of opposing rollers 52 a that are placed so as to maintain a gap smaller than the thickness of the film F so that they can push the film F against the fixed guide 52 d of the heating guide 52 b and whose surfaces are made of silicone rubber, etc., that has thermal insulation characteristic compared to metal, etc.
  • the temperature maintaining section 53 has a fixed flat shaped heating guide 53 b that is made of a metallic material such as aluminum, etc., a flat shaped heater 53 c made of a silicone rubber heater, etc., that is in close contact with the bottom surface of the heating guide 53 b , and a guide section 53 a made of a heat insulating material, etc., that is placed opposite the fixed guide surface 53 d formed on the surface of the heating guide 53 b so as to maintain a gap (slit) d between it.
  • the temperature maintaining section 53 is constituted so as to be flat from the second heating zone 52 from the side of the temperature raising section 50 , and is formed to have a curved shape with a prescribed radius of curvature from the middle towards the top part of the apparatus.
  • the film F is conveyed while being heated in the first heating zone 51 of the temperature raising section 50 , because the film F conveyed from the upstream side of the temperature raising section 50 by the conveying roller pairs 49 a and 49 b , by being pressed against the fixed guide surface 51 d by each of the opposing roller pairs 51 a that are being rotationally driven, has its surface BC in close contact with the fixed guide surface 51 d.
  • the film F conveyed from the first heating zone 51 by being pressed against the fixed guide surface 52 d by each of the opposing roller pairs 52 a that are being rotationally driven, has its surface BC in close contact with the fixed guide surface 51 d and is conveyed while being heated.
  • the film F conveyed from the second heating zone 52 in the gap dd between the fixed guide surface 53 d of the heating guide 53 b and the guide section 53 a , is heated (temperature maintained) by the heat from the heating guide 53 b , and passes through the gap dd due to the conveying force of the opposing rollers 52 a on the side of the second heating zone 52 .
  • the film F is conveyed while having its orientation changed gradually from being almost horizontal in the gap dd to being almost vertical, and moves toward the cooling section 54 .
  • the film F conveyed almost vertically from the temperature maintenance section 53 is conveyed towards the film stacking section 58 while having its orientation changed gradually from being vertical to an inclined orientation while coming in contact with and being cooled by the cooling guide surface 54 c of the cooling plate 54 b made of metallic material, etc., due to the opposing roller 54 a .
  • the film F in the temperature raising section 50 and the temperature maintaining section 53 , is conveyed with its surface BC facing the fixed guide surfaces 51 d , 52 d , and 53 d in the heated condition, and with its surface EC which is coated with a thermal development type photosensitive material in the freely exposed to air state.
  • the film F in the cooling section 54 , is conveyed with its surface BC being cooled by coming into close contact with the cooling guide surface 54 c and its surface EC which is coated with a thermal development type photosensitive material in the freely exposed to air state.
  • the film F is conveyed by the opposing rollers 51 a and 52 a so that the time of its passing the temperature raising section 50 and the temperature maintaining section 53 is less than 10 seconds. Therefore, even the heating time from temperature raising to temperature maintaining becomes 10 seconds or less.
  • the film F is provided with a sheet shaped supporting base made of PET, a thermal development type photosensitive layer Em made by coating on one side of PET, a first protective layer made of cellulose formed on the thermal development type photosensitive layer Em, and a second protective layer made of cellulose formed on the other surface of PET.
  • a plastic matting agent is dispersed in the second protective layer with the following conditions.
  • the matting agent dispersed in the second protective layer in contrast with the shape of the conventional matting agent in FIG. 7 which is irregular that can easily cause stress concentration, has a truly spherical shape with a particle diameter within the range of 8 to 12 ⁇ m thereby reducing stress concentration, and also, while the elastic constant of the conventional matting agent silica is large (2.94 ⁇ 10 4 N/mm 2 or more), the elastic constant (2.94 ⁇ 10 3 N/mm 2 or less) of the matting agent (PMMA) is smaller than the elastic constant (3.14 ⁇ 10 3 N/mm 2 or more) of the first protective layer made of cellulose, and hence being softer than the first protective layer, and in addition, because the method of dispersion of the matting agent is monodispersion and not multiple dispersion that can cause agglomeration of matting agents, it is possible to satisfy the conditions of making the surface EC of the first protective layer difficult to be scratched. Further, monodispersion is dispersing particles with almost the same size.
  • FIG. 2 is a front view diagram showing schematically a film conveying apparatus that feeds out films from a film storage tray section and conveys them towards the downstream side.
  • a film conveying apparatus 61 of FIG. 2 is provided with a film storing tray section 45 , a conveying roller 46 , and conveying roller pairs 47 of FIG. 1 , in addition it is provided with a lifting mechanism that lifts up the plurality of sheets of film F placed in the film storage tray section 45 .
  • the lift mechanism of the film conveying apparatus 61 is provided with a lifting plate 62 that can swing with one end part 62 a on the side of the film storing tray section 45 acting as the pivot and that lifts up the plural sheets of the film F in the upward direction indicated by the broken lines due to the swinging action along the direction S of swinging, and a lifting plate 63 that can swing pivoting around one end part 63 a on the side of the film storing tray section 45 and the other end part 63 b on the side of the lifting plate 62 and can move up or down the lifting plate 62 by the other end part 63 b due to the swinging movement.
  • the lifting mechanism in addition, comprises a drive motor 67 , a contacting cam section 64 with an oval shape that contacts the bottom surface of the lifting plate 63 , a cog wheel 65 that swings this contacting cam section 64 around the rotating shaft 64 a , and a cog wheel 66 that swings due to the rotating shaft 67 a of the driving motor 67 and mates with the cog wheel 65 .
  • the driving motor 67 swings and changes the inclination of the contacting cam section 64 via the cog wheel 66 and the cog wheel 65 so that, even if the films F get reduced after being delivered out one by one, the topmost film is always contacting the conveying roller 46 .
  • the contacting cam section 64 makes the longer side direction of the contacting cam section 64 be inclined so that it is almost horizontal, and the longer side direction of the contacting cam section 64 is made to be inclined more and more towards the vertical direction as the conveying progresses and the number of sheets of the film F decreases.
  • the conveying roller pair 47 has a progressing roller 47 a that applies a progressing force in the direction of conveying to the film F fed out from the conveying roller 46 , and a dispensing roller 47 b that moves in cooperation with the progressing roller 47 a and dispenses the film one at a time.
  • the dispensing roller 47 b rotates in a direction opposite to that of the progressing roller 47 a and feeds the films below the topmost film F in a direction opposite to the conveying direction and returns the films to inside the film storing tray section 45 .
  • FIG. 3 is a front view diagram similar to FIG. 2 that schematically shows the relative positions (a) and (b) of the film and the separating claws inside the film storage tray section of FIG. 2 .
  • the separating claws 81 are provided on the supporting plate 80 on the inside of the equipment chassis 40 of FIG. 1 .
  • the separating claws 81 are provided so that, along with the swinging motion of the lifting plate 62 , they can contact by their own weights the leading edge at both corners of the topmost film F inside the film storing tray section 45 .
  • the lifting plate 62 of the film conveying apparatus 61 of FIG. 2 stops swinging when it is detected using a position detection sensor (not shown in the figure) that the topmost film F among the sheets of film stored has arrived at the prescribed position.
  • the conveying roller 46 swings pivoting around the pivoting shaft 46 b ( FIG. 4 ) due to its own weight and contacts the topmost film F.
  • the film separation and conveying is stopped, and the lifting plate 62 is made to swing again until the position detector detects.
  • the film conveying apparatus 61 starts operating, the film F is lifted up by the lifting plate 62 , the film F in the film storing tray section 45 is conveyed in the direction k in FIG. 2 because the conveying roller 46 rotates in the condition in which it is in contact with the topmost film F.
  • the film F is passed through the guide 48 by the conveying roller pair 47 and sent to the conveying roller pairs 49 a and 49 b and conveyed in the auxiliary scanning direction, and a latent image is formed on the surface EC of the film F by being optically scanned and exposed by a laser light beam L from the optical scanning and exposing section 55 based on the image data between the conveying roller pairs 49 a and 49 b .
  • the film F with a latent image formed on it is heated and thermally developed in the temperature raising section 50 and temperature maintaining section 53 thereby converting the latent image into a visible image, cooled in the cooling section 54 , and is placed on the film stacking section 58 .
  • an image forming apparatus 40 as shown in FIG. 1 can be configured as a medical laser imager that can output medical images on films by imputing medical image data to this apparatus.
  • the sheet film conveying apparatus according to the present invention is not applicable only to desktop type image forming apparatuses, and it goes without saying that it can be used also in relatively large image forming apparatuses of the thermal development type, as for example, in stand alone types, etc.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Photographic Developing Apparatuses (AREA)
US11/992,691 2005-10-03 2006-09-20 Photosensitive Material Conveying System and Image Forming Apparatus Abandoned US20090134566A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005-290227 2005-10-03
JP2005290227 2005-10-03
PCT/JP2006/318560 WO2007040043A1 (ja) 2005-10-03 2006-09-20 感光材料搬送システム及び画像形成装置

Publications (1)

Publication Number Publication Date
US20090134566A1 true US20090134566A1 (en) 2009-05-28

Family

ID=37906086

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/992,691 Abandoned US20090134566A1 (en) 2005-10-03 2006-09-20 Photosensitive Material Conveying System and Image Forming Apparatus

Country Status (4)

Country Link
US (1) US20090134566A1 (ja)
JP (1) JPWO2007040043A1 (ja)
CN (1) CN101277885A (ja)
WO (1) WO2007040043A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060220301A1 (en) * 2005-04-04 2006-10-05 Samsung Electronics Co., Ltd. Paper feeding apparatus
US20150044441A1 (en) * 2012-04-27 2015-02-12 Evonik Industries Ag Co-extruded impact-modified pmma film
US20150091244A1 (en) * 2013-09-27 2015-04-02 Canon Kabushiki Kaisha Sheet feeding apparatus, image reading apparatus, and image forming apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114670554A (zh) * 2022-03-02 2022-06-28 深圳市迅远科技有限公司 基于rfid防伪技术的胶片打印机用防伪装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660384A (en) * 1994-11-23 1997-08-26 Minnesota Mining And Manufacturing Company Imaging unit container having shiftable walls
US20020084574A1 (en) * 2000-12-29 2002-07-04 Kyung-Hwan Kim Pickup device for use in an image forming apparatus
US20030132568A1 (en) * 2001-12-20 2003-07-17 Guillermo Garcia Value sheet handling apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002278024A (ja) * 2001-03-15 2002-09-27 Konica Corp ハロゲン化銀写真感光材料
JP4025989B2 (ja) * 2002-09-19 2007-12-26 コニカミノルタホールディングス株式会社 シート状被搬送体の搬送機構及び画像形成装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660384A (en) * 1994-11-23 1997-08-26 Minnesota Mining And Manufacturing Company Imaging unit container having shiftable walls
US20020084574A1 (en) * 2000-12-29 2002-07-04 Kyung-Hwan Kim Pickup device for use in an image forming apparatus
US20030132568A1 (en) * 2001-12-20 2003-07-17 Guillermo Garcia Value sheet handling apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060220301A1 (en) * 2005-04-04 2006-10-05 Samsung Electronics Co., Ltd. Paper feeding apparatus
US7744083B2 (en) * 2005-04-04 2010-06-29 Samsung Electronics Co., Ltd. Paper feeding apparatus
US20150044441A1 (en) * 2012-04-27 2015-02-12 Evonik Industries Ag Co-extruded impact-modified pmma film
US9987828B2 (en) * 2012-04-27 2018-06-05 Evonik Roehm Gmbh Co-extruded impact-modified PMMA film
US20150091244A1 (en) * 2013-09-27 2015-04-02 Canon Kabushiki Kaisha Sheet feeding apparatus, image reading apparatus, and image forming apparatus
US9272860B2 (en) * 2013-09-27 2016-03-01 Canon Kabushiki Kaisha Sheet feeding apparatus, image reading apparatus, and image forming apparatus

Also Published As

Publication number Publication date
CN101277885A (zh) 2008-10-01
WO2007040043A1 (ja) 2007-04-12
JPWO2007040043A1 (ja) 2009-04-16

Similar Documents

Publication Publication Date Title
JP3178535B2 (ja) シート分離／送り装置
US9869955B2 (en) Fixing device provided with nip member capable of preventing outflow of lubricant
EP1795975A1 (en) Duplex printer with loop control
CN101458484B (zh) 定影装置和图像形成设备
US7865128B2 (en) Discharging unit and image forming apparatus having the same
US20090134566A1 (en) Photosensitive Material Conveying System and Image Forming Apparatus
US7970330B2 (en) Fusers, printing apparatuses and methods of fusing toner on media
US20040065991A1 (en) Automatic document feeding apparatus
US7532853B2 (en) Image forming device
US20050201795A1 (en) Image forming apparatus
JP2009220944A (ja) 給紙装置およびこれを備えた画像形成装置
JP2000219330A (ja) シート積載装置とこの装置を備えた画像形成装置
US8608162B2 (en) Image forming apparatus
JP2005219873A (ja) 記録材の除湿装置
JPS62163063A (ja) 画像形成装置
JP3802440B2 (ja) 画像記録装置
US20070222138A1 (en) Sheet feeding device and image forming apparatus
US7003252B2 (en) Thermal fixing device and image forming apparatus
JP2002278330A (ja) 熱定着装置及びプリンタ
JPH10203688A (ja) 用紙のスキューを調節する装置
JP2020052073A (ja) 定着装置および画像形成装置
JPH03241375A (ja) 定着装置
JP2007199262A (ja) 熱現像記録装置
JP4618157B2 (ja) 画像読取り装置
JP2000016631A (ja) シート搬送装置

Legal Events

Date Code Title Description
AS Assignment

Owner name: KONICA MINOLTA MEDICAL & GRAPHIC, INC., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SUMI, MAKOTO;REEL/FRAME:020788/0009

Effective date: 20080307

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION