US3718080A - Device for developing two-component diazo photosensitive material - Google Patents

Device for developing two-component diazo photosensitive material Download PDF

Info

Publication number
US3718080A
US3718080A US00195367A US3718080DA US3718080A US 3718080 A US3718080 A US 3718080A US 00195367 A US00195367 A US 00195367A US 3718080D A US3718080D A US 3718080DA US 3718080 A US3718080 A US 3718080A
Authority
US
United States
Prior art keywords
developer
developing roller
developing
heating chamber
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00195367A
Other languages
English (en)
Inventor
Y Yamamoto
M Tajihi
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.)
Yamamoto Kogyosho KK
Yamamoto Kogyo KK
Original Assignee
Yamamoto Kogyosho KK
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 Yamamoto Kogyosho KK filed Critical Yamamoto Kogyosho KK
Application granted granted Critical
Publication of US3718080A publication Critical patent/US3718080A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • G03D5/00—Liquid processing apparatus in which no immersion is effected; Washing apparatus in which no immersion is effected
    • G03D5/06—Applicator pads, rollers or strips
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/18—Diazo-type processes, e.g. thermal development, or agents therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D13/00—Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D5/00—Liquid processing apparatus in which no immersion is effected; Washing apparatus in which no immersion is effected
    • G03D5/06—Applicator pads, rollers or strips
    • G03D5/065—Pads
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D7/00—Gas processing apparatus

Definitions

  • the developing roller gradually, so that it is gasified by [58] Field of Search...95l89 G, 89 A, 94 G; 355/106, the heat from the heating chamber for producing a gaseous developer layer on the outer peripheral surface of the developing roller where the photosensitive material is delivered and developed.
  • An object of the invention is to provide a dry developing device for developing the latent image of a two-component diazo photosensitive material layer by applying a gaseous developer thereto, which device includes a heating chamber, and a developing roller having a peripheral impregnable portion impregnated with the developer and being rotatably mounted within the heating chamber, so as to generate a gaseous layer of the developer on the outer peripheral surface of the developing roller upon heating by the heating chamber, characterized in that the developing roller is hollow and the developer in liquid phase is applied to the inner peripheral surface of the developing roller gradually while causing the developer to transfer to the outer peripheral surface thereof, so that the liquid developer can continuously be delivered to the outer peripheral surface of the developing roller and the gaseous developer layer is continuously formed on the outer surface of the developing roller upon heating by the heating chamber.
  • Another object of the invention is to simplify the feeding of the liquid developer to the developing roller of the aforesaid device, by detachably inserting a disposable cartridge type developer tank through the heating chamber wall to the inside of the hollow developing roller, which developer tank has a developer spreading member engageable with the inner peripheral surface of the developing roller over the entire effective developing width of the developing roller.
  • the developer tank may separately be manufactured as a sealed tank. Such developer tank is particularly suitable for office use.
  • FIG. 1 is a vertical sectional view of a developing device, according to the present invention.
  • FIG. 2 is a sectional view, taken along line lIII of FIGJ;
  • FIG. 3 is an enlarged sectionalview of a developing roller in the device of FIG.1, according to the present invention.
  • FIG. 4 is a schematic perspective view of a cartridge type developer tank and a developer spreader, according to the present invention.
  • FIG. 5 is a partially cut away perspective view of a framework for seating the developer tank, which framework includes holding bars and vertically reciprocating boards;
  • FIGS.6 and 7 are lateral sectional views of different embodiments of the developer tank with a developer spreader to be used in the device according to the present invention.
  • a developing roller a includes a cylindrical rotary drum 1, preferably made of stainless steel, and a plurality of holes 2 are drilled through the peripheral wall of the drum 1.
  • a pair of tire rings 3 (FIG. 1) are secured to the opposite ends of the cylinprotrude to the inside of the drum 1 relative to the inner surface thereof.
  • An outer impregnable sheet 6 is tightly wound on the inner impregnable sheet 4, which outer sheet is preferably made of a paper-like blotting material.
  • the outer impregnable sheet 6 is made by overlaying four to six filter papers, each being 0.3 mm thick and having a capillary constant of 8 per square centimeter.
  • a cover layer 7 is wound on the outer impregnable sheet 6, which layer 7 can be preferably made of a thin woven cloth.
  • the cover layer 7 is made of a tricot fabric of non-impregnable synthetic fibers with a comparatively rough texture.
  • the diameter of each hole 2 on the rotary drum 1 should preferably by four to five millimeters, and the area ratio between the holes 2 and the non-perforated drum portion should preferably be about 45:55.
  • FIG.4 shows a perspective view of a cartridge type developer tank-spreader assembly b.
  • the assembly 11 includes an elongated cylindrical developer tank 11, whose length substantially corresponds to an effective developing width of the aforesaid developing roller 0 between the tire rings 3.
  • the opposite ends of the cylindrical tank 11 are sealingly closed.
  • a rectilinear elongated opening 12 is connected to the cylindrical tank through a similarly shaped neck passage defined by planar walls 13, so that the opening 12 extends in parallel with the longitudinal axis of the tank over the entire length thereof.
  • a pair of mounting flanges 14 extend outwardly from the wide sides of the walls 13, on the opposite sides thereof.
  • a suitable liquid-holding member 15 (FIG.
  • a spreading member 16 having capillary action is inserted into the opening 12, until its lower end comes in contact with the liquid-holding member 15 while its top edge protrudes upwardly from the upper end of the opening 12.
  • a rectangular cap 18 is sealingly fitted on the top edges of the planar side walls 13, so as to facilitate the storage and transportation of the developer tank 11.
  • a few adjusting screws 17 are threadably mounted on the side walls 13 so as to enable the control of the cross sectional area of the opening 12 for fine adjustment of the flow rate of the liquid developer through the spreading member 16.
  • FIGS. 1 and 2 show the structure of a developing device according to the present invention, which comprises the aforesaid developing roller a and the developer tank-spreader assembly b, both mounted within a heating chamber c.
  • An inlet opening 21 for receiving a sheet of photosensitive paper and an outlet opening 23 for delivering the photosensitive paper after development are provided on the front wall of the heating chamber c, at the lower and upper portions thereof, respectively, as shown in FIG. 1.
  • Suitable guide pieces 22 and 24 are associated with the inlet opening 21 and the outlet opening 23, respectively.
  • Each of the tire rings 3 secured to the drum 1 of the developing roller a are rotatably held by bearing rollers 25, which are disposed on the inner surface of the side wall of the chamber c at suitable angular intervals, for instance, three bearing rollers 25 spaced by 120.
  • bearing rollers 25 By disposing similar bearing rollers 25 on the opposite side wall of the chamber c, the developing roller a is rotatably held in the hollow space within the heating chamber 0.
  • An endless conveyor belt 26 engages at least one half of the peripheral surface of the developing roller a and extends in proximity of the inlet opening 21 and in proximity of the outlet opening 23.
  • the conveyor belt 26 is driven by a driving roller 27 in the direction as shown by the arrow of FIG.1.
  • the rotation of the endless belt 26 is guided by guide rollers 28 to 30.
  • a covered loading opening 31 is formed on one of the side walls of the heating chamber 0, in register with the side opening of the developing roller disposed within the heating chamber c, for purposes of loading the developer tankspreader assembly b in the
  • FIG. shows a perspective view of holding framework to be secured to the inside of the heating chamber c for holding the developer tank-spreader assembly b.
  • the framework comprises a pair of L-shaped holder bars 33 spaced by a gap 32.
  • the magnitude of the gap 32 is just wide enough for receiving the outer surfaces of the opposing wider side walls 13 of the opening 12 of the developer tank-spreader assembly b.
  • the two holder bars 33 are at positioned directly above the axial center line of the developing roller a, by securing the longitudinally opposite ends of the bars 33 to the corresponding side walls of the heating chamber c.
  • Each of the holder bars 33 has a plurality of outwardly projecting guide pins 34, as shown in F165
  • the guide pins 34 fit in the corresponding ones of slanted guide grooves or slots 36 drilled into each of a pair of vertically reciprocating boards 35.
  • the two vertically reciprocating boards 35 engage the outer surfaces of the vertical portions of the L-shaped holder bars 33, respectively, and are connected to the movable iron core 39 of a solenoid 38 (FIG. 2) through connecting pieces 37 and pivotal links 40.
  • the solenoid 38 is secured to the side wall of the heating chamber c.
  • a suitable heater 41 FIG. 1) is provided in the heating chamber c.
  • a cover or door provided for the loading opening 31 is opened, and the developer tankspreader assembly b is inserted into the interior chamber of the developing roller a rotatably mounted in the heating chamber c, while fitting the neck walls 13 of the opening 12 of the developer tank-spreader assembly b in the gap 32 between the holder bars 33, so as to cause the lower surfaces of the mounting flanges 14 of the developer tank-spreader assembly b to rest on the upper edges of the vertically reciprocating boards 35.
  • the mounting flanges 14 may be secured to the vertically reciprocating boards 35, if so desired.
  • the electric circuit of the solenoid 38 is interconnected with thecircuit of a driving motor for the driving roller 27 in such a manner that, upon actuation of the driving motor, the solenoid 28 is energized. Accordingly, the moving iron core 39 is pulled by the solenoid, so as to pull the vertically reciprocating boards 35 toward the solenoid 38 through the links 40 and the connecting pieces 37. At this moment, the engagement between the guide pins 34 of the stationary holder bars 33 and the slanted guide grooves or slots 36 of the vertically reciprocating boards 35 causes the latter boards 35 to rise upwards as they move toward the solenoid 38.
  • the developer tank-spreader assembly b is raised, and the top edge of the spreading member 16 comes into contact of the projections 5 of the inner impregnable sheet 4 at the inner surface of the developing roller a.
  • the developing roller a rotates due to its contact with the conveyor belt 26, so that the liquid developer sucked from the developer tank 11 by the spreading member 16 by capillary action is gradually spread on the projections
  • the liquid developer applied on the inner impregnable sheet 4 is transferred to the outer impregnable sheet 6, and then gasified at 40 C to 60 C so as to permeate through the cover layer 7 and form a gaseous developer layer on the outer peripheral surface of the developing roller a.
  • the rough texture of the cover layer 7 acts to keep the gaseous developer layer on its surface.
  • the aforesaid temperature for gasifying the liquid developer is established by the heater 41 disposed within the heating chamber 0.
  • a sheet of photosensitive paper (not shown) to be developed is delivered to the aforesaid gaseous developer layer on the outer periphery of the developing roller a by the conveyor belt 26 through the inlet opening 21, so that a latent image produced in the photosensitive coating (i.e., two-component diazo materials in this case) is developed by the coupling action thereof.
  • a latent image produced in the photosensitive coating i.e., two-component diazo materials in this case
  • a heating roller (not'shown) may be disposed adjacent to the outlet opening 23 of the heating chamber 0, so as to receive the developed photosensitive paper from the outlet opening 23 for heating it at C to C for a very short period of time.
  • the heating at such a high temperature acts to decompose the molecules of the residual developer in the photosensitive paper and insures the complete coupling reaction of the diazo photosensitive material.
  • FIG. 6 shows another embodiment of the developer tank-spreader assembly.
  • an elongated developer tank 51 is disposed within the hollow space of the developing roller a.
  • a horizontal developer feeding roller 52 rotates while dipping its lower portion in the liquid developer in the tank 51.
  • a spreading roller 53 is so disposed as to engage both the inner surface of the developing roller a and the upper portion of the feeding roller 52. Thereby, the liquid developer is transferred from the tank 51 to the projections 5 of the inner impregnable sheet 4 of the developing roller 0, through the peripheral surfaces of the feeding roller 52 and the spreading roller 53.
  • FIG. 7 illustrates a different form of the developer tank-spreader assembly b.
  • a storage tank 65 is disposed outside the heating chamber 0 (F161) and connected to a developer tank 61 located within the inner hollow space of a developing roller a similar to that of FIG.1.
  • a feeding conduit 66 serves for the connection.
  • the developer tank has an upright opening 62 formed by neck walls 63, and a spreader member 64 having capillary action extends from the bottom of the developer tank 61 through the opening 62, so that the upper end of the spreading member 64 protrudes above the top edge of the opening 62.
  • the upper end of the spreading member 64 engages the inner peripheral surface of a drum 1 of the developing roller a, for applying the developer to the projections 5 of an inner impregnable sheet 4 of the developing roller a.
  • the storage tank 65 may be of dripping type adapted for feeding the liquid developer as it is transferred from the tank 61 to the developing roller a.
  • FIGS. 6 and 7 are suitable for industrial use, where a large amount of the two-component diazo photosensitive material is dealt with.
  • the liquid developer to be used in the developing device, according to the present invention consists of an odorless aqueous solution of ethanol amine or other amines with equivalent properties.
  • Some of the examples of the liquid developer composition are as follows.
  • Example 1 40 parts of monoethanol amine, 60 parts of water,
  • Example 2 35 parts of monoethanol amine, 5 parts of diethanol amine, 60 parts of water,
  • Example 3 30 parts of monoethanol amine, 10 parts of triethanol amine, 60 parts of water,
  • a spreading roller engages on the outer peripheral surface of a developing roller, which developing roller is disposed within a heating chamber and has an impregnable sheet wound thereon.
  • the spreading roller spreads a liquid developer, such as ammonia water and aqueous solution of ethanol amine, onto the peripheral surface of the developing roller, in a comparatively simple manner.
  • the conventional developing devices have a shortcoming in that developer is transferred to the surface of the photosensitive material in liquid phase, so that the developer tends to wet the photosensitive material and makes it difficult to achieve satisfactory dry developing effect.
  • the liquid developer is applied on the inner peripheral surface of a developing roller and transferred to the outer peripheral surface where it is gasified by the heat from the heating chamber for ensuring the dry developing effect.
  • the present invention uses a perforated drum for making the developing roller, and an impregnable sheet is tightly .wound on the outer peripheral surface of the drum was to cause partial projection of the impregnable sheet toward the inside of the drum through the perforations thereof.
  • the liquid developer is applied to the projections of the impregnable sheet thus formed on the inner peripheral surface of the drum.
  • a concentrated gaseous layer of the developer be provided on the outer peripheral surface of the developing roller for effecting satisfactory dry developing operation without wetting the photosensitive material at all.
  • the developer tank-spreader assembly of the present invention is normally held invisible within the developing roller, but it can easily be inspected simply by opening the door or cover of a loading opening, so as to allow the adjustment of the application of the liquid developer and the supplement of the liquid developer.
  • excellent development can be ensured.
  • the developing device according to the present invention the aforesaid advantages and effect can be achieved by using a disposable cartridge type developer tank-spreader assembly, so that reliable excellent developing effect can be insured without requiring any skilled operator. Accordingly, the developing device of the present invention is particularly suitable for office use.
  • a device for developing a photosensitive print comprising:
  • a casing having an inlet for the print to be develope and an outlet for the developed print
  • a cylindrical roll mounted in said casing for rotation which comprises a rigid cylindrical drum having a plurality of perforations formed in the drum wall over the total circumferential surface thereof, a basic layer of elastic and porous material including a plurality of protrusions and wound around said drum so that each of said protrusions is inserted corresponding of said perforations, an intermediate layer of fibrous sheet material wound around said porous material layer, and a loose fabric cover layer of substantially non-hygroscopic material;
  • v l I an applicator means arranged within said cylindrical rool and extending along the effective axial length thereof for supplying liquid developer onto the surface of the porous material evenly as said cylindrical roll rotates;
  • a heating means arranged outside of said cylindrical roll to evaporate developer liquid to form gas layer around the cylindrical roll;
  • an endless belt means engaging with said cylindrical roll for rotating said roll and feeding the print from said inlet through the outer surface of said roll to said outlet.
  • said fibrous sheet material for the intermediate layer is a lamination of a thickness of the order up to several milimeters and the lamination is of a plurality of webs.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
US00195367A 1970-11-19 1971-11-03 Device for developing two-component diazo photosensitive material Expired - Lifetime US3718080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45102259A JPS5017257B1 (enrdf_load_stackoverflow) 1970-11-19 1970-11-19

Publications (1)

Publication Number Publication Date
US3718080A true US3718080A (en) 1973-02-27

Family

ID=14322577

Family Applications (1)

Application Number Title Priority Date Filing Date
US00195367A Expired - Lifetime US3718080A (en) 1970-11-19 1971-11-03 Device for developing two-component diazo photosensitive material

Country Status (7)

Country Link
US (1) US3718080A (enrdf_load_stackoverflow)
JP (1) JPS5017257B1 (enrdf_load_stackoverflow)
DE (1) DE2144315A1 (enrdf_load_stackoverflow)
FR (2) FR2106318A5 (enrdf_load_stackoverflow)
GB (1) GB1367307A (enrdf_load_stackoverflow)
IT (1) IT939032B (enrdf_load_stackoverflow)
NL (1) NL7113470A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904292A (en) * 1973-02-09 1975-09-09 Inst Graphic Communication Inc Apparatus for single sheet photographic reproduction
US4073261A (en) * 1976-09-24 1978-02-14 Teeny Samuel J Article moistener
US4534308A (en) * 1981-11-25 1985-08-13 Basf Aktiengesellschaft Apparatus for applying treating media onto webs
WO1991002291A1 (en) * 1989-08-02 1991-02-21 Eastman Kodak Company Method and apparatus for transporting and liquid treating indeterminate lengths of web material
US6294020B1 (en) * 1996-08-19 2001-09-25 Heidelberger Druckmaschinen Ag Device for applying photoresist to a base body surface
US6530246B1 (en) * 1997-12-24 2003-03-11 Joachim Hausmann Method and device for fiber impregnation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200876C2 (de) * 1982-01-14 1987-02-12 Meteor-Siegen Apparatebau Paul Schmeck Gmbh, 5900 Siegen Vorrichtung zum kontinuierlichen Entwicklen von Lichtpausmaterial

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431041A (en) * 1944-01-06 1947-11-18 Gen Aniline & Film Corp Mechanism for developing printed materials
US2524818A (en) * 1946-06-25 1950-10-10 Joseph W Mchugh Light-sensitive print development apparatus
US2605684A (en) * 1947-10-06 1952-08-05 Grinten Chem L V D Apparatus for semiwet development of photoprints
US2909150A (en) * 1957-01-16 1959-10-20 Ungerer Fritz Machine for lubricating metallic sheets
US3097597A (en) * 1961-05-01 1963-07-16 Meredith Publishing Company Ink roller lubricator
US3565523A (en) * 1967-12-13 1971-02-23 Columbia Broadcasting Syst Inc Vapor reproducing apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4311040Y1 (enrdf_load_stackoverflow) * 1967-12-21 1968-05-13

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2431041A (en) * 1944-01-06 1947-11-18 Gen Aniline & Film Corp Mechanism for developing printed materials
US2524818A (en) * 1946-06-25 1950-10-10 Joseph W Mchugh Light-sensitive print development apparatus
US2605684A (en) * 1947-10-06 1952-08-05 Grinten Chem L V D Apparatus for semiwet development of photoprints
US2909150A (en) * 1957-01-16 1959-10-20 Ungerer Fritz Machine for lubricating metallic sheets
US3097597A (en) * 1961-05-01 1963-07-16 Meredith Publishing Company Ink roller lubricator
US3565523A (en) * 1967-12-13 1971-02-23 Columbia Broadcasting Syst Inc Vapor reproducing apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904292A (en) * 1973-02-09 1975-09-09 Inst Graphic Communication Inc Apparatus for single sheet photographic reproduction
US4073261A (en) * 1976-09-24 1978-02-14 Teeny Samuel J Article moistener
US4534308A (en) * 1981-11-25 1985-08-13 Basf Aktiengesellschaft Apparatus for applying treating media onto webs
WO1991002291A1 (en) * 1989-08-02 1991-02-21 Eastman Kodak Company Method and apparatus for transporting and liquid treating indeterminate lengths of web material
US6294020B1 (en) * 1996-08-19 2001-09-25 Heidelberger Druckmaschinen Ag Device for applying photoresist to a base body surface
US6530246B1 (en) * 1997-12-24 2003-03-11 Joachim Hausmann Method and device for fiber impregnation

Also Published As

Publication number Publication date
GB1367307A (en) 1974-09-18
JPS5017257B1 (enrdf_load_stackoverflow) 1975-06-19
FR106318A (enrdf_load_stackoverflow)
NL7113470A (enrdf_load_stackoverflow) 1972-05-24
DE2144315A1 (de) 1972-05-31
FR2106318A5 (enrdf_load_stackoverflow) 1972-04-28
IT939032B (it) 1973-02-10

Similar Documents

Publication Publication Date Title
US4299902A (en) Image forming process and apparatus therefor
US3718080A (en) Device for developing two-component diazo photosensitive material
DE69126658D1 (de) Mehrfarbiges entwicklungssystem mit abnehmbaren flüssigkeitspatronen
US3359945A (en) Development of electrostatic images
US3814054A (en) Fibrous roll impregnated with developer liquid and method of making same
US4397936A (en) Method of fixing developed electrophotographic images uses oil absorbing smoothing roller
US2524818A (en) Light-sensitive print development apparatus
US3027822A (en) Diazotype developing apparatus
US1057712A (en) Apparatus for developing photographs.
US6212355B1 (en) Oil metering supply apparatus and method for applying an evenly distributed release oil onto a fuser roller
US3446649A (en) Developing electrostatic images with a liquid developer
US2839978A (en) Slip screen structure for dry-type developing machines
US3565523A (en) Vapor reproducing apparatus
US6072978A (en) Device for applying release agent to the surface of a fixing roller of an electrographic printer or copier
US20030186796A1 (en) Oil-coating roller
US3653242A (en) Apparatus for treating a continuous body under pressure
US2887029A (en) Developer feed tank apparatus
JPS56128983A (en) Fixing device
US4394431A (en) Method for developing an electrostatic latent image with a liquid developer
JPS55159469A (en) Wet type developing device
USRE13815E (en) Apparatus fob developing photographs
US3330195A (en) Copy machine developing apparatus
JPS6037561Y2 (ja) ジアゾ複写機の現像装置
US3537377A (en) Developing device for document copying apparatus
JPS60151680A (ja) 定着装置