US3878622A - Photographic copying apparatus - Google Patents

Photographic copying apparatus Download PDF

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Publication number
US3878622A
US3878622A US303001A US30300172A US3878622A US 3878622 A US3878622 A US 3878622A US 303001 A US303001 A US 303001A US 30300172 A US30300172 A US 30300172A US 3878622 A US3878622 A US 3878622A
Authority
US
United States
Prior art keywords
drying chamber
rolls
heating plate
copy
liquid developer
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
US303001A
Other languages
English (en)
Inventor
Welhelm Knechtel
Gerhard Petersdorf
Winfried Sandner
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to US05/569,611 priority Critical patent/US3991483A/en
Application granted granted Critical
Publication of US3878622A publication Critical patent/US3878622A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/11—Removing excess liquid developer, e.g. by heat

Definitions

  • ABSTRACT A photographic copying apparatus of the type in which a copy is guided through a hermetically sealed drying chamber disposed behind a developing liquid tank so that the copy may be dried by heat produced in the drying chamber is improved in that at least one heating plate is provided for guiding the copy thereon.
  • such object may be achieved by providing at least one heating plate for guiding a copy thereon.
  • the heating plate may preferably comprise an aluminum plate having heating coils contained therein.
  • the temperature of the heating plate may be very accurately measured and controlled by a temperature sensor.
  • the temperature of the aluminum plate may always be maintained at a level lower than the fire point of developing liquid vapor and higher than the gasification point of the developing liquid. This ensures satisfactory drying of the copy to be accomplished without the danger of explosion of the vapor.
  • transport means especially transport rolls disposed on and in opposed relationship with the heating plate.
  • the transport means should urge the copy against the heating plate lightly or resiliently.
  • the copy may be raised away from the aluminum plate due to a vapor cushion formed between the copy and the heating plate so that the copy may be transported without any friction produced.
  • the upper surface of the aluminum plate may have a lower friction coefficient.
  • the upper surface of the aluminum plate may preferably be covered with a coating layer such as Teflon layer.
  • a number of transport rolls are used and each of them may be disposed on a heating coil and in opposed relationship with the heating coil position. i.e. a maximum temperature position.
  • Each transport roll may preferably be covered with fur. velvet or like material so that the substantial transportation of the. copy may be effected by the hair of the fur or velvet.
  • the fur or velvet may preferably be in the form of a strip and wound helically around each transport roll.
  • the first and the last of the transport rolls may be arranged so that they also seal the entrance and exit of the drying chamber. respectively.
  • Such arrangement is especially advantageous in that where the heating plate itself is the outer wall of the drying chamber. the hair of the coating layers on the first and last transport rolls provides a filler with respect not only to the aluminum plate but also to the ceiling of the drying chamber.
  • the heating plate may be a flat aluminum plate as described above. or a member similar thereto.
  • two heating shoes in the horseshoe shape and surrounding respective transport rolls may be provided in the drying chamber. These transport rolls may also be covered with fur or velvet as in the aforesaid case.
  • This embodiment provides a very much space-saving device as by arranging the two heating shoes so that a copy may enter the second heating shoe as soon it leaves the first heating shoe.
  • FIG. 1 schematically illustrates a first embodiment of the present invention
  • FIG. 2 illustrates a second embodiment
  • FIG. 3 shows in detail a portion of the apparatus of FIG. 1.
  • a copy I coming in from an unshown developer tank passes through an opening 2 in the direction of arrow 3 to reach a drying chamber 4.
  • the lower wall of the drying chamber is formed of an aluminum plate 5.
  • the aluminum plate 5 has a number of hollow chamber 6.
  • a heating coil 7 is mounted in each of the hollow chambers.
  • Transport rolls 8 are disposed above the heating coils and provided with coating layers of velvet 9. The hair of the velvet 9 urges the copy 1 against the surface 10 of the aluminum plate and moves the copy until it leaves an outlet opening 11.
  • the upper portion of the drying chamber is covered with an adiabatic material 12. Any vapor produced from developing liquid during the drying is directed through a discharge tube 13 to a condenser 13.
  • the velvet hair on the transport rolls is not only useful for the transportation of the copy.
  • the velvet hair between transport rolls 8' and 8" is also useful to seal the interior of the drying chamber 4 with respect to the openings 2 and II. For this reason. the rolls 8' and'8" contact not only the surface of the aluminum plate 5 but also the end walls 14 and 15 of the drying chamber 4.
  • the surface 10 of the aluminum plate 5 is covered with a Teflon layer I6 which facilitates the sliding movement of the copy I on the aluminum plate 5.
  • the Teflon layer is provided simply for the sake of safety and reliability because when the aluminum plate 5 is at an operating temperature a vapor cushion is usually formed between the copy 1 and the aluminum plate 5 to thereby raise the copy 1 slightly from the aluminum plate 5 so as to urge the copy against the rolls 8.
  • the rolls 8 are disposed above the heating coils in opposed relationship therewith so that the pressure force of the ,rolls is applied to the copy at the maximum temperature positions.
  • a velvet strip l9 is helically wound around the body of each roll 8.
  • the copy 1 is guided into a drying chamber 21 by transport rolls 20.
  • a velvet or fur strip is wound on a roll 22 in the drying chamber, which roll guides thecopy 1 around a heating shoe 23 formed in. the horseshoe shape.
  • the heating shoe 23 As soon as the copy passes the heating shoe 23, it enters another heating shoe 24 and is transported by a roll 25. When it reaches a point designated at 26., the copy is nipped between .-another set of transport rolls 27 for discharge.
  • a temperature sensor 30 normally measures the temperature of the aluminum plate 5 and limitsthe conduction of electrical energy.
  • heating shoes'23 and 24 of FIG. 2 are similarly pro- 'vided with temperature sensors. 7
  • a copy device capable of implementing liquid development, drying and fixing comprising an air tight with said heating plate.
  • said harmful air containing liquid developer vapor in said drying chamber being sucked out by said discharge tube means and the pressure in said drying chamber being maintained at a pressure lower than the atmospheric pressure so as to prevent said harmful air from being discharged to the extenor.
  • heating plate is an aluminum plate having heating coils contained therein.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fixing For Electrophotography (AREA)
  • Drying Of Solid Materials (AREA)
US303001A 1971-11-06 1972-11-02 Photographic copying apparatus Expired - Lifetime US3878622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/569,611 US3991483A (en) 1971-11-06 1975-04-21 Photographic copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712155248 DE2155248B2 (de) 1971-11-06 1971-11-06 Trockeneinrichtung fuer nass entwickelte kopien

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/569,611 Division US3991483A (en) 1971-11-06 1975-04-21 Photographic copying apparatus

Publications (1)

Publication Number Publication Date
US3878622A true US3878622A (en) 1975-04-22

Family

ID=5824414

Family Applications (1)

Application Number Title Priority Date Filing Date
US303001A Expired - Lifetime US3878622A (en) 1971-11-06 1972-11-02 Photographic copying apparatus

Country Status (7)

Country Link
US (1) US3878622A (de)
JP (2) JPS5510072B2 (de)
CA (1) CA1035573A (de)
DE (1) DE2155248B2 (de)
FR (1) FR2160022A5 (de)
GB (1) GB1416437A (de)
IT (1) IT973372B (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991483A (en) * 1971-11-06 1976-11-16 Canon Kabushiki Kaisha Photographic copying apparatus
US3997977A (en) * 1972-12-26 1976-12-21 Canon Kabushiki Kaisha Developing liquid recovery device in a copying machine
US4059394A (en) * 1974-09-05 1977-11-22 Ricoh Co., Ltd. Heat fixing apparatus for use in a wet electrophotographic copying machine
US4359938A (en) * 1980-12-19 1982-11-23 Koren Edward F Printing roller for removing hickeys
US4545671A (en) * 1983-12-02 1985-10-08 Eastman Kodak Company Apparatus for guiding and cooling a heated image-carrying support
US4745432A (en) * 1987-01-30 1988-05-17 Xerox Corporation Liquid ink fusing system
US5788803A (en) * 1996-10-16 1998-08-04 Interfic, Inc. Corrugated paperboard manufacturing apparatus with controllable preheating
US5837974A (en) * 1996-10-16 1998-11-17 Interfic, Inc. Corrugated paperboard manufacturing apparatus with board profile monitoring and related methods
US5847362A (en) * 1996-10-16 1998-12-08 Interfic, Inc. Corrugated paperboard manufacturing apparatus providing controllable heat and related methods
US5902502A (en) * 1996-10-16 1999-05-11 Interfic, Inc. Corrugated paperboard manufacturing apparatus and related methods
US10184897B2 (en) 2014-04-04 2019-01-22 Packaging Corporation Of America System and method for determining an impact of manufacturing processes on the caliper of a sheet material

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890721A (en) * 1972-12-26 1975-06-24 Canon Kk Developing liquid recovery device in a copying machine
JPS5624953B2 (de) * 1973-11-30 1981-06-09
JPS5638518Y2 (de) * 1973-11-09 1981-09-08
JPS5075340U (de) * 1973-11-09 1975-07-01
JPS50155234A (de) * 1974-06-04 1975-12-15
JPS50159342A (de) * 1974-06-11 1975-12-23
JPS5169633A (en) * 1974-12-13 1976-06-16 Canon Kk Kanetsuteichakusochi
FR2365090A1 (fr) * 1976-09-17 1978-04-14 Cellophane Sa Dispositif de sechage d'un materiau continu ou en feuille, et machine de reproduction utilisant un tel dispositif
JPS5573959U (de) * 1978-11-16 1980-05-21
JPS5520598A (en) * 1979-07-03 1980-02-14 Japan Storage Battery Co Ltd Output control system for constant current device
US4384783A (en) * 1980-07-10 1983-05-24 Iwatsu Electric Co., Ltd. Fixing device for wet-type electrophotographic copying machines
JPH0116949Y2 (de) * 1980-08-26 1989-05-17
JPS5842532A (ja) * 1981-09-02 1983-03-12 Nikko Kk バツチヤ−プラントの材料供給装置制御方法
JPS58213186A (ja) * 1982-06-07 1983-12-12 Mitsubishi Heavy Ind Ltd 空冷熱交換器の製造方法
JPS59130962U (ja) * 1983-02-22 1984-09-03 住友軽金属工業株式会社 熱交換器
JPS6091977U (ja) * 1983-11-28 1985-06-24 住友軽金属工業株式会社 熱交換器
US4733272A (en) * 1986-07-17 1988-03-22 Xerox Corporation Filter regeneration in an electrophotographic printing machine
JPS63112065A (ja) * 1986-10-30 1988-05-17 Showa Alum Corp 空気調和機用アルミニウム製凝縮器
JPH0624845Y2 (ja) * 1986-12-25 1994-06-29 岩崎通信機株式会社 湿式電子写真製版機の定着装置

Citations (15)

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US1943874A (en) * 1931-08-31 1934-01-16 Fmc Corp Drier
US2046047A (en) * 1932-09-15 1936-06-30 Libbey Owens Ford Glass Co Apparatus for the manufacture of safety glass
US2434541A (en) * 1944-03-04 1948-01-13 Boston Woven Hose & Rubber Co Manufacture of thermoplastic materials
US2933825A (en) * 1956-11-19 1960-04-26 Paper Converting Machine Co Moisture removal system
US3071866A (en) * 1959-09-14 1963-01-08 Miami Herald Publishing Compan High speed photographic print drying machine
US3229620A (en) * 1962-12-03 1966-01-18 Reece Folding Machine Co Machine for bonding together laminated sheets
US3345937A (en) * 1961-02-16 1967-10-10 Kusters Calender roll for pressure treating materials
US3374769A (en) * 1965-12-06 1968-03-26 Xerox Corp Toner fusing apparatus
US3435751A (en) * 1966-11-03 1969-04-01 Gaf Corp Photocopy developing apparatus
US3445906A (en) * 1966-09-07 1969-05-27 Sw Ind Inc Construction of roll for machinery
US3448970A (en) * 1967-08-04 1969-06-10 Addressograph Multigraph Fuser for electrostatic images
US3467009A (en) * 1965-07-06 1969-09-16 Grace W R & Co Compressible printing roll
US3657068A (en) * 1970-01-07 1972-04-18 Orr Felt Co The Papermaking felt
US3659348A (en) * 1970-05-27 1972-05-02 Eastman Kodak Co Apparatus for fusing xerographic toners
US3740867A (en) * 1971-05-03 1973-06-26 Minolta Camera Kk Drier in copier

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012839A (en) * 1954-07-15 1961-12-12 Burroughs Corp Electrographic printer
DE1085424B (de) * 1958-02-01 1960-07-14 Agfa Ag Vorrichtung zur Herstellung von direkten Positivbildern nach dem Silbersalzdiffusionsverfahren
US3349222A (en) * 1964-07-02 1967-10-24 Stromberg Carlson Corp Device for contact heating of moving sheet material
DE1813962C3 (de) * 1967-12-20 1975-04-24 Kabushiki Kaisha Ricoh, Tokio Trockenvorrichtung für Aufzeichnungsmaterial in elektrofotografischen Vervielfältigungsgeräten mit flüssiger Entwicklung
US3517164A (en) * 1968-07-22 1970-06-23 Addressograph Multigraph Image fusing assembly
US3529360A (en) * 1968-11-04 1970-09-22 Olivetti & Co Spa Reprographic output feed system
DE2001673A1 (de) * 1969-03-13 1970-10-01 Addressograph Multigraph Schmelzgeraet fuer mit Tonermaterial auf elektrostatischem Wege hergestellte Abbildungen auf Bildtraegern

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943874A (en) * 1931-08-31 1934-01-16 Fmc Corp Drier
US2046047A (en) * 1932-09-15 1936-06-30 Libbey Owens Ford Glass Co Apparatus for the manufacture of safety glass
US2434541A (en) * 1944-03-04 1948-01-13 Boston Woven Hose & Rubber Co Manufacture of thermoplastic materials
US2933825A (en) * 1956-11-19 1960-04-26 Paper Converting Machine Co Moisture removal system
US3071866A (en) * 1959-09-14 1963-01-08 Miami Herald Publishing Compan High speed photographic print drying machine
US3345937A (en) * 1961-02-16 1967-10-10 Kusters Calender roll for pressure treating materials
US3229620A (en) * 1962-12-03 1966-01-18 Reece Folding Machine Co Machine for bonding together laminated sheets
US3467009A (en) * 1965-07-06 1969-09-16 Grace W R & Co Compressible printing roll
US3374769A (en) * 1965-12-06 1968-03-26 Xerox Corp Toner fusing apparatus
US3445906A (en) * 1966-09-07 1969-05-27 Sw Ind Inc Construction of roll for machinery
US3435751A (en) * 1966-11-03 1969-04-01 Gaf Corp Photocopy developing apparatus
US3448970A (en) * 1967-08-04 1969-06-10 Addressograph Multigraph Fuser for electrostatic images
US3657068A (en) * 1970-01-07 1972-04-18 Orr Felt Co The Papermaking felt
US3659348A (en) * 1970-05-27 1972-05-02 Eastman Kodak Co Apparatus for fusing xerographic toners
US3740867A (en) * 1971-05-03 1973-06-26 Minolta Camera Kk Drier in copier

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991483A (en) * 1971-11-06 1976-11-16 Canon Kabushiki Kaisha Photographic copying apparatus
US3997977A (en) * 1972-12-26 1976-12-21 Canon Kabushiki Kaisha Developing liquid recovery device in a copying machine
US4059394A (en) * 1974-09-05 1977-11-22 Ricoh Co., Ltd. Heat fixing apparatus for use in a wet electrophotographic copying machine
US4359938A (en) * 1980-12-19 1982-11-23 Koren Edward F Printing roller for removing hickeys
US4545671A (en) * 1983-12-02 1985-10-08 Eastman Kodak Company Apparatus for guiding and cooling a heated image-carrying support
US4745432A (en) * 1987-01-30 1988-05-17 Xerox Corporation Liquid ink fusing system
US5788803A (en) * 1996-10-16 1998-08-04 Interfic, Inc. Corrugated paperboard manufacturing apparatus with controllable preheating
US5837974A (en) * 1996-10-16 1998-11-17 Interfic, Inc. Corrugated paperboard manufacturing apparatus with board profile monitoring and related methods
US5847362A (en) * 1996-10-16 1998-12-08 Interfic, Inc. Corrugated paperboard manufacturing apparatus providing controllable heat and related methods
US5902502A (en) * 1996-10-16 1999-05-11 Interfic, Inc. Corrugated paperboard manufacturing apparatus and related methods
US10184897B2 (en) 2014-04-04 2019-01-22 Packaging Corporation Of America System and method for determining an impact of manufacturing processes on the caliper of a sheet material

Also Published As

Publication number Publication date
DE2155248A1 (de) 1973-05-17
GB1416437A (en) 1975-12-03
CA1035573A (en) 1978-08-01
IT973372B (it) 1974-06-10
FR2160022A5 (de) 1973-06-22
DE2155248B2 (de) 1977-01-13
JPS4854947A (de) 1973-08-02
AU4831472A (en) 1974-05-02
JPS5540495A (en) 1980-03-21
JPS5510072B2 (de) 1980-03-13

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