US3800432A - Photo-sensitive sheet drying apparatus - Google Patents

Photo-sensitive sheet drying apparatus Download PDF

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US3800432A
US3800432A US00172100A US3800432DA US3800432A US 3800432 A US3800432 A US 3800432A US 00172100 A US00172100 A US 00172100A US 3800432D A US3800432D A US 3800432DA US 3800432 A US3800432 A US 3800432A
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conveyor means
photo
sheet
conveyor
sensitive sheet
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US00172100A
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T Miyata
T Ogawa
S Hamada
S Watanabe
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Fujifilm Holdings Corp
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Fuji Photo Film Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts

Definitions

  • This invention relates to an apparatus for drying wet photo-sensitive sheets, and more particularly to a dryer of the type using a conveyor means against which the wet photo-sensitive sheet is pushed by a stream of gas blowing onto the sheet to dry thesame.
  • the automatic transporting type photo-sensitive sheet drying apparatus which is commonly used comprises a roller conveyor.
  • the photo-sensitive sheet tends to curl in the course of the drying operation because of the difference in the thermal elongations of a relatively thick gelatine coating on one surface of a film base sheet and a relatively thin gelatine coating on the other surface of the film base, and when the curled end of the photo-sensitive sheet is caught in the conveyor, it will turn aside from the passageway, defined by the conveyor, and therefore cannot be carried further.
  • the automatic transporting type dryer which is also commonly used, comprises two parallel belt conveyors between which the photosensitive sheet is closely gripped. This dryer will not allow the photo-sensitive sheet to curl, and therefore it can convey the photosensitive sheet which has a strong inclination to curl when dried. However, the wet photo-sensitive sheet cannot be dried evenly, and the pattern of stripe traces of the belt remains on the photo-sensitive sheet after it has been dried, thus deteriorating the appearance or image quality of the photo-sensitive sheet.
  • a dryer of the type to which this invention relates comprises upper and lower conveyors.
  • the photosensitive sheet is pushed against one of these conveyors by a stream of drying gas and is carried by said one conveyor.
  • the fore and/or rear end of the sheet will curl increasingly until the curled end of the sheet touches the surface of the lower conveyor belt and is caught in the conveyor, thus preventing the sheet from further travelling or causing the following sheet to reach and overtake the retarded sheet.
  • the object of this invention is to provide a photosensitive sheet drying apparatus capable of smoothly transporting the photo-sensitive sheet which will tend to curl while it is subjected to the drying operation, and of drying the sheet without deteriorating the appearance or picture quality thereof.
  • the drying apparatus which comprises upper and lower conveyors moving at equi-speed in one direction and transporting the photo-sensitive sheet, which exists between the upper and lower conveyors and is pushed against one of these conveyors by a stream of drying gas blowing from a perforated plate through the other conveyor.
  • conveyor used hereinafter, indicates a belt type conveyor, a roller type conveyor and other conveyors of any type.
  • FIG. 1 shows one embodiment of this invention having upper and lower conveyor belts of a material capable of air passage
  • FIG. 2 shows another embodiment having upper and lower conveyor belts both consisting of an arrangement of staggered rollers
  • FIG. 3 depicts a different embodiment whose upper and lower conveyors consist of an air-passing belt and an arrangement of rollers respectively;
  • FIG. 4 shows an embodiment similar to that shown in FIG. 3, but the upper conveyor thereof consists of an arrangement of staggered rollers whereas the lower conveyor consists of an air-passing belt;
  • FIG. 5 is a plan view of a air-passing belt
  • FIG. 6 is a plan view of an arrangement of staggered rollers.
  • FIG. 7 shows an embodiment of this invention whose air-passing plate has a number of air holes slanting with respect to the travelling direction of the conveyor.
  • the upper and lower conveyors l1 and 12 of the apparatus each consists of an airpassing belt. These conveyors move at equi-speed in the same direction.
  • the photo-sensitive sheet 3 is pushed against the upper conveyor belt 7 by a stream of drying gas passing through the lower conveyor belt 8.
  • the fore and rear ends of the photo-sensitive sheet 3 curl increasingly with the progress of the drying operation until the curled ends of the sheet 3 have touched the surface of the lower belt 12, travelling with the conveyors l1 and 12.
  • the stream of air from a fan 4 is heated after passing through a heat source 5 and then the warm air stream blows from numerous air holes 6 through the lower conveyor belt 8, thus pushing the photo-sensitive sheet 3 against the upper conveyor belt 11. Then, the photo-sensitive sheet 3 can be carried by the upper belt conveyor 11. In the course of the drying operation the fore and rear ends of the sheet curl increasingly until the ends of the sheet have been brought in close contact with the lower conveyor belt 12 which travels at the same speed and in the same direction as the upper conveyor belt 11. Thus, the photo-sensitive sheet will not be caught in the conveyor and it will be smoothly carried without being lowered in the quality of its appearance or image.
  • the upper and lower conveyors 21 and 22 consist of an arrangement of numerous staggered rollers 13.
  • a stream of air from a fan 4 is heated by a heater 5, and then the warm air blows from numerous air holes 6 to pass through the lower conveyor 22 to the photo-sensitive sheet 3 which is pushed against the upper conveyor 21, and is carried by the same.
  • the fore and/or rear ends of the sheet will curl increasingly in the course of drying until the curled end of the sheet touches on the surface of the lower conveyor. This, however, will cause no trouble because the lower conveyor 22 travels at the same speed and in the same direction as the upper conveyor 21. Otherwise, the curled end of the sheet will be caught in the lower conveyor.
  • the sheet will be put aside from the passage, or it will be retarded and finally the following sheet will reach and overtake the retarded sheet. As a matter of course, this will cause malfunction in the dryer.
  • the degree of curling will be suppressed somewhat by the upward stream of air to cause the curled end of the sheet to rise.
  • the upper conveyor 31 consists of an airpassing belt whereas the lower conveyor 32 consists of an arrangement of staggered rollers.
  • the upper conveyor 41 consists of an arrangement of staggered rollers whereas the lower conveyor 42 consists of an air-passing belt.
  • the air-passing belt suitable for use in the apparatus of this invention consists of a net of a cellulose or a synthetic resin as shown in FIG. 5. Alternatively a plurality of strings stretched in the same direction as the travelling direction of the photo-sensitive sheet can be used.
  • the belt can be made ofa porous substance which must be thermostable at the temperature of 1 C.
  • the arrangement of numerous staggered rollers is shown in FIG. 6.
  • the staggering arrangement prevents the curled end of the photo-sensitive sheet from protruding from the space between the adjacent rods to which the rollers are fixed.
  • a photo-sensitive sheet drying apparatus comprising:
  • first and second conveyor means being spaced such as to enable only the ends of the sheet to touch said first conveyor means while an intermediate portion of the sheet contacts the second conveyor means when there has been sufficient drying to cause curling of the sheet.
  • a photo-sensitive sheet drying apparatus according to claim 1 wherein said first conveyor means comprises a reticulate belt.
  • a photo-sensitive sheet drying apparatus according to claim 1 wherein both of said conveyor means comprise an arrangement of staggered rollers.
  • one of said conveyor means comprises a reticulate belt whereas the other conveyor means comprises an arrangement of staggered rollers.
  • said means for directing a stream of gas comprises a perforated plate having numerous air holes normal to the travelling direction of said conveyor means.
  • said means for directing a stream of gas comprises a perforated plate having numerous holes slanting in the travelling direction of said conveyor means.
  • a photo-sensitive sheet drying apparatus according to claim 1 wherein at least said second conveyor means comprises a crosswise staggered arrangement of disc roller elements.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Advancing Webs (AREA)

Abstract

An improvement of a photo-sensitive sheet drying apparatus having upper and lower conveyor belts arranged lengthwise in the parallel relationship. The apparatus has means to drive these conveyor belts at equi-speed in one direction, thus assuring the smooth transportation of photo-sensitive sheets in the course of the drying operation without the curled end of the wet sheet catching when dried.

Description

United States Pateni Miyata et al. Apr. 2, 1974 [54] PHOTO-SENSITIVE SHEET DRYING 3,369,306 2/1968 Evans 34/162 APPARATUS 3,434,225 3 1969 Knibiehly... 34/160 3,405,456 10/1968 Shepherd 34/155 lflvemorsl Tomlflkl y ShmJl Ramada; 3,328,895 7/1967 Krone et al. 34 68 Shigenobu Watanabe; Toshiko 3,199,213 8/1965 Milligan 01. a]. 34/13.8 Ogawa, all of Kanagawa-ken, Japan 3,071,866 1/1963 Mangus 34/73 n 1,560,579 11 1925 Jones 1 34/155 Asslgneei FIlJl ShaShIn1 Fllm Kabushlkl Kalsha, 1,426,095 8 1922 Parker 34/155 Ashlgarakaml-gun, Kanagawa-ken, J an FOREIGN PATENTS OR APPLICATIONS 742,858 2/1952 Germany 1. 34/155 [22] 1971 288,139 6/1929 Great Britain 34/162 [21] App]. No.: 172,100
Primary Examiner-Meyer Perlin 30 Foreign Application priority m Assistant ExaminerPaul Devinsky Aug. 20, 1970 Japan 45-72923 [57] ABSTRACT [52] US. Cl 34/151, 34/155, 34/152 51 Int.C1. ..1F26b13/10 A"mPmVePemofaphcto'senstvesheedrymgap' [58] Field 61 Search 34/155, 162, 151, 152, Params havmg and belts ranged IengthWiSe in the parallel relationship. The ap- 198/'165.271/45 paratus has means to drive these conveyor belts at equi-speed in one direction, thus assuring the smooth f hoto-sensitive sheets in the course [56] References Cited transportailon 0 p UNITED STATES PATENTS of the drying OIL-12110 without the curled end of the wet sheet catching when dried. 3,681,853 8/1972 Reid 34/151 3,440,944 4/1969 Endermann et a1. 34/155 8 Claims, 7 Drawing Figures PAIENIEDAPR 2 m4 3800.432
- sum 1 or 2 ezagg mm PATENIEB APR 2 74 SHEET 2 0F 2 PIC-3.5
1 PHOTO-SENSITIVE SHEET DRYINGHAPPARATUS This invention relates to an apparatus for drying wet photo-sensitive sheets, and more particularly to a dryer of the type using a conveyor means against which the wet photo-sensitive sheet is pushed by a stream of gas blowing onto the sheet to dry thesame.
The automatic transporting type photo-sensitive sheet drying apparatus which is commonly used comprises a roller conveyor. The photo-sensitive sheet tends to curl in the course of the drying operation because of the difference in the thermal elongations of a relatively thick gelatine coating on one surface of a film base sheet and a relatively thin gelatine coating on the other surface of the film base, and when the curled end of the photo-sensitive sheet is caught in the conveyor, it will turn aside from the passageway, defined by the conveyor, and therefore cannot be carried further.
The automatic transporting type dryer which is also commonly used, comprises two parallel belt conveyors between which the photosensitive sheet is closely gripped. This dryer will not allow the photo-sensitive sheet to curl, and therefore it can convey the photosensitive sheet which has a strong inclination to curl when dried. However, the wet photo-sensitive sheet cannot be dried evenly, and the pattern of stripe traces of the belt remains on the photo-sensitive sheet after it has been dried, thus deteriorating the appearance or image quality of the photo-sensitive sheet.
A dryer of the type to which this invention relates, comprises upper and lower conveyors. The photosensitive sheet is pushed against one of these conveyors by a stream of drying gas and is carried by said one conveyor. When the wet photo-sensitive sheet is dried, the fore and/or rear end of the sheet will curl increasingly until the curled end of the sheet touches the surface of the lower conveyor belt and is caught in the conveyor, thus preventing the sheet from further travelling or causing the following sheet to reach and overtake the retarded sheet.
The object of this invention is to provide a photosensitive sheet drying apparatus capable of smoothly transporting the photo-sensitive sheet which will tend to curl while it is subjected to the drying operation, and of drying the sheet without deteriorating the appearance or picture quality thereof.
This object has been attained by the drying apparatus according to this invention which comprises upper and lower conveyors moving at equi-speed in one direction and transporting the photo-sensitive sheet, which exists between the upper and lower conveyors and is pushed against one of these conveyors by a stream of drying gas blowing from a perforated plate through the other conveyor.
The term conveyor used hereinafter, indicates a belt type conveyor, a roller type conveyor and other conveyors of any type.
This invention will be better understood from the following description which is made with reference to the accompanying drawings in which:
FIG. 1 shows one embodiment of this invention having upper and lower conveyor belts of a material capable of air passage;
FIG. 2 shows another embodiment having upper and lower conveyor belts both consisting of an arrangement of staggered rollers;
FIG. 3 depicts a different embodiment whose upper and lower conveyors consist of an air-passing belt and an arrangement of rollers respectively;
FIG. 4 shows an embodiment similar to that shown in FIG. 3, but the upper conveyor thereof consists of an arrangement of staggered rollers whereas the lower conveyor consists of an air-passing belt;
FIG. 5 is a plan view of a air-passing belt;
FIG. 6 is a plan view of an arrangement of staggered rollers; and
FIG. 7 shows an embodiment of this invention whose air-passing plate has a number of air holes slanting with respect to the travelling direction of the conveyor.
Referring to FIG. 1, the upper and lower conveyors l1 and 12 of the apparatus each consists of an airpassing belt. These conveyors move at equi-speed in the same direction.
The photo-sensitive sheet 3 is pushed against the upper conveyor belt 7 by a stream of drying gas passing through the lower conveyor belt 8. The fore and rear ends of the photo-sensitive sheet 3 curl increasingly with the progress of the drying operation until the curled ends of the sheet 3 have touched the surface of the lower belt 12, travelling with the conveyors l1 and 12.
More specifically, the stream of air from a fan 4 is heated after passing through a heat source 5 and then the warm air stream blows from numerous air holes 6 through the lower conveyor belt 8, thus pushing the photo-sensitive sheet 3 against the upper conveyor belt 11. Then, the photo-sensitive sheet 3 can be carried by the upper belt conveyor 11. In the course of the drying operation the fore and rear ends of the sheet curl increasingly until the ends of the sheet have been brought in close contact with the lower conveyor belt 12 which travels at the same speed and in the same direction as the upper conveyor belt 11. Thus, the photo-sensitive sheet will not be caught in the conveyor and it will be smoothly carried without being lowered in the quality of its appearance or image.
In FIG. 2, the upper and lower conveyors 21 and 22 consist of an arrangement of numerous staggered rollers 13. A stream of air from a fan 4 is heated by a heater 5, and then the warm air blows from numerous air holes 6 to pass through the lower conveyor 22 to the photo-sensitive sheet 3 which is pushed against the upper conveyor 21, and is carried by the same. The fore and/or rear ends of the sheet will curl increasingly in the course of drying until the curled end of the sheet touches on the surface of the lower conveyor. This, however, will cause no trouble because the lower conveyor 22 travels at the same speed and in the same direction as the upper conveyor 21. Otherwise, the curled end of the sheet will be caught in the lower conveyor. As a result, the sheet will be put aside from the passage, or it will be retarded and finally the following sheet will reach and overtake the retarded sheet. As a matter of course, this will cause malfunction in the dryer. Advantageously, the degree of curling will be suppressed somewhat by the upward stream of air to cause the curled end of the sheet to rise.
In FIG. 3 the upper conveyor 31 consists of an airpassing belt whereas the lower conveyor 32 consists of an arrangement of staggered rollers. In FIG. 4 the upper conveyor 41 consists of an arrangement of staggered rollers whereas the lower conveyor 42 consists of an air-passing belt. In these embodiments, similar to others shown in FIGS. 1 and 2, a stream of warm air passes through the lower conveyor belt and dries the wet photo-sensitive sheet while pushing the same against the upper conveyor belt.
The air-passing belt suitable for use in the apparatus of this invention consists of a net of a cellulose or a synthetic resin as shown in FIG. 5. Alternatively a plurality of strings stretched in the same direction as the travelling direction of the photo-sensitive sheet can be used. The belt can be made ofa porous substance which must be thermostable at the temperature of 1 C.
The arrangement of numerous staggered rollers is shown in FIG. 6. The staggering arrangement prevents the curled end of the photo-sensitive sheet from protruding from the space between the adjacent rods to which the rollers are fixed.
The use of air holes slanting with respect to the travelling direction of the photo-sensitive sheet as shown in FIG. 7 assures a smooth stream of air along the underface of the sheet without fluttering the sheet, and therefore such slant holes are useful in positioning the sheet in place. In other words, the slant holes will not cause the distortion in the stream of air which would take place in striking against the sheet in the normal direction and flowing along the surface of the sheet in the opposite directions.
What is claimed is:
l. A photo-sensitive sheet drying apparatus comprising:
a. a first conveyor means which is permeable to a stream of gas;
b. a second conveyor means vertically spaced apart from said first conveyor means, said first and second conveyor means being lengthwise parallel to each other;
c. means for simultaneously moving said first and second conveyor means in the same direction and at equal speeds, said first and second conveyor means being capable of guiding between them a photosensitive sheet; and
d. means for supplying and directing a stream of gas through said first conveyor means towards said second conveyor means, said first and second conveyor means being spaced such as to enable only the ends of the sheet to touch said first conveyor means while an intermediate portion of the sheet contacts the second conveyor means when there has been sufficient drying to cause curling of the sheet.
2. A photo-sensitive sheet drying apparatus according to claim 1 wherein said first conveyor means comprises a reticulate belt.
3. A photo-sensitive sheet drying apparatus according to claim 1 wherein both of said conveyor means comprise an arrangement of staggered rollers.
4. An apparatus according to claim 1 wherein one of said conveyor means comprises a reticulate belt whereas the other conveyor means comprises an arrangement of staggered rollers.
5. An apparatus according to claim 1 wherein said means for directing a stream of gas comprises a perforated plate having numerous air holes normal to the travelling direction of said conveyor means.
6. An apparatus according to claim 1 wherein said means for directing a stream of gas comprises a perforated plate having numerous holes slanting in the travelling direction of said conveyor means.
7. An apparatus according to claim 1 wherein said stream of gas is sufficient to force a wet, photosensitive sheet against said second conveyor means.
8. A photo-sensitive sheet drying apparatus according to claim 1 wherein at least said second conveyor means comprises a crosswise staggered arrangement of disc roller elements.

Claims (8)

1. A photo-sensitive sheet drying apparatus comprising: a. a first conveyor means which is permeable to a stream of gas; b. a second conveyor means vertically spaced apart from said first conveyor means, said first and second conveyor means being lengthwise parallel to each other; c. means for simultaneously moving said first and second conveyor means in the same direction and at equal speeds, said first and second conveyor means being capable of guiding between them a photo-sensitive sheet; and d. means for supplying and directing a stream of gas through said first conveyor means towards said second conveyor means, said first and second conveyor means being spaced such as to enable only the ends of the sheet to touch said first conveyor means while an intermediate portion of the sheet contacts the second conveyor means when there has been sufficient drying to cause curling of the sheet.
2. A photo-sensitive sheet drying apparatus according to claim 1 wherein said first conveyor means comprises a reticulate belt.
3. A photo-sensitive sheet drying apparatus according to claim 1 wherein both of said conveyor means comprise an arrangement of staggered rollers.
4. An apparatus according to claim 1 wherein one of said conveyor means comprises a reticulate belt whereas the other conveyor means comprises an arrangement of staggered rollers.
5. An apparatus according to claim 1 wherein said means for directing a stream of gas comprises a perforated plate having numerous air holes normal to the travelling direction of said conveyor means.
6. An apparatus according to claim 1 wherein said means for directing a stream of gas comprises a perforated plate having numerous holes slanting in the travelling direction of said conveyor means.
7. An apparatus according to claim 1 wherein said stream of gas is sufficient to force a wet, photo-sensitive sheet against said second conveyor means.
8. A photo-sensitive sheet drying apparatus according to claim 1 wherein at least said second conveyor means comprises a crosswise staggered arrangement of disc roller elements.
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Cited By (16)

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US4084806A (en) * 1976-11-10 1978-04-18 Eastman Kodak Company Sheet handling apparatus
DE2747013A1 (en) * 1976-10-20 1978-04-27 Ciba Geigy Ag PROCESS AND EQUIPMENT FOR DRYING PHOTOGRAPHIC MATERIAL
US4106767A (en) * 1975-12-12 1978-08-15 G.A.O. Gesellschaft Fur Automation Und Organisation Mbh Conveyor system for flat articles
US4181420A (en) * 1976-12-30 1980-01-01 Hoechst Aktiengesellschaft Development device for developing sheets of diazo copying material
US4441806A (en) * 1982-03-08 1984-04-10 The Mead Corporation Document exposure apparatus
WO1992014979A1 (en) * 1991-02-26 1992-09-03 Carnaudmetalbox Plc An oven
US5183251A (en) * 1988-10-13 1993-02-02 Sardella Louis M Conveyor system and feeding sheets
US5261146A (en) * 1991-04-04 1993-11-16 Isover Saint-Gobain Creping machine
WO1994011689A1 (en) * 1992-11-19 1994-05-26 Yu Tom Yen Shing Paper sheet coating apparatus with gas streams drying
US5390428A (en) * 1992-07-31 1995-02-21 Eastman Kodak Company Film transport means for use in a film dryer
US5567481A (en) * 1992-11-19 1996-10-22 Yu; Tom Y. Apparatus and method for coating and drying paper sheets
US5815763A (en) * 1996-03-28 1998-09-29 Noritsu Koki Co., Ltd. Conveying apparatus for photosensitive material
NL1008885C2 (en) * 1998-04-15 1999-10-18 B & M Systems B V Drying machine for packages which are wet with water used to cool them down after sterilization
US6813846B2 (en) * 2001-03-28 2004-11-09 Fuji Photo Film Co., Ltd. Drying device
US20080206455A1 (en) * 2006-09-25 2008-08-28 Fujifilm Corporation Method and apparatus for drying coating film and method for producing optical film
US20110164101A1 (en) * 2010-01-07 2011-07-07 Canon Kabushiki Kaisha Drying apparatus and printing apparatus

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AU2000273953B2 (en) * 2000-09-13 2005-04-28 Memjet Technology Limited A loading mechanism for a modular commercial printer

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US1426095A (en) * 1920-10-18 1922-08-15 Albert H Parker Drier for drying coated paper
US1560579A (en) * 1923-11-23 1925-11-10 Eastman Kodak Co Suction conveyer for sheet material
GB288139A (en) * 1927-03-31 1929-06-20 Schilde Maschb Ag Improvements in the drying of cardboard and the like
DE742858C (en) * 1937-05-25 1952-02-14 Richard Dirks Frankenberg Sach Chain yarn dryer
US3071866A (en) * 1959-09-14 1963-01-08 Miami Herald Publishing Compan High speed photographic print drying machine
US3199213A (en) * 1961-07-12 1965-08-10 Crown Zellerbach Canada Ltd Method of changing the moisture content of wood
US3440944A (en) * 1964-02-15 1969-04-29 Keuffel & Esser Co Process and apparatus for the development of photocopying material
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Cited By (22)

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Publication number Priority date Publication date Assignee Title
US4106767A (en) * 1975-12-12 1978-08-15 G.A.O. Gesellschaft Fur Automation Und Organisation Mbh Conveyor system for flat articles
DE2747013A1 (en) * 1976-10-20 1978-04-27 Ciba Geigy Ag PROCESS AND EQUIPMENT FOR DRYING PHOTOGRAPHIC MATERIAL
US4142301A (en) * 1976-10-20 1979-03-06 Ciba-Geigy Ag Method and apparatus for drying photographic material
US4084806A (en) * 1976-11-10 1978-04-18 Eastman Kodak Company Sheet handling apparatus
US4181420A (en) * 1976-12-30 1980-01-01 Hoechst Aktiengesellschaft Development device for developing sheets of diazo copying material
US4441806A (en) * 1982-03-08 1984-04-10 The Mead Corporation Document exposure apparatus
US5183251A (en) * 1988-10-13 1993-02-02 Sardella Louis M Conveyor system and feeding sheets
WO1992014979A1 (en) * 1991-02-26 1992-09-03 Carnaudmetalbox Plc An oven
GB2266580A (en) * 1991-02-26 1993-11-03 Metal Box Plc An oven
US5504271A (en) * 1991-02-26 1996-04-02 Carnaudmetalbox Plc Oven
GB2266580B (en) * 1991-02-26 1994-09-28 Metal Box Plc An oven
US5261146A (en) * 1991-04-04 1993-11-16 Isover Saint-Gobain Creping machine
US5390428A (en) * 1992-07-31 1995-02-21 Eastman Kodak Company Film transport means for use in a film dryer
WO1994011689A1 (en) * 1992-11-19 1994-05-26 Yu Tom Yen Shing Paper sheet coating apparatus with gas streams drying
US5567481A (en) * 1992-11-19 1996-10-22 Yu; Tom Y. Apparatus and method for coating and drying paper sheets
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Also Published As

Publication number Publication date
GB1362866A (en) 1974-08-07
JPS5017126B1 (en) 1975-06-18

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