DE2701943C3 - Einrichtung zum Halten bandförmiger Schichtträger unterschiedlicher Breite in einem fotografischen Kopiergerät - Google Patents

Einrichtung zum Halten bandförmiger Schichtträger unterschiedlicher Breite in einem fotografischen Kopiergerät

Info

Publication number
DE2701943C3
DE2701943C3 DE2701943A DE2701943A DE2701943C3 DE 2701943 C3 DE2701943 C3 DE 2701943C3 DE 2701943 A DE2701943 A DE 2701943A DE 2701943 A DE2701943 A DE 2701943A DE 2701943 C3 DE2701943 C3 DE 2701943C3
Authority
DE
Germany
Prior art keywords
suction
suction chamber
chamber
pump
holes
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
Application number
DE2701943A
Other languages
German (de)
English (en)
Other versions
DE2701943B2 (de
DE2701943A1 (de
Inventor
Ernst Dipl.-Phys. 8021 Taufkirchen Biedermann
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Priority to DE2701943A priority Critical patent/DE2701943C3/de
Priority to CH40778A priority patent/CH618277A5/de
Priority to IT19327/78A priority patent/IT1092279B/it
Priority to US05/870,604 priority patent/US4175857A/en
Publication of DE2701943A1 publication Critical patent/DE2701943A1/de
Publication of DE2701943B2 publication Critical patent/DE2701943B2/de
Application granted granted Critical
Publication of DE2701943C3 publication Critical patent/DE2701943C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03B27/60—Baseboards, masking frames, or other holders for the sensitive material using a vacuum or fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Advancing Webs (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
DE2701943A 1977-01-19 1977-01-19 Einrichtung zum Halten bandförmiger Schichtträger unterschiedlicher Breite in einem fotografischen Kopiergerät Expired DE2701943C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE2701943A DE2701943C3 (de) 1977-01-19 1977-01-19 Einrichtung zum Halten bandförmiger Schichtträger unterschiedlicher Breite in einem fotografischen Kopiergerät
CH40778A CH618277A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-01-19 1978-01-16
IT19327/78A IT1092279B (it) 1977-01-19 1978-01-17 Apaprecchio per la stampa fotografica
US05/870,604 US4175857A (en) 1977-01-19 1978-01-18 Photographic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2701943A DE2701943C3 (de) 1977-01-19 1977-01-19 Einrichtung zum Halten bandförmiger Schichtträger unterschiedlicher Breite in einem fotografischen Kopiergerät

Publications (3)

Publication Number Publication Date
DE2701943A1 DE2701943A1 (de) 1978-07-20
DE2701943B2 DE2701943B2 (de) 1981-04-02
DE2701943C3 true DE2701943C3 (de) 1981-12-10

Family

ID=5998982

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2701943A Expired DE2701943C3 (de) 1977-01-19 1977-01-19 Einrichtung zum Halten bandförmiger Schichtträger unterschiedlicher Breite in einem fotografischen Kopiergerät

Country Status (4)

Country Link
US (1) US4175857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH618277A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2701943C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1092279B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3014184C2 (de) * 1980-04-14 1982-05-27 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Aufspannvorrichtung für Reproduktionsgeräte
DE3048321C2 (de) * 1980-12-17 1983-04-21 H. Berthold Ag, 1000 Berlin Haltevorrichtung für blattförmiges Material in einem Reproduktionsgerät
US4580771A (en) * 1982-06-01 1986-04-08 Smith W Vernon Sheet transfer apparatus
CA1201137A (en) * 1982-06-01 1986-02-25 W. Vernon Smith Sheet transfer apparatus
DK154988C (da) * 1984-09-03 1989-05-29 Eskofot As Sugekassette
US4772923A (en) * 1987-06-25 1988-09-20 Itek Graphix Corp. Automatically operated vacuum feed and hold down assembly for camera system
US4908667A (en) * 1987-07-17 1990-03-13 Noritsu Koki Co., Ltd. Electrophotographic copying apparatus
US4814832A (en) * 1988-01-28 1989-03-21 Itek Graphix Corp. Automatic vacuum feed and hold down assembly for camera system
US5341159A (en) * 1991-08-23 1994-08-23 Eastman Kodak Company Multi-chambered imaging drum
US5414491A (en) * 1994-02-14 1995-05-09 Eastman Kodak Company Vacuum holder for sheet materials
US5966203A (en) * 1996-02-28 1999-10-12 Bowen; Michael L. Vacuum easel
EP1182040B1 (en) * 2000-08-24 2005-11-23 Hewlett-Packard Company, A Delaware Corporation Holddown device for hardcopy apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065271B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
US2814233A (en) * 1956-08-27 1957-11-26 Powers Chemco Inc Flexible sheet support for photographic device
US2933014A (en) * 1959-05-07 1960-04-19 Powers Chemco Inc Vacuum board film support for photomechanical camera
DE1187122B (de) * 1960-06-29 1965-02-11 Powers Chemco Inc Vakuum-Filmtraeger fuer Planfilme
US3229953A (en) * 1964-07-15 1966-01-18 Jr Douglas F Muir Vacuum workholder and valve means therefor
US3545860A (en) * 1968-07-15 1970-12-08 Douthitt Corp Zone control valve for vacuum film holder
JPS56341B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-11 1981-01-07
DE2255661A1 (de) * 1972-11-14 1974-05-16 Leitz Ernst Gmbh Fotografisches aufnahmegeraet mit filmwechselsystem
US4089603A (en) * 1976-11-16 1978-05-16 Itek Corporation Apparatus for supporting a printing plate for exposure

Also Published As

Publication number Publication date
DE2701943B2 (de) 1981-04-02
CH618277A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-07-15
US4175857A (en) 1979-11-27
IT1092279B (it) 1985-07-06
IT7819327A0 (it) 1978-01-17
DE2701943A1 (de) 1978-07-20

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee