CA930788A - Copying machine - Google Patents

Copying machine

Info

Publication number
CA930788A
CA930788A CA115961A CA115961A CA930788A CA 930788 A CA930788 A CA 930788A CA 115961 A CA115961 A CA 115961A CA 115961 A CA115961 A CA 115961A CA 930788 A CA930788 A CA 930788A
Authority
CA
Canada
Prior art keywords
copying machine
copying
machine
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
CA115961A
Other versions
CA115961S (en
Inventor
A. O'mara Edward
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA930788A publication Critical patent/CA930788A/en
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
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
    • G03B27/22—Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
CA115961A 1970-06-18 1971-06-17 Copying machine Expired CA930788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4746270A 1970-06-18 1970-06-18

Publications (1)

Publication Number Publication Date
CA930788A true CA930788A (en) 1973-07-24

Family

ID=21949130

Family Applications (1)

Application Number Title Priority Date Filing Date
CA115961A Expired CA930788A (en) 1970-06-18 1971-06-17 Copying machine

Country Status (3)

Country Link
US (1) US3685908A (en)
CA (1) CA930788A (en)
DE (1) DE2130522A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852250C2 (en) * 1978-12-02 1982-08-26 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Heat development station
JPS62212654A (en) * 1986-03-14 1987-09-18 Fuji Photo Film Co Ltd Image recorder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908571A (en) * 1956-02-08 1959-10-13 Eastman Kodak Co Reflex copying process
GB842032A (en) * 1956-10-22 1960-07-20 Werner Zindler Improvements in or relating to copying apparatus
US2921513A (en) * 1957-08-23 1960-01-19 Gen Aniline & Film Corp Diazotype printing and developing apparatus
US3139017A (en) * 1957-12-27 1964-06-30 American Photocopy Equip Co Photocopy device
US3252396A (en) * 1962-10-13 1966-05-24 Zindler Lumoprint Kg Apparatus for making copies
US3580677A (en) * 1968-09-16 1971-05-25 Addressograph Multigraph Exposure apparatus for copy making machines equipped with light reflective conveyor

Also Published As

Publication number Publication date
US3685908A (en) 1972-08-22
DE2130522A1 (en) 1971-12-23

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