GB1533837A - Dry development of diazotype material - Google Patents

Dry development of diazotype material

Info

Publication number
GB1533837A
GB1533837A GB2950777A GB2950777A GB1533837A GB 1533837 A GB1533837 A GB 1533837A GB 2950777 A GB2950777 A GB 2950777A GB 2950777 A GB2950777 A GB 2950777A GB 1533837 A GB1533837 A GB 1533837A
Authority
GB
United Kingdom
Prior art keywords
diazotype material
heater
chamber
development
diazotype
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
GB2950777A
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.)
Cellophane SA France
Original Assignee
Cellophane SA France
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 Cellophane SA France filed Critical Cellophane SA France
Publication of GB1533837A publication Critical patent/GB1533837A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03D7/00—Gas processing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Photographic Developing Apparatuses (AREA)

Abstract

1533837 Apparatus for dry development of diazotype material LA CELLOPHANE 13 July 1977 [13 July 1976] 29507/77 Heading G2X Apparatus for dry development of diazotype material comprises a development chamber, having a wall 1, in which ammoniacal vapours are generated in operation to develop the diazotype material 42, guide means 16 for introducing the diazotype material into the chamber, a first heater 3 positioned to heat the introduced material in operation before it enters the chamber and a drum 6 which in operation is rotated and carries the diazotype material on its surface while in contact with the vapours, the drum containing a second heater 4 which in operation heats the outer surface 5 of the drum. The development chamber preferably comprises an ammonia feed dish 9. A thermostat 37 preferably controls heater 3 and thermostat 38 is preferably connected in series to heater 4. The apparatus preferably comprises an aspiration device 12 having an orifice 27. The apparatus preferably comprises a set of rollers 26 arranged on an axle 25 to detach material 42 from carrier 5.
GB2950777A 1976-07-13 1977-07-13 Dry development of diazotype material Expired GB1533837A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7621408A FR2358686A1 (en) 1976-07-13 1976-07-13 DRY DEVELOPMENT PROCESS OF A DIAZOTYPY MATERIAL AND PROCESSING DEVICE

Publications (1)

Publication Number Publication Date
GB1533837A true GB1533837A (en) 1978-11-29

Family

ID=9175662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2950777A Expired GB1533837A (en) 1976-07-13 1977-07-13 Dry development of diazotype material

Country Status (4)

Country Link
DE (1) DE2731490C3 (en)
FR (1) FR2358686A1 (en)
GB (1) GB1533837A (en)
IT (1) IT1079276B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273435A (en) * 1979-05-07 1981-06-16 Robert K. Hewelt Method and arrangement for eliminating ammonia vapors from developed diazo copy material
US4772906A (en) * 1985-09-16 1988-09-20 Regma Photocopy development station

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429453A1 (en) * 1978-06-23 1980-01-18 Cellophane Sa METHOD FOR IMPROVING THE DEVELOPMENT SPEED IN DIAZOCOPY MACHINES AND DEVICE FOR IMPLEMENTING THE SAID METHOD
DE2907693C2 (en) * 1979-02-27 1984-05-30 Maschinenbau Ing.H. Stegenwalner, 1000 Berlin Diazo blueprint machine
US4371247A (en) * 1979-05-07 1983-02-01 Robert K. Hewelt Arrangement for eliminating ammonia vapors from developed diazo copy material
FR2587508B1 (en) * 1985-09-16 1987-12-11 Regma DEVELOPMENT STATION AND APPARATUS FOR REPRODUCING ORIGINALS BY DIAZOCOPY COMPRISING SAID STATION
FR2610738B1 (en) * 1987-02-09 1989-06-23 Regma APPARATUS FOR REPRODUCING ORIGINALS BY DIAZOCOPY

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297317A (en) * 1964-07-30 1967-01-10 Gavaert Agfa N V Photographic copying apparatus stripping mechanism
US3524397A (en) * 1966-09-06 1970-08-18 Addressograph Multigraph Gas developing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273435A (en) * 1979-05-07 1981-06-16 Robert K. Hewelt Method and arrangement for eliminating ammonia vapors from developed diazo copy material
US4772906A (en) * 1985-09-16 1988-09-20 Regma Photocopy development station

Also Published As

Publication number Publication date
DE2731490C3 (en) 1981-08-13
DE2731490B2 (en) 1980-11-13
DE2731490A1 (en) 1978-01-19
IT1079276B (en) 1985-05-08
FR2358686B1 (en) 1981-05-29
FR2358686A1 (en) 1978-02-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee