CA1032004A - Sub-atmospheric pressure developing apparatus for photocopy machines - Google Patents

Sub-atmospheric pressure developing apparatus for photocopy machines

Info

Publication number: CA1032004A
Authority: CA; Canada
Prior art keywords: sub; atmospheric pressure; developing apparatus; pressure developing; photocopy machines
Prior art date: 1974-04-25
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

CA221,099A

Other languages

French (fr)

Other versions

CA221099S (en

Inventor

Frank P. Bennett

Eduard Feitzinger

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.)

GAF Corp

Original Assignee

GAF Corp

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.)

1974-04-25

Filing date

1975-03-03

Publication date

1978-05-30

1975-03-03 Application filed by GAF Corp filed Critical GAF Corp

1978-05-30 Application granted granted Critical

1978-05-30 Publication of CA1032004A publication Critical patent/CA1032004A/en

Status Expired legal-status Critical Current

Classifications

- 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 Processing Devices Using Wet Methods (AREA)

CA221,099A 1974-04-25 1975-03-03 Sub-atmospheric pressure developing apparatus for photocopy machines Expired CA1032004A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US464123A US3900862A (en)	1974-04-25	1974-04-25	Developing apparatus for photocopy machines

Publications (1)

Publication Number	Publication Date
CA1032004A true CA1032004A (en)	1978-05-30

Family

ID=23842659

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA221,099A Expired CA1032004A (en)	1974-04-25	1975-03-03	Sub-atmospheric pressure developing apparatus for photocopy machines

Country Status (8)

Country	Link
US (1)	US3900862A (en)
JP (1)	JPS585422B2 (en)
CA (1)	CA1032004A (en)
DE (1)	DE2514175C3 (en)
FR (1)	FR2269121B1 (en)
GB (1)	GB1493681A (en)
IT (1)	IT1034485B (en)
NL (1)	NL7504911A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2529008C3 (en) *	1975-06-28	1979-01-04	Agfa-Gevaert Ag, 5090 Leverkusen	Continuous developing machine
US4091403A (en) *	1975-09-29	1978-05-23	Magnagard Equipment Manufacturing Corporation	Diazo film advancing module
US4199249A (en) *	1976-09-23	1980-04-22	Microbox Dr. Welp Gesellschaft mit beschraenkter Haftung and Company	Method and apparatus for duplicating by means of ammonia gas
US4135803A (en) *	1977-03-29	1979-01-23	Gaf Corporation	Developing apparatus for high resolution photo-sensitive diazo plates
US4167319A (en) *	1977-04-07	1979-09-11	Gaf Corporation	Device for ammonia fume reduction
US4241989A (en) *	1979-01-15	1980-12-30	Am International, Inc.	Diazo developing apparatus
US4286859A (en) *	1979-04-09	1981-09-01	Enervest, Inc.	Air pollution attenuation system for copiers employing noxious gas in a developing chamber through which the copy passes for development
US4303329A (en) *	1979-05-10	1981-12-01	Universal Developer Corporation	Diazo copy machine with ammonia vapor absorber
US4358193A (en) *	1979-11-09	1982-11-09	Gaf Corporation	Diazo development apparatus
US4334756A (en) *	1980-07-25	1982-06-15	Universal Developer Corporation	Self-contained disposable developer/absorber package
US4473282A (en) *	1981-06-30	1984-09-25	Norman Michlin	Diazo copy machine with ammonia vapor absorber
USD276916S (en)	1982-02-03	1984-12-25	Canon Kabushiki Kaisha	Process kit for electrophotographic apparatus
US4512654A (en) *	1983-09-20	1985-04-23	R.Q.O. Holding Company	Controlling ammonia emissions for diazo developing equipment
JPH0182021U (en) *	1986-07-29	1989-06-01

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE826542C (en) *	1949-12-25	1952-01-03	Maschb Ing H Stegenwalner K G	Device for developing blueprints with gaseous agents, in particular ammonia
BE674646A (en) *	1965-02-03	1966-04-15
US3524397A (en) *	1966-09-06	1970-08-18	Addressograph Multigraph	Gas developing apparatus
DE1572289C3 (en) *	1967-05-26	1975-05-28	Hoechst Ag, 6000 Frankfurt	Device for developing ight-pausing material
US3570383A (en) *	1967-11-06	1971-03-16	Scott Paper Co	Apparatus for developing and fixing a thermodevelopable photographic medium
US3720150A (en) *	1971-02-16	1973-03-13	Memorex Corp	Diazo film developer

1974
- 1974-04-25 US US464123A patent/US3900862A/en not_active Expired - Lifetime
1975
- 1975-03-03 CA CA221,099A patent/CA1032004A/en not_active Expired
- 1975-03-12 GB GB10276/75A patent/GB1493681A/en not_active Expired
- 1975-03-21 IT IT21519/75A patent/IT1034485B/en active
- 1975-04-01 JP JP50039722A patent/JPS585422B2/en not_active Expired
- 1975-04-01 DE DE2514175A patent/DE2514175C3/en not_active Expired
- 1975-04-23 FR FR7512631A patent/FR2269121B1/fr not_active Expired
- 1975-04-25 NL NL7504911A patent/NL7504911A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPS585422B2 (en)	1983-01-31
AU7886075A (en)	1976-09-09
FR2269121B1 (en)	1979-03-16
GB1493681A (en)	1977-11-30
NL7504911A (en)	1975-10-28
DE2514175C3 (en)	1982-01-14
IT1034485B (en)	1979-09-10
JPS517931A (en)	1976-01-22
FR2269121A1 (en)	1975-11-21
DE2514175A1 (en)	1975-11-13
DE2514175B2 (en)	1977-10-27
US3900862A (en)	1975-08-19

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