GB1493681A - Developing apparatus for photocopy machines - Google Patents
Developing apparatus for photocopy machinesInfo
- Publication number
- GB1493681A GB1493681A GB10276/75A GB1027675A GB1493681A GB 1493681 A GB1493681 A GB 1493681A GB 10276/75 A GB10276/75 A GB 10276/75A GB 1027675 A GB1027675 A GB 1027675A GB 1493681 A GB1493681 A GB 1493681A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- vacuum
- pump
- ammonia
- gas
- 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
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 9
- 229910021529 ammonia Inorganic materials 0.000 abstract 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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)
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 |
|---|---|
| GB1493681A true GB1493681A (en) | 1977-11-30 |
Family
ID=23842659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10276/75A Expired GB1493681A (en) | 1974-04-25 | 1975-03-12 | Developing apparatus for photocopy machines |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3900862A (nl) |
| JP (1) | JPS585422B2 (nl) |
| CA (1) | CA1032004A (nl) |
| DE (1) | DE2514175C3 (nl) |
| FR (1) | FR2269121B1 (nl) |
| GB (1) | GB1493681A (nl) |
| IT (1) | IT1034485B (nl) |
| NL (1) | NL7504911A (nl) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2529008C3 (de) * | 1975-06-28 | 1979-01-04 | Agfa-Gevaert Ag, 5090 Leverkusen | Durchlauf-Entwicklungsmaschine |
| 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 |
| US4512654A (en) * | 1983-09-20 | 1985-04-23 | R.Q.O. Holding Company | Controlling ammonia emissions for diazo developing equipment |
| JPH0330572Y2 (nl) * | 1984-12-29 | 1991-06-27 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE826542C (de) * | 1949-12-25 | 1952-01-03 | Maschb Ing H Stegenwalner K G | Vorrichtung zum Entwickeln von Lichtpausen mit gasfoermigen Mitteln, insbesondere Ammoniak |
| BE674646A (nl) * | 1965-02-03 | 1966-04-15 | ||
| US3524397A (en) * | 1966-09-06 | 1970-08-18 | Addressograph Multigraph | Gas developing apparatus |
| DE1572289C3 (de) * | 1967-05-26 | 1975-05-28 | Hoechst Ag, 6000 Frankfurt | Vorrichtung zum Entwickeln von Uchtpausmaterial |
| 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/it active
- 1975-04-01 JP JP50039722A patent/JPS585422B2/ja not_active Expired
- 1975-04-01 DE DE2514175A patent/DE2514175C3/de not_active Expired
- 1975-04-23 FR FR7512631A patent/FR2269121B1/fr not_active Expired
- 1975-04-25 NL NL7504911A patent/NL7504911A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| US3900862A (en) | 1975-08-19 |
| CA1032004A (en) | 1978-05-30 |
| NL7504911A (nl) | 1975-10-28 |
| DE2514175C3 (de) | 1982-01-14 |
| IT1034485B (it) | 1979-09-10 |
| DE2514175A1 (de) | 1975-11-13 |
| FR2269121A1 (nl) | 1975-11-21 |
| AU7886075A (en) | 1976-09-09 |
| JPS585422B2 (ja) | 1983-01-31 |
| FR2269121B1 (nl) | 1979-03-16 |
| DE2514175B2 (de) | 1977-10-27 |
| JPS517931A (nl) | 1976-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1493681A (en) | Developing apparatus for photocopy machines | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |