Photographic processing apparatus with variable sized tanks lined with bag-like plastic tank interiors
US4197001A · kind A · utility
0Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1977 |
| Grant date | Apr 8, 1980 |
| Priority date | — |
| Expiry date | Apr 8, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D13/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Photographic processing apparatus is disclosed which consists of a plurality of removable partitions mounted in a frame to form compartments. Lining bags of flexible or semi-rigid plastics sheet material are disposed in the compartments to form watertight tanks for the processing liquids into which the photographic materials to be developed are dipped. There is also disclosed a flexible or semi-rigid plastics bag for use in the apparatus which includes an integral compartment in the region of its bottom provided with perforations wherethrough agitating gas passed into the compartment can pass into the processing liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.