Apparatus and method for neutralizing waste photographic fluids
US3978506A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1974 |
| Grant date | Aug 31, 1976 |
| Priority date | — |
| Expiry date | Dec 5, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D5/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus and method for neutralizing waste film-processing fluids discharged from a plurality of work stations containing film-processing fluids utilize a container adapted to receive the waste fluids as well as a predetermined quantity of neutralizing fluid. The quantity of neutralizing fluid admitted into the container is a function of the number and/or size of the film-emulsion carriers to be processed in the work station and/or a function of the fluid content of the container itself. A sensor is provided to detect the fluid contents of the container and cooperates with a control value so as to admit the predetermined quantity of neutralizing fluid into the container. A discharge pump is also provided to discharge the neutralized fluid contents of the container to a discharge area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.