Processing apparatus
US5198848A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1992 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Apr 17, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D13/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Processing apparatus for image-wise exposed light-sensitive sheets of the DTR-type, which comprises a trough (11) for processing liquid, a sloping entry guide plate (17) for guiding a sheet towards its deepest point, a pair of outlet rollers (16) for pulling a sheet at a uniform speed through the apparatus and for squeezing liquid from it and replenishing means for keeping a processing liquid in the trough at a controlled level, which apparatus is provided with a floating cover (25) arranged for floating on the free surface of the processing liquid, and means for maintaining between the rear edge of the floating cover and the rear end of the trough a space (41) sufficient to allow unhindered passage of a processed sheet towards the outlet rollers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.