Automatic film developing machine
US4758857A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 5, 1987 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Feb 5, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D3/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A space is formed in an automatic film developing machine by side walls, a bottom wall and two pairs of film feed rollers. One of the two pairs of film feed rollers is arranged between front end portions of the side walls and the other pair of the film feed rollers is disposed between rear end portions of the side walls. The machine is equipped with a means for feeding a film processing solution to the space. At least one discharge pipe is also provided to discharge the film processing solution from the space. The discharge pipe communicates the space to a point outside the space. The upper end of the discharge pipe is positioned at a desired height higher than the nips of the paired film feed rollers whereas the lower end of the discharge pipe is in communication with a reservoir for the film processing solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.