Total immersion continuous loop apparatus and method
US4274731A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1979 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | Oct 18, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A closed container or tank containing a body of liquid within which is totally immersed an endless loop of flexible web material such as motion picture film, with said flexible web material wound in a multiple loop within the container, and provisions for an extended loop portion of said flexible web material to enter and exit the tank at the same rate of speed. The extended loop portion of said flexible web is designed to run through a second apparatus such as a motion picture printing machine in a continuous and uninterrupted path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.