Fluid chamber having manipulatable window elements
US3936196A · kind A · utility
9Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 1974 |
| Grant date | Feb 3, 1976 |
| Priority date | — |
| Expiry date | Oct 21, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/031
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An opaque fluid chamber having some means for filling and removing fluid therefrom and at least one aperture therein having a transparent plate sealing it, thereby permitting light to enter or leave the chamber through said aperture without losing fluid material therethrough. The transparent plate is many times larger than the size of the aperture and selectively clamped thereagainst in a manner permitting removal of a fogged area of the transparent member away from the aperture for continued light transfer into and out of the chamber without having to clean or replace the transparent plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.