Device for detecting leakage in membranes
US6679101B1 · kind B1 · utility
10Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2002 |
| Grant date | Jan 20, 2004 |
| Priority date | — |
| Expiry date | Jul 2, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/205
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for detecting leaks in membranes, etc., for liquid media, whereby the membrane is provided, over at least one partial area of its surface extension, with at least one electrical conductor that produces a change in a measurement signal of the electrical resistance of the conductor when a change occurs on the membrane surface, the membrane being provided with a swellable nonwoven that joins or separates the conductors when influenced by the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.