Device and method for interrupting capillary flow
US5104812A · kind A · utility
22Cited by
6References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1989 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Nov 27, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/2575
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed are devices and methods for interrupting capillary flow of a liquid between two pieces of bibulous material which, prior to actuation, are in a capillary flow relationship to each other. In particular, the capillary flow relationship of two pieces of bibulous material is interrupted by utilizing a liquid expandable piece of bibulous material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.