Test strip with slot vent opening
US8211379B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 20, 2011 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Sep 20, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1084
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods of manufacturing test strips are disclosed. Embodiments include laminating a two piece covering layer over a substrate with a series of cavities, wherein the two pieces are separated by a gap, the gap forming a vent opening for the cavities. Other embodiments include covering the sample receiving chamber with a cover thinner than the cover covering the body of the test strip, the thicker body cover absorbing more force than the chamber cover to reduce the possibility of adhesives squeezing out from under the chamber cover. The present invention also provides an advantageous method of mass-producing the inventive test strips without having to align the slot or vent opening laterally with respect to the test strips and without having to punch a vent opening. The method is also well suited to mass production by roll processing techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.