Conductive gasket including internal contact-enhancing strip
US6818822B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2004 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Apr 8, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/92
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A novel conductive gasket including an internal contact-enhancing strip provides improved contact performance in electromagnetic interference prevention and other applications. A metal mesh or conductive plastic covers a substantially rigid internal strip that includes protrusions that either bend or penetrate the gasket cover in order to enhance contact with another conductive surface. The cover may include holes aligned with the protrusions so that the protrusions pass through the holes when the gasket is compressed, or the protrusions may penetrate a mesh or plastic cover. An internal foam piece may be provided behind the internal strip to restore the shape of the when compressive force is removed and a second internal foam piece may be provided between the strip and the cover for maintaining the shape of the gasket. The protrusions on the internal strip may range from needle-shaped protrusions for puncturing a coating to relatively smooth bumps for bending the surface of the cover when the gasket is compressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.