Flexible non-metallic seals made of non-woven fabric
US6619669B2 · kind B2 · utility
7Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2001 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Jul 11, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/445
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A seal as a non-woven fabric folded along lines transverse to the opposite side of the seal and secured by adhesive to fabric strips. The non-woven fabric forms elongated cells. By securing one of these strips to a stationary component of the sealing surfaces, the opposite strip may expand or collapse relative to a movable sealing surface to accommodate excursions of that surface. Multiple layers of cells may be provided in the seals. Additionally, to increase seal stiffness, inserts may be extended into one or more of the cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.