Polyurea perimeter seal for an aircraft antenna or other aircraft part
US9765888B2 · kind B2 · utility
1Cited by
4References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2015 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | Oct 14, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2190/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A sealant is provided for use on an aircraft or other vehicle. The sealant may be used with a gasket. The sealant is a perimeter seal that comprises a polyurea member. The polyurea member is a self-curing, two-component mix. It may cure to a hardness in the range of about 40 to 100 (Shore A). It may maintain an adequate peel strength to withstand multiple thermal and pressure cycling, and may have a working life, wherein it may be shaped, of less than about eleven minutes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.