Damage indicator for a composite pressure tank
US9920883B2 · kind B2 · utility
1Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2014 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | Mar 10, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/061
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A composite fuel tank, formed by winding filaments or strips around a plastic liner and binding the material with a curable binder. Embedded within the wrapped material at predetermined depths from the surface which provides a color indication of the level of damage due to tears, gashes, cuts and the like. The color indicator is part of a visual inspection method to determine tank damage and the extent of repair necessary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.