Discretely tailored multi-zone bondline for fail-safe structural repair
US8617694B1 · kind B1 · utility
8Cited by
41References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2010 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Aug 19, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A repair patch for reworking an inconsistent area of a composite structure includes a patch body adapted to cover the inconsistent area and having a first patch region, a second patch region outside the first patch region and a first separation zone between the first patch region and the second patch region, with the first patch region, the first separation zone and the second patch region having increasing interlaminar fracture toughness from a center to an edge of the patch body; and a layer of adhesive for bonding the patch body to the composite structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.