Repair method and repair structure for honeycomb sandwich structural body
US9186756B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 22, 2012 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Nov 22, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/20
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A repair method includes the steps of: (A) forming a repair cavity 14 by removing a honeycomb core 11 including a damaged portion with a front-side skin 12; (B) inserting, into the repair cavity 14, a repair honeycomb core 21 whose end surface 30 on a side to which a repair patch 22 is bonded is subjected to flattening treatment; (C) disposing the repair patch on the flattened end surface 30 of the repair honeycomb core 21 via a film-like adhesive 24; and (D) bonding the repair honeycomb core 21 to an existing portion of the honeycomb sandwich structural body 10 and to the repair patch 22, and curing the repair patch 22 under a reduced-pressure atmosphere associated with heating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.