Apparatus and methods for injecting filler material into a hole in a composite layer
US10603844B2 · kind B2 · utility
3Cited by
8References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2017 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | May 28, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/40
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Apparatus and methods for injecting molten filler material into a hole. The method in accordance with one embodiment comprises: drilling a hole in a composite layer; heating filler material comprising an electrically conductive low-melting alloy to a molten state; inserting a nozzle having an internal channel system into the hole with a gap separating the nozzle and the hole; forcing molten filler material into, through and out of the internal channel system of the nozzle and into the gap; and retracting the nozzle from the hole. The nozzle may be rotary or not rotary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.