Purging and debris removal from holes
US8664563B2 · kind B2 · utility
2Cited by
13References
24Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 11, 2011 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | Nov 23, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K26/702
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for purging of, and debris removal from, a hole created with laser energy in which a swirling purge gas stream is provided in a hole containing debris to be removed, imparting a swirl to the debris and lifting the debris from a bottom of the hole. In accordance with one embodiment, the purge gas is swirled in a purge gas nozzle providing purge gas into the hole. In accordance with another embodiment of this invention, the purge gas is swirled directly in the hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.