Laser nozzle having an external mobile element made of electrically insulating material and an insert made of electrically conductive material
US9610652B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2013 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Mar 3, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K26/38
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention relates to a nozzle for laser cutting, comprising a nozzle body (1) comprising a first axial housing (5), a movable element (2) formed from an electrically insulating material and comprising a second axial housing (4), said movable element (2) being arranged in the first axial housing (5), and an elastic element (8) arranged in the first axial housing (5) between the nozzle body (1) and the movable element (2). According to the invention, the nozzle furthermore comprises an insert (3) comprising an axial passage (18) and a front portion (3a) forming a skirt that protrudes out of the second axial housing (4), said insert (3) being arranged in the second axial housing (4) of the movable element (2) and formed from an electrically conductive material. Associated laser head and apparatus. Laser cutting process employing such a nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.