Cellulose coated stick electrode
US9579751B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2006 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Oct 12, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K35/365
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a stick electrode for electric arc welding having a center alloy wire and an outer cellulose coating which coating includes powdered fluxing agents, alloy powder, cellulose powder and a binder. The improvement involves forming the binder as a solution of sodium silicate and 61-78 percent by weight of the binder. The binder comprises 25-35% of the coating to produce at least about 4% by weight of water in the electrode. Furthermore, the fluxing agent is titanium dioxide with a percentage greater than 12 percent of the coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.