End blaster for pipes
US3972149A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 3, 1975 |
| Grant date | Aug 3, 1976 |
| Priority date | — |
| Expiry date | Mar 3, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24C3/325
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for abrasive-blast cleaning of the end of a pipe prior to welding, comprised of a disc engagable with the pipe end to be blast-cleaned and held in position by adjustable bolts and rams, a positioning spider used to position the disc with respect to the end of the pipe, a blasting head affixed to the positioning spider and movable circumferentially over the end of the pipe, means for supplying abrasive material under pressure to the blasting head and drive means for rotating the positioning spider and blasting head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.