Apparatus for rebuilding cylindrical objects
US4242981A · kind A · utility
14Cited by
8References
9Claims
0Family size
Inventors
Key dates
| Filing date | May 25, 1979 |
| Grant date | Jan 6, 1981 |
| Priority date | — |
| Expiry date | May 25, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B13/0654
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus and method for rebuilding the internal surface of a cylindrical object, including a mandrel for supporting the object for rotation about its longitudinal axis, and a wire-fed welding torch positionable adjacent to the interior surface of the object. The welding torch is movable axially with respect to the object during the rotation thereof, so as to deposit material about the interior of the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.