Tubing abrasive cleaning device
US5168660A · kind A · utility
Inventor
Key dates
| Filing date | Jun 12, 1992 |
| Grant date | Dec 8, 1992 |
| Priority date | — |
| Expiry date | Jun 12, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B9/007
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to an abrasive cleaning device for tubing useful for brushing and reaming, which comprises: (a) an axial shaft adapted to be attached to a power tool chuck and having a central longitudinal axis; (b) a generally flat rear wall attached to the shaft; (c) at least two working members, each of the working members having two walls, a first wall and a second wall and having an angle of at least 45.degree. between the first wall and the second wall, the first wall having a tubing reaming blade thereon; and the second wall having thereon abrasive for abrading tubing; (d) hinges connected to the rear wall and to the working members such that the working members are hingedly connected to the rear wall and have a first position and a second position relative to the rear wall, the second position being such that the second wall is hinged outwardly by at least about 20.degree. away from the central longitudinal axis and so as to place the first wall of the device in a reaming mode, the first position being such that the second wall would be parallel to the central longitudinal axis so as to place the device in a brushing mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.