Apparatus for washing disc-shaped workpieces
US6012193A · kind A · utility
4Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1998 |
| Grant date | Jan 11, 2000 |
| Priority date | — |
| Expiry date | May 14, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/505
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Both the front and rear surfaces and side of a disc-shaped workpieces W transferred along a transfer path 2 are washed by forward-rotating rollers 15a that contact the workpieces while rotating in a forward direction and backward-rotating rollers 15b that contact the workpieces while rotating in a backward direction, the respective types of rollers being located on the respective sides of the transfer path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.