Method and apparatus for cleaning PVA brush
US11382412B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 20, 2018 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Oct 18, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B7/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A PVA brush cleaning method includes immersing a PVA brush in a cleaning solution containing an organic matter, thereby removing a siloxane compound in the PVA brush; and applying vibration to the PVA brush, thereby removing impurities in the PVA brush.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.