Surface cleaning device
US3986223A · kind A · utility
14Cited by
4References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1975 |
| Grant date | Oct 19, 1976 |
| Priority date | — |
| Expiry date | Feb 13, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B6/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device to remove surface particulates from fed materials, as paper and the like, wherein a reduced pressure is applied in a housing to effect a pressure gradient across the fed material to distort and conform the same to a substantial peripheral portion of a brush rotating in the housing to provide an area of surface cleaning engagement between the brush and the fed material to thereby produce an effective and efficient cleaning action.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.