Method for cleaning article by scrubbing with cleaning roll
US4566911A · kind A · utility
48Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1983 |
| Grant date | Jan 28, 1986 |
| Priority date | — |
| Expiry date | Jul 5, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B2230/01
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Effective cleaning of an article can be achieved by a method comprising scrubbing the surface of the article by means of a cleaning roll having a surface layer of polyvinyl acetal porous elastic material having a porosity of 85% to 95%, an average pore opening of 10 to 200 .mu.m, and a 30% compression stress in the state characterized by a water content of 100% based, on the dry weight of the material, of 15 to 150 g/cm.sup.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.