Cleaning member and cylindrical cleaning element
US6802099B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2001 |
| Grant date | Oct 12, 2004 |
| Priority date | — |
| Expiry date | Jul 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4987
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary shaft having a predetermined diameter and a cylindrical cleaning element having an axial through-hole formed therein and capable of being either in a wet or a dry state are prepared. The through-hole has, in a wet state, a predetermined diameter smaller than that of the rotary shaft. The cleaning element is wetted and the through-hole of the wet cleaning element enlarged so that it has a diameter larger than that of the rotary shaft. The enlarged cleaning element is dry-set and the rotary shaft is inserted into the through-hole of the cleaning element. The cleaning element is then wetted, to contract the diameter of the through-hole of the cleaning element and provide a press-fit between the cleaning element and the shaft. A, cleaning member comprising a cylindrical cleaning element and a rotary shaft held therein with a press-fit is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.