Elastic belt for papermaking
US6921461B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2001 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Nov 22, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2377
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A papermaking belt of improved durability capable of preventing a crack from progressing into the which includes a reinforcing substrate embedded in an elastic material, and the elastic material containing a surface layer, a back layer and an intermediate layer located between the surface layer and the back layer and having a thick part containing a thickness in the belt thickness direction along the belt traveling direction in the said intermediate layer. The thick part can also be exposed on the belt surface through the surface layer, the thick part is preferably made of a low-hardness elastic material and the surface layer is preferably made of a high-hardness elastic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.