Shoe press belts and shoe press device using the belts
US7326321B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 3, 2003 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Feb 25, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2457
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a shoe press belt (11; 21; 31; 41; 51; 61) endlessly formed by an elastic material, a plurality of drains (15; 25; 35; 45; 55; 65) are formed on the outer peripheral surface of the shoe press belt along the peripheral direction of the shoe press belt, and the depths of these drains are progressively increased from a central pressurizing portion (C1; C2; C3; C4; C5) toward end pressurizing portions (A1, A1′; A2, A2′; A3, A3′; A4, A4′; A5, A5′) of the shoe press belt. A shoe press employing this shoe press belt. Thus, a shoe press belt capable of uniformly dehydrating the overall wet web and a shoe press employing the same can be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.