Press fabric seam area
US7789998B2 · kind B2 · utility
0Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2007 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Nov 25, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24793
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A pinseam press fabric is smoothed in the area of the seam by depositing polyurethane particles having a size of about 1 to 500 micrometers across the seam of the felt defined by the ends of the fabric. The polyurethane particles are drawn into the seam end by the application of a vacuum. Once the particles are deposited, the fabric is heated so that the polyurethane particles melt to form a polymeric matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.