Sheet edge trimming and removal from a structured paper fabric
US8968519B2 · kind B2 · utility
1Cited by
42References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2014 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Feb 5, 2034 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F7/006
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The disclosure relates to a method for trimming unwanted edges from a moving paper web. The disclosure also relates to the trimming of unwanted edges while the web is traveling on a structured papermaking fabric. The method uses a water nozzle having a diameter of 0.02″ or less. The method also includes the removal of the unwanted edge trimmings to a trim chute through the use of moving air, for example, an air knife. The disclosure also relates to an edge trimming apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.