Papermakers fabric for corrugation machines
US5050646A · kind A · utility
6Cited by
5References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 15, 1989 |
| Grant date | Sep 24, 1991 |
| Priority date | — |
| Expiry date | May 15, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31F1/2845
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A corrugation machine includes a woven papermakers fabric. The fabric has at least four layers of bulky yarns interwoven with monofilament yarns. The yarns and weave patterns are selected such that the fabric has a caliper of at least 0.2 inches, a weight of between 10 to 15 ounces per square foot and a permability of at least 25 CFM.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.