Fibrous webs of enhanced bulk and method of manufacturing same
US4488932A · kind A · utility
93Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1982 |
| Grant date | Dec 18, 1984 |
| Priority date | — |
| Expiry date | Aug 18, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H15/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fibrous webs of improved bulk and softness are produced by subjecting hydrophilic papermaking fibers to mechanical deformation, e.g. hammermilling, sufficient to deform the fibers without substantial fiber breakage, dispersing the resulting curled or kinked fibers, preferably in admixture with conventional papermaking fibers, in an aqueous foam with minimal agitation and holding time and forming a wet laid web from the resulting fiber furnish.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.