Apparatus for and process of treating shrinkable fibers
US4919869A · kind A · utility
7Cited by
13References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1989 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Mar 22, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/71
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for diffusing and subliming water-soluble and water-insoluble materials into never-dried, shrinkable aromatic polyamide fibers, using steam heated at certain controlled temperatures, within a specially designed treatment chamber and a process and apparatus for treating a tow of shrinkable material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.