Method for determining cohesion in staple fibers
US4649605A · kind A · utility
3Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 1986 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | Apr 17, 2006 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01G99/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Method for determining whether textile staple fibers having crimp therein, either natural or man-made, have a weighted-average cohesion number of from 14.2 to 31.75 centimeters (5.6 to 12.5 inches) by initiating gas impingement contacts at successively increasing different pressure levels against a carded web of staple fibers to cause in the carded web the formation of visible bulges until the bulges are eventually ruptured 80 to 100% for a particular pressure level, and then recording the pressure and number of ruptures from each level and determining therefrom the weighted-average cohesion number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.