Disc type yarn tension control
US4449354A · kind A · utility
3Cited by
32References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1982 |
| Grant date | May 22, 1984 |
| Priority date | — |
| Expiry date | Oct 18, 2002 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G1/0266
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A direct current electromagnetic disc type tension control which has alternating current superimposed on the direct current circuit to allow the electromagnet to vibrate the tension discs in order to break the contact between the tension discs and between the tension discs and the electromagnet to lower the resistance to rotation of the discs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.