Weft thread transporter
US5072602A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 18, 1989 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Dec 18, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04B23/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The arrangement provides warp threads for an oscillating weft thread magazine for warp knitting machine. The machine uses a creel, a first delivery device with constant delivery speed, and a second delivery device with a variable thread drive speed. The latter speed corresponds to the instantaneous take-off speed of the weft thread by the carriage. A storage arrangement is located between the two delivery devices for smoothing out the differences between the constant delivery speed and the variable take-off speed. This arrangement enables use of elastic weft threads on the weft thread magazine, so that they are provided in a state of constant tension stage; in particular, tension-free or very slightly tensioned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.