Picking method and apparatus on textile looms involving the use of a fluid medium
US4371007A · kind A · utility
Inventor
Key dates
| Filing date | Feb 12, 1980 |
| Grant date | Feb 1, 1983 |
| Priority date | — |
| Expiry date | Feb 12, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD03D47/278
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In an apparatus for the fluid insertion of the weft in a loom which comprises a swingable sley extending across the loom and carrying a reed for the battening of a weft inserted into a warp shed formed by warp threads extending through the reed transversely to the sley and wherein the sley is formed with a weft channel extending across the loom and swingable into a warp shed formed by separating lower warp threads from upper warp threads, the channel being provided with a plurality of nozzles at spaced locations across the loom and oriented to carry a weft pick through the channel in the shed, the channel being formed by a plurality of yarn guides extending between the warp yarns and the channel having a generally V-shaped cross section opening towards the reed with upper flanks delimiting the upper side, rear flanks delimiting the rear and lower flanks delimiting the lower side of said channel, the improvement wherein the upper and rear flanks of the cross section of the channel are formed by first yarn guides and the lower flanks are formed by second yarn guides and the second yarn guides are spacedly arranged between the first yarn guides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.