Textiles: weaving – Special-type looms – Open-back shed
Patent
1974-10-22
1976-01-20
Jaudon, Henry S.
Textiles: weaving
Special-type looms
Open-back shed
1391963, D03D 4724, D03J 506
Patent
active
039331849
ABSTRACT:
Method of and apparatus for eliminating a chain formation of wefts not transferred into the beat-up position in a travelling-wave shedding loom provided with a rotary reed consisting of discs having cutouts for engaging weft and displacing it to the fabric fell into the beat-up position. In said method the weft laid upstream of a foreign body interwoven in the weft transferring zone of the shed angle is severed.
The weft inserter for carrying out such method comprises a rotationally supported bobbin having a weft length sufficient for a single pick, a spreading spring for spreading warp threads, directing means provided between the warp spreading spring and a weft guide, means for blocking the bobbin rotation formed with a ratchet wheel and a pawl controllable by deflecting the warp spreading spring, there being associated means for maintaining the pawl in engagement with the ratchet wheel, after return of the warp spreading spring into its starting position, until the loom stops.
REFERENCES:
patent: 2601358 (1952-06-01), Ancet
patent: 2792027 (1957-05-01), Thibaut et al.
patent: 3766950 (1973-10-01), Vasek et al.
Bleha Josef
Mateju Vladimir
Vasek Vitezslav
Zabrodsky Zdenek
Jaudon Henry S.
Vyzkumny Ustav Bavlnarsky
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