EP 0644961 A1 19950329 - METHOD AND DEVICE FOR FEEDING WEFT YARN.
Title (en)
METHOD AND DEVICE FOR FEEDING WEFT YARN.
Title (de)
VERFAHREN UND VORRICHTUNG ZUM LIEFERN VON SCHUSSFÄDEN.
Title (fr)
PROCEDE ET DISPOSITIF D'ALIMENTATION EN FILS DE TRAME.
Publication
Application
Priority
- DE 4219306 A 19920612
- EP 9301485 W 19930611
Abstract (en)
[origin: WO9325742A1] The invention concerns a method for feeding weft yarn to a loom, each weft yarn being unwound overhead from a spool on a yarn-feed device, within a single stroke of the loom as a function of the operation of a yarn-retention element. The weft yarn is force-fed using the yarn-retention element which is driven to rotate and acts continuously upstream of the yarn take-off point. The yarn-retention element is accelerated and decelerated in accordance with a speed-time curve which determines the rate of feed of yarn to the loom. The invention also concerns a weft yarn feed device in which the yarn-retention element (R) is of lightweight design and is coupled to the rotary drive (A) in such a way that it cannot move radially with respect to the spool axis (11) and so that it continuously crosses the rotational trajectory (U) of the yarn take-off point upstream of the weft yarn (Y) in the direction of rotation (2') of the take-off point, the rotary drive (A) being connected to a control device (8) which produces a speed-time curve (I) which determines the rate of feed to the loom (W).
IPC 1-7
IPC 8 full level
B65H 51/22 (2006.01); D03D 47/36 (2006.01)
CPC (source: EP KR US)
D03D 47/28 (2013.01 - KR); D03D 47/362 (2013.01 - EP US); D03D 47/363 (2013.01 - EP US)
Citation (search report)
See references of WO 9325742A1
Designated contracting state (EPC)
BE CH DE IT LI NL SE
DOCDB simple family (publication)
WO 9325742 A1 19931223; CZ 283295 B6 19980218; CZ 311994 A3 19950412; DE 4219306 A1 19931216; DE 59303776 D1 19961017; EP 0644961 A1 19950329; EP 0644961 B1 19960911; JP H07508563 A 19950921; KR 100277802 B1 20010302; KR 950701994 A 19950517; US 5509450 A 19960423
DOCDB simple family (application)
EP 9301485 W 19930611; CZ 311994 A 19930611; DE 4219306 A 19920612; DE 59303776 T 19930611; EP 93912955 A 19930611; JP 50112693 A 19930611; KR 19940704558 A 19941212; US 35123695 A 19950126