Global Patent Index - EP 0450686 B1

EP 0450686 B1 19940928 - Prewinder for looms and method for threading such prewinder.

Title (en)

Prewinder for looms and method for threading such prewinder.

Title (de)

Vorabwickelvorrichtung für Webmaschinen und Verfahren zum Einfädeln einer solchen Vorrichtung.

Title (fr)

Dispositif prédélivreur pour machines à tisser et méthode pour enfiler un tel ensemble prédélivreur.

Publication

EP 0450686 B1 19940928 (FR)

Application

EP 91200596 A 19910319

Priority

BE 9000375 A 19900404

Abstract (en)

[origin: EP0450686A1] A yarn pre-delivery unit, for use on a loom, consists of a pre-delivery drum (2), a winding tube (1) and a drive mechanism (9) designed to rotate the tube and drum relative to one another. A yarn guide (3) extends along the length of the drum and has at least one portion (4) which is tubular in shape and has a lengthwise slot (5). The unit has additional yarn guides (29) which prevent a weft thread (7) which has been passed along the yarn guide (3) from leaving the tube (4) via the slot (5) while a tension is exerted on the thread from the unit's outlet (16). The additional guides (29) are formed by a lip in the wall of the tube (4) and the interior of the tube itself or, in variants, the inner edge of the slot, or a cutaway portion of the tube.

IPC 1-7

D03D 47/34; B65H 51/16

IPC 8 full level

B65H 51/16 (2006.01); B65H 51/22 (2006.01); D03D 47/34 (2006.01); D03D 47/36 (2006.01)

CPC (source: EP)

B65H 51/16 (2013.01); B65H 57/003 (2013.01); D03D 47/361 (2013.01); B65H 2701/31 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI SE

DOCDB simple family (publication)

EP 0450686 A1 19911009; EP 0450686 B1 19940928; BE 1003986 A3 19920728; DE 69104254 D1 19941103; DE 69104254 T2 19950216

DOCDB simple family (application)

EP 91200596 A 19910319; BE 9000375 A 19900404; DE 69104254 T 19910319