Global Patent Index - EP 3146101 B1

EP 3146101 B1 20200226 - STRETCHING DEVICE FOR A WEFT THREAD

Title (en)

STRETCHING DEVICE FOR A WEFT THREAD

Title (de)

STRECKVORRICHTUNG FÜR EINEN SCHUSSFADEN

Title (fr)

DISPOSITIF D'ÉTIRAGE POUR UN FIL DE TRAME

Publication

EP 3146101 B1 20200226 (EN)

Application

EP 15723937 A 20150519

Priority

  • BE 201400397 A 20140522
  • EP 2015061004 W 20150519

Abstract (en)

[origin: WO2015177155A1] This invention relates to a stretching device for stretching a weft thread (6) that has been inserted into a weaving shed (32) in a weaving machine, wherein the stretching device (3) is arrangeable opposite to a U-shaped insertion channel (5) of a reed (1), wherein the stretching device (3) comprises a first blowing nozzle (11) for providing a first air-jet (31) acting on an end region (36) of an inserted weft thread (6) and a second blowing nozzle (15) for providing a second air-jet (35) acting conjointly with the first air-jet (31) on the end region (36) of the inserted weft thread (6), which second blowing nozzle (15) is arranged in insertion direction (M) downstream of the first blowing nozzle (11), and wherein the second air-jet (35) forms a wider angle with the insertion direction (M) than the first air-jet (31). The invention further relates to a weaving machine comprising a stretching device and a method for stretching a weft thread.

IPC 8 full level

D03D 47/30 (2006.01)

CPC (source: CN EP)

D03D 47/278 (2013.01 - EP); D03D 47/308 (2013.01 - CN EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2015177155 A1 20151126; BE 1021879 B1 20160125; CN 106460260 A 20170222; CN 106460260 B 20181113; EP 3146101 A1 20170329; EP 3146101 B1 20200226

DOCDB simple family (application)

EP 2015061004 W 20150519; BE 201400397 A 20140522; CN 201580026451 A 20150519; EP 15723937 A 20150519