EP 2646608 A1 20131009 - DEVICE AND METHOD FOR PRODUCING INTERWEAVING KNOTS
Title (en)
DEVICE AND METHOD FOR PRODUCING INTERWEAVING KNOTS
Title (de)
VORRICHTUNG UND VERFAHREN ZUM ERZEUGEN VON VERFLECHTUNGSKNOTEN
Title (fr)
DISPOSITIF ET PROCÉDÉ DE PRODUCTION DE NOEUDS D'ENTRELACEMENT
Publication
Application
Priority
- DE 102010052961 A 20101130
- EP 2011066537 W 20110922
Abstract (en)
[origin: WO2012072297A1] The invention relates to a device and a method for producing interweaving knots in a multifilament thread. The thread is guided in a circumferential guiding groove of a rotating annular nozzle in contact with the groove base of the guiding ring. The annular nozzle is guided on a stationary stator that has a chamber opening on the circumference, said opening being connected to a pressure chamber. A nozzle bore which opens into the guiding groove is provided within the annular nozzle, said bore interacting with the chamber opening when the annular nozzle rotates in order to generate a pressure impulse in the guiding groove. The thread is guided between an inlet thread guide and an outlet thread guide which are arranged on both sides of the annular nozzle, an opening angle of the chamber opening in the stator and a contact wrap angle of the thread in the guiding groove overlapping. According to the invention, the inlet thread guide and the outlet thread guide are arranged such that the contact wrap angle of the thread in the guiding groove of the annular nozzle is greater than the opening angle of the chamber opening on the stator. Thus, the thread is guided with contact before the pressure impulse is generated, said annular nozzle preferably being driven with a circumferential speed that is lower than the speed of the thread in order to influence the thread tension.
IPC 8 full level
CPC (source: EP KR US)
D02G 1/161 (2013.01 - US); D02G 1/162 (2013.01 - EP US); D02G 3/34 (2013.01 - KR); D02J 1/06 (2013.01 - EP US); D02J 1/08 (2013.01 - EP KR US); D02J 13/005 (2013.01 - EP US)
Citation (search report)
See references of WO 2012072297A1
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 2012072297 A1 20120607; CN 103237933 A 20130807; CN 103237933 B 20151125; EP 2646608 A1 20131009; EP 2646608 B1 20150225; JP 2013544324 A 20131212; JP 5855120 B2 20160209; KR 101909305 B1 20181017; KR 20130137010 A 20131213; RU 2013129689 A 20150110; RU 2546474 C2 20150410; US 2013247341 A1 20130926; US 8800123 B2 20140812
DOCDB simple family (application)
EP 2011066537 W 20110922; CN 201180057713 A 20110922; EP 11764512 A 20110922; JP 2013541257 A 20110922; KR 20137017065 A 20110922; RU 2013129689 A 20110922; US 201313893835 A 20130514