Method and apparatus for the piecing of yarn

Method and apparatus for the piecing of yarn

The subject of the invention is a method and an apparatus for the semi-automatic piecing of yarn in work units of a friction-spinning machine. The piecing process is carried out within preselected time intervals by means of a control unit (3a) having a change-over switch (29) connected to thread-bre...

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Hauptverfasser: FAJT,LUDVIK, PAVLICEK,LUBOS, STEJSKAL,ALOIS, REYMANOVA,MARKETA, KUBOVY,JOSEF, MARKOVA,MARIE, DIDEK,STANISLAV, LOJKA,JAROSLAV, CAP,ANTONIN, DYKAST,JAROSLAV
Format: Patent
Sprache:eng ; ger
Schlagworte:
NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
SPINNING OR TWISTING
TEXTILES
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creator FAJT,LUDVIK
PAVLICEK,LUBOS
STEJSKAL,ALOIS
REYMANOVA,MARKETA
KUBOVY,JOSEF
MARKOVA,MARIE
DIDEK,STANISLAV
LOJKA,JAROSLAV
CAP,ANTONIN
DYKAST,JAROSLAV
description The subject of the invention is a method and an apparatus for the semi-automatic piecing of yarn in work units of a friction-spinning machine. The piecing process is carried out within preselected time intervals by means of a control unit (3a) having a change-over switch (29) connected to thread-break monitors (10) of the work units and, by means of setting members (4), to circuits of the drive means (33, 19, 20) of feeding, spinning and pick-up devices (5, 6, 17, 18) and to a vacuum source (16) in the friction-spinning machine. During the individual elimination of the thread break, the control unit having the change-over switch is connected via the thread-break monitor to the circuit of an electromagnetic coupling of the fibre supply and of an electromagnetic valve of the suction-pipe line and via the setting member to the circuit of the means for actuating the yarn take-up and/or yarn winding.
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language eng ; ger
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subjects NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
SPINNING OR TWISTING
TEXTILES
title Method and apparatus for the piecing of yarn
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