Method of input of tail ends of filling weft in loom with additional filling effects

FIELD: textile, paper.

SUBSTANCE: filling method of tail ends of a filling weft into the shed (1.1, 1.2) of the loom is proposed. With the help of the means (19) of selection of a filling weft, the filling wefts, which are input into the shed with the help of means feeding weft and tacked down to the fabric edge (13) with the help of the reed device (7, 7.1, 10), are selected (3). With the help of weft holding means, the tacked filling weft (3) is held in the area of a fabric edge in a certain position, whereupon, after the input of the filling weft, the replacement of the shed (4) is performed with the help of shed-forming means. Filling wefts are shifted with the help of weft holding means, so they come to a position, in which they are cut with the help of the weft scissors. Whereupon, the corresponding tail end of the filling weft, which is then captured by the filling unit and filled into the shed, is formed. Between two subsequent processes of input of the first and second filling weft, the following processes take place: additional tacking of a reed with the help of the reed device takes place. However, whereupon, the control of the means of selection of the filling weft is performed so that the second filling weft is not input and not tacked to the fabric edge, and the tail end of the first one is not filled into the shed, and the fancy thread passing towards the base is shifted in the loom towards the weft for the creation of additional filling effects.

EFFECT: improvement of strength performance.

2 dwg

 



 

Same patents:

FIELD: textile, paper.

SUBSTANCE: first shedding motion includes the first guiding mechanism implemented as swinging reed with drive averted from loom reed shaft and covers the second guiding mechanism implemented as erect reed with drive independent from the first guiding mechanism drive. The second shedding motion is provided with shedding mechanism, which can be located between the first shedding motion and loom reed.

EFFECT: production of knitting loom where ajoure fabric with woven pattern may be knitted at operational frequency of loom rotation higher than 400 min-1.

7 cl, 1 dwg

FIELD: textile industry, in particular, production of fabric, where plain and cross weaves are formed simultaneously within single spinning cycle.

SUBSTANCE: spinning machine has lamella-needle frame. For producing of plain weave, adjacent warp threads designed for defining of lower and upper apertures are mutually lifted by means of one and the same lamella-needle frame from lower aperture forming position to upper aperture forming position and are lowered back from upper aperture forming position to lower aperture forming position, while for producing of cross weave in known manner, only warp threads designed for defining of upper aperture are lifted by means of lamella-needle frame from lower aperture forming position to upper aperture forming position and are lowered back from upper aperture forming position to lower aperture forming position.

EFFECT: increased efficiency through providing simultaneous formation within one spinning cycle of plain and cross weaves without employment of expensive aperture forming means.

4 cl, 14 dwg

The invention relates to machines for the manufacture of structures made of composite materials, in particular to a device for producing a reinforcing frame, and can be used in aviation, shipbuilding, automotive and other engineering industries

FIELD: textile industry, in particular, production of fabric, where plain and cross weaves are formed simultaneously within single spinning cycle.

SUBSTANCE: spinning machine has lamella-needle frame. For producing of plain weave, adjacent warp threads designed for defining of lower and upper apertures are mutually lifted by means of one and the same lamella-needle frame from lower aperture forming position to upper aperture forming position and are lowered back from upper aperture forming position to lower aperture forming position, while for producing of cross weave in known manner, only warp threads designed for defining of upper aperture are lifted by means of lamella-needle frame from lower aperture forming position to upper aperture forming position and are lowered back from upper aperture forming position to lower aperture forming position.

EFFECT: increased efficiency through providing simultaneous formation within one spinning cycle of plain and cross weaves without employment of expensive aperture forming means.

4 cl, 14 dwg

FIELD: textile, paper.

SUBSTANCE: first shedding motion includes the first guiding mechanism implemented as swinging reed with drive averted from loom reed shaft and covers the second guiding mechanism implemented as erect reed with drive independent from the first guiding mechanism drive. The second shedding motion is provided with shedding mechanism, which can be located between the first shedding motion and loom reed.

EFFECT: production of knitting loom where ajoure fabric with woven pattern may be knitted at operational frequency of loom rotation higher than 400 min-1.

7 cl, 1 dwg

FIELD: textile, paper.

SUBSTANCE: filling method of tail ends of a filling weft into the shed (1.1, 1.2) of the loom is proposed. With the help of the means (19) of selection of a filling weft, the filling wefts, which are input into the shed with the help of means feeding weft and tacked down to the fabric edge (13) with the help of the reed device (7, 7.1, 10), are selected (3). With the help of weft holding means, the tacked filling weft (3) is held in the area of a fabric edge in a certain position, whereupon, after the input of the filling weft, the replacement of the shed (4) is performed with the help of shed-forming means. Filling wefts are shifted with the help of weft holding means, so they come to a position, in which they are cut with the help of the weft scissors. Whereupon, the corresponding tail end of the filling weft, which is then captured by the filling unit and filled into the shed, is formed. Between two subsequent processes of input of the first and second filling weft, the following processes take place: additional tacking of a reed with the help of the reed device takes place. However, whereupon, the control of the means of selection of the filling weft is performed so that the second filling weft is not input and not tacked to the fabric edge, and the tail end of the first one is not filled into the shed, and the fancy thread passing towards the base is shifted in the loom towards the weft for the creation of additional filling effects.

EFFECT: improvement of strength performance.

2 dwg

FIELD: textile, paper.

SUBSTANCE: weaving machine is proposed, having shedding elements to form a shed from warp threads, and having a device to form a leno edge of a ground thread and two leno threads, whereby the device includes a first guide device for guiding the first needle for a leno thread and the first needle drive for driving the first needle for a leno thread, as well as a second guide device for guiding the second needle for a leno thread, and a second needle drive for driving the second needle for a leno thread, wherein the guide devices and needle drives are mounted on a holder driven by a drive in the longitudinal direction of the needles for a leno thread; it additionally comprises a thread-guiding element having two guide loops extending parallel to the longitudinal direction of the needles for a leno thread, arranged on the thread-guide elements facing opposite to each other. According to the invention, the guide devices are made each in the form of a linear guide, so that the needles for a leno thread can be set in motion in the weft direction of the weaving machine, and wherein the first and the second needle for a leno thread are configured to be actuated through the appropriate coordinated first and second needle drives independently from the other needle for a leno thread in the weft direction of the weaving machine. The drive needles are made in the form of pneumatic, electric motor, or electromagnetic linear drives. Both guides and both drive needles are mounted on a holder, so that the first needle for a leno thread can be set in motion in the first plane and the second needle for Leno threads can be set in motion in the second plane, these two planes passing parallel to each other. The thread-guiding element is located in the area between the shedding elements and two planes of the needles for a leno thread, so a track is formed between the warp threads and the ground threads.

EFFECT: improved performance.

8 cl, 4 dwg

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