WO2015131252A1 - Procédé et appareil de filage d'un fil à partir de fibres discontinues - Google Patents

Procédé et appareil de filage d'un fil à partir de fibres discontinues Download PDF

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Publication number
WO2015131252A1
WO2015131252A1 PCT/BG2015/000004 BG2015000004W WO2015131252A1 WO 2015131252 A1 WO2015131252 A1 WO 2015131252A1 BG 2015000004 W BG2015000004 W BG 2015000004W WO 2015131252 A1 WO2015131252 A1 WO 2015131252A1
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WIPO (PCT)
Prior art keywords
fibers
zone
twisting
combing
roller
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Ceased
Application number
PCT/BG2015/000004
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English (en)
Inventor
Dinko Atanasov BAHOV
Atanas BAHOV
Dobromir BAHOV
Olga Bahova
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Individual
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Individual
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Publication of WO2015131252A1 publication Critical patent/WO2015131252A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/14—Drawing-off and delivery apparatus
    • D01G19/18—Roller, or roller and apron, devices, e.g. operating to draw-off fibres continuously
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine

Definitions

  • the invention relates to a method and apparatus for spinning of staple fiber yarn that is used in the textile industry and particularly in spinning.
  • the disadvantage of the method and the device is that it is complicated technically and constructively.
  • Another disadvantage of this method lies in the fact that it disturbs the integrity of the fibrous sliver.
  • Another drawback of the method is that during the passage of the fibers the parallelism of the fibers is disturbed by the separating roller of the perforated assembling roller.
  • Another disadvantage of the method lies in the fact that it cannot achieve straightening of the fibers so that they can be retained in this condition.
  • Another drawback of the method lies in the fact that it cannot provide sufficient control of the movement of the fibers during the process of combing and drawing out.
  • the disadvantage of this method consists in that the rotating spindle does not have a considerable influence on the twisting of the yarn, which is mainly performed by the air vortex in the stationary chamber.
  • Another disadvantage of the method consists in the fact that the twisting air vortex in the swirl chamber has a limit in the obtaining of more effective twists of the yarn due to slippage, which leads to high consumption of high pressure air.
  • Another significant disadvantage is the general movement in the access chamber of all fibers connected in a strip, which hinders the formation of more free ends from fibers.
  • Another significant disadvantage is that the method is sensitive to the foreign impurities present in the fibrous strip. These impurities distort the stability of the air vortex and cause disruption of the spinning process and pollute the small central hole of the spindle and the quality of the yarn.
  • the aim of the invention is to create a method for producing a staple fiber yarn in a short technological process of combing, drawing and twisting, in which a fibrous sliver is produced without breaking the linkage between the fibers in order to keep their parallelism as a result of a constant increase of their speed.
  • the task is solved by a method for producing a staple fiber yarn according to claim 1.
  • the task is solved by a method wherein the fibrous sliver, supplied by a feed roller and feeding table is combed and recombed by a spiked roller, then it is pulled out by a pair of output rollers, and finally it is twisted strongly by a twisting element.
  • a continuous fibrous sliver is formed in a zone of combing and main drawing, after which the fibrous sliver passes through transfer and additional dra ing zones, as the speed of the movement of the fibers increases continuously in the zones of combing and main drawing , transfer and additional drawing , thus constant control of the fiber movement is ensured , and after the drawing line the fibers are passing through the zones of sealing of the main fibers and the parallel movement with sealing of the supporting fibers to the main ones and then together they are delivered to the access chamber.
  • the fibers enter the twisting zone, at the front end of which the rear ends of the supporting fibers are pulled as a result of the centrifugal forces caused by the rapid rotation of the mechanical chamber, and after entry into the rear end of the zone of twisting the supporting fibers strongly twist around the main ones under the influence of the mechanical torque created by the rotation with high speed rev. of the small mechanical twisting chamber as a result of which the yarn is formed with a structure similar to the traditional and with very high speed of spinning.
  • one or more of the following steps, independently and/or in mutual combination, are achieved by this method:
  • the feeding zone ensures secure clamping of the fibrous sliver till the fiber rear end leaves the zone that is formed depending on the fiber type ;
  • the fibrous sliver passes from the needle clothing of the combing roller on the nearby drawing zone formed by the perforated surface of the pulling roller, as a result of the centrifugal force of the combing roller and the air flows around its clothing and, and in some variants due to the action of the air flow passing through the perforated surface of the combing roller and drawn in by the strong vacuum inside the pulling roller, as the roller is moving faster than the combing roller and so the fibers are maintained in a tension condition;
  • the fibers are drawn further as their front ends reach the drawing line between the pair of rollers, thus the rear ends of the fibers are being combed, and along with the drawing the fibers are packed in two fibrous streams comprising main fibers and fastening fibers and at the end they are connected and packed together;
  • the fibrous sliver enters the access chamber and in the twisting zone, and in the access chamber the distribution of the twists is limited, and in the twisting zone, the supporting fibers are strongly twisted around the main ones under the influence of the twisting moment created by rotation to high speed mechanical twist chamber as a result of this the yarn is produced with a structure similar to the traditional one and with high speed of spinning;
  • a process of spinning with a twist may be carried out by the mechanical twisting moment of the rotating with high speed rev. small mechanical chamber along with the twisting moment of the twisting swirl chamber;
  • the trajectory and the compaction of the main fibers and the forces of pulling and winding the free ends may be changed independently of one another, and the access fibrous strip may be composed of different types of fibers as well as the twisting process from the twisting chambers may be chosen according to the type of yarn, and after starting the operation of the spinning space ; the action of the twisting vortex of the additional twisting chamber may be excluded;
  • the combing zone may be formed zone for separation of the foreign impurities from the fibers, depending on their type and status;
  • zone for additional combing of the fibers can be formed, thus improving their parallelism.
  • an apparatus for carrying out the method comprises a feed zone, formed as a part of a common closed corpus, in which the zone for combing and main drawing are placed as well as the zone for transfer of the fibers from the needling surface of the pulling roller, and on that surface a zone for additional drawing is formed, and after the line of drawing a zone for pulling free ends of the fibers is formed which enters the access chamber, and the tapered end of the access chamber enters the twisting zone in which the rapidly moving micro spindle is mounted, in which a short stationary spindle with small axial hole is placed, and after the stationary spindle there is an additional vortex spinning chamber.
  • the zones in the apparatus are made of as following steps, independently and/or in mutual combination:
  • the feeding zone is formed by a feeding roller, a feeding table, a clamping device and inlet funnel mounted between them and limited by an adjusting bolt;
  • the zone for combing and main drawing is formed by the combing roller which has a smaller diameter and is covered with a needle clothing with an angle of the teeth, determined according to the type of the fibers, and , near to the clothing the concentric surface of the closing corpus is formed , and the end of the feeding zone is the access of the combing sector formed eccentrically on the clothing of the roller, as the width of its section decreases from the beginning to the end, and the length of the combing zone is determined by the length of the fibers;
  • the zone for the separation of the foreign impurities can be formed as a tangential channel
  • the zone for additional combing of the fibers can be shaped like a cylindrical air chamber at the end of the combing sector that is laterally closed ;
  • the transfer zone is formed contracting from the end of the combing sector to the beginning of the body of the pneumatic chamber in the direction of the fiber movement , and in it enters the clothing of the combing roller and the nearby placed perforated surface of the drawing roller , the combing roller can have perforated surface and placed in it pneumatic nozzle, and the pneumatic chamber is connected to the stratospheric air, forming air flow resulting from the vacuum created in the pulling roller and for this purpose a narrow slot is shaped ;
  • the combing sector, the body of the pneumatic chamber ,the closing case, the feeding table, the pressure apparatus, the access funnel and the limiting screw are mounted on an adjustable plate corresponding to the specified length of the processed fibers as in the plate there are through holes for the working rollers and holes for mounting ;
  • the drawing zone is formed on the perforated surface of the drawing roller, under which the diaphragm is mounted, continuing a little bit after the drawing line in order to suck the fiber supporting ends and the length of the zone is determined by the fiber length;
  • the twisting zone is formed at the end of the access chamber, the inlet of which has an extension that is shifted downwards under the axis of the twisting zone, and at the end of it there are openings for vacuum creating and it ends with a needle which enters closely to the stationary spindle , with a small height, and it is placed at a distance from and below the drawing line, as it is mounted axially in the interior of a high-speed micro spindle, for example pneumatically, placed in a body and rotated by the high pressure air, as the high-speed spindle has a small diameter for moving and can be rotated at high speed, and after the stationary spindle , an additional twist vortex chamber is mounted eccentrically to the hole of the stationary spindle, it can be used for spinning the yarn at the beginning of the process or in case of breaking of the yarn ;
  • the mechanical twisting chamber is formed as a micro turbo spindle with shaped on its surface blades rotating at very high revolutions, and which has a conical inlet with radial cuts or ribs, as the inlet cone of the twisting spindle scopes the outlet guiding cone of the access chamber , while the output of the twisting spindle is shaped like a cone in which enters the stationary spindle and the whole micro turbo spindle is placed in a housing comprising two parts, in which are formed inlet openings for feeding of high pressure air against the blades and the openings for the removal of exhaust air, and the housing is mounted in an annular supporting body.
  • the advantages of the proposed method for obtaining a staple fiber yarn according to the invention lie in the fact that the technological process of combing, drawing and twisting is short , and it forms fibrous sliver in a continuous process with a very high drawing, without disturbing the connection between the fibers.
  • Another advantage is that the fibers move with constantly increasing speed which achieves straightening of the fibers and their preservation in this condition, and the control of the fibers is very good, including the short fibers and is followed by a strong twisting of the cores around the sheathed fibers , and a yarn similar to the traditional one is produced with high-speed of spinning.
  • Another advantage is that there is no crossing of the fibers on receiving surface, that could have lower speed and thereby disturb the parallelism of the fibers.
  • Another advantage is that the combing is performed in one zone by one roller, which provides better control of the fibers in a short process.
  • the advantage of the proposed method of spinning a yam lies in the fact that the mechanical twisting moment of the micro spindle rotating at very high revs performs the main twisting of the yarn.
  • Another advantage of the proposed method for spinning a yam lies in the fact that the mechanical twisting moment of the micro spindle creates more effective twists to the yam due to the low sliding, while the air consumption for rotation of the spindle is smaller.
  • Another advantage lies in the fact that in the fibrous silver, supporting fibers are formed in advance and they protrude beyond basic fibers.
  • Another advantage is that foreign impurities do not influence the mechanical revs of the spindle.
  • Figure 1 - a schematic plan of the method and the apparatus
  • Figure 2 a schematic plan of the process of the method and the apparatus in another variation
  • Figure 3 a schematic plan of the process of combing and the main drawing of the fibers
  • Figure 4 a schematic plan of the process of feeding, combing and main drawing of the fibers
  • Figure 5 a schematic plan of the process of additional combing of the fibers
  • Figure 6 - a schematic plan of the process of feeding, combing, main drawing, transferring and additional combing of the fibers
  • Figure 7 - a schematic plan of possible variation of the transferring zone of the fibers
  • Figure 8 - a schematic plan of possible variation of the cleaning zone
  • Figure 9 - a schematic design plan of the method and the apparatus
  • Figure 10 - a schematic plan of the cross-section of the high-speed micro spindle
  • Figure 1 1 - a schematic plan of longitudinal section of the high-speed micro spindle
  • Figure 12 - a pictorial view of the high-speed micro spindle
  • Figure 14 - a schematic design plan of vertical section of the apparatus
  • Figure 15 - a schematic plan of horizontal section of the apparatus
  • Figure 16 - a schematic design plan of the method and the apparatus
  • Figure ' 17 - a pictorial view of the body of the pneumatic cylinder chamber
  • Figure 18 - a pictorial view of the combing sector
  • Figures 20,20a and 20b a schematic design plan of another variation of the apparatus , e.g. with vortex twisting chamber.
  • continuous fibrous sliver 1 is formed in a zone of combing and main drawing a after that the fibrous sliver 1 passes through transfer zones ⁇ and additional drawing ⁇ , as the speed VO, VI and V2 of the movement of the fibers 1 increases continuously in the zones of combing and main drawing a, transferring ⁇ and additional drawing ⁇ , and provides constant control of the fiber movement , and after the drawing line 0-0 the fibers 2 pass through zones of compaction of the main fibers n and parallel movement with compaction of the supporting fibers m to the main fibers n and after that they are delivered to the access chamber 8, after which the fibers 2 enter the twisting zone ⁇ , in the front end of which rear ends of the supporting fibers m are pulled as a result of the centrifugal forces caused by the fast rotation of the mechanical chamber 9 , and after entering the rear end of the twisting zone ⁇ the supporting ends m are strongly twisted around the main fibers n under the
  • one or more of the following steps, independently and/or in mutual combination, are performed in the zones:
  • the feed zone ⁇ provides a secure clamping of the fibrous sliver 10 till the rear end of the fibers 1 exits from the zone, and it is formed depending on the type of fibers 1 ;
  • the fibrous sliver 1 passes from the needle clothing 4 of the combing roller 5 over the nearly located c zone of drawing ⁇ , formed by the perforated surface 6 of the drawing roller 7 , as a result of the centrifugal force F of the combing roller 5 and the air flows Ql, QV and Q2 around its clothing and in some variants as a result of the influence of the air flow 21 , passing through the perforated surface 22 of the combing roller 5 and drawn by the strong vacuum Q2 inside the drawing roller 7 , as the roller 7 moves faster than the combing roller 5 and thus the fibers 1 are maintained in tension condition;
  • the fibers 1 are additionally drawn V2 > VI, when their front ends reach the drawing line 0 - 0 between the drawing pair 7 - 7 ' , thus the fiber rear ends are combed 2 , and simultaneously with the drawing the fibers 2 are packed in two fibrous streams comprising main fibers n and fastening fibers m ,and at the end they are connected and packed together s ;
  • the fibrous sliver 2 enters the access chamber 8 and in the twisting zone ⁇ ,as in the access chamber the distribution of the twists is limited 29, and in the twisting zone u, the fastening fibers M are strongly twisted around the main fibres n under the influence of the tw isting moment M , created by the high speed rotation of the mechanical twisting chamber 9 , as a result of which yarn 3 is formed with structure similar to the traditional one and with high speed of spinning;
  • a process of spinning may be performed with twisting from the mechanical twisting moment of the rotating with high revs small mechanical chamber 9 along with the twisting moment N of the twisting vortex chamber 13 ;
  • the ' trajectory and the compaction of the main fibers n and of the supporting fibers m are controlled by the force of the vacuum inside the feeding perforated drawing cylinder 7 , by the form of the zones of compaction and transportation in the access chamber 8 , and by the size of the twisting moments M H N in the twisting chambers 9 and 13 ;
  • the trajectory and the compaction of the main fibers n and the forces of pulling and wrapping of the free ends m may be changed independently from one another, while the inlet fibrous silver 10 may comprise different by type fibers, as well as the process of twisting of the twisting chambers 9 and 13 can be selected according to the type of the yarn 3, and after starting the work the spinning place can turn off the influence of the twisting chamber N of the additional twisting chamber 13;
  • a zone for separation of the foreign impurities from the fibers can be formed 1 , depending on their type and condition;
  • the apparatus for performing of the method may comprise a feed zone ⁇ , formed as a part of a common closed case 33 , where the zones for combing and main drawing a is placed as well as the transfer zone ⁇ of the fibers of the needling surface 4 of the combing roller 5 on the surface 6 of the drawing roller 7 , and on that surface 6 a zone for additional drawing ⁇ is formed and after the drawing line 0-0 a zone ⁇ for pulling the free ends of the fibers m is formed that enters the access chamber 8 and the conical end 29 of the access chamber 8 enters the twisting zone ⁇ where the micro spindle 9 is mounted , in which is placed a short unmovable spindle 46 with a small axial hole, and after the stationary spindle 46 is placed additional vortex spinning chamber 13.
  • the zones in the apparatus may comprise one or more of the following parts, independently and/or in mutual combination:
  • the feeding zone ⁇ is formed by a feeding roller 14 , a feeding table 15 , a pressing device 38, and an inlet funnel 16 , mounted between them and limited by the adjusting bolt 37;
  • the zone for combing and main drawing a is formed by the combing roller 5 , which has a smaller diameter and is covered with needle clothing 4, with an angle of the teeth ⁇ , determined according to the type of the fibers 1 ,and nearby at a distance a to the clothing
  • the concentric surface C 1 of the closing case 33 is formed ; after the end of the feed zone ⁇ the entry of the combing sector 12 is located , and it is formed eccentrically C2 on the roller clothing 5 , as the width of its section decreases from the beginning t to the end f , and the length of the combing zone a is determined by the length of the fibers 1 ;
  • the zone for separation of the foreign impurities can be formed as a tangential channel 20;
  • the zone for additional combing P2 of the fibers 1 can be formed as a cylindrical air chamber 34 at the end of the combing sector 12, that is laterally closed ;
  • the zone for transfer ⁇ is formed by narrowing from the end of the combing sector 12 to the beginning of the body 35 of the pneumatic chamber 1 1 , in the direction of the movement of the fibers 1 , and the clothing 4 of the combing roller 5 enters in it and placed nearby with perforated surface 6 of the drawing roller 7;
  • the combing roller 5 can have perforated surface 22 and placed inside pneumatic nozzle 23 , while the pneumatic chamber 11 is connected with the atmospheric air, for the formation of the airflow QTresulting from the vacuum Q2 created in the drawing roller 7,and for this purpose a narrow slot 36 is formed;
  • the drawing zone ⁇ is formed on perforated surface 6 of the drawing roller 7, below which the diaphragm 17 is mounted ,and which lasts a little ⁇ after the drawing line 0-0 , in order to intake the fastening ends M of the fibers 1 , and the length of the zone ⁇ is determined from the length of the fibers 1 ;
  • the twisting zone ⁇ is formed at the end of the access chamber 8 ,and the access chamber entry has an extension w and is displaced downward below the axis o-o of the twisting zone ⁇ ;at the end there are holes 18 for creating vacuum and ends with a needle 29, that enters closely the stationary spindle 46 , with small height h and is placed at a distance 1 and b from and below the drawing line O-O, as is axially mounted in the interior of the high-rev spindle 9, e.g.
  • two separate access aerial holes 31 and 24 are formed for supplying air with high pressure to the tangential openings 32 and 25, for creating of another twisting vortex N;
  • the mechanical twisting chamber 8 is formed as a micro turbo spindle 14 with blades on the surface 28, rotating with very high rev and with conical entrance 49 with radial cuts or ribs 36 , as the inlet cone 49 of the twisting spindle 9 covers the outlet guiding cone 29 of the access chamber 8 ,while the outlet of the twisting spindle 9 is formed as cone in which the stationary spindle 46 enters , while the whole micro turbo spindle 9 is placed in bearing 19 comprising two detachable parts where inlet holes 26 are formed for supplying air with high pressure against the blades 28 and holes 30 for removal of the exhaust air while the bearing 19 is mounted in an annular bearing body 48 .
  • the method and apparatus for producing a staple fiber yarn is performed in a process of combing, drawing and twisting and operates in the following manner.
  • the combing and the main drawing of the fibers 1 from the fibrous sliver 10 is performed in the zone a, set up by the combing surface 12 and the needle clothing 4, as a result of the high-speed of rotation of the roller 5 , as the fibers are strongly compressed and continuously supplied by the roller 14 .
  • the fiber rear end leaves the compression line due to the friction force between the fibers themselves and the friction force with the clothing 4, the fibers are being drawn.
  • the fibers with the combed front ends remain in the clothing 4 and form the continuous fibrous sliver 1 , pressed by the small alignment with the end of the combing surface 12, after which, because of the large centrifugal force F and the air flows Q 1 , Ql ' and Q2 they are pressed to the perforated surface of the drawing roller 7, and in some variants by the air 20 passing through the perforated surface 21 of roller 5 as a result of the strong vacuum inside the drawing roller 7.
  • the fibrous sliver 1 passes in zone ⁇ from the needle clothing 4 of the roller 5 over the nearby perforated surface 6 of the drawing roller 7, that moves faster than the combing one 5 and thus the fibers are kept stretched and in parallel condition.
  • the fibers 1 When the front ends of the fibers 1 reach the drawing line O - O between the drawing pair of rollers 7 - 7 ⁇ the zone ⁇ , the fibers 1 are pulled, and along with this the rear ends are being combed in addition, after that the fibrous sliver 2 is packed in two fibrous streams comprising main fibers n and fastening fibers M , and finally they are connected and packed together s .
  • the fibrous sliver 2 enters the access chamber 8 of the twisting zone ⁇ , as in the chamber 8 the spreading of the torques is limited by the needle 29, and in the beginning of the twisting zone ⁇ the rear ends of the fastening fibers M are pulled as a result of the centrifugal forces caused by the quick rotation of the mechanical chamber 9 and after entering the rear end of the twisting zone ⁇ fastening fibers M strongly twist around the main fibers n under the influence of the twisting moment produced by the rotation with high revs of the mechanical twisting chamber 9 or in another variant by the vortex air chamber 13, as a result of this yarn 3 is formed with structure similar to the traditional one and with high speed of spinning.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

Procédé de production d'un fil à partir de fibres discontinues, où la vitesse de déplacement des fibres (1) augmente en continu, puis les fibres sont torsadées par un moment de torsion (M) à vitesse élevée, ce qui permet de réaliser la formation du fil (3) à vitesse élevée. L'appareil est formé par des rouleaux de peignage (5 et 14) et des rouleaux d'étirage (7 et 7'), à proximité desquels une micro-broche pneumatique à rotation rapide (9) est montée, formant la zone de filage (μ) avec le moment mécanique de torsion (M), après quoi est placée une chambre de filage (13) à vortex supplémentaire.
PCT/BG2015/000004 2014-03-05 2015-02-25 Procédé et appareil de filage d'un fil à partir de fibres discontinues Ceased WO2015131252A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG111715A BG111715A (bg) 2014-03-05 2014-03-05 Метод и устройство за получаване на прежда от щапелни влакна
BG111715 2014-03-05

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Publication Number Publication Date
WO2015131252A1 true WO2015131252A1 (fr) 2015-09-11

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PCT/BG2015/000004 Ceased WO2015131252A1 (fr) 2014-03-05 2015-02-25 Procédé et appareil de filage d'un fil à partir de fibres discontinues

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BG (1) BG111715A (fr)
WO (1) WO2015131252A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108070924A (zh) * 2017-12-28 2018-05-25 江苏普美纺织有限公司 一种尘笼式转杯纺纱器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768879A (en) * 1996-01-20 1998-06-23 Fritz Stahlecker Open-end spinning process and apparatus for performing same
US20020152739A1 (en) * 2000-12-22 2002-10-24 Maschinenfabrik Rieter Ag Spinning device
WO2012139178A2 (fr) * 2011-04-14 2012-10-18 D-A-Dinko Bahov Et Procédé et dispositif permettant d'obtenir un fil à partir de fibres courtes dans un procédé de peignage, d'étirage et de tordage
WO2013026107A1 (fr) * 2011-08-24 2013-02-28 "D-A-Dinko Bahov" Et Procédé et dispositif pour filer du fil au moyen d'un tourbillon d'air
WO2013029123A1 (fr) * 2011-09-03 2013-03-07 "D-A-Dinko Bahov" Et Procédé et dispositif d'obtention d'un fil de fibres coupées au moyen d'un processus unique de peignage, d'étirement et de torsion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768879A (en) * 1996-01-20 1998-06-23 Fritz Stahlecker Open-end spinning process and apparatus for performing same
US20020152739A1 (en) * 2000-12-22 2002-10-24 Maschinenfabrik Rieter Ag Spinning device
WO2012139178A2 (fr) * 2011-04-14 2012-10-18 D-A-Dinko Bahov Et Procédé et dispositif permettant d'obtenir un fil à partir de fibres courtes dans un procédé de peignage, d'étirage et de tordage
WO2013026107A1 (fr) * 2011-08-24 2013-02-28 "D-A-Dinko Bahov" Et Procédé et dispositif pour filer du fil au moyen d'un tourbillon d'air
WO2013029123A1 (fr) * 2011-09-03 2013-03-07 "D-A-Dinko Bahov" Et Procédé et dispositif d'obtention d'un fil de fibres coupées au moyen d'un processus unique de peignage, d'étirement et de torsion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108070924A (zh) * 2017-12-28 2018-05-25 江苏普美纺织有限公司 一种尘笼式转杯纺纱器

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