US3373551A - Automatic apparatus for binding broken yarns on spinning machines - Google Patents

Automatic apparatus for binding broken yarns on spinning machines Download PDF

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Publication number
US3373551A
US3373551A US509873A US50987365A US3373551A US 3373551 A US3373551 A US 3373551A US 509873 A US509873 A US 509873A US 50987365 A US50987365 A US 50987365A US 3373551 A US3373551 A US 3373551A
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Prior art keywords
yarn
binding
spool
unit
broken
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US509873A
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English (en)
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Gillono Matteo
Alberto Pietro
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • 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
    • D01H1/14—Details
    • D01H1/18—Supports for supply packages
    • D01H1/183—Overhead suspension devices
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
    • D01H15/013—Carriages travelling along the machines
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

Definitions

  • the apparatus of this invention includes a carriage which is reciprocally .mounted along a path parallel to a row of spindles of a spinning machine.
  • the carriage provides a mount for various units for mechanically performing the various movements and operations required for detecting and binding any broken yarns.
  • the apparatus includes a programming memory for actuating the units in syncronism according to a predetermined set of controls of an operation cycle.
  • the units mounted on the reciprocal carriage includes a vertically reciprocal support; a sensing unit for detect ing a broken yarn; a unit for halting the operation of the apparatus at the spindle where a broken yarn is detected; a spool extraction unit for removing the spool of broken yarn from the spindle; a spool height sensing unit for positioning the apparatus with respect to the spool; a searching unit for taking up a broken yarn end; a traveller searching unit for positioning a traveller at a predetermined position on a guide track of the machine; a threading unit for threading yarn into the traveller; and a unit for binding yarn and cutting excess portions.
  • FIG. 1 is a general front view of the apparatus according to the invention.
  • FIG. 3 is an elevational view of the unit for halting the apparatus at the spindle Where broken yarn is detected
  • FIG. 3A is a top view of the halting unit of FIG. 3, when approaching a spindle;
  • FIG. 3B is a top view similar to FIG. 3A, however showing the halting unit in halt position against a spindle;
  • FIG. 4 is a schematic lateral view of the sensing unit for detecting a broken yarn
  • FIG. 4A is a partial front view of a detail of FIG. 4;
  • FIG. 5 is an elevational sectional view of the unit for extracting a spool from a spindle and for causing opposite rotation of said spool, with extraction pincers in release position;
  • FIG. 5A is a view similar to FIG. 5, but showing the pincers in expanded gripping position
  • FIG. 6 is a top view of the spool height sensing unit
  • FIG. 6A is a side view of the spool height sensing unit of FIG. 6 in a first down stroke stage
  • FIG. 6B is a side view like that of FIG. 6A but in a second down stroke stage;
  • FIG. 7 is a diagrammatic side view of the searching unit for broken yarn ends in a position remote from a spool;
  • FIG. 7A is a side view similar to FIG. 7, with the unit in search position on a spool;
  • FIG. 7B is a top view showing operation of unit of FIGS. 7 and 7A;
  • FIG. 8 is a top view of the traveller searching unit on the guide track of the spinning machine, in a remote position from the track;
  • FIG. 8A is a top view similar to FIG. 8, but with the unit in traveller search position;
  • FIG. 8B is a sectional side view of unit of FIGS. 8 and 8A; 5
  • FIG. 9 is a diagrammatic side view of the threading unit for threading yarn into the traveller, in a position remote from a ring guide track;
  • FIG. 9A is a view similar to FIG. 9 but with the unit in operative position on the guide track;
  • FIG. 9B is a front view, taken at an angle of degrees in respect to FIGS. 9 and 9A, showing an operative detail of the unit;
  • FIG. 10A is a view similar to FIG. 10, but with the unit for binding and cutting yarn in operative position;
  • FIG. 11 is a top view of the head of the binding and cutting device of FIG. 10, with cutting shears in open position;
  • FIG. 11A is a top view similar to FIG. 11, but with the cutting shears in closed position;
  • FIG. 12 is a side view of a second embodiment of a unit for binding and cutting yarn, while advancing toward the binding position;
  • FIG. 13 is a top view of the unit of FIG. 12;
  • FIG. 14 is a side view of FIG. 12, illustrating the binding and cutting unit in binding and cutting position;
  • FIG. 15 is a top view of the unit of FIG. 12, in the same position shown in FIG. 14;
  • FIG. 16 is a diagrammatic, partially sectioned side elevational view of a third embodiment of a unit for binding and cutting yarn, in operative position;
  • FIG. 17 is a top view of the unit of FIG. 16, with cutting blades in open position.
  • FIG. 18 is a top view like that of FIG. 17, but with cutting blades in the closed position.
  • the apparatus travels reciprocally back and forth along a spinning machine by means of wheel 1 running on track 2.
  • a limit switch (not shown) provides for reversing the rotation of a motor 3.
  • the reciprocal travel of the apparatus is even and continuous and halting of the apparatus in a determined position on a spindle occurs if and when one of the two sensing devices 4 or 4', according to the direction of travel, senses a lack of yarn and therefore it breaks and gives a suitable halting signal.
  • the yarn binding apparatus of the invention is practically comprised of the following units:
  • a pneumatic memory 5 which could also be electric or electronic, having the object of giving several predetermined controls, in order to cause the operative cycle to take place in an exactly programmed way.
  • a vertically reciprocable support 6 bearing other units for searching and binding the broken yarn which is controlled by a piston 8 and slides vertically on column 7.
  • a spool extraction unit 9 which rotates a spool in a direction contrary to the normal direction of rotation of spinning.
  • a traveller searching unit 10 (FIG. 2) having the object of finding a traveller on an annular guide track and positioning it in a fixed manner, that is to say in a'fixed position.
  • the apparatus also has a two-way aspir-ator.
  • Sensing of broken yarns is made in advance since the apparatus senses an eventual lack of yarn before the units designed for its binding reach the operative position.
  • other units of the apparatus are located in a central position with respect to a spindle on which is positioned a spool 17, whilst sensing devices 4 and 4' are advanced, to the left or to the right of said spindle, according to the travel direction of the apparatus.
  • the object of this advanced sensing operation is to obtain a smooth halt, and to avoid dashes and sudden blows.
  • FIG. 1 At each of points 18 and 18 (FIG. 1) there is a pneumatic valve which is opened upon contact for a fraction of a second with a leg 19, 19' of a respective spindle, or With pins arranged at a length equal to a spindles center distance. These valves communicate with a little reservoir of compressed air (not shown).
  • sensing device 4 or 4' When either of the valves at 18 or 18' is opened after contacting the leg 19, 19' of a spindle, a little amount of air is delivered to sensing device 4 or 4', which has to indicate whether or not there is a broken yarn in that position.
  • the sensing control is thus dual, since the sensing device 4 or 4 is operative only when it is in front of a yarn. In fact between two subsequent yarns there is void space, and if the sensing device would operate in this space, it would always indicate lack of yarn, thus making an error. With dual control valve 18 or 18 giving a signal of proper position, the sensing device 4 or 4 operates only when it has been positioned.
  • this dual detection could also be electrical, magnetic or electro-pneumatic, in this case a pneumatic system was preferred because it is more efficient as to wear.
  • Sensing devices 4 and 4' operate in the following manner (FIGS. 4 and 4A):
  • microswitch 20 When blade 33 has given a mechanical pulse to microswitch 20 because of a lack of yarn, the microswitch 20 electrically feeds its control to unit 12 in order to halt the apparatus in the proper position.
  • This unit 12 operates as follows (see FIG. 3):
  • Pulse from microswitch 20 causes operation of electromagnet 21, which pushes a saddle 22 forward causing Y- shaped rod 23 to extend into the axis of the spindles support.
  • the apparatus continues to travel but when rod 23 comes into contact with spindle 24, such a contact causes an angular movement of the rod 23, which will stop against grip 25, so as to block advancement of the apparatus.
  • Piston 28 pushes the end of assembly 29 outwardly so as to exactly center it over the axis of the spindle where the yarn is broken.
  • Piston 30 lowers the whole assembly and causes expansible pincers 31 to thread on cop of spool 17.
  • a pneumatic piston inside assembly 29 causes expansion of the pincers 31 thereby causing the cop 32 of spool 17 to become engaged (FIG. 5A) with the assembly 29 so that cop 32 is fixed at the upper end to the assembly 29 while the steel spindle still remains within the lower end of the cop, however disengaged therefrom.
  • the piston 30 thereafter rises, it carries the cop 32 with it.
  • motor 37 starts to rotate and transmits through a belt its motion to assembly 29 which in turn starts to rotate in a direction opposite to the direction of rotation of spindles; as the spool is fixed to this assembly, it acquires a rotation contrary to its normal working rotation.
  • piston 8 (FIG. 1) is actuated and lowers the support 6 which is rather complex since it has to carry out several operations.
  • the first of said operations is the following: a piston 38 pushes a rod (not shown) against column 7; when the support 6, moving downwards, reaches position 39 the aforementioned rod enters notch 39 causing a stop in the downward movement of the support 6.
  • the sensing unit for locating the exact position of the support 6 with respect to the spool is actuated, as viewed in FIGS. 6, 6A and 6B.
  • a fork 40 embodied in the support 6 and controlled by the memory 5 engages the cop 32 between its prongs.
  • the position of support 6 in respect to the spool may be different according to the Working stage (e.g. about full spool, half spool, about empty spool).
  • support 6 is positioned for carrying out a yarn search.
  • a searching unit for the search of broken yarn is mounted on support 6 and operates as will be now explained, and as shown in FIGURES 7, 7A and 7B.
  • the search unit includes a fiat suction tube 49, a pneumatic turbine St), a transmission 51', and a belt 52; this search unit when the apparatus is travelling, as shown in FIG. 7, is spaced apart from the spool 17.
  • a piston controlled by memory 5 pushes the Search unit comprising the suction tube, turbine and belt, toward the spool (FIG. 7A) so that the transmission 51 proceeds beyond the spool.
  • cam 53 coming into contact with roller 54, compels the transmission and belt 52 to move toward the spool 17 (FIG. 7B) through the angular movement of lever 54.
  • suction tube 49 will stop close to the spool with the belt 52 in contact with the yarn wound on the conical part of the spool.
  • spool 17 is already rotating on the direction opposite to its normal rotation on the spindle, so that for the search of broken ya-rn three elements are combined, namely: a rotary motion contrary to that of spindle, a friction of belt on spool in the direction opposite to spool rotation, and air aspiration.
  • Pneumatic turbine 50 causes belt 52 to rotate at a speed which is many times greater than the maximum peripheral velocity of spool 17, so that the end of a broken yarn, which is surely located between points 55 and 56, comes in contact with the soft belt and is drawn back toward position 57. Because the belt velocity is greater than the yarn unwinding speed, the end of the broken yarn slips from the belt and is taken up by suction tube 49 (aspirator). The suction tube 49 when it 6 has taken up the yarn end continues to pick up yarn whilst spool 17 is rotating, so that the tube 49 will store a certain amount of yarn as it is fed into the suction tube.
  • the suction tube 49 has not only to pick up the end of yarn, but also to store a certain amount of yarn at least equal to the distance between bottom of the spindle and the roving feeding rollers.
  • Spinning frames are in fact a unique kind of device in the field of textile machinery, wherein it is required to bind two different elements, that is, an already twisted yarn with a roving which will become yarn when receiving twists. Since it is not possible to draw roving away from feeding rollers, as it would without a doubt break, it is necessary to have a sufiicient length of yarn for carrying its end up to the roving feeding rollers. It is therefore indispensible that the suction tube store a certain length of yarn.
  • Piston 30 (see FIG. 1) is lowered and brings back cop 17 in its position anchored to the spindle; pincers 31, operated by the internal piston, are detached from the cop, piston 30 causes the assembly to rise again and piston 28 brings unit 9 back to the inoperative position of FIGS. 1 and 2.
  • Two rollers 63 and 63 hearing a swinging support 64 are placed over the table 62 of the spinning frames (FIGS. 1 and 2), which has, as it is well known, a reciprocated swinging vertical movement in order to store yarn on a spool.
  • the rollers 63 and 63' (FIG. 2) follow the up and down movement of the table 62, and on their support 64 there is mounted a unit providing for the search of the traveller (FIG. 8).
  • a piston 65 is mounted on support 64 which through a rod 66 actuates a movable support 6'7. On this movable support 67 there are suitably shaped little air nozzles 68 having the object of finding the traveller.
  • memory 5 gives an impulse to piston 63; rod 66 pushes the whoie support 67 with nozzles 68 onto table 62, so that the nozzles are placed in such a way that a supply of compressed air is delivered to said nozzles to create an air stream which is circular and tangential to traveller guide track 61; traveller 70, which may be located in any point of this track, is struck by these air blows and caused to rotate.
  • the traveller 70 reaches pin 69, it is stopped against outer surface of track 61, as pin 69 does not allow further rotation of the traveller.
  • This halt position is that fixed for threading yarn onto the traveller; it is, however, necessary to halt the traveller in a safer manner in order to avoid vibrations or impacts which displace the traveller from the fixed position.
  • a piston 71 which, as it is best shown in FIGURE 8B, is fixed on support 64 but is not bound to back and forth movement of piston 65.
  • This piston 71 pushes under traveller '70, through rod 72 and lever 73, a spring 74 having the form of a seat. The spring 74, when coming into contact with the traveller, locks it, hindering any further move-

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Textile Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
US509873A 1965-05-08 1965-11-26 Automatic apparatus for binding broken yarns on spinning machines Expired - Lifetime US3373551A (en)

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BE (1) BE672843A (US20080293856A1-20081127-C00139.png)
CH (1) CH417425A (US20080293856A1-20081127-C00139.png)
DE (1) DE1510644A1 (US20080293856A1-20081127-C00139.png)
ES (1) ES320122A1 (US20080293856A1-20081127-C00139.png)
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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503198A (en) * 1967-06-24 1970-03-31 Schubert & Salzer Maschinen Centering apparatus for transport system for moving cop changing apparatus
US3540200A (en) * 1967-08-19 1970-11-17 Toyo Boseki Automatic yarn piecing apparatus for ring spinning frame or the like
US3546870A (en) * 1967-02-13 1970-12-15 Barber Colman Co Method and machine for automatically relocating spinning frame travelers
US3591951A (en) * 1968-09-03 1971-07-13 Kanegafuchi Spinning Co Ltd Yarn piecing apparatus for spinning frame
US3626440A (en) * 1970-03-17 1971-12-07 Maremont Corp Yarn-piecing apparatus and method with yarn collation by vacuum
US3628320A (en) * 1969-08-01 1971-12-21 Maremont Corp Method and apparatus for traveler threading
US3641758A (en) * 1969-10-01 1972-02-15 Roberto Escursell Prat Mechanism and method for yarn-retrieval control
US3654756A (en) * 1967-05-17 1972-04-11 Boris Ivanovich Yasjukevich Appliance for automatic thread piecing in spinning or spinning and twisting machines
US3664109A (en) * 1969-09-24 1972-05-23 Roberto Escursell Prat Method and means for yarn retrieval
US3672143A (en) * 1970-10-20 1972-06-27 Leesona Corp Doffing apparatus and method
US3680297A (en) * 1970-08-10 1972-08-01 Parks Cramer Co Yarn piecing apparatus data communicating means and method
US3680299A (en) * 1970-08-10 1972-08-01 Parks Cramer Co Textile yarn production control apparatus and method
US3688486A (en) * 1970-08-19 1972-09-05 Leesona Corp Textile machine
US3807155A (en) * 1969-02-28 1974-04-30 Kanebo Ltd Method and apparatus for joining yarns
US3827226A (en) * 1973-09-19 1974-08-06 Leesona Corp Ring rail tracking arrangement for ring spinning machines
US3855771A (en) * 1973-12-05 1974-12-24 Toyoda Automatic Loom Works Device for biasing yarn into fixed position for use with yarn cutting mechanism of automatic doffing apparatus
US3905186A (en) * 1973-10-23 1975-09-16 Saco Lowell Corp Method and means for control of end-down servicing
US3911657A (en) * 1969-08-04 1975-10-14 Leesona Corp Textile machine
US4102115A (en) * 1975-10-04 1978-07-25 Saurer-Allma Gmbh Compressed air supply arrangement for a service carriage
DE3034909A1 (de) * 1980-04-16 1981-10-22 Ivanovskij tekstil'nyj institut imeni M.V.Frunze,, Ivanovo Verfahren und einrichtung zum andrehen des garnes an das fasergut auf einer spinnmaschine
US5037036A (en) * 1988-06-08 1991-08-06 Murata Kikai Kabushiki Kaisha Yarn end finding apparatus
US5090190A (en) * 1989-10-03 1992-02-25 Maschinenfabrik Rieter Ag Double sensor docking system particularly for textile ring spinning machines
US5630559A (en) * 1994-08-10 1997-05-20 W. Schlafhorst Ag & Co. Device for locating a free end of yarn wound on a cop
US20190010632A1 (en) * 2017-07-07 2019-01-10 Yichang Jingwei Textile Machinery Co., Ltd. Carpet Yarn Twisting Machine

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DE2711554C2 (de) * 1977-03-17 1985-09-19 W. Schlafhorst & Co, 4050 Mönchengladbach Automatische Anspinnvorrichtung für eine Offenend-Rotor-Spinnmaschine
DE3730373A1 (de) * 1987-09-10 1989-03-23 Zinser Textilmaschinen Gmbh Verfahren zum automatischen beheben eines fadenbruches an einer spinnstelle einer ringspinnmaschine und ringspinnmaschine
CN106637556B (zh) * 2017-02-19 2019-02-01 广西剑麻集团山圩剑麻制品有限公司 纺纱机断线自停自启装置
CZ307898B6 (cs) * 2018-01-31 2019-07-31 Rieter Cz S.R.O. Zařízení pro manipulaci s koncem příze na spřádacím místě prstencového spřádacího stroje, způsob manipulace s koncem příze a prstencový spřádací stroj
CN114959958B (zh) * 2022-05-27 2023-07-25 安徽富春纺织有限公司 具有纺纱加工细纱换粗纱自动换纱导向系统的装置
CN117823211B (zh) * 2024-03-04 2024-07-05 宁波长壁流体动力科技有限公司 基于数字孪生的液压支架直线度调节方法、装置和设备

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US2863276A (en) * 1952-06-19 1958-12-09 Pneumafil Corp Indication of thread breaks in textile machines
US2893196A (en) * 1953-12-01 1959-07-07 Struber Franz Pneumatic plant for removing broken ends on spinning or similar machines
US3096946A (en) * 1959-05-15 1963-07-09 Schweiter Ag Maschf Method and apparatus for handling thread in an automatic thread winding machine
US3128590A (en) * 1961-06-14 1964-04-14 Roberto Escursell Prat Automatic thread joiner for continuous spinning machines
US3149451A (en) * 1961-07-29 1964-09-22 Cotton Silk & Man Made Fibres Thread piecing device
GB1012789A (en) * 1963-07-04 1965-12-08 Schubert & Salzer Maschinen Textile machinery
US3241234A (en) * 1964-03-10 1966-03-22 Monsanto Co Yarn aspirator with severing means
US3257083A (en) * 1963-03-26 1966-06-21 Reiners Walter Suction device for withdrawing a starting length of yarn from a textile coil

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2863276A (en) * 1952-06-19 1958-12-09 Pneumafil Corp Indication of thread breaks in textile machines
US2893196A (en) * 1953-12-01 1959-07-07 Struber Franz Pneumatic plant for removing broken ends on spinning or similar machines
US3096946A (en) * 1959-05-15 1963-07-09 Schweiter Ag Maschf Method and apparatus for handling thread in an automatic thread winding machine
US3128590A (en) * 1961-06-14 1964-04-14 Roberto Escursell Prat Automatic thread joiner for continuous spinning machines
US3149451A (en) * 1961-07-29 1964-09-22 Cotton Silk & Man Made Fibres Thread piecing device
US3257083A (en) * 1963-03-26 1966-06-21 Reiners Walter Suction device for withdrawing a starting length of yarn from a textile coil
GB1012789A (en) * 1963-07-04 1965-12-08 Schubert & Salzer Maschinen Textile machinery
US3241234A (en) * 1964-03-10 1966-03-22 Monsanto Co Yarn aspirator with severing means

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546870A (en) * 1967-02-13 1970-12-15 Barber Colman Co Method and machine for automatically relocating spinning frame travelers
US3654756A (en) * 1967-05-17 1972-04-11 Boris Ivanovich Yasjukevich Appliance for automatic thread piecing in spinning or spinning and twisting machines
US3503198A (en) * 1967-06-24 1970-03-31 Schubert & Salzer Maschinen Centering apparatus for transport system for moving cop changing apparatus
US3540200A (en) * 1967-08-19 1970-11-17 Toyo Boseki Automatic yarn piecing apparatus for ring spinning frame or the like
US3591951A (en) * 1968-09-03 1971-07-13 Kanegafuchi Spinning Co Ltd Yarn piecing apparatus for spinning frame
US3807155A (en) * 1969-02-28 1974-04-30 Kanebo Ltd Method and apparatus for joining yarns
US3628320A (en) * 1969-08-01 1971-12-21 Maremont Corp Method and apparatus for traveler threading
US3911657A (en) * 1969-08-04 1975-10-14 Leesona Corp Textile machine
US3664109A (en) * 1969-09-24 1972-05-23 Roberto Escursell Prat Method and means for yarn retrieval
US3641758A (en) * 1969-10-01 1972-02-15 Roberto Escursell Prat Mechanism and method for yarn-retrieval control
DE2111316A1 (de) * 1970-03-17 1972-03-16 Maremont Corp Verfahren und Vorrichtung zum Verbinden der abgerissenen Enden eines in einer Spinn- oder Zwirnmaschine od.dgl.laufenden Garnes
DE2111316B2 (de) * 1970-03-17 1974-07-04 Maremont Corp., Chicago, Ill. (V.St.A.) Vorrichtung zum Anspinnen gerissener Fäden in einer Spinnmaschine
US3626440A (en) * 1970-03-17 1971-12-07 Maremont Corp Yarn-piecing apparatus and method with yarn collation by vacuum
US3680299A (en) * 1970-08-10 1972-08-01 Parks Cramer Co Textile yarn production control apparatus and method
US3680297A (en) * 1970-08-10 1972-08-01 Parks Cramer Co Yarn piecing apparatus data communicating means and method
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US3672143A (en) * 1970-10-20 1972-06-27 Leesona Corp Doffing apparatus and method
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DE3034909A1 (de) * 1980-04-16 1981-10-22 Ivanovskij tekstil'nyj institut imeni M.V.Frunze,, Ivanovo Verfahren und einrichtung zum andrehen des garnes an das fasergut auf einer spinnmaschine
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US5630559A (en) * 1994-08-10 1997-05-20 W. Schlafhorst Ag & Co. Device for locating a free end of yarn wound on a cop
US20190010632A1 (en) * 2017-07-07 2019-01-10 Yichang Jingwei Textile Machinery Co., Ltd. Carpet Yarn Twisting Machine
US10519572B2 (en) * 2017-07-07 2019-12-31 Yichang Jingwei Textile Machinery Co., Ltd. Carpet yarn twisting machine

Also Published As

Publication number Publication date
ES320122A1 (es) 1966-05-16
DE1510644A1 (de) 1970-04-09
CH417425A (it) 1966-07-15
BE672843A (US20080293856A1-20081127-C00139.png) 1966-03-16
GB1117490A (en) 1968-06-19
NL6515493A (US20080293856A1-20081127-C00139.png) 1966-11-10

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