EP3587633A1 - Système anneau-curseur pour métier à filer à anneaux - Google Patents

Système anneau-curseur pour métier à filer à anneaux Download PDF

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Publication number
EP3587633A1
EP3587633A1 EP19180784.1A EP19180784A EP3587633A1 EP 3587633 A1 EP3587633 A1 EP 3587633A1 EP 19180784 A EP19180784 A EP 19180784A EP 3587633 A1 EP3587633 A1 EP 3587633A1
Authority
EP
European Patent Office
Prior art keywords
ring
traveler
cracks
friction
chromium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19180784.1A
Other languages
German (de)
English (en)
Other versions
EP3587633B1 (fr
Inventor
Naomichi Tominaga
Tsutomu Nakano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Industries Corp
Original Assignee
Toyota Industries Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Industries Corp filed Critical Toyota Industries Corp
Publication of EP3587633A1 publication Critical patent/EP3587633A1/fr
Application granted granted Critical
Publication of EP3587633B1 publication Critical patent/EP3587633B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • D01H7/602—Rings
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/02—Electroplating of selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/04—Tubes; Rings; Hollow bodies
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/52—Ring-and-traveller arrangements
    • D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
    • D01H7/604—Travellers

Definitions

  • the present disclosure relates to a ring-traveler system of a ring-type spinning machine.
  • liquid lubricant such as oil
  • it may stain a yarn with oil.
  • Japanese Patent Application Publication No. 2014-29046 discloses a ring-traveler system of a ring-type spinning machine in which liquid lubricant is not applied for sliding movement that has recesses of 400 per centimeter on a sliding surface between a traveler and a ring. It is also disclosed that the recesses are formed by micro-cracks formed on a surface of a hard chromium-plated layer. According to the ring-traveler system of the Publication, the formation of a plurality of micro-cracks on the sliding surface between the traveler and the ring offers a friction-reducing effect provided by lubrication effect of a film, which formed by fibers that is separated from yarn during spinning operation and retained by the micro-cracks. This may provide long serviceable life for the ring-traveler system.
  • the present disclosure which has been made in light of the above-mentioned problem, is directed to providing a ring-traveler system of a ring-type spinning machine that permits increasing its serviceable life and reducing a running-in time.
  • a ring-traveler system of a ring-type spinning machine in which liquid lubricant is not applied for sliding movement including a plurality of cracks formed in a sliding surface between a ring and a traveler.
  • the plurality of cracks has an average crack width of 0.5 ⁇ m or greater and 1.5 ⁇ m or less.
  • An average of the number of cracks of is less than 400 cracks per centimeter.
  • FIGS. 1A to 1C show an example of configuration of a ring-traveler system of a ring-type spinning machine.
  • FIG. 1A is a perspective view of a ring.
  • FIG. 1B is a partially enlarged perspective view of the ring.
  • FIG. 1C is a schematic perspective view showing a relationship between the ring and a traveler during spinning operation.
  • the ring-type spinning machine is a type of spinning machine, such as a ring spinning machine that winds yarn by means of a traveler that slides on a ring that is supported by a ring rail and moves up and down and a ring twisting machine.
  • FIGS. 1A, 1B and 1C show a ring 11 and a traveler 12 that forms the ring-traveler system according to the present embodiment.
  • the ring 11 is made of, for example, bearing steel.
  • the ring 11 includes a flange 11a.
  • the flange 11a is formed integrally with the ring 11 and has a T-shaped in cross section.
  • the traveler 12 is made of, for example, oxidized spring steel.
  • the traveler 12 has a C-shaped in cross section.
  • the traveler 12 is mounted to the flange 11a of the ring 11.
  • a chromium-plated layer 13 is formed on a surface of the flange 11a of the ring 11.
  • the chromium-plated layer 13 is preferably a hard chromium-plated layer.
  • the chromium-plated layer 13 has, for example, a thickness of approximately 10 to 20 ⁇ m.
  • the hard chromium-plated layer is a plated layer defined in Japanese Industrial Standard (JIS) H8615: Electroplated coatings of chromium for engineering purposes.
  • JIS Japanese Industrial Standard
  • a friction-reducing portion 14 is formed at least in an inner peripheral surface of the flange 11a of the chromium-plated layer 13 that covers the surface of the flange 11a. The friction-reducing portion 14 forms part of the chromium-plated layer 13, and reduces friction that is generated when the traveler 12 slides on the ring 11. Friction reducing mechanism of the friction-reducing portion 14 will be described later.
  • a yarn Y is passed through the traveler 12, as illustrated in FIG. 1C .
  • the yarn Y is fed from a draft device (not shown), and is wound on the bobbin (not shown) through the traveler 12 during which a predetermined tension is applied to the yarn Y passed through the traveler 12.
  • the traveler 12 is pulled by the yarn Y, and placed in contact with the flange 11a of the ring 11. With the traveler 12 in contact with the flange 11a, the traveler 12 moves in circle along the flange 11a.
  • the traveler 12 slides on the ring 11.
  • the friction-reducing portion 14 is formed in the sliding surface of the ring 11 relative to the traveler 12, as an example. More specifically, the inner peripheral surface of the flange 11a of the ring 11 is covered with the chromium-plated layer 13, and the friction-reducing portion 14 is formed in this chromium-plated layer 13. Therefore, the friction-reducing portion 14 formed in the chromium-plated layer 13 covering the inner peripheral surface of the flange 11a corresponds to the sliding surface between the ring 11 and the traveler 12 according to the present disclosure.
  • a plurality of cracks 15 is formed in the friction-reducing portion 14 of the chromium-plated layer 13.
  • the cracks 15 of random lengths and extending in random directions are formed in the friction-reducing portion 14.
  • the cracks 15 preferably are formed by micro-cracks that is defined in Japanese Industrial Standards: H8615,: Electroplated coatings of chromium for engineering purposes.
  • the plurality of cracks 15 formed in the friction-reducing portion 14 satisfy both of the following two conditions.
  • a microscope picture of the surface of the friction-reducing portion 14 of the chromium-plated layer 13 is taken with a microscope, and the widths of the cracks 15 may be obtained with a scale bar of the microscope.
  • a microscope picture of the surface of the friction-reducing portion 14 of the chromium-plated layer 13 is taken with a microscope, and a straight line was drawn on the picture.
  • the number of micro-cracks was determined by counting the micro-cracks that extend across the straight line of one centimeter length. Because the cracks have random lengths and extend in random directions the straight line may be drawn arbitrarily.
  • the width and the number of cracks of the plurality of cracks 15 are distributed in a normal distribution or a near normal distribution.
  • the cracks 15 that satisfy both the above two conditions may not be formed only by chromium plating. Therefore, in the present embodiment, the formation of the cracks 15 that satisfy both the two conditions are achieved by performing electrolytic etching after the chromium-plated layer 13 is formed on the ring 11 by chromium plating.
  • Conditions for the electrolytic etching are determined so that the plurality of cracks 15 having the average crack width of 0.5 ⁇ m or more and 1.5 ⁇ m or less, and the average of the number of cracks less than 400 per centimeter may be formed.
  • the etching conditions may be current density and the duration of etching.
  • the width of cracks 15 is excessively small relative to the particle size of wear debris that is generated on the sliding surface between the ring 11 and the traveler 12. Thus, the wear debris generated on the sliding surfaces does not smoothly fall into the cracks 15. Wear debris having relatively small particle sizes may fall into the cracks 15, but soon fills the cracks 15 because the narrow cracks 15 is capable of receiving a small amount of wear debris. On the other hand, if the average width of the cracks 15 is large, wear debris generated on the sliding surfaces smoothly falls into the cracks 15, and it secures a long time for wear debris to fill the micro-cracks (the cracks 15).
  • the average crack width is preferably 0.5 ⁇ m or more and 1.5 ⁇ m or less.
  • the average crack width is more preferably 0.6 ⁇ m or more, and even more preferably 0.7 ⁇ m or more.
  • the average crack width is more preferably 1.3 ⁇ m or less, and even more preferably 1.2 ⁇ m or less.
  • the surface roughness is a term that represents properties of a surface of an object.
  • the surface roughness is quantified by the number of protrusions and recesses per unit of length on a surface of an object. That is, the larger the number of protrusions and recesses per unit of area on a surface of an object, the higher the surface roughness, and the smaller the number of protrusions and recesses per unit of area on a surface of an object, the lower the surface roughness.
  • the average of the numbers of cracks becomes 400 cracks per centimeter or more, the surface roughness of the friction-reducing portion 14 is increased.
  • the running-in time is a time necessary for the friction-reducing portion 14 to obtain a desired friction-reducing effect in a case where a yarn is wound on a bobbin by means of a new ring 11 and a new traveler 12.
  • the initial slide resistance is slide resistance generated when a new traveler 12 slides on a new ring 11.
  • the initial slide resistance corresponds to, especially, the slide resistance generated within the slide distance between 0 km and 500 km.
  • the average of the number of cracks is preferably less than 400 per centimeter. Further, to restrict an increase in the surface roughness due to the cracks 15, the average of the number of cracks is more preferably 380 per centimeter or less, and even more preferably 370 per centimeter or less.
  • the average of the number of cracks is preferably 250 per centimeter or more, and more preferably 300 per centimeter or more.
  • the sliding surface between the ring 11 and the traveler 12 is subjected to the sliding movement under no liquid lubrication condition. That is, no liquid lubricant is applied to the sliding surface for the sliding movement of the ring 11 and the traveler 12.
  • metal-to-metal sliding contact without lubricant causes severe wear.
  • the traveler 12 moves in circle on the ring 11 at high speed in the ring-traveler system, so that it is expected that wear rapidly progresses on the sliding surfaces between the ring 11 and the traveler 12 and seizure and severe wear occurs in a few minutes to a few hours. In actuality, however, the progress of the wear of the ring-traveler system is unexpectedly and considerably slow.
  • the traveler In a cotton spinning machine, for example, the traveler is usually replaced with a new one at an interval of one to two weeks. Therefore, it is thought that the sliding surface between the ring 11 and the traveler 12 are tribologically not under no-lubrication condition, but under boundary-lubrication condition. It is considered that the unexpectedly longer serviceable life of the traveler is due to the tribological boundary lubrication.
  • Analysis by the inventors showed that a cellulose film was formed on the surface of the ring 11 on which the traveler 12 slides and such cellulose film provided the lubrication effect.
  • cellulose is included in cotton that is a material for the yarn Y.
  • the cellulose in the film may be thought to be formed from fibers that are separated from a yarn passing through the traveler 12 during spinning operation and caught in a contact interface, that is, the sliding surface between the ring 11 and the traveler 12.
  • a plurality of cracks 15 is formed in the sliding surface between the ring 11 and the traveler 12 on which the traveler 12 slides. Therefore, cellulose fibers having separated from yarn Y enter the sliding surface between the ring 11 and the traveler 12, and such fibers adhere to and retained by the cracks 15 of the sliding surface.
  • a lubrication component mainly, carbon
  • cellulose fibers spreads like a film. Consequently, cellulose fibers form a film on the sliding surfaces of the ring 11 and the traveler 12. Lubrication function of the film provides a friction-reducing effect. Therefore, even if liquid lubricant is not applied, friction generated on the sliding surface between the ring 11 and the traveler 12 may be reduced, and thus wear of the ring 11 and the traveler 12 is reduced.
  • a conventional ring 11, the ring 11 according to the present disclosure, the ring 11 of the comparative example1, and the ring 11 of the comparative example 2 were evaluated, which are separately shown in the table.
  • a surface of the conventional ring 11 was only plated with chromium.
  • FIG. 5 shows the plated surface of the conventional ring 11 observed with an electron microscope.
  • FIG. 6 shows the plated surface of the ring 11 of the present embodiment observed with an electron microscope.
  • FIG. 7 shows traveler wear debris on the ring 11 observed with an electron microscope. It is clear from the comparison between FIG. 5 and FIG. 6 , the cracks on the plated surface of the conventional ring 11 are not clearly shown in FIG. 5 , but the cracks on the plated surface of the ring 11 of the present embodiment, in contrast, are clearly shown in FIG. 6 . It is thought that the reason is that dimensions of minute cracks formed by chromium plating on the surface of the chromium-plated layer 13 were increased in width and depth by electrolytic etching. Although the particle sizes of the wear debris generated on the sliding surface between the ring 11 and the traveler 12 are slightly varied, as shown in FIG. 7 , the particle sizes of the wear debris tended to be similar to each other.
  • the conventional ring 11 has the average crack width of less than 0.5 ⁇ m
  • the ring 11 of the present embodiment has the average crack width of 0.74 ⁇ m
  • the ring 11 of the comparative example 1 has the average crack width of 1.07 ⁇ m
  • the ring 11 of the comparative example 2 has the average crack width of 2.01 ⁇ m due to the above-described differences in the conditions for forming the cracks.
  • the standard deviations of the crack width the ring 11 of the present embodiment has the standard deviation of 0.26 ⁇ m
  • the ring 11 of the comparative example 1 has the standard deviation of 0.42 ⁇ m
  • the ring 11 of the comparative example 2 has the standard deviation of 0.83 ⁇ m.
  • the conventional ring 11 has 151.5 per centimeter
  • the ring 11 of the present embodiment has 356.5 per centimeter
  • the ring 11 of the comparative example 1 has 573.8 per centimeter
  • the ring 11 of the comparative example 2 has 896.9 per centimeter.
  • the standard deviation of the number of cracks the conventional ring 11 has the standard deviation of 51.0 per centimeter
  • the ring 11 of the present embodiment has the standard deviation of 56.0 per centimeter
  • the ring 11 of the comparative example 1 has the standard deviation of 139.0 cracks per centimeter
  • the ring 11 of the comparative example has the standard deviation of 127.2 per centimeter.
  • the serviceable life of the parts is evaluated based on the sliding distances of the traveler 12 that moves in circle on the rings 11 in contact therewith with the rotation speed of the spindle, which determines the rotation speed of the bobbin, at 20000 rpm.
  • the sliding distance corresponds to the distance of the traveler 12 from the start of its use until the traveler 12 comes off from the flange 11 due to wear are evaluated.
  • the sliding distance of the traveler 12 with the conventional ring 11, the sliding distance of the traveler 12 with the ring 11 of the present embodiment, the sliding distance of the traveler 12 with the ring 11 of the comparative example 1, and the sliding distance of the traveler 12 with the ring 11 of the comparative example 2 are determined to be 1890 km, 7091 km or more, 7091 km or more, and 3072 km, respectively. It is to be noted that the sliding distances of traveler 12 with the ring 11 of the present embodiment and with the ring 11 of the comparative example 1 are both 7091 km or more because the evaluation test was discontinued when slide distances of the travelers reached 7091 km.
  • the serviceable lives of the parts of the present embodiment and the comparative example are three times or more as long as the serviceable lives of the parts with the conventional ring 11.
  • the average of the number of cracks is relatively large, 573.8 per centimeter.
  • the surface roughness of the friction-reducing portion 14 of the comparative example 1 increases, so that a running-in time increases.
  • FIG. 4 shows changes in the sliding resistance relative to the sliding distance of the traveler 12 with the conventional ring 11, with the ring 11 of the present embodiment, with the ring 11 of the comparative example 1, and with the ring 11 of the comparative example 2.
  • the slide resistance was determined by measuring, with a load cell, a drag torque applied from the traveler 12 to the ring 11 with the ring 11 rotatably supported.
  • the slide resistance suddenly starts rising when the slide distance exceeds 1000 km and the serviceable life ends.
  • the ring 11 of the comparative example 2 the slide resistance suddenly starts rising when the slide distance exceeds 2000 km, and the serviceable life of the parts ends.
  • the slide resistance does not start rising even after the slide distance of exceeds 2000 km, and such tendency is maintained even after the slide distance exceeds 7000 km.
  • the evaluation result of the serviceable life is similar to that of the present embodiment, through the variation in the sliding resistance is greater than that of the present embodiment.
  • the initial slide resistance of the present embodiments is smaller than that of the comparative example 1. It is inferred that the reason is that the average of the number of cracks in the present embodiment is smaller than that in the comparative example 1 and thus an increase in the surface roughness of the friction-reducing portion 14 of present embodiment is restricted, as compared with the comparative example 1.
  • the present embodiment offers the following effects.
  • the plurality of cracks 15 formed on the sliding surface between the ring 11 and the traveler 12 having the average crack width of 0.5 ⁇ m or more and 1.5 ⁇ m or less.
  • wear debris generated on the sliding surface between the ring 11 and the traveler 12 smoothly falls into the cracks 15, and it takes a long time for wear debris to fill the cracks 15.
  • the average of the number of cracks of less than 400 per centimeter is formed in the friction-reducing portion 14.
  • the ring-traveler system of the present embodiment achieves long serviceable life of its parts and the reduction in the running-in time at the same time.
  • the chromium-plated layer 13 covers the flange 11a of the ring 11 in the above embodiment, the chromium-plated layer 13 may be formed so as to cover the entire surface of the ring 11 including the flange 11a.
  • the etching method need not be necessarily limited to the electrolytic etching.
  • chemical etching may be applied instead of electrolytic etching.
  • the friction-reducing portion 14 is formed on the ring 11 in the above embodiment, the friction-reducing portion 14 may be formed on the traveler 12. Further, the friction-reducing portion 14 may be formed on both the ring 11 and the traveler 12.
  • the material used for spinning yarn is not limited to cotton, but may be hemp, silk, wool and chemical fiber (nitrocellulose, nylon, or vinylon) and the like.
  • the flange 11A of the ring 11 of the ring-traveler system need not be T-shaped in cross-section.
  • the flange 11A may be formed inclined in cross-section, as shown in Fig. 4 .
  • the traveler 12 should be formed so as to match the inclined flange 11A.
  • a ring-traveler system of a ring-type spinning machine in which liquid lubricant is not applied for sliding movement including a plurality of cracks (15) formed in a sliding surface (14) between a ring (11) and a traveler (12).
  • the plurality of cracks (15) has an average crack width of 0.5 ⁇ m or greater and 1.5 ⁇ m or less. An average of the number of cracks is less than 400 cracks per centimeter.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP19180784.1A 2018-06-26 2019-06-18 Système anneau-curseur pour métier à filer à anneaux Active EP3587633B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018120701A JP7163632B2 (ja) 2018-06-26 2018-06-26 リング式紡機のリング／トラベラ系

Publications (2)

Publication Number Publication Date
EP3587633A1 true EP3587633A1 (fr) 2020-01-01
EP3587633B1 EP3587633B1 (fr) 2022-09-07

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EP19180784.1A Active EP3587633B1 (fr) 2018-06-26 2019-06-18 Système anneau-curseur pour métier à filer à anneaux

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EP (1) EP3587633B1 (fr)
JP (1) JP7163632B2 (fr)
CN (1) CN110644084B (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6360520B2 (en) * 2000-01-14 2002-03-26 Ab Carter, Inc. Spinning ring having amorphous chromium bearing surface
EP2682507A2 (fr) * 2012-07-04 2014-01-08 Kabushiki Kaisha Toyota Jidoshokki Système de curseur de machine à filer à anneaux
EP3009541A1 (fr) * 2014-10-15 2016-04-20 Kabushiki Kaisha Toyota Jidoshokki Dispositif à anneau et curseur pour métier à filer à anneau

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0811848B2 (ja) * 1987-12-28 1996-02-07 金井 宏之 紡機用リング
JPH0686688B2 (ja) * 1988-09-05 1994-11-02 博史 山口 紡績用回転リングの軸承装置
JPH02182926A (ja) * 1988-12-29 1990-07-17 Kanai Hiroyuki 紡機用リング
CH688155A5 (de) * 1994-01-17 1997-05-30 Rieter Ag Maschf Ringspinnmaschine.
DE102011053661A1 (de) * 2011-09-16 2013-03-21 Deutsche Institute Für Textil- Und Faserforschung Denkendorf Fadenführungsring für eine Spinnmaschine oder eine Zwirnmaschine
JP5910569B2 (ja) * 2012-07-04 2016-04-27 株式会社豊田自動織機 リング式紡機のリング／トラベラ系
CN204125616U (zh) * 2014-10-15 2015-01-28 江南大学 一种具有自动润滑功能的三层平行轨道钢领

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6360520B2 (en) * 2000-01-14 2002-03-26 Ab Carter, Inc. Spinning ring having amorphous chromium bearing surface
EP2682507A2 (fr) * 2012-07-04 2014-01-08 Kabushiki Kaisha Toyota Jidoshokki Système de curseur de machine à filer à anneaux
JP2014029046A (ja) 2012-07-04 2014-02-13 Toyota Industries Corp リング式紡機のリング／トラベラ系
EP3009541A1 (fr) * 2014-10-15 2016-04-20 Kabushiki Kaisha Toyota Jidoshokki Dispositif à anneau et curseur pour métier à filer à anneau

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Publication number Publication date
EP3587633B1 (fr) 2022-09-07
CN110644084A (zh) 2020-01-03
JP2020002484A (ja) 2020-01-09
CN110644084B (zh) 2022-12-16
JP7163632B2 (ja) 2022-11-01

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