EP0986659B1 - Procede et metier a filer destines a la production de fils a ame - Google Patents

Procede et metier a filer destines a la production de fils a ame Download PDF

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Publication number
EP0986659B1
EP0986659B1 EP99944134A EP99944134A EP0986659B1 EP 0986659 B1 EP0986659 B1 EP 0986659B1 EP 99944134 A EP99944134 A EP 99944134A EP 99944134 A EP99944134 A EP 99944134A EP 0986659 B1 EP0986659 B1 EP 0986659B1
Authority
EP
European Patent Office
Prior art keywords
suction
thread
core
roller
spinning
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.)
Revoked
Application number
EP99944134A
Other languages
German (de)
English (en)
Other versions
EP0986659A1 (fr
Inventor
Friedrich Dinkelmann
Andreas Olbrich
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Zinser Textilmaschinen GmbH
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
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Application filed by Zinser Textilmaschinen GmbH filed Critical Zinser Textilmaschinen GmbH
Publication of EP0986659A1 publication Critical patent/EP0986659A1/fr
Application granted granted Critical
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Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • 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
    • D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
    • D01H1/025—Spinning or twisting machines in which the product is wound-up continuously ring type with a condensing device between drafting system and spinning unit
    • 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
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • D02G3/367—Cored or coated yarns or threads using a drawing frame

Definitions

  • the invention relates to a method for producing core yarn, in which at least one in a drafting device refined fiber sliver before it solidifies by imparting rotation a core thread is fed, which is embedded in sheath fibers, the Drafting device arranged downstream of a pneumatic compression device that bundles the fiber sliver is.
  • the invention further relates to a spinning machine for producing core yarn, with a Drafting system that delivers at least one fiber sliver, the drafting system being a device for feeding core yarn to the fiber sliver and at its outlet one or at least one Fibrous sliver compacting, revolving, perforated, under suction Compression device is arranged downstream.
  • the compression of a fiber sliver delivered by a drafting system offers the advantage that the The fiber sliver is brought together tightly to the twist zone in which it becomes a yarn is solidified. You jump into this tightly summarized fiber sliver Rotation device imparted rotation up to close to the clamping line, i.e. is the spinning triangle tiny. This has the consequence that the loss of splitting edge fibers is minimal, and that the yarn produced has little protruding fibers, i.e. has low hairiness and has higher strength.
  • the manufacture of core yarn or core yarn is characterized in that when forming the Yarns, in particular when it is stretched to the intended fineness and its Strengthening by turning, a core thread inserted into the fiber sliver and from sheath fibers is wound, so that the core thread is no longer visible at best.
  • the core thread essentially contributes to the strength and elongation of the yarn produced, while the sheath fibers primarily determine the feel and appearance of the yarn.
  • the core thread is therefore usually an endless, synthetic thread, while as Sheath fibers mostly natural staple fibers such as cotton and / or wool are used.
  • the core thread in a core yarn should be as completely as possible into the outer thread Sheath fibers determining appearance are embedded.
  • normal core yarn spinning This is done by the fact that the core thread of the last, usually in the Main warping area is fed widely spread fiber sliver, while the Laying the sheath fibers around the core thread by turning the fiber structure between the pair of output rollers and the organ giving the rotation, as a rule a ring spinning spindle. This embedding takes place in some places along the yarn often incomplete, which represents a loss in quality of the core yarn produced.
  • the compression zone often shows a slight, albeit slight, distortion, which ensures optimal Compacting is advantageous.
  • this delay which is the core thread by clamping both in the output roller pair of the drafting system and in that of downstream delivery roller pair is also subject to adversely affect the core thread can.
  • the object of the invention was to avoid this disadvantage. It solves them Task in that the core thread of the fiber sliver is fed after it Has left the drafting system and before it enters the compression device. This will ensures that the core thread is not subject to warping in the compression zone, on the other hand, it is subjected to the sheathing by the sheath fibers in the compression zone remains. The compressed and tightly packed sheath fibers effectively cover the core thread.
  • a compression device under suction which is a perforation track, that is to say in the direction of the movement of the fiber sliver Row of small suction openings to which the fibers of the fiber sliver are sucked.
  • This perforation track can be in rotating, cylindrical rollers (DE 44 28 269 A1) or in circumferential, flexible straps (EP 0 635 590 A2) can be arranged.
  • the core thread can do this
  • the drafting system can be fed from the side - from above or from below - on which the Suction strap is arranged and around the deflection edge on the inlet side of the suction strap be directed.
  • the suction strap is one in the area of its inlet side Assigned guide roller around which the core thread is guided. If the Compression device has a suction roller, the core thread is the circumference of this Suction roller fed.
  • Thread balloonless or reduced thread balloon spinning reduces the thread tension in the Thread piece between the spindle tip and the pair of output rollers of the drafting systems and increases the Twist density in this thread piece. Hence, these effects support the through the compression of the fiber sliver brought about an effect.
  • This balloonless or thread balloon reduced spinning can in particular by a Spindle attachment on the spinning spindle of the ring spinning device in the form of a spinning finger or of a spinning crown.
  • the fiber sliver is also rotated and wound up using a pot spinning device balloonless and thereby reduces the thread tension in the thread piece between the Output roller pair of the drafting system and the deposit point of the yarn in the spinning pot. Also this measure leads to the advantages of balloonless spinning already mentioned.
  • a drafting system delivers several, in particular two, fiber sliver side by side, can core false twine can be produced by means of the invention.
  • the spinning machine according to the invention has a drafting system 1 which is more common Design with an input roller pair 2, a middle roller pair 3 and a pair of output rollers 4.
  • the bottom rollers 2 ', 3' and 4 'of these roller pairs are designed as steel rollers, which extend over the length of the drafting system area of the spinning machine extend and point in the area of work Corrugation on.
  • the top rollers 2 ", 3" and 4 are as twin rollers trained who provided with elastic covering 5 and by means of a handlebar (not shown) on one in FIGS. 3 and 8 indicated support and load arm 6 stored and are spring loaded.
  • rollers 2 'and 2 "of the middle roller pair 2 are equipped with straps 7, each in not shown, also on the support and loading arm 6 and the punch of the drafting system 1 carried strappy cages are.
  • the drafting system 1 delivers a final fineness stretched, ribbon-shaped, not yet consolidated fiber sliver 8 from. It is understood that the invention also in connection with Other types of drafting equipment can be implemented.
  • the drafting unit 1 is a core thread delivery unit 9 assigned that in the embodiments of Figures 1 to 3 and 5 to 8 two, also over the length of the drafting area of the spinning machine extending unwinding rollers 10.
  • the unwinding rolls 10 there is a core thread spool 11 from the one shown in dash-and-dot lines in the drawing Core thread 12 led to the input side of the output roller pair 4 is.
  • the rolling rollers 10 are not shown here Way on the gear of the spinning machine at the peripheral speed of the delivery roller pair 4 driven. Thereby it is achieved that the core thread 12 of the drafting machine 1st delivered fiber sliver 8 with their take-off speed the main warping area between the pair of rollers 3 and 4 corresponding Speed is increasing.
  • a core thread thread guide 13 is assigned to the core thread delivery unit 9, of at least the traversing movement of the core spool 11 running core thread 12 neutralized. Since the Ability of the compression devices described below to suck in the fiber sliver 8 or its fibers laterally, is limited, the fiber sliver 8 by the common roving inlet funnel 14 of the drafting system 1 not or only to a small extent Extent can be changed. So that the core thread 12 of the fiber sliver 8 always runs in the middle, the core thread guide 13 centered on the roving inlet hopper 14 of the drafting device 1 and this position must be upright when the fiber sliver changes be preserved. This can be done by using roving inlet funnels 14 and core thread guide 13 mechanically coupled are what in Fig. 4 by a dash-dotted line of action 15 is indicated.
  • a core thread guide known per se to use which is freely movable sideways and - Taken from the fiber sliver 8 running through the drafting system - Centered the core thread 12 to the fiber sliver or an iridescent Fuse fuse tracks.
  • suction rotor of FIG. 7 can also vary widely Summarize fiber sliver 8 so that when used both the fiber sliver using the common roving inlet funnel 14 at the inlet of the drafting unit 1 and the Core thread 12 by means of the core thread thread guide 13 - synchronously with the roving inlet hopper 14 - can change widely.
  • the core thread 12 can also be from one fixed core thread cop 16 are withdrawn overhead.
  • the Core thread cop 16 is placed on a holding tube 17 for this purpose and passed through this holding tube. Because in the embodiment this Figure 4, the function of the pair of output rollers of the drafting system 1 by a later described Suction roller 18 in connection with an upper roller assigned to it 37 is exercised, the core thread 12 in this case Top roller fed and by the conveying effect of this combination of rollers subtracted from the core thread cop 16.
  • a core thread guide roller 20 with a central thread guide groove 21 may be provided instead of the core thread guide 13 .
  • This core thread guide roller 20 can be stored in the bearing and load arm 6 of the drafting system his. Since it cannot be changed, it is in use traversing the fiber sliver 8 is not possible.
  • the drafting device 1 is a compression device 22 for the Drafting device 1 delivered fiber sliver 8 arranged downstream.
  • this Compression device 22 there are a number of advantageous Embodiments, some of which are shown in the figures of FIG Drawing shown and are described below.
  • the compression device 22 a suction roll 18 with a perforation 23 in the form of small suction openings 24 arranged in a line is.
  • the suction roller 18 is designed as a twin top roller and is via a support and loading arm indicated in Fig. 3 6 pressed onto two lower rollers 25 and 26.
  • the in the direction of construction of the fiber sliver 8 upstream lower roller 25 can be wrapped by a strap that does the job has, the fiber sliver 8 between the pair of output rollers 4 and To guide suction roller 18.
  • Fig. 3 also shows the design of this suction roller 18. It is pot-shaped and together with their twin roller an axis 19 mounted in the support and load arm 6. A fixed suction chamber protrudes through its open side 28 inside.
  • the suction chamber 28 is - also in the The following described variants of the compression device 22 - As indicated in Fig. 1 via a pipe or hose line 29 with a motor 30 and a suction pump 31 Suction source 32 connected.
  • the suction of this suction source 31 is through the suction chamber 28 formed by a shield 33 onto one Part of the perforation of the suction roller 18, on a compression zone 34 limited. Only in this compression zone 34 the suction chamber 28 is open towards the perforation 23, so that only there the suction through the perforation on the Outside of the suction roller 18 can act.
  • the suction roll 18 is usually made of steel. To metallic between her coat and usually as well steel lower rollers 25 and 26 to avoid wear and tear, Noise and glide would be avoided either the suction roller 18 or the lower rollers 25, 26 with elastic Cover 5 provided. In the reproduced in Fig. 1 and 3 An alternative is the suction roll 18 with the elastic covering 5 provided, in the embodiment of FIG. 2, the lower rollers 25, 26th
  • Fig. 4 shows an embodiment in which a suction roll is similar used as the suction lower roller 35 described above is. It is as a tube provided with the perforation 23 executed and stored and driven in the punch of the drafting system 1. Inside the suction chamber 28 is arranged, their suction effect by means of a screen 33 on the compression zone 34 is limited.
  • the suction lower roller 35 is at least an upper roller 36 assigned, which as a rotation stop for the by the rotation-issuing device - here in the form of a Ring spinning device - initiated rotation serves. At the beginning of the A further upper roller 37 can be arranged in the compression zone 34 his.
  • This top roller 37 forms in this embodiment of the Drafting unit 1 in cooperation with the suction (lower) roller 35 Output roller pair of the main drafting zone of the drafting system.
  • the drafting system 1 therefore has one pair of rollers less in this case on than in the other versions.
  • the top rollers 36 and 37 have elastic cover 5 and are in the load and load arm 6 of the drafting system stored and loaded.
  • the compression device has 22 a suction strap 38, which is made of elastic There is plastic and wraps around an upper roller 39.
  • This Suction strap 38 has the perforation 23 in the center around its circumference in the form of small suction openings 24 arranged in a line.
  • This Suction strap 38 is inside the suction strap 39 by means of the screen 33 the fixed suction chamber 28 separated. It limits the Suction on the compression zone 34 in which they oppose opens the inner circumference of the suction strap 38.
  • the upper roller 39 lies with the suction belt 38 on a driven one Lower roller 40, which is like the lower rollers of the drafting system over the length of the stretching field area of the spinning machine passes through and drives the top roller and suction belt.
  • a suction strap 41 which may resemble the one described above, entwined Roll below the run of the fiber sliver 8, that is the stretching field level arranged as a lower roller 42. It lies on a lower drive roller 43, which is considered to be over the range of the Spinning machine continuous steel roller is formed and the Drive of the apron roller 42 and one assigned to it, above the top roller 44 lying on the patch panel level.
  • a suction chamber 28 connected to the suction source 32 is arranged. Both the suction belt lower roller 42 and the upper roller 44 are designed as twin rollers and on the support and Load arm 6 of the drafting system 1 is supported and loaded.
  • the Top pressure roller 44 can have elastic covering 5 or - there it rests on the suction strap 41 made of elastic plastic, also have a steel coat.
  • the arrangement of a separate strappy twin bottom roller 42 offers the advantage that the suction strap 41 replaced more easily when worn can be.
  • the compression device 22 can also be a have disc-shaped suction rotor 45 on its circumference contains the perforation 24 and is arranged so that the the plane containing perforation lies approximately in the plane, which the rollers of the output roller pair 4 of the drafting system in whose clamping line is tangent.
  • the compression zone 34 extends from the output roller pair 4 for example a quarter of the circumference of the suction rotor, at its end a pressure roller 46 is pressed resiliently onto the suction rotor 45.
  • the suction rotor 45 is, for example, by means of one which engages its shaft 47 and by means of pressure rollers 48 pressed against them, endless, rotating tangential drive belt 49 driven.
  • the suction rotor 45 is driven at a speed that its Circumferential area one of the delivery speed of the Output roller pair 4 gives appropriate speed.
  • the lower rollers 2 ', 3', 4 ', the drafting system 1 and the lower rollers 25, 26, 35, 40 and 43 of the different variants of the Compression device 22 are, as by the in Fig. 1st indicated dash-dotted line of action 50, by means of a gear, not shown, or also by means of Individual drives in coordinated Speed ratios driven.
  • the compression device 22 is in the embodiments of FIG 1, 4 and 5 and 7 and 8 a common ring spinning device 51 with spindle bank 52, spinning spindle 53, ring bank 54, spinning ring 55, ring traveler 56 and thread guide 57 downstream.
  • Fig. 6 shows an embodiment in which the compression device 22 is a common pot spinning device 58, with a spin pot 60 stored in a pot bank 59, in which means a thread guide tube 61 moving up and down Spinnkuchen 62 is built up.
  • the drafting system 1 delivers from the output roller pair 4 a fiber sliver 8, which due to the diameter of the incoming Roving and the warping has a certain width and in which the core thread 12 is inserted in the middle.
  • a fiber sliver 8 which due to the diameter of the incoming Roving and the warping has a certain width and in which the core thread 12 is inserted in the middle.
  • FIG. 4 shows the use of one without a thread balloon or with a reduced one Thread balloon working ring spinning device 51 shown.
  • Spinning finger 64 arranged in cooperation with the thread guide 57 captures the incoming core yarn 63 to the Thread tube 65 loops and without thread balloon or with only very small, reduced thread balloon to the ring traveler 56.
  • the spinning finger 64 can also be a known and therefore, not shown and described here, equivalent Spin crown can be used.
  • FIG. 8 shows the possibility that Compression device 22 - in the example that of FIG. 5 - equip for making false twine.
  • the Suction strap 38 has a perforation 23 in the form of two at a distance adjacent rows of suction openings 24 on, by two of them at the respective job of two Roving bobbins 67 running and stretched in the drafting device 1 and delivered side by side by the pair of output rollers 4 Fibrous webs 8, 8 'are still compressed separately.
  • After expiration of these compressed fiber slivers from the lower roller 40 of the Compression device 22 run the two fiber slits in Union point 68 together and are marked by a Ring spinning device 51 or by a pot spinning device 58 turned into a false thread 66 and wound up.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (3)

  1. Procédé pour fabriquer du fil à âme, selon lequel une âme (12) qui sera entourée d'une enveloppe de fibres rejoint au moins une mèche de fibres (8, 8') affinée dans un banc d'étirage (1) avant que cette dernière ne soit renforcée par torsion, sachant qu'un dispositif de compression (22) pneumatique resserrant la mèche de fibres (8, 8') est placé en aval du banc d'étirage (1), caractérisé en ce que l'âme (12) est ajoutée à la mèche de fibres (8) après que cette dernière à quitté le banc d'étirage (1) et avant qu'elle n'entre dans le dispositif de compression (22).
  2. Métier à filer pour fabriquer du fil à âme (63), comprenant un banc d'étirage (1) délivrant au moins une mèche de fibres (8, 8'), sachant qu'un dispositif (9) pour ajouter une âme (12) à la mèche de fibres est associé au banc d'étirage (1) et qu'à la sortie de ce dernier est placé un dispositif de compression (22) rotatif soumis à un tirage par aspiration, muni d'une perforation (23) et comprimant au moins une mèche de fibres (8, 8'), caractérisé en ce que l'âme (12) rejoint la mèche de fibres (8, 8) entre la sortie du banc d'étirage (1) et l'entrée du dispositif de compression (22).
  3. Métier à filer selon la revendication 2, caractérisé en ce qu'un cylindre de guidage de l'âme (20) est associé à l'entrée du dispositif de compression (22), autour duquel passe l'âme (12).
EP99944134A 1998-04-03 1999-03-31 Procede et metier a filer destines a la production de fils a ame Revoked EP0986659B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19815054A DE19815054C5 (de) 1998-04-03 1998-04-03 Verfahren und Spinnmaschine zum Herstellen von Coregarn
DE19815054 1998-04-03
PCT/DE1999/001050 WO1999051801A1 (fr) 1998-04-03 1999-03-31 Procede et metier a filer destines a la production de fils a ame

Publications (2)

Publication Number Publication Date
EP0986659A1 EP0986659A1 (fr) 2000-03-22
EP0986659B1 true EP0986659B1 (fr) 2002-11-06

Family

ID=7863543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99944134A Revoked EP0986659B1 (fr) 1998-04-03 1999-03-31 Procede et metier a filer destines a la production de fils a ame

Country Status (6)

Country Link
US (1) US6318060B1 (fr)
EP (1) EP0986659B1 (fr)
JP (1) JP2002500709A (fr)
CN (1) CN1263572A (fr)
DE (2) DE19815054C5 (fr)
WO (1) WO1999051801A1 (fr)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
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DE19955230A1 (de) * 1999-11-17 2001-05-23 Rieter Ag Maschf Spinnmaschine mit Verdichtungseinrichtung
DE10040073A1 (de) * 2000-08-16 2002-02-28 Rieter Ag Maschf Spinnmaschine mit Verdichtungseinrichtung
DE10127741C2 (de) * 2001-06-08 2003-05-08 Zinser Textilmaschinen Gmbh Streckwerk für eine Spinnereimaschine
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DE10158001A1 (de) * 2001-11-22 2003-06-05 Stahlecker Gmbh Wilhelm Vorrichtung an einer Spinnmaschine zum Verdichten eines Faserverbandes
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EP1726694B1 (fr) * 2005-05-23 2017-03-29 Murata Kikai Kabushiki Kaisha Appareil pour la production d'un fil d'âme
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US8544252B2 (en) * 2008-08-04 2013-10-01 The Hong Kong Polytechnic University Method and apparatus for reducing residual torque and neps in singles ring yarns
CN101492843B (zh) * 2008-12-31 2010-05-12 武汉科技学院 一种嵌入式***定位纺纱方法
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CH704133A2 (de) * 2010-11-26 2012-05-31 Rieter Ag Maschf Vorrichtung zum Verdichten eines Faserbandes an einer Spinnmaschine.
CN102071500A (zh) * 2010-12-31 2011-05-25 山东华乐新材料科技股份有限公司 一种改进型环锭纺细纱机及其纺纱工艺
CH705308A1 (de) * 2011-07-25 2013-01-31 Rieter Ag Maschf Verdichtungsvorrichtung für eine Spinnmaschine.
CN103060960A (zh) * 2013-01-15 2013-04-24 东华大学 一种含金属丝纱线的加工装置
KR101431577B1 (ko) 2013-03-14 2014-08-20 사단법인 코티티시험연구원 링 정방기에서의 패치사 제조장치
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US20160160406A1 (en) * 2014-05-29 2016-06-09 Arun Agarwal Production of high cotton number or low denier core spun yarn for weaving of reactive fabric and enhanced bedding
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CN107475846A (zh) * 2017-09-04 2017-12-15 陆正明 纱线、纱线制备方法及纱线生产设备
CN107604503A (zh) * 2017-10-09 2018-01-19 陆正明 细纱制备方法及细纱生产设备
DE102019128326A1 (de) * 2019-10-21 2021-04-22 Saurer Spinning Solutions Gmbh & Co. Kg Verdichtungsvorrichtung für ein Streckwerk einer Spinnmaschine sowie Streckwerk für eine Verdichtungsvorrichtung
DE102019135719B4 (de) 2019-12-23 2023-11-30 Peppermint Holding GmbH Vorrichtung und Verfahren zur Herstellung eines Core-Garns
JP6822708B1 (ja) * 2020-03-25 2021-01-27 株式会社Ｉｔｏｉ生活文化研究所 複合紙糸及び該製造装置並びに該製造方法
CN111519304B (zh) * 2020-04-28 2023-08-22 广东天海花边有限公司 一种可调包覆张力式包覆纱机
CN116446204B (zh) * 2023-04-23 2024-01-12 宁波华佑工具有限公司 一种灯带绳索的制作工艺

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JP2002500709A (ja) 2002-01-08
DE59903302D1 (de) 2002-12-12
US6318060B1 (en) 2001-11-20
EP0986659A1 (fr) 2000-03-22
DE19815054C1 (de) 1999-10-14
WO1999051801A1 (fr) 1999-10-14
CN1263572A (zh) 2000-08-16
DE19815054C5 (de) 2007-06-14

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