WO1992013789A1 - Procede et dispositif de fabrication de bobines de fils a coudre sans support et support de bobines de fils d'aiguille - Google Patents

Procede et dispositif de fabrication de bobines de fils a coudre sans support et support de bobines de fils d'aiguille Download PDF

Info

Publication number
WO1992013789A1
WO1992013789A1 PCT/DE1992/000067 DE9200067W WO9213789A1 WO 1992013789 A1 WO1992013789 A1 WO 1992013789A1 DE 9200067 W DE9200067 W DE 9200067W WO 9213789 A1 WO9213789 A1 WO 9213789A1
Authority
WO
WIPO (PCT)
Prior art keywords
needle thread
bobbin
sleeve
thread spool
spool
Prior art date
Application number
PCT/DE1992/000067
Other languages
German (de)
English (en)
Inventor
Walter MÖRBT
Original Assignee
Mez Aktiengesellschaft
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 Mez Aktiengesellschaft filed Critical Mez Aktiengesellschaft
Publication of WO1992013789A1 publication Critical patent/WO1992013789A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/28—Applications of bobbins for storing the lower thread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate
    • B65H49/04—Package-supporting devices
    • B65H49/06—Package-supporting devices for a single operative package
    • B65H49/08—Package-supporting devices for a single operative package enclosing the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B43/00—Spool-pin assemblies incorporated in sewing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a method and Vorriclv processing for preparing an unsupported, from the inner, side running needle thread spool and a Spulen ⁇ carrier for receiving a needle thread coil.
  • Needle thread bobbins are generally wound up on an inner core, the beginning of the thread being fixed on the core, for example by being clamped in a slot. Since the needle thread has been applied to the core under pre-tension (ech. Bed. Lengthening), the removal is also under pre-tension. This needle thread pretension has a negative effect on the manufacture or the appearance of the seams, in particular in the case of light fabrics. The thread tries to return to its original starting position and contracts again after sewing, taking the fabric with it. This leads to the familiar curling of the fabric. By spooling, jammed threads u. A jerky deduction can occur, which sometimes results in considerable seam irregularities.
  • the invention is based on the object of producing a needle thread bobbin in such a way that the thread can be pulled off without tension and when the thread is sewn no tension is transferred to the fabric and tension curling is avoided even with light fabrics.
  • the finished needle thread spool is to be protected against damage and soiling.
  • the needle thread spool applied to a core sleeve is inserted into an outer sleeve and axially compressed from both end faces under the action of heat by means of pressure stamps.
  • the core sleeve and the compressed needle thread bobbin are pulled out of the outer sleeve together as a unit and the needle thread bobbin is then pulled off the core sleeve.
  • the core sleeve, the outer sleeve and the pressure stamps are advantageously designed to be heatable, the core sleeve advantageously being formed from a non-deformable material.
  • the finished needle thread bobbin is mounted in a bobbin consisting of a lower bobbin part and an upper bobbin part that can be placed thereon.
  • a plug-on sleeve is expediently arranged on the outside of the bobbin lower part for the purpose of plugging the bobbin onto conventional yarn stands.
  • the upper part of the coil carrier is formed from transparent material. On the front of the upper part of the coil carrier is a provided central thread exit, which is advantageously formed by a polished eyelet.
  • the thread of the needle thread bobbin is completely relaxed, so that no more pretension is introduced into the fabric or into the seam and, as a result, tension crimping cannot occur. It is particularly advantageous to use needle thread bobbins according to the invention in connection with bobbin threads running from the inside.
  • the inner pull-off of the thread switches disruptive influences due to jammed threads, spools and the like. ⁇ . from. Since a correspondingly large inner free space is created by the core sleeve, the thread run is continuously lighter, more uniform and jerk-free.
  • Fig. 1 shows a section through a device for compressing a needle thread bobbin
  • Fig. 2 shows a section through a bobbin with inserted needle thread bobbin.
  • the needle thread spool 4 applied to a core sleeve 1 is inserted into an outer sleeve 2 and axially compressed from both end faces by pressure rams 3 guided inside the outer sleeve 2.
  • the core sleeve 1, the outer sleeve 2 and the pressure stamp 3 trained heatable.
  • the compressed needle thread winding 4 and the core sleeve 1 are pulled out of the outer sleeve 2 as a unit.
  • the needle thread spool 4 is then pulled off the core sleeve 1.
  • solidification takes place, with the achievement of a self-supporting dimensional stability. In addition, the tension in the thread is reduced.
  • the thread can be pulled off the inside of the needle thread spool 4 without tension. When pressed together, there is neither an increase in the outside diameter, nor a decrease in the cylindrical cavity present within the needle thread spool 4. It is possible to remove the existing core in the conventional needle thread spools 4 and to replace it with a non-deformable core sleeve 1.
  • the needle thread can also be wound up immediately on a non-deformable core sleeve 1. After the compressed needle thread spool 4 has been pulled off, the non-deformable core sleeve 1 is used again for winding and expediently has a diameter which corresponds to the diameter of the sleeve of the known needle thread spool.
  • the bobbin consists of a lower bobbin part 5 and a bobbin upper part 7 which can be placed thereon, both of which are formed from transparent material.
  • a push-on sleeve 6 designed for insertion on known yarn stands.
  • the running thread 9 is centrically from the upper end side deducted.
  • a polished eyelet 8 is used for guidance.
  • the needle thread bobbin 4 is protected against dirt, deformation and the like. protected.
  • the transparent bobbin upper part 7 enables control over the state of the thread draw.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

Afin de pouvoir tirer du fil d'une bobine de fil d'aiguille sans le tendre, une bobine de fil d'aiguille monté sur un tube intérieur (1) est insérée dans un tube extérieur (2) et axialement comprimée de manière uniforme par des étampes de compression (3) qui agissent sur les deux faces frontales de la bobine sous l'effet de la chaleur. On obtient ainsi une détente totale de la bobine (4) de fil d'aiguille, de sorte qu'aucune précontrainte n'est plus transmise au tissu ou à la couture. Le froncement d'apparence désagréable dû à la tension ne peut donc plus se produire. L'utilisation de cette nouvelle bobine détendue de fil d'aiguille est particulièrement avantageuse en association avec une cannete de fil inférieur sans support qui se déroule de l'intérieur. Selon une autre caractéristique de l'invention, le tube inférieur, le tube extérieur et les étampes de compression sont chauffables, le tube intérieur étant composé d'un matériau indéformable. Le support de bobines qui reçoit la bobine de fil d'aiguille est formé de deux pièces.
PCT/DE1992/000067 1991-02-02 1992-02-03 Procede et dispositif de fabrication de bobines de fils a coudre sans support et support de bobines de fils d'aiguille WO1992013789A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4103168.7 1991-02-02
DE19914103168 DE4103168C1 (fr) 1991-02-02 1991-02-02

Publications (1)

Publication Number Publication Date
WO1992013789A1 true WO1992013789A1 (fr) 1992-08-20

Family

ID=6424256

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1992/000067 WO1992013789A1 (fr) 1991-02-02 1992-02-03 Procede et dispositif de fabrication de bobines de fils a coudre sans support et support de bobines de fils d'aiguille

Country Status (3)

Country Link
EP (1) EP0569473A1 (fr)
DE (1) DE4103168C1 (fr)
WO (1) WO1992013789A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH247136A (fr) * 1939-02-07 1947-02-15 Filatures & Filteries De Franc Boîte pour pelote de fil à coudre ou produit textile analogue, et procédé pour sa fabrication.
US2488890A (en) * 1948-08-05 1949-11-22 Linen Thread Co Inc Thread bobbin and method of and device for forming the same
US2674215A (en) * 1952-04-03 1954-04-06 Heminway & Bartlett Mfg Co Thread bobbin
FR1094202A (fr) * 1954-03-03 1955-05-16 Procédé de formation de corps de bobinages
US2780191A (en) * 1953-05-04 1957-02-05 Joel M Philips Sewing machine bobbins of either silk, cotton, nylon or other fibres or synthetic material, and methods of making the same
CH405897A (fr) * 1964-08-21 1966-01-15 Mefina Sa Dispositif de fixation sur une machine à coudre d'au moins une bobine de fil à dévidage par le centre, destinée à alimenter l'aiguille
US3302903A (en) * 1963-04-02 1967-02-07 Gutermann & Co Ag Sewing thread package
BE900234A (fr) * 1984-07-26 1984-11-16 Bulatov Georges Boite speciale pour garder et utiliser des echeveaux de fils, ficelles, etc.
DE3619711A1 (de) * 1986-06-12 1987-12-17 Georg Thoma Huelsenlose garn - bzw. fadenspule sowie eine zu deren herstellung geeignete spulvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE61117C (de) * F.ENGEL in Hamburg, Graskeller 21 Gehäuse zur Aufnahme des Unterfadens bei Doppelsteppstich-Greifer-Nähmaschinen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH247136A (fr) * 1939-02-07 1947-02-15 Filatures & Filteries De Franc Boîte pour pelote de fil à coudre ou produit textile analogue, et procédé pour sa fabrication.
US2488890A (en) * 1948-08-05 1949-11-22 Linen Thread Co Inc Thread bobbin and method of and device for forming the same
US2674215A (en) * 1952-04-03 1954-04-06 Heminway & Bartlett Mfg Co Thread bobbin
US2780191A (en) * 1953-05-04 1957-02-05 Joel M Philips Sewing machine bobbins of either silk, cotton, nylon or other fibres or synthetic material, and methods of making the same
FR1094202A (fr) * 1954-03-03 1955-05-16 Procédé de formation de corps de bobinages
US3302903A (en) * 1963-04-02 1967-02-07 Gutermann & Co Ag Sewing thread package
CH405897A (fr) * 1964-08-21 1966-01-15 Mefina Sa Dispositif de fixation sur une machine à coudre d'au moins une bobine de fil à dévidage par le centre, destinée à alimenter l'aiguille
BE900234A (fr) * 1984-07-26 1984-11-16 Bulatov Georges Boite speciale pour garder et utiliser des echeveaux de fils, ficelles, etc.
DE3619711A1 (de) * 1986-06-12 1987-12-17 Georg Thoma Huelsenlose garn - bzw. fadenspule sowie eine zu deren herstellung geeignete spulvorrichtung

Also Published As

Publication number Publication date
DE4103168C1 (fr) 1992-06-04
EP0569473A1 (fr) 1993-11-18

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