WO1987004197A2 - Fil et procede pour la confection de la dentelle - Google Patents

Fil et procede pour la confection de la dentelle Download PDF

Info

Publication number
WO1987004197A2
WO1987004197A2 PCT/GB1987/000006 GB8700006W WO8704197A2 WO 1987004197 A2 WO1987004197 A2 WO 1987004197A2 GB 8700006 W GB8700006 W GB 8700006W WO 8704197 A2 WO8704197 A2 WO 8704197A2
Authority
WO
WIPO (PCT)
Prior art keywords
lace
filaments
yarn
lower melting
decitex
Prior art date
Application number
PCT/GB1987/000006
Other languages
English (en)
Other versions
WO1987004197A3 (fr
Inventor
Frederick Barry Dawson Stocks
Allan William Moore
Keith Stevenson
Original Assignee
Birkin & Company Limited
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 Birkin & Company Limited filed Critical Birkin & Company Limited
Publication of WO1987004197A2 publication Critical patent/WO1987004197A2/fr
Publication of WO1987004197A3 publication Critical patent/WO1987004197A3/fr

Links

Classifications

    • 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
    • D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
    • D02G3/402—Yarns in which fibres are united by adhesives; Impregnated yarns or threads the adhesive being one component of the yarn, i.e. thermoplastic yarn
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics characterised by thread material

Definitions

  • the invention relates to yarn and a method for making lace including Leavers lace and warp knitted fabrics generally.
  • Textile fabrics such as lace tend to come undone through the pulling of a yarn, and can have their appearance damaged and sometimes their structure destroyed in this way. This is particularly true of warp-knitted fabric such as Raschel lace wh ich un-knits on pull ing a single yarn from one end.
  • Patent Specification GB 944011 (Polymark) describes fabrics suitable for tabs or labels containing a thermoplastic component which may be fused for attachment to other textile fabrics for identification purposes. Woven fabric of coarse grade is illustrated having each warp yarn doubled and consisting of a non-thermoplastic material such as cotton and a thermoplastic component. GB 1042592 (Polymark) is similar. These yarns are not suitable for knitting to make lace.
  • GB 1240114 discloses a filament having a core and a sheath of lower softening point for fusing into a sliding clasp fastener.
  • GB 1393712 (Toray) describes a high bulk yarn comprising short fibres having different melting points.
  • GB 1558992 (Nederlandse) relates to a staple fibre yarn comprising at least 30% PET for fusing instead of sizing.
  • GB 2090B81A (Lastex) relates to an elastic yarn wrapped with a thermoplastic adhesive.
  • GB 2105247A Cosmetictaulds
  • GB 2105247A Cosmetictaulds
  • the invention provides a yarn suitable for knitting into a lace which comprises a number of filaments of continuous synthetic fibre at least one of which is of lower melting temperature than the remainder, the first mentioned filaments totalling from 1 to 100 decitex, the lower melting filament from 1 to 50 decitex, and the ratio first mentioned filaments : lower melting filaments being from 20:1 to 1:1.
  • the preferred values for each of the above figures are: first mentioned filaments from 30 to 50 decitex, lower melting filaments from 8 to 20 decitex, and/or the said ratio from 15:1 to 6:1.
  • Heating of lace made from this yarn causes the lower melting filament to adhere to the remainder of the lace and so prevent the lace coming undone.
  • Heat treatment to scour or stabilize the lace melts the lower-melting filament, and its subsequent solidification causes adherence at cross-over points between yarns in the lace. This can be done in a stenter, and the introduction of stiffening agent reduced.
  • the filaments each preferably consist of nylon, but polyester or any other fibre which can be made in the appropriate ranges of linear density may alternatively be used.
  • Nylon has a melting temperature of 360°C.
  • the lower-melting filament can be of nylon or like polyamide and have a melting range of perhaps 110 C to 120°C or 130o to 140°C. Such lower-melting nylons are known as melt bonding fibres.
  • Mixing of the filaments can be by twisting, intermingling, blowing or air-tangling.
  • Yarn according to the invention can be knitted either into the background inlay, or net of a lace, or into the pattern or pillars, or both.
  • the invention includes a method of making lace which comprises warp knitting a yarn according to the invention, and heating the material produced to cause the lower melting filament to adhere to the remainder and so prevent the lace coming undone.
  • Figure 1 illustrates on an enlarged scale a piece of yarn according to the invention
  • Figure 2 shows a pillar thread of the yarn of Figure 1;
  • Figure 3 shows on an even larger scale the area within the ring of Figure 2;
  • Figures 4A and 4B are magnified photographs of a cross-over point such as that in Figures 2 and 3 in a piece of lace, the former being taken before heat treatment, and the latter after to show the effect of melting of the lower melting filament;
  • Figure 5 is a stitch diagram of a piece of lace in which a yarn according to the invention has been used as the background net or inlay.
  • the yarn in Figure 1 comprises ten filaments (10) each of 4 decitex nylon twisted together with one 17 decitex filament (12) of low-melting nylon. Pillars of thread as shown in Figure 2, of which there are normally 24 per inch (about 2.54 centimetres), hold all the other threads in the lace together. The darker parts (12) indicate the low-melting nylon.
  • the arrow in Figures 2 and 3 indicates a cross-over point at which the low-melting nylon thread (12) will cause adherence and stick together the loops.
  • Figure 5 a number of pillars (14) of conventional yarn are shown knitted onto an inlay (16) of yarn according to the invention with the filaments (10,12) indicated as before.
  • a 20-filament nylon yarn of 30 decitex is produced from a spinneret.
  • a single filament of nylon having a melting range of 110° to 120°C is similarly spun, separated from the other filaments, and mixed with the first-mentioned yarn.
  • the resulting mixed yarn is warp-knitted on a Raschel machine into a lace fabric.
  • the lace is heat-set in a stenter at 190°C, and proves resistant to coming undone.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

Un fil apte à la production de la dentelle comporte un filament (12) dont la température de fusion est inférieure à celle des autres filaments (10). De cette manière, lorsque la dentelle realisée avec ce fil est chauffée le tissu ne peut plus se défaire. On préfère les filaments en nylon.
PCT/GB1987/000006 1986-01-09 1987-01-08 Fil et procede pour la confection de la dentelle WO1987004197A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8600487 1986-01-09
GB868600487A GB8600487D0 (en) 1986-01-09 1986-01-09 Lace making yarn & method

Publications (2)

Publication Number Publication Date
WO1987004197A2 true WO1987004197A2 (fr) 1987-07-16
WO1987004197A3 WO1987004197A3 (fr) 1988-03-24

Family

ID=10591132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1987/000006 WO1987004197A2 (fr) 1986-01-09 1987-01-08 Fil et procede pour la confection de la dentelle

Country Status (4)

Country Link
CN (1) CN87100153A (fr)
ES (1) ES2001822A6 (fr)
GB (1) GB8600487D0 (fr)
WO (1) WO1987004197A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0390921A1 (fr) * 1987-12-08 1990-10-10 Terumo Kabushiki Kaisha Textile tricote ou tisse, procede de production et feuille de reconstitution de vaisseaux sanguins et vaisseau sanguin artificiel ainsi realise
EP0486884A1 (fr) * 1990-11-20 1992-05-27 Cytec Technology Corp. Procédé pour la production de fil hybride
EP2857564A3 (fr) * 2013-07-17 2015-07-08 J & P Coats Limited Fil

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103015030A (zh) * 2012-11-30 2013-04-03 福建东龙针纺有限公司 玉米纤维蕾丝花边的制作方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH220994A (fr) * 1937-05-24 1942-05-15 Sylvania Ind Corp Procédé de fabrication d'un produit textile.
US3494819A (en) * 1968-12-11 1970-02-10 Celanese Corp Pill resistant polyester fabrics

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH220994A (fr) * 1937-05-24 1942-05-15 Sylvania Ind Corp Procédé de fabrication d'un produit textile.
US3494819A (en) * 1968-12-11 1970-02-10 Celanese Corp Pill resistant polyester fabrics

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0390921A1 (fr) * 1987-12-08 1990-10-10 Terumo Kabushiki Kaisha Textile tricote ou tisse, procede de production et feuille de reconstitution de vaisseaux sanguins et vaisseau sanguin artificiel ainsi realise
EP0390921A4 (en) * 1987-12-08 1991-07-24 Terumo Kabushiki Kaisha Knit or woven textile, process for its production and blood vessel repairing sheet and artificial blood vessel made therefrom
EP0486884A1 (fr) * 1990-11-20 1992-05-27 Cytec Technology Corp. Procédé pour la production de fil hybride
EP2857564A3 (fr) * 2013-07-17 2015-07-08 J & P Coats Limited Fil

Also Published As

Publication number Publication date
GB8600487D0 (en) 1986-02-12
ES2001822A6 (es) 1988-06-16
WO1987004197A3 (fr) 1988-03-24
CN87100153A (zh) 1987-08-05

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