EP0015853B1 - Procédé de fabrication d'une bande tissée avec obtention d'effets de fils inédits, par déplacement transversal et accrochage de fils de chaîne sur ou dans la lisière maille d'une bande tissée élastique ou rigide et les moyens de mise en oeuvre du procédé - Google Patents

Procédé de fabrication d'une bande tissée avec obtention d'effets de fils inédits, par déplacement transversal et accrochage de fils de chaîne sur ou dans la lisière maille d'une bande tissée élastique ou rigide et les moyens de mise en oeuvre du procédé Download PDF

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Publication number
EP0015853B1
EP0015853B1 EP80420012A EP80420012A EP0015853B1 EP 0015853 B1 EP0015853 B1 EP 0015853B1 EP 80420012 A EP80420012 A EP 80420012A EP 80420012 A EP80420012 A EP 80420012A EP 0015853 B1 EP0015853 B1 EP 0015853B1
Authority
EP
European Patent Office
Prior art keywords
yarns
yarn
thrower
weft
stitch
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.)
Expired
Application number
EP80420012A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0015853A1 (fr
Inventor
Michel Jammes
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.)
Procede Elastelle Tissel Sa SA
Original Assignee
Procede Elastelle Tissel Sa SA
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 Procede Elastelle Tissel Sa SA filed Critical Procede Elastelle Tissel Sa SA
Priority to AT80420012T priority Critical patent/ATE6080T1/de
Publication of EP0015853A1 publication Critical patent/EP0015853A1/fr
Application granted granted Critical
Publication of EP0015853B1 publication Critical patent/EP0015853B1/fr
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D5/00—Selvedges
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/40—Forming selvedges

Definitions

  • the invention relates to the technical sector of weaving.
  • the aim sought after according to the invention is to obtain new yarn effects on elastic or rigid woven bands, by means of a simple device mounted on the loom.
  • a simple device mounted on the loom For example, from this inventive concept, depending on an application, it is possible to obtain festoons or rounded overhanging heads, on one or both edges of an elastic band woven on a sickle loom.
  • This festoon includes a brass wire according to known techniques. It is currently not possible to obtain effects on the selvedge side, except picot by simple loop of weft obtained with a special mechanism in addition to the filler wire system, mounted on the loom. The problem to be solved was therefore to introduce inside the mesh selvedge, a means allowing the formation of said selvedge.
  • Document CH-A-425.670 discloses a method of manufacturing a woven strip by insertion between two plies of warp threads (1) using weft loops (2) using a thrower (4) the weft threads being retained on the side of the strip opposite the thrower by the formation of stitches directly or by the addition of a filler thread.
  • the process of the Application differs from the prior art in that, in order to obtain non-slip products or yarn effects at least on the edge of the strip located on the side where the meshes are made, it is moved transversely, to inside the crowd to the mesh formation system, one or more threads arranged in the direction of the warp threads (8) and passing through the comb, the displacement of said threads being carried out according to a determined cycle, and in that the wire (s) thus displaced are either directly meshed, or inserted into the selvedge edge formed using the filler wire (s).
  • the means of implementing the method for deflecting the threads to be moved towards the interior of the crowd consists of a thrower or weft forming a single means for simultaneously or independently moving the thread (s) arranged in the direction of the warp threads.
  • the thrower has, near its end, in known manner, an opening or eyelet through which the weft thread is guided, and according to an essential characteristic of the invention, this end forms a notch with a horizontal axis, allowing engagement and guiding of warp thread (s) and / or intermediate threads.
  • the formation of a scallop on an elastic band woven on the mesh edge side is obtained by the insertion of at least two elastic threads of different tension, inside the mesh column, which is formed by the known system of the filler wire; the throwing mechanism authorizing, according to a determined cycle, the insertion simultaneously or successively, of the two elastic threads between the loops and legs of stitches of the chain, and in combination with the passage of the weft thread.
  • FIG. 2 There is shown in Figures 1 and 2 comparatively, an elastic band provided with scallops, woven on weaving loom and produced respectively one according to the conventional manner, and the other according to an application of the invention.
  • the elastic band according to Figure 2 is characterized by the formation of scallops 2 on the side of its selvedge mesh 2 1 , while the other opposite edge may or may not have scallops made in conventional manner, that is to say without selvedge.
  • the elastic band illustrated in FIG. 2 is not limitative of an application of the invention. Indeed and on the contrary, it can have two selvedge edges with decorative festoons executed according to the invention. In this case, it suffices to provide a second device similar to that described below, and arranged symmetrically with respect to the first, the manufacturing process being the same. However, for reasons of clarity in the description of the invention, and also in the figures of the drawings, the formation of scallops will be presented on the existing mesh edge, on a single edge of the elastic band.
  • the thrower or tram 3 known per se, is remarkable in that it has at its free end 3 1 a notch with a horizontal axis 3 2 , allowing the engagement and the guiding simultaneously, of one or more elastic or non-elastic threads which will be defined later.
  • the thrower 3 has, near the notch 3 2 , an eyelet 3 3 authorizing the passage and guiding of the weft thread, during the manufacture of the fabric strip.
  • FIG. 4 is a schematic view of a conventional mesh of a strip with warp threads 4, weft threads 5, and a filler thread 6.
  • Figures 5 and 6 illustrate the product obtained according to an application of the invention in the formation of scallops on the selvedge side of the mesh.
  • This product comprises a filler wire 7 forming the column of the chain, warp threads 8, weft threads 9, a first elastic thread 10, and a second elastic thread 11.
  • the first elastic thread 10 called " gum-head ", is inserted in the chain formed by the filler wire 7, between the loops 7 1 and the mesh legs 7 2.
  • the gum-head wire forms the external part of the festoon, and is characterized by. low voltage.
  • the rounded shape of the festoon is obtained by the addition of a second elastic thread 11 called “gum-bonding thread", coming from the body of the article, as it is clearly seen in the figures 5 and 6.
  • the bonding rubber thread is inserted according to a determined cycle, in the same passage as that of the gum head thread 10, that is to say between the same loops A1 and mesh legs A2 of the chain.
  • the bonding rubber wire is of high tension, ie greater than that of the head rubber.
  • An advantage of the invention lies in the fact that one can work the article with very fine threads, which was not possible before, the threads having no holding.
  • Another advantage of the invention lies in the fact that it is possible to obtain woven articles with original effects, the filler wire being able to be or not colored as well as the gum-head yarn; the latter being colored by covering.
  • Another advantage of the invention lies in the fact that the rigid or elastic articles woven according to this process, with straight edges or with scallops, cannot be broken down.
  • Figure 7 corresponds to the starting position. All the wires are in the middle of the crowd, the thrower 3 is removed, the lever 12 of the filler wire 7 is lowered; the needle 13 is in the felling position, while the comb 14 is in the front neutral position.
  • the weft thread 9 is normally guided by the thrower 3.
  • the warp threads 8 are normally arranged longitudinally.
  • the gum-head thread 10 is, in a known manner, inserted into the chain formed by the filler thread 7.
  • the warp threads 8 of the article body are in the open crowd position, directed downwards (ends 8 1 ); the rubber bonding wire 11 is in a high shed (ends 11 1 ); the gum-head thread 10 remained in the half shed position corresponding to the position in FIG. 7, is picked and then guided by the indented part 3 2 of the thrower 3, during the first pass.
  • the gum-head thread 10 is brought to the level of the needle 13 in the same limit position as the weft thread 9.
  • the needle 13 which has moved forward, its valve 13 1 then being open, as well as the lever 12 of filler wire 7, are in the picking position of the filler wire for the formation of conventional stitches ; the comb 14 being in the rear position. It is observed that a loop formed from the filler wire, is taken autor from the body of the needle.
  • the mechanisms return to the position corresponding to FIG. 8, that is to say that the thrower 3 performs another pass, the needle 13 has moved forward, while its valve 13 1 is open.
  • the gum-head thread 10 is in the low crowd position, therefore in its normal warp position.
  • the rubber bonding wire 11 was brought into the half shed position, then was picked up by the notch 3 2 of the thrower 3.
  • the rubber bonding wire was therefore brought to the needle 13, in the same position as the weft thread. According to this position, a loop 16 has been formed and surrounds the body of the needle.
  • the mechanisms have returned to the initial position illustrated in FIG. 7, the weft thread and the bonding rubber thread are inserted into the mesh.
  • the attachment of the scallop to the body of the article therefore takes place during the phases illustrated in Figures 10 and 11. It requires at least one hooking to form a scallop.
  • the head gum wire is in the opposite position to the bonding gum wire, relative to the loop formed by the weft wire.
  • the insertion of the bonding rubber wire 11 is carried out simultaneously with the head rubber wire 10.
  • the two wires are in the half shed position, and during the past of the thrower, this one by its notched part, plucks the two threads and brings them to the level of the needle 13, at the same level as the weft thread.
  • the mechanisms return, the weft thread, the head gum thread and the bonding gum thread are inserted into the mesh.
  • the mechanism of the invention is well understood, as a result of the particular displacements of each type of wire, the gum-head wire describing a half crowd, either high-middle or low-middle, while the wires of the body of the article describe a normal high-low crowd.
  • the gum-head thread works, for example, according to the conventional method in plain weave, half the time. It is therefore, according to the determined cycle, in the middle of the crowd, on the trajectory of the thrower, and is therefore brought at the same time as the weft, on the side of the needle, relative to the body of the article.
  • the gum-head wire is therefore inserted in the same passage as the weft, in the mesh formed by the filler wire.
  • the gum-head thread returns to its initial position, that is to say shuffle up and down, and because of this return, is taken by the next stitch.
  • the rubber-bonding wire is brought into the half shed position ( Figures 12-13), at the same time as the rubber-head wire. It is therefore inserted in the same passage as the weft and the gum-head wire. The next loom move, it returns to the initial position, and because of this return, is taken by the next stitch.
  • the two wefts are of different width .
  • the gum-head thread is pressed against the mesh selvedge by the secondary thrower in the shortest weft, while the main thrower ensures the displacement of the main weft for normal weaving of the body of the article.
  • the rubber bonding thread is picked up by the secondary thrower, and is brought into the shortest weft at the same time as the gumming head thread, in order to obtain the same hookings as previously defined.
  • Another advantage of the invention lies in the fact that the product obtained cannot be broken down.
  • a major drawback of articles with a crochet edge is that they can be removed.
  • the mechanism for implementing the method according to the invention overcomes this drawback.
  • FIG. 15 A variant of the system is illustrated in FIG. 15.
  • the weft thread and the filler thread are no longer used and two or more connecting threads 26-27 alternately play the role of weft thread, these two son being picked and then moved transversely by the thrower.
  • Figures 16 and 17 Two alternative embodiments of the thrower. According to Figure 16, it is equipped with a roller 17 mounted on an axis 18 located in the body of the thrower and behind the eyelet 3 3 , allowing the passage of the frame, this to avoid overvoltages and breaks that may occur on the wires.
  • the thrower 19 comprises at its free end, a wide notch 19 1 with a horizontal axis, so that the thrower forms a yoke 19 2 at its end, to allow the positioning of an axis 20 supporting a coil 21 curved, freely turning autor of its axis. By means of this coil, the thrower picks up the appropriate thread while avoiding overvoltages thereof.
  • the invention has many advantages and in particular the simplicity of the mechanism allowing the implementation of the manufacturing process, and the many varied applications that it offers, are emphasized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Knitting Of Fabric (AREA)
  • Automatic Embroidering For Embroidered Or Tufted Products (AREA)
  • Belt Conveyors (AREA)
  • Decoration Of Textiles (AREA)
EP80420012A 1979-02-28 1980-01-31 Procédé de fabrication d'une bande tissée avec obtention d'effets de fils inédits, par déplacement transversal et accrochage de fils de chaîne sur ou dans la lisière maille d'une bande tissée élastique ou rigide et les moyens de mise en oeuvre du procédé Expired EP0015853B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80420012T ATE6080T1 (de) 1979-02-28 1980-01-31 Verfahren zur herstellung eines schmalgewebes mit unerwarteten garneffekten durch seitliches versetzen und festmachen der kette auf oder in der gewirkten leiste des elastischen oder festen schmalgewebes und die mittel zur ausfuehrung des verfahrens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7905814A FR2450300A1 (fr) 1979-02-28 1979-02-28 Procede de fabrication d'une bande tissee avec obtention d'effets de fils inedits, par deplacement transversal et accrochage des fils de chaine sur ou dans la lisiere maille d'une bande tissee elastique ou rigide, les produits obtenus et les moyens de mise en oeuvre du procede
FR7905814 1979-02-28

Publications (2)

Publication Number Publication Date
EP0015853A1 EP0015853A1 (fr) 1980-09-17
EP0015853B1 true EP0015853B1 (fr) 1984-02-01

Family

ID=9222831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80420012A Expired EP0015853B1 (fr) 1979-02-28 1980-01-31 Procédé de fabrication d'une bande tissée avec obtention d'effets de fils inédits, par déplacement transversal et accrochage de fils de chaîne sur ou dans la lisière maille d'une bande tissée élastique ou rigide et les moyens de mise en oeuvre du procédé

Country Status (10)

Country Link
US (1) US4562868A ( )
EP (1) EP0015853B1 ( )
AT (1) ATE6080T1 ( )
BE (1) BE881885A ( )
CA (1) CA1124617A ( )
CH (1) CH636654A5 ( )
DE (1) DE3066329D1 ( )
ES (1) ES488669A1 ( )
FR (1) FR2450300A1 ( )
IT (1) IT1129994B ( )

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140044B (en) * 1983-05-18 1987-07-15 Bonas Machine Co Needle loom
GB2178073A (en) * 1985-07-03 1987-02-04 Nottingham Braid Co Ltd Trim having scalloped fringe
DE9307233U1 (de) * 1993-05-12 1993-07-22 Textilma Ag, Hergiswil Schußeintragnadel für eine Bandwebmaschine sowie Bandwebmaschine
DE102009002869A1 (de) * 2009-05-06 2010-11-18 Mbg Techbelt Innovation Gmbh Verfahren zum Herstellen von technischem Schmalgewebe, ein entsprechendes Gurtband und eine entsprechende Vorrichtung
KR101388373B1 (ko) 2010-11-05 2014-04-23 정 준 엔지 브루니안 링크를 만드는 장치 및 키트
US9422648B2 (en) * 2013-06-25 2016-08-23 Jessica Nedry Platform for weaving interlinking bands
USD895691S1 (en) 2018-12-31 2020-09-08 LaRose Industries, LLC Loom

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE127348C ( ) *
US3152620A (en) * 1962-09-26 1964-10-13 John D Riordan Woven narrow web with ornamental selvage
US3250301A (en) * 1963-04-29 1966-05-10 Stein & Company Inc A Elastic tape construction
CH425670A (de) * 1964-07-18 1966-11-30 Mueller Jakob Verfahren und Vorrichtung zum Weben von Bändern mit mindestens zwei verschiedenen Schussfäden, insbesondere auf einem Nadelwebstuhl
CH490541A (de) * 1969-05-05 1970-05-15 Mueller Jakob Verfahren und Vorrichtung zur Anbringung mindestens eines Effektfadens und/oder mindestens eines Befestigungsfadens für Gegenstände an Geweben, insbesondere Bandgeweben, während des Webvorganges
US3957088A (en) * 1970-08-12 1976-05-18 Mueller Jakob Method and loom for weaving a fabric
CH636386A5 (de) * 1978-12-05 1983-05-31 Textilma Ag Bandgewebe, verfahren zu seiner herstellung und bandwebmaschine zur durchfuehrung des verfahrens.

Also Published As

Publication number Publication date
FR2450300B1 ( ) 1982-02-19
BE881885A (fr) 1980-06-16
ATE6080T1 (de) 1984-02-15
CA1124617A (fr) 1982-06-01
CH636654A5 (fr) 1983-06-15
IT8019668A0 (it) 1980-02-04
ES488669A1 (es) 1980-09-16
FR2450300A1 (fr) 1980-09-26
EP0015853A1 (fr) 1980-09-17
US4562868A (en) 1986-01-07
IT1129994B (it) 1986-06-11
DE3066329D1 (en) 1984-03-08

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