EP0034104A1 - Verfahren zur Herstellung eines elastischen oder nichtelastischen Schmalgewebes mit zwei einfachen oder bewirkten verstrickten Kanten, Vorrichtungen zur Durchführung des Verfahrens und die erhaltenen Produkte - Google Patents

Verfahren zur Herstellung eines elastischen oder nichtelastischen Schmalgewebes mit zwei einfachen oder bewirkten verstrickten Kanten, Vorrichtungen zur Durchführung des Verfahrens und die erhaltenen Produkte Download PDF

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Publication number
EP0034104A1
EP0034104A1 EP81420009A EP81420009A EP0034104A1 EP 0034104 A1 EP0034104 A1 EP 0034104A1 EP 81420009 A EP81420009 A EP 81420009A EP 81420009 A EP81420009 A EP 81420009A EP 0034104 A1 EP0034104 A1 EP 0034104A1
Authority
EP
European Patent Office
Prior art keywords
warp thread
weft
edge
elastic
selvedge
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
EP81420009A
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English (en)
French (fr)
Other versions
EP0034104B1 (de
Inventor
René Cheynet
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.)
Cheynet et Fils SA
Original Assignee
Cheynet et Fils 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 Cheynet et Fils SA filed Critical Cheynet et Fils SA
Priority to AT81420009T priority Critical patent/ATE7407T1/de
Publication of EP0034104A1 publication Critical patent/EP0034104A1/de
Application granted granted Critical
Publication of EP0034104B1 publication Critical patent/EP0034104B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • D03D47/02—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks
    • D03D47/06—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks by a pivoted needle having a permanently-threaded eye
    • 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
    • D03D47/42—Forming selvedges by knitting or interlacing loops of weft

Definitions

  • the invention relates to a method of manufacturing an elastic ribbon or not, with two mesh edges, simple or worked, the means of implementation and the products obtained.
  • Ribbons are also known (Patents FR 989,631, FR 1,551,285, FR 2,296,042), in which the identical mesh selvedges are obtained by a weft on each side of the ribbon or even on one side only. Such ribbons do not have two symmetrical or non-symmetrical selvedges, with high productivity and economy of means.
  • the object of the present invention is to remedy these drawbacks.
  • the present invention as characterized in the claims solves the problem of creating by weaving on so-called “hook” or “sickle” looms, quality ribbons whose mesh edges, simple or worked, have a nice regular appearance, without abnormal pulling on the warp threads, nor curling of the edges.
  • a single weir (or hook or sickle) is used, which is moved transversely, driving each stroke and in both directions, a single frame which is made to work alternately with a movable needle along each edge.
  • a single framing device (or hook or sickle) is used, which is moved transversely, driving a single frame at each stroke and in both directions, and is driven periodically and alternately, by means of the weaving machine, beyond one edge or the other of the ply of warp threads, at least one warp thread not aligned inside the tread, we work alternately on one edge and on the other, the weft, and periodically the warp thread driven, with a needle moving along each selvedge, we release the warp thread pulled outside and linked to the selvedge, when we drive transversely in opposite direction, the weft and the frame.
  • the weft, and periodically the driven warp thread is knitted directly and alternately in the hook of the needles which work along the selvedges.
  • At least one elastic or non-elastic filler wire is used on each selvedge, this wire being driven in relation to the weft thread and the warp thread drawn transversely.
  • the weaving loom known as "hook” or “sickle” illustrated in Figures 1 to 5, essentially comprises a support frame 1 whose lateral sides 1a each carry a plate 2 intended to serve as a bearing for upper shafts 3 and 4.
  • intermediate bearings can be arranged, in order to avoid any bending.
  • the shafts 3 and 12 on the one hand, and the eccentric axes 6 and 10 on the other hand, constitute a deformable parallelogram, and it should be noted that the crankpins 6a - 10a are offset by 180 degrees with respect to each other to ensure alternating translations of the selvedge mesh needles, the detail of which is described below.
  • a drive shaft 13 transmits the rotation movement along arrow F1, to the eccentric axis 10, by means of a well-known kinematics, with, in an intermediate manner, at 14, also the conventional control of a gearbox cam (not shown) intended to move in alternative translations the threading frames 15 carrying the heddles of warp threads, according to the weaving phases.
  • a rod 20 in two parts, the other end of which is articulated at 21 at the rear of the block 16, while another rod 22, in two parts, and wedged on the shaft 4 parallel to the shaft 3, is articulated at 23 at the front of the block 16.
  • This deformable parallelogram construction ensures alternative translations (arrow F3) of the block 16 carrying the needle 18 intended to mesh the right edge ( Figure 4) of the ribbon R which runs between this needle and the needle 19 of the left edge mesh ( Figure 5) whose carrier block 17 is connected to articulation, on the one hand to the rear at 24, to a link 25 wedged on the shaft 12, and on the other hand, at the front at 26, to a link 27 articulated on a support 28, in order to constitute another deformable parallelogram.
  • Said support is carried by a rod 29 integral with a bracket 30, the sole 30a of which is fixed to the frame 1.
  • a drive shaft 31 transmitting by appropriate kinematics, its rotational movement (arrow F4) to a pulley 32 wedged on a shaft 33 carried by the frame, and on which a crankpin 34 controls two connecting rods 35 - 36 connected to articulation to connecting rods 37 - 38 wedged on shafts 39 - 40.
  • the shaft 40 crosses the loom and carries a comb 41 (as many combs as there are ribbons to be produced) for sorting and packing the weft threads, while the shaft 39 carries a toothed sector 42 cooperating with a pinion 43 wedged at the end of an axis 44 carried by the bracket 30 ( Figures 4 and 5).
  • the single screen 45 comprises a pivot 45a of angular connection with the axis 44, a spacer arm 45b at the end of which extend along curves approximately superimposed around the pivot, two branches 45c - 45d.
  • the upper branch 45c has, at the free end, an eyelet 45e for passing the weft thread, and between the arm 45b and said end, the branch 45c carries below (on the side of the lower branch), a projection 45f directly formed or attached, and suitably oriented to retain and drive under the operating conditions described below, a warp thread.
  • the lower branch 45d longer than the branch 45c, has at the end a projection 45g similar to the projection 45f, but located above (on the side of the upper branch) and also intended to periodically retain and drive a warp yarn.
  • These right and left filler wires may be elastic wires or not, or constituted by at least one elastic strand and at least one non-elastic strand assembled by covering, in particular elastic wire or strand wrapped with non-elastic thread or strand.
  • the warp threads A3, elastic or not, cut by donor systems, are conventionally divided into two layers N1 - N2 ( Figures 9 and 11), by means of the heddles of the threading frames 15 and guided in the comb 41 , while an A4 weft thread located at the edge of the comb (to its right), is connected to the eyelet 45e of the single screen 45.
  • the filler wires A1 - A2 are also located to the right and left of the comb and pass through the eyelets 46a - 47a of levers 46 - 47 articulated on each side of the ribbon, substantially in front of the bar 48 bearing on the woven ribbon, ie approximately at the hooks of the needles 18 - -19 when they are in the maximum front position ( Figures 9 and 11).
  • the ribbon is woven in a conventional manner, that is to say by knitting or knotting the filler wires Al - A2 if necessary , with the weft A4, on each side of the ribbon, in combination with the crossover of the plies N1 - N2 of warp thread A3 and with the needles 18 - 19.
  • one of the warp threads located near the left border is kept sensi completely in the middle of the gait by controlling its threading frame (between the two layers N1 - N2), to be hooked and driven by the projection 45f located under the branch 45c of the tramway 45 moved according to arrow F5 (FIG.
  • the warp thread A5 which has been pulled beyond the edge, when it is released by the weigher, resumes by elasticity, substantially its initial position by pulling the warp thread (s) A3 located between it and the border, which causes at this location E ( Figure 13), a withdrawal of the tape relative to the border.
  • This shrinkage is all the more important as the number of warp threads A3 located between the thread A5 and the edge, or the distance between the edge and said thread A5, is important, which gives the depth of the festoon.
  • the festoon on the right edge can be made in the same weft stroke or after a certain number of weft strokes, in the same way as for the left edge.
  • a warp thread A6 (the second in the example illustrated), is held substantially in the middle of the gait to be hooked and driven by the projection 45g of the branch 45d of the tramway, following the weft thread A4.
  • the two selvedges can be identical or worked differently, for example, the scallops can be equal in size and in appearance, or different in appearance, whether or not there is a filler wire, or by the distance between the edge of the ribbon and the warp thread driven by the weft, or the number of warp threads located between the edge and the wire driven by the weft.
  • the drive points (projections 45f - 45g) of the warp threads A5 - A6 are determined on the branches of the tramway, as a function of its axis of rotation lateral to the ribbon, which means that the lower branch has to be extended, so that the warp threads A5 - A6 are not excessively dragged beyond the edge, which would bring risks of breakage or permanent deformation of said threads, but also to pull said warp threads sufficiently outside the ribbon, according to its width.
  • the means are simple in their design, assembly and operation.
  • the manufacturing / more economical and the products have an attractive cost price.
  • the use of the two needles prevents slipping and tightening of the warp threads which are near the selvedges, by a frictional effect of the weft during the recalling of the weigher.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Woven Fabrics (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Knitting Of Fabric (AREA)
  • Decoration Of Textiles (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Making Paper Articles (AREA)
  • Insulating Bodies (AREA)
EP81420009A 1980-02-01 1981-01-30 Verfahren zur Herstellung eines elastischen oder nichtelastischen Schmalgewebes mit zwei einfachen oder bewirkten verstrickten Kanten, Vorrichtungen zur Durchführung des Verfahrens und die erhaltenen Produkte Expired EP0034104B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81420009T ATE7407T1 (de) 1980-02-01 1981-01-30 Verfahren zur herstellung eines elastischen oder nichtelastischen schmalgewebes mit zwei einfachen oder bewirkten verstrickten kanten, vorrichtungen zur durchfuehrung des verfahrens und die erhaltenen produkte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8002511 1980-02-01
FR8002511A FR2485047B1 (fr) 1980-02-01 1980-02-01 Procede de fabrication d'un ruban elastique ou non a deux lisieres maillees, simples ou ouvragees, les moyens de mise en oeuvre et les produits obtenus

Publications (2)

Publication Number Publication Date
EP0034104A1 true EP0034104A1 (de) 1981-08-19
EP0034104B1 EP0034104B1 (de) 1984-05-09

Family

ID=9238238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81420009A Expired EP0034104B1 (de) 1980-02-01 1981-01-30 Verfahren zur Herstellung eines elastischen oder nichtelastischen Schmalgewebes mit zwei einfachen oder bewirkten verstrickten Kanten, Vorrichtungen zur Durchführung des Verfahrens und die erhaltenen Produkte

Country Status (10)

Country Link
US (1) US4436121A (de)
EP (1) EP0034104B1 (de)
AT (1) ATE7407T1 (de)
BE (1) BE887256A (de)
CA (1) CA1149624A (de)
CH (1) CH639713A5 (de)
DE (2) DE34104T1 (de)
ES (1) ES498998A0 (de)
FR (1) FR2485047B1 (de)
IT (1) IT1135185B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0158253A3 (de) * 1984-04-07 1986-03-19 MAGEBA Textilmaschinen GmbH Bandgewebe sowie Verfahren und Vorrichtung zur Herstellung eines Bandgewebes
WO2001048285A1 (de) * 1999-12-24 2001-07-05 Johann Berger Band und verfahren zu dessen herstellung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554463B1 (fr) * 1983-11-03 1986-08-14 Faure Roux Sangles tissees avec retrecissements transversaux localises, obtenues sur metiers automatiques a faucilles et leur procede de realisation
DE19962919C1 (de) * 1999-12-24 2001-10-04 Johann Berger Gurtband und Verfahren zu dessen Herstellung
DE102004059780B4 (de) * 2004-12-07 2020-10-15 Kikuchi Kogyo Co., Ltd. Verfahren zur Herstellung eines auf Nadelwebmaschinen gewebten Bandes mit webtechnisch gleichen Kanten

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB119558A (en) * 1917-10-18 1918-10-10 Henry Hill Improvements in Machines for Weaving Tape and the Tape Woven thereby.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE127348C (de) *
FR989631A (fr) * 1944-02-18 1951-09-11 Richard Freres Procédé de tissage
US3104683A (en) 1959-07-18 1963-09-24 Weiner Lewis Web loom
FR1551285A (de) * 1967-12-15 1968-12-27
US3957088A (en) 1970-08-12 1976-05-18 Mueller Jakob Method and loom for weaving a fabric
JPS5182064A (de) * 1974-12-28 1976-07-19 Yoshida Kogyo Kk
CH598382A5 (en) * 1975-07-25 1978-04-28 Mueller Jakob Forschungs Und F Needle loom for narrow goods
CH636386A5 (de) 1978-12-05 1983-05-31 Textilma Ag Bandgewebe, verfahren zu seiner herstellung und bandwebmaschine zur durchfuehrung des verfahrens.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB119558A (en) * 1917-10-18 1918-10-10 Henry Hill Improvements in Machines for Weaving Tape and the Tape Woven thereby.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0158253A3 (de) * 1984-04-07 1986-03-19 MAGEBA Textilmaschinen GmbH Bandgewebe sowie Verfahren und Vorrichtung zur Herstellung eines Bandgewebes
WO2001048285A1 (de) * 1999-12-24 2001-07-05 Johann Berger Band und verfahren zu dessen herstellung
AU773157B2 (en) * 1999-12-24 2004-05-20 Johann Berger Ribbon and method for production thereof
AU773157C (en) * 1999-12-24 2004-11-18 Johann Berger Ribbon and method for production thereof
US6918411B2 (en) 1999-12-24 2005-07-19 Johann Berger Ribbon and method for production thereof

Also Published As

Publication number Publication date
EP0034104B1 (de) 1984-05-09
CH639713A5 (fr) 1983-11-30
DE3163436D1 (en) 1984-06-14
ES8501816A1 (es) 1984-12-16
IT1135185B (it) 1986-08-20
CA1149624A (fr) 1983-07-12
FR2485047B1 (fr) 1989-07-21
DE34104T1 (de) 1983-03-17
ES498998A0 (es) 1984-12-16
ATE7407T1 (de) 1984-05-15
FR2485047A1 (fr) 1981-12-24
BE887256A (fr) 1981-05-14
US4436121A (en) 1984-03-13
IT8119344A0 (it) 1981-01-27

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