EP0810311A1 - Webmaschine zur Herstellung von Zierfransen - Google Patents

Webmaschine zur Herstellung von Zierfransen Download PDF

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Publication number
EP0810311A1
EP0810311A1 EP97420079A EP97420079A EP0810311A1 EP 0810311 A1 EP0810311 A1 EP 0810311A1 EP 97420079 A EP97420079 A EP 97420079A EP 97420079 A EP97420079 A EP 97420079A EP 0810311 A1 EP0810311 A1 EP 0810311A1
Authority
EP
European Patent Office
Prior art keywords
hook
fringes
stops
carrying
heel
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
EP97420079A
Other languages
English (en)
French (fr)
Other versions
EP0810311B1 (de
Inventor
Antoine Sahuc
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0810311A1 publication Critical patent/EP0810311A1/de
Application granted granted Critical
Publication of EP0810311B1 publication Critical patent/EP0810311B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04D—TRIMMINGS; RIBBONS, TAPES OR BANDS, NOT OTHERWISE PROVIDED FOR
    • D04D5/00—Fringes
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms

Definitions

  • the invention relates to the manufacture of fringes with braided heads.
  • each plied cord forming a fringe also envelops a selvedge core which is perpendicular to the fringes, and the heads of the fringes are linked to each other by two layers of interlaced warp yarns.
  • This type of fringes with a braided head differs from the fringes produced on a shuttle loom in which the fringe heads are linked on either side of two plies of warp threads forming a selvedge without a longitudinal core, and are therefore apparent.
  • fringes with a braided head is carried out by means of special looms comprising, perpendicular to a longitudinal frame, a support carrying a reel of the core cord, a rotary drum carrying coils of twisted cords for the fringes, means returning the bundles of cords parallel to the longitudinal direction of movement of two plies of warp threads.
  • a reciprocating hook grips one of the twisted cords wrapping around the core to pass it between the two layers and forms a fringe, before going to grab another cord.
  • the object of the present invention is to remedy these drawbacks by providing a loom making it possible to produce, automatically, fringes with a braided head having undulations.
  • the rod of the fringing hook is mounted with the possibility of disengaging with respect to its drive means in translation and comprises, at its end opposite to that of the hook, a heel capable of coming , at the end of the fringing stroke, pressing on at least one of the abutment faces of a member movable sequentially to modify the stroke of the hook in relation to the shape of the ripple to be given to the rippling of the fringes .
  • each fringe over a more or less long length is determined as a function of the contact of the heel of the hook rod. with one of the abutment faces and can vary by modifying the longitudinal position of the abutment face coming into contact with this heel.
  • the hook is formed at the end of the front rod of a double-acting pneumatic cylinder with double rods, the rear rod of which carries the heel cooperating with the member carrying the stops .
  • a loom for the manufacture of fringes with a braided head is composed of a frame 2 carrying laterally a frame 3 supporting a plate 4 on which is mounted free in rotation a reel 5 for the plied cord 6 constituting the soul of the braided head.
  • the chassis 3 also carries a rotating drum 7 around a tubular axis 8 crossed by the cord 6 constituting the core.
  • This reel synchronized with the loom, is provided with cheeks 7a, 7b and carries several reels 9 of twisted cords 10.
  • the unwinding of each cord 10 is controlled by a mechanism 12.
  • Each cord 10 crosses the downstream cheek 7b of the reel 7 for come, with the other cords 10 and the core cord 6, on a member 13 returning these cords parallel to the direction of movement of the work on the loom, represented by the arrow 14 in FIG. 1.
  • the frame 2 supports means 15 for vertically guiding at least two heddle frames 16 determining the position of two plies of warp threads 17 unwinding from spools 18.
  • the invention relates to the conditions of displacement of the hook 19.
  • this hook is formed at the end of the front rod 30 of a pneumatic cylinder 32, double acting and double rods, the rear rod 33 has a stop heel 33a.
  • This heel cooperates with the abutment faces 34a, 34b, 34c, 34d, ... which can each be brought in its path and carried by a member which, in the embodiment shown in Figure 1, consists of a plate 35, rotatable about an axis parallel to the direction of movement of the hook and the rods of the jack.
  • This plate is wedged on a shaft 36 linked in rotation to a stepping motor 37.
  • This motor and the jack 32 are carried by the frame 2.
  • stops protrude from the face of the plate opposite the heel 33a and are distributed on the same circle, with a constant angular pitch P (FIG. 2). They differ in their protruding length.
  • These stops can, for example, be constituted by screws, screwed into tapped bores of the plate and the head of which is capable of coming into contact with the heel 33a mentioned above.
  • the supply in the opposite direction to the jack 32 automatically brings the piston to the front end-of-travel stop and therefore guarantees the positioning of the hook 19 in the ply of plied cords 10, and in particular the attachment of the most forward plied cord.
  • This simple device makes it possible to produce continuously, fully automatically, fringes with braided heads in which the length of the fringes varies.
  • the stops 34a, 34b, 34c, 34d, ... are fixed on a slide 40, which can be moved longitudinally in a slide 41 of the frame, for example by a jack 42, pneumatic or electric, which can be moved step by step. steps, of a value equal to the step between the abovementioned stops.
  • FIG. 4 shows the application of the device according to the invention to the current mechanism, composed of a hook 19 formed at the end of a curved rod 50, secured to an arm 52 projecting radially from a vertical axis 53, connected to drive means 54 able to rotate it alternately in one direction or the other on a fragment of a circle.
  • connection in rotation between the axis 53 and the crown of the drive means 54 is not positive but is produced with the interposition of a torque limiter, a friction clutch, or by any other means allowing, beyond a value of the resistant force, the relative angular displacement of the crown of the drive means 54 relative to the axis 53.
  • spring means 56 When returning in the opposite direction, spring means 56 hold the heel 50a against its stop 34a, as long as a stop 57 of the crown of the means 54 does not come into contact with the arm 52.
  • the stop cooperating with the heel 33a or 50a is constituted by the free end 60a of a screw 60 fixed in rotation in the frame 2, for example by a key 62, but free in translation.
  • This screw is arranged in a ball nut 63 which, wedged in translation but free to rotate in the frame 2, is linked to a toothed pulley 64.
  • a toothed belt 65 connects this pulley to a toothed pinion 66 wedged on the shaft of output of an electric stepper motor 67, with two directions of rotation.
  • the supply of the motor 67 causes, by the transmission of movement 64 to 66, the rotation over a fraction of a turn of the nut 63, and consequently the longitudinal displacement of the screw 60, therefore the modification of the longitudinal position of its end forming a stop 60a.
  • the member carrying the abutment faces consists of a rotary cam 72 wedged on the shaft of an electric motor 73 pivoting by one turn for a manufacturing cycle.
  • the abutment faces 70a, 70b, 70c, ... are formed by point bearing surfaces of the peripheral face of the cam 72.
  • the device according to the invention makes it possible to automatically produce fringes with a braided head having undulations and that these undulations can have different shapes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
EP97420079A 1996-05-31 1997-05-27 Webmaschine zur Herstellung von Zierfransen Expired - Lifetime EP0810311B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9606962A FR2749326B1 (fr) 1996-05-31 1996-05-31 Metier pour la realisation de franges a tete gansee
FR9606962 1996-05-31

Publications (2)

Publication Number Publication Date
EP0810311A1 true EP0810311A1 (de) 1997-12-03
EP0810311B1 EP0810311B1 (de) 2000-11-02

Family

ID=9492758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97420079A Expired - Lifetime EP0810311B1 (de) 1996-05-31 1997-05-27 Webmaschine zur Herstellung von Zierfransen

Country Status (4)

Country Link
US (1) US5829486A (de)
EP (1) EP0810311B1 (de)
DE (1) DE69703412D1 (de)
FR (1) FR2749326B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102602747A (zh) * 2012-03-16 2012-07-25 浙江海森纺机科技有限公司 一种绳编无结网绕线机上的储线管装卸装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502814B1 (de) * 2005-11-14 2007-06-15 Karl Ronald Schoeller Gleitreibungsfreier, elektromechanisch- galvanischer strom- und spannungsübertrager

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1530600A (en) * 1924-06-27 1925-03-24 Jenny Adolph Fringe-weaving loom
US1746790A (en) * 1927-08-26 1930-02-11 Philip N Newman Fringe
US3152620A (en) * 1962-09-26 1964-10-13 John D Riordan Woven narrow web with ornamental selvage
US3301204A (en) * 1964-01-31 1967-01-31 Bell Ind Inc Mechanism for forming a scallop fringe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1044226A (en) * 1912-02-13 1912-11-12 Hensel Silk Mfg Company Fringe-loom.
US3186442A (en) * 1961-09-07 1965-06-01 Gale Harold Graeme Apparatus and method for forming a decorative fringe
US3391595A (en) * 1965-08-10 1968-07-09 Iwai Yasuaki Tufted cord for rugs
US3792899A (en) * 1972-12-29 1974-02-19 Wicker Works Woven and braided furniture
GB2078795A (en) * 1980-06-26 1982-01-13 Day J & Co Derby Works Ltd Combined knitting and weaving process for fabric forming
US4881444A (en) * 1988-06-24 1989-11-21 Krauland Konrad L Method and apparatus for braiding three-dimensional fabrics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1530600A (en) * 1924-06-27 1925-03-24 Jenny Adolph Fringe-weaving loom
US1746790A (en) * 1927-08-26 1930-02-11 Philip N Newman Fringe
US3152620A (en) * 1962-09-26 1964-10-13 John D Riordan Woven narrow web with ornamental selvage
US3301204A (en) * 1964-01-31 1967-01-31 Bell Ind Inc Mechanism for forming a scallop fringe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102602747A (zh) * 2012-03-16 2012-07-25 浙江海森纺机科技有限公司 一种绳编无结网绕线机上的储线管装卸装置

Also Published As

Publication number Publication date
FR2749326A1 (fr) 1997-12-05
FR2749326B1 (fr) 1998-08-07
EP0810311B1 (de) 2000-11-02
DE69703412D1 (de) 2000-12-07
US5829486A (en) 1998-11-03

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