EP0246389B1 - Vorrichtung zum Knüpfen von Smyrnamaschen, genannt Ghiordès-Knoten auf einem Stramin - Google Patents

Vorrichtung zum Knüpfen von Smyrnamaschen, genannt Ghiordès-Knoten auf einem Stramin Download PDF

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Publication number
EP0246389B1
EP0246389B1 EP19860810609 EP86810609A EP0246389B1 EP 0246389 B1 EP0246389 B1 EP 0246389B1 EP 19860810609 EP19860810609 EP 19860810609 EP 86810609 A EP86810609 A EP 86810609A EP 0246389 B1 EP0246389 B1 EP 0246389B1
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EP
European Patent Office
Prior art keywords
canvas
sleeve
guiding rod
buckle
head
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 - Lifetime
Application number
EP19860810609
Other languages
English (en)
French (fr)
Other versions
EP0246389A1 (de
Inventor
Hubert Jeandupeux
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 EP0246389A1 publication Critical patent/EP0246389A1/de
Application granted granted Critical
Publication of EP0246389B1 publication Critical patent/EP0246389B1/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
    • D04G—MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR TAPESTRIES; KNOTTING NOT OTHERWISE PROVIDED FOR
    • D04G3/00—Making knotted carpets or tapestries
    • D04G3/02—Making knotted carpets or tapestries by hand; Tools therefor

Definitions

  • the present invention relates to an apparatus for tying Smyrna stitches known as Ghiordes knots on a canvas.
  • the apparatus according to the invention is more precisely of the type comprising: a head secured to a guide rod and carrying a rigid loop; a movable assembly along the guide rod between a rest position and an engaged position, this assembly comprising a control handle and two hooks which, in the rest position, are set back from said loop, on both sides 'other of it, and which, in the engaged position, cross in this loop; a snap normally locking the moving element in the rest position, and a trigger which is integral with a sleeve surrounding the guide rod and adjusted thereon so that it can slide freely along this rod and which, when the said loop has passed through the canvas, comes into contact with the latter and releases the snap by moving the sleeve along the guide rod so as to allow the mobile assembly to move from its rest position to its engaged position .
  • Such an apparatus is mainly intended for individuals interested in making carpets with pile knotted securely on a canvas, an appropriate choice of colors different from the pile threads allowing the production of ornamental patterns.
  • the snap is constituted by a pair of dogs residing in spring wires bent so as to have a straight part housed in grooves of the guide rod, one end at a right angle engaged in a hole in this rod , a control ramp deviating from the latter, and a locking spout, approximately perpendicular to said rod.
  • the control of this snap is provided by a sleeve freely adjusted around the guide rod and having two longitudinal slots to allow passage to the ramps and the spouts of the spring wires constituting the dogs of the snap.
  • the trigger resides in a tongue integral with the sleeve controlling the snap-fastening.
  • This tab crosses the head of the device and normally projects in front of it.
  • a spring housed in the handle tends to maintain the trigger in this position, in which the snap-fit spouts are moved away from the guide rod and lock the moving part of the device in the rest position.
  • the trigger comes into contact with it, which pulls the sleeve away from the camera head.
  • the front end of the slots of this sleeve then act on the control ramps of the dogs of the snap, which brings their beaks closer to the guide rod by freeing the moving part of the device.
  • the person using the latter therefore only has to push it against the canvas, then remove it to tie a Smyrna stitch on it.
  • This known device thus has the advantage of exempting the person who uses it from any other manipulation generating fatigue, or even cramps.
  • the present invention aims to create a device of the type considered, which has the same advantage as the known device, but with a snap free of the defect of this device.
  • the snap-fastening of the device comprises a ball that the sleeve integral with the trigger normally engages, on the one hand, in a part of a notch in the guide rod, and, on the other hand part, in a housing of the internal wall of the control handle, the sleeve moving the ball at the bottom of the notch of the guide rod and releasing it from said housing, when the trigger comes into contact with the canvas.
  • the snap-fastening thus defined is made up only of rigid members, capable of locking and releasing the mobile assembly of the apparatus without striking a shot millions of consecutive times.
  • This snap-fastening also has the advantage of operating with a relatively short stroke of the trigger.
  • the special embodiments defined by claim 2 have the advantage of providing a kinematic connection between the ball and the sleeve, which controls its movements, which is as simple to manufacture as to operate safely.
  • Those defined by claim 3 have the advantage that the part of the trigger projecting in front of the head of the device, in the rest position, is protected by the loop of the device. It can therefore be relatively fine, therefore compact, without being exposed to plastic deformation as a result of accidental snagging with foreign bodies.
  • the apparatus shown comprises a head 1 molded from synthetic material.
  • This head has a nose 2 and two cheeks 3 which extend on either side of the nose 2, so as to form housings 4, 5.
  • the end 6 of the nose 2 has a concave shape.
  • the head 1 is integral with a guide rod 7 and its nose carries a rigid loop 8, the latter two parts being preferably metallic.
  • the loop 8 has a longitudinal partition 9 in the middle of its width, which defines two compartments 10, 11.
  • the apparatus also has an assembly which can slide freely along the rod 7.
  • This assembly comprises a hollow handle 12 molded in one piece from synthetic material with a lifting beam 13.
  • the latter has two pins 14 to which metal hooks 15 are articulated , 16 arranged in different planes. The ends of these hooks are engaged in grooves (not shown) of the head 1. Each hook is guided in these grooves by a pair of pins 17, planted through the head 1.
  • the device includes a ball snap, which blocks the moving element 12 to 16 along the guide rod 7 as long as the partitioned loop 8 of the device enters the canvas, but which automatically releases this element 12 to 16, as soon as loop 8 is fully engaged in the canvas.
  • the head 1 has four holes 18 which pass through it parallel to the axis of the device and open into the bottom of the concavity of the end 6 of its nose 2.
  • Four branches 19 of equal length of a metal trigger 20 (Fig. 2) pass through the holes 18, in which they can slide freely.
  • the branches 19 constitute the legs of a "U” whose rounded base 21 is bent at right angles so as to surround the base of the loop 8 (Fig. 3).
  • the bases 21 are located at a certain distance from the bottom of the concavity of the end 6 of the nose 2.
  • the ends of the branches 19 are fixed to a flat ring 22 which, in the position of Figs. 1 and 4, rests against the head 1.
  • the guide rod 7 has, on the one hand, a diametrical slot 23, of length equal to the stroke of the moving element 12 to 16 of the apparatus, and, on the other hand, a notch 24 with cylindrical surface-shaped walls.
  • the handle 12 has an internal groove 25 and a shoulder 26. Its upper end is closed.
  • the apparatus further comprises a ball 27 partially housed in the notch 24 and a sleeve 28 adjusted on the guide rod 7 so as to be able to slide freely along the latter.
  • the sleeve 28 has a lateral opening 29, the edges of which surround the ball 27, and it is placed under the action of a return coil spring 30, which is housed in the handle 12, around the guide rod 7 , and bears against the shoulder 26 to push the sleeve 28 against the head 1.
  • a pin 31 is driven through the handle 12 and passes freely in the slot 23 of the guide rod 7.
  • the spring 30 moves the mobile assembly 12 to 16 away from the head 1. It presses the pin 31 against the rear end of the slot 23 and the ring 22 against the head 1 by means of the sleeve 28. In this position, the edges of the opening 29 of the sleeve 28 separate the ball 27 from the bottom of the notch 24 and keep it engaged in the groove 25, which locks the handle 12 to the guide rod 7 and therefore secures the moving part 12 to 16 and the head 1 between them.
  • the apparatus described is intended to tie Smyrna stitches on a canvas composed of pairs of warp and weft threads close together. These pairs of wires are regularly spaced from one another so as to define square openings between them. Three contiguous pairs of weft threads 32, 33, 34 are shown in section in Figs. 1 and 5. These threads 32, 33, 34 are naturally comprised between two neighboring pairs of warp threads (not shown). We find on the market canvas of this kind, with more or less fine warp and weft threads and more or less large openwork.
  • a strand of pile wire (not shown), of predetermined length and of size suitable for this canvas is folded in two on itself and engaged in the housings 4, 5 of the head of the apparatus while holding its ends one against the other between the thumb and the index finger.
  • the loop 8 is introduced between the two strands of the pair of weft threads 33 close together, then pushed fully through the canvas.
  • the two strands 33 are trapped at the bottom of the concavity of the end 6 of the nose 2 of the head 1.
  • This measurement makes perfect sense in the case of scantily or not primed canvas or in those where the primer has more or less disappeared; in particular it prevents one or the other of the strands 33 from being grasped and possibly sectioned by the hooks 15, 16 during the next time of the operation.
  • the hooks 15, 16 successively pass the ends of the pile thread engaged in the housings 4, 5 firstly through the openings comprised between the pairs of weft threads 32, 33 and 33, 34, then in the compartments 10, 11 of the loop 8, where these ends of the pile thread leave the hooks 15, 16.
  • the person using the apparatus according to the invention only has to remove it from the canvas to tie a Smyrna stitch.
  • the mobile assembly 12 to 16 moves back by removing the hooks 15, 16 from the loop 8 and bringing them back to their rest position shown in FIG. 1.
  • the loop 8 is still fully engaged in the canvas with the ends of the pile wire in its compartments 10, 11.
  • the loop 8 is released from the canvas by carrying with it the two ends of the pile wire, which are in its compartments 10, 11, between the two strands of weft threads 33.
  • the middle part of the pile thread which is wound around the two weft threads 33, it forms the actual knot.
  • the device described makes it possible to tie a Smyrna stitch simply by pushing it fully against the canvas, after having placed around its nose 2 a strand of hair yarn, previously cut to the desired length, then by removing it completely out of the canvas. Bundles of hair strands of different colors, lengths and sizes are available on the market.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (3)

1. Vorrichtung zum Knüpfen von Smyrnamaschen, genannt Ghiordès-Knoten auf einem Stramin, die einen an einer Führungsstange (7) feststehenden und eine starre Schlinge (8) tragenden Kopf (1), eine längs der genannten Führungsstange zwischen einer Ruhelage und einer eingesetzten Lage bewegliche Einheit (12-16, eine) die bewegliche Einheit (12-16) in Ruhelage normalerweise sperrende Klinkenvorrichtung (24-29) und einen Auslöser (20) aufweist, der an einer Muffe (28) feststeht, welche die Führungsstange (7) umfasst und dieser derart angepasst ist, dass sie längs dieser Stange (7) frei gleiten kanrr, welcher Auslöser (20), wenn die genannte Schlinge (8) den Stramin durchquert hat, in Berührung mit dem letzteren eintritt und die Klinkenvorrichtung auslöst, indem er die Muffe (28) längs der Führungsstange (7) verschiebt, so dass es der beweglichen Einheit erlaubt ist, sich von ihrer Ruhelage in ihre eingesetzte Lage zu bewegen, wobei diese Einheit einen Steuergriff (12) und zwei Nelken (15, 16) umfasst, die in Ruhelage sich hinter der genannten Schlinge, beidseits derselben befinden, und die in eingesetzter Lage sich in diese Schlinge kreuzen, dadurch gekennzeichnet, dass die genannte Klinkenvorrichtung eine Kugel (27) besitzt, welche durch die am Auslöser (20) feststehende Muffe einerseits in einen Teil eines Einschnittes (24) der Führungsstange (7) und anderseits in eine Ausnehmung (25) der Innenwand des Steuergriffs (12) normalerweise einführt, welche Kugel (27) durch die genannte Muffe (28) auf den Boden des Einschnittes (24) der Führungsstange (7) verschoben wird und von der genannten Ausnehmung (25) heraus kommt, wenn der Auslöser (20) mit dem Stramin (32, 33, 34) in Berührung eintritt.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die genannte Muffe (28) eine runde, seitliche Öffnung (29) aufweist, deren Ränder die Kugel (27) derart umfassen, dass letztere während der Bewegungen der Muffe (28) längs der Führungsstange (7) mitgenommen wird.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Auslöser (20) vier in Bohrungen (18) des genannten Kopfes (1) eingesetzte und diesen hindurchtretende Arme aufweist, wobei je zwei von diesen Armen die Schenkel eines "U" bilden, dessen abgerundeten Basis rechtwinklig gebogen sind und die Basis der genannten Schlinge (8) umgeben, während die Enden der genannten Schenkel an einem Ring (22) befestigt sind, der sich gegen die genannte Muffe (28) abstützt.
EP19860810609 1986-05-16 1986-12-22 Vorrichtung zum Knüpfen von Smyrnamaschen, genannt Ghiordès-Knoten auf einem Stramin Expired - Lifetime EP0246389B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH200886A CH665857A5 (fr) 1986-05-16 1986-05-16 Appareil a nouer des points de smyrne dits noeuds de ghiordes sur un canevas.
CH2008/86 1986-05-16

Publications (2)

Publication Number Publication Date
EP0246389A1 EP0246389A1 (de) 1987-11-25
EP0246389B1 true EP0246389B1 (de) 1990-08-22

Family

ID=4223748

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860810609 Expired - Lifetime EP0246389B1 (de) 1986-05-16 1986-12-22 Vorrichtung zum Knüpfen von Smyrnamaschen, genannt Ghiordès-Knoten auf einem Stramin

Country Status (3)

Country Link
EP (1) EP0246389B1 (de)
CH (1) CH665857A5 (de)
DE (1) DE3673645D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD2040G2 (ro) * 2001-12-20 2003-05-31 Валерий БАЧЕВИЧ Procedeu de înnodare la fabricarea covoarelor şi dispozitiv pentru realizarea lui

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH471269A (fr) * 1967-03-31 1969-04-15 Jeandupeux Pellaton Madeleine Appareil pour la confection de noeuds de tapis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD2040G2 (ro) * 2001-12-20 2003-05-31 Валерий БАЧЕВИЧ Procedeu de înnodare la fabricarea covoarelor şi dispozitiv pentru realizarea lui

Also Published As

Publication number Publication date
DE3673645D1 (de) 1990-09-27
CH665857A5 (fr) 1988-06-15
EP0246389A1 (de) 1987-11-25

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