EP0464294A1 - Method and device for manufacturing lace ribbon with good cross stiffness - Google Patents
Method and device for manufacturing lace ribbon with good cross stiffness Download PDFInfo
- Publication number
- EP0464294A1 EP0464294A1 EP90440098A EP90440098A EP0464294A1 EP 0464294 A1 EP0464294 A1 EP 0464294A1 EP 90440098 A EP90440098 A EP 90440098A EP 90440098 A EP90440098 A EP 90440098A EP 0464294 A1 EP0464294 A1 EP 0464294A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- loom
- secured
- rotation
- lace
- connecting rod
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
- D04B27/26—Shogging devices therefor
Definitions
- the present invention relates to a method and a device for manufacturing lace bands on a multi-bar loom, and in particular on a Raschel loom. It also relates to the strips of lace obtained by this process.
- the invention relates more particularly, although not exclusively, the manufacture of elastic lace bands intended to equip the upper edge of a woman's stocking, in order to keep it in place.
- the object of the present invention is to remedy these various drawbacks by proposing a method and a device for manufacturing lace bands which makes it possible to weave a monofilament yarn over the entire width of each of the lace bands produced over the width of the needle bed. loom and this while maintaining its normal operating speed, which leads to an excellent yield for manufacturing lace bands having the required transverse rigidity.
- the method according to the invention has the advantage of allowing a wide screening of each strip of lace manufactured over the entire useful width of the loom, allowing a maximum displacement on 140 needles instead of the 8 needles authorized with known systems using link chains.
- the method according to the invention can be carried out using the device developed by the Applicant, this device being characterized essentially in that it is adaptable to a multi-bar loom of the conventional type with a view to replacing the usual link chain with a means of actuating the bars authorizing the production of the lace strips while maintaining the normal operating speed of the loom.
- the device according to the invention comprises for this purpose a combination of means making it possible to transform the regular circular movement of one of the motor shafts of the loom into a horizontal reciprocating movement whose amplitude can be adjusted according to the result. research.
- the device according to the invention thus offers the advantage of allowing the use of a multi-bar loom comprising as many drawing bars as desired, for example 50 or even 78 bars, by allowing the passage of the frame guide between the needles, and this at the normal operating speed of the loom.
- the device according to the invention makes it possible to fix with great precision the extreme positions of the weft guide, which is necessary to allow it to pass between the needles at this rate.
- the device according to the invention comprises a sheave 2 driven in rotation by a motor shaft 1 of the loom, a belt 3 transmitting the rotation to a second sheave 2 ′ crossed by a shaft 4 held by a bearing 5, and rotating a disc 6.
- the disc 6 in turn drives in rotation an eccentric shaft 7 passing through the lower end of a connecting rod 8, said end comprising a horizontal housing allowing the shaft 7 to carry out a displacement in apparent translation relative to the connecting rod 8 during the rotation of the disc 6, so that the connecting rod 8 performs during this rotation of the displacements in alternative vertical translation.
- the connecting rod 8 is secured at its upper end to a bar 9 secured by its lower face to two rods 10 positioned on either side of the connecting rod 8 and guided in translation by ball bushings 11 without play.
- a strip 12 provided with a longitudinal light 13 inside which can be moved and fixed a bolt 14 secured to a rod 15 secured to its other end of a bolt 16 capable of being moved and fixed inside a longitudinal slot 17 formed in a strip 18 secured at one of its ends to an axis 19 around which it can be moved in rotation and fixed at a determined position, as well as a third strip 20 provided with a longitudinal light 21 inside which can be moved and fixed a bolt 22 secured to a rod 23 which actuates the displacement in translation of the screening bar 24 and the guides 25 attached to it.
- the lace bands obtained according to the method and using the device according to the invention can be elastic lace bands produced by means of threads of any kind, in particular cotton or polyamide, associated with threads of elastane or elastodiene: in this case they are suitable for producing elastic bracelets intended for holding the stockings, because of their good transverse rigidity which avoids the rolling phenomenon when worn.
- the elastic lace can be provided on its rear face with at least one strip of adhesive silicone.
- the elastic lace bands according to the invention can also find an application in the production of belts or suspenders for underwear.
- non-elastic lace bands according to the invention can be used in all sectors of the clothing industry where it is advantageous to use a lace having good transverse rigidity.
- the lace bands according to the invention can be in the most diverse forms of patterns, colors, etc., and in particular have contrast effects between the background and the lace proper, these effects being obtainable by inserting therein other types of yarn than monofilaments.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
- Looms (AREA)
Abstract
Description
La présente invention a pour objet un procédé et un dispositif pour la fabrication de bandes de dentelle sur un métier multibarres, et notamment sur un métier Raschel. Elle a également pour objet les bandes de dentelle obtenues par ce procédé.The present invention relates to a method and a device for manufacturing lace bands on a multi-bar loom, and in particular on a Raschel loom. It also relates to the strips of lace obtained by this process.
L'invention vise plus particulièrement, quoi que non exclusivement, la fabrication de bandes de dentelle élastique destinées à équiper le bord supérieur d'un bas de femme, dans le but de le maintenir en place.The invention relates more particularly, although not exclusively, the manufacture of elastic lace bands intended to equip the upper edge of a woman's stocking, in order to keep it in place.
On a déjà proposé de fixer au bord supérieur des bas un bracelet élastique destiné à leur maintien. Toutefois, aucun des produits dentelles de ce type connus à ce jour ne donne satisfaction, soit que le maintien soit insuffisant, soit que le bracelet élastique soit trop serré, soit enfin qu'il ait tendance à rouler sur lui-même au porter, ce qui dans un cas comme dans l'autre entraîne des désagréments pour l'utilisatrice.It has already been proposed to fix an elastic strap intended for their retention at the upper edge of the stockings. However, none of the lace products of this type known to date is satisfactory, either that the support is insufficient, or that the elastic strap is too tight, or finally that it tends to roll on itself when worn, this which in either case causes inconvenience to the user.
D'autre part les dentelles élastiques connues à ce jour sont généralement réalisées sur des métiers à crochet à huit barres maximum, qui produisent des dentelles grossières présentant la rigidité transversale requise mais sans les qualités esthétiques souhaitables pour ce type de produit.On the other hand the elastic laces known to date are generally produced on hook looms with eight bars maximum, which produce coarse laces having the transverse rigidity required but without the desirable aesthetic qualities for this type of product.
Enfin la mise en oeuvre de métiers multibarres pour ce type de réalisation se heurte à la difficulté crééé par la limitation de vitesse entraînée par le mouvement mécanique inhérent à la mise en oeuvre habituelle de chaînes à maillons.Finally, the implementation of multi-bar looms for this type of embodiment comes up against the difficulty created by the speed limitation caused by the mechanical movement inherent in the usual implementation of link chains.
La présente invention a pour but de remédier à ces divers inconvénients en proposant un procédé et un dispositif de fabrication de bandes de dentelle qui permet de tramer un fil monofilament sur toute la largeur de chacune des bandes de dentelle réalisées sur la largeur de la fonture du métier et ce en conservant sa vitesse normale de fonctionnement, ce qui conduit à un excellent rendement de fabrication de bandes de dentelle présentant la rigidité transversale requise.The object of the present invention is to remedy these various drawbacks by proposing a method and a device for manufacturing lace bands which makes it possible to weave a monofilament yarn over the entire width of each of the lace bands produced over the width of the needle bed. loom and this while maintaining its normal operating speed, which leads to an excellent yield for manufacturing lace bands having the required transverse rigidity.
Le procédé selon l'invention présente l'avantage de permettre un tramage large de chaque bande de dentelle fabriquée sur toute la largeur utile du métier, autorisant un déplacement maximum sur 140 aiguilles au lieu des 8 aiguilles autorisées avec les systèmes connus faisant appel à des chaînes à maillons.The method according to the invention has the advantage of allowing a wide screening of each strip of lace manufactured over the entire useful width of the loom, allowing a maximum displacement on 140 needles instead of the 8 needles authorized with known systems using link chains.
Le procédé selon l'invention est réalisable grâce au dispositif mis au point par la Demanderesse, ce dispositif se caractérisant essentiellement en ce qu'il est adaptable à un métier multibarres de type classique en vue d'en remplacer la chaîne à maillons habituelle par un moyen d'actionnement des barres autorisant la réalisation des bandes de dentelle en conservant la vitesse normale de fonctionnement du métier.The method according to the invention can be carried out using the device developed by the Applicant, this device being characterized essentially in that it is adaptable to a multi-bar loom of the conventional type with a view to replacing the usual link chain with a means of actuating the bars authorizing the production of the lace strips while maintaining the normal operating speed of the loom.
Le dispositif selon l'invention comprend à cet effet une combinaison de moyens permettant de transformer le mouvement régulier circulaire d'un des arbres moteurs du métier en un mouvement de va-et-vient horizontal dont l'amplitude peut être réglée en fonction du résultat recherché.The device according to the invention comprises for this purpose a combination of means making it possible to transform the regular circular movement of one of the motor shafts of the loom into a horizontal reciprocating movement whose amplitude can be adjusted according to the result. research.
Le dispositif selon l'invention offre ainsi l'avantage de permettre l'utilisation d'un métier multibarres comportant autant de barres à dessins qu'on le désire, par exemple 50 ou même 78 barres, en autorisant le passage du guide-trame entre les aiguilles, et ce à la vitesse normale de fonctionnement du métier.The device according to the invention thus offers the advantage of allowing the use of a multi-bar loom comprising as many drawing bars as desired, for example 50 or even 78 bars, by allowing the passage of the frame guide between the needles, and this at the normal operating speed of the loom.
Le dispositif selon l'invention permet en effet de fixer avec une grande précision les positions extrêmes du guide-trame, ce qui est nécessaire pour lui permettre de passer entre les aiguilles à cette cadence.The device according to the invention makes it possible to fix with great precision the extreme positions of the weft guide, which is necessary to allow it to pass between the needles at this rate.
D'autres avantages et caractéristiques de la présente invention apparaîtront à la lecture de la description qui suit, faite en regard du dessin annexé qui en représente un mode de réalisation non limitatif et dont la figure unique représente une vue schématique en coupe du dispositif selon l'invention.Other advantages and characteristics of the present invention will appear on reading the description which follows, made with reference to the appended drawing which represents a non-limiting embodiment thereof and the single figure of which represents a schematic sectional view of the device according to the invention. 'invention.
On voit sur cette figure que le dispositif selon l'invention comprend un réa 2 entraîné en rotation par un arbre moteur 1 du métier, une courroie 3 transmettant la rotation à un second réa 2' traversé par un arbre 4 maintenu par un palier 5, et entraînant en rotation un disque 6.We see in this figure that the device according to the invention comprises a
Le disque 6 entraîne à son tour en rotation un arbre excentré 7 traversant l'extrémité inférieure d'une bielle 8, ladite extrémité comportant un logement horizontal permettant à l'arbre 7 d'effectuer un déplacement en translation apparent par rapport à la bielle 8 au cours de la rotation du disque 6, de telle sorte que la bielle 8 accomplit au cours de cette rotation des déplacements en translation verticale alternatifs.The
La bielle 8 est solidaire à son extrémité supérieure d'une barre 9 solidarisée par sa face inférieure à deux tiges 10 positionnées de part et d'autre de la bielle 8 et guidées en translation par des douilles à billes 11 sans jeu.The connecting
A la face supérieure de la barre 9 se trouve solidarisée une réglette 12 munie d'une lumière longitudinale 13 à l'intérieur de laquelle peut être déplacé et fixé un boulon 14 solidaire d'une tige 15 solidaire à son autre extrémité d'un boulon 16 susceptible d'être déplacé et fixé à l'intérieur d'une lumière longitudinale 17 ménagée dans une réglette 18 solidarisée par l'une de ses extrémités à un axe 19 autour duquel elle peut être déplacée en rotation et fixée à une position déterminée, de même qu'une troisième réglette 20 munie d'une lumière longitudinale 21 à l'intérieur de laquelle peut être déplacé et fixé un boulon 22 solidaire d'une tige 23 qui actionne le déplacement en translation de la barre de tramage 24 et des guides 25 qui lui sont fixés.On the upper face of the
On comprend aisément, en observant cette figure, que le réglage en position des boulons 14, 16 et 22 ainsi que l'orientation relative des réglettes 18 et 20 autour de l'axe 19 permet de définir une multiplicité de déplacements en translation de la barre 24, ces déplacements s'effectuant à la vitesse normale de fonctionnement du métier définie par la vitesse de rotation de l'arbre moteur 1 qui entraîne le dispositif selon l'invention.It is easy to understand, by observing this figure, that the adjustment in position of the
Les bandes de dentelles obtenues selon le procédé et à l'aide du dispositif selon l'invention peuvent être des bandes de dentelle élastiques réalisées au moyen de fils de toute nature, notamment de coton ou de polyamide, associés à des fils d'élasthanne ou d'élastodiène : elles sont en ce cas adaptées à réaliser des bracelets élastiques destinés au maintien des bas, en raison de leur bonne rigidité transversale qui évite le phénomène de roulage au porter. Dans cette application, la dentelle élastique peut être munie à sa face postérieure d'au moins une bande de silicone adhésif.The lace bands obtained according to the method and using the device according to the invention can be elastic lace bands produced by means of threads of any kind, in particular cotton or polyamide, associated with threads of elastane or elastodiene: in this case they are suitable for producing elastic bracelets intended for holding the stockings, because of their good transverse rigidity which avoids the rolling phenomenon when worn. In this application, the elastic lace can be provided on its rear face with at least one strip of adhesive silicone.
Les bandes de dentelle élastiques selon l'invention peuvent également trouver une application dans la réalisation de ceintures ou de bretelles de sous-vêtements.The elastic lace bands according to the invention can also find an application in the production of belts or suspenders for underwear.
D'autre part les bandes de dentelle non élastiques selon l'invention peuvent être mises en oeuvre dans tous les secteurs de la confection où il est avantageux d'utiliser une dentelle présentant une bonne rigidité transversale.On the other hand, the non-elastic lace bands according to the invention can be used in all sectors of the clothing industry where it is advantageous to use a lace having good transverse rigidity.
Bien entendu les bandes de dentelles selon l'invention peuvent se présenter sous les formes les plus diverses de motifs, couleurs, etc... et notamment présenter des effets de contraste entre le fond et la dentelle proprement dite, ces effets pouvant être obtenus en y insérant d'autres types de fils que des monofilaments.Of course, the lace bands according to the invention can be in the most diverse forms of patterns, colors, etc., and in particular have contrast effects between the background and the lace proper, these effects being obtainable by inserting therein other types of yarn than monofilaments.
Il va de soi que la présente invention ne saurait être limitée à la description qui précède d'un de ses modes de réalisation, susceptible de subir un certain nombre de modifications sans pour autant sortir du cadre de l'invention.It goes without saying that the present invention cannot be limited to the preceding description of one of its embodiments, capable of undergoing a certain number of modifications without departing from the scope of the invention.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9008586 | 1990-07-03 | ||
FR9008586A FR2664298B1 (en) | 1990-07-03 | 1990-07-03 | METHOD AND DEVICE FOR MANUFACTURING LACE BANDS HAVING GOOD CROSS-SECTIONAL RIGIDITY, AND LACE BANDS THUS OBTAINED. |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0464294A1 true EP0464294A1 (en) | 1992-01-08 |
Family
ID=9398429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90440098A Withdrawn EP0464294A1 (en) | 1990-07-03 | 1990-11-13 | Method and device for manufacturing lace ribbon with good cross stiffness |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0464294A1 (en) |
FR (1) | FR2664298B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105220352A (en) * | 2015-10-27 | 2016-01-06 | 江苏润源控股集团有限公司 | A kind of knitting mechanism of double rib warp loom |
CN109706614A (en) * | 2017-10-25 | 2019-05-03 | 卡尔迈耶纺织机械制造有限公司 | The yarn guiding chase comb driving device and yarn guiding chase comb component of tricot machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1448051A (en) * | 1973-04-05 | 1976-09-02 | Elitex Zavody Textilniho | Device for mounting on a warp knitting machine for trans mitting movement from a drive of the machine to guide bars thereof |
US3987648A (en) * | 1975-07-21 | 1976-10-26 | J. P. Stevens & Co., Inc. | Drive for full width shogging movement of the thread guide bar on raschel knitting machines |
WO1985001526A1 (en) * | 1983-10-06 | 1985-04-11 | Textilma Ag | Warp knitting machine, particularly galloon crocheting machine |
-
1990
- 1990-07-03 FR FR9008586A patent/FR2664298B1/en not_active Expired - Fee Related
- 1990-11-13 EP EP90440098A patent/EP0464294A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1448051A (en) * | 1973-04-05 | 1976-09-02 | Elitex Zavody Textilniho | Device for mounting on a warp knitting machine for trans mitting movement from a drive of the machine to guide bars thereof |
US3987648A (en) * | 1975-07-21 | 1976-10-26 | J. P. Stevens & Co., Inc. | Drive for full width shogging movement of the thread guide bar on raschel knitting machines |
WO1985001526A1 (en) * | 1983-10-06 | 1985-04-11 | Textilma Ag | Warp knitting machine, particularly galloon crocheting machine |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105220352A (en) * | 2015-10-27 | 2016-01-06 | 江苏润源控股集团有限公司 | A kind of knitting mechanism of double rib warp loom |
CN105220352B (en) * | 2015-10-27 | 2017-04-19 | 江苏润源控股集团有限公司 | Knitting mechanism of two-needle bar warp knitting machine |
CN109706614A (en) * | 2017-10-25 | 2019-05-03 | 卡尔迈耶纺织机械制造有限公司 | The yarn guiding chase comb driving device and yarn guiding chase comb component of tricot machine |
CN109706614B (en) * | 2017-10-25 | 2020-07-28 | 卡尔迈耶研发有限公司 | Guide bar drive device and guide bar assembly for warp knitting machine |
Also Published As
Publication number | Publication date |
---|---|
FR2664298A1 (en) | 1992-01-10 |
FR2664298B1 (en) | 1994-10-14 |
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