The present invention relates to a knitting tool (1), preferably a needle or sinker, which - has a stitch-forming portion (2) at the front end of its longitudinal extension, - has a support portion (3) in the further course of its longitudinal extension, - wherein side walls (4, 5) delimit the knitting tool (1) in the lateral direction (x), - wherein the side walls (4, 5) comprise support surfaces (6) which are intended for being in contact with and sliding along (and being supported on) the needle channels or needle guides of the knitting machine during knitting operation, - wherein the surface of the side walls (4, 5) of the knitting tool (1) comprises at least one recessed portion (8), - the surface of which is less spaced apart from an imaginary plane of symmetry of the knitting tool (1), spanned by its longitudinal axis of symmetry and its height direction, than at least one support surface (6) of the same side wall (4, 5) of the knitting tool (1). The invention also relates to a knitting machine containing needles of this kind.
A double raschel warp knitting machine including: a pair of frontside jacquard bars JB2, 3 and a pair of backside jacquard bars JB4, 5 as jacquard bars, in which each of the frontside jacquard bars JB2, 3 and the backside jacquard bars JB4, 5 is a half-gauge jacquard bar; and at least one frontside ground guide bar GB1 provided on the front side of the frontside jacquard bars JB2, 3 and at least one backside ground guide bar GB6, 7, 8 provided on the back side of the backside jacquard bars JB4, 5, as ground guide bars. The double raschel warp knitting machine is characterized in that the four half-gauge jacquard bars have jacquard guides at the same positions in the width direction of the knitting machine.
The present invention provides a double Raschel warp knitting machine comprising: a pair of front-side jacquard bars JB2, 3 and a pair of back-side jacquard bars JB4, 5 as jacquard bars, the front-side jacquard bars JB2, 3 and the back-side jacquard bars JB4, 5 being half-gauge jacquard bars; and, as ground guide bars, at least one front-side ground guide bar GB1 provided closer to the front side than the front-side jacquard bars JB2, 3, and at least one back-side ground guide bar GB6, 7, 8 provided closer to the back side than the back-side jacquard bars JB4, 5, said double Raschel warp knitting machine characterized in that four half-gauge jacquard bars are provided with jacquard guides at the same position in the width direction of the knitting machine.
D04B 21/00 - Procédés de tricotage chaîne pour la production de tricots ou articles qui ne dépendent pas de l'emploi de machines particulièresTricots ou articles définis par de tels procédés
D04B 21/14 - Tissus caractérisés par l'incorporation par tricotage de fils de renforcement, de fils de liage ou de fils décoratifs, dans un ou plusieurs fils, nappe ou couche de tissuTricots incorporant de petits éléments auxiliaires, p. ex. à des fins décoratives
D04B 23/22 - Métiers à tricoter chaîne rectiligne avec des moyens particuliers de guidage du fil
4.
Multifunctional continuous dyeing apparatus of warp chains for fabrics
A multifunctional continuous dyeing apparatus provided at a bottom with a main body within which are formed in a sequence, with reference to the feeding direction of the yarn, at least a first dyeing group for the yarn, provided with a respective first squeezing device of the yarn, an oxidation or diffusion/fixation group, placed downstream of the first dyeing group and arranged for the oxidation of the dyed yarn or for the diffusion/fixation of the dye in the fiber of the dyed yarn, and at least a second dyeing group of the yarn, arranged downstream of the oxidation or diffusion/fixation group and in turn provided with a respective second squeezing device of the yarn, where at least the first dyeing group, the first squeezing device, the oxidation or diffusion/fixation group and the second dyeing group are hermetically sealing enclosed by at least one covering case, integral at the top with the main body, and provided with a plurality of doors which are at least partially openable to perform the dyeing of the yarn in an environment exposed to air and which are reclosable to perform the dyeing of the yarn in an inert environment under nitrogen.
D06P 1/22 - Procédés généraux de teinture ou d'impression des textiles ou procédés généraux de teinture du cuir, des fourrures ou des substances macromoléculaires solides de toutes formes, classés selon les teintures, les pigments ou les substances auxiliaires utilisés utilisant des colorants de cuve
D06B 3/06 - Passage des matières textiles à travers des liquides, gaz ou vapeurs en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage, imprégnation de filés, fils ou filaments manipulés individuellement
D06B 19/00 - Traitement de matières textiles par des liquides, gaz ou vapeurs, non prévu dans les groupes
D06B 21/02 - Traitements successifs de matières textiles par des liquides, des gaz ou des vapeurs les traitements étant réalisés dans une enceinte unique
D06P 5/00 - Autres caractéristiques de la teinture ou de l'impression des textiles ou de la teinture du cuir, des fourrures ou des substances macromoléculaires de toutes formes
D06P 5/20 - Traitements physiques influant sur la coloration, p. ex. ultrasons ou électricité
5.
Oxidation intensifier device for indigo dyeing systems
An oxidation intensifier device for a continuous dyeing system for dyeing a warp thread, the device arranged for being mounted in the oxidation assembly of the dyeing system and comprises two blowing assemblies having a substantially identical shape and opposed one another, each blowing assembly is provided with at least one respective fan and, downstream of such a fan, with a respective plurality of convergent conduits arranged along development directions that are parallel and transversal to the feeding direction of the warp thread, the convergent conduits of a first blowing assembly converge in a opposite direction with respect to the convergence direction of the convergent conduits of the opposite blowing assembly, each convergent conduit is configured to face parallel to a single lap of the warp thread moving inside the dyeing system and is provided with a plurality of longitudinal slots oriented along the same development direction of the respective convergent conduit, where each fan is hydraulically connected to the plurality of convergent conduits of the respective blowing assembly and is configured to convey air towards the plurality of longitudinal slots, so that a plurality of opposite air laminar flows is generated, which generate a plurality of turbulences adapted to facilitate the oxidation process of the dyed warp thread on both its surfaces.
D06B 5/06 - Opérations forçant les liquides, gaz ou vapeurs à traverser les matières textiles en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage, imprégnation à traverser des matières en grande longueur en déplacement à traverser des filés, fils ou filaments
D06B 19/00 - Traitement de matières textiles par des liquides, gaz ou vapeurs, non prévu dans les groupes
D06P 1/22 - Procédés généraux de teinture ou d'impression des textiles ou procédés généraux de teinture du cuir, des fourrures ou des substances macromoléculaires solides de toutes formes, classés selon les teintures, les pigments ou les substances auxiliaires utilisés utilisant des colorants de cuve
The invention relates to a tank for washing a warp thread, provided with a device for intensifying the washing effect set in rotation inside the tank. Each device includes a body having cylindrical geometry, having circular cross section, which has a plurality of longitudinal bars arranged along the cylindrical side surface of the device. Between each pair of adjacent bars a longitudinal slit is defined. The body also has a pair of end elements extending radially, forming the opposite bases of the body and configured to support and enclose the bars. The body also has a pair of opposite rotation pins, obtained on the respective outer surfaces of the end elements and that extend along an axial direction and parallel to the direction of extension of the bars. The body also has a tangential turbodynamic flow generator, arranged inside the body and configured to intensify the interchange between the washing liquid and the warp thread through the longitudinal slits during the rotation of the device.
D06B 3/04 - Passage des matières textiles à travers des liquides, gaz ou vapeurs en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage, imprégnation de filés, fils ou filaments
D06B 3/20 - Passage des matières textiles à travers des liquides, gaz ou vapeurs en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage, imprégnation de tissus avec des moyens pour améliorer la circulation de la substance traitante sur la surface du tissu
D06B 1/14 - Application de liquides, de gaz ou de vapeurs aux matières textiles en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage ou imprégnation par contact avec un organe portant la substance traitante avec un rouleau
D06B 1/16 - Application de liquides, de gaz ou de vapeurs aux matières textiles en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage ou imprégnation par contact avec un organe portant la substance traitante avec un rouleau l'alimentation en substance traitante se faisant par l'intérieur du rouleau
7.
Method for manufacturing a knitted fabric comprising a vertical yarn filament
A method for manufacturing a knitted fabric embodying a basic knit, into which at least one functional yarn filament, such as an electrically conductive yarn filament, is incorporated as a vertical yarn filament (F3). The basic knit is formed from a first and a second yarn (F1, F2) using a plaiting technique. The vertical yarn filament (F3) is incorporated by a third yarn carrier (FF3) positioned, on a third yarn carrier rail located between respective yarn carrier rails for the first and the second yarn carriers (FF1, FF2), at a location at which the vertical yarn filament (F3) is to be incorporated. During formation of a sequence of stitch rows (MR1-MR7) using the first and second yarns (F1, F2), the first yarn (F1) is guided over the vertical yarn filament (F3) on a front side of the knitted fabric and the second yarn (F2) is guided over the vertical yarn filament (F3) on a back side of the knitted fabric.
A knitted fabric, a method of producing the knitted fabric and a warp knitting machine. The knitted fabric includes a first covering layer; a second covering layer; and an arrangement of pile threads formed as spacer threads between the first covering layer and the second covering layer. Each covering layer includes multiple stitch rows arranged one after another. The spacer threads have different lengths, and the spacer threads woven into each stitch row have equal lengths. The spacer threads in a first width region have a different length than the spacer threads in a second width region. For at least two adjacent stitch rows, one stitch row is connected to spacer threads of a first length in the first width region and one stitch row is connected to spacer threads of a second length in the second width region.
D04B 21/14 - Tissus caractérisés par l'incorporation par tricotage de fils de renforcement, de fils de liage ou de fils décoratifs, dans un ou plusieurs fils, nappe ou couche de tissuTricots incorporant de petits éléments auxiliaires, p. ex. à des fins décoratives
D04B 21/20 - Procédés de tricotage chaîne pour la production de tricots ou articles qui ne dépendent pas de l'emploi de machines particulièresTricots ou articles définis par de tels procédés spécialement conçus pour le tricotage d'articles à configuration particulière
Manufacturing a tubular knitted article on a flat knitting machine includes using at least two diametrically opposed needle beds, which has plain stitches and purl stitches in each stitch row, wherein purl stitches follow the plain stitches of a stitch row in a subsequent stitch row, and plain stitches follow the purl stitches of the stitch row in the subsequent stitch row.
A device (100) is described, together with a continuous dyeing process with indigo and reduction dyes for warp yarn chains (3) and/or fabrics. The device (100) comprising at least one hermetically sealed dyeing compartment (1), and at least one hermetically sealed compartment (2) for the diffusion and fixing of the dye on the yarn (3). The compartment (2) is situated downstream of the dyeing compartment (1) and is functionally and hermetically connected to the dyeing compartment (1) by means of a tunnel (4). Means (12) are present inside the compartments (1, 2) and tunnel (4), for the entry of inert gas or deoxygenated air. One or more means (14, 14′) for the direct application of the dye onto the yarn (3) are also present inside the dyeing compartment (1), whereas at least one tank (8) for humidifying the environment and at least one means (7) for heating the yarn (3) leaving the dyeing compartment (1), are present in the compartment (2).
D06B 1/00 - Application de liquides, de gaz ou de vapeurs aux matières textiles en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage ou imprégnation
D06F 35/00 - Machines à laver, appareils ou méthodes non prévus ailleurs
11.
Yarn-tensioning device and arrangement and method for operating a creel
The invention relates to a yarn-tensioning device for producing a specific thread pull on a thread (5) that is unwound from a winding point (7) of a creel (2) and is guided to a warping machine arrangement (1). Said yarn-tensioning device comprises a rotating body (18) which is at least partially wound round by threads and an electric motor (19) which is connected to the rotation body. Said motor (19) is equipped with at least one brake transistor (20) for discharging excess energy produced when the generator of the motor is operated, said brake transistor being able to convert generator energy, arising when the generator is operated, into heat.
Device (100) and dyeing process in continuous with indigo for warp yarn chains (3) and/or fabrics, equipped with a first hermetically sealed dyeing compartment (1), suitable for containing the dye bath, and a hermetically sealed fixing/dehydration compartment (2) of the yarn (3). The two dyeing (1) and fixing/dehydration (2) compartments comprise an inert environment and are functionally and hermetically connected with each other and there are means (4) for introducing nitrogen and/or deoxygenated air inside the same compartments; inside the compartment (2) there is at least one means (5) for directly heating and/or dehydrating the yarn (3).
D06B 3/04 - Passage des matières textiles à travers des liquides, gaz ou vapeurs en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage, imprégnation de filés, fils ou filaments
13.
Method and device for operating a creel designed for a winding system and corresponding creel
The invention concerns a creel (2) comprising a plurality of winding heads (7) from which several yarns of the same type or of different types are drawn simultaneously by means of a winding machine (3). Said creel comprises at least one dynamic yarn tension device (6) which is associated with each winding head and at which a variable braking force is applied to the yarn to produce a predetermined yarn tension. Each yarn tension device (6) can be activated by means of an associated drive motor (20). Said creel (2) comprises a control device for controlling the yarn tension based on the angular speed or the yarn speed during a start-up and/or an interruption of the winding machine (3), as well as a regulator (25) for regulating the yarn tension during the normal stationary phase of the winding machine (3). The control device and the regulator (25) are designed such that the yarn tension or the output tension of each yarn can be maintained at a substantially constant level relative to a setpoint value. In order to determine a quantity of regulation (32) of the braking force required to control the yarn tension device (6), a precompensation of the disturbing quantity is implemented. Said precompensation calculates from the yarn speed (v) as input quantity a compensated correction quantity (34) of at least the inertia of the motor and a friction coefficient of the drive motor (20).
A continuous dyeing device and related processes using indigo and/or other colorants for warp yarn chains and/or for fabrics, equipped with at least a first and a second dyeing compartments containing dyeing baths, the first and second dyeing compartments being enclosed, at least partially, in a hermetically sealed chamber. The device also includes at least one squeezing element interposed between the two dyeing compartments and a plurality of cylinders for heating and/or dehydrating the yarn and or the fabric, thereby increasing the diffusion and the absorption of the colorant. The cylinders are positioned downstream of the first dyeing compartment and squeezing element.
D06B 5/18 - Opérations forçant les liquides, gaz ou vapeurs à traverser les matières textiles en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage, imprégnation à traverser des matières de longueur finie à traverser des filés, fils ou filaments à traverser des nappes de fils sur ensouples
brevets
