EP0359690A1 - Tricot double - Google Patents

Tricot double Download PDF

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Publication number
EP0359690A1
EP0359690A1 EP89500086A EP89500086A EP0359690A1 EP 0359690 A1 EP0359690 A1 EP 0359690A1 EP 89500086 A EP89500086 A EP 89500086A EP 89500086 A EP89500086 A EP 89500086A EP 0359690 A1 EP0359690 A1 EP 0359690A1
Authority
EP
European Patent Office
Prior art keywords
meshes
needles
fabric
knitted fabric
tackings
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.)
Withdrawn
Application number
EP89500086A
Other languages
German (de)
English (en)
Inventor
Antonio Piera Casellas
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.)
CETRIKO SA
Original Assignee
CETRIKO 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 CETRIKO SA filed Critical CETRIKO SA
Publication of EP0359690A1 publication Critical patent/EP0359690A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/06—Non-run fabrics or articles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • D04B1/102—Patterned fabrics or articles with stitch pattern

Definitions

  • the present invention relates to a new knitted fabric of the kind comprising horizontal mesh courses in which the meshes of the successive courses are aligned forming mesh columns separated by intermediate channels.
  • the knitted fabrics of this kind are well known and are at the background of the weft knitted fabrics known for a long time; thus, it is deemed unnecessary to describe fully them.
  • the subject of the present invention is a new knitted fabric of the general type as referred to at the beginning, in which the described disadvantages have been substantially overcome.
  • a knitted fabric of the type comprising transverse courses of weft yarns forming successive horizontal rows of meshes, in which the meshes of the successive courses are bound with the meshes of adjacent courses, and aligned vertically to form mesh columns separated by intermediate channels
  • the essential feature con­sisting in that the channels of between the mesh columns of a first knitted fabric formed of one or several con­tinuous wefts, are occupied by mesh columns of a second knitted fabric formed of one or several continuous wefts distinct from the previous wefts, the meshes and the tack­ings of the knitted fabrics formed of the two independent wefts, or groups of wefts, being bound with one another such that the ensemble forms a single fabric structure.
  • a fabric struc­ture originate which is exempt of channels and essentially flat in both its faces, with more balanced internal stresses owing to the absence of the channels, and of a greater resistance to unraveling in view of the greater friction that any broken yarn encounters through the remainder of the columns and meshes of the more compact fabric thus obtained.
  • Binding of the two different knitted fabric structures can be performed in various different modes.
  • one of the fabric structures is offset as regards the other in the direction of the mesh columns, such that the meshes of the second structure are superimposed on the tackings, or channel bottoms, of the first structure, and the tackings of the second structure pass behind the meshes of the first structure.
  • the above mentioned embodiment constitutes the most generic feature for the passing of the tackings of the second fabric structure behind the meshes of the first fabric structure.
  • the bases of the meshes tend to locate them­selves in a more external position, as regards the en­semble of the fabric, that the free ends of these meshes joining to the following meshes of the same column
  • another not the least feature of the present invention provides the feasibility that the tackings of the second fabric structure pass under the meshes of the first fabric structure in a position adjacent or close to the apex of the first fabric structure meshes. This contributes fur­ther to the feature of planarity of both faces of the resulting fabric.
  • Another object of the present invention resides on a method for the obtention of a knitted fabric accord­ing to the above definitions, in which the latch needles of a needle font are, in general terms, driven in successivelysion according to a knitting cycle, such that the needles are first raised up to a feed height in which they take the weft yarn within its hook, then the needles are lowered down to a casting height drawing the taken yarn through the meshes previously held by the needle stems and forming the new meshes while the previous ones are released, and finally the needles are raised up to a dis­charge position in which the new, held meshes are passed to behind the needle latches, this cycle being repeated until attaining the desired fabric length.
  • a first series of needles, or group of needles, distributed along the font are selected such that they come to a working or yarn taking height at the position of a corresponding weft yarn feeder, and there­after the needles, or groups of needles, are driving along the knitting cycle while the needles, or groups of needles, of at least another needle series are held at a height out of work, these needles being finally left at a discharge or out of work height, this cycle being repeated in the subsequent stage of the method with a following needle series until reaching the desired fabric length.
  • alternate needles of the font are selected to a working or feeding height, and at the second stage of the method, the remainder alternate needles of the font are selected to a working or feeding height.
  • the fabric is formed of a series of successive weft courses 1,2,3,4,.. taken in the direction from below to above in the drawing, each said courses comprising, as considered in the direction from left to right in the drawing, successive meshes or loops a,b,c,.. . Every mesh of the odd order wefts 1,3,5,.. is bound in a known manner (in the Example forming a plain knitted fabric) with the homologous mesh of the following weft, in the considered numeric order, forming the odd mesh columns c1,c3,c5.., and each mesh of the even order wefts 2,4,6,..
  • the meshes 1a,1c,1e are bound in stitch forming relation with the meshes 3a,3c,3e,.. and these latter are bound in the same manner with the meshes 5a,5c,5e, and so on, forming the odd order mesh columns c1,c3,c5,.. .
  • the meshes 2b,2d,2f,.. are bound in stitch forming relation with the meshes 4b,4d,4f,.. and these latter are bound in the same manner with the meshes 6b,6d,6f,.. and so on, forming the even order mesh columns c2,c4,c6,.. .
  • the odd order mesh columns denoted with c1,c3,c5,.., are mutually separated by channels whose bot­toms are constituted by the tackings b1.
  • the meshes of the odd columns c1,c3,c5 are located at the level of the fabric front face, whereas the tackings b1 joining these columns are located at the level of the fabric wrong side.
  • this second structure is another knitted fabric of the same composition as the previous one.
  • the mesh columns c2,c4,c6,.. of this second fabric are housed within the channels, whose bottoms are formed of the tack­ings b1, of the first fabric, such that these columns fill up the said channels and give a more continuous structure to the front face of the fabric according to the inven­tion.
  • both structures in constituting an indivisible ensemble within the concept of the invention resides on the fact that both fabrics, according to a fur­ther object of the invention, as it will be described later on, are formed simultaneously and mutually inter­locked during the knitting procedure, such that both fabrics cannot be separated apart the one of the other without a destruction of their ensemble or the loss of the properties of the same, constituting the advantages of the fabric as already explained.
  • the second fabric even mesh columns c2, c4,c6,.. are located, when looking at the fabric at its front face, within the first fabric channels and above their tackings b1, while the second fabric tackings b2 pass behind the meshes 1a,1c,1e,..-3a,3c,3e,.. of the first fabric.
  • the tackings b2 of the second fabric lye closer to the apex 11 of the first fabric meshes than to the bases 12 of the same (of the following meshes within the odd wefts order), as a natural trend of the second fabric tackings to place themselves at a location where they find more room behind the first fabric meshes. It is, however, obvious that this relative situation of both fabric structures within the ensemble of the knitted fabric, could be modified as desired by acting on the working parameters of the machine used for forming it (feed tensions, etc.).
  • the fabric has been knitted with a circular knitting machine having a cylinder needle font with latched needles and two working sets or stations adapted to drive the latch needles and make them to perform a basin knitting cycle.
  • one set performs the odd order courses, and the other set the even order courses, thus giving place to the fabric structure repre­sented in the Figures, though it will be understood that machines of two or more sets can also be used, in which case the successive sets would knit together with the needle series of the corresponding numeric order, that is to say, one set with the odd order needles, the following set with the even order needles, and so on.
  • com­pact and flat structures in both their faces, similar to that shown in Figures 1 and 2, would be obtained.
  • the described fabric is realized by means of a particular series of knitting operations on which the second object of the invention is based.
  • a knitting machine as described above, comprising a latched needle cyliner and several pairs of working sets or stations
  • the first set of each pair selects the needles of a given numeric order to a working position, for example the odd order needles, and performs the usual knitting phases to arrive to the fabric formed of the odd order wefts 1,3,5,.. .
  • the needles come to the zone of the second pair of working sets, where the first set of this pair selects again the odd order needles by raising them to discharge the meshes 1a,1b,1c, behind the latches of the needles and places the hook of the same to the height for taking yarn or feeding.
  • the newly taken yarn is drawn downwards thus forming the meshes 3a,3c,3e,...which pass through the previous meshes 1a,1c,1e,... to remove these latter from the needles and become in turn again in the inactive loading position.
  • the working is repeated to form the following meshes 4b,4d,4f,.. of the second fabric, and the working goes on by repeating itself in the same manner at the following pairs of sets, to ob­tain the whole fabric.
  • the selection of the needles can be performed by conventional means depending in every case on the con­structive features of the machines used.
  • the machine cylinder could be fitted with a series of alter­nate needles having selection heels located at two dif­ferent heights, and endowing the working sets of each pair with a selection or raising cam placed at a corresponding height to put in working condition only the alternate needles having the heel located at this height.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Knitting Machines (AREA)
EP89500086A 1988-09-14 1989-08-23 Tricot double Withdrawn EP0359690A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES8802792 1988-09-14
ES8802792A ES2010797A6 (es) 1988-09-14 1988-09-14 Tejido tricotado de doble base y procedimiento para su fabricacion.

Publications (1)

Publication Number Publication Date
EP0359690A1 true EP0359690A1 (fr) 1990-03-21

Family

ID=8258062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89500086A Withdrawn EP0359690A1 (fr) 1988-09-14 1989-08-23 Tricot double

Country Status (2)

Country Link
EP (1) EP0359690A1 (fr)
ES (1) ES2010797A6 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021188273A1 (fr) * 2020-03-19 2021-09-23 Milliken & Company Tissu tricoté ignifuge
US20220389628A1 (en) * 2021-06-03 2022-12-08 Milliken & Company Flame Resistant Knit Fabric
US20220389627A1 (en) * 2021-06-02 2022-12-08 Milliken & Company Flame Resistant Knit Fabric

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR750891A (fr) * 1933-02-16 1933-08-21 Procédé de fabrication d'un tricot indémaillable, dispositifs en permettant la réalisation et produits en résultant
CH165792A (de) * 1932-11-30 1933-12-15 Nebel Max Maschensichere Wirkware.
DE645190C (de) * 1934-09-20 1937-05-31 Max Nebel Doppelflaechige Wirk- oder Strickware und Verfahren zu deren Herstellung auf einer Rundstrickmaschine
FR1296161A (fr) * 1961-06-19 1962-06-15 Colroy Procédé de fabrication de tricot pour bas circulaire et articles obtenus par ce procédé
FR1354403A (fr) * 1962-06-21 1964-03-06 Raalte Company Van Bas tricoté sans couture
FR2570935A1 (fr) * 1984-10-02 1986-04-04 Vyzk Ustav Pletarsky Article tricote deux-couches " integre " avec une capacite d'absorption de sueur amelioree

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH165792A (de) * 1932-11-30 1933-12-15 Nebel Max Maschensichere Wirkware.
FR750891A (fr) * 1933-02-16 1933-08-21 Procédé de fabrication d'un tricot indémaillable, dispositifs en permettant la réalisation et produits en résultant
DE645190C (de) * 1934-09-20 1937-05-31 Max Nebel Doppelflaechige Wirk- oder Strickware und Verfahren zu deren Herstellung auf einer Rundstrickmaschine
FR1296161A (fr) * 1961-06-19 1962-06-15 Colroy Procédé de fabrication de tricot pour bas circulaire et articles obtenus par ce procédé
FR1354403A (fr) * 1962-06-21 1964-03-06 Raalte Company Van Bas tricoté sans couture
FR2570935A1 (fr) * 1984-10-02 1986-04-04 Vyzk Ustav Pletarsky Article tricote deux-couches " integre " avec une capacite d'absorption de sueur amelioree

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021188273A1 (fr) * 2020-03-19 2021-09-23 Milliken & Company Tissu tricoté ignifuge
US20210292936A1 (en) * 2020-03-19 2021-09-23 Milliken & Company Flame resistant knit fabric
US20220389627A1 (en) * 2021-06-02 2022-12-08 Milliken & Company Flame Resistant Knit Fabric
WO2022256116A1 (fr) * 2021-06-02 2022-12-08 Milliken & Company Tissu tricoté ignifugé et article de support ignifugé
US20220389628A1 (en) * 2021-06-03 2022-12-08 Milliken & Company Flame Resistant Knit Fabric
WO2022256115A1 (fr) * 2021-06-03 2022-12-08 Milliken & Company Tricot ignifuge et article de support ignifuge

Also Published As

Publication number Publication date
ES2010797A6 (es) 1989-12-01

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