EP0924326A2 - Verfahren und Vorrichtung zur Herstellung von Schlauchwaren - Google Patents

Verfahren und Vorrichtung zur Herstellung von Schlauchwaren Download PDF

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Publication number
EP0924326A2
EP0924326A2 EP98830721A EP98830721A EP0924326A2 EP 0924326 A2 EP0924326 A2 EP 0924326A2 EP 98830721 A EP98830721 A EP 98830721A EP 98830721 A EP98830721 A EP 98830721A EP 0924326 A2 EP0924326 A2 EP 0924326A2
Authority
EP
European Patent Office
Prior art keywords
needles
hooks
pocket
crown
cylinder
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
EP98830721A
Other languages
English (en)
French (fr)
Other versions
EP0924326A3 (de
EP0924326B1 (de
Inventor
Alberto Frullini
Paolo Frullini
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.)
Fabritex SRL
Sangiacomo SpA
Original Assignee
Fabritex SRL
Sangiacomo SpA
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 Fabritex SRL, Sangiacomo SpA filed Critical Fabritex SRL
Publication of EP0924326A2 publication Critical patent/EP0924326A2/de
Publication of EP0924326A3 publication Critical patent/EP0924326A3/de
Application granted granted Critical
Publication of EP0924326B1 publication Critical patent/EP0924326B1/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
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/42—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration
    • D04B9/46—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration stockings, or portions thereof
    • D04B9/56—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration stockings, or portions thereof heel or toe portions

Definitions

  • the subject of the present invention is a method and a device for manufacturing products tubular manufactured, as stockings and articles similar, with a closed end.
  • WO 97/20089 relates to a method and a device for closing the tip of a knitted tubular manufactured product, on the same machine that produces it, where a phase is planned initial weaving of the product portion intended to constitute the point using the needles from almost half of the cylinder of weaving, said needles by co-operating with shelf hooks, so as to secure this part of the fabric to the structure of the tray, as it is normally planned for the execution of the "double edge "and as provided for in the FR documents 1.346.518 and DE 1.635.992.
  • Associated meshes from the shelf hooks are thus removed by set of organs with relative hooks and stakes closure worn by an articulated half-crown to a diametrical axis of the needle cylinder for allow the removal and successively the movement, by means of a 180 ° tilting around said axis following the removal of the plate in the working surface of the needles, up to place these stitches on each other's needles half of the cylinder, to continue the weaving by finishing it with the formation of the edge.
  • the constant presence from the half crown to the edge of the machine involves significant changes to the parts relative structural, especially at the turntable case, turntable crown and of the same plates and this, in addition to limiting the possibility of modifying the machines which could also be structured so as not to allow these changes, also determines an 'increase corresponding to the manufacturing cost.
  • the main purpose of the present invention is to eliminate the aforementioned drawbacks. This result was achieved, in accordance with the invention, by adopting the idea of carrying out a method and a device having the characteristics described in claims 1 and 5. Other characteristics are the subject of the dependent claims.
  • the advantages which derive from the present invention basically consist of what is possible to manufacture manufactured textile products, like stockings and similar items, starting from the portion of the tip and ending on the side of the on board, with a machine and a methodology significantly simpler operational functional point of view as that of the construction, more reliable, relatively less costly and with energy consumption lower, since during the manufacture of the manufactured product we only move the organs needed each time; that it is possible to update circular machines already installed in production facilities without making excessive changes and costly.
  • the rod (400) of said flat elements (4) can be conveniently bent or curved to allow friction on the walls of the respective guides (81) provided in the support half-crown (8) and, by effect of the friction which derives therefrom in the movement phase in said guides, preventing any unwanted spontaneous movement therefrom.
  • each of said flat members (4) can be associated with a mobile element capable of completely closing, in a reversible manner, the hook (40) at the end, so as to form a lace (OR) for retaining the meshes to pick up and move.
  • these closing elements of the grochet (40) are formed by flat members (43) side by side with the main ones (4) and they too can be accommodated in corresponding guide slots provided in the half crown (8) and provided with heels (430, 431) to allow the movement of and towards the needles (2,20) produced by said cams (6,7).
  • the hook closing member (40) of each flat element (4) may consist of a threadlike body (44), curved with the concavity turned towards the side opposite the hook (40), flexible and elastic - which for simplicity is shown only in fig. 17L - welded above the hook (40) and with the free end which extends beyond the corresponding end of the flat element (4).
  • the body (44) spontaneously moves away, by effect of its own elasticity, from the hook (40) so as to always be spontaneously in the initial position of cover, when the setting has occurred.
  • the cover of the hook (40) is sufficient to prevent the spontaneous exit of the hanging tissue, while in the phase of transfer of the tissue to the needles (20) of the second series, the force exerted by the needles (20) is sufficient to move the body (44) away from the cover position of the hook (40) which will again be placed in the initial position of cover when the transfer has occurred.
  • the means for controlling the 180 ° tilting of the half-crown (8) comprise, in accordance with the example of the figures in the appended drawings, a cam (9) with a spiral profile, developed according to a semi-circumference external to the half-crown ( 8) and with an inverted "U" shaped cross section (as illustrated in FIG. 25), slidably mounted in guide hems (91) provided on the cover (803) of the mobile assembly (E) and slaved to a director (90) which controls its translation parallel to itself - as indicated by the arrow GG in FIG.
  • means are provided for holding said half-crown (8) adhering to the support blocks (80) in the prohibited tilting position, which comprise a lever (87) pivoting around the axis of a pivot (870) carried transversely by each block (80) and slaved to a fixed cam (871) integral with the internal surface of the cover (803): the lower free end (872) of the lever (87) being intended for contact with a corresponding portion of the edge external of the half-crown (8) in position of adhesion to the blocks (80) (as illustrated in fig. 22).
  • the lever (87) is normally held in the position of fig. 22 by means of a spring (the JJ axis of which is indicated in fig.
  • the hooks (30) are moved in the centrifugal direction to approach the fabric in the portion of the pocket (ST) corresponding to the needles (2) and the latter are raised until they penetrate the fabric, through the spaces between the hooks (30), and arrange themselves at a height such that this fabric is located below the respective tabs (21).
  • the hooks (30) of the plate (3) are brought back to the respective initial positions, by means of the respective control cams, with a movement contrary to the previous one and, subsequently, the plate (3) is raised to move it away. of the working surface of the needles.
  • the half-crown (8) carried by the mobile assembly (E), is transferred to the weaving station (Y) and placed so as to result coaxially with the cylinder (1) of the needles (2,20) .
  • the organs (4) for taking up the fabric already suspended from the hooks (30) are advanced in succession, centripetally and with a stroke of predetermined length, in the respective housings on the half-crown (8), at means of the cam (6) and with the rotation of the support (800), this rotation being derived from the shaft (805) by means of the transmission (807,808,809).
  • the needles (2) are lowered, so that the aforementioned meshes are supported on the members (4) in correspondence with the hooks (40), and thus obtain the unloading, that is to say the delivery to organs (4).
  • the stitches which have been transferred from the needles (2) to the members (4) are brought back to the needles (20) of the second series, by means of a 180 ° rotation of the half-crown ( 8) around the axis (RR) and of the successive extension of the fabric produced by the same members (4) which, by means of a cam (7), are backward, that is to say moved in a centrifugal direction to arrange them in the respective initial positions occupied before removing the meshes.
  • the needles (20) of the second series are therefore raised to penetrate the end of the fabric now above and then lowered to drag it down and release the meshes from the grip of the organs (4) which, subsequently, come back to the respective initial positions with a movement contrary to the previous one.
  • the mobile assembly (E) is transferred back to the station (Z), the plate (3) is brought back to the initial weaving position and the weaving of the manufactured product is continued, which will have the point already closed.
  • the meshes already suspended from the hooks (30) of the plate (3) can be transferred, instead of on the needles (2) of the first series, on other organs - for example a needle bed spikes constituted by upper appendages of the plates (5) - able, in each case, to form means for temporarily supporting this portion of fabric of the pocket (ST) and still linked to the textile head of the machine, that is to say disengaged from the plate (3) to allow the latter to be moved away when it is controlled the positioning of the mobile assembly (E) with the half-crown (8) in correspondence with the textile head of the machine.
  • a needle bed spikes constituted by upper appendages of the plates (5) - able
  • said temporary support means for the aforementioned portion of the fabric pocket (ST) can be formed by means different from those which operate the actual formation of the pocket (ST), me in all ways. associated with these. For example, it could be a series of organs, fixed or mobile, side-by-side with the plates (5) or also to the needles (2) of the first series. In more detail, as illustrated in figs.
  • the means for temporarily supporting the meshes already suspended from the hooks (30) of the plate (3) can also be formed by a plurality of flat members (55) whose shape is basically equal to that of the plates (5 ) and with an upper appendage (550) dimensioned and shaped so as to be able to arrange there the meshes to be discharged by said hooks (30), to allow the distance of the plate (3) with the hooks (30) and allow intervention sampling members (4)
  • Said flat members can be arranged in side-by-side positions with corresponding plates (5) and provided with control stubs (56) like these (57) plates (5) to be controlled by cam means - for simplicity not shown in the drawings - associated with the plate housing (51) and acting on said heels as for the plates (5).
  • FIGS. 30-36 of the appended drawings The succession of operational phases shown diagrammatically in FIGS. 30-36 of the appended drawings is similar to that relating to the phases previously described with reference to FIGS. 1-8.
  • the only substantial difference consists in the fact that in this case, for the transfer of the meshes by the hooks (30) of the plate (3) to the members (55) of temporary support of the same, it is planned to move in a radial direction by relative to the cylinder (1) either the hooks (30) as the flat members (55), one by one or together.
  • temporary support means meshes already suspended from the hooks (30) of the tray (3) include a plurality of members (21) similar in shape to the needles (2.20) and arranged side by side with needles corresponding, minus on the portion (10) of the cylinder on which the needles prevail (2) of the first series.
  • Said organs (21) can be driven by cams - for simplification not shown in the drawings attached - acting on the respective stubs (210) command, so as to obtain the movement parallel to the cylinder needles (1) which also have tallons (200) of command on which means admir with corresponding cam not shown in the drawings.
  • Said members (21) have a upper appendage (211) capable of unwinding the same function of the appendix (550) of the flat organs (55) described above.
  • a wire (810) for example metallic, which extends along a corresponding groove (811) provided on the portion of minor diameter of the half crown (8) and conveniently replicated at 90 ° on itself in correspondence of the two ends, and a semicircular bar (812) which can be attached to the half-crown (8) on the side opposite that of the wire (810).
  • Said wire (810) can be easily removed from the half-crown 88), as well as the insertion and possible rimotion or substitution of means (4) as a result facilitated by correspondence, even without intervening on the bar (812).
  • the son (810) and the bar (812) also act as means limit switch forward and, respectively, rear, means (4) in the respective seats of the half-crown (8).
  • the seats (81) for members (4) are in the form of slots, i.e. open on each side of the half-crown (8), to act more easily on respective order stubs either before before after the reversal of the half-crown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Knitting Machines (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Sewing Machines And Sewing (AREA)
EP98830721A 1997-12-04 1998-12-02 Verfahren und Vorrichtung zur Herstellung von Schlauchwaren Expired - Lifetime EP0924326B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITFI970265 1997-12-04
IT97FI000265A IT1297377B1 (it) 1997-12-04 1997-12-04 Metodo e dispositivo per la fabbricazione di manufatti tessili tubolari

Publications (3)

Publication Number Publication Date
EP0924326A2 true EP0924326A2 (de) 1999-06-23
EP0924326A3 EP0924326A3 (de) 2000-05-24
EP0924326B1 EP0924326B1 (de) 2003-07-30

Family

ID=11352300

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98830721A Expired - Lifetime EP0924326B1 (de) 1997-12-04 1998-12-02 Verfahren und Vorrichtung zur Herstellung von Schlauchwaren

Country Status (7)

Country Link
US (1) US6105399A (de)
EP (1) EP0924326B1 (de)
AT (1) ATE246275T1 (de)
DE (1) DE69816769T2 (de)
ES (1) ES2203918T3 (de)
IT (1) IT1297377B1 (de)
PT (1) PT924326E (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1316679B1 (it) * 2000-02-28 2003-04-24 Matec Spa Procedimento per la produzione di manufatti tubolari,in particolarecalze,chiusi in corrispondenza di un'estremita' assiale con macchine
IT1316678B1 (it) * 2000-02-28 2003-04-24 Matec Spa Procedimento ed apparecchiatura per la produzione di manufattitubolari,in particolare calze,chiusi in corrispondenza di
ITFI20020199A1 (it) * 2002-10-21 2004-04-22 Fabritex Srl Metodo e apparato per unire i lembi di un manufatto tubolare tessuto a maglia
KR100981096B1 (ko) 2010-02-18 2010-09-08 주식회사유담 양말 편직기용 실린더
US8443633B1 (en) * 2012-09-05 2013-05-21 Da Kong Enterprise Co., Ltd. Apparatus and method for transferring loops from the knitting machine needle
ITMI20130050A1 (it) * 2013-01-16 2014-07-17 Lonati Spa Procedimento per attuare la chiusura automatizzata di un'estremita' assiale di un manufatto tubolare e il suo scarico in assetto a rovescio ed apparecchiatura per la sua esecuzione.
IT201600072994A1 (it) * 2016-07-13 2018-01-13 Lonati Spa Dispositivo prelevatore per operare il prelievo di un manufatto tubolare a maglia da una macchina circolare per maglieria, calzetteria o simile e il suo trasferimento ad un’unita’ atta ad eseguire ulteriori operazioni sul manufatto.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1346518A (fr) * 1962-11-29 1963-12-20 Calze Donnina S P A Procédé et dispositif pour fermer l'ouverture d'extrémité des tricots tubulaires
DE1635992A1 (de) * 1968-01-02 1971-07-29 Feinstrumpfwerke Esda Veb Vorrichtung an Einzylinder-Rundstrickmaschinen zum Schliessen der Spitze eines von derselben her gearbeiteten Strumpfes
EP0592376A1 (de) * 1992-10-09 1994-04-13 FABRIC & MANUFACTURING PRINCIPLES, INC. Verfahren und Vorrichtung zum Verbinden von zwei Rändern eines gestrickten schlauchförmigen Produkts am Ende der Herstellung
EP0635593A1 (de) * 1993-07-12 1995-01-25 FABRITEX S.r.l Verfahren und Vorrichtung zum Verbinden von den zwei Rändern eines Schlaugartig gestrickten Produkts während seiner Herstellung
WO1997020089A1 (en) * 1995-11-28 1997-06-05 Golden Lady S.P.A. Device for closing one end of a tubular knitted article on the same circular machine that produced it

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1346518A (fr) * 1962-11-29 1963-12-20 Calze Donnina S P A Procédé et dispositif pour fermer l'ouverture d'extrémité des tricots tubulaires
DE1635992A1 (de) * 1968-01-02 1971-07-29 Feinstrumpfwerke Esda Veb Vorrichtung an Einzylinder-Rundstrickmaschinen zum Schliessen der Spitze eines von derselben her gearbeiteten Strumpfes
EP0592376A1 (de) * 1992-10-09 1994-04-13 FABRIC & MANUFACTURING PRINCIPLES, INC. Verfahren und Vorrichtung zum Verbinden von zwei Rändern eines gestrickten schlauchförmigen Produkts am Ende der Herstellung
EP0635593A1 (de) * 1993-07-12 1995-01-25 FABRITEX S.r.l Verfahren und Vorrichtung zum Verbinden von den zwei Rändern eines Schlaugartig gestrickten Produkts während seiner Herstellung
WO1997020089A1 (en) * 1995-11-28 1997-06-05 Golden Lady S.P.A. Device for closing one end of a tubular knitted article on the same circular machine that produced it

Also Published As

Publication number Publication date
EP0924326A3 (de) 2000-05-24
IT1297377B1 (it) 1999-09-01
ATE246275T1 (de) 2003-08-15
ITFI970265A0 (it) 1997-12-04
EP0924326B1 (de) 2003-07-30
ITFI970265A1 (it) 1999-06-04
DE69816769T2 (de) 2004-04-15
DE69816769D1 (de) 2003-09-04
PT924326E (pt) 2003-12-31
US6105399A (en) 2000-08-22
ES2203918T3 (es) 2004-04-16

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