EP0803003B1 - Vorrichtung zum fixieren von strümpfen und dergleichen mittels dampf - Google Patents

Vorrichtung zum fixieren von strümpfen und dergleichen mittels dampf Download PDF

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Publication number
EP0803003B1
EP0803003B1 EP95939373A EP95939373A EP0803003B1 EP 0803003 B1 EP0803003 B1 EP 0803003B1 EP 95939373 A EP95939373 A EP 95939373A EP 95939373 A EP95939373 A EP 95939373A EP 0803003 B1 EP0803003 B1 EP 0803003B1
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EP
European Patent Office
Prior art keywords
case
molds
closing
fit
steam
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
EP95939373A
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English (en)
French (fr)
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EP0803003A1 (de
Inventor
Luigi Guccini
Stefano Guccini
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.)
Lamec Lavorazioni Meccaniche Di Guccini Luigi & Csnc
Original Assignee
Lamec Lavorazioni Meccaniche Di Guccini Luigi & Csnc
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Publication of EP0803003A1 publication Critical patent/EP0803003A1/de
Application granted granted Critical
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C5/00—Shaping or stretching of tubular fabrics upon cores or internal frames
    • D06C5/005—Shaping or stretching of tubular fabrics upon cores or internal frames of articles, e.g. stockings
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D06C7/02—Setting

Definitions

  • the present invention relates to the technical field concerned with the apparatuses for treating of stockings.
  • the present invention relates to an apparatus for steam fixing of woman stockings, like tights or the like.
  • Apparatuses for controlling, fixing and drying of stockings are known, which generally comprise a rotating turret, able to transport subsequently the stockings to be treated up to the various operating stations, comprising a stockings inserting station and a stocking extraction station.
  • Stockings are inserted on suitable molds, which are usually constituted by curved tubular elements, defining the stockings profile. Moulds are held at the rotating turret periphery, being regularly spaced.
  • the fixing phase is achieved by introducing molds inside a chamber, which is fed with water steam and where the fabric is submitted to a permanent shaping.
  • Patent N. 1225876 shows, by example, a fixing apparatus in which the steam chamber has opposite lateral walls, one of which is fixed, and the other one is movable to allow the chamber to be closed, for introducing the steam, and then the chamber to be opened, thus allowing molds to be moved.
  • pressing pads are mounted, fit to engage and to compress stockings on their molds, when the steam chamber is in its closed position.
  • the apparatus comprises a double steam chamber fit to receive, while in an open position, respective pairs of molds.
  • Said steam chamber is made of two symmetrically movable shells, fit to be sealingly coupled at their respective front edges; the cited shells, when in their closed position, have internal walls which cling to the moulds.
  • the GB-A-2138856 discloses a hosiery processing method and apparatus.
  • the apparatus includes a support frame with a plurality of hosiery carrying forms supported by a driving chain mechanism.
  • a flat steam chamber includes a stationary wall and a movable wall both having peripheral seals. The movable wall can be moved toward and away from the stationary wall to open and close the steam chamber.
  • the hosiery carrying frames are held stationary temporarily at the steam chamber while steam is injected in the chamber and the movable wall is moved to close the chamber and set the fibres of the hosiery.
  • opening the fixing chamber walls causes a sudden drop in temperature, so providing evident problems due to condensation forming, together to a steam dispersion.
  • the last fact causes some energy wasting, and makes the working environment less comfortable.
  • a further drawback is due to the high amount of time the moulds stay into the steam chamber. In fact, that time affects the cycle rate of the others operating phases, which are usually faster; increasing that time means reducing the apparatus productivity. On the opposite side, reducing the fixing time below a threshold value compromises the success of thermal treatment.
  • an apparatus for steam fixing of stockings or similar articles which comprises a case (17), internally defining a steam chamber (18), having a flattened shape along a longitudinal plane coincident with a forwarding plane for moulds (2) which are upwardly supported and oriented downwardly, the said case (17) being provided, at its entrance and at its exit, of closing doors (19), and being also provided, at its upper part, with a longitudinal slit (21), fit to allow said molds (2) to pass along the said steam chamber (18), said slit (21) being also fit to be closed around the molds (2) by sealing means (22).
  • 1 indicates an apparatus for controlling, steam fixing and drying of woman stockings, of the type of tights or the like.
  • Apparatus 1 carries and moves in an intermittent way, according to a ring path, a series of molds 2, arranged in pairs and fit to inserting on each of them corresponding stockings to be treated. Molds 2 are made of suitably shaped solid glass bodies.
  • molds 2 have a flattened shape, and an outline getting narrower towards their free end, which substantially corresponds to the stockings feet.
  • Molds 2 are turned downwardly, in order to allow stockings to be inserted from down upwards, and they are held upwardly, by means of respective stems 3, by a pair of chains 4, defining the said ring path.
  • the ring path extends along a longitudinal direction defined by a fixed frame 5.
  • the chains 4 wrap around a pulley 6 at one end of the frame 5, and around a corresponding pair of reels at the opposite end of the same frame 5.
  • Pulley 6 is operated by an engine member 8, for intermittently forward the molds 2.
  • Operating the engine 8 allows to move the molds 2 successively to a station 9 for loading the stockings to be treated; to a station 10 for controlling said stockings for defects; to first station 11 and to a second station 12 for discarding defective stockings; to a station 13 for fixing the non-defective stockings into a suitable steam chamber; to a drying station 14; and finally to a station 15 for extracting stockings and for driving away them.
  • the pairs of molds 2 are suitably rotatable, one with respect to each other, about a hinging pivot 16, so that one of the molds can go near the other one. Said rotation is made with known means, not shown in the drawings, downstream of the said drying station 14, to allow the subsequent extracting operation of stockings in the station 15.
  • Molds 2 are carried back to their spreaded position upstream of the loading station 9.
  • the fixing station 13 is provided with a case 17, defining the steam chamber 18.
  • the case 17 has a shape which is flattened about a longitudinal plane coinciding with the molds 2 forwarding plane.
  • the case 17 is provided, at the entrance and at the exit of the steam chamber 18, with closing doors 19, sideways hinged about pivots 20 having vertical axis.
  • the molds 2 pass through a longitudinal slit 21 made on the upper wall of the case 17 (see Fig. 3a).
  • the slit 21 is fit to be closed, around the molds 2, by a pair of bulkheads 22, which are hinged about respective shafts 23, longitudinally mounted sideways of the case 17; bulkheads 22 can swing, respectly driven by a first jack 24 and by a second jack 25, by means of respective compound levers 26,27.
  • Each one of the bulkheads 22 carries a pair of packings 28,29, extending longitudinally with respect to the said bulkheads 22 and arranged on perpendicular faces of the same, which respectively constitute a bottom face and a side face when they are in a configuration closing the slit 21 (see Fig. 3b).
  • Bottom packings 28 are fit to make a seal by contact with the said upper wall of the case 17, while the side packings 29 make a seal by respectively contacting one each other. (see Fig. 3b).
  • packings 28,29 are made of elastic material, so that they can wrap around molds 2 passing through the slit 21, thus making a seal with the said molds 2.
  • An optimum seal of packings 28,29 on molds 2 is achieved because the said molds 2 are made of glass, and because they are moistened by the steam contained into the fixing chamber 18.
  • doors 19 are integral with arms 31, hinged on the above mentioned pivots 20; on each door 19 at least two closing arms 31 are provided; they are swingly mounted on suitably spaced horizontal planes.
  • Each of the closing arms 31 is bended, by means of an appendage 32, to the stem 33 of a respective jack 34, which is hinged, in its turn, sideways of the case 17.
  • the jack 34 operates the rotation of arms 31 between the door 19 opening position, which is indicated with a dashed line 31a in Fig. 4, and a closing position.
  • clamping members 35 of the doors 19 are provided, fit to ensure a suitable closing force for pressure sealing the fixing chamber.
  • the clamping members 35 comprise a latch 36, which is driven for vertically sliding over rails 37, on a side of the case 17, and which is operated with a reciprocating motion by means of an actuating member 38, the latter being fixed to the same case 17.
  • the latch 36 is provided with two protruding, conical-ended pivots 39, placed at suitable heights and vertically coaxial. Pivots 39 are fit to engage, when in the clamping position, corresponding vertical holes 40, made on the closing arms 31; when in said position, they force the closing of the closing arms 31 by means of their conical end.
  • the chamber 18 is fit to be fed with steam by means of a known system, in order to perform the fixing of stockings carried by molds 2 inside the same chamber 18.
  • the jacks 34 open the doors 19 by operating the arms 31, which are rotated to their opening position 31a (see Fig. 4) while, at the same time, jacks 24,25 rotate the bulkheads 22 to the opening position 22a of slit 21, being said position raised from the case 17 (see Fig. 3a).
  • molds 2 proceed on a plane which is vertical and longitudinally median with respect to the case 17, in the direction which has been indicated with an arrow A.
  • the position reached by a mold at the entrance of the case 17 has been indicated with 2a.
  • Molds 2 pass through the slit 21 placed on the upper side of the case 17.
  • Opening the steam chamber 18 is made in the opposite way, at the end of the fixing phase, in order to allow the molds 2 to be moved forward.
  • the fixing chamber 18 extends straightly and longitudinally with respect to the forwarding direction of molds 2. This allows multiple pairs of molds 2 to be inserted into the fixing chamber 18, e.g. three pairs of molds 2, as shown in Figures 1 and 2.
  • Another advantage due to the straight arrangement of the fixing chamber 18 is that molds 2 are not subject, during their forwarding, to any centrifugal force, which could cause some kind of molds oscillations; thus, there is no risk for stockings to be damaged by touching the internal walls of the fixing chamber 18.
  • the fixing chamber 18 is of very small size, particularly in its width, which is only large enough to arrange the molds 2. It is to be noted that all the chamber 18 closing members and all the molds 2 moving members are placed externally with respect to the case 17.
  • a very important feature of the fixing apparatus of the present invention is that the case 17 defining the steam chamber 18 is substantially closed for the whole operating cycle.
  • the case 17 is opened only at its entrance and exit doors 19, and at the slit 21, for a short period of time, which is enough to allow the molds 2 to come in to, and to go cut from, the fixing chamber 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Socks And Pantyhose (AREA)

Claims (7)

  1. Vorrichtung zur Dampffixierung von strümpfen oder ähnlichen Produkten, dadurch gekennzeichnet, daß ein Behälter (17) verwendet ist, der in seinem Innenraum eine Dampfkammer (18) aufweist, die entlang einer sich in Längsrichtung erstreckenden Ebene eine geglättete Oberfläche aufweist, wobei die Orientierung der Ebene mit einer Orientierung einer weiterführenden Ebene für Formen (2) übereinstimmt, welche in Aufwärtsrichtung abgestützt und in Abwärtsrichtung orientiert sind, wobei der Behälter (17) im Bereich seines Einganges und seines Ausganges mit Verschlußtüren (19) ausgestattet ist und wobei der Behälter (17) zusätzlich im Bereich seiner oberen Erstreckung mit einem Längsschlitz (21) versehen ist, der dazu dient, die Formen (2) in die Dampfkammer (18) einzuführen, wobei der Schlitz (21) ebenfalls dafür ausgestattet ist, um abdichtend um die Formen herum durch Dichtmittel (22) geschlossen zu werden.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Dichtmittel (22) ein Paar von Abschottungen aufweisen, die dafür geeignet sind, um relativ zu Längsachsen herumzuschwingen, wobei die Abschottungen auf einander gegenüberliegenden Seiten des Behälters (17) angeordnet sind und von zugehörigen Betätigungsmitteln (24, 25) positionierbar sind und daß die Abschottungen mit Dichtungen (28, 29) ausgestattet sind, die sich in Längsrichtung erstrecken, um den Schlitz (21) dichtend zu verschließen.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Dichtungen (28, 29) jeweils im Bereich von senkrechten Wänden der Abschottungen angeordnet sind und untere Wände sowie Seitenwänden der Abschottungen ausbilden, wenn diese derart positioniert sind, daß der Schlitz (21) geschlossen wird, und wobei die unteren Dichtungen (28) dafür geeignet sind, abdichtend in die obere Wand des Behälters (17) einzugreifen und wobei die seitlichen Dichtungen (29) dafür geeignet sind, abdichtend ineinander einzugreifen.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Türen (19) im Bereich von Verschlußarmen (31) befestigt sind und daß die Türen (19) verschwenkbar mit dem Behälter (17) von vertikalen Drehgelenken (10) verbunden sind sowie daß die Türen (19) dazu in der Lage sind, bei einem Antrieb durch zugehörige Betätigungsmittel (34) eine Schwingbewegung durchzuführen, wobei die Betätigungsmittel (34) dazu ausgestattet sind, die bereits erwähnten Arme (31) zu verschwenken, um die Türen (19) zwischen einer Öfnungspositionierung und einer Verschlußpositionierung zu bewegen.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß Verriegelungseinrichtungen (35) zum Verriegeln der Türen (19) vorgesehen sind, wobei jede dieser Verriegelungseinrichtungen (35) mit einer Verriegelung (36) ausgestattet ist, die in vertikaler Richtung gleitfähig auf einer Seite des Behälters (17) geführt und von Mitteln einer Betätigungseinrichtung (38) geeignet gesteuert wird, die zum selben Behälter (17) gehörig ist, wobei die Verriegelung (36) mindestens ein vorstehendes vertikales Drehgelenk (39) trägt, das dafür geeignet ist, in der Verschlußpositionierung in eine zugehörige Ausnehmung (40) einzugreifen, die sich in vertikaler Richtung innerhalb eines Verschlußarmes (31) einer zugehörigen Tür (19) erstreckt.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Verriegelungen (26) ein Paar der vorstehenden Drehachsen (19) tragen, die auf einer zweckmäßigen Höhe positioniert sind und daß jede der Verriegelungen (36) mit einem konisch gestalteten Ende ausgestattet ist, wobei die Verriegelung (36) koaxial zu einer vertikalen Achse angeordnet und dafür geeignet sind, in einer Verschlußpositionierung in zugehörige Ausnehmungen (40) einzugreifen, die sich in vertikaler Richtung in zugehörigen Verschlußarmen (31) der Türen (19) erstrecken, wobei hierdurch ein Verschließen der Türen durch ein Eingreifen der konischen Enden erzwungen ist.
  7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Behälter (17) sich im wesentlichen gradlinig erstreckt, um eine gleichzeitige Anordnung einer Mehrzahl von Paaren von Formen (2) unterhalb der Kammer (18) während der Fixierungsphase zu ermöglichen.
EP95939373A 1994-12-21 1995-12-20 Vorrichtung zum fixieren von strümpfen und dergleichen mittels dampf Expired - Lifetime EP0803003B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITBO940566 1994-12-21
ITBO940566A IT1274143B (it) 1994-12-21 1994-12-21 Apparecchiatura per il fissaggio a vapore di calze e simili
PCT/IB1995/001147 WO1996019609A1 (en) 1994-12-21 1995-12-20 Apparatus for steam fixing of stockings and similar articles

Publications (2)

Publication Number Publication Date
EP0803003A1 EP0803003A1 (de) 1997-10-29
EP0803003B1 true EP0803003B1 (de) 1999-04-14

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ID=11340169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95939373A Expired - Lifetime EP0803003B1 (de) 1994-12-21 1995-12-20 Vorrichtung zum fixieren von strümpfen und dergleichen mittels dampf

Country Status (5)

Country Link
EP (1) EP0803003B1 (de)
AT (1) ATE178960T1 (de)
DE (1) DE69509133D1 (de)
IT (1) IT1274143B (de)
WO (1) WO1996019609A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20010214A1 (it) * 2001-04-11 2002-10-11 Cortese Spa Metodo e macchina per il fissaggio di articoli tessili
ITPI20010093A1 (it) * 2001-12-21 2003-06-21 Matec Spa Metodo e apparecchiatura perfezionata per stiro su forme di articoli di calzetteria

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524889A (en) * 1983-04-28 1985-06-25 Intech Corporation Hosiery processing method
JPH03124873A (ja) * 1989-10-03 1991-05-28 Takatori Haitetsuku:Kk 靴下の仕上装置

Also Published As

Publication number Publication date
ITBO940566A1 (it) 1996-06-21
EP0803003A1 (de) 1997-10-29
DE69509133D1 (de) 1999-05-20
WO1996019609A1 (en) 1996-06-27
ATE178960T1 (de) 1999-04-15
IT1274143B (it) 1997-07-15
ITBO940566A0 (it) 1994-12-21

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