EP1302580A2 - Vorrichtung zum Unterstützen eines Breithalters und die dazugehörende Abdeckung in einer Webmaschine für Frottiergewebe - Google Patents

Vorrichtung zum Unterstützen eines Breithalters und die dazugehörende Abdeckung in einer Webmaschine für Frottiergewebe Download PDF

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Publication number
EP1302580A2
EP1302580A2 EP02102428A EP02102428A EP1302580A2 EP 1302580 A2 EP1302580 A2 EP 1302580A2 EP 02102428 A EP02102428 A EP 02102428A EP 02102428 A EP02102428 A EP 02102428A EP 1302580 A2 EP1302580 A2 EP 1302580A2
Authority
EP
European Patent Office
Prior art keywords
temple
support
cover
fabric
loom
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
EP02102428A
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English (en)
French (fr)
Other versions
EP1302580A3 (de
EP1302580B1 (de
Inventor
Massimo Arrigoni
Maurizio Belingheri
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.)
Promatech SpA
Original Assignee
Promatech SpA
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Filing date
Publication date
Application filed by Promatech SpA filed Critical Promatech SpA
Publication of EP1302580A2 publication Critical patent/EP1302580A2/de
Publication of EP1302580A3 publication Critical patent/EP1302580A3/de
Application granted granted Critical
Publication of EP1302580B1 publication Critical patent/EP1302580B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D39/00Pile-fabric looms
    • D03D39/22Terry looms
    • D03D39/223Cloth control
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03JAUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00Auxiliary apparatus combined with or associated with looms
    • D03J1/22Temples

Definitions

  • the present invention relates to a device for supporting the temple and associated cover, in a loom with movable bench for the weaving of terry cloth.
  • the bench of the loom is movable alternately in the forward direction of the fabric and in the opposite direction, so as to allow the formation of terry cloth loops by the warp yarns.
  • temple In terry cloth looms, is the function of the so-called "temples"; these consist of a pair of devices which are located on the sides of the fabric being woven and each of which is formed by a cylinder rotating idle on a cylindrical shaft perpendicular to the moving direction of the fabric and provided externally with a plurality of idle rotating rings having needles which allow gripping of the fabric; said idle rotating rings are mounted on said cylinder with an inclined axis of rotation so as to cause widening of the fabric during their rotation.
  • the cylindrical shaft of the temple is mounted on a support fixed in turn to the loom in the manner described below and a cover for the temple is fixed on the same support.
  • Said cover surrounds the temple by an amount sufficient to cause the fabric, which just passes between the temple and the cover, to adhere to the body of the temple through a predetermined winding angle depending on the degree of gripping required.
  • the function of the temples is in fact precisely that of keeping outstretched the newly formed fabric in the vicinity of the zone where the weft is inserted.
  • the temples support In terry cloth looms with a movable bench, the temples support must be moved integrally with the bench so as to assist the consequent movement of the fabric with which the temples are constantly engaged. In looms of the known type, this is achieved by mounting the abovementioned temple support on a slide sliding in a direction parallel to the warp yarns, said slide being actuated by a connecting rod connected to the movable bench.
  • Fig. 1 illustrates in schematic form a loom of the type mentioned above, in which it is possible to see the various component parts of the loom in the zone of the movable bench, as described previously.
  • the temple 1 and the associated cover 2 which are both fixed to a common support 3.
  • the support 3 is rigidly connected to a slide 4 sliding longitudinally with respect to the body G of the loom, parallel to the warp yarns, said slide 4 being connected by a connecting rod 5 to the movable bench 6 pivotably mounted on the body G of the loom.
  • a generic selvedge device 7 in fact consists of an actuating unit 7a, which is fixed to the body G of the loom, and an external unit 7b which comprises the needle, the cutting blade and the gripper which are intended, respectively, to take up the weft yarn, cut it to size and reinsert it inside the fabric.
  • the external unit 7b must be installed precisely in the same position which is normally occupied by the temple 1 and therefore would interfere mechanically therewith, as indicated schematically in Figures 1 and 2 where this unit is shown in broken lines, since the temple support 3 necessarily also extends above the fabric T.
  • the object of the present invention is therefore that of providing a novel support device for the temple and associated cover which is devoid of the drawbacks mentioned above and which therefore allows the installation, on the loom, of a selvedge device without causing mechanical interference between these two devices and without the temple having to be moved into a position further downstream, in the forward direction of the fabric, this position being less suitable for proper execution of its function.
  • a further object of the present invention is also that of ensuring that a correct winding of the fabric onto the temples is maintained during movements of the bench.
  • a device for supporting the temple and associated cover in a terry cloth loom with movable bench equipped with a selvedge device, of the type in which the support for said temple is mounted on a slide movable longitudinally in a direction parallel to the warp yarns and connected mechanically to the movable bench by means of a connecting rod, characterized in that the cover of said temple is supported, independently of the temple support, by means of a pair of articulated rods, the first of said rods being connected to a part of the loom arranged above the cover and the second of said rods being connected to a second support integral with said slide and arranged downstream of the temple with respect to the forward direction of the fabric.
  • Fig. 1 is a schematic side-elevation view of the device for supporting the temple in a terry cloth loom, of the type used in the prior art;
  • Fig. 2 is a front, partial, schematic view of the device according to Fig. 1 which shows the relative position of the temple support and the selvedge device;
  • Fig. 3 is a schematic side elevation view of the device for supporting a temple in a terry cloth loom, according to the present invention, with the bench in the normal position (1);
  • Fig. 4 is a view - similar to that of Figure 3 - showing the loom with the bench pivoted into the displaced position (2).
  • Figs. 1 and 2 illustrate a known arrangement of the device for supporting the temple and associated cover, in a terry cloth loom. It has also already been described how, in a loom of this type, it is not possible to install a selvedge device, for performing an inset selvedge using the cut weft ends, without having to move the temple into a less advantageous position.
  • Fig. 2 just illustrates in schematic form the mechanical interference which would occur between the selvedge device 7, and in particular the external unit 7b thereof, and the support 3 for the temple 1 and associated cover 2.
  • this problem may be solved by designing in a mutually independent manner the support for the temple 1 and the one for the associated cover 2. It should be pointed out in fact that the selvedge device 7, and more precisely its external unit 7b, is mounted on the loom in a zone completely above the fabric T being formed.
  • the problem identified in the looms of the prior art, as discussed above, therefore effectively arises only in respect of the part of the support 3 which supports the cover 2 and which therefore extends above the fabric T and not in respect of the part of the support 3 which supports the temple 1.
  • Fig. 3 shows the device provided in accordance with the present invention
  • the support for the temple 1 extends completely underneath the fabric T and the said temple 1 and therefore is no longer able to interfere at all with the external selvedge unit 7b (not shown for the sake of clarity of the drawing, in Figs. 3 and 4) which, as already mentioned, is instead arranged entirely above the fabric itself.
  • the cover 2 of the temple 1 is instead kept in its correct position, in accordance with an essential feature of the present invention, by means of a pair of articulated rods and in particular a first rod 8 extending approximately vertically and a second rod 9 extending approximately horizontally.
  • the rod 8 is pivotably mounted at one of its ends on the top part of the cover 2, while at the other end it is pivotably mounted on a support 10 fixed to the driving unit 7a of the selvedge device 7; the rod 8 therefore determines the height of the cover 2 with respect to the temple 1.
  • the rod 9 on the other hand is rigidly fixed at one of its ends to a side zone of the cover 2, while at the other end it is connected, by means of an elastic joint 11, to a pin 12 projecting from a support 13 in turn integral with the said slide 4 to which the support 3 for the temple 1 is fixed.
  • the elastic joint 11 is such as to allow the rod 9, at least within the limits of the relatively small movements thereof, two degrees of freedom, i.e. rotation about the joint 11 and sliding along the axis of the pin 12.
  • the support 13 of the pin 12 comprises a main portion integral with the slide 4, arranged entirely underneath the fabric, and a substantially separate portion 13a - to which the pin 12 is fixed - arranged entirely above the fabric.
  • the portion 13a is joined to the main portion of the support 13 by means of a thin wall arranged laterally with respect to the fabric and in the immediate vicinity thereof.
  • the longitudinal position of the support 13 is set decidedly further back with respect to the position of the temple 1, such that it is possible to install also a selvedge device 7 on the loom, without the problems of interference of the movable parts 7b of the selvedge device with the temple or the cover 2 or their supports and without the need for moving the temple 1 from its most advantageous position.
  • the bench passes from the angular position A1 shown in Fig. 3 into the position A2 shown in Fig. 4 and therefore the rod 8 undergoes a small rotation about the point where it is pivoted on the support 10. Since this oscillating movement nevertheless has a very limited amplitude, it does not cause significant variations in the height of the cover 2 with respect to the temple 1 and positioning of the parts is designed so that in the position of maximum angular rotation of the rod 8, with respect to its bottom dead centre - and therefore of maximum height of the cover 2 with respect to the temple 1 - the angle of winding of the fabric T onto the temple 1 is nevertheless sufficiently large.
  • the particular connection, i.e. comprising two degrees of freedom, of the cover 2 to the support 13, by means of the rod 9, allows the cover 2 to perform relatively small oscillations about the point where it is pivotably hinged with the rod 8, in response to the global forces transmitted to its end edges by the fabric T.
  • This therefore allows these forces to be automatically balanced, producing a continuous automatic repositioning of the cover 2 with a substantially constant orientation relative to the fabric T, as can be clearly seen in the drawings (Figs. 3 and 4) from the fact that the angle between the axis of the cover 2 and a vertical reference line practically does not vary in the two limit positions of movement of the bench (B1/B2).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Looms (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
EP02102428A 2001-10-12 2002-10-10 Vorrichtung zum Unterstützen eines Breithalters und die dazugehörende Abdeckung in einer Webmaschine für Frottiergewebe Expired - Lifetime EP1302580B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001MI002120A ITMI20012120A1 (it) 2001-10-12 2001-10-12 Dispositivo di supporto del tempiale e realtivo coperchio in un telaio spugna a banchina mobile
ITMI20012120 2001-10-12

Publications (3)

Publication Number Publication Date
EP1302580A2 true EP1302580A2 (de) 2003-04-16
EP1302580A3 EP1302580A3 (de) 2003-11-05
EP1302580B1 EP1302580B1 (de) 2007-05-30

Family

ID=11448500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02102428A Expired - Lifetime EP1302580B1 (de) 2001-10-12 2002-10-10 Vorrichtung zum Unterstützen eines Breithalters und die dazugehörende Abdeckung in einer Webmaschine für Frottiergewebe

Country Status (5)

Country Link
EP (1) EP1302580B1 (de)
AT (1) ATE363560T1 (de)
DE (1) DE60220356T2 (de)
ES (1) ES2287221T3 (de)
IT (1) ITMI20012120A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025784A3 (de) * 2007-07-30 2010-12-08 Tsudakoma Kogyo Kabushiki Kaisha Trägermechanismus für einen Breithalter
CN104073963A (zh) * 2014-06-30 2014-10-01 山东日发纺织机械有限公司 毛巾织机边撑装置
CN104294468A (zh) * 2014-10-11 2015-01-21 浙江麦地郎领带织造有限公司 剑杆大提花织机的全幅宽布撑装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109680392B (zh) * 2019-01-18 2024-03-22 山东日发纺织机械有限公司 边撑连接构件

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3426807A (en) * 1966-05-27 1969-02-11 Sulzer Ag Loom
US4485848A (en) * 1982-01-13 1984-12-04 Sulzer Brothers, Ltd. Terry weaving machine having a deflecting mechanism for warp yarns

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3426807A (en) * 1966-05-27 1969-02-11 Sulzer Ag Loom
US4485848A (en) * 1982-01-13 1984-12-04 Sulzer Brothers, Ltd. Terry weaving machine having a deflecting mechanism for warp yarns

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2025784A3 (de) * 2007-07-30 2010-12-08 Tsudakoma Kogyo Kabushiki Kaisha Trägermechanismus für einen Breithalter
CN104073963A (zh) * 2014-06-30 2014-10-01 山东日发纺织机械有限公司 毛巾织机边撑装置
CN104073963B (zh) * 2014-06-30 2015-08-26 山东日发纺织机械有限公司 毛巾织机边撑装置
CN104294468A (zh) * 2014-10-11 2015-01-21 浙江麦地郎领带织造有限公司 剑杆大提花织机的全幅宽布撑装置
CN104294468B (zh) * 2014-10-11 2016-03-23 浙江麦地郎领带织造有限公司 剑杆大提花织机的全幅宽布撑装置

Also Published As

Publication number Publication date
ES2287221T3 (es) 2007-12-16
EP1302580A3 (de) 2003-11-05
EP1302580B1 (de) 2007-05-30
ITMI20012120A1 (it) 2003-04-12
DE60220356T2 (de) 2008-01-31
ATE363560T1 (de) 2007-06-15
DE60220356D1 (de) 2007-07-12

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