WO1997045578A1 - Dispositif pour appliquer des liquides sur des fils - Google Patents

Dispositif pour appliquer des liquides sur des fils Download PDF

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Publication number
WO1997045578A1
WO1997045578A1 PCT/IT1997/000122 IT9700122W WO9745578A1 WO 1997045578 A1 WO1997045578 A1 WO 1997045578A1 IT 9700122 W IT9700122 W IT 9700122W WO 9745578 A1 WO9745578 A1 WO 9745578A1
Authority
WO
WIPO (PCT)
Prior art keywords
yarn
plates
liquid
tank
oil
Prior art date
Application number
PCT/IT1997/000122
Other languages
English (en)
Inventor
Roberto Bertolone
Original Assignee
Nuova Roj Electrotex S.R.L.
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
Priority claimed from ITMI961096 external-priority patent/IT1283081B1/it
Priority claimed from IT97MI000194 external-priority patent/IT237400Y1/it
Application filed by Nuova Roj Electrotex S.R.L. filed Critical Nuova Roj Electrotex S.R.L.
Priority to EP97925271A priority Critical patent/EP0907774B1/fr
Priority to DE69707875T priority patent/DE69707875T2/de
Publication of WO1997045578A1 publication Critical patent/WO1997045578A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/12—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material by rubbing contact, e.g. with brushes or pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H71/00—Moistening, sizing, oiling, waxing, colouring or drying filamentary material as additional measures during package formation
    • B65H71/007—Oiling, waxing by applying liquid during spooling
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/04—Auxiliary apparatus combined with or associated with looms for treating weft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention concerns a device to apply liquids for treat ⁇ ing yarns.
  • the invention relates to an oiler for yarns
  • Such a treatment has generally been carried out with a device comprising a vessel for the paraffinic liquid, and a roving or band of felt or of textile material, or like, which extracts the oil by capillarity from the vessel and spreads it by direct contact over the outwardly moving yarn. Solutions of this type are described in GB-398191 and in FR-934452. More recently, in said devices, the paraffin oils have been replaced by synthetic oils which give better results.
  • EP-B1-340746 describes a device comprising: an oil container closed by a cover; a roving or a felt band having at least a vertical length, with the lower end plunged into the oil, and a generally horizontal length positioned beneath the cover of the container; and a distributing head, positioned beneath the cover of the container and above the yarn path, consisting of a filtering membrane onto the surface of which rests the roving, and of an element apt to press the roving onto said membrane, the path of the yarn being such that it laps the membrane from underneath onto its outer surface.
  • Another device adopting a felt strip is described in the more recent EP-715014-
  • a device to apply liquids, particularly oil, on yarns - to be preferably mounted upstream of yarn feeders for looms - comprising at least one tank for the liquid and a liquid distribution unit, characterized in that said liquid distribution unit consists of two plates, partially plunged into the liquid of the tank and having substan ⁇ tially flat cooperating surfaces, drawn close and apt to define a gap, ⁇ means being provided to guide the yarn and cause it to slide in corres ⁇ pondence of the end of said gap opposite to that plunged into the liquid.
  • Said yarn guiding means preferably consist of a pair of opposite eyelets, positioned at the two ends of the yarn path inside the device.
  • said cooperating plates extend verticalwise, and their
  • facing surfaces are slightly curved - one being concave and the other one convex - and preferably chromium plated.
  • the tank for the liquid is divided into two compartments, connected through a duct, and the liquid level in the two communicating compartments can be regulated through an
  • one of the two cooperating plates is movable by means of a screw, to allow adjusting its distance from the other plate.
  • the device of the invention comprises a pressure head acting on the yarn, the position of which can be adjusted in order to vary the yarn length sliding in correspondence of the end of the gap - between the two cooperating surfaces of said plates - opposite to that plunged into the liquid.
  • the device according to the invention can moreover comprise means apt to remove the weft yarn from said cooperating plates in case of occasional loom stops.
  • Said means may consist of a dandy roll, loaded with a force which is less strong than that produced thereon by the tension of the yarn, when this latter is drawn from the yarn feeder.
  • Fig. 1 is a sectional view of a device to apply liquids on yarns, according to a first embodiment of the present invention
  • Fig. 2 is a cross section of the same device, along the line II-II of fig. 1;
  • Fig. 3 is a plan view, partly sectioned, of the device illustrated in figs. 1 and 2;
  • Fig. 4 is a detailed section view of the liquid distribution unit of the device, showing a first variant of its embodiment illustrated in figs. 1 to 3;
  • Fig. 5 is a detailed section view showing a second variant of the liquid distribution unit of the device illustrated in figs. 1 to 3;
  • Fig. 6 is a lateral section view of a second embodiment of the device according to the present invention
  • Fig. 7 is a front section view of the embodiment of the device illustrated in fig. 6.
  • the device to apply liquids on yarns will be described hereinafter in relation to its use as an oiler of textile yarns to be associated, in particular, to yarn feeders for looms.
  • said device comprises an oil tank divided into two compartments 1 and 2, reciprocally connected through a duct 3-
  • the tank compartment 1 is fed with a suitable oil - generally a synthetic oil - from a pump (not shown), through an inflow pipe 4 > and it comprises an overflow 5-
  • a suitable oil - generally a synthetic oil - from a pump (not shown)
  • the tank compartment 2 there are partially plunged two plates 6 and 7, extending verticalwise and positioned parallel and facing each other, so as to define a gap between them, said plates forming the oil distribution unit.
  • the plate 6 is substantially flat, while the plate 7 is shorter than the plate 6 and is bent at right angles at its end opposite to that plunged into the oil.
  • the two facing and cooperating plates 6 and 7 are of the same length and they each comprise a beveling at their end opposite to that plunged into the oil, external to the tank, said bevelings facing each other and being preferably concave (as shown in fig. 5) •
  • the plates 6 and 7 are suitably chromium plated (but they could also be made of other suitable material, for example a ceramic material) and their parallel and facing cooperating surfaces are mutually spaced by 0 to 1 mm, and preferably by 0 to 0.5 mm.
  • said coopera ⁇ ting surfaces of the plates 6 and 7 are slightly curved - as shown in fig. 3 - the surface of the plate 6 being convex and the surface of the plate 7 being concave.
  • the tank compartments 1 and 2 are provided with a cover 8, whose function is to prevent dust from penetrating into said compartments, so as to reduce to a minimum the forming of dirt and of oil/dust mixtures.
  • the weft yarn 9 to be oiled is caused to slide along the upper end of the gap defined by the two facing surfaces of the plates 6 and 7; thus, in the case of the variant of fig. 4 , also along the outer edge of the plate 7 bent at right angles, said yarn being guided by a pair of eyelets 10 and 11 (figs. 2 and 3) and by its own tension.
  • the plate 7 bent at right angles comprises two peripheral bulges 7A (figs. 2 and 4)•
  • the distance between the plates 6 and 7 is adjustable, so as to allow varying the width of the gap defined by said plates.
  • the plate 6 is movable in respect of the plate 7 by means of a screw 12 operated with a handle 13.
  • Fig. 1 the whole device is supported by an articulated clamp 14 and is fixed with a bracket J5 upstream of the loom yarn feeder.
  • Fig. 2 also shows the means allowing to remove the weft yarn Q from the oiling zone in case of loom stops.
  • said means consist of a dandy roll 16, pivoted on a screw 17 and loaded with a force which is slightly weaker than that produced on said roll by the tension of the weft yarn 9-
  • the oil is fed from the appropriate pump into the tank compartment 1 through the inflow pipe 4- From said compartment, the oil flows through the duct 3 into the tank compartment 2, filling also this latter. Following the principle of communicating vessels, the oil level in the tank compartments 1 and 2 will be exactly the same. On reaching the level L, the excess oil flows back, through the overflow 5 ? into the oil tank from which the pump is fed. In this way, the oil in the two tank compartments 1 and 2 always remains at a constant level. The two plates 6 and 7 are thus plunged for most of their length into the tank compartment 2.
  • the oil is caused to rise by capillarity along the gap between the parallel facing surfaces of the plates 6 and 7, up to reaching the top of said gap.
  • the oil reaches the upper edge of the plate 7 bent at right angles; whereas, in the second variant (fig. 5) , the oil reaches the point of convergency of the two top bevelings of the plates 6 and 1.
  • the yarn 9 slides along these particular zones, whereby the liquid from the tank compartment 2, in the specific case oil, is applied thereon as required. The weft yarn 9 is thus oiled in the most efficient manner.
  • the oil flow on the weft yarn 9 can also be regulated, according to requirements, by reducing or increasing the distance between the parallel facing surfaces of the plates 6 and 7 , through the adjusting screw 12. It is thus possible to easily determine at will the oiling degree for each specific weft yarn 9 > according to its characteristics, with the evident advantages deriving therefrom.
  • the use of the dandy roll 16, apt to remove the weft yarn 9 from the plates 6 and 7 in case of occasional loom stops, results to be particularly advantageous.
  • Said dandy roll is pivoted on the screw 17 in such a way that, when being lifted, it follows a circle arc, removing the yarn 9 from the oiling zone; this is particularly helpful to avoid too much soaking of the yarn.
  • the dandy roll 16 is loaded with a force which is less strong than that produced thereon by the tension of the yarn 9.
  • the device accord ⁇ ing to the invention comprises - to simplify the structure - a single tank 22 filled with liquid, for example oil, into which are partially plunged two plates 26 and 27, whose surfaces are usually chromium plated or of ceramic material, said plates being separated by a very narrow gap whose width can be adjusted by known means, for instance a suitable ad ⁇ justing screw (not shown on the drawings).
  • the tank 22 is supported by a bracket 25- hinged onto a support 25A connected to the loom body, and it is closed at the top by a fixed cover 28, which protects the oil from the external dust often accompanying the actual yarn 29 having to be oiled.
  • the yarn 29 is guided along the top of the gap between the two plates 26 and 27 by two opposite, self-threading eyelets 30 and 31- As clearly shown in fig. 7, according to this embodiment of the invention the two eyelets 30 and 31 are not aligned, but- they are positioned at considerably different heights.
  • said cover carries an inwardly facing pressure head 41, caused to contact the yarn 29 and the position of which can be adjusted by a screw 42, apt to be operated externally to said cover 40.
  • the tank 22 is filled in any known manner. It can, for example, be divided into two compartments connected through a duct, one of them being fed by a pump, and the level of the liquid (oil) in said tank is regulated by an overflow, as described for the previous embodiment of the device illustrated in figs. 1 to 5• As said, the two plates 26 and 27 are partially plunged into the tank 22.
  • the two eyelets 30 and 31 which guide the yarn 29 to slide inside the device, are in a slightly offset position, being at different heights; through said eye ⁇ lets the yarn is thus led, only to a limited extent, in contact with the zone where the oil is applied thereon.
  • the pressure head 41 to vary the length of the yarn stretch sliding along the zone of oil application, in correspondence of the end of the gap between the two plates 26 and 27- Said head 41 acts on the yarn 29, in the sense of pushing it in the direction of the arrow F. The more the head 41 is pushed forward in the direction F, the longer the stretch of yarn 29 being in contact with the zone of oil application and, consequently, the greater the amount of oil being applied on said yarn.
  • the device of the present invention allows to apply oil - or any other type of treating liquid - on a yarn, in a full and continuous manner, thereby overcoming the drawbacks of the known prior art devices.
  • the use of chromium plated surfaces or of ceramic surfaces to spread the oil (or other liquid) highly reduces, if not fully eliminates, the problems of wear connected to the use of fabrics and of felts.
  • chromium plated surfaces - as opposed to solid paraffin and to fabrics and felts - are far less subject to soiling and can anyhow be perfectly cleaned again, thus preventing the weft yarn from getting soiled and the forming of oil/dust mixtures, which could create friction and break the yarn.
  • the possibility to adjust the distance between the plates 6 and 7 thanks to the screw 12 and handle 13 - in the embodiment of figs. 1 to 5 - and (with still further advantages) the possibility to proportion the length of the yarn stretch contacting the oil application zone - in the embodiment of figs. 6 and 7 - allow the device of the present invention to be particularly versatile, in that it can be practically adapted to all types of yarns.
  • the device according to the present invention is moreover extremely simple and economic, and requires far less maintenance than the devices of prior art.
  • the invention is not limited to the special embodiments described heretofore, which merely form non-limiting examples of its scope, but that many variants can be introduced, all within reach of a person skilled in the art, without thereby departing from the scope of the present invention.
  • the screw 12 in the embodiment of figs. 1 to 5
  • the screw 42 in the embodiment of figs. 6 and 7
  • to proportion the amount of oil being applied on the yarn could be automa ⁇ tically operated, for instance in relation to yarn speed and/or to the braking effect meant to be produced on the yarn in the loom yarn feeder.
  • the position of at least one of the eyelets 10, 11, or 30 , 31, could be adjustable, so as to deviate the path of the yarn 9 , or 29, in respect of the plates 6, 7, and 26, 27, and conse ⁇ quently vary the amount of oil being applied on said yarn.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Looms (AREA)

Abstract

L'invention concerne un dispositif pour appliquer des liquides, notamment de l'huile, sur des fils (9; 29), se montant de préférence en amont de prédélivreurs pour métiers à tisser. Ce dispositif comporte au moins un réservoir (1, 2; 22) pour le liquide et une unité de distribution de liquide constituée de deux plaques (6, 7; 26, 27), partiellement plongées dans le liquide du réservoir (2; 22) et présentant des surfaces coopérantes sensiblement plates, rapprochées et aptes à définir un intervalle. Des moyens (10, 11; 30, 31) sont en outre prévus pour guider le fil (9; 29) et le faire coulisser dans l'alignement de l'extrémité de l'intervalle entre les deux plaques, opposée à celle plongée dans le liquide.
PCT/IT1997/000122 1996-05-30 1997-05-28 Dispositif pour appliquer des liquides sur des fils WO1997045578A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP97925271A EP0907774B1 (fr) 1996-05-30 1997-05-28 Dispositif pour appliquer des liquides sur des fils
DE69707875T DE69707875T2 (de) 1996-05-30 1997-05-28 Vorrichtung zum aufbringen von flüssigkeitenauf fäden.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITMI961096 IT1283081B1 (it) 1996-05-30 1996-05-30 Dispositivo per l'applicazione di liquidi a fili tessili
ITMI96A001096 1996-05-30
ITMI97U000194 1997-03-18
IT97MI000194 IT237400Y1 (it) 1997-03-18 1997-03-18 Dispositivo per l'applicazione di liquidi a fili tessili

Publications (1)

Publication Number Publication Date
WO1997045578A1 true WO1997045578A1 (fr) 1997-12-04

Family

ID=26331396

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT1997/000122 WO1997045578A1 (fr) 1996-05-30 1997-05-28 Dispositif pour appliquer des liquides sur des fils

Country Status (3)

Country Link
EP (1) EP0907774B1 (fr)
DE (1) DE69707875T2 (fr)
WO (1) WO1997045578A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985925A2 (fr) * 1998-08-18 2000-03-15 Fibrevision Limited Appareil de mesure
ITMO20130085A1 (it) * 2013-04-02 2014-10-03 Maurizio Trentanove Dispositivo per la lubrificazione di filati per la tessitura

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398191A (en) * 1932-03-07 1933-09-07 British Celanese Improvements in the treatment of filamentary textile materials
FR934452A (fr) * 1944-07-08 1948-05-24 Carlos Luria Procédé et appareil pour apprêter, encoller ou assouplir des fils textiles
EP0340746A1 (fr) * 1988-05-05 1989-11-08 ROJ ELECTROTEX S.p.A. Dispositif pour appliquer de l'huile de paraffine sur des fils textiles, en particulier des fils de trame dans les métiers à tisser sans navette
EP0715014A2 (fr) * 1994-12-02 1996-06-05 L.G.L. ELECTRONICS S.p.A. Dispositif de lubrification de la trame pour métiers à tisser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398191A (en) * 1932-03-07 1933-09-07 British Celanese Improvements in the treatment of filamentary textile materials
FR934452A (fr) * 1944-07-08 1948-05-24 Carlos Luria Procédé et appareil pour apprêter, encoller ou assouplir des fils textiles
EP0340746A1 (fr) * 1988-05-05 1989-11-08 ROJ ELECTROTEX S.p.A. Dispositif pour appliquer de l'huile de paraffine sur des fils textiles, en particulier des fils de trame dans les métiers à tisser sans navette
EP0715014A2 (fr) * 1994-12-02 1996-06-05 L.G.L. ELECTRONICS S.p.A. Dispositif de lubrification de la trame pour métiers à tisser

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985925A2 (fr) * 1998-08-18 2000-03-15 Fibrevision Limited Appareil de mesure
EP0985925A3 (fr) * 1998-08-18 2000-12-13 The Merlin Partnership Appareil de mesure
US6595047B2 (en) 1998-08-18 2003-07-22 Merlin Partnership Measuring instrument
ITMO20130085A1 (it) * 2013-04-02 2014-10-03 Maurizio Trentanove Dispositivo per la lubrificazione di filati per la tessitura

Also Published As

Publication number Publication date
EP0907774B1 (fr) 2001-10-31
DE69707875D1 (de) 2001-12-06
DE69707875T2 (de) 2002-04-11
EP0907774A1 (fr) 1999-04-14

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