EP3208349A1 - Maschine zum färben von produkten aus leder und kunstleder - Google Patents

Maschine zum färben von produkten aus leder und kunstleder Download PDF

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Publication number
EP3208349A1
EP3208349A1 EP17156853.8A EP17156853A EP3208349A1 EP 3208349 A1 EP3208349 A1 EP 3208349A1 EP 17156853 A EP17156853 A EP 17156853A EP 3208349 A1 EP3208349 A1 EP 3208349A1
Authority
EP
European Patent Office
Prior art keywords
colour
colouring
tray
machine according
head
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
EP17156853.8A
Other languages
English (en)
French (fr)
Other versions
EP3208349B1 (de
Inventor
Emilio Galli
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.)
GALLI SpA
Original Assignee
GALLI SpA
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Filing date
Publication date
Application filed by GALLI SpA filed Critical GALLI SpA
Publication of EP3208349A1 publication Critical patent/EP3208349A1/de
Application granted granted Critical
Publication of EP3208349B1 publication Critical patent/EP3208349B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B11/00—Finishing the edges of leather pieces, e.g. by folding, by burning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/44—Mechanical treatment of leather surfaces
    • C14B1/56—Ornamenting, producing designs, embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
    • B05C1/027—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles only at particular parts of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0808—Details thereof, e.g. surface characteristics

Definitions

  • the present invention relates to a machine for colouring miscellaneous articles of leather and leatherette.
  • the present invention finds application in the field of colouring of the side edge of various articles, for example small leather items such as details for bags, saddlery or edges of shoe soles, shoe uppers, for colouring briefcases, purses and wallets, watch straps and irregularly shaped objects made of leather or leatherette, and having indentations or elbows to be coloured.
  • small leather items such as details for bags, saddlery or edges of shoe soles, shoe uppers, for colouring briefcases, purses and wallets, watch straps and irregularly shaped objects made of leather or leatherette, and having indentations or elbows to be coloured.
  • the machines for colouring similar articles can be in line systems, comprising consecutive processing stations, or single machines with which the operator must interact directly.
  • This kind of machinery is particularly suitable to colour both products with regular and rectilinear forms and products having particular, irregular shapes, sharp concave and/or convex bends or very small details.
  • the colouring unit comprises a colouring roller having a cylindrical shape, rotatable about a preferably vertical axis.
  • the colouring roller properly fed with liquid colour, spreads a uniform layer of dye on the article which the operator approaches.
  • the colour is poured directly inside the tray and a colour transport device, such as a screw conveyor, a suction pump system connected to a diffuser nozzle or a pad (as already known in patent WO 99/57327 ), draws the colour directly from the tray to pour it on the colouring roller.
  • a colour transport device such as a screw conveyor, a suction pump system connected to a diffuser nozzle or a pad (as already known in patent WO 99/57327 )
  • the colour is distributed on the surface of the colouring roller, falling by gravity from above or sprayed through a nozzle directly to the whole surface of the roller.
  • a scraper or doctor blade evenly distributes the colour on the entire surface of the colouring roller to avoid excessive colour deposits in discrete points of the product.
  • the object of the present invention is to provide a machine for colouring miscellaneous articles of leather and leatherette which overcomes the drawbacks of the described prior art.
  • a further object of the present invention is to propose a machine for colouring miscellaneous articles of leather and leatherette which avoids long and repeated downtime.
  • a further object of the present invention is to present a machine for colouring miscellaneous articles of leather and leatherette which speeds up the cleaning steps following colouring and allows a quick and efficient colour change.
  • an object of the present invention is to provide a machine for colouring miscellaneous articles of leather and leatherette which has a low environmental impact.
  • the numeral 1 globally indicates a machine for colouring miscellaneous articles of leather and leatherette.
  • the machine 1 for colouring miscellaneous articles of leather and leatherette comprises a colouring unit 2 and a supporting frame 3 for the colouring unit 2.
  • the supporting frame 3 also acts as a housing for a driving system 4, for example an engine adapted to actuate the colouring unit 2.
  • the colouring unit 2 comprises a colouring head 5, adapted to apply by contact a liquid layer of colour directly on the article to be treated.
  • the unit 2 comprises a tray 6 for collecting colour within which the colour used for the colouring of the product is contained.
  • the tray 6 serves both to contain the colour that is to be transferred on the colouring head 5, and to collect the colour that falls from the colouring head 5 during the colouring of the article to be treated.
  • the colour is transferred from the tray 6 to the colouring head 5 through a device 7 for transporting and dosing the colour, which will be described later.
  • the colouring head 5 is a roller, rotatable about an axis of rotation 5a that coincides with its own axis of symmetry.
  • the rotation axis is placed vertically.
  • the roller 5 has a conical or frusto-conical shape.
  • the tip 51 or, in case of frusto-conical shape the smaller base 52 of the roller is turned downwards. Consequently, in both cases, the larger base 53 is facing upward.
  • An alternative form, not shown, provides the larger base 53 facing downwards and the tip 51 or, in case of frusto-conical shape, the smaller base 52 of the roller is facing upwards.
  • the roller 5 may have an outer side surface 5b having different geometries.
  • the outer side surface 5b is obtained by rotating a right-angled triangle about one of the cathetuses. Depending on whether the hypotenuse is rectilinear or has a concave or convex shape, it is possible to have different geometries of the outer side surface 5b, while always maintaining the conical or frusto-conical geometry.
  • the outer side surface 5b of the roller 5 can be at least partially planar, so as to have a side profile which is at least partially rectilinear.
  • the outer side surface 5b of the roller 5 can be at least partially curved, in particular arched, in such a way as to have a side profile which is at least partially concave or at least partially convex.
  • Mixed solutions are also possible, i.e. involving an outer side surface 5b having a rectilinear, a concave and a convex portion at the same time, or any possible combination of the three, then partially rectilinear and partially concave, or partially rectilinear and partially convex or partially concave and partially convex.
  • the smaller base can have a diameter between 0.1 mm and 20 mm, preferably between 0.1 mm and 15 mm.
  • the particular geometry of the colouring roller 5 allows it to adapt more easily to the different dimensions and geometries of the product to be coloured. Specifically, the variation of the radius in the conical or frusto-conical surface can better adapt to the curved shapes of the object to be coloured.
  • the conical or frusto-conical shape with the tip 51 or the smaller base 52 preferably facing downwards improves the visibility of the working area L, in that the source of light that comes from above does not create shadow zones.
  • the lighting is represented by an illumination source 16 placed vertically on the working area L with a diffusion that completely surrounds the colouring roller 5.
  • a plurality of LEDs are preferably used. The layout and the type of lighting enhance the ergonomic aspect for the operator.
  • the tip 51 or the smaller base 52 of the colouring roller 5 are completely contained within the tray 6 for colour collection, particularly inside the basin 8.
  • the tray 6 for colour collection is movable relative to the colouring head 5, in such a way as to be easily moved away from the latter in order to allow emptying.
  • the tray 6 can be vertically translatable or rotatable, in both cases towards or away with respect to the colouring roller 5.
  • the tray 6 for colour collection has a side 6a hinged along a horizontal axis 3a parallel to a front wall 31 of the frame 3, to which the colouring unit 2 is connected.
  • the side 6a around which the tray 6 is pivoted is the rear side of the tray and is adjacent to the front wall 31 of the frame 3.
  • the tray 6 is movable rotatably with respect to such horizontal axis 3a between a working position ( Figures 1 and 5 ) in correspondence of which it is arranged horizontally and contains the colouring roller 5, and an emptying position ( Figures 2 and 6 ) in correspondence of which it is rotated about the horizontal axis 3 of hinging and is inclined downwards, away from the colouring roller 5.
  • the arrow F in Figure 6 illustrates the direction of rotation.
  • the tray 6 may present in the front, in the opposite position to the hinging side 6a, 6b, a spout in such a way as to create a guide to facilitate the discharge of the residual colour when the tray is in the emptying position.
  • the colouring unit 2 comprises a basin 8, preferably disposable, insertable within the tray 6.
  • the basin 8 is supported inside the tray 6 without particular constraints, in such a way as to be easily removed at the end of work.
  • the basin 8 has substantially the same internal shape of the tray 6 with which it is coupled.
  • the colour is physically collected inside the basin 8, and not directly in contact with the tray 6. This constitutes a significant improvement in terms of cleanliness and greater speed to carry out the washing operations at the end of the job, or to change the type of colour.
  • the tray 6 is not affected by the colour and remains clean, so as to avoid having to disassemble completely and to wash.
  • the basin 8 with the residual colour can be easily removed from the tray 6 and washed, if required, or thrown away.
  • the tray 6 remains constantly fastened to the unit 2, even if the possibility to completely disassemble the colouring unit 2, including the tray 6, remains anyway.
  • the liquid colour is taken from the basin 8 to the colouring head or roller 5 by the mentioned device 7 for transporting and dosing.
  • Such a device 7 for transporting and dosing the colour comprises a colour feed channel 9 inside which the liquid colour flows.
  • the feed channel 9 is placed behind the roller 5, in the opposite position to the working area L at which there is contact between the roller 5 and the article to be coloured.
  • the feed channel 9 comprises a first end 9a and a second end 9b, opposite to the first and positioned at the top, then close to the larger base 53 of the colouring roller 5.
  • the feed channel 9 is disposed almost horizontally, with a slight downward inclination, so that the liquid colour coming from the first end 9a, placed higher, flows by gravity towards the second end 9b, placed lower.
  • the device 7 for transporting and dosing the colour also comprises a scraper or doctor blade 10.
  • the doctor blade 10 is positioned below the feed channel 9 and is coupled to the colouring roller 5 so as to follow its side profile.
  • the doctor blade 10 serves to dose the liquid colour on the surface of the roller 5: cooperating with the rotation of the roller 5, the doctor blade 10 distributes the colour uniformly over the entire outer side surface 5b of the colouring roller 5 and avoids localized excesses of colour.
  • doctor blade 10 and the feed channel 9 are contained in the same component placed in line behind the roller 5, in the opposite position to the working area L inside which contact between the roller and the article made of leather or leatherette to be coloured occurs.
  • the device 7 for transporting and dosing the colour also comprises a transport element 11 adapted to remove the colour from the basin 8 to convey it to the colour feed channel 9.
  • the transport element 11 is a wheel, rotatable about a horizontal axis 11 a, that draws the colour from the basin 8 and brings it at the top of the colour feed channel 9, pouring it in correspondence of the first end 9a of the feed channel 9.
  • the transport element 11 is also placed behind the roller 5, and in particular behind the feed channel 9, so as not to hinder any operational step.
  • the whole device 7 for transporting and dosing has a very compact appearance that groups together in line the feed channel 9 and the doctor blade 10 in a single component. Moreover the compactness of the transport and dosing device 7 is also given by the position of the transport element 11, symmetrical with respect to the longitudinal axis of the feed channel 9 and placed behind the latter.
  • the device 7 for transporting and dosing occupies an optimal position within the colouring unit 2 relative to the working area L, placed in front of the roller, since it is placed exactly on the opposite side with respect to the axis 5a of the roller 5, in the rear part of the roller.
  • the doctor blade 10, the feed channel 9 and the transport element 11 are in a position opposite to the contact zone between the roller 5 and the product to be coloured, so as not to hinder the movement of the product around the roller 5.
  • the colours used are water-based, thus very sensitive to the ambient temperature and to the degree of humidity.
  • a protective screen 13 applicable to the sides of the colouring roller 5 is provided, to leave uncovered only the working area L, immediately above the tray 6, so as to form a natural upward extension.
  • the colour inside the basin 8 is protected from dust or any other foreign body, in addition to being less subject to evaporation phenomena.
  • the protection provided by the protective screen 13 prevents the formation of a thickened colour film on the surface of the same colour within the same basin 8.
  • this film is very detrimental to the quality of the treatment because it changes the percentage of concentration of colour compared to water and, if crushed, can generate lumps in the colour, with consequent problems of quality and appearance of colour application on the product.
  • the protective screen 13 is removable to be able to freely enter the colouring unit 2. It can be made of plastic material, preferably transparent, to be able to constantly monitor the inside of the colouring unit 2.
  • the protective screen 13 protects the colour avoiding unnecessary waste and limiting its evaporation so as to significantly reduce the downtime for the recovery of the liquid during processing.
  • the detail to be coloured is moved by the operator's hands and placed in front of the machine.
  • the height of the colouring unit 2 compared to the operator is therefore an important factor for the ergonomics of the machine.
  • the colouring unit is at a fixed and invariable height.
  • the colouring machine 1 object of the present invention is able to solve this drawback, by providing a colouring unit 2 that can be adjusted in height.
  • the colouring unit 2 is slidably constrained to the supporting frame 3, to be able to be moved vertically at will, until the optimal height is reached for the operator who at that time must interact with the machine 1.
  • the frame 3 has, on its front wall 31, a linear sled 14 mounted in vertical position.
  • the colouring unit 2 can slide on this sled 14, so as to regulate the height position of the unit 2 with respect to the front wall 31 of the frame 3 ( Figures 5 and 6 ).
  • Locking systems are provided, which allow to fix the colouring unit at the established height.
  • the colouring unit 2 is connected to the power supply engine 4 through a plurality of components 15, such as return cylinders, tensioning rollers and a drive belt, which ensure the constant contact with the same driving engine 4, at the same time allowing the vertical translation along the sled 14.
  • a plurality of components 15 such as return cylinders, tensioning rollers and a drive belt, which ensure the constant contact with the same driving engine 4, at the same time allowing the vertical translation along the sled 14.
  • the colouring unit 2 is completely dismantled for routine maintenance and a quick wash.
  • the invention allows to achieve the intended purposes in addition to ensuring enormous advantages.
  • the basin insertable inside the tray for colour collection, allows to keep the tray clean, so as to avoid necessarily having to disassemble and clean also the tray at each colour change. It is sufficient to remove the basin 8 and replace it with a new and clean one.
  • the basin can be thrown away or washed and used again.
  • the residual colour in the basin can be left to dry and then disposed of, with or without the tray, as a solid waste.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Coloring (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP17156853.8A 2016-02-22 2017-02-20 Maschine zum färben von produkten aus leder und kunstleder Active EP3208349B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2016A000941A ITUB20160941A1 (it) 2016-02-22 2016-02-22 Macchina per la colorazione di articoli vari in pelle e in similpelle

Publications (2)

Publication Number Publication Date
EP3208349A1 true EP3208349A1 (de) 2017-08-23
EP3208349B1 EP3208349B1 (de) 2019-04-03

Family

ID=55969410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17156853.8A Active EP3208349B1 (de) 2016-02-22 2017-02-20 Maschine zum färben von produkten aus leder und kunstleder

Country Status (5)

Country Link
EP (1) EP3208349B1 (de)
ES (1) ES2726916T3 (de)
IT (1) ITUB20160941A1 (de)
PT (1) PT3208349T (de)
TR (1) TR201905948T4 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800005415A1 (it) * 2018-05-16 2019-11-16 Macchina per la calibratura e la colorazione di fori di prodotti in pelle o similpelle
WO2021163770A1 (en) * 2020-02-18 2021-08-26 Pl Project Ltd. Horizontal dyeing head for edges of leather pieces and finished leather articles
WO2021163771A1 (en) * 2020-02-18 2021-08-26 Pl Project Ltd. Rotary dyeing head for edges of leather pieces and finished leather articles

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1366441A (en) * 1918-09-25 1921-01-25 Hamel Shoe Machinery Co Shoe-coating machine
US1398407A (en) * 1919-03-17 1921-11-29 Louis J Van Guelpen Inking-machine
US1774502A (en) * 1927-12-08 1930-09-02 United Shoe Machinery Corp Blacking machine
US2144721A (en) * 1937-05-04 1939-01-24 United Shoe Machinery Corp Apparatus for operating on shoe blanks
US2181852A (en) * 1937-12-09 1939-11-28 Sichere Rene Marc Process and apparatus for ornamenting leather and fabrics
US2200417A (en) * 1937-12-14 1940-05-14 United Shoe Machinery Corp Sole edge inking machine
FR1543801A (fr) * 1967-11-09 1968-10-25 Dispositif pour la teinture du bord extérieur des semelles, dans la fabrication des chaussures
DE29518563U1 (de) * 1995-11-23 1996-01-18 Prüf- und Forschungsinstitut für die Schuhherstellung, 66955 Pirmasens Vorrichtung zum Färben der Schnittkanten von flächenhaften Zuschnitten
WO1999057327A1 (en) * 1998-05-06 1999-11-11 Galli S.P.A. Continuous automatic installation for processing and colouring the edges and tip of belts or other strips of leather, synthetic material and the like

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1366441A (en) * 1918-09-25 1921-01-25 Hamel Shoe Machinery Co Shoe-coating machine
US1398407A (en) * 1919-03-17 1921-11-29 Louis J Van Guelpen Inking-machine
US1774502A (en) * 1927-12-08 1930-09-02 United Shoe Machinery Corp Blacking machine
US2144721A (en) * 1937-05-04 1939-01-24 United Shoe Machinery Corp Apparatus for operating on shoe blanks
US2181852A (en) * 1937-12-09 1939-11-28 Sichere Rene Marc Process and apparatus for ornamenting leather and fabrics
US2200417A (en) * 1937-12-14 1940-05-14 United Shoe Machinery Corp Sole edge inking machine
FR1543801A (fr) * 1967-11-09 1968-10-25 Dispositif pour la teinture du bord extérieur des semelles, dans la fabrication des chaussures
DE29518563U1 (de) * 1995-11-23 1996-01-18 Prüf- und Forschungsinstitut für die Schuhherstellung, 66955 Pirmasens Vorrichtung zum Färben der Schnittkanten von flächenhaften Zuschnitten
WO1999057327A1 (en) * 1998-05-06 1999-11-11 Galli S.P.A. Continuous automatic installation for processing and colouring the edges and tip of belts or other strips of leather, synthetic material and the like

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800005415A1 (it) * 2018-05-16 2019-11-16 Macchina per la calibratura e la colorazione di fori di prodotti in pelle o similpelle
WO2019220279A1 (en) * 2018-05-16 2019-11-21 Galli S.P.A. Machine for the sizing and colouring of holes in leather or leatherette products
WO2021163770A1 (en) * 2020-02-18 2021-08-26 Pl Project Ltd. Horizontal dyeing head for edges of leather pieces and finished leather articles
WO2021163771A1 (en) * 2020-02-18 2021-08-26 Pl Project Ltd. Rotary dyeing head for edges of leather pieces and finished leather articles

Also Published As

Publication number Publication date
PT3208349T (pt) 2019-05-30
TR201905948T4 (tr) 2019-05-21
ITUB20160941A1 (it) 2017-08-22
EP3208349B1 (de) 2019-04-03
ES2726916T3 (es) 2019-10-10

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