EP0296999B1 - Installation de finissage automatique de matériaux souples, et notamment de cuirs ou peaux, entiers ou prédécoupés - Google Patents

Installation de finissage automatique de matériaux souples, et notamment de cuirs ou peaux, entiers ou prédécoupés Download PDF

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Publication number
EP0296999B1
EP0296999B1 EP88420208A EP88420208A EP0296999B1 EP 0296999 B1 EP0296999 B1 EP 0296999B1 EP 88420208 A EP88420208 A EP 88420208A EP 88420208 A EP88420208 A EP 88420208A EP 0296999 B1 EP0296999 B1 EP 0296999B1
Authority
EP
European Patent Office
Prior art keywords
finishing
machine
modules
installation
module
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
EP88420208A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0296999A1 (fr
Inventor
Gérard Gavend
Bernard Vitteau
Bernard Vulliermet
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.)
Centre Technique Cuir Chaussure Maroquinerie
Original Assignee
Centre Technique Cuir Chaussure Maroquinerie
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 Centre Technique Cuir Chaussure Maroquinerie filed Critical Centre Technique Cuir Chaussure Maroquinerie
Priority to AT88420208T priority Critical patent/ATE64417T1/de
Publication of EP0296999A1 publication Critical patent/EP0296999A1/fr
Application granted granted Critical
Publication of EP0296999B1 publication Critical patent/EP0296999B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/12—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to leather
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C11/00—Surface finishing of leather
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating

Definitions

  • the subject of the present invention is an installation for automatic finishing of flexible materials and of leathers or skins, whole or precut.
  • the products thus obtained can be used in the footwear, leather goods, automobile, clothing, saddlery, and other fields using leathers and flexible materials such as fabrics, nonwovens, papers, synderms. coated or not.
  • a leather finishing product consisting of a photopolymerizable compound under UV, consisting of 40 to 90% by weight of a prepolymer of acrylates or methacrylates and styrene, and by 10 to 60% by weight of urethanes-acrylates.
  • This photopolymerizable compound may not contain any solvent.
  • the subject of the present invention is a continuous finishing installation with a photopolymerizable product, making it possible to apply the latter in at least two times, without manipulation or intermediate storage.
  • An installation according to the present invention is characterized in that it comprises at least two modules arranged parallel to each other, each comprising a continuous printing machine, an oven with ultraviolet radiation, and a machine of satin finishing and graining, these different machines being arranged so as to carry out a continuous transport of the parts from one machine to another, and in that a conveyor in the shape of a semicircle connects the satin finishing machine or graining of the first module to the printing machine of the second module.
  • An installation according to the invention provides the following essential advantages.
  • Figure 1 is a diagram of the installation according to a first embodiment. The two modules are shown before being arranged parallel to each other.
  • Figure 2 is a diagram of the installation according to a second embodiment.
  • Figure 3 is a diagram of the principle of direct operation of the printing machine.
  • Figure 4 is a diagram of the reverse operating principle of the printing machine.
  • the finishing installation according to the invention comprises a succession of machines arranged in modules, in this case two modules, 1 and 2, one after the other.
  • the modules, in exercise, will be arranged parallel to each other and will be connected by a conveyor in the shape of a semicircle which connects the satin-finishing or graining machine of the first module to the printing machine of the second module.
  • Each of the modules 1 and 2 comprises a printing machine 11, 21, making it possible to apply the finishing product, an ultraviolet radiation oven 12, 22 making it possible to polymerize the finishing product and a satin-finishing or graining machine 13 , 23 intended to obtain the desired surface finish.
  • the number of modules is a function of the number of layers of finishing product to be applied and can be increased or decreased compared to that indicated in the present example.
  • each printing machine 11, 21 is a so-called thousand point type machine.
  • the upper cylinder 14 is an engraved cylinder comprising a multitude of cells 14a intended to receive the finishing product 16.
  • a doctor blade 17 extending parallel to the axis of the cylinder 14 in the upper part of the latter makes it possible to apply to the surface of the latter the desired quantity of finishing product 16.
  • a conveyor belt 19 passes between the two cylinders 14 and 15 and brings between them the piece of leather or skin 18 to be coated with the finishing layer.
  • the two cylinders 14, 15 can rotate in opposite directions to one another as indicated by the arrows 14b and 15b, as shown in FIG. 3, the upper cylinder 14 rotating in the opposite direction to the direction of movement 19b of the belt carrier 19.
  • the quantity of finishing product 16 deposited on the pieces of leather or skin 18 is related to the size of the cells 14a of the cylinder 14 as well as to the speed of rotation of the cylinder 14.
  • the deposit of finishing product 16 will therefore be all the more important as the cylinder 14 will rotate faster.
  • the two cylinders 14, 15 can also rotate in the same direction as indicated by the arrows 20 (see fig. 4), this direction being the same as the direction of movement 19b of the conveyor belt 19.
  • the quantity of finishing product deposited is simply proportional to the size of the cells 14a.
  • cylinders 14, 15 allow the application of a uniform layer 16a of finishing product on the pieces of leather or skin 18.
  • Finishing product 16 is a liquid comprising from 90 to 100% of active materials photopolymerizable under ultraviolet radiation.
  • This product includes unsaturated prepolymers, and liquid monomers to which photo-initiators are added.
  • the prepolymers are constituted by di-or tri-functional acrylate urethanes comprising acrylic unsaturations and being in the form of liquids of low molar mass. They may also include polyesters acrylates.
  • the photo-initiators are preferably aromatic ketones which can be combined with tertiary amines as co-initiators.
  • tertiary amines Preferably a mixture of diethylethioxantone / dimethylaminobenzoate is used.
  • formulations can also contain from 0 to 5% of organic solvents, intended to regulate the viscosity of finishing product 16 and to facilitate the application thereof.
  • the photo-initiators used consist of a mixture of Diethylethioxantone / Dimethyl-aminobenzoate (DETX / DMBI) (11) dissolved in an amount of 4 to 8% by weight in the liquid monomers of N-Vinylpyrolidone.
  • the viscosity of the finishing product is adjusted between 0.2 and 5 pascals / seconds by means of the N-Vinylpyrolidone / Isobornyl-acrylate mixture.
  • the percentage of pigments compared to the colorless formulation is variable and depends on the desired coverage and the nature of the pigment which can be more or less absorbent of UV radiation This therefore also influences the percentage of photo-initiators integrated into the formulation.
  • the photoinitiators cause the crosslinking of the monomers and of the pre-polymers so as to give final polymers.
  • the monomers in this case play the role of diluents of the pre-polymers but because of their reactivity, they are integrated into the film of polymers occurring and there is therefore no evaporation of product apart from that of 0 to 5% of organic solvents possibly contained in the finishing product.
  • the ultra-violet radiation ovens 12, 22 are conventional type ovens.
  • each include a conveyor 25 made of stainless material passing through this furnace right through.
  • a satin-finishing or graining machine 13 the purpose of which is either to increase the gloss of the finishing layer (this is the satin-finishing operation), or to print on this finishing layer a determined relief (graining operation).
  • Each of these machines is made up of two cylinders, the upper one called work 26 and the lower entry 27, and horizontal axes 26a and 27a respectively.
  • the working cylinder 26 is heated between 60 and 160 ° C and presses on the parts 18 with an adjustable pressure.
  • the working cylinder 26 has a smooth surface in the case where it is desired to carry out a satin-finishing operation and has a grained surface to carry out a graining operation.
  • the satin-finishing or graining machine is designed so as to allow an easy change of the cylinder 26. As shown in FIG. 1, the cylinders 26 and 27 rotate in opposite directions (arrows 26b and 27b), the working cylinder rotating in the same direction as the conveyor belt 28 (arrow 28b).
  • the finishing installation according to the invention makes it possible to obtain, by means of a single passage in the various modules 1 and 2 thereof, the desired finishing layer and without the need to subsequent drying.
  • the deposit per pass is approximately 10 to 15 g / m2 and the speed of passage is between 5 to 10 meters / minute.
  • finishing layer applied although generally colored, may also be colorless.
  • finishing coats applied depends of course on the desired finishing appearance.
  • the viscosity of the pigmented formulation is between 0.2 and 5 pascals-seconds.
  • FIG. 2 shows another embodiment of the invention in which the two modules 101, 102 are already arranged parallel to one another.
  • each module 101, 102 consists respectively of a printing machine 111, 121, an oven 115 and a satin-finishing or graining machine 113, 123
  • the oven 115 extends at the same time on the two modules 101 and 102, the other machines 111, 113, 121, 123 being identical to the machines 11, 13, 21 and 23 described above.
  • This arrangement makes it possible to have only one oven 115 for two successive modules and is therefore particularly advantageous.
  • the satin-finishing or graining machine 113 of the first module 101 is connected to the printing machine 121 of the second module 102 by a conveyor 130 in the form of a semicircle capable of have the parts leaving the first module and entering the second module turn around.
  • the different conveyor belts 19, 25 and 28 different machines of each module are designed so as to carry out a continuous transport of each piece of leather or skin 18 to be treated from the entry of the installation to the exit of the latter.
  • a regulation or coupling system between these different belts can be provided so as to convey the pieces at the same speed.
  • the finishing installation comprises a conventional impregnation dyeing station not shown in the drawing and arranged and continuous before the continuous printing machine (11, 111) located at the head of the 'installation.
  • This arrangement makes it possible to complete the installation and to produce finished flexible materials which moreover have a stable and quality coloring.
  • finishing product per pass is of the order of 20 to 25 g / m2.
  • the installation according to the invention is particularly suitable for the treatment of flexible materials and in particular of skins already cut since it does not involve any manipulation thereof. It can, of course, also be applied to whole parts.
  • the installation according to the invention is therefore particularly suitable for the treatment of flexible materials and in particular leather pieces within the shoe manufacturing or similar company and it therefore allows rapid adaptation to variable market trends.
  • a suction or vacuum system can be provided at each conveyor belt to hold the parts.
  • a doctor blade type system can be provided at the level of the printing and satin-brushing rollers in order to prevent the adhesion to the treated parts.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Coloring (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Coating Apparatus (AREA)
EP88420208A 1987-06-23 1988-06-21 Installation de finissage automatique de matériaux souples, et notamment de cuirs ou peaux, entiers ou prédécoupés Expired - Lifetime EP0296999B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88420208T ATE64417T1 (de) 1987-06-23 1988-06-21 Vorrichtung zum automatischen zurichten von dehnbaren materialien.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8709163 1987-06-23
FR8709163A FR2617064B1 (fr) 1987-06-23 1987-06-23 Procede et installation de finissage automatique de materiaux souples, et notamment de cuirs ou peaux, entiers ou predecoupes

Publications (2)

Publication Number Publication Date
EP0296999A1 EP0296999A1 (fr) 1988-12-28
EP0296999B1 true EP0296999B1 (fr) 1991-06-12

Family

ID=9352640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88420208A Expired - Lifetime EP0296999B1 (fr) 1987-06-23 1988-06-21 Installation de finissage automatique de matériaux souples, et notamment de cuirs ou peaux, entiers ou prédécoupés

Country Status (15)

Country Link
US (2) US4932978A (ja)
EP (1) EP0296999B1 (ja)
JP (1) JPS6470164A (ja)
KR (1) KR950014926B1 (ja)
AR (1) AR245631A1 (ja)
AT (1) ATE64417T1 (ja)
AU (1) AU608620B2 (ja)
BR (1) BR8803063A (ja)
CA (1) CA1313162C (ja)
DE (1) DE3863237D1 (ja)
ES (1) ES2022690B3 (ja)
FR (1) FR2617064B1 (ja)
GR (1) GR3002134T3 (ja)
MX (1) MX172239B (ja)
PT (1) PT87712B (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2141646C (en) * 1994-02-04 2001-11-06 Nobuyuki Kuwabara Leather coloring process, leather coloring apparatus, and colored leather produced by such process
IT1278907B1 (it) * 1995-04-27 1997-11-28 Gidue Srl Metodo per la mobilitazione di pelli ed impianto atto a realizzare tale metodo di nobilitazione
WO1997000736A1 (en) * 1995-06-22 1997-01-09 Henkel Corporation Method of reinforcing footwear upper materials
US6436484B1 (en) 1997-12-09 2002-08-20 Coats American, Inc. Processes for coating sewing thread
EP1272343B1 (en) 1999-12-20 2006-07-05 New Venture Holdings, L.L.C. Method for priming smc parts
ITVI20050081A1 (it) * 2005-03-23 2006-09-24 Cos T A Srl Metodo per la rifinizione di una pelle o un elemento laminare e relativo impianto
KR100817486B1 (ko) * 2007-05-28 2008-03-27 유지문 피혁자동도장장치의 컨베이어시스템
ITVI20090251A1 (it) 2009-10-16 2011-04-17 Feltre Srl Impianto di essiccazione perfezionato
ITVI20120338A1 (it) * 2012-12-19 2014-06-20 Cartigliano Off Spa Metodo ed apparato per l'essicatura di pelli durante il processo di rifinizione
CN108672194A (zh) * 2018-04-12 2018-10-19 曾漳安 一种皮具生产用皮包上油装置
CN109926261B (zh) * 2019-03-01 2020-06-16 广州市维格皮具有限公司 一种贵重皮包顺纹理移动的上油装置
IT202000010873A1 (it) * 2020-05-13 2021-11-13 Todesco S R L Metodo, impianto e stazione per la lavorazione di pelli animali
IT202100010805A1 (it) * 2021-04-29 2022-10-29 Dms International Soc A Responsabilita Limitata Semplificata Macchina per la decorazione di superfici laminari flessibili uitilizzate per il rivestimento di oggetti

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278322A (en) * 1962-11-30 1966-10-11 Congoleum Nairn Inc Process for producing a decorative surface covering
US3525633A (en) * 1966-12-15 1970-08-25 Emmerich T Igler Method of producing decorative sheet material
US3790336A (en) * 1972-11-24 1974-02-05 Motor Wheel Corp Method and apparatus for sintering annular compacts
US3949123A (en) * 1972-12-08 1976-04-06 Uniroyal Inc. Coated fabric having suede-like surface
CA1034902A (en) * 1973-12-13 1978-07-18 Unisearch Limited Curable pre-polymer compositions
JPS50136315A (ja) * 1974-04-17 1975-10-29
FR2374419A1 (fr) * 1976-12-14 1978-07-13 Commissariat Energie Atomique Procede de vernissage d'un cuir
DE2836307C2 (de) * 1977-09-05 1983-12-29 Kuraray Co., Ltd., Kurashiki, Okayama Verfahren zur Herstellung eines lederähnlichen Folienmaterials mit hochwertigem Griff
AU528378B2 (en) * 1978-09-13 1983-04-28 Rock, J.D. And Garnett, J.L. Radiation cured coating for leather
US4353949A (en) * 1981-04-08 1982-10-12 The Celotex Corporation Embossable coating and method of producing embossed coated substrate
JPS5890636A (ja) * 1981-11-24 1983-05-30 Fuji Photo Film Co Ltd 光重合性組成物を用いた感光材料による画像形成方法および現像ユニツト
US4668540A (en) * 1982-01-29 1987-05-26 The Goodyear Tire & Rubber Company Belting and method of making same
US4698642A (en) * 1982-09-28 1987-10-06 Burlington Industries, Inc. Non-artifically perturbed (NAP) liquid jet printing
ATE58605T1 (de) * 1986-07-11 1990-12-15 Siemens Ag Thermo-transfer-druckeinrichtung.

Also Published As

Publication number Publication date
FR2617064B1 (fr) 1991-06-14
MX172239B (es) 1993-11-09
KR890000165A (ko) 1989-03-13
DE3863237D1 (de) 1991-07-18
CA1313162C (fr) 1993-01-26
ES2022690B3 (es) 1991-12-01
BR8803063A (pt) 1989-01-10
US5048455A (en) 1991-09-17
AU1826388A (en) 1989-01-05
FR2617064A1 (fr) 1988-12-30
PT87712A (pt) 1989-05-31
ATE64417T1 (de) 1991-06-15
PT87712B (pt) 1993-09-30
JPS6470164A (en) 1989-03-15
KR950014926B1 (ko) 1995-12-18
GR3002134T3 (en) 1992-12-30
EP0296999A1 (fr) 1988-12-28
AR245631A1 (es) 1994-02-28
AU608620B2 (en) 1991-04-11
US4932978A (en) 1990-06-12

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