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WO2002066389A1 - Appareil d'application d'un revetement sur des recipients en verre - Google Patents

Appareil d'application d'un revetement sur des recipients en verre Download PDF

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Publication number
WO2002066389A1
WO2002066389A1 PCT/NL2001/000916 NL0100916W WO02066389A1 WO 2002066389 A1 WO2002066389 A1 WO 2002066389A1 NL 0100916 W NL0100916 W NL 0100916W WO 02066389 A1 WO02066389 A1 WO 02066389A1
Authority
WO
WIPO (PCT)
Prior art keywords
coating
glass containers
slots
tunnel
applying
Prior art date
Application number
PCT/NL2001/000916
Other languages
English (en)
Other versions
WO2002066389A8 (fr
Inventor
Leendert Cornelis Hoekman
Paul Best
Guenther Eisen
Heinz Joachim Giersberg
Original Assignee
Atofina Vlissingen B.V.
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 Atofina Vlissingen B.V. filed Critical Atofina Vlissingen B.V.
Publication of WO2002066389A1 publication Critical patent/WO2002066389A1/fr
Publication of WO2002066389A8 publication Critical patent/WO2002066389A8/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/001—General methods for coating; Devices therefor
    • C03C17/003—General methods for coating; Devices therefor for hollow ware, e.g. containers
    • C03C17/005—Coating the outside

Definitions

  • the present invention relates to an apparatus for applying a coating to glass containers, comprising a conveyor for passing the glass containers in the horizontal direction, first coating means in the form of a coating tunnel with a conveyor for passing the glass containers through the coating tunnel and with side walls in which slots are provided for supplying and exhausting a coating material containing gas-air mixture, and in which, in a selective hot-end coating process, a first coating can be applied to glass containers at high temperature, and second coating means in which, in a cold-end coating process, a second coating can be applied at a lower temperature.
  • glass containers such as packaging glass, in particular bottles and jars
  • various treatments such as e.g. visual inspection, filling and labeling, from showing signs of wear in mutual contact through frequent scratching and rubbing, as a result of which the glass containers run a greater risk of breaking
  • a first coating is applied at a thickness of e.g.
  • the first coating often consists of tin oxide which, when supplying a mixture of air and a tin compound present therein in vapor form, forms on the glass by decomposition at high temperature, e.g. in the order of 600 °C. Because the application of a coating occurs next to the manufacture of the glass containers, this high temperature is essentially the temperature the containers already have before they are passed into the coating " tunnel. Instead of tin oxide, a titanium oxide coating is, in practice, occasionally applied to the glass containers.
  • US-A 4,668,268 and US-A 5,584,903 and is known as finish protection.
  • This first coating use is made of a coating tunnel in the side walls of which slots are provided for supplying and exhausting the coating material containing gas-air mixture, for brevity's sake occasionally referred to as coating gas.
  • the height of the slots is adjustable, so that all kinds of forms and sizes of glass containers can be treated in this coating tunnel.
  • the slots are vertically arranged, so that the bodies of the bottles are provided with a coating all over, while the mouths of the bottles are kept free from coating.
  • the slots the side walls of the coating tunnel are horizontally provided in a longitudinal direction.
  • the coating is applied m strips and preferably in strips at the lower sides of the bottles and in places where the bodies of the bottles merge into the necks. Exactly in these places the bottles are mostly thickest and will touch each other during conveyance over the conveyor. Through this measure, a substantial saving on coating material is obtained.
  • this manner of coating is not only applicable to bottles, but also to other types of glass packages and even to vases, tumblers, and the like.
  • the glass containers are cooled in a controlled manner in a so-called cooling furnace to e.g. in the order of 120 to 140 °C, after which the second, cold-end coating is applied.
  • the second coating means are arranged to apply an overall coating
  • that third coating means are present to apply, also in the cold-end coating process, a third, selective coating at a lower temperature.
  • This overall coating will substantially be applied to offer some immediate protection of the containers against mutual damage in the further production line, that is to say until the third coating has been applied, which serves to provide the actual protection of the containers.
  • the third coating like the first coating, will be applied selectively.
  • the second coating is to be regarded as an intermediate coating. In the absence thereof, the third coating is actually to be regarded as the second coating.
  • the adhesion of labels is strongly affected by the selection of the coating material and the degree in which this material is applied to the glass containers.
  • the second and/or the third coating means are designed according to the invention such that a relevant coating can be applied therewith in direct contact or nearly in contact with the glass containers. This measure can also be taken in those cases in which the hot- end coating process does not take place via slots horizontally provided in the side wall of the coating tunnel, but in a manner as e.g. described in the above US patents.
  • the invention therefore also relates to an apparatus for applying a coating to glass containers comprising a conveyor for passing glass containers, first coating means in the form of a coating tunnel, in which, in a hot-end coating process, a first coating can be applied to the glass containers at high temperature, and at least second coating means, in which, in a cold-end coating process, a second coating can be applied at a lower temperature.
  • This apparatus is characterized in that the second coating means are designed such that the second coating can be applied therewith in direct contact or nearly in contact with the glass containers.
  • these second coating means can be used in combination with a coating tunnel in which the slots are horizontally arranged in the side walls thereof. In this connection, it is to be noted that in both above-described situations the height of these slots can be adjustable.
  • the application of the second coating can now take place selectively, in particular in the place where the first coating has also been applied. Because in the latter case it is mostly not necessary to make allowance for the adhesion of labels, the selection of coating material for this second coating is substantially increased.
  • the second and, optionally, the third coating can be applied to the glass containers in direct contact with the glass containers, in which case reference will further he made to contact coating or coating nearly in contact with the glass containers.
  • the third coating means will be provided with coating liquid adsorbing means, such as sponges, brushes, and the like, while in the second case the second and/or, optionally, the third coating means will be provided with coating liquid nozzles, which are arranged at a very short distance from the glass containers, that is to say at a distance of a few mm.
  • the conveyor comprises a first section for passing the glass containers in a single row through the coating tunnel and a second section for passing the glass containers in parallel rows through the second coating means.
  • rotating means are provided to realize a rotation of the further coating means relative to the glass containers. It is possible to rotate the glass containers and successively pass them along the coating liquid absorbing means or the coating liquid nozzles.
  • these second coating means are movable along and around the step wise moving parallel glass containers of a simultaneously presented row of glass containers, while, since the further coating means must always be lifted, so that a row of glass containers can be moved under them without coating liquid still entering the glass containers, the further coating means operate intermittently.
  • the conveyance in parallel rows of glass containers can be converted again into a single serial container conveyance.
  • third coating means are also present, then a third, selective coating can be applied by means thereof during the last-mentioned serial container conveyance. Without third coating means, it is also possible to provide the second coating means in the serial conveyor path.
  • Fig. 1 is a diagrammatically shown arrangement of the coating process with bottles
  • Fig. 2 is a horizontal cross-section through the hot-end coating tunnel in this arrangement
  • Fig. 3 is a vertical cross-section transverse to the conveying direction for a coating tunnel according to the state of the art
  • Fig. 4 is a side view of a row of bottles coming out of the coating tunnel, provided with a coating according to the state of the art
  • Fig. 5 is a vertical cross-section transverse to the conveying direction for a coating tunnel according to the invention.
  • Fig. 6 is a side view of a row of bottles coming out of the coating tunnel, provided with a coating according to the invention.
  • the arrangement shown in Fig. 1 comprises a bottle production machine 1, which delivers the manufactured bottles to a conveying unit 2.
  • the bottles are supplied in series to a hot-end coating tunnel 3 and, subsequently, in parallel to a cooling furnace 5 by means of a converting unit 4.
  • the bottles are then supplied per row to a cold-end coating unit 6 and, subsequently, taken over in serial form and passed further, e.g. to an inspection location.
  • the bottles are provided with a tin oxide coating layer at a temperature of about 600 °C.
  • the bottles are successively exposed on both sides to a mixture of air and a tin compound present in vapor form; as shown in Fig.
  • the coating vapor mixture is supplied via vertical slots. By adjusting the height of the slots, it can he ensured that only the bodies of the bottles are provided with a coating layer. If necessary, by means of a horizontally or vertically directed air stream, a coating layer can be prevented from still being formed on the neck of the bottle.
  • the coating tunnel shown in Fig. 1 is provided with horizontal slots, via which the coating vapor mixture is successively supplied and exhausted on both sides.
  • the coating tunnel is provided with two horizontal slots, via which the coating vapor mixture is supplied, which slots are adjusted such that only coating is applied to the lower side of the bottles and to the body of the bottles where thoy merge into the neck.
  • the distance between the horizontal ' slots and the bottles to be passed along is kept small.
  • the bottles After the first coating, which functions as support for the final coating, has been applied, the bottles are passed in a parallel arrangement through a cooling furnace 5. The bottles are cooled therein in a controlled manner to about 130 °C. Then the bottles are passed in parallel arrangement to the cold-end coating unit 6, in which a final coating is applied.
  • This coating adheres to the first coating and, only with great difficulty, to the glass, so that, even if the bottles are sprayed with the second coating all over, this coating substantially adheres to the strips provided with the first coating.
  • the second coating is applied by means of a nozzle provided in the coating unit 6, which nozzle is moved between the individual TOWS of bottles.
  • a substantial saving on coating can be obtained.
  • a coating thickness of 40 CTU is usual. If the whole bottle is provided with a coating, then the amount of coating material thereon is 20,000 cm 2 . CTU. If a coating 40 CTU in thickness is applied over a surface area of 150 cm' 2 , while it is assumed that a coating having an average thickness of 15 CTU still lands on the rest of the surface, then the amount of coating material is 11,250 cm 2 CTU, which therefore means that a saving of about 44 % of coating material is obtained. By increasing the accuracy of selectively coating, a further saving can be obtained.
  • a coating unit 7 see Fig. 1
  • the final coating preferably also selective, can then be applied.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)

Abstract

Cette invention se rapporte à un appareil qui sert à appliquer un revêtement sur des récipients en verre et qui comprend à cet effet un premier moyen de revêtement, ayant la forme d'un tunnel de revêtement pourvu d'un transporteur destiné à faire passer les récipients en verre à travers le tunnel de revêtement ainsi que de parois latérales dans lesquelles sont prévues des fentes destinées à acheminer et à évacuer un matériau de revêtement contenant un mélange gaz/air. Ce premier moyen de revêtement permet, lors d'un processus de revêtement à extrémité chaude sélectif, d'appliquer un premier revêtement sur les récipients en verre à une température élevée. Ledit appareil comprend également un second moyen de revêtement qui permet, lors d'un processus de revêtement à extrémité froide, d'appliquer un second revêtement à une température inférieure. Pour permettre l'application d'un premier revêtement sélectif souhaité, lesdites fentes sont disposées horizontalement.
PCT/NL2001/000916 2000-12-20 2001-12-17 Appareil d'application d'un revetement sur des recipients en verre WO2002066389A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1016930A NL1016930C2 (nl) 2000-12-20 2000-12-20 Inrichting voor het aanbrengen van een coating op glascontainers.
NL1016930 2000-12-20

Publications (2)

Publication Number Publication Date
WO2002066389A1 true WO2002066389A1 (fr) 2002-08-29
WO2002066389A8 WO2002066389A8 (fr) 2003-11-27

Family

ID=19772613

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2001/000916 WO2002066389A1 (fr) 2000-12-20 2001-12-17 Appareil d'application d'un revetement sur des recipients en verre

Country Status (2)

Country Link
NL (1) NL1016930C2 (fr)
WO (1) WO2002066389A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004000748A1 (fr) * 2002-06-19 2003-12-31 Atofina Vlissingen B.V. Contenant en verre muni d'un revetement
EP2662148A1 (fr) 2012-05-09 2013-11-13 Arkema Vlissingen B.V. Procédé amélioré pour appliquer un revêtement à extrémité froide intégrée dans un procédé de fabrication de récipients en verre
TWI766859B (zh) 2016-04-18 2022-06-11 荷蘭商艾克瑪有限責任公司 用於容器之塗佈裝置、塗佈裝置的用途、在玻璃容器之表面上施加塗佈物之方法及玻璃容器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266332A (ja) * 1985-05-20 1986-11-26 Yamamura Glass Kk 硝子容器への自動コ−テイング装置
DE3801111A1 (de) * 1988-01-16 1989-07-27 Asendorf Abwasser Anlagen Gmbh Verfahren zum haerten und konditionieren von glasoberflaechen
WO1991019606A1 (fr) * 1990-06-13 1991-12-26 Advanced Glass Treatment Systems Procede servant a accroitre la resistance de recipients en verre et recipients en verre a resistance accrue
US5584903A (en) * 1991-06-20 1996-12-17 Elf Atochem North America, Inc. Permeable attenuating distributor for a glass container coating apparatus and a method for coating containers
EP0905096A2 (fr) * 1997-09-24 1999-03-31 Kirin Beer Kabushiki Kaisha Procédé et appareil de fabrication de bouteilles et appareil pour revêtir des bouteilles
EP0949216A1 (fr) * 1998-03-24 1999-10-13 Plm Ab Procédé et appareil pour l'essai de résistance et pour l'application d'un revêtement sur des récipients en verre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4668268A (en) 1984-12-20 1987-05-26 M&T Chemicals Inc. Coating hood with air flow guide for minimizing deposition of coating compound on finish of containers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61266332A (ja) * 1985-05-20 1986-11-26 Yamamura Glass Kk 硝子容器への自動コ−テイング装置
DE3801111A1 (de) * 1988-01-16 1989-07-27 Asendorf Abwasser Anlagen Gmbh Verfahren zum haerten und konditionieren von glasoberflaechen
WO1991019606A1 (fr) * 1990-06-13 1991-12-26 Advanced Glass Treatment Systems Procede servant a accroitre la resistance de recipients en verre et recipients en verre a resistance accrue
US5584903A (en) * 1991-06-20 1996-12-17 Elf Atochem North America, Inc. Permeable attenuating distributor for a glass container coating apparatus and a method for coating containers
EP0905096A2 (fr) * 1997-09-24 1999-03-31 Kirin Beer Kabushiki Kaisha Procédé et appareil de fabrication de bouteilles et appareil pour revêtir des bouteilles
EP0949216A1 (fr) * 1998-03-24 1999-10-13 Plm Ab Procédé et appareil pour l'essai de résistance et pour l'application d'un revêtement sur des récipients en verre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 132 (C - 417) 24 April 1987 (1987-04-24) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004000748A1 (fr) * 2002-06-19 2003-12-31 Atofina Vlissingen B.V. Contenant en verre muni d'un revetement
EP2662148A1 (fr) 2012-05-09 2013-11-13 Arkema Vlissingen B.V. Procédé amélioré pour appliquer un revêtement à extrémité froide intégrée dans un procédé de fabrication de récipients en verre
WO2013167558A1 (fr) 2012-05-09 2013-11-14 Arkema Vlissingen B.V. Procédé amélioré pour appliquer un revêtement final à froid, intégré dans un processus de fabrication de récipients en verre
US10351470B2 (en) 2012-05-09 2019-07-16 Arkema France Method for applying a cold end coating integrated in glass container manufacturing process
TWI766859B (zh) 2016-04-18 2022-06-11 荷蘭商艾克瑪有限責任公司 用於容器之塗佈裝置、塗佈裝置的用途、在玻璃容器之表面上施加塗佈物之方法及玻璃容器

Also Published As

Publication number Publication date
NL1016930C2 (nl) 2002-06-21
WO2002066389A8 (fr) 2003-11-27

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