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WO2003053720A2 - Application d'une matiere decorative sur des surfaces metalliques - Google Patents

Application d'une matiere decorative sur des surfaces metalliques Download PDF

Info

Publication number
WO2003053720A2
WO2003053720A2 PCT/ZA2002/000220 ZA0200220W WO03053720A2 WO 2003053720 A2 WO2003053720 A2 WO 2003053720A2 ZA 0200220 W ZA0200220 W ZA 0200220W WO 03053720 A2 WO03053720 A2 WO 03053720A2
Authority
WO
WIPO (PCT)
Prior art keywords
layer
decorative
bonding
bonding layer
metal
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.)
Ceased
Application number
PCT/ZA2002/000220
Other languages
English (en)
Other versions
WO2003053720A3 (fr
Inventor
Louis Granville Broeders
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU2002360871A priority Critical patent/AU2002360871A1/en
Publication of WO2003053720A2 publication Critical patent/WO2003053720A2/fr
Publication of WO2003053720A3 publication Critical patent/WO2003053720A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive

Definitions

  • This invention relates to the application of a decorative finish to metal surfaces in order to enhance the aesthetic appearance thereof.
  • decorative material is that commonly known as foil, generally termed a hot stamp foil, in which case the decorated zones may have a metallic and shiny appearance, a brightly coloured appearance, a woodgrain appearance, and may be either gloss or matt in finish.
  • foils are produced in a wide range of different colours and are generally so thin as not to be self-supporting thus requiring the support of the carrier film prior to application thereof.
  • an object of this invention to provide for the application of such transferred decorative material to metal surfaces in order to enhance the appearance of same.
  • a method of applying decorative material to the surface of an article wherein the decorative material is carried by a carrier film the method being characterized in that the surface to which the decorative material is to be applied is a metal surface that has applied thereto a suitable bonding layer to which the decorative material is applied and bonded.
  • the decorative material to initially be in the form of a decorative layer that is transferred from a release layer in turn carried by the carrier film in which case the carrier film may optionally be removed after bonding of the decorative layer to the bonding layer has taken place; for the bonding layer to be a suitably flexible layer permitting of subsequent bending of the metal surface; for the bonding layer to be a suitable plastics material that bonds to metal and that receives the decorative layer as a permanent attachment thereto, the plastics material preferably being a single component polyester based paint or the like; for the bonding layer to be applied to the metal surface by means of a roller paint applicator; for the layer of bonding material to be dried, cured or otherwise set to a predetermined extent prior to application of the decorative layer thereto; and for the decorative layer to be applied to the exposed surface of the bonding material utilizing heat and pressure.
  • the article to be an elongate metal strip or pre-cut sheet that is preferably passed firstly through a solvent
  • IP1500 2002-12-20 bath to clean the surface of the metal preparatory to the application of the bonding layer thereto; for the metal strip or sheet to be a tin plated mild steel, aluminium, or ordinary mild steel; for the composite decorative film and metal strip or sheet to be passed between a pair of heated rollers in order to bond the decorative material to the surface of the bonding layer; and for the decorative material to be a hot stamp foil.
  • Figure 1 is a schematic illustration of the process of applying a decorative layer to a strip of tin plated mild steel.
  • Figure 2 illustrates schematically the various layers of material that combine to form the finished article having a decorated surface.
  • a decorative foil is applied to the operatively outer surface of a metal strip that is to be subsequently bent longitudinally to form a bead for the purpose of rimming calendars.
  • the actual product produced can vary widely and could, for example, the slats of slatted blinds such as Venetian blinds, book edges, filling strips and any other generally sheet-like metal objects.
  • the foil is a hot stamp foil, generally indicated by numeral (1) in Figure 2, and is a composite multilayer material comprising a carrier film (2), typically made of polyester material; a releasing wax layer (3); and a decorative layer (4) that in this case is a metallic foil of a chosen colour, say gold.
  • the metal strip (5) that is a tin plate of the type commonly used for the aforesaid purpose, is fed from a coil or roll (6) thereof by way of guide rollers (7) through a solvent bath (8) to remove all grease from the metal.
  • the tin plate could be in the form of pre-cut sheets as may be convenient.
  • the metal strip is passed through a rule paint to cater (9) in order to apply a layer of bonding material (10) to what is to be the operatively external surface of the metal strip.
  • the bonding material was a single component polyester based paint that was purchased from Becker Paints in South Africa. Any other suitable paint exhibiting appropriate adhesive characteristics as well as flexibility in instances in which bending of the metal strip is to take place could also be used. It is, however, envisaged that the bonding layer would in any event be a suitable plastics material.
  • the metal strip is then passed through a drying unit (11) to dry the bonding layer to a predetermined extent preparatory to the foil being applied to it.
  • the drying unit applies heat indirectly to the bonding layer in order to avoid any solvents from the bonding layer possibly igniting and preferably has an extractor fan.
  • a so-called "camelback" type of tunnel oven has been found to be ideally suited to this application.
  • the oven temperature in the case that the aforementioned paint is employed as the bonding layer, has been effectively set at 230 degrees centigrade. Curing has been found to take place to an adequate extent in approximately 20 seconds residence time
  • IP1500 2002-12-20 in the drying unit can be manipulated to achieve desired results in known manner.
  • the metal foil emerging from the oven has the foil (1) that is supplied from a roll (12) thereof applied to the exposed surface of the bonding layer at an alignment roller (13) so that the alignment roller can remove or avoid the formation of creases in the foil.
  • the decorative layer of the foil is bonded to the bonding layer by passing the metal strip and foil together between a pair of heated silicon rubber rollers (14).
  • the rollers are typically heated to a minimum of 120 degrees and typically to about 230 degrees centigrade, or even higher. It has been found that rollers having a Shore hardness of approximately 60 operate effectively.
  • the one roller typically the lower roller, could be a metal roller.
  • the heat and pressure has the effect of bonding the decorative layer to the adjacent surface of the bonding layer and simultaneously melting the wax release layer (3) so that the carrier film and wax separate from the decorative layer (4) that becomes permanently bonded to the bonding layer.
  • the decorated strip or sheet formed in this way can be handled and processed immediately, for example to form said metal strips for rimming calendars all for any other purpose such as those indicated above.

Landscapes

  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé pour appliquer une matière décorative (4) sur la surface d'un article en métal, cette matière décorative étant placée sur un film support (2). La surface métallique présente une couche de liaison adaptée (10) sur laquelle la matière décorative est appliquée et fixée. De préférence, la matière décorative se présente initialement sous la forme d'une couche décorative qui est transférée à partir d'une couche anti-adhésive (3), elle-même placée sur le film support, ce dernier pouvant éventuellement être retiré une fois la couche décorative fixée à la couche de liaison. La couche de liaison est de préférence une couche convenablement flexible permettant un pliage subséquent de la surface métallique. De façon caractéristique, la matière décorative est un film pour marquage à chaud et la couche de liaison est une peinture plastique, telle qu'une peinture polyester.
PCT/ZA2002/000220 2001-12-21 2002-12-23 Application d'une matiere decorative sur des surfaces metalliques Ceased WO2003053720A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002360871A AU2002360871A1 (en) 2001-12-21 2002-12-23 Applying a decorative finish to metal surfaces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2001/10513 2001-12-21
ZA200110513 2001-12-21

Publications (2)

Publication Number Publication Date
WO2003053720A2 true WO2003053720A2 (fr) 2003-07-03
WO2003053720A3 WO2003053720A3 (fr) 2004-01-22

Family

ID=25589417

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2002/000220 Ceased WO2003053720A2 (fr) 2001-12-21 2002-12-23 Application d'une matiere decorative sur des surfaces metalliques

Country Status (2)

Country Link
AU (1) AU2002360871A1 (fr)
WO (1) WO2003053720A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113857088A (zh) * 2021-08-24 2021-12-31 温州市鑫博烫金材料有限公司 烫金粉的一体加工装置及其加工工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141410A1 (de) * 1980-10-24 1982-06-24 Perstorp AB, 28400 Perstorp Plastikprodukt und verfahren zu dessen herstellung
US4514454A (en) * 1983-10-24 1985-04-30 Champion International Corporation Heat dissipating decorative laminate
GB2184399B (en) * 1985-12-06 1990-02-28 Heat Seal Method for applying a pattern to a substrate.
JP2001150882A (ja) * 1999-11-24 2001-06-05 Sanko:Kk 金属材にフィルムを転写する方法及び転写金属材

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113857088A (zh) * 2021-08-24 2021-12-31 温州市鑫博烫金材料有限公司 烫金粉的一体加工装置及其加工工艺

Also Published As

Publication number Publication date
AU2002360871A8 (en) 2003-07-09
WO2003053720A3 (fr) 2004-01-22
AU2002360871A1 (en) 2003-07-09

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