EP0489960A1 - Procédé pour la fabrication d'étiquettes thermosoudables et étiquette obtenue par ce procédé - Google Patents

Procédé pour la fabrication d'étiquettes thermosoudables et étiquette obtenue par ce procédé Download PDF

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Publication number
EP0489960A1
EP0489960A1 EP90124012A EP90124012A EP0489960A1 EP 0489960 A1 EP0489960 A1 EP 0489960A1 EP 90124012 A EP90124012 A EP 90124012A EP 90124012 A EP90124012 A EP 90124012A EP 0489960 A1 EP0489960 A1 EP 0489960A1
Authority
EP
European Patent Office
Prior art keywords
melting
base film
label
film
base
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.)
Withdrawn
Application number
EP90124012A
Other languages
German (de)
English (en)
Inventor
Winfried C/O Schreiner Etiketten Und Rudolf
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.)
Schreiner Group GmbH and Co KG
Original Assignee
Schreiner Etiketten und Selbstklebetechnik GmbH and Co
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 Schreiner Etiketten und Selbstklebetechnik GmbH and Co filed Critical Schreiner Etiketten und Selbstklebetechnik GmbH and Co
Priority to EP90124012A priority Critical patent/EP0489960A1/fr
Publication of EP0489960A1 publication Critical patent/EP0489960A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/04—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps to be fastened or secured by the material of the label itself, e.g. by thermo-adhesion

Definitions

  • the invention relates to a method for producing heat-sealable labels and a heat-sealable label that can be produced by this method.
  • the problem often arises with heat-sealable labels that heat sealing, i.e. when the label is connected to its base by applying heat under pressure, the print on the label is distorted. This is not acceptable from an aesthetic point of view. If the labels contain a machine-readable code, the interference with the print during heat sealing can result in the code becoming unreadable for the reader.
  • the invention is based on the object of specifying a method and a label which can be produced by this method, in which it is ensured that no interference with the printed image occurs as a result of the heat sealing.
  • this object is achieved in that a base film made of comparatively low-melting plastic is printed, and that the base film is connected on its printed side in a thermal melting process with a higher-melting transparent cover film.
  • the low-melting plastic which creates the connection between the label and its base when heat-sealed, is protected by the higher-melting cover film.
  • the higher melting cover film also protects the pressure applied to the comparatively low melting base film.
  • the printing on the base film takes place in the thermal transfer printing method. It has been shown that with such a procedure, a particularly stable embedding of the pressure between the two foils can be achieved, in particular when the working temperature of the thermal transfer printing process is selected so that it is at the softening temperature of the low-melting base foil.
  • the printing ink is particularly intensively bonded to the substrate.
  • the base film is provided on its unprinted side with a smooth layer preventing the permanent connection with adhesive, that the composite consisting of the base film and the cover film is laminated together with a self-adhesive carrier tape, and that the existing film of the base film and the cover film is punched out in label forms.
  • heat-sealable labels are created, which are arranged on a carrier tape and which are machine-dispensable. This means that the carrier tape is pulled over a dispensing lip and the label on it stands out from the carrier tape and can be gripped and processed by machine.
  • the object is achieved in that it has a base layer made of a comparatively low-meltable plastic, which has an imprint on one side, and that on the side of the base layer bearing the imprint, a transparent cover layer of higher-melting Plastic is melted.
  • the base layer and the top layer are made of polyurethane.
  • Polyurethane has proven to be washable, cleanable, crease-free, solvent-resistant, grease and oil-resistant and UV-resistant, which is why the label according to the invention is particularly suitable for textiles that need to be washed and cleaned. In addition, it has proven to be particularly scratch resistant proven.
  • a particularly good bond between the base film and the cover film has been obtained when the melting ranges of the two films have a temperature difference of approximately 10 to 20 ° C.
  • the reference numeral 1 denotes a polyurethane film.
  • This low-melting base film 1 passes through a thermal transfer printing unit 4, 4 ', which is symbolized by a printing roller 4 and a counter-pressure roller 4'. There, the base film 1 receives an imprint on its side shown in FIG. 1, which can represent, for example, a machine-readable bar code.
  • the base film 1 is brought together with a cover film 2 and both films are pressed together in a thermal melting unit 5, in which they are heated to about 170 to 180 ° C., so that an intimate film composite is formed. The layers melt together homogeneously so that they can no longer be detached.
  • the thermal print embedded in the base film 1 remains intact, since the cover film 2 does not undergo any significant change in shape due to the higher melting range and protects the print.
  • a carrier tape 3 having a self-adhesive layer on its upper side is brought up to the composite consisting of the base film 1 and the cover film 2, so that an adhesive bond occurs between the composite consisting of the base film and the cover film and the carrier tape 3.
  • the base film 1 is siliconized on its underside, ie is provided with a smooth layer, the connection between the base film 1 and the carrier tape 3 only temporarily and can be easily separated.
  • the composite then passes through a punch 6, which only cuts through the composite consisting of the foils 1 and 2, but not the carrier tape 3.
  • the punch 6 thus cuts labels of any shape from the composite consisting of the foils 1 and 2.
  • the remaining parts (grid) are then removed (not shown).
  • a carrier tape 3 can also be omitted.
  • the film composite consisting of films 1 and 2 can be cut and bundled by a cutting device.
  • FIG. 2 shows, with greatly increased thicknesses, the labels which are obtained as a result of the manufacturing process explained in FIG. 1.
  • the labels consist of a base film 1 on which a print 7 is applied using the thermal transfer printing process.
  • the base layer 1 is covered by a cover layer 2, which forms an intimate connection with the base layer 1 by thermal fusion.
  • the labels consisting of layers 1 and 2 have no self-adhesive property themselves. They sit on a carrier tape 3 coated with adhesive on its upper side. Since the underside of the base layer 1 is provided with a smooth layer, the labels stand out from the carrier tape when this is drawn over a dispensing lip, as indicated in FIG. 2 on the right. The straight end of the label can be gripped by a machine and further processed by machine.
  • the label consisting of layers 1 and 2 with the print 7 is preferably applied to textile.
  • it is pressed onto the textile piece with a - preferably with PTFE coated - ironing press at temperatures between 180 ° C and 210 ° C and a contact pressure of 4 bar between five and fifteen seconds.
  • the low-melting base film forms an intimate connection with the textile fabric.
  • the higher melting cover film 2 does not undergo any significant change. The intimate connection remains even during washing and cleaning processes. It It has been shown that the structure according to the invention does not suffer any distortion or damage when the label is “ironed”.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Making Paper Articles (AREA)
EP90124012A 1990-12-13 1990-12-13 Procédé pour la fabrication d'étiquettes thermosoudables et étiquette obtenue par ce procédé Withdrawn EP0489960A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP90124012A EP0489960A1 (fr) 1990-12-13 1990-12-13 Procédé pour la fabrication d'étiquettes thermosoudables et étiquette obtenue par ce procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90124012A EP0489960A1 (fr) 1990-12-13 1990-12-13 Procédé pour la fabrication d'étiquettes thermosoudables et étiquette obtenue par ce procédé

Publications (1)

Publication Number Publication Date
EP0489960A1 true EP0489960A1 (fr) 1992-06-17

Family

ID=8204835

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90124012A Withdrawn EP0489960A1 (fr) 1990-12-13 1990-12-13 Procédé pour la fabrication d'étiquettes thermosoudables et étiquette obtenue par ce procédé

Country Status (1)

Country Link
EP (1) EP0489960A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29602430U1 (de) * 1996-02-12 1997-07-03 Steinbeis PPL GmbH, 83098 Brannenburg Transferetikett
US7074477B2 (en) 1996-02-12 2006-07-11 Zweckform Etikettiertechnik Gmbh Transfer label
CN101209615B (zh) * 2006-12-27 2010-12-15 上海正伟印刷有限公司 一种节省烫印膜的烫印方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0055613A1 (fr) * 1980-12-31 1982-07-07 Joel & Aronoff U.K. Limited Décalques, étiquettes et analogues
EP0119669A1 (fr) * 1983-03-22 1984-09-26 Thermopatch B.V. Procédé pour l'étiquetage d'articles
EP0201440B1 (fr) * 1985-04-30 1989-06-28 CERMAT Association de droit local sans but lucratif Marquage d'une pièce de tissu, dispositif pour la mise en oeuvre de ce procédé et étiquette obtenue

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0055613A1 (fr) * 1980-12-31 1982-07-07 Joel & Aronoff U.K. Limited Décalques, étiquettes et analogues
EP0119669A1 (fr) * 1983-03-22 1984-09-26 Thermopatch B.V. Procédé pour l'étiquetage d'articles
EP0201440B1 (fr) * 1985-04-30 1989-06-28 CERMAT Association de droit local sans but lucratif Marquage d'une pièce de tissu, dispositif pour la mise en oeuvre de ce procédé et étiquette obtenue

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29602430U1 (de) * 1996-02-12 1997-07-03 Steinbeis PPL GmbH, 83098 Brannenburg Transferetikett
US7074477B2 (en) 1996-02-12 2006-07-11 Zweckform Etikettiertechnik Gmbh Transfer label
CN101209615B (zh) * 2006-12-27 2010-12-15 上海正伟印刷有限公司 一种节省烫印膜的烫印方法

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