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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0532845 (2008-04-04) |
등록번호 | US-8535464 (2013-09-17) |
국제출원번호 | PCT/US2008/059397 (2008-04-04) |
§371/§102 date | 20090924 (20090924) |
국제공개번호 | WO2008/124581 (2008-10-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 | 피인용 횟수 : 7 인용 특허 : 409 |
A label for application to a surface having at least one compound curve is provided. The label comprises a heat shrinkable film having an inner surface and outer surface and a layer of pressure sensitive adhesive on the inner surface of the heat shrinkable film.
1. A method of applying a label to an article, the method comprising: providing an article having a surface comprising at least one compound curve;providing a label comprising (i) a heat shrinkable film having an inner surface and an outer surface; and (ii) a continuous adhesive layer of pressure se
1. A method of applying a label to an article, the method comprising: providing an article having a surface comprising at least one compound curve;providing a label comprising (i) a heat shrinkable film having an inner surface and an outer surface; and (ii) a continuous adhesive layer of pressure sensitive adhesive on the inner surface of the heat shrinkable film, wherein the label has a central portion and a peripheral portion;contacting the adhesive layer in the central portion of the label with the article such that the peripheral portion of the label is not in contact with the article;applying pressure to the label in an outward direction from the central portion to the peripheral portion such that the peripheral portion is partially adhered to the article after the central portion, and wherein the peripheral portion of the label is applied over one compound curve of the article;applying heat to the peripheral portion of the label to shrink at least the heated portion of the label biaxially and to fully adhere the label to the article such that darts remaining in the peripheral portion after adherence of the central portion are substantially eliminated. 2. The method of claim 1 wherein the label is sized such that it does not wrap completely around the article. 3. The method of claim 1 wherein the label is provided with a release liner adhered to the adhesive layer and the method further comprises separating the release liner from the label prior to contacting the label with the article. 4. The method of claim 1 further comprising applying pressure to the label subsequent to the application of heat to the label. 5. The method of claim 1 further comprising applying pressure to the label concurrent with the application of heat to the label. 6. The method of claim 1 wherein the label is heated to a temperature of at least 40° C. 7. The method of claim 1 wherein a walking beam is used to apply pressure to the label. 8. The method of claim 1 wherein the heat shrinkable film comprises a film selected from polyester, polyolefin, polyvinyl chloride, polystyrene, poly lactic acid, copolymers thereof and blends thereof. 9. The method of claim 1 wherein the heat shrinkable film comprises a multilayer film having a core layer and at least one skin layer. 10. The method of claim 1 wherein the stiffness of the film is at least 5 mN in the machine direction. 11. The method of claim 1 wherein the label further comprises a print layer between the heat shrinkable film and the adhesive layer, wherein the heat shrinkable film is transparent. 12. The method of claim 1 wherein the label further comprises a print layer on the outer surface of the heat shrinkable film. 13. The method of claim 12 wherein the label further comprises a protective layer overlying the print layer. 14. The method of claim 1 wherein the adhesive layer comprises an emulsion adhesive, hot melt adhesive or solvent based adhesive. 15. The method of claim 1 wherein the continuous pressure sensitive adhesive layer is a continuous pattern and the pattern substantially covers the inner surface of the film. 16. The method of claim 1 wherein the heat shrinkable film has a machine direction and a trans direction, the film having an ultimate shrinkage S in at least one direction of at least 10% at 90° C. as measured by ASTM Method D1204, wherein the shrinkage in the other direction is within the range of S±20%.
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