摘要：
A heat-tranfer label (11) suitable for use on silane-treated glass containers, refundable polyethylene terephthalate containers, and the like. According to one embodiment, the label (11) includes a sheet of paper (15) overcoated with a release layer of polyethylene (17). A skim coat of wax is overcoated onto the polyethylene-coated paper. A protective lacquer layer (23) comprising a polyethylene, polyethylene/vinyl or polyethylene/vinyl with wax lacquer is printed onto the skim coat (19). An ink design layer (25) comprising one or more polyester inks is printed onto the protective lacquer layer (23). An adhesive layer (27) comprising a polyethylene, polyethylene/vinyl or polyethylene/vinyl with wax adhesive is printed onto the ink design layer (25).
权利要求：
WO 98/00294
PCMJS97/11309
WHAT IS CLAIMED IS
1 A heat-transfer label comprising
(a) a support portion, and
(b) a transfer portion over said support portion for transfer of the 5 transfer portion from the support portion to an article upon application of heat to the support portion while the transfer portion is placed into contact with the article, said transfer portion comprising
(i) a protective lacquer layer, said protective lacquer layer comprising one of a polyester lacquer, a polyester/vinyl lacquer and a 10 polyester/vinyl with wax lacquer,
(n) an ink design layer over said protective lacquer layer, said ink design layer comprising one or more polyester inks, and (m) an adhesive layer over said ink layer
2 The heat-transfer label as claimed in claim 1 wherein said protective 15 lacquer comprises one of a polyester/vinyl lacquer and a polyester/vinyl with wax lacquer
3 The heat-transfer label as claimed in claim 2 wherein said protective lacquer layer comprises a polyester/vinyl with wax lacquer
4 The heat-transfer label as claimed in claim 3 wherein said ink design 20 layer includes two or more polyester inks pnnted in the form of a vignette
5 The heat-transfer label as claimed in claim 2 wherein said protective lacquer layer comprises a polyester/vinyl lacquer
6 The heat-transfer label as claimed in claim 5 wherein said ink design layer comprises one or more polyester inks pnnted in the form of line copy
25 7 The heat-transfer label as claimed in claim 1 wherein said adhesive layer compnses one of a polyester adhesive, a polyester/vinyl adhesive and a polyester/vinyl with wax adhesive
8 The heat-transfer label as claimed in claim 7 wherein said adhesive layer comprises a polyester adhesive 30 9 The heat-transfer label as claimed in claim 1 wherein said transfer portion is in direct contact with said support portion
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WO 98/00294
PCTAJS97/11309
9 The heat-transfer label as claimed in claim 1, wherein said support portion compnses a sheet of paper overcoated with a release layer of polyethylene.
10 A transfer portion of a heat-transfer label, said transfer portion comprising
(a) a protective lacquer layer, said protective lacquer layer comprising one of a polyester/vinyl lacquer and a polyester/vinyl with wax lacquer, and
(b) an ink design layer over said protective lacquer layer, said ink design layer compnsing one or more polyester inks
11 The transfer portion as claimed in claim 10, wherein said protective lacquer layer compnses a polyester/vinyl with wax lacquer
12 The transfer portion as claimed in claim 11, wherein said ink design layer includes two or more polyester inks pnnted in the form of a vignette
13 The transfer portion as claimed in claim 10, wherein said protective lacquer layer comprises a polyester/vinyl lacquer
14 The transfer portion as claimed in claim 13, wherein said ink design layer compnses one or more polyester inks pnnted in the form of line copy
15 The transfer portion as claimed in claim 10, further comprising an adhesive layer, said adhesive layer being positioned over said ink ujsign layer
16 The transfer portion as claimed in claim 15, wherein said adhesive layer comprises one of a polyester adhesive, a polyester/vinyl adhesive and a polyester/vinyl with wax adhesive
17 The transfer portion as claimed in claim 16, wherein said adhesive layer compnses a polyester adhesive
18 A method of labelling an article, said method comprising the steps of
(a) providing a heat-transfer label, said heat-transfer label comprising
(i) a support portion, and
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WO 98/00294 ^ j *•']■ \tj TJ PCT/US97/11309
(n) a transfer portion over said support portion for transfer of the transfer portion from the support portion to the article upon application of heat to the support portion while the transfer portion is placed into contact with the article, said transfer portion comprising a protective lacquer layer, said protective lacquer layer compnsing one of a polyester/vinyl lacquer and a polyester/vinyl wtth wax lacquer, and an ink design layer over said protective lacquer layer, said ink design layer compnsing one or more polyester inks, and (b) transferring said transfer portion from said support portion to the article
19 The method as claimed in claim 18, wherein the article is selected from the group consisting of glass containers and polyethylene terephthalate containers
20 The method as claimed in claim 19, wherein the article is a refundable polyethylene terephthalate container, wherein said ink design layer includes two or more polyester inks printed in the form of a vignette and wherein said protective lacquer layer comprises a polyester/vinyl with wax lacquer
21 The method as claimed in claim 19, wherein the article is a silane-treated glass container, wherein said ink design layer includes one or more polyester inks pnnted in the form of line copy and wherein said protective lacquer layer compnses a polyester/vinyl lacquer
22 a method of labelling a glass article, said method comprising the steps of
(a) providing a heat-transfer label, said heat-transfer label compnsing.
(i) a support portion, and
(ii) a transfer portion over said support portion for transfer of the transfer portion from the support portion to the glass article upon application of heat to the support portion while the transfer portion is placed into contact with the glass article, said transfer portion comprising a protective lacquer layer, and an ink design layer over said protective lacquer layer, said ink design layer compnsing one or more polyester inks, and
INTELLECTUAL PROPERTY OFFICE OF NZ
2 3 JUL 1999
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WO 98/00294 v PCT/US97/U309
(b) transferring said transfer portion from said support portion to the glass article
23 The heat-transfer label as claimed in claim 1, further compnsing a skim coat interposed between said support portion and said transfer portion.
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INTELLECTUAL PROPERTY OFFICE OF NZ
2 3 JUL 1999 RECEIVED