Tool and method for embossing packaging material with an embossing pattern having a code with low visibility and a method for reading the code
A technology of embossing patterns and embossing tools, applied in decorative arts, machining/deformation, embossed ornaments, etc.
Active Publication Date: 2022-08-02
BOEGLL GRAVURES SA
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Problems solved by technology
[0015] In principle, most requirements can be met using the above-mentioned 2D barcodes, however, as already mentioned further above, only printing methods exist so far for the application of such codes
Method used
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[0051] Packaging foils for the tobacco or food industry have been embossed for some time by means of embossing rollers, where this may involve, for example, a so-called inner lining around many cigarettes or for chocolate, butter or similar food or electronic components packaging material. In almost all cases, the concern here is related to thin foils with a thickness of about 70 μm.
[0052] The so-called inner liners consist first of all of pure aluminium foil, such as for example household foils, and these foils are embossed as a result of being guided through between two rollers, at least one of which has a relief, a so-called logo. Until about 1980, such a pair of rolls consisted mostly of steel rolls on which reliefs were formed and counter rolls made of elastic materials such as rubber, paper or plexiglass. By imprinting the relief of the male roll into the counter=female roll, a mirror-symmetrical imprint is produced. Since at least 1980, embossing rollers with small...
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Abstract
An embossing tool for embossing a combined embossing pattern into a packaging material, the combined embossing pattern including a decorative embossing structure and at least one embossing code, the embossing tool including male and female for cooperating with each other Embossing device and female embossing device, the embossing structure of the male embossing device and the female embossing device is formed to produce a combined embossing pattern in the packaging material in the embossing gap, the male embossing device and the female embossing device The embossing structure comprises a first embossing structure intended to form at least one embossing code, the first embossing structure being an inversely consistent male embossing structure and a female embossing structure having a polyhedral shape The embossed structure, and the decorative embossed structure and the at least one embossed code produced by the embossed structure are arranged such that the at least one embossed code has reduced visibility compared to the decorative embossed structure.
Description
technical field [0001] The present invention relates to the field of embossing tools for packaging materials, such as packaging foil and paper, as well as the application of codes by embossing into packaging materials and methods and devices for reading such codes. Background technique [0002] The present invention relates to a method and a device for authenticating an identification mark applied to a packaging foil, an embossing device for carrying out the method, and a packaging foil produced according to the method, wherein the identification mark may be of a bar code or a matrix code form, the identification mark has reduced visibility to the human eye. [0003] There are numerous methods for authenticating the widest variety of goods and the multiple identification marks on their packaging. The present invention relates to a method for authenticating goods arranged in a package, such as, for example, food products, electronic equipment, and in particular smoker produc...
Claims
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IPC IPC(8): B31F1/07
CPCB31F1/07B31F2201/0738B31F2201/0743H04L67/12B31F2201/0728B31F2201/0733B44B5/026
Inventor C·伯格利A·徳罗兹W·斯蒂芬
Owner BOEGLL GRAVURES SA