Lintec Corporation

Bridgestone Corporation

Hitoshi Sakashita

Takao Kimijima

Forgery-preventive identification medium and method for ascertaining the genuineness thereof

A non-contact type data carrier label has a data carrier for storing information and a support member for holding the data carrier, and it is able to attach to a product. The support member has a holding portion for holding the data carrier and paste portion to be pasted on the product in a attachable/detachable manner. A releasable type adhesive layer is formed on the support member. Thus, the data carrier label can be attached to and detached from the product more easily compared with that of conventional one.

Non-contact type data carrier label

An adhesive label includes a label base formed of a translucent resin film, an adhesive layer provided on one surface of the label base, and a release liner attached to the adhesive layer. Slits are formed in the release liner to define an initial release-liner portion and a final release-liner portion. In the state in which the initial release-liner portion is peeled off, the adhesive layer can be partially exposed, and printing is effected on the exposed surface of the adhesive layer.

Adhesive label

An information indicator used for a tire production control label or the like is provided with a film-type substrate formed of a heat-resistant resin. An information indicating surface onto which a recognizable indication indicating specified information is printed is formed on one surface of the substrate, and a pressure sensitive adhesive layer is formed via a primer layer on the other surface of the substrate. The information indicating surface is formed so as to have a surface roughness whose arithmetical mean deviation of the profile determined in JIS B 0801 lies between 0.5 and 5 .mu.m, and an indication such as a bar code, characters, figures, symbols or drawings is attached to the information indicating surface. With the information indicator formed in this way, the indication does not become blurred or erased even under the high temperatures and high pressures during vulcanization.

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Misato, Japan

Hitoshi Sakashita