Production process for package
AssigneeFuji Seal International, Inc.
InventorsGosuke Matsunaga, Akira Miyazaki, Nao Yoshida, Yukitoshi Etani
Life of this patent
Estimating the term…
Abstract
The present invention bonds a label to an adherend with a heat-sensitive adhesive layer disposed therebetween, by sufficiently activating the heat-sensitive adhesive layer. Prepared is a label which comprises a label base and a heat-sensitive adhesive layer disposed on the back surface of the label base, wherein an ultraviolet-absorbing heating agent is contained in an area of the label base which at least includes the disposed heat-sensitive adhesive layer and/or in the heat-sensitive adhesive layer. Before or after the label is applied to an adherend, irradiation with ultraviolet is conducted to activate the heat-sensitive adhesive layer.
Claims16
1-8. (canceled)
A method for producing a package comprising:
- preparing a label that includes a label base and a heat-sensitive adhesive layer provided on a back surface of the label base, and that contains an ultraviolet-absorbing heating agent in at least either one of the heat-sensitive adhesive layer and a region of the label base, in which at least the heat-sensitive adhesive layer is provided, the step of preparing the label comprises the following steps:
- providing an elongated strip-shaped film web forming the label base;
- and
- partitioning the elongated strip-shaped film web into a plurality of labels in a longitudinal direction by disconnecting the web of the label base in a thickness direction;
- applying the label onto an adherend;
- and
- activating the heat-sensitive adhesive layer through ultraviolet irradiation, the step of activating the heat-sensitive adhesive layer comprises irradiating the ultraviolet-absorbing heating agent for generating heat and transferring the heat to the heat-sensitive adhesive layer, thereby adhering the heat-sensitive layer to the adherend.
Dependencies are inferred from the claim text.