The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2022
Filed:
Aug. 04, 2021
Fuji Seal International, Inc., Osaka Osaka, JP;
Nao Yoshida, EE Eindhoven, NL;
Ernst Christian Koolhaas, TT Nuenen, NL;
Fuji Seal International, Inc., Osaka, JP;
Abstract
A method of activating the shrink characteristic of multi-layered film (), the method comprising the steps of providing a multi-layered film comprising at least a base layer film () that comprises a shrinkable film, a photothermic layer (), associated with the base layer film, and comprising a photothermic material, exposing the multi-layered film () to electromagnetic radiation in order for the photothermic material to generate heat and shrink the multi-layered film (), wherein the electromagnetic radiation comprises UV-light having a peak wavelength between 200 nm and 399 nm, and at least 90% of the UV-light is within a bandwidth of ±30 nm of the peak wavelength.