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:
Sep. 27, 2022
Filed:
Jun. 26, 2019
Gunze Limited, Ayabe, JP;
Takanori Nozaki, Shiga, JP;
Gunze Limited, Kyoto, JP;
Abstract
The present invention provides a heat shrinkable multilayer film that can prevent layer misalignment at a center seal portion and thereby provide a labelled container having excellent appearance when the film is attached to a container as a heat shrinkable label for dry heat shrinking, and a heat shrinkable label including the heat shrinkable multilayer film as a base film. Provided is a heat shrinkable multilayer film including: front and back layers each containing a polyester resin; an interlayer containing a polystyrene resin; and adhesive layers, wherein the front and back layers and the interlayer are stacked with the adhesive layers interposed therebetween, and the heat shrinkable multilayer film has a maximum shrinkage stress of 3.5 to 11 MPa when immersed in hot water at 80° C. for 30 seconds.