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:
Mar. 18, 2008
Filed:
Dec. 22, 2004
Satoshi Hayakawa, Inuyama, JP;
Seizou Takabayashi, Inuyama, JP;
Norimi Tabota, Inuyama, JP;
Naonobu Oda, Inuyama, JP;
Satoshi Hayakawa, Inuyama, JP;
Seizou Takabayashi, Inuyama, JP;
Norimi Tabota, Inuyama, JP;
Naonobu Oda, Inuyama, JP;
Toyo Boseki Kabushiki Kaisha, Osaka-shi, JP;
Abstract
A heat-shrinkable polyester film having a multi-layer structure of at least two layers, among which at least one layer is a layer containing a PET bottle-recycled material, wherein a heat shrinkage percentage in a maximum shrinkage direction of a 10 cm square sample cut out from the film is 40% or higher, under the condition that the square sample is immersed in hot water of 95° C. for 10 seconds and then immersed in water of 25° C. for 10 seconds, to provide a heat-shrinkable polyester film which has excellent characteristics and which can be produced at a high rate, even when a PET bottle-recycled material is used.