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. 01, 2023
Filed:
Sep. 02, 2020
Fuji Seal International, Inc., Osaka, JP;
Kao Corporation, Tokyo, JP;
Fuji Seal International, Inc., Osaka, JP;
Abstract
[Problem to be Solved] To prevent delamination of a film layer in a sheet material container in which an enclosing portion is formed in an interlayer between a first film layer and a second film layer. [Solution] A sheet material container includes a container body, and an inner containerthat is covered by the container bodyand defines an accommodation space, wherein the container bodyis formed of a sheet materialincluding a first film layerand a second film layerdisposed inside the first film layer, the sheet materialhas a joint portionat which an interlayer between the first film layerand the second film layeris joined and an enclosing portionin which a filler can be enclosed in the interlayer between the first film layerand the second film layer, and the first film layerhas an extruded multilayer structural part having a polyolefin resin layer/an ethylene-vinyl alcohol copolymer resin layeron a side facing the enclosing portion