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.

Date of Patent:
Dec. 28, 2021

Filed:

May. 28, 2019
Applicant:

Toppan Printing Co., Ltd., Tokyo, JP;

Inventors:

Shigeki Kudo, Tokyo, JP;

Nobuhiko Imai, Tokyo, JP;

Minoru Kawasaki, Tokyo, JP;

Osamu Takemoto, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 65/40 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); B32B 27/32 (2006.01); B32B 27/00 (2006.01); B32B 27/18 (2006.01);
U.S. Cl.
CPC ...
B65D 65/40 (2013.01); B32B 7/12 (2013.01); B32B 27/00 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 27/32 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2307/412 (2013.01); B32B 2307/7246 (2013.01); B32B 2439/46 (2013.01);
Abstract

A packaging is provided including: a base layer including at least one layer of a biaxially oriented resin film; and a sealant layer including at least a first thermoplastic resin layer and a second thermoplastic resin layer, in which the base layer, the first thermoplastic resin laser, and the second thermoplastic resin layer are laminated in this order, a density of a first resin forming the first thermoplastic resin layer is higher than a density of a second resin forming the second thermoplastic resin layer, the density of the first resin is 0.90 g/cmor higher, the density of the second resin is 0.92 g/cmor lower, and the second thermoplastic resin layer contains 200 to 2000 ppm of a lubricant including at least one of a fatly acid amide lubricant and a fatty acid ester lubricant.


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