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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.:

US 12337578 B1

PDFFull Text
Date of Patent:
Jun. 24, 2025

Filed:

Jun. 26, 2020

Outer packing material for vacuum insulation material, vacuum insulation material, and article provided with vacuum insulation material

Applicant:

Dai Nippon Printing Co., Ltd., Tokyo-to, JP;

Inventors:

Taku Muneda, Tokyo-to, JP;

Masahiro Imai, Tokyo-to, JP;

Assignee:

DAI NIPPON PRINTING CO., LTD., Tokyo, JP;

Attorney:

Oliff PLC

Primary Examiner:

Sheeba Ahmed

Int. Cl.
CPC ...
B32B 27/16 (2006.01); B32B 7/027 (2019.01); B32B 7/12 (2006.01); B32B 9/00 (2006.01); B32B 9/04 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B65D 65/40 (2006.01);
U.S. Cl.
CPC ...
B32B 27/16 (2013.01); B32B 7/027 (2019.01); B32B 7/12 (2013.01); B32B 9/005 (2013.01); B32B 9/045 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B65D 65/40 (2013.01); B32B 2250/02 (2013.01); B32B 2250/04 (2013.01); B32B 2250/44 (2013.01); B32B 2255/26 (2013.01); B32B 2307/7244 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/732 (2013.01); B32B 2553/00 (2013.01); B65D 2565/387 (2013.01); B65D 2565/388 (2013.01);
Abstract

The present disclosure provides an outer packing material for vacuum insulation material comprising a thermally weldable film; a resin layer including at least one of an ethylene-vinyl alcohol copolymer and polyvinyl alcohol; and a gas barrier film including a resin base material, and an inorganic film placed on at least one main surface of the resin base material, wherein the resin layer is placed between the thermally weldable film and the gas barrier film, a water vapor permeability of the outer packing material for vacuum insulation material is 0.03 g/(m·day) or less, and a metal layer is not placed in the outer packing material for vacuum insulation material.

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