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. 06, 2018
Filed:
Dec. 21, 2015
W & Co., Shibuya-ku, Tokyo, JP;
Hiroyuki Ito, Tokyo, JP;
W & Co., Shibuya-ku, Tokyo, JP;
Abstract
Provided is a food degassing bag which has a stable gas venting operation in response to carbon dioxide gas produced in different amounts and by which a gas venting effect can be obtained even when the internal pressure of a storage bag is low. The storage bag is composed of a packaging film layerand a degassing layer. A polyethylene layerA and an oxygen barrier layerB compose the degassing layer. In the degassing layer, gas venting through-poresare opened. An adhesive layeradheres the packaging film layerand the polyethylene layerA of the degassing layertogether. The adhesive layeris formed sequentially with non-adhesive portions showing a stripe pattern. The non-adhesive portions form degassing vents leading to the outside of the storage bag.