Food packaging pocket
[patent type] utility model [patent name] food packaging sealed pocket [applicant] Shanghai University [inventor] Gu Jianming [main applicant address] 200072 Shanghai Zhabei District Yanchang Road No. 149 [application number] 200420022288.4〠Application Date 】 2004.04.27
ã€Approval Announcement No.】 2697005
〠Validation announcement date 】 2005.05.04
〠Main classification number 】 B65D30/10
[Category] B65D30/10 B65D33/04
[Sovereign Items] 1. A food packaging sealing bag characterized in that the sealing bag is an upper sealing portion of an open pocket made of a film material, and narrow and elongated outlet channels are provided between the upper and lower layers.
[Instruction CD-ROM] D0518
ã€Abstract】 The utility model provides a food packaging sealing bag, belonging to the field of packaging materials. The food packaging sealing bag of the utility model is an upper sealing part of an opening pocket made of a film material, and narrow and elongated air outlet holes are arranged between the upper and lower layers; the width, length and distribution form of the channel should be It is determined according to the requirements for the safe storage period of the contents, the packaging materials and the physicochemical properties of the contents. The food packaging pouch of the utility model has the same safe storage period as the vacuum packaging pouch.
〠Agency 】 Shanghai Shangda Patent Office 〠Agent 】 Gu Yonghua
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