Bite and bag with bite

Patent Name Occluder and Bag with Bite Member Patent Applicant Ikegumi Unitech Corporation Master Applicant Address Tokyo, Japan Inventor Imoto Yamagami Application (Patent) No. 200380104703.9 Date of Application 2003.10.01 Issue Date Approval Notice No. 1720173 Approval Announcement date 2006.01.11 Specification CD-ROM D0602-1 Main classification number B65D33/25(2006.01) I Classification number B65D33/25(2006.01)I; A44B19/16(2006.01)I Division Original application number Priority item 2002.10.1 JP 289149/2002 Abstract At least one of a male member (21) and a female member (22) having a pair of male and female parts (21, 22) that are interlocked with each other and mounted along the periphery of the opening of the package bag The one side has a shape retention portion (213, 223) extending along the extension direction of the engagement member (20) and composed of a thermoplastic resin containing a benzene ring in the main chain as a main component. Made of material, it is kept in the open shape when it is installed on the packaging bag. When the packaging bag is opened, the opening is maintained by the shape retaining portions (213, 223). When the packaging bag is closed, the sealing properties are ensured by engaging the male member (21) and the female member (22). Slaves 1. A bite, which is a bite having a pair of male and female members engaged with each other and attached along the periphery of an opening of a packaging bag, characterized in that at least one of the male member and the female member has a shape holding portion. The shape-retaining portion extends along the extending direction of the above-described nip member and is made of a thermoplastic resin containing a benzene ring in the main chain, or a coextruded layer made of a thermoplastic resin containing a benzene ring in the main chain or made of A layer of a multi-layered structure maintains the shape of the opening when it is mounted on the packaging bag. International Application 2003-10-01 PCT/JP2003/012592 International Publication 2004-04-15 WO2004/031042