New flexible bag

Patent Name New flexible packaging bag Patent Applicant Luo Fei Principal Applicant Address 641307 Baotou Village, Fengyu Town, Ziyang City, Sichuan Province Group 4 Inventor Luo Fei Application (Patent) No. 200420105204.3 Application Date 2004.11.23 Certification Date Approval Publication No. 2749820 Audit Announcement Date 2006.01.04 Specification CD-ROM D0601-2 Main classification number B65D30/16 (2006.01) I Classification number B65D30/16 (2006.01) I; B65D33/36 (2006.01) I Division Original application number Priority document Abstract This disclosure A new kind of flexible packaging bag, especially suitable for use in beverages, fresh milk, seasonings and other industries, has an opening device in the middle or corner of one end of the bag body, and the opening device consists of a bag mouth and a movable mouth cover, and the bag mouth and the movable mouth The lid has a spiral or piston seal; the opening device is connected with the bag body in a sealed manner; the bottom of the bag body is folded and invaginated; when the bag body is deployed, the side wall of the bag body is herringbone-shaped, and the bag mouth is located at the end of the bag body. Connect a pipe; First of all, it can easily pour out the liquid in the bag, and it can be stored and sealed conveniently when it is not used, so that the liquid in the bag can be easily stored; Times, retraction bottom fold of the bag body, the bag body side wall support chevron shape when deployed, the bag body prevents it from slipping. Third, when the bag body is dumped during storage, the movable mouth cover and the bag mouth are connected in a sealed manner and the liquid in the bag does not overflow, which is convenient for safe storage. Sovereign item 1, a new type of flexible packaging bag comprising a bag body, characterized in that: an opening device is provided in the middle or corner of one end of the bag body; the opening device is composed of a bag mouth and a movable mouth cover; the bag mouth and the movable mouth cover A spiral or piston seal; the opening device is connected with the bag body in a sealed manner; the bottom of the bag body is folded and invaginated, and the side wall of the bag body is supported in a herringbone shape when being deployed.