Easy to tear paste bags

Patent name Easily torn open paste bags Patent applicant Li Shaobo Principal applicant Address 300070 Tianjin Heping District Vanke Metropolitan Garden Milano 508 Inventor Li Shaobo Application (Patent) No. 200420029197.3 Application Date 2004.06.22 Certification Date Approval Notice No. 2714440 Auditing Announcement Date 2005.08.03 Specification CD-ROM D0531 Main Classification Number B65D30/10 Classification Number B65D30/10; B65D33/16 Sub-item Original Application No. Priority Abstract This utility model is an easy-to-peel paste packaging bag. The main technical feature is that there is an opening outside the heat sealing surface of one end of the width direction of the packaging bag, and a sharp tapered shape is thermally synthesized in the heat sealing surface facing the opening. The packaging bag can be packed with a variety of pastes, liquids and other substances, easy to use, resistant to extrusion, easy to carry, not easy to leak, and the extrusion can be controlled, is a new generation of bags. Sovereignty item 1. An easily tearable paste packaging bag, which is made of aluminum foil or paper and the four edges of the packaging bag are heat-sealed and fixed, characterized in that the packaging bag has an opening outside the heat sealing surface of one end of the packaging bag. In the heat sealing surface facing the opening, a cone shape is thermally synthesized. International Application International Publication Entering Country Date Patent Agency Tianjin Desai Law Firm Agency Address Agents