High sealing cement bags

Patent Name High Sealed Cement Bag Patent Applicant Liang Zhisheng Principal Applicant Address 537403 Guangxi Zhuang Autonomous Region Beiliu Min Le Town Minle No.1 Transfer Inventor Liang Zhisheng Application (Patent) No. 200520002963.1 Date of Application 2005.01.06 Issue Date Approval Notice No. 2761532 Auditing Announcement Date 2006.03.01 Specification CD-ROM D0609-1 Main Classification Number B65D30/08 (2006.01) I Classification Number B65D30/08 (2006.01) I Sub-item Original Application No. Priority Citation Abstract This utility model discloses a high-sealing cement. Moisture-proof bags, including the inner and outer layers, the inner layer is lining, with plastic film. At the outer level is a reinforced plastic woven bag surface that is resistant to pressure and shock. After cement bags are filled with cement, they are sealed with a hot-press sealer. They can also be sealed with packaging tapes, sealed with seams on the outside, and sealed with other sealers. The advantages are simple structure, easy manufacture, low cost, good sealing effect, and the storage period is more than 2 times longer than the existing six-layer packaging bags. Sovereignty items 1. A high-sealing cement packaging bag, including lining and outer layers, characterized in that the packaging bag is divided into inner and outer layers, the inner layer is the lining inner layer (1), and the outer layer is the outer layer (2).