Double-layer paste packaging tube

Patent Name A double-layer paste package patent applicant Xiao Honghua Primary Applicant Address 154002 3rd Committee, 3rd Committee, Xiangyang District, Jiamusi City, Heilongjiang Province Inventor Xiao Honghua Application (Patent) No. 200520022759.6 Date of Application 2005.01.21 Certification Date Approval Notice No. 2763199 Auditing announcement date 2006.03.08 Manual CD-ROM D0610-2 Main classification number B65D35/02 (2006.01) I Classification number B65D35/02 (2006.01) I Division Original application number Priority Claim Abstract This utility model relates to a paste packaging tube . The structure includes an outer tube, a tube head fixed at the end of the outer tube, a cover body, an inner tube coaxially sheathed in the outer tube, and a space between the inner tube and the outer tube. A one-way air inlet device is arranged on the outer tube. The beneficial effect of the utility model lies in that, due to the double structure of the inner tube and the outer tube, the pressure between the inner tube and the outer tube can be transmitted to the inner tube by pressing the outer tube during use. The paste can be quickly and easily output, and, regardless of the amount of paste in the inner tube, the paste is very convenient and easy to squeeze. At the same time, since the pressure is evenly applied to the paste on the inner tube, it can be The paste inside the inner tube is completely extruded, which helps to reduce waste and save resources. In addition, the outer tube of the utility model can be made into any shape according to commercial needs and brand image, and is no longer limited by the existing packaging materials, thereby facilitating the design of the outer shape and facilitating the display of various artistic expressions thereon. Sovereignty item 1. A double-layer paste package tube comprising an outer tube (5), a tube head (2) fixed at the end of the outer tube, and a cover (1) fitted with the tube head (2). The inner tube (3) is coaxially sleeved inside the outer tube (5), and there is a space (13) between the inner tube and the outer tube. The outer tube (5) is provided with a one-way air inlet device.