Patent Name Large-infusion soft-bag packaging press-fit mouthpiece cover patent applicant Hunan Qianshan Pharmaceutical Machinery Co., Ltd. Principal Applicant Address 410100 Inventor Liu Xianghua of Lijiang Road, Changsha Economic and Technological Development Zone, Hunan Province; Peng Xunde Application (patent) No. 200420113805.9 Application Date 2004.12.31 Certification Date Approval Notice No. 2764389 Approval Notice Date 2006.03.15 Instruction CD-ROM D0611-2 Main Classification Number A61J1/14 (2006.01) I Classification Number A61J1/14 (2006.01) I; B65D41/00 (2006.01) I. Division Original Claim No. 1 Abstract of the Invention The invention relates to a press-fit mouthpiece cover for large infusion soft bag packaging, characterized in that the combined cover is composed of a easy-folding cap, an outer cover and an inner plug, wherein the easy-folding cap is connected with the outer cover The inner plug is placed in the inner cavity of the outer cover, and a snap-fitting portion that can cooperate with the outer cover and the mouth tube is opened on the inner plug. The outer cover has a fitting portion that can cooperate with the boss of the oral tube on the side wall of the outer cover. The mechanical cover of the combination cover and the mouth tube of the utility model does not produce the phenomenon of bad welding, the outer cover and the mouth tube are firmly connected and the inner plug has good sealing performance. At the same time, the combined cover and the mouth tube do not need to be heated and welded to maintain the pressure during the press-fitting. The production process is simplified and the production efficiency is improved. The outer cover exposes the inner plug portion and is integrally formed with the outer cover to form a foldable cap seal, which can replace the original outer cover. The pull ring and the torn portion, and no inner cover, can simplify the structure of the outer cover and greatly reduce the production cost. In addition, the easy-to-fold cap on the outer cover can be set to two, can be broken off in several times, and it is convenient to use without disinfecting, and accordingly, the use cost of the product is also reduced. Sovereignty item 1. Press-fit mouthpiece cover for large infusion soft bag packaging, including a combination cover (1) and a mouthpiece (2), characterized in that the combination cover (1) is made of a disposable cap (11) Cover (12) and inner plug (14), wherein the easy-folding cap (11) is connected with the outer cover (12), the inner plug (14) is placed in the inner cavity of the outer cover (12), and the upper and lower end surfaces thereof are respectively provided with The engaging portion (13) cooperates with the outer cover (12) and the mouth tube (2), and the side wall of the outer cover (12) is provided with a sleeve which can cooperate with the boss (21) of the mouth tube (2). Department (24).
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