Large infusion soft bag packaging with a round plug double through the hole of the welded combination cover

Patent name: Large-infusion soft-bag packaging with welded joint cover with round plug and double-pass pinhole Patent applicant Hunan Qianshan Pharmaceutical Machinery Co., Ltd. Principal Applicant Address 410100 Inventor Liu Xianghua, Lijiang Road, Changsha Economic and Technological Development Zone, Hunan Province PENG Xun-de Application (patent) No. 200420068889.9 Application date 2004.10.12 Certification date Approval announcement No. 2742957 Approval announcement date 2005.11.30 Manual CD-ROM D0548 Main classification number A61J1/14 Classification No. A61J1/14 Division Original application No. The invention relates to a welding type combined cap with a round inner plug and a double piercing pinhole for a large infusion soft bag packaging, comprising a protective film, an inner plug, an outer cover and an inner cover. The inner cover is placed at the lower end of the inner cavity of the outer cover and the inner plug is The upper end of the inner cover is sleeved and placed on the upper end of the inner cavity of the outer cover, and the protective film is covered on the top surface of the outer cover. The feature is that the inner plug has a cylindrical structure, and the inner cover is provided with a concave portion corresponding to the two passing pin holes on the outer cover. An annular groove is provided on the upper end of the cover for a partitioning boss that can completely separate the annular groove on the inner plug. The inner cover part exposed by the outer cover of the utility model is sealed by a protective film, replaces the pull ring and the torn part of the original outer cover, the outer cover has no pull ring, the product cost can be reduced, and the protective film and the outer cover form two closed chambers. , can be split twice, reducing the cost of the product. At the same time, there are two partitioning bosses on the outer cover to completely separate the annular groove on the inner plug at the middle of the outer cover, which can ensure that the two passing pinholes do not pollute each other when used, and the inner plug and the inner cover are round and the products are reduced. Cost of production. Sovereignty item 1. Welded combination cover with double plugholes with round plugs for large infusion soft bag packaging, including protective film (1), inner plug (2), outer lid (3) and inner lid (4) The inner cover (4) is placed at the lower end of the inner cavity of the outer cover (3). The inner plug (2) is fitted with the upper end of the inner cover (4) and placed on the upper end of the inner cavity of the outer cover (3). The protective film (1) The utility model covers the top surface of the outer cover (3), characterized in that the inner plug (2) has a cylindrical structure, and a concave annular groove is provided at the corresponding position of the two through-holes (6) on the outer cover (3). The upper end of the cover (3) is provided with a partition boss (5) which can completely separate the annular groove on the inner plug (2). International Application International Publication Entering Country Date Patent Agency Hunan Zhao Hong Patent Office Agency Address Agent Fu Mei