Retractable food and medicine packaging containers

Patent name Patent applicant for retractable foods and pharmaceutical packaging containers Zhou Shengen Principal applicant Address 100081 No. 363, West 8th Floor, Ministry of Railways Science Research Institute, Haidian District, Beijing, China Inventor Zhou Shengen Application (Patent) No. 200420112178.7 Application Date 2004.11.01 Certification Date Approval Announcement No. 2748395 Auditing Notice Day 2005.12.28 Manual CD No. D0552 Main Classification No. B65D21/08 Classification No. B65D21/08; A45F3/20 Sub-item Original Application No. Priority Item Abstract A retractable food and medicine packaging container, which includes Membrane, endometrium, spring, and endometrium are vessels with bottom, side wall, and top opening made of soft material. The shape of the outer membrane is corresponding to that of the endocardium. The outer membrane is made of soft material and the outer membrane is Outside the inner membrane, the spring is located in the gap between the inner membrane and the outer membrane. The upper and lower edges of the outer membrane are respectively connected with the upper and lower edges of the inner membrane, and the spring is contained between the inner membrane and the outer membrane; An upper lid is attached to the upper edge of the membrane and the inner membrane. The packaging container of the utility model has a small volume in the compressed state and can be used as a package for food or medicine. In the unfolded state, it becomes a cup-shaped or barrel-shaped container having a certain strength and can be used for containing liquids and conforms to Hygienic cleaning requirements. Sovereignty item 1. A retractable food and medicine packaging container, which is characterized in that it comprises an outer film, an inner film, a spring, and the inner film is a container with a bottom, a side wall and an open top, which is made of a soft material. The shape of the membrane corresponds to that of the endocardium. The outer membrane is made of a soft material. The outer membrane is placed on the outside of the endocardium. The spring is located in the gap between the intima and the adventitia. The top and bottom edges of the adventitia are respectively associated with the endometrium. The upper and lower rims are connected to enclose the spring between the inner and outer membranes. International Application International Announcement Date of Entry into the Country Patent Agency Institutional Address of Beijing Vanke Park Intellectual Property Agency Co., Ltd. Agent Zhang Yajun Li Jingnan

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