Self-opening and closing device for container closures for composite packaging or for sealing with film material

Patent Name: Self-opening/closing device for container nozzles for composite packaging or for sealing with film material Patent Applicant SIG Technology Co., Ltd. Principal Applicant Address Inventor of Rhine Falls, Switzerland Mario Wester Application (Patent) No. 03812134.4 Application date 2003.05.22 Certification date Approval announcement number 1655991 Validation announcement date 2005.08.17 Instruction CD-ROM number D0533 Main classification number B65D5/74 Classification number B65D5/74 Division Original application number Priority item 2002.5.31 CH 917/2002 Abstracts The opening and closing device includes a nozzle (2) having a protruding lower rim (9) molded or bonded to a composite package, an associated rotating cap (1), and a nozzle (1) disposed at the nozzle (1). 2) Self-opening sleeve (3) inside. The self-opening sleeve (3) can be rotated by rotating the cap (1). The inner side of the spout (2) is provided with four guide webs arranged on its inner circumference with varying inclinations. These guide webs interact with guide ribs, in particular formed on the outer wall of the opening sleeve (3), and when they are continuously rotated in the spout (2) and guided on the guide ribs, the above mutual The action causes a non-uniform downward movement from the opening sleeve (3) which is superimposed on its rotational movement. Therefore, in the downward movement of the steep and steep thread, the end of the piercing mandrel (24) from the opening sleeve (3) is first pierced by a stack of paper or cardboard, after which a total of about 340° is achieved. The horizontal rotational movement, at the same time, it cuts a disc from the stack with its sharp cutting edge, after which it is pivoted downward and held in this position. Sovereignty Items 1. Self-opening and closing devices for composite packaging and container spouts for sealing with film material, including a spout (2) for nozzles mounted on a composite package or a container sealed with film material. A related rotary cap (1), and a self-opener (3) arranged inside the nozzle (2), said self-opener (3) being rotatable by means of a rotary cap (1), characterized by The inner side of the port (2) is provided with at least two guide webs (20) arranged around its inner circumference and having a variable inclination lead, such that the sleeve-shaped self-opener (3) is arranged on its outer side with at least two Guide ribs (12), each guide rib having a guide surface (15), which is implemented while being continuously rotated within the nozzle (2) under the guidance of the guide surface (15) at the guide web (20) A discontinuous downward movement. International Application PCT/CH2003/000328 2003.5.22 International Announcement WO2003/101843 De 2003.12.11 Date of Entry into the Country Patent Agency Beijing Jinxin United Intellectual Property Agency Co., Ltd. Agency Address Agent Nanxun