Twisted anti-counterfeit wine bottle cap

Patent Name A twisted type anti-counterfeiting bottle cap patent applicant Ye Yu main applicant address 312365 Zhejiang Shangyu Lihai Township Tantou Village Shangyu Aluminum Packing Co., Ltd. inventor Ye Hao Application (Patent) No. 200420036829.9 Date of Application 2004.06 .15 Approval Date Approval Notice No. 2723362 Auditing Notice Day 2005.09.07 Instruction CD-ROM D0536 Main Classification Number B65D41/32 Classification No. B65D41/32; B65D49/12; B65D55/02 Sub-division Original Application No. Priority Abstracts Disclosed is a twisted-off security bottle cap, which comprises an inner cover, a connection cover, an inner plug and a jacket. The inner cover and the connection cover are fixed by threads, and the outer jacket is covered on the outer side of the inner cover and the connection cover. In the corresponding position of the joint between the inner cover and the outer surface of the connecting cover, there is a circle of score lines along the circumference, the outer sleeve is gradually inwardly recessed along the score line, the score line is the end point of the inward depression, and the inner cover is located near the score line of the outer sleeve. Also gradually inwardly recessed, the inner cover extends in the direction of the connecting cover at the position of the score line of the outer cover, and the extended portion of the inner cover projects outward. In the above structure, when the bottle cap is screwed into the bottle, the extension of the inner cap is outside the jacket, and it is easy to distinguish whether the bottle cap has been opened or not, which has a good anti-counterfeiting effect. In addition, after the bottle is opened, the extended portion of the inner cover blocks the hair teeth of the broken score line, and plays a role in safety. Sovereignty item 1. A twist-off type security wine bottle cap comprising an inner lid (1), a connecting lid (2), an inner plug (3) and an outer sleeve (4), said inner lid (1) and a connecting lid ( 2) Secured by threads, the jacket (4) covers the outside of the inner lid (1) and the connecting lid (2), the outer surface of the inner lid (1) and the connecting lid (2) Corresponding positions of the joints have a circle of score lines (5) along the circumference, which is characterized in that the sleeve (4) is gradually inwardly recessed near the score line (5), and the score line (5) is the end point of the inward recess; The inner lid (1) is also gradually inwardly recessed near the score line (5) of the outer sleeve (4), and the inner lid (1) is directed toward the connecting lid at the position of the score line (5) of the outer sleeve (4) ( 2) The direction is extended, and the extension (6) of the inner lid (1) is outwardly convex. International Application International Publication Entering Country Date Patent Agency Hangzhou Hangcheng Patent Office Co., Ltd. Agency Address Agent Qiu Shunfu