The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 19, 2001
Filed:
Jan. 19, 2000
Yoshino Kogyosho Co., Ltd., Tokyo, JP;
Abstract
The present invention provides an inner plug easily removable from a neck of a container, and a cap for covering the inner plug. The inner plug comprises an engaging portion to be fitted to a neck of the container, a threaded cylinder and a lip cylinder connected to said threaded cylinder. The engaging portion comprises an inner cylinder, an outer cylinder and a shoulder wall. The threaded cylinder is arranged on the inner cylinder. The cap has a side cylinder to be engaged with said threaded cylinder of said inner plug, and a cover cylinder covering said shoulder wall and said outer cylinder. The cover cylinder has a diameter larger than a diameter of said side cylinder. The outer cylinder is provided with a cut portion. The shoulder wall is provided with a cut portion connecting to said cut portion of the outer cylinder. The shoulder wall is provided on a lower surface thereof with a tear off groove along the outer cylinder. The groove is connected to said cut portion of the shoulder wall. Also, a jig for holding an inner plug unrotatably is provided.