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:
Jan. 06, 2026
Filed:
Dec. 25, 2020
Daikyo Seiko, Ltd., Sano, JP;
Takayuki Yoshida, Sano, JP;
DAIKYO SEIKO, LTD., Sano, JP;
Abstract
To provide a plastic cap that can be smoothly applied to either a synthetic resin or glass pharmaceutical container, which can maintain airtightness with no rotation of a rubber stopper when applied to a mouth portion of the pharmaceutical container capped with the rubber stopper. Provided is a plastic cap attached to a pharmaceutical container, and the cap includes a top surface portion having an opening at the center thereof, a cylindrical skirt portion extending downward from an outer periphery of the top surface portion and opening at a lower end, and an inner cover inside the skirt portion, in which a coefficient of friction between the inner cover and the rubber stopper is higher than a coefficient of friction between the inner cover and the cap.