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:
Aug. 18, 2009
Filed:
Dec. 15, 2005
Shinji Ooka, Hiratsuka, JP;
Yuji Tomitaka, Hiratsuka, JP;
Manabu Aihara, Hiratsuka, JP;
Shinya Matsumoto, Hiratsuka, JP;
Shinji Ooka, Hiratsuka, JP;
Yuji Tomitaka, Hiratsuka, JP;
Manabu Aihara, Hiratsuka, JP;
Shinya Matsumoto, Hiratsuka, JP;
Japan Crown Cork Co., Ltd., Tokyo, JP;
Abstract
A plastic cap comprising a top panel and a skirt hanging down from the peripheral edge of the top panel, the inner surface of the top panel forming an inner ring that forms a seal upon coming into intimate contact with the inner surface of the wall of the mouth of a container, and the inner surface of skirt forming a screw thread that comes into engagement with a screw thread formed on the outer surface of the wall of the mouth of the container, wherein a slender recessed portion is formed in a number of at least one in the inner surface of said inner ring extending upward from an end thereof. The cap features both excellent sealing and excellent venting.