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:
Mar. 02, 1982
Filed:
Sep. 16, 1980
Michio Nakayama, Tokyo, JP;
Other;
Abstract
A bottle opener comprises a bomb; a cylindrical body encasing the bomb; a needle mounted on the cylindrical body; a cylinder wherein are disposed an air flow path for guiding the gas released from the bomb to the needle, a piston having a valve for opening and closing the air flow path, a bomb needle for breaking through a gas outlet port of the bomb, and a variety valve; a lid body mounted on the cylinder; a handle pivotably mounted on the lid body for operating the piston; and airtight sealing members for forming airtight seals between the handle, the cylindrical body, the bomb, the piston and the cylinder. The bottle opener can be used a plurality of times with a single bomb and is capable of withstanding use over a long period of time in safe and without leakage.