Patent ID: 8231028
Filing Date: 2012-07-31
Classification: F16J,F17C,Y02E

Abstract:
1. A pressure-resistant container, comprising: an inner shell; an outer shell to cover the inner shell; a cylindrical mouth ring to penetrate the outer shell to be connected to an opening formed at the inner shell, a peripheral part of the opening at the inner shell covering an end surface of the mouth ring at an inner side of the container; a cylindrical pressing member screwed into an inner peripheral surface of the mouth ring; a first seal peripherally contacting with the inner peripheral surface of the mouth ring, which extends between the inner shell and the pressing member, and with a periphery of the opening of the inner shell in an integral manner; a valve having a screw part screwed into the inner peripheral surface of the mouth ring at an outer side of the container than the pressing member and having an inner end part inserted into a hole part of the pressing member; and a second seal for sealing between an outer peripheral surface of the inner end part and an inner peripheral surface of the pressing member.