Patent ID: 6530401
Filing Date: 2003-03-11
Classification: B65B,Y10S

Abstract:
An apparatus for preserving the contents of a part-filled beverage bottle with a stopper for the beverage bottle, comprising:an inlet channel and an inlet valve which is arranged therein and which is a closed non-return valve when at rest; a charging device which is provided with a charge head for connection to a gas source, to which charge head the stopper can be communicatingly coupled and by means of which charging device a gas can be introduced into the beverage bottle via the charge head through the inlet valve of the stopper, the charge head opening the inlet valve when the stopper is coupled; the stopper including an outlet channel and an outlet valve which is arranged therein and which is a closed non-return valve when at rest, wherein the charge head is equipped for opening the outlet valve when the stopper is coupled; in the charge head, a venting channel which can be closed via a vent valve is communicatingly connected to the outlet channel of the stopper when the stopper is coupled to the charge head; and a control which, during or after the coupling of the stopper to the charge head, opens the outlet valve for a first time span, such that an interior of the beverage bottle is connected with an exterior via the outlet channel, the venting channel and the vent valve.