Patent ID: 7527162
Filing Date: 2009-05-05
Classification: B67B,C03B

Abstract:
1. A method for closing an already filled hollow glass body provided with a substantially cylindrical filling neck, said filling neck being closed by a melting process once the hollow body has filled, the method comprising: inserting a glass closing plug in the filling neck to drive out at least part of the air volume located above the filling level of the hollow body, the glass plug including a radially projecting flange provided at a substantially middle portion in a longitudinal direction thereof, whose outer diameter corresponds to the outer diameter of the filling neck and has a circumferentially extending centering bevel on the side facing the filling neck, an area of the glass plug projecting into the filling neck has an outer diameter which corresponds essentially to the inner diameter of the filling neck, and an external portion of the glass plug extends in the longitudinal direction above the flange and has an outer diameter which corresponds essentially to the outer diameter of the filling neck; and fusing the substantially middle portion of the plug with a top end of the filling neck at a circumference thereof.