Patent ID: 7341078

Claim:
An automatic bulk filling process for simultaneously filling liquid containers which comprises the steps of: a) placing a plurality of open-topped liquid containers upside down in a rack, b) inserting said rack into a vacuum chamber, c) positioning said rack directly above a tray containing a liquid medicinal product, d) evacuating said vacuum chamber to a predetermined level below atmospheric pressure, e) reducing the pressure within said vacuum chamber with a first vacuum pump and a second vacuum pump with each having a different capacity, and two buffer tanks with each having an inlet valve and an outlet valve for quickly reaching the desired vacuum level of the process, f) lowering said rack until said containers are partially immersed in said liquid product, g) introducing nitrogen into said vacuum chamber at a predetermined gradual rate, thereby forcing said medicinal liquid product into said containers, h) raising said rack from said tray containing said liquid medicinal product, and i) removing said rack with filled containers as another rack full of containers is simultaneously inserted into said vacuum chamber.