The Shape Of Glass Gobs

The correct shape of glass gobs has an important role in the distribution of the glass in the container during its forming with IS machines. If we want to have the correct composition and good thermal conductivity of the glass in the forehearth and inside the feeder mechanism, the gob must be created with the correct shape, weight and length that are suitable for the container being produced. This article provides a detailed, graphic explanation of how glass gobs are shaped and formed and comes up with suggestions for improvements of fundamental features to improve the shape of the glass gob.