Battenfeld Gloucester Engineering Co. in Gloucester, Mass., expects to have nine-layer blown film equipment permanently installed in its lab by year’s end.
Battenfeld Gloucester Engineering Co. in Gloucester, Mass., expects to have nine-layer blown film equipment permanently installed in its lab by year’s end. Gloucester, which sold its first nine-layer die in 1997, typically has had one available for trials only briefly before delivering it to a customer. The 16-in. diam. die being built specifically for the lab features newly developed round (instead of D-shaped) feed holes into the spirals. Round feed holes, made by a new machining technique, are said to prevent material hang-up. Two 2-in. extruders will be added to Gloucester’s existing seven-layer lab line.