摘要 |
Continuous or non-continuous extrusion or coextrusion of a preform (6) is performed simultaneously with, but separate from, preform suction blowing stage to increase efficiency. An Independent claim is made for the process equipment which comprises a two part tool(8) with slides(24,25) closing the ca ends and an extrusion head(2) from preforms are removed and fed to the molding cavity(20) by a tube feeder(10). |