Patent Number: 6,168,750

Title: System and method for preforming an extruded parison

Abstract: The invention relates to a system for preforming an extruded plastics parison including a nonplanar conveyor belt. It also relates to a method for preforming an extruded parison, including a step during which the parison is deposited on a conveyor belt. The conveyor belt is not planar. This step may be accompanied by a step in which the parison undergoes transverse deformation. The invention also relates to a method of manufacturing at least one article, including such a preforming step.

Inventors: Van Schaftingen; Jules-Joseph (Wavre, BE), Dupont; Serge (Vilvoorde, BE)

Assignee: Solvay, S.A. (Societe Anonyme)

International Classification: B29C 31/08 (20060101); B29C 31/04 (20060101); B29C 47/00 (20060101); B29C 49/42 (20060101); B29C 49/04 (20060101); B29L 049/04 ()

Expiration Date: 01/02/2018