Patent ID: 9221209
Filing Date: 2015-12-29
Classification: B29C,B29K,Y10T

Abstract:
1. A process for the manufacture of an extrusion blow molded container with a recessed neck comprising the steps of: a) extruding a parison from a die; b) mold set in an open position with movable inserts in molding and pinching position; c) mold moving to capture the parison; d) mold engaging of blow air mechanism; e) mold holding until end of blow air cycle; f) first phase actuation of movable inserts providing clearance for subsequent phase(s) motions; g) subsequent phase(s) movable inserts actuation(s), finally providing a clearance for a container's undercut features to be removed from mold wherein a physical geometry creates more than one undercut; h) opening of mold for part removal; i) movement of inserts to return to a molding and pinching position; j) re-starting of a cycle,