Assignee
KORTEC INC
US10 patents
Top patents by PatentIndex Score
US6596213B2Jul 22, 2003
Method of molding multi-layer polymer plastic articles with control of relative shifting of the core layer
KORTEC INC85 citations97
US5914138AJun 22, 1999
Apparatus for throttle-valving control for the co-extrusion of plastic materials as interior core streams encased by outer and inner streams for molding and the like
KORTEC INC94 citations97
US6187241B1Feb 13, 2001
Method of throttle-valving control for the co-extrusion of plastic materials
KORTEC INC26 citations92
US7399442B2Jul 15, 2008
Multilayer molding using temperature adjustment of flow rate in conjunction with shooting pot technology
KORTEC INC22 citations91
US7306446B2Dec 11, 2007
Co-injection nozzle with improved interior layer termination
KORTEC INC28 citations91
US7517480B2Apr 14, 2009
Automatic process control for a multilayer injection molding apparatus
KORTEC INC20 citations90
US6908581B2Jun 21, 2005
Optimized flow to prevent core layer breakthrough
KORTEC INC33 citations90
US9221204B2Dec 29, 2015
Techniques to mold parts with injection-formed aperture in gate area
KORTEC INC12 citations84
US9493269B2Nov 15, 2016
Non-symmetric multiple layer injection molded products and methods
KORTEC INC1 citations63
US6649101B2Nov 18, 2003
Method for using a sprue to reduce the size of a core layer hole in an injection molding process by terminating an injection stream within the sprue
KORTEC INC11 citations59