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Class Information
Number: 425/380
Name: Plastic article or earthenware shaping or treating: apparatus > Stock pressurizing means operably associated with downstream shaping orifice > Including auxiliary shaping means (e.g., mandrel, etc.) associated with molding orifice
Description: Apparatus including additional means operatively associated with the extruding orifice, either in, part of, or connected thereto, to impart a definite shape to the extruded product.


Sub-classes under this class:

Class Number Class Name Patents
425/381 Movable orifice or movable mounted inner mandrel within orifice 388


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7594807 Twin-screw extruder Sep. 29, 2009
7504056 Extrusion molding system and method Mar. 17, 2009
7500842 Catheter molding apparatus Mar. 10, 2009
7500847 Die for forming honeycomb structure and method of manufacturing the same Mar. 10, 2009
7491048 Extrusion die for extruding hollow profiles Feb. 17, 2009
7458798 Apparatus for extruding polymers employing microwave energy Dec. 2, 2008
7396223 Forming jig and method for producing formed body using same Jul. 8, 2008
7384258 Die for forming honeycomb structure, and method of manufacturing the same Jun. 10, 2008
7381042 Nozzle head for an extruder Jun. 3, 2008
7318720 Die assembly and production process for profile extrusion Jan. 15, 2008
7311510 Honeycomb forming die Dec. 25, 2007
7294301 Die assembly and method for forming honeycomb filters Nov. 13, 2007
7264457 Flow distributor for die tooling of pipe mold equipment with remote extruder Sep. 4, 2007
7214051 Device for manufacturing a double-walled thermoplastic pipe with a connecting sleeve May. 8, 2007
7201571 Method for extrusion and extrusion plant, in particular for production of bent extruded products Apr. 10, 2007
7198744 Preparation of co-extruded multi-layered rubber composite and use as component of a tire Apr. 3, 2007
7186110 Apparatus of making wedged plates Mar. 6, 2007
7175415 Moulding system, in particular a calibration die Feb. 13, 2007
7163389 Extrusion die for honeycomb extrusion molding and manufacturing method therefor Jan. 16, 2007
7163388 Method and apparatus for incorporating lumens into the wall of a tubular extrusion Jan. 16, 2007
7140865 Apparatus for making a corrugation-free foam Nov. 28, 2006
7131829 Spiral die assembly Nov. 7, 2006
7132124 Die for molding honeycomb structure and manufacturing method thereof Nov. 7, 2006
7104777 Pipe mold with compensation for pipe shrinkage Sep. 12, 2006
7101165 Extrusion molding apparatus for ceramic molded product Sep. 5, 2006
7101166 Apparatus for extruding ceramic molding Sep. 5, 2006
7097441 Annular co-extrusion die Aug. 29, 2006
7094047 Die for extrusion molding of honeycomb Aug. 22, 2006
7090479 Apparatus and method for manufacturing resin molded product Aug. 15, 2006
7077639 Spiral-webbed mandrel Jul. 18, 2006
7056110 Apparatus for making reinforcement ply material Jun. 6, 2006
7052260 Polymer processing system including decompression chamber and method for using same May. 30, 2006
7037098 Device for producing plastic pipes May. 2, 2006
6994817 Process and apparatus for the coextrusion of rubber mixtures Feb. 7, 2006
6994536 Die module for a crosshead extrusion system Feb. 7, 2006
6989119 Honeycomb extrusion dies Jan. 24, 2006
6979189 Apparatus and method for adjusting component features Dec. 27, 2005
6951233 Electrically conductive tire and apparatus and process for extruding elements which have been made conductive Oct. 4, 2005
6932591 Apparatus and method for co-extruding multi color plastics Aug. 23, 2005
6926858 Method and apparatus for regular division of molten extrusion flow Aug. 9, 2005
6926509 Apparatus for extruding tubing having a variable wall thickness Aug. 9, 2005
6910875 Device for producing an unvulcanized rubber member for tire manufacturing Jun. 28, 2005
6905642 Method and continuous production line of plastic tubes with bi-axial drawing, and resulting plastic tube Jun. 14, 2005
6905325 Pipe mold with compensation for pipe shrinkage Jun. 14, 2005
6905324 Interface control Jun. 14, 2005
6902385 Blown-film extrusion die Jun. 7, 2005
6881050 Food forming apparatus Apr. 19, 2005
6877976 Molding die for ribbed pipe Apr. 12, 2005
6866494 Device for producing a two-part tire layer Mar. 15, 2005
6866495 Apparatus for manufacturing tread bands for vehicle tires Mar. 15, 2005

1 2 3 4 5 6 7 8


 
 
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