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Browse by Category: Main > Material Science
Class Information
Number: 425/381
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 > Movable orifice or movable mounted inner mandrel within orifice
Description: Apparatus which comprises (1) auxiliary shaping means (e.g., a shaping mandrel) movably mounted within the confines of the orifice means, or (2) means supporting an orifice means to provide movement thereof.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7153119 Apparatus for extruding food dough Dec. 26, 2006
7134308 Extrusion press tool for producing a cylindrical body consisting of a plastic mass Nov. 14, 2006
7108817 Die, especially for extruding green ceramic foils Sep. 19, 2006
7104778 International die deckle with flow control Sep. 12, 2006
7101167 Method and a device for manufacturing a tool and a tool made by the method Sep. 5, 2006
7074030 Scraping assembly for an extrusion die and method of use therefor Jul. 11, 2006
7074027 Extrusion die and method for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core Jul. 11, 2006
6991448 Apparatus for extruding honeycomb bodies Jan. 31, 2006
6979188 Extrusion head for producing a plastic strand in the form of a flexible or rigid tube Dec. 27, 2005
6966765 Rotating circular die Nov. 22, 2005
6953333 Extruder head Oct. 11, 2005
6932591 Apparatus and method for co-extruding multi color plastics Aug. 23, 2005
6926512 Apparatus for extruding foamed polypropylene sheet having improved surface appearance Aug. 9, 2005
6902388 Pivotally adjustable die Jun. 7, 2005
6896504 Nozzle arrangement, nozzle carrier and device for extruding doughy substances May. 24, 2005
6890169 Universally mounted adjustable die May. 10, 2005
6830444 Extrusion die for biodegradable material with die orifice modifying device and flow control device Dec. 14, 2004
6808380 Hardness taper tube and production method and device therefor Oct. 26, 2004
6805543 Nozzle arrangement, nozzle carrier and device for extruding doughy substances Oct. 19, 2004
6799961 Device for adjusting a gap Oct. 5, 2004
6787092 Pipe extrusion die for multi-layer pipe Sep. 7, 2004
6773249 Extrusion head Aug. 10, 2004
6769899 Independent X/Y flow adjustable extrusion die Aug. 3, 2004
6755638 Apparatus for producing continuous extrusion molding Jun. 29, 2004
6712595 Nozzle holder and device for extruding dough materials Mar. 30, 2004
6709255 Nozzle arrangement, nozzle holder and device for extruding dough materials Mar. 23, 2004
6706229 Molding method of molded surface fastener, molded surface fastener manufactured by the method, and molding apparatus thereof Mar. 16, 2004
6669458 Extrusion die with rotating components Dec. 30, 2003
6663375 Dual flexible lip extrusion apparatus with pivoting actuation member Dec. 16, 2003
6644952 Rotating extruder nozzle structure Nov. 11, 2003
6626206 Feedblock for adjusting the dimensions of a set of co-extruded layers of a multi-layer sheet Sep. 30, 2003
6626660 Apparatus for production of twisted baked goods Sep. 30, 2003
6612829 Extrusion die Sep. 2, 2003
6610231 Molding method for a surface fastener Aug. 26, 2003
6585923 Extrusion method and extruder Jul. 1, 2003
6572357 Apparatus for manufacturing monolithic cross flow particulate traps Jun. 3, 2003
6561783 Extruding machine for making multi-color mesh belts May. 13, 2003
6551089 Extrusion head with spiral-channel distributor element Apr. 22, 2003
6530765 Apparatus for manufacturing expanded polytetrafluoroethylene products Mar. 11, 2003
6474966 Slot die for producing webs of a foamed plastic material Nov. 5, 2002
6450796 Rotating nozzle die machine for dough extrusion Sep. 17, 2002
6447279 Extrusion die with rotating components Sep. 10, 2002
6405643 Cream depositors Jun. 18, 2002
6382944 Universally mounted adjustable die May. 7, 2002
6367776 Flow control device and apparatus for mounting same Apr. 9, 2002
6354828 Extrusion head for blow molded extruded plastic containers Mar. 12, 2002
6322347 Methods for manufacturing foam material including systems with pressure restriction element Nov. 27, 2001
6309201 Die for tubular film extrusion Oct. 30, 2001
6309574 Extrusion of high molecular weight polymers Oct. 30, 2001
6296465 Extrusion die assembly for obtaining differently shaped products Oct. 2, 2001

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