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Browse by Category: Main > Material Science
Class Information
Number: 425/382.4
Name: Plastic article or earthenware shaping or treating: apparatus > Stock pressurizing means operably associated with downstream shaping orifice > Including restriction upstream of shaping orifice and downstream of primary pressurizing means
Description: Apparatus having a constriction upstream of the shaping orifice and downstream of the primary pressurizing means.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8702413 Intermittent flow extrusion apparatus Apr. 22, 2014
8684722 Thermoplastic pultrusion die system and method Apr. 1, 2014
8652555 Distiller grain pellet production methods Feb. 18, 2014
8453699 Method of and apparatus for molding glazing gasket onto multiplayer glass panel Jun. 4, 2013
8449283 Dies for forming extrusions with thick and thin walls May. 28, 2013
8287268 Distiller grain pellet production devices Oct. 16, 2012
8287262 Methods and apparatus for producing multiple food extrudates Oct. 16, 2012
8273276 Roller die preformer for wide extrusions Sep. 25, 2012
8211343 Method and assembly for extruding a rubber compound Jul. 3, 2012
8197243 Head assembly for use in a rotary head extruder for extruding a food product Jun. 12, 2012
8177542 Rotating nozzle die machine for extrusion of two or more types of dough May. 15, 2012
8177539 Device for melt spinning multicomponent fibers May. 15, 2012
8157555 Extrusion feed device for composite resin and composite resin mass Apr. 17, 2012
8123511 Decoupled transverse flow metering gap and lip gap Feb. 28, 2012
8105064 Multilayered film/sheet molding die Jan. 31, 2012
8092207 Decoupled transverse flow metering gap and lip gap Jan. 10, 2012
8025497 Method for manufacturing short fiber oriented rubber or synthetic resine and expansion die for extrusion molding Sep. 27, 2011
8002535 Method and assembly for extruding a rubber compound Aug. 23, 2011
7980841 Defined ratio dual-wall pipe die Jul. 19, 2011
7959426 Apparatus for producing a multi-layer parison having a layer of varying thickness Jun. 14, 2011
7883329 Device for the production of tubular pre-forms with asymmetrical annular pistons Feb. 8, 2011
7811073 Blow head for producing blown tubular film Oct. 12, 2010
7661949 Means for curving sausage links Feb. 16, 2010
7661941 Machine with vibratable section Feb. 16, 2010
7648352 Apparatus for imprinting lines on direct-expanded food products having complex shapes with improved dimensional quality Jan. 19, 2010
7648658 Alternate polymer extrusion method with reduced drool Jan. 19, 2010
7641462 Apparatus for producing multi-layer film Jan. 5, 2010
7594807 Twin-screw extruder Sep. 29, 2009
7588709 Casting device, solution casting apparatus and solution casting method Sep. 15, 2009
7504056 Extrusion molding system and method Mar. 17, 2009
7500842 Catheter molding apparatus Mar. 10, 2009
7491048 Extrusion die for extruding hollow profiles Feb. 17, 2009
7458798 Apparatus for extruding polymers employing microwave energy Dec. 2, 2008
7448864 Extruder head Nov. 11, 2008
7384259 Mechanism for adjusting a valve for regulating the flow of plastic to an extrusion die Jun. 10, 2008
7381042 Nozzle head for an extruder Jun. 3, 2008
7374416 Apparatus and method for controlled width extrusion of filamentary curtain May. 20, 2008
7318720 Die assembly and production process for profile extrusion Jan. 15, 2008
7318713 Polymer processing systems including screws Jan. 15, 2008
7296992 Multiple layer combining adapter Nov. 20, 2007
7276194 Method and apparatus for extruding a ceramic material Oct. 2, 2007
7264457 Flow distributor for die tooling of pipe mold equipment with remote extruder Sep. 4, 2007
7264460 Installation for preparing materials Sep. 4, 2007
7150848 Method and apparatus for regular division of molten extrusion flow Dec. 19, 2006
7108817 Die, especially for extruding green ceramic foils Sep. 19, 2006
7104778 International die deckle with flow control Sep. 12, 2006
7090480 Method and apparatus for molding ceramic sheet Aug. 15, 2006
7077639 Spiral-webbed mandrel Jul. 18, 2006
7077642 Plunger molding machine with tapered bore and thermal transfer fins Jul. 18, 2006
7052260 Polymer processing system including decompression chamber and method for using same May. 30, 2006

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