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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:
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Patent Number Title Of Patent Date Issued
5766642 Apparatus for manufacturing granulated material Jun. 16, 1998
5762975 Die head fitted to the outlet of an extruder Jun. 9, 1998
5744092 Axially movable cluster conduits for plastic processing in a screw machine Apr. 28, 1998
5679387 Internal deckle system Oct. 21, 1997
5674440 Die head with adjustable mandrel and method Oct. 7, 1997
5656223 Windshield molding for vehicles and the production method thereof Aug. 12, 1997
5651935 Spiral die and laminate production method using same Jul. 29, 1997
5648104 Extrusion die Jul. 15, 1997
5645873 Electromechanical drive assembly for an accumulator head Jul. 8, 1997
5641529 Extrusion apparatus and method for producing three-dimensional shapes Jun. 24, 1997
5609887 Apparatus for producing granular material including a belt formed of elastically joined links Mar. 11, 1997
5603965 Apparatus for co-distributing confection products Feb. 18, 1997
5601857 Extruder for extrusion manufacturing Feb. 11, 1997
5591458 Apparatus for manufacturing granulated material Jan. 7, 1997
5582850 Internal deckle position control Dec. 10, 1996
5576032 Extrusion die with interchangeable extrusion nozzles Nov. 19, 1996
5571461 Process for extruding a polymer onto a glazing Nov. 5, 1996
5567449 Automobile windshield molding and the method of producing the same Oct. 22, 1996
5567493 Die for extrusion of multi-hole tube and multi-hole tube made with the die Oct. 22, 1996
5562875 Handling system and method for curved extrusions Oct. 8, 1996
5547358 Devices for making artificial egg yolks in the form of discs Aug. 20, 1996
5536459 Method of manufacturing long elastic member made of vulcanized rubber Jul. 16, 1996
5518749 High-speed extrudate weaving assembly and methods May. 21, 1996
5511964 Apparatus for the production of plastic pipes Apr. 30, 1996
5511962 Extrusion die Apr. 30, 1996
5511965 Apparatus for extruding tubing having a variable outer diameter Apr. 30, 1996
5505887 Extrusion process for manufacturing PTFE products Apr. 9, 1996
5505609 Internal deckle system Apr. 9, 1996
5500170 Heating and extruding method and device for bulk preform Mar. 19, 1996
5499869 Device for adjusting the pressure of the plastic material in a screw extruder Mar. 19, 1996
5489409 Method of making a window frame and a window panel with a window frame Feb. 6, 1996
5486325 Seal molding method and device Jan. 23, 1996
5486333 Blow molding extrusion die with rectangular slots Jan. 23, 1996
5484498 Molded article and method and apparatus for making same Jan. 16, 1996
5480598 Process of and apparatus for making hollow fibers Jan. 2, 1996
5474729 Method of producing an automobile windshield molding Dec. 12, 1995
5468438 Production method of molding strips Nov. 21, 1995
5468137 Apparatus for extruding a viscous material Nov. 21, 1995
5466402 Gap adjustment of a plastic flow channel in a plastic part forming device Nov. 14, 1995
5460504 Storage head for a blow molding machine Oct. 24, 1995
5456869 Deckle piston compression and adjustment mechanism Oct. 10, 1995
5451357 Apparatus and process for composite extrusion with width adjustment Sep. 19, 1995
5447670 Method of and apparatus for forming weather strip by extrusion Sep. 5, 1995
5435964 Parison forming method and apparatus therefor Jul. 25, 1995
5417561 Apparatus for manufacturing of ultra high molecular weight polyethylene thin wall pipe May. 23, 1995
5415534 Apparatus for production of layered extruded articles May. 16, 1995
5413746 Method for molding shaped products and an apparatus for carrying out same May. 9, 1995
5366680 Annular gap extruder Nov. 22, 1994
5356282 Blow molding extrustion head Oct. 18, 1994
5346384 Apparatus for the production of plastic pipes Sep. 13, 1994

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