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Class Information
Number: 425/378.1
Name: Plastic article or earthenware shaping or treating: apparatus > Stock pressurizing means operably associated with downstream shaping orifice > Including heating or cooling means
Description: Apparatus having means to heat or to cool the fluent stock.

Sub-classes under this class:

Class Number Class Name Patents
425/379.1 Plural spaced 180
425/378.2 Spinneret 153

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

Patent Number Title Of Patent Date Issued
8652555 Distiller grain pellet production methods Feb. 18, 2014
8580175 Continuous curing and post-curing method Nov. 12, 2013
8523552 Device and method for cooling an extruded plastic profile Sep. 3, 2013
8430658 Method and apparatus for making frozen comestibles Apr. 30, 2013
8388874 Hot-melt molding apparatus Mar. 5, 2013
8287268 Distiller grain pellet production devices Oct. 16, 2012
8210839 Multicolor gelatin ribbons and manufacture of soft gelatin products Jul. 3, 2012
8157557 Rotary die head of film blowing machine for starch biodegradable material Apr. 17, 2012
8113811 Manufacturing nanocomposites Feb. 14, 2012
8075295 Alignable cooling plug for extruder Dec. 13, 2011
8057207 Method and apparatus for making frozen comestibles Nov. 15, 2011
7922471 Extruded structure with equilibrium shape Apr. 12, 2011
7897074 Liquefier assembly for use in extrusion-based digital manufacturing systems Mar. 1, 2011
7832998 Controlled skin formation for foamed extrudate Nov. 16, 2010
7798796 Pipe extruding system with cooling plug separation Sep. 21, 2010
7789649 Device for extruding hollow strands Sep. 7, 2010
7780430 Mandrel, and apparatus and process for resin film production with mandrel Aug. 24, 2010
7771635 Melt cooler and valving system for an underwater pelletizing process Aug. 10, 2010
7753666 Apparatus and method for cooling plastic film tube in blown film process Jul. 13, 2010
7731879 Extrusion of peroxide crosslinkable polymer parts Jun. 8, 2010
7699596 Apparatus for lowering energy consumption of a polymer compounding process Apr. 20, 2010
7691317 Method and device for manufacturing a double-walled, thermoplastic tube with a connecting sleeve Apr. 6, 2010
7654813 High capacity extrusion die assembly Feb. 2, 2010
7648358 Plastic pellet forming apparatus Jan. 19, 2010
7632086 Melt fracture reduction Dec. 15, 2009
7530730 Heat exchanging mechanism for a cylinder of an extruder May. 12, 2009
7524177 Pipe molding system with vacuum and temperature controls of cooling plugs Apr. 28, 2009
7524179 Center heated die plate with two heat zones for underwater pelletizer Apr. 28, 2009
7458798 Apparatus for extruding polymers employing microwave energy Dec. 2, 2008
7411163 Device for providing a melt Aug. 12, 2008
7402034 Center heated die plate for underwater pelletizer Jul. 22, 2008
7320585 Device for the hot granulation of thermoplastic polymers Jan. 22, 2008
7318720 Die assembly and production process for profile extrusion Jan. 15, 2008
7275927 Multi-channel cooling die Oct. 2, 2007
7195471 Blowing head for extruding films, comprising clamping elements containing ducts for cooling air Mar. 27, 2007
7186102 Apparatus and method for low-density cellular wood plastic composites Mar. 6, 2007
7168934 Installation for producing cables Jan. 30, 2007
7144543 Method and device for producing plastic profiles Dec. 5, 2006
7140855 Inner mandrel Nov. 28, 2006
RE39399 Segmented die for applying hot melt adhesives or other polymer melts Nov. 14, 2006
7125235 Pressurized plate-heated material die and method of constructing a pressurized plate-heated die Oct. 24, 2006
7118362 Pellet-type foams of non-crosslinked polypropylene resin having lower melting point and process and device for producing the same and molded foams therefrom Oct. 10, 2006
7108495 Apparatus for continuous forming shaped polymeric articles Sep. 19, 2006
7090480 Method and apparatus for molding ceramic sheet Aug. 15, 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
7018187 Apparatus for smoothing and cooling a synthetic resin web produced by a slit nozzle Mar. 28, 2006
7018191 Plastics extruder dimension and viscosity control system Mar. 28, 2006
7014447 Extruder for welding plastic components Mar. 21, 2006
7008203 Device for granulating a thermoplastic, which is extruded from nozzles Mar. 7, 2006
7005161 Vapor deposition of solid oligomers Feb. 28, 2006

1 2 3 4 5 6 7 8

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