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Class Information
Number: 425/133.5
Name: Plastic article or earthenware shaping or treating: apparatus > Means feeding fluent stock from plural sources to common shaping means to form composite product > Extrusion shaping means > For extruding film
Description: Apparatus wherein the orifice is particularly adapted to the formation of a planar "film".

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8679290 Exfoliation of graphene by multilayer coextrusion Mar. 25, 2014
8641946 Extrudate having capillary channels Feb. 4, 2014
8523551 Unvulcanized rubber extruder and process for producing unvulcanized rubber Sep. 3, 2013
8476400 Dendritic oxygen scavenging polymer Jul. 2, 2013
8460588 Cross directional zoned bicomponent films, film laminates, and systems and methods for manufacture of the same Jun. 11, 2013
8388331 Liquid flow converging device and method of manufacturing multi-layer film Mar. 5, 2013
8349155 Cation exchange membrane, production process thereof and electrolytic cell using the same Jan. 8, 2013
8287788 Method for the continuous production of thermoplastically-processable polyurethane elastomers Oct. 16, 2012
8273276 Roller die preformer for wide extrusions Sep. 25, 2012
8226391 Micro-extrusion printhead nozzle with tapered cross-section Jul. 24, 2012
8215940 Layer multiplying apparatus Jul. 10, 2012
8182888 Oxygen scavenging polymers May. 22, 2012
8117983 Directional extruded bead control Feb. 21, 2012
8109229 Spreading head particularly for spreading one or more adhesives or mixtures of adhesives Feb. 7, 2012
8105064 Multilayered film/sheet molding die Jan. 31, 2012
8092731 Method for producing a thermoplastic plastic film, film and use thereof Jan. 10, 2012
8062017 Splice bar for tire tread extrusion apparatus Nov. 22, 2011
8016580 Assembly and a method for extruding a tire component Sep. 13, 2011
7985315 Process for producing unstretched film, process for producing resin-coated metal sheet, and apparatus for producing unstretched film Jul. 26, 2011
7976926 Plastic co-extrusion apparatus with selectable polymer flow control and product produced using the apparatus Jul. 12, 2011
7946835 Casting device, solution casting apparatus, and solution casting method May. 24, 2011
7922471 Extruded structure with equilibrium shape Apr. 12, 2011
7862755 Constant shear rate extrusion die Jan. 4, 2011
7858006 Apparatus and method for manufacturing laminated sheet Dec. 28, 2010
7780812 Extrusion head with planarized edge surface Aug. 24, 2010
7700019 Co-extrusion manufacturing process of thin film electrochemical cell for lithium polymer batteries and apparatus therefor Apr. 20, 2010
7690908 Method and apparatus for forming high strength products Apr. 6, 2010
7674412 Method and apparatus for forming resin film Mar. 9, 2010
7641462 Apparatus for producing multi-layer film Jan. 5, 2010
7568902 Bitumen bale capsule, capsule dispenser, and bale strip former for viscous bitumen products Aug. 4, 2009
7524447 Method for manufacturing formable thermoplastic laminates Apr. 28, 2009
7494331 Method and apparatus for forming resin film Feb. 24, 2009
7384254 Coextrusion adapter Jun. 10, 2008
7357890 Apparatus and method for extruding a multilayered structure Apr. 15, 2008
7311505 Apparatus for manufacturing rubber strip Dec. 25, 2007
7309223 Extrusion head device Dec. 18, 2007
7281917 Extrusion/reaction injection molding system Oct. 16, 2007
7186102 Apparatus and method for low-density cellular wood plastic composites Mar. 6, 2007
7172403 Apparatus for preparing a gypsum wallboard core Feb. 6, 2007
7156635 Multi-layer food product system and process Jan. 2, 2007
7147449 Device for the production of an extruded profile Dec. 12, 2006
7090479 Apparatus and method for manufacturing resin molded product Aug. 15, 2006
7005180 Optically isotrophic polycarbonate films and a method for the production thereof Feb. 28, 2006
6994817 Process and apparatus for the coextrusion of rubber mixtures Feb. 7, 2006
6966763 Arrangement for making a belt made of plasticatable material Nov. 22, 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
6926512 Apparatus for extruding foamed polypropylene sheet having improved surface appearance Aug. 9, 2005
6905324 Interface control Jun. 14, 2005
6875517 Composite shape part containing polyarylene sulfide and silicon rubber Apr. 5, 2005

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