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Class Information
Number: 425/380
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
Description: Apparatus including additional means operatively associated with the extruding orifice, either in, part of, or connected thereto, to impart a definite shape to the extruded product.

Sub-classes under this class:

Class Number Class Name Patents
425/381 Movable orifice or movable mounted inner mandrel within orifice 416

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

Patent Number Title Of Patent Date Issued
8702410 Device for cooling plastic profiles Apr. 22, 2014
8684719 Die tooling for extruding tubular product Apr. 1, 2014
8641396 Spiral distributor, die head, blown film line, and method for manufacturing a blown film Feb. 4, 2014
8641397 Spiral distributor, die head, blown film line, and method for manufacturing a blown film Feb. 4, 2014
8617330 Process and installation for the production of stiff recyclable sandwich-type polymeric panels, without the use of adhesives, and the panel produced Dec. 31, 2013
8562320 Resin molding device Oct. 22, 2013
8556615 Die for forming honeycomb structure and manufacturing method of the same Oct. 15, 2013
8496460 Pipe extrusion die flow path apparatus and method Jul. 30, 2013
8491295 Die assembly and method of extruding cellular ceramic substrates with a skin Jul. 23, 2013
8449283 Dies for forming extrusions with thick and thin walls May. 28, 2013
8435025 Honeycomb extrusion die apparatus May. 7, 2013
8430727 Device for producing blown films Apr. 30, 2013
8419408 Extrusion mold for non-pneumatic multi-hole hollow tire Apr. 16, 2013
8398390 Die for forming honeycomb structure Mar. 19, 2013
8371835 Mold for extrusion forming of ceramic articles Feb. 12, 2013
8360763 Blown film extrusion device Jan. 29, 2013
8353695 Die for forming honeycomb structure Jan. 15, 2013
8348659 Apparatus and method for forming skin on a ceramic body by extrusion Jan. 8, 2013
8333580 Swept leg spider for an extrusion apparatus Dec. 18, 2012
8282374 Evacuation system for plastics extrusion Oct. 9, 2012
8282385 Die for molding ceramic honeycomb structure Oct. 9, 2012
8246877 Method, apparatus and a forming part for casting a concrete product by slipform casting Aug. 21, 2012
8235699 Honeycomb structure-forming die and method for manufacturing the same Aug. 7, 2012
8231374 Extrusion apparatus for making multilayer articles Jul. 31, 2012
8226400 Die for molding honeycomb structure and manufacturing method thereof Jul. 24, 2012
8210837 Sizing cage adjustment Jul. 3, 2012
8197243 Head assembly for use in a rotary head extruder for extruding a food product Jun. 12, 2012
8171973 Nozzle and related apparatus and method for dispensing molten thermoplastic material May. 8, 2012
8166790 Continuous metal extruder May. 1, 2012
8128395 Honeycomb segment-forming die and method for manufacturing honeycomb structure Mar. 6, 2012
8113810 Extrusion die assembly Feb. 14, 2012
8096799 Swept leg spider for an extrusion apparatus Jan. 17, 2012
8092204 Apparatus and method for inflation extrusion molding of pressure-sensitive adhesive sheet Jan. 10, 2012
8062013 Device for internal cooling of extruded thermoplastics pipes Nov. 22, 2011
8062019 Mold for extrusion molding a medical application tube and extrusion molding method Nov. 22, 2011
8052411 Die for forming honeycomb structure Nov. 8, 2011
8043082 Injection head for a corrugator for the production of plastics pipes Oct. 25, 2011
8025497 Method for manufacturing short fiber oriented rubber or synthetic resine and expansion die for extrusion molding Sep. 27, 2011
8021597 Method and apparatus for producing plastic containers Sep. 20, 2011
8017053 Manufacturing of shaped coolant hoses Sep. 13, 2011
8007700 Coaxial cable of low dielectric constant, and a fabrication method and tool therefor Aug. 30, 2011
7997888 Die for forming honeycomb structure and manufacturing method of die for forming honeycomb structure Aug. 16, 2011
7993568 Profiled insulation LAN cables Aug. 9, 2011
7988438 Extrusion die vacuum seals Aug. 2, 2011
7938641 Extrusion die May. 10, 2011
7883327 Device for producing blown film Feb. 8, 2011
7878792 Support arrangement for an extrusion tool and extrusion tool for moulding an object Feb. 1, 2011
7858007 Honeycomb forming die and jig for honeycomb forming die using the same Dec. 28, 2010
7811073 Blow head for producing blown tubular film Oct. 12, 2010
7789649 Device for extruding hollow strands Sep. 7, 2010

1 2 3 4 5 6 7 8 9

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