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Class Information
Number: 425/326.1
Name: Plastic article or earthenware shaping or treating: apparatus > Diverse distinct type shaping means > Shaping orifice and either a downstream preform reshaping means or vulcanizing means including conforming preform support > Utilizing a fluid pressure differential as a reshaping means
Description: Apparatus wherein extruded material is reshaped by means establishing a fluid pressure different on one portion of the preform than that maintained on another portion.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8702410 Device for cooling plastic profiles Apr. 22, 2014
8641404 Optofluidic lithography system, method of manufacturing two-layered microfluid channel, and method of manufacturing three-dimensional microstructures Feb. 4, 2014
8579624 Systems and methods for making multi-wall corrugated pipe Nov. 12, 2013
8507628 Propylene based polymers for injection stretch blow molding Aug. 13, 2013
8500432 Corrugator device with a mould release device Aug. 6, 2013
8475617 Device for production of drip irrigation tubes Jul. 2, 2013
8430659 Corrugator device with a gripper Apr. 30, 2013
8251691 Reticulation system for composite component production Aug. 28, 2012
8226398 Apparatus and method for inflation extrusion molding of pressure-sensitive adhesive sheet Jul. 24, 2012
8167603 Device for the production of corrugated pipes May. 1, 2012
8157556 Puller speed control device for monitoring the dimensions of an extruded synthetic wood composition Apr. 17, 2012
7988438 Extrusion die vacuum seals Aug. 2, 2011
7922470 Apparatus for automatic control of cage size in an extruded film production line Apr. 12, 2011
7883327 Device for producing blown film Feb. 8, 2011
7806674 Air ring for controlling blown film thickness provided with individual heat conducting segments Oct. 5, 2010
7798796 Pipe extruding system with cooling plug separation Sep. 21, 2010
7789649 Device for extruding hollow strands Sep. 7, 2010
7736140 Interior cooling body for a blowfilm system, blowfilm system, and process for producing a blowfilm Jun. 15, 2010
7708539 Device for calibrating an extruded plastic profile May. 4, 2010
7695263 Blown film die for producing tubular film Apr. 13, 2010
7654808 Air ring with circumferentially adjustable air flow Feb. 2, 2010
7651326 Calibrating plate for an extrusion die for producing plastic profiles Jan. 26, 2010
7625194 Unit for production of tubular resin film Dec. 1, 2009
7625196 Device for manufacturing a double-walled, thermoplastic tube with a connecting sleeve Dec. 1, 2009
7611660 Apparatus and method for cooling material during continuous vacuum forming Nov. 3, 2009
7568899 Oscillating hauloff with bearings along central axis Aug. 4, 2009
7556762 Method of inflation extrusion molding, extrusion molding apparatus therefor, and process for producing pressure-sensitive adhesive sheet Jul. 7, 2009
7524177 Pipe molding system with vacuum and temperature controls of cooling plugs Apr. 28, 2009
7517209 Molding apparatus with mold blocks having profiled face adjustment Apr. 14, 2009
7517210 Apparatus for the manufacture of compound pipes Apr. 14, 2009
7484947 Cooling and molding water tank for a plastic complicated profile Feb. 3, 2009
7479003 Method and device for producing a film made of a thermoplastic material Jan. 20, 2009
7445443 Turning bar draw-off device for a tubular film extrusion installation Nov. 4, 2008
7396224 Calibrating basket for a calibrating station Jul. 8, 2008
7390455 Method for continuously producing plastic tubes by biaxial drawing and a production line for carrying out said method Jun. 24, 2008
7377760 Soft capsule manufacturing apparatus May. 27, 2008
7371062 Device for calibrating an extruded plastic profile May. 13, 2008
7357630 Calibration device Apr. 15, 2008
7347680 Device for producing lay-flat tubes in blown film extrusion installation Mar. 25, 2008
7335010 Device for producing rigid plastic pipes Feb. 26, 2008
7311509 Externally cooled moving mold Dec. 25, 2007
7306448 Mobile impression half-mould for a corrugator for making pipes with transverse ribs Dec. 11, 2007
7296989 Continuous production of plastic siding panels with separate shingle appearance Nov. 20, 2007
7293975 Calibration device Nov. 13, 2007
7290998 Quick set-up system for calibration devices Nov. 6, 2007
7275927 Multi-channel cooling die Oct. 2, 2007
7267535 Pipe molding apparatus with mold tunnel air turbulence Sep. 11, 2007
7226282 Charge roller of developing device for image forming apparatus, method for fabricating the same and tool for fabricating charge roller Jun. 5, 2007
7223089 Infinitely adjustable calibrating shell for continuous extruded plastic parts, in particular plastic pipes May. 29, 2007
7220113 Gauge distribution apparatus for plastic film May. 22, 2007

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