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Class Information
Number: 264/328.1
Name: Plastic and nonmetallic article shaping or treating: processes > Mechanical shaping or molding to form or reform shaped article > Shaping against forming surface (e.g., casting, die shaping, etc.) > Applying heat or pressure > Introducing material under pressure into a closed mold cavity (e.g., injection molding, etc.)
Description: Processes in which said pressure is applied to the molding material so as to force the material from a source removed from a closed mold cavity into the cavity wherein said material assumes the shape of the interior of said closed cavity.

Sub-classes under this class:

Class Number Class Name Patents
264/328.7 Including changing mold size or shape during injection or between multiple stages of injection 480
264/328.13 Including injection at two or more pressures 142
264/328.11 Including movement of mold relative to injector 202
264/328.9 Including operation or design to minimize formation of gate, sprue, or flash 285
264/328.12 Including specified direction or condition of flow in mold 528
264/328.2 Material is nonthermoplastic 283
264/328.17 Pretreatment or preparation of charge material 215
264/328.14 With heating or cooling 253
264/328.8 With multiple injectors, mold cavities, or multiple steps of injection of material 1,062

Patents under this class:

Patent Number Title Of Patent Date Issued
8709311 Method and device for extracting vapors in an injection molding machine Apr. 29, 2014
8706001 Image forming apparatus with resin frame and method for molding the resin frame Apr. 22, 2014
8703033 Methods and apparatus for forming a composite component Apr. 22, 2014
8680195 Hydrogenated rubber grade for the improvement of high-temperature properties Mar. 25, 2014
8673441 Antimicrobial plastics product and process for production thereof Mar. 18, 2014
8668860 Plastic article and method of manufacturing the same Mar. 11, 2014
8663540 Expanded graphite foil heater tube assembly and method of use Mar. 4, 2014
8663536 Hybrid injection actuator for an injection molding machine Mar. 4, 2014
8663535 Integrated sunshade design Mar. 4, 2014
8652385 Method of manufacturing a decorative article with sealed decorative laminated sheet Feb. 18, 2014
8652381 Resin transfer molding device and resin transfer molding method Feb. 18, 2014
8636842 Artificial stone and manufacturing method thereof Jan. 28, 2014
8632719 Method for manufacturing an injection-molded object Jan. 21, 2014
8628718 Modified polylactic acid, polymeric blends and methods of making the same Jan. 14, 2014
8622726 Injection molding apparatus having a rotationally controlled screw auger Jan. 7, 2014
8609010 Molding method providing micro-structures and articles molded by the method Dec. 17, 2013
8609009 Method of producing a microproduct Dec. 17, 2013
8592524 Thermoplastic elastomer compositions Nov. 26, 2013
8590508 Method and injection mould for the production of an intake system composed of plastic for internal combustion engines and intake system produced Nov. 26, 2013
8585955 Core assembly for an injection moulding-machine Nov. 19, 2013
8563673 Propylene-based resin molded article and method for producing the same Oct. 22, 2013
8557951 Copolymer polyester resin and molded product using same Oct. 15, 2013
8546490 Injection molded article comprising polypropylene and polylactic acid Oct. 1, 2013
8546458 Process for texturing materials Oct. 1, 2013
8536552 Collimator for a radiation detector and method for manufacturing such a collimator as well as method for manufacturing a radiation detector comprising collimators Sep. 17, 2013
8535583 Hydraulic binder product Sep. 17, 2013
8535034 Injection mold for overmolding compressible cordage Sep. 17, 2013
8529820 Adjustable melt rotation positioning device and method Sep. 10, 2013
8524137 Injection molded article and method for the manufacture thereof Sep. 3, 2013
8518318 Methods, compositions and blends for forming articles having improved environmental stress crack resistance Aug. 27, 2013
8518309 Measuring device and measuring method for an injection molding machine for ascertaining a batch-specific characteristic number Aug. 27, 2013
8506856 Method for making silicone hydrogel contact lenses Aug. 13, 2013
8501900 Nylon resins and process Aug. 6, 2013
8501070 Resin transfer molding device and resin transfer molding method Aug. 6, 2013
8501059 Injection unit having a filter, a method of controlling melt pressure in accordance with a target pressure range Aug. 6, 2013
8496862 Collet mechanism and method of molding cannula to a syringe barrel Jul. 30, 2013
8491826 Method of manufacturing a sucker Jul. 23, 2013
8486439 Parenteral formulation Jul. 16, 2013
8481630 Process for the production of moldings with reduced formation of deposit Jul. 9, 2013
8475696 Method for packaging light emitting diode Jul. 2, 2013
8475694 Shaped expandable material Jul. 2, 2013
8470233 Metal mold for use in molding lens cover and method for producing lens cover Jun. 25, 2013
8465688 Method of taking a nozzle of a valve gated hot runner apparatus out of service Jun. 18, 2013
8465165 Method for producing display member and molded product for display member Jun. 18, 2013
8460594 Injection molding method Jun. 11, 2013
8454992 Paneled capsule shells for release of pharmaceutical compositions Jun. 4, 2013
8444905 Polymeric blends and methods of using same May. 21, 2013
8444904 Resin gear May. 21, 2013
8444852 Magnetic water activator May. 21, 2013
8419994 Manufacturing method of foldable artificial vitreous body and mould thereof Apr. 16, 2013

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