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Class Information
Number: 264/328.4
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.) > Material is nonthermoplastic > Utilizing a transfer chamber
Description: Processes in which molding material is accumulated in a pressurized zone upstream of the injector head.










Sub-classes under this class:

Class Number Class Name Patents
264/328.5 With preformed charge 60


Patents under this class:
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Patent Number Title Of Patent Date Issued
8394304 Method for molding synthetic resin moldings Mar. 12, 2013
8235705 Apparatus for producing a sulfur concrete substance Aug. 7, 2012
8127431 Method of resin sealing permanent magnets in laminated rotor core Mar. 6, 2012
7993564 Method and installation producing preforms Aug. 9, 2011
7950133 Method of resin sealing permanent magnets in laminated rotor core May. 31, 2011
7824593 Method of manufacturing moving handrail for passenger conveyor Nov. 2, 2010
7785525 RTM molding method Aug. 31, 2010
7601287 Method and apparatus for preform consistency Oct. 13, 2009
7595017 Method for using a pre-formed film in a transfer molding process for an integrated circuit Sep. 29, 2009
7581932 Method of manufacturing a composite turbomachine blade, and a blade obtained by the method Sep. 1, 2009
7413696 Method and injection molding machine for the production of elastomer and duromer molded items Aug. 19, 2008
7299544 Apparatus for separating cull of semiconductor package molding system Nov. 27, 2007
7169345 Method for integrated circuit packaging Jan. 30, 2007
7025913 Delivery of pitch/thermoplastic/thermoset resins in RTM systems Apr. 11, 2006
7014810 Method of producing solid shape forms containing an active ingredient Mar. 21, 2006
6911266 Blow-molded articles with decorative finish Jun. 28, 2005
6699422 Shaping method for producing plastic parts and device for carrying out said method Mar. 2, 2004
6689303 Injection molding method using a stacked mold Feb. 10, 2004
6652799 Method for molding semiconductor components Nov. 25, 2003
6630085 Method for the multicomponent injection molding of plastic parts Oct. 7, 2003
6491857 Process of packaging semiconductor chip in synthetic resin produced from pressurized granular synthetic resin and molding die used therein Dec. 10, 2002
6413465 Apparatus to actuate injection element Jul. 2, 2002
6322736 Method for fabricating molded microstructures on substrates Nov. 27, 2001
6214273 Molding method with the use of modified runners Apr. 10, 2001
6200504 Method for encapsulating with plastic a lead frame with chips Mar. 13, 2001
6113822 Polyolefins as nucleating agent for foamed engineering polymers Sep. 5, 2000
6080354 Resin molding method in which a movable cavity piece allows a direct resin feed Jun. 27, 2000
6068809 Method of injection molding elements such as semiconductor elements May. 30, 2000
6045740 Process and device for manufacturing injection-molded parts from plastic material Apr. 4, 2000
6029944 Casting device and an adapter for a casting device Feb. 29, 2000
5973099 Polyurethane resin transfer molding systems Oct. 26, 1999
5965078 Method for manufacturing prepackaged molding compound for component encapsulation Oct. 12, 1999
5961912 Encapsulating method of substrate based electronic device Oct. 5, 1999
5906782 Method for the simultaneous curing of thermosetting resins May. 25, 1999
5888443 Method for manufacturing prepackaged molding compound for component encapsulation Mar. 30, 1999
5885507 Method for encasing articles Mar. 23, 1999
5851449 Method for manufacturing a surface-mounted type optical semiconductor device Dec. 22, 1998
5851559 Transfer molding press Dec. 22, 1998
5843360 Method and pellet for encapsulating lead frames Dec. 1, 1998
5811041 Method and apparatus for vacuum transfer molding Sep. 22, 1998
5786444 Treating method for improving the strength of molded products of a thermosetting resin Jul. 28, 1998
5766534 Process for preparing a resin matrix composite using a preform Jun. 16, 1998
5718864 Thermosetting resin transfer molding process Feb. 17, 1998
5690885 Method for forming encapsulated semicondcutor chips Nov. 25, 1997
5662848 Plastic molding method for semiconductor devices Sep. 2, 1997
5645776 Method of encapsulating semiconductor devices by a direct drive electro-mechanical press Jul. 8, 1997
5645787 Process for producing semiconductor devices using resin tablets Jul. 8, 1997
5595799 Coinjection molding of decorative preforms and containers produced from such preforms Jan. 21, 1997
5551486 Method and equipment for filing casting molds with casting resin or similarly casting-ready liquid media Sep. 3, 1996
5543105 Pressure diecasting or injection molding machine Aug. 6, 1996

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