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Class Information
Number: 425/562
Name: Plastic article or earthenware shaping or treating: apparatus > Female mold and charger to supply fluent stock under pressure thereto in fluid-tight relationship (e.g., injection mold, etc.) > With means between charger and mold to cut off flow of fluent stock (e.g., needle valve, baffle, etc.)
Description: Apparatus including structure adapted to stop the flow of fluent stock to be molded, which structure is functionally located between the shaping cavity and the means to force the fluent stock therein.

Sub-classes under this class:

Class Number Class Name Patents
425/563 Biased, pressure responsive means 143
425/564 Nozzle valve 528

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

Patent Number Title Of Patent Date Issued
8647095 Resin transfer molding device and resin transfer molding method Feb. 11, 2014
8529820 Adjustable melt rotation positioning device and method Sep. 10, 2013
8419416 Nozzle assembly for supporting slide movement of a valve assembly Apr. 16, 2013
8293162 Method and apparatus for producing molded product Oct. 23, 2012
8282870 Safety connector for hot runner, having latch destructively interlocking valve stem with actuation plate Oct. 9, 2012
8277213 Apparatus for injection molding Oct. 2, 2012
8235705 Apparatus for producing a sulfur concrete substance Aug. 7, 2012
8197247 Injection mold plate module having switchable sub-runners Jun. 12, 2012
8147237 Hot runner system having active material Apr. 3, 2012
8087925 Device for forming headrest Jan. 3, 2012
8033819 Mold and molding method Oct. 11, 2011
7967590 Injection unit for an injection moulding machine Jun. 28, 2011
7963762 Injection molding apparatus having a valve pin coupling Jun. 21, 2011
7964825 Method for the attachment of an electrical lead wire on a surface element, as well as a heating element, especially for a plastic-spraying device Jun. 21, 2011
7909600 Gate of die and mold, die and mold for injection molding, and method of manufacturing the same Mar. 22, 2011
7862330 Angled fill ports and seal-off arrangement for patty-forming apparatus Jan. 4, 2011
7824175 Injection molding anti-drool nozzle Nov. 2, 2010
7780895 Adjustable melt rotation positioning and method Aug. 24, 2010
7713045 Injection apparatus for producing molded food products May. 11, 2010
7678320 Anti-drool mechanism for a sprue bushing Mar. 16, 2010
7614871 Rotary valve assembly for an injection nozzle Nov. 10, 2009
7597836 Mold apparatus and method for injection molding Oct. 6, 2009
7547208 Individual cavity shut-off valve for an injection molding apparatus Jun. 16, 2009
7527489 Apparatus for vacuum forming a tire, wheel or other item from an elastomeric material May. 5, 2009
7527493 Precise control non-return valve May. 5, 2009
7517481 Molding systems and processes Apr. 14, 2009
7513772 Injection molding nozzle with valve pin alignment Apr. 7, 2009
7510387 Control system for dynamic feed coinjection process Mar. 31, 2009
7500840 Apparatus for molding a mold and a metal used therefor Mar. 10, 2009
7455515 Nozzle and apparatus for injection molding Nov. 25, 2008
7442033 Injection mold Oct. 28, 2008
7416402 Sprue bushing anti-drool device Aug. 26, 2008
7404713 Inlet nozzle for hot runner system Jul. 29, 2008
7399172 Apparatus for vacuum forming an elastomeric tire Jul. 15, 2008
7396227 Hot runner sprue Jul. 8, 2008
7393489 Mold die for molding chip array, molding equipment including the same, and method for molding chip array Jul. 1, 2008
7393198 Molding-system viscous-drag sensor Jul. 1, 2008
7377769 Discharge apparatus for two-stage injection molding machine May. 27, 2008
7374419 Gating structure for mold May. 20, 2008
7367797 Needle valve for filling a mold with an organic material in the liquid state May. 6, 2008
7326047 Apparatus for producing a tubular body Feb. 5, 2008
7322817 Injection molding nozzle for plastic with at least two outlet openings Jan. 29, 2008
RE39935 Multi-cavity injection molding apparatus splitting melt near nozzle front Dec. 4, 2007
7296993 Poppet valve assembly Nov. 20, 2007
7291006 Check valve lip seal for an injection molding machine Nov. 6, 2007
7287549 Valve pin cross over nozzle for stack mould Oct. 30, 2007
7270537 Non-coaxial injection molding valve flow control Sep. 18, 2007
7270536 Screw tip and molding system apparatus Sep. 18, 2007
7267534 Methods for manufacturing foam material including systems with pressure restriction element Sep. 11, 2007
7258824 Method for controlling the injection process and injector unit Aug. 21, 2007

1 2 3 4 5 6 7 8

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