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Browse by Category: Main > Material Science
Class Information
Number: 425/546
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 to evacuate mold or provide controlled environment
Description: Apparatus including means to assure the emptiness of the shaping cavity; or to regulate the atmosphere about the shaping cavity structure.


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7399172 Apparatus for vacuum forming an elastomeric tire Jul. 15, 2008
7261536 Injection molding device with outside air inlet part Aug. 28, 2007
7258543 Vertical micro-injection machine Aug. 21, 2007
7252499 Apparatus for unidirectional infiltration of preform with molten resin or pitch Aug. 7, 2007
7211215 Mould, encapsulating device and method of encapsulation May. 1, 2007
7175413 Elastomeric dispensing valve manufacture Feb. 13, 2007
7172408 Rapid densification of porous bodies (preforms) with high viscosity resins or pitches using a resin transfer molding process Feb. 6, 2007
7147460 Device for shaping plastic objects under inert atmosphere Dec. 12, 2006
7128562 Molding die apparatus and molding method Oct. 31, 2006
7118371 Apparatus for introducing plastic material into an annular mold cavity Oct. 10, 2006
7014456 Vent system for food processing machine Mar. 21, 2006
6994540 Injection molding system and pellet feeding unit Feb. 7, 2006
6988878 Apparatus and method for molding articles Jan. 24, 2006
6964561 High-performance infusion system for VARTM fabrication Nov. 15, 2005
6948695 Molds for casting fishing lures and other products Sep. 27, 2005
6939486 Apparatus and method for making intraocular lenses Sep. 6, 2005
6918752 Injection molding device with outside air inlet part Jul. 19, 2005
6899833 Method of manufacturing a molded article using a variable feedback molding system May. 31, 2005
6855286 Injection mold and method for manufacturing injection molded articles Feb. 15, 2005
6767489 Method to mold round polyurethane rollers free of injection gates, parting lines and bubbles Jul. 27, 2004
6578471 Apparatus for form-frying snack food product Jun. 17, 2003
6537053 Modular molding system, and modules for use therewith Mar. 25, 2003
6527538 Apparatus for vacuum assisted venting Mar. 4, 2003
6444319 Method for the surface coating of an interior fitting and interior fitting produced according thereto Sep. 3, 2002
6444157 Method of resin molding Sep. 3, 2002
6422850 Non-circular vent pin for golf ball injection mold Jul. 23, 2002
6416314 Patty-forming mold plate assembly Jul. 9, 2002
6367765 Mold vent Apr. 9, 2002
6341952 Fabrication of tissue products with additives by casting or molding using a mold formed by solid free-form methods Jan. 29, 2002
6315542 Gas injection mold structure for a gas auxiliary injection molding equipment Nov. 13, 2001
6302674 Optical disc molding apparatus Oct. 16, 2001
6294121 Mold for compression molding a resin article Sep. 25, 2001
6284173 Method for vacuum encapsulation of semiconductor chip packages Sep. 4, 2001
6280176 Vent tube system Aug. 28, 2001
6250903 Valve-gate bushing for gas-assisted injection molding Jun. 26, 2001
6231333 Apparatus and method for vacuum injection molding May. 15, 2001
6221306 Pin-in-sleeve device for in-article gas assisted injection molding Apr. 24, 2001
6164953 Method and mold to make plastic articles having reduced surface defects and assembly for use therein Dec. 26, 2000
6146125 Dynamic mold seal Nov. 14, 2000
6120275 Mold for use in a gas-assisted injection molding system and gas pin assembly for use therein Sep. 19, 2000
6106274 Molding apparatus with charge overflow Aug. 22, 2000
6082987 Apparatus for assembling a lens-forming device Jul. 4, 2000
6068464 Gasket for lens making May. 30, 2000
6063324 Fishing lure molding method and fishing lure May. 16, 2000
6053720 Mold for use in a gas-assisted injection molding system and gas pin assembly for use therein Apr. 25, 2000
6042354 Gas injection apparatus for gas assisted injection molding system Mar. 28, 2000
6042355 Mold for use in a gas-assisted injection molding system and ejector pin subsystem including a split pin for use therein Mar. 28, 2000
6042361 Mold for use in plastic injection molding system and venting pin assembly for use therein Mar. 28, 2000
RE36572 Mold having vent passageways to obviate trimming of flash Feb. 15, 2000
6000924 Pressurized underfill encapsulation of integrated circuits Dec. 14, 1999

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