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Class Information
Number: 164/5
Name: Metal founding > Process > Including recycling of process material
Description: Process in which excess material in the form of flash, trim, rejected products or used mold materials resulting from an intermittent or continuous process or treating materials therefor, are recycled or reused in the molding operation with or without purification, reclamation or separation of the desired constituents from contaminants.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8631854 Continuous casting method and apparatus for producing preliminary profiles, in particular double T preliminary profiles Jan. 21, 2014
8071664 Compositions containing certain metallocenes and their uses Dec. 6, 2011
7438119 System for heat treating castings and reclaiming sand Oct. 21, 2008
7290583 Methods and apparatus for heat treatment and sand removal for castings Nov. 6, 2007
7284593 Method and device for evacuating drainage water in the inner arc of beam blank casting machines Oct. 23, 2007
7275582 Methods and apparatus for heat treatment and sand removal for castings Oct. 2, 2007
7252134 Method and apparatus for removal of flashing and blockages from a casting Aug. 7, 2007
7147034 Reclamation treatment of bonded particulates Dec. 12, 2006
7140418 Method and device for the evacuation of casting wastes Nov. 28, 2006
7073557 Method of drying a sand mold using a vacuum Jul. 11, 2006
7011133 Molten aluminum filtration Mar. 14, 2006
6929670 Sand separating apparatus for a thermal sand removal oven Aug. 16, 2005
6926063 Method for conditioning foundry moulding sand and a device therefor Aug. 9, 2005
6923239 Casting method and apparatus Aug. 2, 2005
6920911 Foundry sand with oxidation promoter Jul. 26, 2005
6901990 Method and system for processing castings Jun. 7, 2005
6860313 Method and device for the preparation of foundry sand Mar. 1, 2005
6834706 Process for recovering sand and bentonite clay used in a foundry Dec. 28, 2004
6725899 Apparatus for and method of reclaiming molding sand Apr. 27, 2004
6712119 Collected sand processing method Mar. 30, 2004
6691765 Products for the manufacture of molds and cores used in metal casting and a method for their manufacture and recycle from crushed rock Feb. 17, 2004
6672367 Methods and apparatus for heat treatment and sand removal for castings Jan. 6, 2004
6651819 Debris removal from fluidized sand bed Nov. 25, 2003
6644381 Casting method and apparatus Nov. 11, 2003
6595267 Liner lock key for tumbler liner segments Jul. 22, 2003
6591891 Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite Jul. 15, 2003
6554050 Iron alloy casting method and apparatus Apr. 29, 2003
6554049 Process for recovering sand and bentonite clay used in a foundry Apr. 29, 2003
6523597 Recovery method of compact disc Feb. 25, 2003
6516863 Foundry sand Feb. 11, 2003
6505670 Method for injection molding metallic materials Jan. 14, 2003
6467529 Apparatus for removal of sand from metal castings Oct. 22, 2002
6463991 Iron alloy casting method and apparatus Oct. 15, 2002
6447593 Foundry sand with oxidation promoter Sep. 10, 2002
6435262 Foundry sand Aug. 20, 2002
6431253 Method of recovering and refining filler from a lost wax composition Aug. 13, 2002
6401798 Rotating drum for reclaiming molding sand and molding sand reclaiming apparatus Jun. 11, 2002
6383263 Device intended for mechanical separation of high-temperature sand present in a gas stream May. 7, 2002
6371194 Method for producing core preforms and recycling core sand for a foundry Apr. 16, 2002
6352098 Method of recovering and refining filler from a lost wax composition Mar. 5, 2002
6298902 Use of CO2-soluble materials as transient coatings Oct. 9, 2001
6286580 Sand reclamation Sep. 11, 2001
6253830 Apparatus and method for sand core debonding and heat treating metal castings Jul. 3, 2001
6209616 Vacuum-assisted, gravity-fed casting apparatus and method Apr. 3, 2001
6120284 Reclaiming foundry sand by gravity flow system Sep. 19, 2000
6056042 Method of restoring used molding sand May. 2, 2000
6029738 Core for use in die casting process Feb. 29, 2000
6019157 Method of regenerating foundry sand Feb. 1, 2000
6000644 Method and apparatus for reclaiming foundry sand Dec. 14, 1999
5992499 Method for cold reclamation of foundry sand containing clay Nov. 30, 1999

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