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Class Information
Number: 164/469
Name: Metal founding > Process > Shaping liquid metal against a forming surface > Continuous or semicontinuous casting > Utilizing electric arc or electron beam melting
Description: Process including raising the temperature of work material to its molten state through either (a) electric arc discharge between an electrode and the work material, or (b) electron beam bombardment upon the work material.

Sub-classes under this class:

Class Number Class Name Patents
164/470 Electric arc melting with slag or flux 20

Patents under this class:

Patent Number Title Of Patent Date Issued
7757748 Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus Jul. 20, 2010
7637307 Adjustable feed chute and associated method of feeding and melting Dec. 29, 2009
7503376 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes Mar. 17, 2009
7243701 Treating molten metals by moving electric arc Jul. 17, 2007
7137436 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes Nov. 21, 2006
7114548 Method and apparatus for treating articles during formation Oct. 3, 2006
6988529 Method and apparatus for preparing a metal or metal-alloy product for a casting process Jan. 24, 2006
6561259 Method of melting titanium and other metals and alloys by plasma arc or electron beam May. 13, 2003
6561258 Mold steel May. 13, 2003
6152349 Welding mold and preheating device intended to cooperate with the welding mold Nov. 28, 2000
5897830 P/M titanium composite casting Apr. 27, 1999
5791399 Method for heating a metal melt Aug. 11, 1998
5488988 Casting metal strip Feb. 6, 1996
5454424 Method of and apparatus for casting crystalline silicon ingot by electron bean melting Oct. 3, 1995
5291940 Static vacuum casting of ingots Mar. 8, 1994
5273102 Method and apparatus for casting an electron beam melted metallic material in ingot form Dec. 28, 1993
5238048 Round wire from strip Aug. 24, 1993
5224534 Method of producing refractory metal or alloy materials Jul. 6, 1993
5222547 Intermediate pressure electron beam furnace Jun. 29, 1993
5067554 Melt extraction of ceramics Nov. 26, 1991
4936375 Continuous casting of ingots Jun. 26, 1990
4922995 Method of producing monolithic metal blanks by freezing-on techniques May. 8, 1990
4913220 Apparatus and method for spill chilling rapidly solidified material Apr. 3, 1990
4838340 Continuous casting of fine grain ingots Jun. 13, 1989
4794979 Method for melting metal, particularly scrap, and forming metal billets Jan. 3, 1989
4766658 Method of producing composite nuclear fuel cladding Aug. 30, 1988
4730661 Process and device for melting and remelting metals in particle form into strands, especially into slabs Mar. 15, 1988
4727928 Process for the preparation of refined tantalum or niobium Mar. 1, 1988
4645534 Process for control of continuous casting conditions Feb. 24, 1987
4641704 Continuous casting method and ingot produced thereby Feb. 10, 1987
4627148 Method of producing high-purity metal member Dec. 9, 1986
4610296 Melting cast installation Sep. 9, 1986
4583580 Continuous casting method and ingot produced thereby Apr. 22, 1986
4582116 Extraction method for filament formation of high temperature reactive alloys Apr. 15, 1986
4558729 Method for high vacuum casting Dec. 17, 1985
4418741 Method of controlling relative movement between an ingot and a mold Dec. 6, 1983
4027722 Electron beam furnace Jun. 7, 1977
3955964 Process for making steel May. 11, 1976

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