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A Johnson Metals Corporation Patents
Assignee:
A Johnson Metals Corporation
Address:
Lionville, PA
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
RE32932 Cold hearth refining May 30, 1989
In the particular embodiment of an electron beam cold hearth refining arrangement described in the specification, two separate hearth segments are disposed at right angles to each other and raw material is supplied to a melt area at the end of the first hearth segment remote from the sec
4763854 Container for continuous supply of wire August 16, 1988
In the representative embodiment of a container for continuous supply of wire described in the specification, a coil of wire is supported between two side members joined at their outer peripheries. One of the side members has a continuously circular opening formed by a bar with a central
4750542 Electron beam cold hearth refining June 14, 1988
In the particular embodiment of an electron beam cold hearth refining arrangement described in the specification, two separate hearth segments are disposed at right angles to each other and raw material is supplied to a melt area at the end of the first hearth segment remote from the sec
4616363 Electron-beam furnace with magnetic stabilization October 7, 1986
An electron-beam furnace for melting and refining metals in a trough-like hearth by scanning high-intensity, narrow electron beams across the hearth is provided with a wire coil located near the hearth for producing a relatively weak magnetic field in the vicinity of the molten metal in

 
 
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