Metal founding – Means to apply vacuum directly to work or to hold or... – Means applying vacuum or suction directly to molten casting...
Patent
1978-01-18
1980-01-29
Baldwin, Robert D.
Metal founding
Means to apply vacuum directly to work or to hold or...
Means applying vacuum or suction directly to molten casting...
164259, B22D 2102, B22D 2702
Patent
active
041856830
ABSTRACT:
A mould wall has one or a plurality of cylindrical or tapered inserts positioned therein. The outer lateral surfaces of the inserts are provided with longitudinal through grooves bounded by the wall of the opening wherein the insert is positioned, the groove and the wall forming passages for feeding gas into the slag pool zone in the mould.
The insert may consist of a plurality of parts coaxial within one another, the outer lateral surfaces of the parts having longitudinal through grooves similar to those on the insert outer surface.
The mould construction according to the invention simplifies the technique for manufacturing ducts for feeding gas into the slag pool zone and raises the intensity of interaction between the gas and the liquid pool by feeding gas in the form of small bubbles having large total surface area.
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Artamonov Viktor L.
Bogachenko Alexei G.
Bondarenko Oleg P.
Eltsov Konstantin S.
Kaganovsky Gary P.
Baldwin Robert D.
Lin K. Y.
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