Replaceable drain electroslag guide
Replaceable liner for a crucible
Replaceable seals for ladle heaters
Resin-bonded liner
Retaining structure for refractory lining in high temperature ve
Retort assembly for kroll reductions
Retort pipe seal
Retort wall construction
Reusable precious metal recovery cartridge
Revamping of a basic oxygen furnace installation to provide...
Reverberatory furnace
Reversible refractory plate in sliding closure unit and method f
Ring gear mounted rack adjustable torch arm carriage...
Roaster with stabilized fluidized bed for roasting zinc...
Rocker arm/spring assembly
Rod cooling apparatus
Rod cooling system
Rotary batch distributor
Rotary blade-type apparatus for dissolving alloy elements and di
Rotary degasser