Device for installing and removing gas purging plugs for metallu

Device for mounting a gripper to a piercing machine

Device for opening and closing a vessel containing a metal in th

Device for opening furnace tap holes

Device for opening the taphole of a shaft furnace

Device for placing slag retention devices in tapping converters

Device for plugging a taphole in a furnace

Device for removing worn nozzle bricks or nozzle linings from me

Drilling machine for blast furnace tapholes

Ejector piston

Elevated device for placing slag retention means in tapping conv

Elevated swinging device for placing slag retention devices in t

Erosion resistant stopper rod

Expandable tap hole plug

Expandable, consumable stopper plug for steel making and handlin

Extension bar for blast furnace tap hole drill

Furnace taphole drilling apparatus and method

Furnace tapping apparatus

Grasping device for a rod insertable into and withdrawable from

Guide and support structure for furnace taphole plugging or dril