| Patent Number |
Title Of Patent |
Date Issued |
| 4752315 |
Suction head for slag removal |
June 21, 1988 |
| A nozzle or nozzles for spraying cooling water are disposed at the lower end of a slag suction path. A cooling water down-flow passage is provided on the outer periphery of an inner tube which constitutes a slag suction path. A water sump is provided below the cooling water down-flow pas |
| 4166609 |
Device for detecting surface level of scum in scum removing apparatus |
September 4, 1979 |
| In a scum removing apparatus including a suction source, a suction pipe having one end communicating with the suction source and the other free end positioned above the surface of scum to suck the scum and apply water to the sucked scum in the vicinity of the free end, and a scum separat |
| 4160662 |
Method for the removal of scum |
July 10, 1979 |
| A method of removing slag or like scum from the surface of molten metal by suction. A tubular gaseous stream directed toward the surface of scum is formed, with its interior space communicating with a suction source such as an ejector or vacuum pump. The gaseous stream hampers the inflow |
| 4131303 |
Telescopic assembly for pipes for conveying fluidized materials |
December 26, 1978 |
| A telescopic assembly for pipes for conveying powdery to granular materials entrained in an air or like gaseous stream comprises two pipes of different diameters coaxially fitting one within the other and axially slidable relative to each other, a labyrinth packing provided around a |
| 4095433 |
Tunnel support structure using built-up pipe support set, and unit pipe support member therefor |
June 20, 1978 |
| Structure for supporting the excavated wall of a tunnel comprises a plurality of unit pipe support members connected in end-to-end relation by pipe couplings with lap joints, or by flanges on the ends of the support members, to form a plurality of sub-assemblies which are then connected |
| 4077615 |
Suction heads for the removal of scum |
March 7, 1978 |
| A suction head for apparatus for removing slag or scum from the surface of molten metal or the like includes a suction pipe having a scum inlet at one end and communicating at the other end with a suction source by way of a conduit, a scum separator, etc. The suction head further include |
| 3979108 |
Method and apparatus for removing slag |
September 7, 1976 |
| Slag on the surface of a molten metal is drawn into the inlet end of a suction pipe which is provided with a water cooling jacket having orifices permitting the flow of water to the inlet end of the pipe for pelletizing the entering slag. The suction pipe is connected to a separator hopp |
