Tubular assembly, method of preparing the assembly, apparatus for uphill teeming which incorporates the assembly and method of casting metal

摘要

PCT No. PCT/GB80/00214 Sec. 371 Date Aug. 17, 1981 Sec. 102(e) Date Aug. 17, 1981 PCT Filed Dec. 12, 1980 PCT Pub. No. WO81/01674 PCT Pub. Date Jun. 25, 1981.Guide and runner assemblies for uphill teeming comprise a refractory tube in a sheath with an optional body of particulate material between the inner tube and sheath. The sheath may be combustible.