Method of welding workpieces, more particularly rails by the intermediate aluminothermic casting process

摘要

863,375. Casting composite articles. ELEKTRO-THERMIT G.m.b.H. Nov. 12, 1957 [Dec. 31, 1956], No. 35290/57. Addition to 842,095. Class 83 (1). The process of the parent Specification, which is referred to, is modified, in that the casting- mould is placed in position while still damp, and dried in situ.