Process for the production of sheets and bands of crude or refined zinc having improved mechanical properties and increased resistance to corrosion

摘要

363,962. Making zinc sheets. BERNDORFER METALLWARENFABRIK A. KRUPP AKT.-GES., Berndorf, Austria. June 12, 1931, No. 17177. Convention date, June 12, 1930. [Classes 83 (i), 83 (ii), and 83 (iv).] Rolling and working castings at specified temperatures.-Long zinc strips or sheets, e.g. for stamping into battery cans are formed by casting vertical blocks if desired cutting off the impure top, and/or bottom portions, shaping in a rod press at over 100‹ C. to form rods or other shapes and rolling the rods cold or hot to form the strip or sheets.