VERFAHREN ZUR HERSTELLUNG VON STEIFEN, DÜNNEN BANDMATERIAL, SOWIE ROLLEN ZUR VERWENDUNG BEI SOLCH EINEM VERFAHREN

摘要

Lightweight flexure-resistant thin metal sheet is produced by passing flexible thin metal sheet between rolls having defined teeth, the teeth having radiused corners so that rows of projections are formed on both faces of the sheet without damage to the surface material or the rolls.