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Priority to JP39473ApriorityCriticalpatent/JPS5550731B2/ja
Publication of JPS4987556ApublicationCriticalpatent/JPS4987556A/ja
Publication of JPS5550731B2publicationCriticalpatent/JPS5550731B2/ja
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends