Patent ID: 6185973
Filing Date: 2001-02-13
Classification: B21B,H05K

Abstract:
A rolling mill for metal foil having a thickness of 9 to 3 .mu.m, comprising:a pair of work rollers having axes in parallel to each other for subjecting a sheet material being supplied therebetween to strip processing;two pairs of intermediate rollers arranged so that the intermediate rollers of each pair are in contact with one of the work rollers and have axes in parallel to the axis of the contacting work roller;two pairs of backup rollers arranged so that the backup rollers of each pair are respectively in contact with one pair of the intermediate rollers;each of the work rollers and each pair of contacting intermediate rollers being disposed so that an interior angle formed by connecting the axis of each work roller and the axes of each pair of contacting intermediate rollers is acute; andthe axes of each pair of backup rollers falling within a range of the acute interior angle;whereby each pair of intermediate rollers and the pair of backup rollers impart roll load to the work roller.