METHOD FOR MAKING THREE-LAYER BIMETALLIC BELT Russian patent published in 2002 - IPC

Abstract RU 2184641 C1

FIELD: manufacture of three-layer belt such as cupronickel-steel-cupronickel for making coins, shell sleeves, bullet casings, chemical electric current sources and so on. SUBSTANCE: method comprises steps of preparing contact surfaces of base of steel band and cladding layers of cupronickel belt by etching and trimming; preliminarily annealing steel band; performing combined double-side cold cladding of coiled belts at lubricating and rolling them by several passes; then performing annealing and skin pass rolling for final dimension. Total thickness of cladding layers consists (6-12)% of steel band thickness. Combination modes of cladding and cold rolling are selected in such a way that to achieve high ductile properties of ready bimetallic belt. EFFECT: enhanced ductile properties of bimetallic belt. 8 cl

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RU 2 184 641 C1

Authors

Solovov A.A.

Lepin V.N.

Vorob'Ev S.P.

Mikhajlov A.I.

Solomin N.P.

Vasil'Ev S.V.

Dates

2002-07-10—Published

2001-11-08—Filed