Roll
AssigneeKuroki Kogyosho Co., Ltd.
InventorsTakanori Kuroki, Hironori Kuroki, Tsuguo Honda
Life of this patent
Estimating the term…
Abstract
The surface of a roll has built-up weld layers which are arranged in bent waves such that the growth of initial fine cracks which occur on the surface of a roll are prevented. The surface of the built-up weld layer is finished smoothly so that the wavy weld beads prevent the growth of initial fine cracks.
Claims8
A roll for rolling heated metal comprising a roll body, a built-up weld layer on said body, said built-up weld layer comprising a plurality of circumferential weld beads on the surface of said roll body, each of said weld beads having a wave-like configuration and each extending in a circumferentially closed ring about said roll body, each of said weld beads being contiguous and in contact with an adjacent weld bead to form a continuous built-up weld layer on said roll body, said built-up weld layer having a smooth mirror-like surface.
Dependencies are inferred from the claim text.