JPS54120272A - Adjusting device for effective breadth of hydrostatic type correcting tool - Google Patents

Abstract

PURPOSE: The titled device which can prevent the useless consumption of the fluid, and can use the easily preparable correcting tool, being constituted of the pad that makes no interference against the metallic strip arranged in the top of the correcting tool, and the connecting parts for the pad, and the pulling unit for thrusting the pad connected to the end of the connecting parts against the top of the correcting tool.

CONSTITUTION: In the case of the shape correction for the metallic strip S, the hydraulic cylinder 6 is actuated to pull the connecting parts 5 for thrusting each of the pad 4 against the top of the curved plane of the correcting tool 1; hereby, the lead pipe 2 and the pocket 3 are sealed. Under this condition, the hydraulic fluid is supplied to the lead pipe 2, so as to contact the pad 4 against the curved plane of the tool 1. As a result, the fluid pressure at the sealed portion of the lead pipe 2 and the pocket 3 does not drop, hence the fluid is spouted into outside, through the lead pipe 2 and the pocket 3, at the position where the strip S exists. Hereby, a gap is formed between the bottom plane of the strip S and the top of the tool 1, due to the fluid film, so that the strip S is supported at floating condition. Besides, when the breadth of the strip S is to be changed, the pad 4 is shifted laterally outward, or the pad 4 is replaced by another pad of different breadth.

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