Hose with indicator

Abstract

The provided is a hose with an indicator (30), comprising: a hose body (30a) made of rubber that forms a fluid flow path therein; a fitting (30b) made of metal connected to an end of the hose body; and an indicator (31) in which color components are extracted by a deterioration state determination device provided with a deterioration determination model and a color change database in order to determine deterioration state of the hose body, wherein a first indicator (31a) is attached to an external surface of the hose body, a second indicator (31b) is attached to an external surface of the fitting, and the color component extracted from the first indicator is compared with the color component of the second indicator in determining deterioration state of the hose body.

Dependencies are inferred from the claim text.