METHOD FOR INSPECTING LENGTH-MEASURABLE PRODUCT, AND INSPECTION DEVICE

摘要

A method for inspecting a length-measurable product and an inspection device designed to increase the efficiency of work for removing defective length-measurable products are provided. This method for inspecting a length-measurable product places a mark (6) on a length-measurable product (1) having a defect (4) when the defect (4) occurs in the length-measurable product (1) in the step for manufacturing the length-measurable product (1) that can be measured for length in at least one direction, the method for inspecting a length-measurable product being characterized in comprising a marking step that has a defect inspection step for inspecting for the existence of a defect (4) in a length-measurable product and a length measurement step for measuring the length of a length-measurable product (1) in at least one direction, and that marks a marker area (5) set in advance in the lengthwise direction of a length-measurable product (1) having the defect (4), on the basis of defect position information provided by the defect inspection step and length measurement information provided by the measurement step.