| 摘要 |
PURPOSE: To simply identify the kind of a stacked container group, in constitution such that a kind identifying means is provided to a container main body, by constituting the kind identifying means as the light passing part provided to the outer peripheral part of the container main body at a specific position corresponding to the kind. CONSTITUTION: A dustproof container 10 is used, for example, in a cassette assembling line and the lower flange 16 of an upper container 10 is placed on the upper flange of a lower container 10 to enable the stacking of the upper and lower containers 10. In this container 10, as a kind identifying means of a housed article, for example, either one of first - fifth hole or groove-shaped light passing parts 41A-41E is formed to each of the upper and lower flanges 15, 16 of the container 10 in a notched shape. Light passing detectors 54A-54D are provided on both upper and lower sides holding the outer peripheral part of the container group 10A positioned at a kind identification position therebetween in a stacking direction so as to be set by the kind identification position on a conveyor 50 to detect the passed light to identify the kind. |
