< Topic >Concatenated structure of the chemical feeding device which can concatenate the chemical feeding device of 2 or more simply mechanically is offered.SolutionsConcatenated structure of the chemical feeding device which concatenates the chemical feeding device of 2 or more mutually, adjoining with the suffering concatenated section 20 which, is provided in the destal vicinity of based component 18 of the aforementioned chemical feeding device, the slide metallic parts 40 which it has 2 concatenated sections 42 which, it engages in two chemical feeding device respective aforementioned suffering concatenated sections 20 which are concatenated and, to have aforementioned suffering concatenated section as for one side of 20 and aforementioned concatenated section 42, to possess the channel where it extends to first direction, another side by the fact that it slides moves in aforementioned first direction to be interposed in the aforementioned channel, at the same time, firstIt possesses the projection where movement to other than direction is regulated.< Choice figure >Drawing 3【課題】2以上の薬液注入装置を簡易に機械的に連結でき得る薬液注入装置の連結構造を提供する。【解決手段】2以上の薬液注入装置を互いに連結する薬液注入装置の連結構造は、前記薬液注入装置のベース部材18の端部近傍に設けられた被連結部20と、隣接して連結される二つの薬液注入装置それぞれの前記被連結部20に係合する連結部42を二つ備えたスライド金具40と、を備え、前記被連結部20および前記連結部42の一方は、第一の方向に延びる溝を有し、他方は、前記第一の方向にスライド移動することで前記溝に挿入され、かつ、第一の方向以外への移動が規制される突起を有する。【選択図】図3
