Importance

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Abstract

There is disclosed an apparatus for intermittently and successively feeding sheet materials such as plastic bags into a plurality of sheet material processing stations which are spaced from each other along the feeding passage of the sheet material. The apparatus comprises movable elongated member means extending parallel to the feeding direction of sheet material, a fixed elongated member means extending parallel to the feeding direction of sheet material and disposed side by side with the movable elongated member means. The movable elongated member means is reciprocatingly moved in the longitudinal direction thereof at a stroke corresponding to the distance between the processing stations. The sheet materials are held by the holding means of the movable elongated member means and released from the holding member of the fixed elongated member means when the movable elongated member means is forwardly moved. The sheet materials are held by the holding means of the fixed elongated member means and released from the holding means of the movable member means when the movable member means is reversely and backwardly moved.

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First Claim