An additive supply apparatus and a web forming apparatus

SUBJECT of the Invention Provide the additive supply apparatus and web forming apparatus which can prevent that an additive disperses in air|atmosphere in the case of opening and closing of an intake. PROBLEM to be solved It has a discharge port， The additive storage device which has a container which accommodates the additive added to a disentanglement thing， and a 1st shutter member which opens and closes the said discharge port by moving along a 1st axis|shaft， The apparatus main body which has an intake which takes in the said additive is provided， The said additive storage device is an additive supply apparatus in which the said apparatus main body and attachment or detachment are possible， Comprising: It has a said 1st shutter member and an engaging part to engage， When providing the 2nd shutter member which opens and closes the said intake by moving along a said 1st axis|shaft and moving a said 2nd shutter member along a said 1st axis|shaft， a said 1st shutter member interlock|cooperates with a said 2nd shutter member， The additive supply apparatus characterized by the above-mentioned. SELECTED DRAWINGS FIG. 2 [MAT_IMAGE 000002]