| 摘要 |
PROBLEM TO BE SOLVED: To provide a hand/arm insertion opening-movable hood allowing perfect closing of a front opening even during the treatment of an object to be treated.SOLUTION: A vertical movable glass plate 7 is configured in a front opening 5 of the front face of a body 3 vertically movably along the front opening 5, two window glasses 19a, 19b provided in the vertical movable glass plate 7 are installed movably in the right-and-left direction, and a worker puts the hands into a tubular holes 21a, 21b formed in the window glasses 19a, 19b and can freely move the hands vertically and in the right-and left direction. |
