Title:
HAZARDOUS SUBSTANCE PROCESSING DEVICE
Document Type and Number:
Japanese Patent JP2022073167
Kind Code:
A
Abstract:
To prevent a hazardous substance from flowing into a non-hazardous area A in the case of closing an opening 21a of a partition wall 21 by a shutter 22 provided for a hazardous area B.SOLUTION: A cover plate 36 covering a closed surface 22a of the shutter 22, and open locking means for maintaining the shutter 22 in a covered state by the cover plate 36 are provided at an open position where the shutter 22 of an open state in the hazardous area B is positioned. In allowing the hazardous area B and a non-hazardous area A to communicate with each other, the closed surface 22a of the shutter 22 is covered by the cover plate 36, and the closed surface is maintained in a state of not being exposed on the hazardous area B.SELECTED DRAWING: Figure 2
Inventors:
HASHIMOTO KATSUNORI
Application Number:
JP2020182974A
Publication Date:
May 17, 2022
Filing Date:
October 30, 2020
Export Citation:
Assignee:
SHIBUYA KOGYO CO LTD
International Classes:
C12M1/00; B01L1/00
Attorney, Agent or Firm:
Makoto Kanzaki
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