GAS MASK AND REMAINING CAPABILITY INDICATING DEVICE FOR GAS ABSORBING AGENT

摘要

PROBLEM TO BE SOLVED: To enable a user of a gas mask to evaluate a remaining capability of a gas absorbing agent without stopping his work.

SOLUTION: A display equipment 1 having a transparent observation window 1b is placed on an absorbing canister 221 of the gas mask to check the color of a detecting agent 1c from the outside. The display equipment 1 comprises a cylindrical body 1a that is shorter than the depth of a chassis 2 of the absorbing canister, the solid observation window 1b that is inserted into the cylindrical body 1a and hermetically connected to the inside of the cylindrical body 1a, and the detection agent 1c filled in the cylindrical body 1a, which is inside the chassis 2 behind the observation window 1b.

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