| 摘要 |
PROBLEM TO BE SOLVED: To provide a regulator fixing method of a full face mask which enables a general purpose regulator to be used and prevents the regulator from being removed when a material of the full face mask is deteriorated or an excessive load is applied to the regulator from the exterior.SOLUTION: A plate member 31 is disposed at an inner part of a regulator attachment part 1a of a full face mask 1 and an inner part of a mouthpiece pipe part 3a of a regulator 3 body. The plate member is fastened by connection members 33, each of which penetrates through the mouthpiece pipe part, to fix the regulator. |
