To provide a self-contained type or air-supplied type underwater breathing apparatus and a second stage decompression part capable of breathing smoothly.SOLUTION: A slide valve has a configuration such that an outer diameter surface of a tip valve body on which a rubber valve is installed and an outer diameter surface of a base-end valve body on which a demand lever is installed air-tightly slide on an inner diameter surface of a demand body, and the slide valve has a second stage decompression part of a self-contained type or air-supplied type underwater breathing apparatus, in which an inner diameter surface of the base-end valve body air-tightly slides on an outer diameter surface of a nozzle part of a demand valve.SELECTED DRAWING: Figure 7
【課題】本発明は、潜水に使用される自給気又は送気式水中呼吸装置であって、滑らかな吸吸が行なえる第2段減圧部の提供にある。【解決手段】スライド弁は、ゴム弁が設置される先端部弁体の外径面と、デマンド・レバーが設置される基端部弁体の外径面とが、デマンド・ボディの内径面に気密にスライドを行い、かつ前記スライド弁は、基端部弁体の内径面がデマンド弁のノズル部の外径面に気密にスライドを行う自給気式又は送気式水中呼吸装置の第2段減圧部。【選択図】図7
SECOND STAGE DECOMPRESSION PART OF SELF-CONTAINED TYPE OR AIR-SUPPLIED TYPE UNDERWATER BREATHING APPARATUS
自給気式又は送気式水中呼吸装置の第2段減圧部
2018-11-01
Patent
Elektronische Ressource
Japanisch
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