JPH0321349U - - Google Patents

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Publication number
JPH0321349U
JPH0321349U JP8167589U JP8167589U JPH0321349U JP H0321349 U JPH0321349 U JP H0321349U JP 8167589 U JP8167589 U JP 8167589U JP 8167589 U JP8167589 U JP 8167589U JP H0321349 U JPH0321349 U JP H0321349U
Authority
JP
Japan
Prior art keywords
intake chamber
front cover
mask
peripheral edge
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8167589U
Other languages
English (en)
Other versions
JP2523988Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989081675U priority Critical patent/JP2523988Y2/ja
Publication of JPH0321349U publication Critical patent/JPH0321349U/ja
Application granted granted Critical
Publication of JP2523988Y2 publication Critical patent/JP2523988Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Respiratory Apparatuses And Protective Means (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係るマスクの一例の側面図、
第２図は同要部切断拡大側面図、第３図は第１図
の−線断面図、第４図は第１図に示すマスク
の縮小正面図である。

Claims (1)

    【実用新案登録請求の範囲】
  1. マスク本体の外面にその前面及び左右両側を囲
    む形状の吸気室本体が配置され、該吸気室本体が
    その左右両端部においてそれぞれ吸気弁座体によ
    りマスク本体に結合され、吸気室本体の前面にそ
    れとほぼ同形の吸気室フロントカバーが取り外し
    自在に取り付けられ、吸気弁を通してマスク内に
    吸入される外気をろ過するろ過材が吸気室本体と
    吸気室フロントカバーとの間に配設され、該ろ過
    材の周縁部が吸気室本体の前面周縁部に設けたろ
    過材挟持面と吸気室フロントカバーの内面周縁部
    に設けたろ過材挟持面とにより気密に挟持され、
    吸気室本体の前面及び吸気室フロントカバーの内
    面にそれぞれ間隔を置いて設けた多数の凸条又は
    突起により過材が支持されているところの防じ
    んマスク。
JP1989081675U 1989-07-13 1989-07-13 防じんマスク Expired - Lifetime JP2523988Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989081675U JP2523988Y2 (ja) 1989-07-13 1989-07-13 防じんマスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989081675U JP2523988Y2 (ja) 1989-07-13 1989-07-13 防じんマスク

Publications (2)

Publication Number Publication Date
JPH0321349U true JPH0321349U (ja) 1991-03-04
JP2523988Y2 JP2523988Y2 (ja) 1997-01-29

Family

ID=31627822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989081675U Expired - Lifetime JP2523988Y2 (ja) 1989-07-13 1989-07-13 防じんマスク

Country Status (1)

Country Link
JP (1) JP2523988Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019512344A (ja) * 2016-03-28 2019-05-16 スリーエム イノベイティブ プロパティズ カンパニー 複数チャンバ式呼吸マスクの封止装置及び方法
KR102238433B1 (ko) * 2020-06-19 2021-04-09 박병연 두건형 방역 마스크

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629886U (ja) * 1985-06-28 1987-01-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629886U (ja) * 1985-06-28 1987-01-21

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019512344A (ja) * 2016-03-28 2019-05-16 スリーエム イノベイティブ プロパティズ カンパニー 複数チャンバ式呼吸マスクの封止装置及び方法
KR102238433B1 (ko) * 2020-06-19 2021-04-09 박병연 두건형 방역 마스크

Also Published As

Publication number Publication date
JP2523988Y2 (ja) 1997-01-29

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term