JPH02126665U - - Google Patents

Info

Publication number
JPH02126665U
JPH02126665U JP11122288U JP11122288U JPH02126665U JP H02126665 U JPH02126665 U JP H02126665U JP 11122288 U JP11122288 U JP 11122288U JP 11122288 U JP11122288 U JP 11122288U JP H02126665 U JPH02126665 U JP H02126665U
Authority
JP
Japan
Prior art keywords
filter material
mask body
front cover
mask
valve seat
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
JP11122288U
Other languages
English (en)
Other versions
JPH0717317Y2 (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 JP1988111222U priority Critical patent/JPH0717317Y2/ja
Publication of JPH02126665U publication Critical patent/JPH02126665U/ja
Application granted granted Critical
Publication of JPH0717317Y2 publication Critical patent/JPH0717317Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • 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縮小正面
図、第2図は第1図の−線縦断側面図、第3
図はフロントカバー及びろ過材を除去した第1図
と同様の正面図、第4図は第3図の右側面図、第
5図はフロントカバーを除去した第1図と同様の
正面図である。 1……フロントカバー、2……マスク本体、7
……ろ過材、8……ろ過材挟持面、9……ろ過材
挟持リブ、10,11……支持突条、12……弧
状当て面、13……位置決めピン、19……ろ過
材挟持線。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) マスク本体に吸気弁座と排気弁座とが設け
    られ、該両弁座がマスク本体に着脱自在に取付け
    られた一個のフロントカバーによつて被覆され、
    吸気弁を通してマスク内に吸引される外気をろ過
    するろ過材がマスク本体とフロントカバーとの間
    に配設され、そして該ろ過材の周縁部がマスク本
    体の外面に吸気弁座を囲むようにして設けたろ過
    材挟持面とフロントカバーの内面に突設されたろ
    過材挟持リブとにより挟持され、そしてまた、ろ
    過材がマスク本体の外面及びフロントカバーの内
    面から所要の距離離れているところの防じんマス
    ク。 (2) マスク本体の適所に、一個又は複数個の、
    ろ過材取付け用の位置決め突条又は位置決め突起
    が設けられているところの請求項(1)に記載の防
    じんマスク。
JP1988111222U 1988-08-26 1988-08-26 防じんマスク Expired - Lifetime JPH0717317Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988111222U JPH0717317Y2 (ja) 1988-08-26 1988-08-26 防じんマスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988111222U JPH0717317Y2 (ja) 1988-08-26 1988-08-26 防じんマスク

Publications (2)

Publication Number Publication Date
JPH02126665U true JPH02126665U (ja) 1990-10-18
JPH0717317Y2 JPH0717317Y2 (ja) 1995-04-26

Family

ID=31659713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988111222U Expired - Lifetime JPH0717317Y2 (ja) 1988-08-26 1988-08-26 防じんマスク

Country Status (1)

Country Link
JP (1) JPH0717317Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10603456B2 (en) 2011-04-15 2020-03-31 Fisher & Paykel Healthcare Limited Interface comprising a nasal sealing portion

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497097U (ja) * 1977-12-20 1979-07-09
JPS58115245U (ja) * 1982-02-01 1983-08-06 興研株式会社 防じんマスク
JPS629886U (ja) * 1985-06-28 1987-01-21

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497097U (ja) * 1977-12-20 1979-07-09
JPS58115245U (ja) * 1982-02-01 1983-08-06 興研株式会社 防じんマスク
JPS629886U (ja) * 1985-06-28 1987-01-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10603456B2 (en) 2011-04-15 2020-03-31 Fisher & Paykel Healthcare Limited Interface comprising a nasal sealing portion

Also Published As

Publication number Publication date
JPH0717317Y2 (ja) 1995-04-26

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