JPH01152648U - - Google Patents

Info

Publication number
JPH01152648U
JPH01152648U JP5036588U JP5036588U JPH01152648U JP H01152648 U JPH01152648 U JP H01152648U JP 5036588 U JP5036588 U JP 5036588U JP 5036588 U JP5036588 U JP 5036588U JP H01152648 U JPH01152648 U JP H01152648U
Authority
JP
Japan
Prior art keywords
ventilation holes
sheet
ventilation
nonwoven mat
utility
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.)
Pending
Application number
JP5036588U
Other languages
English (en)
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 JP5036588U priority Critical patent/JPH01152648U/ja
Publication of JPH01152648U publication Critical patent/JPH01152648U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)

Description

【図面の簡単な説明】
第1図は本考案フイルターの一実施例を示す一
部切欠正面図、第2図は第1図A―A線拡大断面
図、第3図は本考案との比較を示すための一部断
面図、第4図は本考案を使用する際のマスク本体
の斜視図である。 図面中、1はフイルター、2は非通気性シート
、3はエレクトレツト繊維状の不織マツト、4,
5は通気孔である。

Claims (1)

    【実用新案登録請求の範囲】
  1. エレクトレツト繊維状の不織マツトを内蔵せし
    めた非通気性シートの一方の面に通気孔を設ける
    と共に、前記シートの他方の面に前記通気孔とは
    異なる位置に通気孔を設けて形成したことを特徴
    とする衛生マスクのフイルター。
JP5036588U 1988-04-14 1988-04-14 Pending JPH01152648U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5036588U JPH01152648U (ja) 1988-04-14 1988-04-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5036588U JPH01152648U (ja) 1988-04-14 1988-04-14

Publications (1)

Publication Number Publication Date
JPH01152648U true JPH01152648U (ja) 1989-10-20

Family

ID=31276419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5036588U Pending JPH01152648U (ja) 1988-04-14 1988-04-14

Country Status (1)

Country Link
JP (1) JPH01152648U (ja)

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