JPH0713725Y2 - 防塵マスク - Google Patents

防塵マスク

Info

Publication number
JPH0713725Y2
JPH0713725Y2 JP1987015543U JP1554387U JPH0713725Y2 JP H0713725 Y2 JPH0713725 Y2 JP H0713725Y2 JP 1987015543 U JP1987015543 U JP 1987015543U JP 1554387 U JP1554387 U JP 1554387U JP H0713725 Y2 JPH0713725 Y2 JP H0713725Y2
Authority
JP
Japan
Prior art keywords
dust
filter
mask
outside air
plate
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.)
Expired - Lifetime
Application number
JP1987015543U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63124954U (US07902200-20110308-C00004.png
Inventor
守綱 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midori Anzen Co Ltd
Original Assignee
Midori Anzen Co Ltd
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 by Midori Anzen Co Ltd filed Critical Midori Anzen Co Ltd
Priority to JP1987015543U priority Critical patent/JPH0713725Y2/ja
Publication of JPS63124954U publication Critical patent/JPS63124954U/ja
Application granted granted Critical
Publication of JPH0713725Y2 publication Critical patent/JPH0713725Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP1987015543U 1987-02-06 1987-02-06 防塵マスク Expired - Lifetime JPH0713725Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987015543U JPH0713725Y2 (ja) 1987-02-06 1987-02-06 防塵マスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987015543U JPH0713725Y2 (ja) 1987-02-06 1987-02-06 防塵マスク

Publications (2)

Publication Number Publication Date
JPS63124954U JPS63124954U (US07902200-20110308-C00004.png) 1988-08-15
JPH0713725Y2 true JPH0713725Y2 (ja) 1995-04-05

Family

ID=30806569

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987015543U Expired - Lifetime JPH0713725Y2 (ja) 1987-02-06 1987-02-06 防塵マスク

Country Status (1)

Country Link
JP (1) JPH0713725Y2 (US07902200-20110308-C00004.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201421156D0 (en) * 2014-11-28 2015-01-14 Finishing Brands Uk Ltd Air-fed visor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330197A (en) * 1976-08-31 1978-03-22 Shigematsu Seisakushiyo Kk Mechanism for improving efficiencies of removing and collecting powder dust of filter in dust protective mask
JPH0242290Y2 (US07902200-20110308-C00004.png) * 1985-06-20 1990-11-09

Also Published As

Publication number Publication date
JPS63124954U (US07902200-20110308-C00004.png) 1988-08-15

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