JPH068970Y2 - 防塵ヘルメット - Google Patents

防塵ヘルメット

Info

Publication number
JPH068970Y2
JPH068970Y2 JP1987117602U JP11760287U JPH068970Y2 JP H068970 Y2 JPH068970 Y2 JP H068970Y2 JP 1987117602 U JP1987117602 U JP 1987117602U JP 11760287 U JP11760287 U JP 11760287U JP H068970 Y2 JPH068970 Y2 JP H068970Y2
Authority
JP
Japan
Prior art keywords
air
helmet
refrigerant
main body
opening
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
JP1987117602U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6422733U (en]
Inventor
勇夫 林
Original Assignee
株式会社 ミケン
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 株式会社 ミケン filed Critical 株式会社 ミケン
Priority to JP1987117602U priority Critical patent/JPH068970Y2/ja
Publication of JPS6422733U publication Critical patent/JPS6422733U/ja
Application granted granted Critical
Publication of JPH068970Y2 publication Critical patent/JPH068970Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
JP1987117602U 1987-07-31 1987-07-31 防塵ヘルメット Expired - Lifetime JPH068970Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987117602U JPH068970Y2 (ja) 1987-07-31 1987-07-31 防塵ヘルメット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987117602U JPH068970Y2 (ja) 1987-07-31 1987-07-31 防塵ヘルメット

Publications (2)

Publication Number Publication Date
JPS6422733U JPS6422733U (en]) 1989-02-06
JPH068970Y2 true JPH068970Y2 (ja) 1994-03-09

Family

ID=31361206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987117602U Expired - Lifetime JPH068970Y2 (ja) 1987-07-31 1987-07-31 防塵ヘルメット

Country Status (1)

Country Link
JP (1) JPH068970Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2011238600B2 (en) * 2010-04-06 2013-05-09 3M Innovative Properties Company Air filtration device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8507916D0 (en) * 1985-03-27 1985-05-01 Helmets Ltd Helmet
JPS6237045U (en]) * 1985-08-23 1987-03-05

Also Published As

Publication number Publication date
JPS6422733U (en]) 1989-02-06

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