JPS6231086B2 - - Google Patents

Info

Publication number
JPS6231086B2
JPS6231086B2 JP53027041A JP2704178A JPS6231086B2 JP S6231086 B2 JPS6231086 B2 JP S6231086B2 JP 53027041 A JP53027041 A JP 53027041A JP 2704178 A JP2704178 A JP 2704178A JP S6231086 B2 JPS6231086 B2 JP S6231086B2
Authority
JP
Japan
Prior art keywords
helmet
wearer
dust
filter
air
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
Application number
JP53027041A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54120054A (en
Inventor
Yutaka Oogaki
Takeo Fushiki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP2704178A priority Critical patent/JPS54120054A/ja
Publication of JPS54120054A publication Critical patent/JPS54120054A/ja
Publication of JPS6231086B2 publication Critical patent/JPS6231086B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
JP2704178A 1978-03-09 1978-03-09 Dusttproof helmet Granted JPS54120054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2704178A JPS54120054A (en) 1978-03-09 1978-03-09 Dusttproof helmet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2704178A JPS54120054A (en) 1978-03-09 1978-03-09 Dusttproof helmet

Publications (2)

Publication Number Publication Date
JPS54120054A JPS54120054A (en) 1979-09-18
JPS6231086B2 true JPS6231086B2 (enrdf_load_stackoverflow) 1987-07-07

Family

ID=12209972

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2704178A Granted JPS54120054A (en) 1978-03-09 1978-03-09 Dusttproof helmet

Country Status (1)

Country Link
JP (1) JPS54120054A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58176927U (ja) * 1982-05-18 1983-11-26 株式会社シモン 顔面用エアカ−テン装置
JP2010047874A (ja) * 2008-08-22 2010-03-04 Tokyo Energy & Systems Inc 溶接用ヘルメット
EP2555830A2 (en) * 2010-04-06 2013-02-13 3M Innovative Properties Company Helmet-mounted respirator apparatus with a dual plenum system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1564922A (en) * 1976-04-07 1980-04-16 Racal Amplivox Communication Protective devices

Also Published As

Publication number Publication date
JPS54120054A (en) 1979-09-18

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