JPH0634336Y2 - ヘルメットにおける外気導入孔開閉装置 - Google Patents

ヘルメットにおける外気導入孔開閉装置

Info

Publication number
JPH0634336Y2
JPH0634336Y2 JP1989031675U JP3167589U JPH0634336Y2 JP H0634336 Y2 JPH0634336 Y2 JP H0634336Y2 JP 1989031675 U JP1989031675 U JP 1989031675U JP 3167589 U JP3167589 U JP 3167589U JP H0634336 Y2 JPH0634336 Y2 JP H0634336Y2
Authority
JP
Japan
Prior art keywords
valve
substrate
outside air
cover
hole
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 - Fee Related
Application number
JP1989031675U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02122032U (enrdf_load_stackoverflow
Inventor
栄太郎 鎌田
Original Assignee
昭栄化工株式会社
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 昭栄化工株式会社 filed Critical 昭栄化工株式会社
Priority to JP1989031675U priority Critical patent/JPH0634336Y2/ja
Publication of JPH02122032U publication Critical patent/JPH02122032U/ja
Application granted granted Critical
Publication of JPH0634336Y2 publication Critical patent/JPH0634336Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
JP1989031675U 1989-03-20 1989-03-20 ヘルメットにおける外気導入孔開閉装置 Expired - Fee Related JPH0634336Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989031675U JPH0634336Y2 (ja) 1989-03-20 1989-03-20 ヘルメットにおける外気導入孔開閉装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989031675U JPH0634336Y2 (ja) 1989-03-20 1989-03-20 ヘルメットにおける外気導入孔開閉装置

Publications (2)

Publication Number Publication Date
JPH02122032U JPH02122032U (enrdf_load_stackoverflow) 1990-10-04
JPH0634336Y2 true JPH0634336Y2 (ja) 1994-09-07

Family

ID=31257704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989031675U Expired - Fee Related JPH0634336Y2 (ja) 1989-03-20 1989-03-20 ヘルメットにおける外気導入孔開閉装置

Country Status (1)

Country Link
JP (1) JPH0634336Y2 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01147219U (enrdf_load_stackoverflow) * 1988-03-30 1989-10-11

Also Published As

Publication number Publication date
JPH02122032U (enrdf_load_stackoverflow) 1990-10-04

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees