JPH0516175Y2 - - Google Patents

Info

Publication number
JPH0516175Y2
JPH0516175Y2 JP1989081018U JP8101889U JPH0516175Y2 JP H0516175 Y2 JPH0516175 Y2 JP H0516175Y2 JP 1989081018 U JP1989081018 U JP 1989081018U JP 8101889 U JP8101889 U JP 8101889U JP H0516175 Y2 JPH0516175 Y2 JP H0516175Y2
Authority
JP
Japan
Prior art keywords
air
helmet
check valve
valve body
flow pipe
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
JP1989081018U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0322025U (pm
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 JP1989081018U priority Critical patent/JPH0516175Y2/ja
Publication of JPH0322025U publication Critical patent/JPH0322025U/ja
Application granted granted Critical
Publication of JPH0516175Y2 publication Critical patent/JPH0516175Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Helmets And Other Head Coverings (AREA)
JP1989081018U 1989-07-10 1989-07-10 Expired - Lifetime JPH0516175Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989081018U JPH0516175Y2 (pm) 1989-07-10 1989-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989081018U JPH0516175Y2 (pm) 1989-07-10 1989-07-10

Publications (2)

Publication Number Publication Date
JPH0322025U JPH0322025U (pm) 1991-03-06
JPH0516175Y2 true JPH0516175Y2 (pm) 1993-04-28

Family

ID=31626584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989081018U Expired - Lifetime JPH0516175Y2 (pm) 1989-07-10 1989-07-10

Country Status (1)

Country Link
JP (1) JPH0516175Y2 (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030006291A (ko) * 2001-07-12 2003-01-23 정승원 헬멧

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH057209Y2 (pm) * 1988-08-10 1993-02-24

Also Published As

Publication number Publication date
JPH0322025U (pm) 1991-03-06

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