JPH0240972Y2 - - Google Patents

Info

Publication number
JPH0240972Y2
JPH0240972Y2 JP13456586U JP13456586U JPH0240972Y2 JP H0240972 Y2 JPH0240972 Y2 JP H0240972Y2 JP 13456586 U JP13456586 U JP 13456586U JP 13456586 U JP13456586 U JP 13456586U JP H0240972 Y2 JPH0240972 Y2 JP H0240972Y2
Authority
JP
Japan
Prior art keywords
rubber material
block
outer end
push rod
aircraft
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
JP13456586U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6340919U (en]
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 JP13456586U priority Critical patent/JPH0240972Y2/ja
Publication of JPS6340919U publication Critical patent/JPS6340919U/ja
Application granted granted Critical
Publication of JPH0240972Y2 publication Critical patent/JPH0240972Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Adornments (AREA)
  • Headphones And Earphones (AREA)
JP13456586U 1986-09-02 1986-09-02 Expired JPH0240972Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13456586U JPH0240972Y2 (en]) 1986-09-02 1986-09-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13456586U JPH0240972Y2 (en]) 1986-09-02 1986-09-02

Publications (2)

Publication Number Publication Date
JPS6340919U JPS6340919U (en]) 1988-03-17
JPH0240972Y2 true JPH0240972Y2 (en]) 1990-10-31

Family

ID=31035924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13456586U Expired JPH0240972Y2 (en]) 1986-09-02 1986-09-02

Country Status (1)

Country Link
JP (1) JPH0240972Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105105921B (zh) * 2015-09-14 2018-02-23 中国人民解放军第二炮兵总医院 可调式亚真空耳塞

Also Published As

Publication number Publication date
JPS6340919U (en]) 1988-03-17

Similar Documents

Publication Publication Date Title
US3110356A (en) Earplug
US3047089A (en) Ear plugs
US4552137A (en) Earplugs
US5333622A (en) Earplug and hearing devices formed in-situ
US6820717B2 (en) Pressure regulating earplug
US2785675A (en) Ear protecting devices
US3123069A (en) Ear insert
US3872559A (en) Ear plug
US3602654A (en) Hydraulically expandable earpiece
US2876767A (en) Ear plug
US2437490A (en) Ear defender
US6339648B1 (en) In-ear system
US5205298A (en) Method and apparatus for use in applying elastomeric coverings to body
US4724922A (en) Acoustic earpiece
US3881570A (en) Self-fitting hearing protector
EP0862398B1 (en) Pressure-regulating ear plug
SE9003501D0 (sv) Oeronkaapa foer hoerselskydd eller hoerlurar
US6425398B1 (en) Earplug
JPS63152300A (ja) 聴覚補助装置及びそのスリーブ
US3131241A (en) Method for making an improved ear plug
US5467784A (en) Pressure-regulating ear plug
US3506981A (en) Noise absorbing earmuffs
US3895627A (en) Ear protector
US2441866A (en) Device for protecting the ear drum
US2910980A (en) Ear protector