JPS61154929U - - Google Patents
Info
- Publication number
- JPS61154929U JPS61154929U JP3853785U JP3853785U JPS61154929U JP S61154929 U JPS61154929 U JP S61154929U JP 3853785 U JP3853785 U JP 3853785U JP 3853785 U JP3853785 U JP 3853785U JP S61154929 U JPS61154929 U JP S61154929U
- Authority
- JP
- Japan
- Prior art keywords
- earplug
- main body
- kept
- vacuum state
- interior
- 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.)
- Pending
Links
Landscapes
- Building Environments (AREA)
Description
図は防音用耳栓の側面図である。
Aは防音用耳栓の本体、A′は防音用耳栓Aの
内部を真空状態にした部分。
The figure is a side view of the soundproof earplug. A is the main body of the soundproof earplug, and A' is the part where the inside of the soundproof earplug A is in a vacuum state.
Claims (1)
にして外部からの騒音を遮断できるようにしたも
のである。 In the present invention, the interior A' of the main body A of the earplug is kept in a vacuum state to block noise from the outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3853785U JPS61154929U (en) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3853785U JPS61154929U (en) | 1985-03-18 | 1985-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61154929U true JPS61154929U (en) | 1986-09-26 |
Family
ID=30545635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3853785U Pending JPS61154929U (en) | 1985-03-18 | 1985-03-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61154929U (en) |
-
1985
- 1985-03-18 JP JP3853785U patent/JPS61154929U/ja active Pending