JPS646698U - - Google Patents
Info
- Publication number
- JPS646698U JPS646698U JP10100187U JP10100187U JPS646698U JP S646698 U JPS646698 U JP S646698U JP 10100187 U JP10100187 U JP 10100187U JP 10100187 U JP10100187 U JP 10100187U JP S646698 U JPS646698 U JP S646698U
- Authority
- JP
- Japan
- Prior art keywords
- megaphone
- air
- voices
- swollen
- amplifying
- 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
- 238000007664 blowing Methods 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
第１図はメガホンの斜視図、第２図は展開図で
ある。 １……空気吹き込み口、２……空気道、３……
接口部、４……拡声口、５……ホツク凹、６……
ホツク凸、７……ホツクについたメガホンの一側
面。
ある。 １……空気吹き込み口、２……空気道、３……
接口部、４……拡声口、５……ホツク凹、６……
ホツク凸、７……ホツクについたメガホンの一側
面。
Claims (1)
- 声を拡大するメガホンにおいて、その素材にビ
ニールシートを用い、空気吹き込み口１より空気
を吹き込み、ふくらんだ弾力のあるメガホンを形
成する。側面７にとりつけられているホツクをは
ずすことにより、展開可能なクツシヨンシートと
もなる、組立式のメガホン。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10100187U JPS646698U (ja) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10100187U JPS646698U (ja) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646698U true JPS646698U (ja) | 1989-01-13 |
Family
ID=31329594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10100187U Pending JPS646698U (ja) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646698U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038400U (ja) * | 1989-06-13 | 1991-01-25 |
-
1987
- 1987-07-02 JP JP10100187U patent/JPS646698U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038400U (ja) * | 1989-06-13 | 1991-01-25 |