JPH0448221U - - Google Patents
Info
- Publication number
- JPH0448221U JPH0448221U JP8934990U JP8934990U JPH0448221U JP H0448221 U JPH0448221 U JP H0448221U JP 8934990 U JP8934990 U JP 8934990U JP 8934990 U JP8934990 U JP 8934990U JP H0448221 U JPH0448221 U JP H0448221U
- Authority
- JP
- Japan
- Prior art keywords
- helmet
- fan
- fan cover
- ventilation holes
- ventilation
- 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
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8934990U JPH0448221U (sk) | 1990-08-27 | 1990-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8934990U JPH0448221U (sk) | 1990-08-27 | 1990-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448221U true JPH0448221U (sk) | 1992-04-23 |
Family
ID=31823267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8934990U Pending JPH0448221U (sk) | 1990-08-27 | 1990-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448221U (sk) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013523341A (ja) * | 2010-04-06 | 2013-06-17 | スリーエム イノベイティブ プロパティズ カンパニー | 成形スクロールプロファイルを有する放射ブロワー |
| JP2017115275A (ja) * | 2015-12-25 | 2017-06-29 | 株式会社アイビルド | ヘルメット及びこれを用いた作業者管理システム |
-
1990
- 1990-08-27 JP JP8934990U patent/JPH0448221U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013523341A (ja) * | 2010-04-06 | 2013-06-17 | スリーエム イノベイティブ プロパティズ カンパニー | 成形スクロールプロファイルを有する放射ブロワー |
| JP2017115275A (ja) * | 2015-12-25 | 2017-06-29 | 株式会社アイビルド | ヘルメット及びこれを用いた作業者管理システム |