JPH0440660U - - Google Patents
Info
- Publication number
- JPH0440660U JPH0440660U JP8228990U JP8228990U JPH0440660U JP H0440660 U JPH0440660 U JP H0440660U JP 8228990 U JP8228990 U JP 8228990U JP 8228990 U JP8228990 U JP 8228990U JP H0440660 U JPH0440660 U JP H0440660U
- Authority
- JP
- Japan
- Prior art keywords
- mask
- valve
- hole
- atmosphere
- air
- 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
- 230000005484 gravity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8228990U JPH0440660U (pt) | 1990-08-01 | 1990-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8228990U JPH0440660U (pt) | 1990-08-01 | 1990-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0440660U true JPH0440660U (pt) | 1992-04-07 |
Family
ID=31628965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8228990U Pending JPH0440660U (pt) | 1990-08-01 | 1990-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440660U (pt) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5233196B1 (pt) * | 1970-09-17 | 1977-08-26 | ||
| JPS6043232B2 (ja) * | 1981-12-14 | 1985-09-27 | 小池酸素工業株式会社 | プラズマ切断機に於ける排煙装置 |
-
1990
- 1990-08-01 JP JP8228990U patent/JPH0440660U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5233196B1 (pt) * | 1970-09-17 | 1977-08-26 | ||
| JPS6043232B2 (ja) * | 1981-12-14 | 1985-09-27 | 小池酸素工業株式会社 | プラズマ切断機に於ける排煙装置 |