JPH0136521Y2 - - Google Patents
Info
- Publication number
- JPH0136521Y2 JPH0136521Y2 JP2002887U JP2002887U JPH0136521Y2 JP H0136521 Y2 JPH0136521 Y2 JP H0136521Y2 JP 2002887 U JP2002887 U JP 2002887U JP 2002887 U JP2002887 U JP 2002887U JP H0136521 Y2 JPH0136521 Y2 JP H0136521Y2
- Authority
- JP
- Japan
- Prior art keywords
- mask
- main body
- sealing plate
- annular main
- face
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000000241 respiratory effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 7
- 206010012239 Delusion Diseases 0.000 description 1
- 231100000868 delusion Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002887U JPH0136521Y2 (enrdf_load_stackoverflow) | 1987-02-16 | 1987-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002887U JPH0136521Y2 (enrdf_load_stackoverflow) | 1987-02-16 | 1987-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63127645U JPS63127645U (enrdf_load_stackoverflow) | 1988-08-22 |
| JPH0136521Y2 true JPH0136521Y2 (enrdf_load_stackoverflow) | 1989-11-07 |
Family
ID=30815159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002887U Expired JPH0136521Y2 (enrdf_load_stackoverflow) | 1987-02-16 | 1987-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0136521Y2 (enrdf_load_stackoverflow) |
-
1987
- 1987-02-16 JP JP2002887U patent/JPH0136521Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63127645U (enrdf_load_stackoverflow) | 1988-08-22 |
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