JPH0139690Y2 - - Google Patents
Info
- Publication number
- JPH0139690Y2 JPH0139690Y2 JP1984057773U JP5777384U JPH0139690Y2 JP H0139690 Y2 JPH0139690 Y2 JP H0139690Y2 JP 1984057773 U JP1984057773 U JP 1984057773U JP 5777384 U JP5777384 U JP 5777384U JP H0139690 Y2 JPH0139690 Y2 JP H0139690Y2
- Authority
- JP
- Japan
- Prior art keywords
- mask
- user
- helmet
- breathing
- window hole
- 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
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 23
- 239000013013 elastic material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5777384U JPS60169231U (ja) | 1984-04-19 | 1984-04-19 | ヘルメツト |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5777384U JPS60169231U (ja) | 1984-04-19 | 1984-04-19 | ヘルメツト |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60169231U JPS60169231U (ja) | 1985-11-09 |
JPH0139690Y2 true JPH0139690Y2 (fr) | 1989-11-29 |
Family
ID=30582620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5777384U Granted JPS60169231U (ja) | 1984-04-19 | 1984-04-19 | ヘルメツト |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60169231U (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS492798U (fr) * | 1972-04-10 | 1974-01-11 | ||
JPS52105044A (en) * | 1975-11-07 | 1977-09-03 | Draegerwerk Ag | Protecting helmet connected with respiration protecting mask |
-
1984
- 1984-04-19 JP JP5777384U patent/JPS60169231U/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS492798U (fr) * | 1972-04-10 | 1974-01-11 | ||
JPS52105044A (en) * | 1975-11-07 | 1977-09-03 | Draegerwerk Ag | Protecting helmet connected with respiration protecting mask |
Also Published As
Publication number | Publication date |
---|---|
JPS60169231U (ja) | 1985-11-09 |
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