JPH0216973Y2 - - Google Patents
Info
- Publication number
- JPH0216973Y2 JPH0216973Y2 JP14723086U JP14723086U JPH0216973Y2 JP H0216973 Y2 JPH0216973 Y2 JP H0216973Y2 JP 14723086 U JP14723086 U JP 14723086U JP 14723086 U JP14723086 U JP 14723086U JP H0216973 Y2 JPH0216973 Y2 JP H0216973Y2
- Authority
- JP
- Japan
- Prior art keywords
- helmet
- duct
- air
- hole
- edge
- 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
- 210000003128 head Anatomy 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 210000001061 forehead Anatomy 0.000 claims description 8
- 230000035939 shock Effects 0.000 description 16
- 238000009423 ventilation Methods 0.000 description 7
- 239000004744 fabric Substances 0.000 description 4
- 229920006327 polystyrene foam Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 208000008454 Hyperhidrosis Diseases 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 208000013460 sweaty Diseases 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14723086U JPH0216973Y2 (it) | 1986-09-25 | 1986-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14723086U JPH0216973Y2 (it) | 1986-09-25 | 1986-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6356221U JPS6356221U (it) | 1988-04-15 |
| JPH0216973Y2 true JPH0216973Y2 (it) | 1990-05-11 |
Family
ID=31060405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14723086U Expired JPH0216973Y2 (it) | 1986-09-25 | 1986-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216973Y2 (it) |
-
1986
- 1986-09-25 JP JP14723086U patent/JPH0216973Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6356221U (it) | 1988-04-15 |
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