JPH0532499Y2 - - Google Patents
Info
- Publication number
- JPH0532499Y2 JPH0532499Y2 JP1988083131U JP8313188U JPH0532499Y2 JP H0532499 Y2 JPH0532499 Y2 JP H0532499Y2 JP 1988083131 U JP1988083131 U JP 1988083131U JP 8313188 U JP8313188 U JP 8313188U JP H0532499 Y2 JPH0532499 Y2 JP H0532499Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- shield plate
- cap body
- plate
- 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.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 40
- 238000007599 discharging Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 241001272720 Medialuna californiensis Species 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988083131U JPH0532499Y2 (is) | 1988-06-23 | 1988-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988083131U JPH0532499Y2 (is) | 1988-06-23 | 1988-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0210428U JPH0210428U (is) | 1990-01-23 |
| JPH0532499Y2 true JPH0532499Y2 (is) | 1993-08-19 |
Family
ID=31307853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988083131U Expired - Lifetime JPH0532499Y2 (is) | 1988-06-23 | 1988-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0532499Y2 (is) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61172124U (is) * | 1985-04-17 | 1986-10-25 | ||
| JPS62110228U (is) * | 1985-12-28 | 1987-07-14 |
-
1988
- 1988-06-23 JP JP1988083131U patent/JPH0532499Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210428U (is) | 1990-01-23 |
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