JPH0210431U - - Google Patents
Info
- Publication number
- JPH0210431U JPH0210431U JP8313488U JP8313488U JPH0210431U JP H0210431 U JPH0210431 U JP H0210431U JP 8313488 U JP8313488 U JP 8313488U JP 8313488 U JP8313488 U JP 8313488U JP H0210431 U JPH0210431 U JP H0210431U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- cap body
- ventilation gap
- ventilation
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 8
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8313488U JPH0441137Y2 (nl) | 1988-06-23 | 1988-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8313488U JPH0441137Y2 (nl) | 1988-06-23 | 1988-06-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0210431U true JPH0210431U (nl) | 1990-01-23 |
| JPH0441137Y2 JPH0441137Y2 (nl) | 1992-09-28 |
Family
ID=31307856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8313488U Expired JPH0441137Y2 (nl) | 1988-06-23 | 1988-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441137Y2 (nl) |
-
1988
- 1988-06-23 JP JP8313488U patent/JPH0441137Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0441137Y2 (nl) | 1992-09-28 |