JPH0730654Y2 - ヘルメット - Google Patents
ヘルメットInfo
- Publication number
- JPH0730654Y2 JPH0730654Y2 JP1989124237U JP12423789U JPH0730654Y2 JP H0730654 Y2 JPH0730654 Y2 JP H0730654Y2 JP 1989124237 U JP1989124237 U JP 1989124237U JP 12423789 U JP12423789 U JP 12423789U JP H0730654 Y2 JPH0730654 Y2 JP H0730654Y2
- Authority
- JP
- Japan
- Prior art keywords
- ear
- pad
- covering plate
- shell
- plate
- 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
- 230000037431 insertion Effects 0.000 description 18
- 238000003780 insertion Methods 0.000 description 18
- 230000035939 shock Effects 0.000 description 15
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 13
- 239000006260 foam Substances 0.000 description 13
- 238000009423 ventilation Methods 0.000 description 12
- 239000002184 metal Substances 0.000 description 10
- 238000009958 sewing Methods 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 102100025490 Slit homolog 1 protein Human genes 0.000 description 1
- 101710123186 Slit homolog 1 protein Proteins 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989124237U JPH0730654Y2 (ja) | 1989-10-24 | 1989-10-24 | ヘルメット |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989124237U JPH0730654Y2 (ja) | 1989-10-24 | 1989-10-24 | ヘルメット |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0363535U JPH0363535U (OSRAM) | 1991-06-20 |
| JPH0730654Y2 true JPH0730654Y2 (ja) | 1995-07-12 |
Family
ID=31672169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989124237U Expired - Lifetime JPH0730654Y2 (ja) | 1989-10-24 | 1989-10-24 | ヘルメット |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730654Y2 (OSRAM) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54135222U (OSRAM) * | 1978-03-09 | 1979-09-19 | ||
| JPS60105626U (ja) * | 1983-12-26 | 1985-07-18 | 大阪グリツプ化工株式会社 | ヘルメツト |
-
1989
- 1989-10-24 JP JP1989124237U patent/JPH0730654Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0363535U (OSRAM) | 1991-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |