JPH0623153Y2 - 地中電線埋設自在保護管 - Google Patents
地中電線埋設自在保護管Info
- Publication number
- JPH0623153Y2 JPH0623153Y2 JP13854889U JP13854889U JPH0623153Y2 JP H0623153 Y2 JPH0623153 Y2 JP H0623153Y2 JP 13854889 U JP13854889 U JP 13854889U JP 13854889 U JP13854889 U JP 13854889U JP H0623153 Y2 JPH0623153 Y2 JP H0623153Y2
- Authority
- JP
- Japan
- Prior art keywords
- peripheral groove
- inner peripheral
- spherical
- outer peripheral
- bulging portion
- 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 - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims description 58
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13854889U JPH0623153Y2 (ja) | 1989-11-29 | 1989-11-29 | 地中電線埋設自在保護管 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13854889U JPH0623153Y2 (ja) | 1989-11-29 | 1989-11-29 | 地中電線埋設自在保護管 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0377227U JPH0377227U (en)van) | 1991-08-02 |
| JPH0623153Y2 true JPH0623153Y2 (ja) | 1994-06-15 |
Family
ID=31685642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13854889U Expired - Fee Related JPH0623153Y2 (ja) | 1989-11-29 | 1989-11-29 | 地中電線埋設自在保護管 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623153Y2 (en)van) |
-
1989
- 1989-11-29 JP JP13854889U patent/JPH0623153Y2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0377227U (en)van) | 1991-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |