JPH0437972Y2 - - Google Patents
Info
- Publication number
- JPH0437972Y2 JPH0437972Y2 JP1985077554U JP7755485U JPH0437972Y2 JP H0437972 Y2 JPH0437972 Y2 JP H0437972Y2 JP 1985077554 U JP1985077554 U JP 1985077554U JP 7755485 U JP7755485 U JP 7755485U JP H0437972 Y2 JPH0437972 Y2 JP H0437972Y2
- Authority
- JP
- Japan
- Prior art keywords
- fixture
- safety net
- manhole
- threaded
- threaded part
- 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
- 238000004519 manufacturing process Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985077554U JPH0437972Y2 (US20020051482A1-20020502-M00012.png) | 1985-05-24 | 1985-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985077554U JPH0437972Y2 (US20020051482A1-20020502-M00012.png) | 1985-05-24 | 1985-05-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61193156U JPS61193156U (US20020051482A1-20020502-M00012.png) | 1986-12-01 |
| JPH0437972Y2 true JPH0437972Y2 (US20020051482A1-20020502-M00012.png) | 1992-09-07 |
Family
ID=30620724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985077554U Expired JPH0437972Y2 (US20020051482A1-20020502-M00012.png) | 1985-05-24 | 1985-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437972Y2 (US20020051482A1-20020502-M00012.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100859194B1 (ko) | 2007-06-26 | 2008-09-18 | 주식회사 엠앤디 | 교각용 안전망 설치장치 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5039664U (US20020051482A1-20020502-M00012.png) * | 1973-08-10 | 1975-04-23 | ||
| JPS5513274B2 (US20020051482A1-20020502-M00012.png) * | 1977-03-04 | 1980-04-08 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5513274U (US20020051482A1-20020502-M00012.png) * | 1978-07-11 | 1980-01-28 |
-
1985
- 1985-05-24 JP JP1985077554U patent/JPH0437972Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5039664U (US20020051482A1-20020502-M00012.png) * | 1973-08-10 | 1975-04-23 | ||
| JPS5513274B2 (US20020051482A1-20020502-M00012.png) * | 1977-03-04 | 1980-04-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61193156U (US20020051482A1-20020502-M00012.png) | 1986-12-01 |
