JPS6220791Y2 - - Google Patents
Info
- Publication number
- JPS6220791Y2 JPS6220791Y2 JP2871883U JP2871883U JPS6220791Y2 JP S6220791 Y2 JPS6220791 Y2 JP S6220791Y2 JP 2871883 U JP2871883 U JP 2871883U JP 2871883 U JP2871883 U JP 2871883U JP S6220791 Y2 JPS6220791 Y2 JP S6220791Y2
- Authority
- JP
- Japan
- Prior art keywords
- sand
- bag
- pillow
- pipes
- pipe
- 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
- 239000004576 sand Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sewage (AREA)
- Supports For Pipes And Cables (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2871883U JPS59133878U (ja) | 1983-02-28 | 1983-02-28 | 埋設配管用枕台 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2871883U JPS59133878U (ja) | 1983-02-28 | 1983-02-28 | 埋設配管用枕台 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59133878U JPS59133878U (ja) | 1984-09-07 |
JPS6220791Y2 true JPS6220791Y2 (enrdf_load_html_response) | 1987-05-27 |
Family
ID=30159600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2871883U Granted JPS59133878U (ja) | 1983-02-28 | 1983-02-28 | 埋設配管用枕台 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59133878U (enrdf_load_html_response) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020065164A (ko) * | 2001-02-06 | 2002-08-13 | 주식회사 동성엔지니어링 | 배수관 매설 공법 |
-
1983
- 1983-02-28 JP JP2871883U patent/JPS59133878U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59133878U (ja) | 1984-09-07 |