JPH0342151Y2 - - Google Patents
Info
- Publication number
- JPH0342151Y2 JPH0342151Y2 JP4964887U JP4964887U JPH0342151Y2 JP H0342151 Y2 JPH0342151 Y2 JP H0342151Y2 JP 4964887 U JP4964887 U JP 4964887U JP 4964887 U JP4964887 U JP 4964887U JP H0342151 Y2 JPH0342151 Y2 JP H0342151Y2
- Authority
- JP
- Japan
- Prior art keywords
- plastic
- shaped groove
- bottom wall
- thickness
- shaped
- 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
- 239000004033 plastic Substances 0.000 claims description 38
- 229920003023 plastic Polymers 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 description 12
- 238000005452 bending Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011388 polymer cement concrete Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4964887U JPH0342151Y2 (en:Method) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4964887U JPH0342151Y2 (en:Method) | 1987-03-31 | 1987-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63156278U JPS63156278U (en:Method) | 1988-10-13 |
| JPH0342151Y2 true JPH0342151Y2 (en:Method) | 1991-09-04 |
Family
ID=30872295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4964887U Expired JPH0342151Y2 (en:Method) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342151Y2 (en:Method) |
-
1987
- 1987-03-31 JP JP4964887U patent/JPH0342151Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63156278U (en:Method) | 1988-10-13 |
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