JPH0521553Y2 - - Google Patents
Info
- Publication number
- JPH0521553Y2 JPH0521553Y2 JP9435887U JP9435887U JPH0521553Y2 JP H0521553 Y2 JPH0521553 Y2 JP H0521553Y2 JP 9435887 U JP9435887 U JP 9435887U JP 9435887 U JP9435887 U JP 9435887U JP H0521553 Y2 JPH0521553 Y2 JP H0521553Y2
- Authority
- JP
- Japan
- Prior art keywords
- cushioning material
- synthetic resin
- manhole
- release paper
- receiving frame
- 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
- 239000000463 material Substances 0.000 claims description 16
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9435887U JPH0521553Y2 (ko) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9435887U JPH0521553Y2 (ko) | 1987-06-19 | 1987-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS64652U JPS64652U (ko) | 1989-01-05 |
| JPH0521553Y2 true JPH0521553Y2 (ko) | 1993-06-02 |
Family
ID=30957733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9435887U Expired - Lifetime JPH0521553Y2 (ko) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521553Y2 (ko) |
-
1987
- 1987-06-19 JP JP9435887U patent/JPH0521553Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS64652U (ko) | 1989-01-05 |
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