JP2579923Y2 - 運動場 - Google Patents
運動場Info
- Publication number
- JP2579923Y2 JP2579923Y2 JP119191U JP119191U JP2579923Y2 JP 2579923 Y2 JP2579923 Y2 JP 2579923Y2 JP 119191 U JP119191 U JP 119191U JP 119191 U JP119191 U JP 119191U JP 2579923 Y2 JP2579923 Y2 JP 2579923Y2
- Authority
- JP
- Japan
- Prior art keywords
- holding member
- foam
- ground
- playground
- sand
- 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
- 230000000386 athletic effect Effects 0.000 title claims description 17
- 239000006260 foam Substances 0.000 claims description 31
- 239000004576 sand Substances 0.000 claims description 13
- 244000025254 Cannabis sativa Species 0.000 claims description 9
- 239000000463 material Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000009191 jumping Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7104390 | 1990-07-05 | ||
| JP2-71043 | 1990-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0453804U JPH0453804U (enExample) | 1992-05-08 |
| JP2579923Y2 true JP2579923Y2 (ja) | 1998-09-03 |
Family
ID=33542719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP119191U Expired - Lifetime JP2579923Y2 (ja) | 1990-07-05 | 1991-01-18 | 運動場 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2579923Y2 (enExample) |
-
1991
- 1991-01-18 JP JP119191U patent/JP2579923Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453804U (enExample) | 1992-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19970819 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980428 |