JPS6347515Y2 - - Google Patents
Info
- Publication number
- JPS6347515Y2 JPS6347515Y2 JP1982128394U JP12839482U JPS6347515Y2 JP S6347515 Y2 JPS6347515 Y2 JP S6347515Y2 JP 1982128394 U JP1982128394 U JP 1982128394U JP 12839482 U JP12839482 U JP 12839482U JP S6347515 Y2 JPS6347515 Y2 JP S6347515Y2
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- maleic anhydride
- foam
- metal plates
- styrene
- 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
- 229910052751 metal Inorganic materials 0.000 claims description 36
- 239000002184 metal Substances 0.000 claims description 36
- 239000006260 foam Substances 0.000 claims description 22
- 239000002245 particle Substances 0.000 claims description 18
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 claims description 9
- 229920000147 Styrene maleic anhydride Polymers 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 8
- 229920005992 thermoplastic resin Polymers 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000011247 coating layer Substances 0.000 claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12839482U JPS5932492U (ja) | 1982-08-24 | 1982-08-24 | 黒板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12839482U JPS5932492U (ja) | 1982-08-24 | 1982-08-24 | 黒板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5932492U JPS5932492U (ja) | 1984-02-29 |
| JPS6347515Y2 true JPS6347515Y2 (US20100056889A1-20100304-C00004.png) | 1988-12-07 |
Family
ID=30291282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12839482U Granted JPS5932492U (ja) | 1982-08-24 | 1982-08-24 | 黒板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5932492U (US20100056889A1-20100304-C00004.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51139432A (en) * | 1976-05-10 | 1976-12-01 | Daido Steel Sheet Corp | Method of manufacturing blackboard |
-
1982
- 1982-08-24 JP JP12839482U patent/JPS5932492U/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51139432A (en) * | 1976-05-10 | 1976-12-01 | Daido Steel Sheet Corp | Method of manufacturing blackboard |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5932492U (ja) | 1984-02-29 |
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