JPS6245919Y2 - - Google Patents
Info
- Publication number
- JPS6245919Y2 JPS6245919Y2 JP19029181U JP19029181U JPS6245919Y2 JP S6245919 Y2 JPS6245919 Y2 JP S6245919Y2 JP 19029181 U JP19029181 U JP 19029181U JP 19029181 U JP19029181 U JP 19029181U JP S6245919 Y2 JPS6245919 Y2 JP S6245919Y2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- magnetic attraction
- roll sheet
- writing board
- winding
- 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
- 238000004804 winding Methods 0.000 claims description 24
- 230000005291 magnetic effect Effects 0.000 claims description 22
- 239000003302 ferromagnetic material Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19029181U JPS5894586U (ja) | 1981-12-22 | 1981-12-22 | 磁力吸着標示可能なシ−ト巻取式筆記板装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19029181U JPS5894586U (ja) | 1981-12-22 | 1981-12-22 | 磁力吸着標示可能なシ−ト巻取式筆記板装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5894586U JPS5894586U (ja) | 1983-06-27 |
| JPS6245919Y2 true JPS6245919Y2 (enrdf_load_stackoverflow) | 1987-12-09 |
Family
ID=30103878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19029181U Granted JPS5894586U (ja) | 1981-12-22 | 1981-12-22 | 磁力吸着標示可能なシ−ト巻取式筆記板装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5894586U (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5779375B2 (ja) * | 2011-03-09 | 2015-09-16 | プラス株式会社 | 電子黒板装置 |
-
1981
- 1981-12-22 JP JP19029181U patent/JPS5894586U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5894586U (ja) | 1983-06-27 |
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