DE3023067C2 - - Google Patents
Info
- Publication number
- DE3023067C2 DE3023067C2 DE19803023067 DE3023067A DE3023067C2 DE 3023067 C2 DE3023067 C2 DE 3023067C2 DE 19803023067 DE19803023067 DE 19803023067 DE 3023067 A DE3023067 A DE 3023067A DE 3023067 C2 DE3023067 C2 DE 3023067C2
- Authority
- DE
- Germany
- Prior art keywords
- edges
- panel
- writing
- board
- edge
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000011324 bead Substances 0.000 description 6
- 239000011093 chipboard Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000005253 cladding Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/06—Blackboards rigid
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803023067 DE3023067A1 (de) | 1980-06-20 | 1980-06-20 | Grossfeldtafel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803023067 DE3023067A1 (de) | 1980-06-20 | 1980-06-20 | Grossfeldtafel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3023067A1 DE3023067A1 (de) | 1982-01-14 |
| DE3023067C2 true DE3023067C2 (Direct) | 1988-02-18 |
Family
ID=6105033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803023067 Granted DE3023067A1 (de) | 1980-06-20 | 1980-06-20 | Grossfeldtafel |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3023067A1 (Direct) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0109565A3 (de) * | 1982-10-26 | 1986-09-03 | Weyel KG | Tafel für Lehrzwecke |
| DE29810724U1 (de) * | 1998-06-16 | 1999-10-28 | Walter Hebel GmbH & Co, 57548 Kirchen | Wandtafel |
| RU2179930C2 (ru) * | 2000-06-05 | 2002-02-27 | Ямщиков Евгений Петрович | Аудиторная доска |
| RU2219063C1 (ru) * | 2002-08-15 | 2003-12-20 | Ямщиков Евгений Петрович | Аудиторная доска ямщикова |
| RU2216451C1 (ru) * | 2002-11-28 | 2003-11-20 | Общество с ограниченной ответственностью "Веди-СЛ" | Способ изготовления крупногабаритных аудиторных досок |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3234650A (en) * | 1962-09-19 | 1966-02-15 | Hamilton Mfg Co | Drafting board construction |
| DE6753221U (de) * | 1968-06-18 | 1969-04-10 | Schaffizel Kg Schulmoebel | Schulwandtafel |
| DE1916397A1 (de) * | 1969-03-31 | 1971-01-07 | Schulwandtafelfabrik Walter We | Schultafel |
| DE7725531U1 (de) * | 1977-08-17 | 1977-12-01 | E. U. R. Neuland Ohg Metall- Und Kunststoffverarbeitung, 6405 Eichenzell | Ein- und doppelseitig benutzbare, mobile schulungs- und/oder informationswand |
-
1980
- 1980-06-20 DE DE19803023067 patent/DE3023067A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3023067A1 (de) | 1982-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |