CN105946409A - 一种黑板 - Google Patents
一种黑板 Download PDFInfo
- Publication number
- CN105946409A CN105946409A CN201610283163.4A CN201610283163A CN105946409A CN 105946409 A CN105946409 A CN 105946409A CN 201610283163 A CN201610283163 A CN 201610283163A CN 105946409 A CN105946409 A CN 105946409A
- Authority
- CN
- China
- Prior art keywords
- catch bar
- support
- hold
- dark lattice
- black panel
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 5
- 238000007688 edging Methods 0.000 abstract 4
- 238000001035 drying Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 5
- 230000003670 easy-to-clean Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000001179 sorption measurement Methods 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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
-
- 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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610283163.4A CN105946409B (zh) | 2016-05-03 | 2016-05-03 | 一种黑板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610283163.4A CN105946409B (zh) | 2016-05-03 | 2016-05-03 | 一种黑板 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105946409A true CN105946409A (zh) | 2016-09-21 |
CN105946409B CN105946409B (zh) | 2017-08-25 |
Family
ID=56913148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610283163.4A Expired - Fee Related CN105946409B (zh) | 2016-05-03 | 2016-05-03 | 一种黑板 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105946409B (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020033131A (ko) * | 2002-03-23 | 2002-05-04 | 홍은희 | 다기능 자동화 칠판 |
CN203805563U (zh) * | 2014-04-11 | 2014-09-03 | 李汝南 | 一种自动擦除笔迹的黑板 |
CN204278845U (zh) * | 2014-10-08 | 2015-04-22 | 华北电力大学(保定) | 一种超声波清洗免擦无尘黑板 |
CN205022247U (zh) * | 2015-08-27 | 2016-02-10 | 上海市格致中学 | 一种新型白板擦 |
CN205044382U (zh) * | 2015-05-04 | 2016-02-24 | 綦文彬 | 一种便于清洗的黑板 |
CN205044386U (zh) * | 2015-10-20 | 2016-02-24 | 哈尔滨师范大学 | 一种带有喷水功能的自清洁黑板 |
-
2016
- 2016-05-03 CN CN201610283163.4A patent/CN105946409B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020033131A (ko) * | 2002-03-23 | 2002-05-04 | 홍은희 | 다기능 자동화 칠판 |
CN203805563U (zh) * | 2014-04-11 | 2014-09-03 | 李汝南 | 一种自动擦除笔迹的黑板 |
CN204278845U (zh) * | 2014-10-08 | 2015-04-22 | 华北电力大学(保定) | 一种超声波清洗免擦无尘黑板 |
CN205044382U (zh) * | 2015-05-04 | 2016-02-24 | 綦文彬 | 一种便于清洗的黑板 |
CN205022247U (zh) * | 2015-08-27 | 2016-02-10 | 上海市格致中学 | 一种新型白板擦 |
CN205044386U (zh) * | 2015-10-20 | 2016-02-24 | 哈尔滨师范大学 | 一种带有喷水功能的自清洁黑板 |
Also Published As
Publication number | Publication date |
---|---|
CN105946409B (zh) | 2017-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhuang Yajuan Inventor after: Tang Yuanyuan Inventor after: Liu Ying Inventor after: Zhang Yi Inventor after: Gao Ping Inventor after: Xu Weiming Inventor before: Xu Weiming |
|
CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170726 Address after: Xinhua Xidao 063009 Hebei province Tangshan City Lunan District No. 46 Applicant after: North China Polytechnics Address before: 23 No. 246523 Anhui Wanjiang Anqing Yingjiang District Road Applicant before: Xu Weiming |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20180503 |
|
CF01 | Termination of patent right due to non-payment of annual fee |