CN2219205Y - Sanitary chalk - Google Patents
Sanitary chalk Download PDFInfo
- Publication number
- CN2219205Y CN2219205Y CN 95202212 CN95202212U CN2219205Y CN 2219205 Y CN2219205 Y CN 2219205Y CN 95202212 CN95202212 CN 95202212 CN 95202212 U CN95202212 U CN 95202212U CN 2219205 Y CN2219205 Y CN 2219205Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- dust
- utility
- model
- sanitary
- 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 - Fee Related
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- Sanitary Thin Papers (AREA)
Abstract
The utility model relates to a chalk for teaching. The outer surface of a chalk holder 2 of a sanitary chalk is coated with a glue layer 1. With material and the manufacturing technology which are primarily same as the traditional chalk, the sanitary chalk is just additionally provided with one layer of ordinary glue so as to have low cost; the glue layer protects fingers grasping the chalk against chalk dust, so that with no dust flying the fingers can not be soiled by the dust and clothes and the environment can not be contaminated. The utility model is favorable for good health of teachers and students, and has smooth writing.
Description
The utility model relates to a kind of Teaching pen.
Common chalk dirt ash in use flies upward, fade and pollution clothes and palm, pollute teaching environment, influence the healthy of Faculty and Students, in recent years, though there is dust-free chalk to sell on the market, but sale price is too high, country school is difficult to bear, and dust-free chalk still has the minority dust, and the problem of the sticking ash that especially holds a pen is not well solved.
The purpose of this utility model is to overcome the existing existing defective of chalk, provides a kind of dustless ash to fly upward, can pollution clothes, environment and palm, and the smoothness of writing, low-cost health chalk.
Task of the present utility model realizes by be coated with the common glue of last layer on traditional chalk surface.
The utility model health chalk material therefor and manufacture craft and traditional chalk are basic identical, and just the common glue of surface-coated last layer at former common chalk gets final product, so cheap; Finger and chalk dust that glue layer will hold a pen separate, and make finger can not glue ash, and also dustless ash flies upward, can pollution clothes and environment, help the healthy of Faculty and Students, and fluent writing.
Fig. 1 is a structural representation of the present utility model.
Below in conjunction with drawings and Examples the utility model is described in more detail.
Embodiment:
With reference to Fig. 1, the outer surface of this salubrol penholder 2 is coated with glue layer 1.
Claims (1)
1, a kind of health chalk comprises chalk-holder (2), it is characterized in that: chalk-holder (2) outer surface is coated with glue layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95202212 CN2219205Y (en) | 1995-01-25 | 1995-01-25 | Sanitary chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95202212 CN2219205Y (en) | 1995-01-25 | 1995-01-25 | Sanitary chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2219205Y true CN2219205Y (en) | 1996-02-07 |
Family
ID=33855447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95202212 Expired - Fee Related CN2219205Y (en) | 1995-01-25 | 1995-01-25 | Sanitary chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2219205Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848798A (en) * | 2012-10-11 | 2013-01-02 | 向国忠 | Manufacturing method of clean chalk |
| CN103722938A (en) * | 2012-10-11 | 2014-04-16 | 向国忠 | Clean chalk |
-
1995
- 1995-01-25 CN CN 95202212 patent/CN2219205Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848798A (en) * | 2012-10-11 | 2013-01-02 | 向国忠 | Manufacturing method of clean chalk |
| CN103722938A (en) * | 2012-10-11 | 2014-04-16 | 向国忠 | Clean chalk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |