CN2297317Y - Dust-proof chalk - Google Patents
Dust-proof chalk Download PDFInfo
- Publication number
- CN2297317Y CN2297317Y CN 97240136 CN97240136U CN2297317Y CN 2297317 Y CN2297317 Y CN 2297317Y CN 97240136 CN97240136 CN 97240136 CN 97240136 U CN97240136 U CN 97240136U CN 2297317 Y CN2297317 Y CN 2297317Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- dust
- utility
- model
- paste
- 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
Links
Images
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The utility model relates to a dust-proof chalk, comprising a chalk body and a layer of paste. The paste is arranged on the surface of an outer periphery of the chalk body. The utility model has simple structure and low cost. The utility model effectively resolves the problem that a finger is stained with chalk dust. The utility model is a chalk suitable for being using in schools and platforms.
Description
The utility model relates to a kind of chalk, particularly a kind of chalk that can not glue chalk dust.
Existing chalk great majority are for there being the dirt chalk, are a teacher or other staff when using this chalk, and chalk spodogram dust equally is covered with blackboard and underground, influence environmental sanitation and use powder the author's health.Also have a kind of dust-free chalk on the market, when the user uses, can significantly reduce the pollution of chalk dust, stick chalk dust, make the people feel inconvenience but use powder the author still can point to environment.
The purpose of this utility model provides a kind of chalk that can not glue chalk dust, and when it can make the user use this chalk, finger can not speckle with chalk dust.
The utility model comprises chalk body and one deck paste, and this layer paste is on the external peripheral surface of chalk body.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the schematic diagram of the utility model embodiment.
With reference to Fig. 1, the utility model comprises chalk body 1 and paste 2, and paste 2 is on the external peripheral surface of chalk body 1.Paste 2 is coated on the external peripheral surface of chalk body 1 soon, it will be dry, hardening, when hand is caught the utility model, hand will touch the crimp paste of this layer, so hand can not speckle with chalk dust, this layer paste 2 be not because thick, also can not influence the quality that it writes, chalk body 1 is any chalk that can write.
The utility model is simple in structure, cost is low, and it can fine solution point the problem that speckles with chalk dust, and it is a kind of suiting at the chalk of school, dais use.
Claims (1)
1, a kind of comprise chalk body (1) exempt from be stained with the dirt chalk, it is characterized in that: the external peripheral surface at chalk body (1) has one deck paste (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97240136 CN2297317Y (en) | 1997-06-13 | 1997-06-13 | Dust-proof chalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97240136 CN2297317Y (en) | 1997-06-13 | 1997-06-13 | Dust-proof chalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2297317Y true CN2297317Y (en) | 1998-11-18 |
Family
ID=33949967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97240136 Expired - Fee Related CN2297317Y (en) | 1997-06-13 | 1997-06-13 | Dust-proof chalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2297317Y (en) |
-
1997
- 1997-06-13 CN CN 97240136 patent/CN2297317Y/en not_active Expired - Fee Related
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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 |