CN2400285Y - Sanitary durable chalks - Google Patents
Sanitary durable chalks Download PDFInfo
- Publication number
- CN2400285Y CN2400285Y CN 99254577 CN99254577U CN2400285Y CN 2400285 Y CN2400285 Y CN 2400285Y CN 99254577 CN99254577 CN 99254577 CN 99254577 U CN99254577 U CN 99254577U CN 2400285 Y CN2400285 Y CN 2400285Y
- Authority
- CN
- China
- Prior art keywords
- chalk
- holder
- durable
- sanitary
- chalks
- 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
- Pens And Brushes (AREA)
Abstract
The utility model relates to a piece of chalk, which comprises a chalk holder, wherein, the external surface of the chalk holder is covered with an isolation layer. The utility model has the advantages of simple structure, low price and no contamination of hands, clothing, teaching plans, textbooks, etc. The intensity of the chalk is increased; dust pollution is reduced; the sanitary durable chalk is especially suitable for teaching.
Description
The utility model relates to a kind of chalk.
Existing chalk can make chalk bits attach on hand or clothing, teaching notes, textbook when writing or carry, and is unhygienic, and chalk intensity is low, is not durable.
The purpose of this utility model is to provide a kind of clean hygiene and durable chalk.
For achieving the above object, the utility model is by the following technical solutions:
A kind of Sanitary durable chalks comprises chalk-holder, it is characterized in that: the outer surface of chalk-holder is coated with separation layer.
Described separation layer can be cover on chalk-holder can be with the synchronous film of wearing and tearing of chalk-holder.
Described separation layer also can be the dope layer that is coated on the chalk-holder.
The utility model is simple in structure, and is cheap, do not stain staff and clothing teaching notes, textbook etc., increased chalk intensity, reduced dust pollution, is particularly suitable for teaching and uses.
Accompanying drawing is a structural representation of the present utility model.
Below in conjunction with drawings and Examples the utility model is described in further detail:
A kind of Sanitary durable chalks comprises chalk-holder, and the outer surface of chalk-holder 1 is coated with separation layer 2.
Described separation layer be cover on chalk-holder can be with the synchronous film of wearing and tearing of chalk-holder.
Described separation layer also can be the dope layer that is coated on the chalk-holder.As glue, poly-ethanol etc.
Claims (3)
1, a kind of Sanitary durable chalks comprises chalk-holder, it is characterized in that: the outer surface of chalk-holder (1) is coated with separation layer (2).
2, Sanitary durable chalks according to claim 1 is characterized in that: described separation layer (2) be cover on chalk-holder can be with the synchronous film of wearing and tearing of chalk-holder.
3, Sanitary durable chalks according to claim 1 is characterized in that: described separation layer (2) is the dope layer that is coated on the chalk-holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99254577 CN2400285Y (en) | 1999-11-26 | 1999-11-26 | Sanitary durable chalks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99254577 CN2400285Y (en) | 1999-11-26 | 1999-11-26 | Sanitary durable chalks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2400285Y true CN2400285Y (en) | 2000-10-11 |
Family
ID=34038170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99254577 Expired - Fee Related CN2400285Y (en) | 1999-11-26 | 1999-11-26 | Sanitary durable chalks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2400285Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722938A (en) * | 2012-10-11 | 2014-04-16 | 向国忠 | Clean chalk |
-
1999
- 1999-11-26 CN CN 99254577 patent/CN2400285Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722938A (en) * | 2012-10-11 | 2014-04-16 | 向国忠 | Clean chalk |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202480654U (en) | Portable multi-functional white board writing membrane | |
| CN2400285Y (en) | Sanitary durable chalks | |
| CN202139512U (en) | Handwriting practice paper capable of being used repeatedly | |
| CN2344186Y (en) | Magnetic black-white dual-purpose writing board | |
| CN212990512U (en) | Adhesive label convenient to use | |
| CN2192474Y (en) | Multipurpose no-powder blackboard with form writing mark | |
| CN2875822Y (en) | Hand clean dustless chalk | |
| CN203088650U (en) | Multifunctional fixing seat with soft glue | |
| CN2219205Y (en) | Sanitary chalk | |
| CN201970622U (en) | File folder with white board | |
| CN2397051Y (en) | Envelope | |
| CN2620635Y (en) | New year pictures | |
| CN2489974Y (en) | Chalk | |
| CN2429336Y (en) | Pen-shaped eraser | |
| CN2675591Y (en) | Ink cartridge with ink cleaning ring | |
| CN2586594Y (en) | Environment-friendly ink bottle | |
| CN2380507Y (en) | Envelope with adhesive | |
| CN201215700Y (en) | Stamp without need of glue | |
| CN205853698U (en) | Blank film | |
| CN2544957Y (en) | Environmentally friendly chalk | |
| CN202874916U (en) | Wall-mounted type toothbrush and pen placing shelf | |
| CN2535236Y (en) | New-type pencil | |
| CN2858201Y (en) | Handle of precision hardware hand-rotating tool | |
| CN2262497Y (en) | Enamel plate for children to writing | |
| CN2431120Y (en) | Small blackboard |
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 |