Chalk sleeve

A chalk cover and bundle cover technology, which is applied in printing, writing utensils, writing connectors, etc., can solve the problems of polluting teachers and easy contamination of chalk, and achieve the effect of isolating fingers from contamination, facilitating teaching activities, and protecting physical health

Inactive Publication Date: 2013-08-21
陈烁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Chalk is widely used in many fields as supplies for writing on the blackboard, especially plays an important role in the teaching activities of teachers, and has contributed to spreading knowledge and dispelling doubts. Gradually began to apply, but within a long period of time in a vast geographical range, it is still difficult to completely replace the use of chalk to write on the blackboard for teaching activities; just because the chalk's easy to contaminate often pollutes the fingers of teachers and other blackboard writers, As time goes by, it will bring health threats. Many teachers carefully wrap the chalk with paper when holding the chalk, and some use a small piece of soft cloth. Therefore, blackboard writing activities for chalk need a way to separate human hands from chalk. It will not affect the supplies used for writing to protect the health of teachers and facilitate their teaching activities

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0011] Below in conjunction with accompanying drawing, give an example and make the introduction of this design.

[0012] like figure 1 , figure 2 As shown, the elastic rubber shape such as trumpet-shaped sleeve body 2 with a bottom is sheathed on the circular sleeve support 1, and the sleeve support is a perfect circle, which can be made of fine steel wire nest or processed with hard plastic material. Both are acceptable, and must have a certain supporting force; the body of the sleeve should be made of latex or silicone material with excellent stretching and elastic properties, and made into a trumpet shape with a bottom (transparent or not). The part is firmly connected with the sleeve support, and the best process is to connect with the sleeve support at the same time as the sleeve body is formed. During specific use, the sleeve body part on the right side of the hand-held chalk sleeve sleeve support 1 is placed on the thick end of the chalk from the sleeve body opening...

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PUM

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Abstract

The invention discloses a chalk sleeve which is related to a teaching tool. The chalk sleeve can effectively prevent fingers from being tainted by a piece of chalk and protect physical health of teachers and provide convenience for teaching activities of the teachers. According to the technical scheme, the chalk sleeve comprises a circular sleeve support, and a horn-shaped sleeve body with a bottom is made of elastic rubber materials and sleeved on the sleeve support in a bound mode. The chalk sleeve is suitable for a situation where the chalk is used for writing on a blackboard.

Description

Technical field: [0001] The invention is related to teaching equipment, in particular to a chalk cover for blackboard writing chalk. Background technique: [0002] Chalk is widely used in many fields as supplies for writing on the blackboard, especially plays an important role in the teaching activities of teachers, and has contributed to spreading knowledge and dispelling doubts. Gradually began to apply, but within a long period of time in a vast geographical range, it is still difficult to completely replace the use of chalk to write on the blackboard for teaching activities; just because the chalk's easy to contaminate often pollutes the fingers of teachers and other blackboard writers, As time goes by, it will bring health threats. Many teachers carefully wrap the chalk with paper when holding the chalk, and some use a small piece of soft cloth. Therefore, blackboard writing activities for chalk need a way to separate human hands from chalk. It will not affect the arti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43K23/016
Inventor 陈烁
Owner 陈烁
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