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Chalk provided with chalk sleeve

A chalk cover and chalk technology, which is applied to non-moving pencils, printing, writing utensils, etc., can solve the problems of sticking to hands, affecting the use efficiency, easy to break, etc., and achieves the effect of reducing writing fatigue, simple structure, and not easy to break.

Inactive Publication Date: 2014-06-25
焦云多
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the chalk we use is very brittle; it is easy to break when using it, and it will make the hands sticky with thick chalk dust, which affects the efficiency of use, and it is easy to cause dryness of the hand skin and fatigue of the hand

Method used

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  • Chalk provided with chalk sleeve

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Effect test

Embodiment Construction

[0009] specific implementation plan

[0010] Put the original chalk (1) into the plastic tube (2), add a layer of shrinkable rubber sleeve around the plastic tube (2), fix the plastic tube through (3), and adjust it with the knobs (4, 5) The exposed length of the chalk.

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Abstract

The invention provides a novel chalk provided with a chalk sleeve. The chalk and the chalk sleeve are combined skilfully, and the structural characteristics of compasses are used. The chalk is directly placed into a contractible plastic tube, and the plastic tube is coated with a rubber sleeve. Through a knob, the reasonable use length of the chalk can be adjusted.

Description

Technical field [0001] The invention relates to a novel chalk with a chalk cover manufactured according to the use principle of the teacher's compasses. Background technique [0002] At present, the chalk we use is very brittle; it is easy to break when used, and it will make the hands sticky with thick chalk dust, which affects the efficiency of use, and it is easy to cause dryness of the hand skin and cause hand fatigue. Contents of the invention [0003] In order to overcome the disadvantages that the original chalk is easy to break, the hands are covered with thick chalk dust, which affects the use efficiency, and it is easy to cause dryness of the hand skin and fatigue of the hand, etc., the present invention provides a new type of chalk. While retaining the original use effect, it is more convenient to use, not easy to break, and more comfortable to use. [0004] The technical solution adopted by the present invention to solve the technical problem is: add a layer o...

Claims

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Application Information

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IPC IPC(8): B43K19/14B43K23/016B43K24/00
Inventor 焦云多
Owner 焦云多
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