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Manufacturing method of sanitary chalk

A chalk, manufacturing hygienic technology, applied in the direction of pencil lead, non-active pencil, printing, etc., can solve the problems of easy breakage and sticky hands

Inactive Publication Date: 2005-03-23
邓社文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] All kinds of chalks currently available on the market are sticky and easy to break to varying degrees. After a class, teachers often have chalk dust everywhere on their hands and underwear, and all kinds of "dust-free" chalks are still free. solve this problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The formed and dried chalk is laid out on the assembly line, and a layer of glue is applied to it with a brush dipped in glue; by dropping, turning over, and then applying glue to the back, and sending it to a drying machine for drying Or air-dried, ready for boxing and packaging.

Embodiment 2

[0015] Lay out the formed and dried chalk on the assembly line, let it pass through the glue pool, and then brush it with a brush; by dropping, turning over, and then brushing the back, send it to the dryer for drying or drying. Allow to dry, ready for boxing and packaging.

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PUM

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Abstract

The invention relates to a method of making sanitary chalks is achieved by coating a layer of glue on them, and then drying, so that the chalks are moisture-proof, not easily broken and have no powders to adhere on hand while writing.

Description

technical field [0001] The present invention relates to a method for producing a writing implement, more specifically, a method for producing a hygienic chalk for teaching. technical background [0002] All kinds of chalks on the market are sticky and easy to break to varying degrees. After a class, teachers often have chalk dust all over their hands and clothes, and all kinds of "dust-free" chalk are still missing. solve this problem. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to overcome the defects of the prior art, provide a truly non-sticky sanitary chalk manufacturing method, and simultaneously improve the strength of the chalk so that it is not easily broken during use. [0004] The present invention is realized by issuing the technical scheme: apply a layer of glue to the formed and baked chalk, wipe it clean, and then dry it in the air or dry it. [0005] The beneficial effects of the present invention are: [0006] 1. Take it to ...

Claims

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Application Information

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IPC IPC(8): B43K19/00C09D13/00
Inventor 邓社文
Owner 邓社文