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Tooth brush holder and stirring process of raw material thereof

A technology for brush handles and toothbrushes, which is applied in the mixing process of toothbrush handles and their raw materials. It can solve problems such as monotonous colors, failure to produce shape brush handles, and raw materials that cannot meet performance requirements, etc., and achieve the effect of rich colors.

Inactive Publication Date: 2012-06-20
WUHAN JINCHEN INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the toothbrush handles in the prior art are formed by one-time injection molding. Due to the limitation of the maximum flow of the melt, the one-time injection molding method cannot produce brush handles with more complicated shapes, but can only produce brush handles with simple shapes and a single color. Monotonous, unable to meet people's increasing pursuit of shape, color and other needs in daily life
[0003] In addition, during the use of the toothbrush handle, the force on each part is not uniform, and the material properties of all parts of the brush handle do not need to reach sufficient strength. On the contrary, the part that is in contact with the human body is more important. tactility and other requirements, therefore, the use of one-time injection molding, the raw materials can not meet various performance requirements

Method used

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  • Tooth brush holder and stirring process of raw material thereof
  • Tooth brush holder and stirring process of raw material thereof
  • Tooth brush holder and stirring process of raw material thereof

Examples

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Embodiment 1

[0026] The raw materials required for the mixing of materials for one-time injection molding are 25kgPP pellets, 20% filling material, porcelain white powder and 30ml white oil. Use a clean rag to wipe the mixing tank of the mixer before mixing, then pour the PP pellets into the mixing tank of the mixer, add 20% filler, one part of porcelain white powder and 30ml of white oil. After all the required raw materials are poured into the mixing tank, the mixing operation starts. Turn on the mixing machine, and the mixing time is 3-6 minutes, so that the raw materials in the mixing tank are fully stirred evenly, that is, the mixing process of the injection molding material is completed once. Pack the injection molding raw materials that have completed a mixing process into a clean material bag for use in the first injection molding process.

[0027] Secondary injection molding materials are different from primary injection molding materials. The main material of primary injection...

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Abstract

The invention relates to a tooth brush holder, which is made by two times of plastic injection molding of different mixture, wherein the raw materials of the mixture used in primary plastic injection molding comprise polyethylene and polypropylene (PP) particles and PP filter, which may one or two of calcium carbonate and talcpowder, in a mass ratio of 20-30:2-9; and the raw material of the mixture used in the secondary plastic injection molding is TPE particles.

Description

technical field [0001] The invention relates to a toothbrush handle and a mixing process of raw materials thereof. Background technique [0002] At present, the molding of the toothbrush handle mainly adopts methods such as single plastic injection molding, plastic compression molding and plastic die-casting, among which injection molding equipment is more commonly used. The so-called injection molding equipment heats and melts the raw material in the barrel of the injection molding machine. Under the action of injection pressure, the molten raw material is ejected from the nozzle at the front end of the barrel, flows through the gating system and is injected into the closed cavity of the mold, and then Cooling and shaping, finally, open the cavity, demoulding equipment to take out the product. However, most of the toothbrush handles in the prior art are formed by one-time injection molding. Due to the limitation of the maximum flow of the melt, the one-time injection moldi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A46B5/00B29B7/02C08L23/12C08K3/26C08K3/34C08L101/00
Inventor 庞超
Owner WUHAN JINCHEN INDAL
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