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Monofil hard-fibre components and method for making brush by using these components

A monofilament and component technology, applied in the direction of brushes, brush bodies, bristles, etc., can solve problems such as brush problems

Inactive Publication Date: 2004-07-28
EI DU PONT DE NEMOURS & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, recycling is becoming increasingly problematic for brushes that employ metal shackles or other combinations of different kinds of materials (such as plastic and metal) in one structure

Method used

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  • Monofil hard-fibre components and method for making brush by using these components
  • Monofil hard-fibre components and method for making brush by using these components
  • Monofil hard-fibre components and method for making brush by using these components

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] see figure 1 and 2 A bristle subassembly 10 includes a base thread 12 and a plurality of monofilaments 14 connected to the base thread 12 . Preferably, these monofilaments 14 are connected substantially vertically to the base thread 12, as in figure 1 As shown in , the base thread 12 divides each monofilament 14 into first and second opposing side legs 16, 18 that extend outwardly from the base thread 12 in two rows. In the illustrated embodiment, the legs 16 and 18 are of substantially equal length. In alternative embodiments, the legs may be made of different lengths by moving the base string 12 laterally to a position offset from the center prior to bonding the monofilament to the base string. Additionally, although the base string 12 is shown to be substantially normal or perpendicular to the monofilaments 14, the monofilaments may be positioned at various angles relative to the base string 12, depending on the brush desired for the final product. features.

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PUM

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Abstract

Several brush assemblies are disclosed. All employ bristle strings that include a base string connected to a plurality of monofilaments. The preferred monofilaments are nylons and other polymeric thermoplastic materials. The monofilaments may be linear segments or loop segments disposed in two rows. The bristle strings may be connected to brush bodies to form virtually any of the various types of brushes. Bristle strings employing loops may be braided together to form entangled, monofilament articles for brush or other applications.

Description

[0001] This application is a divisional application of Chinese Patent Application No. 99809343.2. technical field [0002] The present invention relates generally to brushes and the art of making brushes, and more particularly to brushes having monofilament bristles and to methods of assembling monofilament bristle subassemblies into brush bodies. Background technique [0003] Brush making involves attaching the bristles to the brush body. In one type of brush known as a "solid block / hook and loop set," a solid block serving as the brush body is drilled, molded, or otherwise machined to form a array of holes. Individual bristle tufts are disposed in individual holes and the tufts are secured to the block with wire shackles, plugs or other anchoring means. Hand-drawn brushes are similar, except that the tufts are secured by pulling them through the holes with a thin twisted wire. [0004] Another type of brush uses a "hoop and monofilament" technique where the tufts are at...

Claims

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Application Information

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IPC IPC(8): A46B3/16A46B5/06A46B9/04
CPCA46B5/06
Inventor M·S·爱德华兹J·A·钱博斯W·H·马沙R·布克尔J·H·瓦茨S·E·罗丁
Owner EI DU PONT DE NEMOURS & CO