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interdental brush

A technology of interdental brushes and brush bodies, applied in the field of interdental brushes, can solve problems such as difficulty in obtaining durability, and achieve the effect of high durability

Active Publication Date: 2016-02-03
LION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] However, even with the methods described in Patent Documents 1 to 9, it is difficult to obtain sufficient durability
In addition, in the interdental brush, it is required to prevent the wire from breaking and the brush body remaining between the teeth, but the methods described in Patent Documents 1 to 9 cannot meet this requirement.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0103] The interdental brush of Example 1 is made by insert molding using injection molding, and has such figure 1 As shown in the handle body 10, the nozzle body 20, and the brush body 30, the nozzle body 20 includes a tapered portion 20a and a straight portion 20b made of polypropylene whose side surface is a concave curved surface.

[0104] In addition, the overall length of the nozzle body 20, the diameter of the end surface 22 of the taper portion 20a on the handle body 10 side, and the diameter of the straight portion 20b were made as shown in Table 1. In addition, as the handle body 10, it is a cylinder made of polypropylene. As the wire 31 of the brush body 30, a high-strength Co-based alloy wire (manufactured by Nippon Seisen Co., Ltd., NAS604PH) with a diameter of 0.20 mm (size: 4S) was used, with Co content of 40% by mass or more, and Ni of 15-17.5 mass. %, 20.5 to 22.5% by mass of Cr, 5.8 to 8.3% by mass of Mo, and the remainder of Fe). As the filament 32, 6,12-nylon...

Embodiment 2

[0106] As the wire 31, instead of a high-strength Co-based alloy wire with a diameter of 0.20 mm (size: 4S), a high-strength Co-based alloy wire with a diameter of 0.23 mm (size: 3S) (manufactured by Nippon Seisen Co., Ltd., NAS604PH) is used ) Except for the twisted and twisted wire, the others were made the same as in Example 1 to obtain an interdental brush.

Embodiment 3

[0108] As the wire 31, instead of a high-strength Co-based alloy wire with a diameter of 0.20mm (size: 4S), a general-purpose stainless steel wire with a diameter of 0.20mm (size: 4S) (manufactured by Nippon Seisen Co., Ltd., NAS106N, Ni is 10 Mass%, Cr is 22% by mass, Mo is 2% by mass, Mn is 5.9% by mass, C is 0.015% by mass, N is 0.40% by mass, and the remainder is Fe). The composition was the same as in Example 1, and an interdental brush was obtained.

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PUM

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Abstract

An interdental brush is provided with a handle body, a nozzle body which protrudes from the handle body, and a brush body which is formed by providing filaments to a wire having a base end inserted in the nozzle body. The nozzle body has a tapered section and a straight section and is flexible so that the nozzle body can follow the behavior of the brush body. The tapered section is gradually tapered toward the front end thereof, and the side surface of the tapered section is formed as a concave surface extending from the front end to the base end of the tapered section. The straight section is extended from the front end of the tapered section, and the cross-sectional shape of the straight section is almost the same in the direction in which the straight section is extended. The durability of the wire is sufficiently high, and the wire is less likely to bend even if the interdental brush is used a large number of times.

Description

Technical field [0001] The invention relates to an interdental brush for cleaning between teeth. [0002] This application claims priority based on Japanese Patent Application No. 2010-166043 for which it applied to Japan on July 23, 2010, and uses the content here. Background technique [0003] The interdental brush is mainly used as an auxiliary cleaning tool for cleaning the gap between the teeth (interdental) that is difficult to clean with a toothbrush. [0004] As a general interdental brush, there is known a toothbrush which includes a brush body formed by sandwiching a filament between twisted metal wires; and a brush body inserted into the base end of the wire material. Handle body. In such an interdental brush, in order to insert the brush body between the narrow adjacent teeth, a thin wire with a diameter of about 0.23 to 0.40 mm is used. [0005] In interdental cleaning using an interdental brush, the brush body is inserted between the teeth to reciprocate, and the tarta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A46B3/18A61C15/00
CPCA46B3/18A46B2200/108A46B9/02A46B15/0069
Inventor 蜂须贺良祐日高洋一小林利彰
Owner LION CORP