INTERDENTAL BRUSH

WIPO Patent Application WO/2012/011574

A1

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.

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HACHISUKA Ryosuke (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)
蜂須賀　良祐 (〒44 東京都墨田区本所一丁目３番７号　ライオン株式会社内 Tokyo, 〒1308644, JP)
HIDAKA Youichi (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)

JP2011/066710

January 26, 2012

July 22, 2011

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LION CORPORATION (3-7 Honjo 1-chome, Sumida-ku Tokyo, 44, 〒1308644, JP)
ライオン株式会社 (〒44 東京都墨田区本所一丁目３番７号 Tokyo, 〒1308644, JP)
HACHISUKA Ryosuke (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)
蜂須賀　良祐 (〒44 東京都墨田区本所一丁目３番７号　ライオン株式会社内 Tokyo, 〒1308644, JP)

A46B3/18; A61C15/00

SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)

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