Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1997-07-01
2000-05-09
Spisich, Mark
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 221, 151671, 152072, 15DIG5, A61C 1722, A46B 904, A46B 906
Patent
active
060585412
ABSTRACT:
An improved oral brush is provided that includes crimped bristles. The oral brush includes a body and, extending from the body, a plurality of crimped bristles. One such oral brush is an electric toothbrush, with a brush head having a preferred arrangement of tufts of crimped and straight bristles that are flexed by cyclic motions of the brush head toward and away from the tooth.
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International Organization for Standardization, International Standard ISO 8627:1987 (E), Ondontology "Stiffness of the Bristle Area of Toothbrushes," pp. 84-93.
Ullmann's Encyclopedia of Industrial Chemistry, Fibers, 6. Testing and Analysis, 2.6-2.6.2 "Crimp; Crimp Frequency; Crimp Ratio, Crimp Retention," A11:75-76.
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Driesen Georges
Hilfinger Peter
Masterman Thomas Craig
Meessmann Jeffrey
Schwarz-Hartmann Armin
Gillette Canada Inc.
Spisich Mark
LandOfFree
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