BRUSH FOR HARD SURFACE OF HUMAN BODY
Document Type and Number:
Japanese Patent JP3783039
PROBLEM TO BE SOLVED: To provide a tooth brush capable of getting into numerous holes with a size of approximately one micrometer scattered on the surface of teeth into which pigment is deposited, and ordinary tooth brush and dental cream can not get because of the size larger than the hole.
SOLUTION: The tooth brush is composed of a resin molded body 15 and a brush member 13 composed of a melamine foam. A connection part 16, making the body part 15 fit with a driving part 17 held by hand and in which an electromotive motor is mounted, and a mounting part 14 fixing the brush member 13 to the body part 15, are formed to the body part 15. A plurality of stepped parts are formed to the mounting part 14 and a foamed body 13 is inserted into and fixed to the mounting part with an adhesive. The adhesion of the foamed body 13 is secured by making the diameter of the mounting part 14 for the foamed body 13 larger than that of a handle part extending from the connection part 16. The foamed body is soft and does not damage the teeth.
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