Method of producing a brush head, brush head and the use...

Details Method of producing a brush head, brush head and the use... Method of producing a brush head, brush head and the use...

A - Human Necessities

46

D

300/10, 15/109

A46D 3/00 (2006.01) A46B 3/06 (2006.01) A46B 9/04 (2006.01) A46D 3/04 (2006.01) A46D 9/02 (2006.01) B29C 65/02 (2006.01)

Patent

CA 1216014

A B S T R A C T A brush head for dental treatment is produced by the pressing together during heating of a long bundle of fibres (4) with parallel threads or fibres and a tool (1), said heating preferably being effected ultrason- ically. The tool has a circular area (2) with a pro- truding tip or mandrel (3). There is thus formed a bottom plate (6) with a bottom hole (7) in the bun- dle of fibres (4), from which a suitable piece (5) is cut off and machined to form a pointed brush part (8), preferably with concave sharpening and rounded tip. The bottom hole (7) is so deep that it reaches the area where the concave sharpening (8) begins. With only a few operations it is possible to produce a brush head for dental treatment, said brush having such a shape that it is able to clean teeth and mas- sage the gums effectively without causing any damage when the brush head is mounted on a rotating tool, for example a dentist's drill or a battery-driven home-care device. (figs. 1-5)

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