TOOTHBRUSH
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Mar 12, 2009
app pub date -
Apr 10, 2007
filing date -
Apr 21, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tooth brush which is excellent in durability and can give a high massaging effect to a person even with weak gum with a low stimulus and without damaging the gum in various tooth brushing methods, especially in a Bass method. The toothbrush comprises bristles (4) tufted on an toothbrush head (20), wherein thermoplastic elastomer bristles (41, - - - ) are tufted in the inner portion (R1) in a width direction of the toothbrush head (20) and synthetic resin bristles (42, - - - ) harder than the thermoplastic elastomer bristles are tufted in the both outer portion (R2, R3) in a width direction of the toothbrush head (20) respectively. Especially, each tuft (5) tufted on the toothbrush head (20) is so trimmed that bristles (4) are continuously or stepwise shorter from the inner portion to the outer portion in the width direction
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