| 摘要 |
A TOOTHBRUSH, IN THE NECK REGION (7)OF WHICH THERE IS AN INTEGRAL THINNED PART(10) LATERALLY SURROUNDED BY A MASS(12) OF ELASTOMERIC MATERIAL BONDED TO THE PLASTICS MATERIAL, THE MASS(12) BEING OF A SHAPE WHICH BULGES LATERALLY BEYOND THE LINE OF THE SURFACE OF THE LONGITUDINALLY ADJACENT PARTS OF THE NECK (7)OR THE HEAD(1) TO WHICH IT IS CONNECTED. THE THINNED PART(10) AND BULGING MASS PROVIDE A TOOTHBRUSH OF IMPROVED FLEXIBILITY. FIG 7
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