FIELD: articles of individual sanitary and hygiene. SUBSTANCE: toothbrush has plastic body with bristle carrying head and handle joined by narrowing neck provided with springy plastic part. Toothbrush body is manufactured by extrusion method. Head and handle are made rigid and springy part of neck is made from high-quality plastic with increased modulus of elasticity as compared to that of material of toothbrush body. Springy part of neck is partially embedded in plastic mass of toothbrush body. Springy part partially surrounds toothbrush body to define neck. EFFECT: simplified construction and manufacture process and convenient usage. 25 cl, 7 dwg
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| METHOD OF SPIRAL BRISTLES PRODUCTION | 1996 |
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RU2145367C1 |
