BRUSH HEAD FIXTURE FOR PRODUCTION OF TOOTHBRUSH HEAD AND MANUFACTURING METHOD OF TOOTHBRUSH HEAD
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
Dec 14, 2023
filing date -
Jan 17, 2023
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Abstract
Disclosed are a brush head fixture for production of a toothbrush head and a manufacturing method of the toothbrush head. The brush head fixture includes a fixture main body, a bristle accommodating part, a material sealing surface, and one or more positioning holes. The bristle accommodating part is configured for accommodating the free end of implanted bristles in the process of manufacturing the toothbrush head. The material sealing surface is located on one side of the fixture main body away from the bristle accommodating part and configured for preventing the material of the coating layer from entering the bristle accommodating part when forming the coating layer. The positioning hole penetrates through the wall of the fixture main body between the material sealing surface and the bristle accommodating part. The positioning hole is configured for injection molding the retaining part, and also for positioning the retaining part obtained through injection molding.
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