Toothbrush comprising elastomeric cleaning elements over-molded with a harder plastic and method for producing the same
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United States of America Patent
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May 2, 2017
Grant Date -
May 8, 2014
app pub date -
Oct 23, 2013
filing date -
Nov 5, 2012
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Abstract
A toothbrush is disclosed. The toothbrush includes a brush head including one or more cleaning elements; a handle; and a neck connecting the brush head and the handle. The one or more cleaning elements include at least one or more elastomeric cleaning elements having a first plastic material and one or more bristle tuft cleaning elements. The at least one or more cleaning elements are embedded into a second plastic material by over-molding. The Shore hardness of the second plastic material is greater than the Shore hardness of the first plastic material and the brush head is formed from the second plastic material during over-molding of the one or more cleaning elements.
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