| 摘要 |
The present invention provides a brush with a single piece plastic brush body, produced by injection-casting constituted by a head covered with bristles and a dimensionally stable handle with a transversal section bigger than head, brush body is manufactures from an elastomer mixed with a foaming agent and it is foamed or expanded in handle area, while it is solid in transversal section area smaller than head. Such brush is produced by injection-casting in a two part mold which, to form head, have smaller transversal sections which to form handle, elastomer with foaming agent are used and molded transversal sections for head are manufactured in such a way that they are smaller in comparison with those for handle so that elastomer is only formed in handle area.
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