Method and device for producing a brush head section for an oral care device and brush head section produced by said method and/or said device
A method for producing a brush head section for an oral care device has the following steps: injecting a first thermoplastic material into an insert-forming mold cavity to form an insert; transferring said insert into an over-molding mold cavity, wherein the insert is arranged partially inside and p...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A method for producing a brush head section for an oral care device has the following steps: injecting a first thermoplastic material into an insert-forming mold cavity to form an insert; transferring said insert into an over-molding mold cavity, wherein the insert is arranged partially inside and partially outside of said over-molding mold cavity; arranging one end of at least one cleaning element in said over-molding mold cavity; injecting a second thermoplastic material into said over-molding mold cavity so that the part of the insert and the part of the at least one cleaning element which are located inside said over-molding mold cavity are over-molded by the second thermoplastic material, which second thermoplastic material thereby forms a cleaning element carrier, and wherein the hardness of the second thermoplastic material is smaller than the hardness of the first thermoplastic material; and ejecting the resulting brush head section from said over-molding mold cavity. |
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