Patent ID: 9717324
Date: 2017-08-01
CPC Classifications: A46B,A46D,B29C,B29L

Claim:
1. A method of producing a manual toothbrush comprising a head having at least one cleaning element having a first end mounted to the head, a handle, and a neck portion connected to the head and to the handle, the method comprising: providing a coupling element comprising a first end structured and configured to be located in the neck portion and a second end structured and configured to be located in the handle, the first end being opposite to the second end, wherein providing a coupling element comprises making the coupling element by injection-molding; arranging the first end of the coupling element in a first injection molding cavity; providing the at least one cleaning element and arranging the first end thereof in the first injection molding cavity; injecting a first plastic material into the first injection molding cavity, wherein the first end of the at least one cleaning element and the first end of the coupling element are over-molded, thereby forming at least a portion of the head and the neck portion; providing a handle comprising a receiving element, wherein providing a handle comprises making the handle by injection-molding; irreversibly interconnecting the second end of the coupling element and the receiving element of the handle, thereby forming the manual toothbrush, wherein the injection molding of the coupling element and the injection molding of the handle is performed in parallel.