Tooth brush and method for the manufacture of a tooth brush

摘要

The handle (1a) has a main structure comprising a handle section (4a), a neck portion (3a) and a head portion (2a). The main structure has a transparent material component (7), and opaque or colored material component (8) that are made of thermoplastic material, such that both material components have a common injection point that is provided outside of a contour formed by a mold parting line. A thumb rest section formed at center of the main structure is made of thermoplastic elastomer. Independent claims are included for the following: (1) method for manufacturing handle; and (2) injection molding tool.