Method for Making a Toothbrush

A method for making a toothbrush including a handle, a head including at least one cleaning element extending therefrom, and a hinge arranged between the head and the handle, said hinge including a joint between the handle and the head of a harder thermoplastic component covered by a softer thermopl...

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Bibliographic Details
Main Author BUCHHOLZ ERWIN
Format Patent
LanguageEnglish
Published 02.04.2015
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BRUSHES
BRUSHWARE
HUMAN NECESSITIES
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
MANUFACTURE OF BRUSHES
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A method for making a toothbrush including a handle, a head including at least one cleaning element extending therefrom, and a hinge arranged between the head and the handle, said hinge including a joint between the handle and the head of a harder thermoplastic component covered by a softer thermoplastic component is provided, the method including: forming a base body by injection molding of a first thermoplastic material forming one of the handle or the head, and injection molding of a second thermoplastic material for forming the other of the handle or the head to thereby fuse the second thermoplastic material against the first thermoplastic material; placing the base body into a further mold; and injection molding the softer thermoplastic component for covering the joint.
Bibliography:Application Number: US201314039858