The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 04, 2017

Filed:

Sep. 27, 2013
Applicant:

M+c Schiffer Gmbh, Neustadt/Wied, DE;

Inventor:

Erwin Buchholz, Asbach, DE;

Assignee:

M+C SCHIFFER GMBH, Neustadt/Wied, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A46D 3/00 (2006.01); A46B 9/04 (2006.01); B29C 45/16 (2006.01); A46B 5/00 (2006.01); B29C 45/00 (2006.01); B29L 31/42 (2006.01);
U.S. Cl.
CPC ...
A46D 3/005 (2013.01); A46B 5/0029 (2013.01); A46B 9/04 (2013.01); B29C 45/1657 (2013.01); B29C 45/1676 (2013.01); B29C 45/0081 (2013.01); B29C 45/1639 (2013.01); B29C 2045/1659 (2013.01); B29L 2031/425 (2013.01);
Abstract

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.


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