Process of injection molding composite articles and...

Details Process of injection molding composite articles and... Process of injection molding composite articles and...

2007-11-20

2007-11-20

Chin, Randall (Department: 1744)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C300S021000, C015S143100, C015S167100

Reexamination Certificate

active

10311451

ABSTRACT:
An injection moulding process for making a moulded article particularly a toothbrush consisting partly of a hard first plastics material by providing a first injection mould introducing a component into the cavity adjacent to the surface; injecting a plastics material into the cavity so that the plastic material is fixed to the component and the component forms part of the outer surface of the article. In a second moulding operation another material such as an elastomer may be injected. A toothbrush product made by this process is also described.

REFERENCES:
patent: 5898967 (1999-05-01), Wu et al.
patent: 2004/0012117 (2004-01-01), Mueller
patent: A 09011260 (1997-09-01), None
patent: A 0742090 (1996-04-01), None
patent: WO A 9610934 (1996-04-01), None
patent: WO A 9835809 (1998-08-01), None

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