Injection moulding mould part with wear-resistant coating

Details Injection moulding mould part with wear-resistant coating Injection moulding mould part with wear-resistant coating

2007-05-22

2007-05-22

Heckenberg, Donald (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

C425S810000, C425S812000, C249S116000

Reexamination Certificate

active

11222820

ABSTRACT:
Injection moulding mould part consisting of a mirror and a venting ring that can be moved with respect thereto. A wear-resistant coating has been applied to the mirror and/or the interface between the two parts that can be moved with respect to one another. This coating consists of hard metal based on tungsten with a minimum thickness of 0.01 mm and more particularly with a thickness of at least 0.1 mm. This coating is applied with an HP-HVOF process (High Velocity Oxygen Fuel).

REFERENCES:
patent: 6099287 (2000-08-01), Higashida et al.
patent: 6238197 (2001-05-01), Van Hout et al.
patent: 2002/0031570 (2002-03-01), Gabriel
patent: 2003/0127775 (2003-07-01), McDonald
patent: 1 120 221 (2001-08-01), None
patent: 11-200007 (1999-07-01), None
patent: 11-240624 (1999-09-01), None
patent: WO 99/37471 (1999-07-01), None

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