Method for manufacturing an ornamental hard material part provided with a polymer coating

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12235610
APP PUB NO 20210389729A1
SERIAL NO

17320613

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An ornamental part, for example for a timepiece, jewellery or telephone, in particular a watch case middle, and its manufacturing method, the part at least partly including a hard material having a Vickers hardness greater than 1000 HV, the method including the following main steps: a step of producing a precursor from a mixture of at least one powder material with a binder, a step of injecting the precursor into a mould in order to form a green body, a step of sintering the green body in order to form a body of the future part from the hard material, and a step of depositing a polymer material coating on one face of the part, the deposition being carried out by moulding on the body, in particular by injection into a mould, the coating and the hard material being inseparable.

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Patent Owner(s)

  • COMADUR SA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arede, Paulo La Chaux-de-Fonds, CH 6 1
Bubendorf, Denis Bevaix, CH 6 3
Romand, Johan Mamirolle, FR 4 0
Vuille, Pierry Les Emibois, CH 58 84

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