Method for manufacturing a display element for a timepiece and display element manufactured in accordance with such method

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United States of America Patent

PATENT NO 6668456
SERIAL NO

09516508

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Importance

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Abstract

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In order to manufacture the display element intended for a timepiece, a sheet of plastic material shaped in a tape (3) is provided. The sheet is then deformed using tools (4, 6) by thermoforming to give it a profile (10, 11, 13, B) corresponding to the outer contour (20) of said elements. Such an element can be a date disc or a dial.

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Patent Owner(s)

Patent OwnerAddress
ETA SA FABRIQUES D'EBAUCHESSCHILD-RUST-STRASSE 17 CH-2540 GRENCHEN SWITZERLAND

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Moser, Ernst Grenchen, CH 1 4
Schoenenberger, Theodor Bellach, CH 2 10

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