Method for manufacturing hour-symbols and installation for...

Details Method for manufacturing hour-symbols and installation for... Method for manufacturing hour-symbols and installation for...

2008-03-04

2008-03-04

Hong, John C. (Department: 3726)

Metal working

Method of mechanical manufacture

Watch or clock making

Reexamination Certificate

active

11038174

ABSTRACT:
The method consists, from a profile having a section corresponding either to the envelope of the base of the symbol or to that of its section, in first of all machining the feet, transferring the preformed profile in a clamp, gripping the symbol by the feet, cutting the preform, shaping and diamondpolishing all of the visible faces of said symbol, and transferring said finished symbol into an individual packing tray using a robot.

REFERENCES:
patent: 2761198 (1956-09-01), Stern
patent: 3277562 (1966-10-01), Huguenin
patent: 3287798 (1966-11-01), Beyeler et al.
patent: 3323396 (1967-06-01), Kochli
patent: 3433013 (1969-03-01), Kohli et al.
patent: 1 714 066 D (1968-12-01), None
patent: 1 680 168 D (1970-11-01), None
patent: 506 111 (1971-04-01), None
patent: 565 406 (1972-09-01), None
patent: 1 403 178 (1965-06-01), None
patent: 2308133 (1976-11-01), None
European Search Report, completed Aug. 10, 2004.

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