Workpiece identification providing method, workpiece, workpiece

Details Workpiece identification providing method, workpiece, workpiece Workpiece identification providing method, workpiece, workpiece

1996-08-02

1999-10-26

Thibodeau, Paul

Conveyors: power-driven

With means to facilitate working, treating, or inspecting...

Having signalling or load identifying means

198349, 428131, 428192, 428596, 21912169, 21912185, 235440, 235445, 235447, 235453, 235475, 235489, 209619, 209554, B65G 4300, B21B 3700, B23K 2600, A06K 708

Patent

active

059711302

ABSTRACT:
A workpiece identifying method is provided, being characterized in that a plurality of identification areas of plural columns and rows are plotted in an identification mark providing region provided in the area of the unused portion of a workpiece or a product, identification holes are formed in the proper number of identification areas, whereby an identification mark is provided to the workpiece or the product. A workpiece is produced with identification holes formed in the proper number of identification areas. An identifying method for detecting the identification holes formed in the proper number of identification areas of the workpiece and workpiece identification apparatus are also provided. Sheet metal machining apparatus is further provided, having the workpiece identification apparatus placed in a workpiece feed device side or a carry-away device side for a sheet metal work machine. Thus, an identification mark is easily and surely provided to the workpiece, making it easy to identify the same.

REFERENCES:
patent: 3735771 (1973-05-01), Panissidi
patent: 3869082 (1975-03-01), Ludin
patent: 4317030 (1982-02-01), Berghell
patent: 4349731 (1982-09-01), Berner
patent: 4503323 (1985-03-01), Flam
patent: 4708901 (1987-11-01), Wood
patent: 4764667 (1988-08-01), Abe et al.
patent: 4768410 (1988-09-01), Wood
patent: 5291647 (1994-03-01), Fukasaw et al.

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