Workpiece identification providing method, workpiece, workpiece identifying method and apparatus thereof, and sheet metal machining apparatus
US5971130A · kind A · utility
Inventor
Key dates
| Filing date | Aug 2, 1996 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Aug 2, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24777
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.