Fastening means with machine-readable information storage means

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – With means to indicate application of predetermined... – Including gauge means

Reexamination Certificate

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C411S378000, C081S467000

Reexamination Certificate

active

06843628

ABSTRACT:
The invention relates to a fixing device, such as a screw (1) a plain washer, a nut or a rivet, with an information memory that can be read from the exterior. The information memory (4) is machine readable. According to the invention, the information memory contains optically readable information.

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