Patent · US Expired

Determination of the integrity of part of structural materials

US4603252A · kind A · utility

46Cited by

4References

7Claims

0Family size

Assignee

Messerschmitt Bolkow Blohm GmbH · DE

Inventors

Samir Malek · Schwanewede, DE
Bernd Hofer · Pettenbach, AT

Key dates

Filing date	Nov 7, 1983
Grant date	Jul 29, 1986
Priority date	—
Expiry date	Nov 7, 2003

Classification

Technology area (CPC G)Physics
CPC primaryG01N2203/0064
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Laminated parts of structural material receive as embedment light transmitting fibers, preferably in addition to reinforcing fibers, and light transmission through the light transmitting fibers is monitored for purposes of determining pattern irregularities and formation of cracks.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.