Patent · US Expired

Crack detection arrangement utilizing optical fibres as reinforcement fibres

US4772092A · kind A · utility

44Cited by
14References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1985
Grant dateSep 20, 1988
Priority date
Expiry dateDec 11, 2005

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01M11/086
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An arrangement for detecting cracks within a construction or structure part made of multiple lamina in a compound fashion and wherein at least some of said lamina are made of fibres, being at least partially embedded in synthetic resin, includes light conducting fibres in said lamina taking the place of regular ones of said fibres within a pattern of such fibres either as part of the weaving pattern or as particular interposed layer.

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