The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 1988
Filed:
Dec. 11, 1985
Applicant:
Inventors:
Bernd Hofer, Lemwerder, DE;
Samir Malek, Leuchtenburg, DE;
Assignee:
MBB GmbH, Bremen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; H01J / ;
U.S. Cl.
CPC ...
350 9624 ; 350 9629 ; 350 9610 ; 250227 ; 2502 / ; 2502 / ; 73800 ;
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.