公开(公告)号：US11921071B2

公开(公告)日：2024-03-05

申请号：US16367426

申请日：2019-03-28

Applicant: Kone Corporation

Inventor： Kim Antin ,  Sven Bossuyt ,  Antti Hassinen ,  Juha Helenius ,  Juha Honkanen ,  Mika Juntunen ,  Petri Kere ,  Mikko Lassila ,  Hannu Lehtinen ,  Aleksi Nareikko ,  Mikko Puranen ,  Kai Ruotsalainen ,  Petteri Valjus

IPC: G01N25/72 ,  B66B7/12 ,  B29L31/00

CPC classification number: G01N25/72 ,  B66B7/1215 ,  B29L2031/707

Abstract: The invention relates to a method for inspecting quality and/or condition of an elongated composite member, which is a load bearing member of a rope of a hoisting apparatus, such as an elevator, or a precursor of such a load bearing member, the method comprising providing an elongated composite member; and changing the temperature of said elongated composite member by heating or cooling said elongated composite member via a flank thereof; and scanning said elongated composite member from a lateral side thereof with a thermal imaging device after said changing of the temperature; and creating thermographic images of said elongated composite member.