Patent · US Active

Method for checking the integrity of composite load bearing member

US11921071B2 · kind B2 · utility

0Cited by

8References

26Claims

0Family size

Assignee

Kone Corporation · FI

Inventors

Kim Antin · Helsinki, FI
Sven Bossuyt · Helsinki, FI
Antti Hassinen · Helsinki, FI
Juha Helenius · Helsinki, FI
Juha Honkanen · Joensuu, FI
Mika Juntunen · Helsinki, FI
Petri Kere · Helsinki, FI
Mikko Lassila · Tampere, FI
Hannu Lehtinen · Porvoo, FI
Aleksi NAREIKKO · Helsinki, FI
Mikko Puranen · Helsinki, FI
Kai Ruotsalainen · Helsinki, FI
Petteri Valjus · Helsinki, FI

Key dates

Filing date	Mar 28, 2019
Grant date	Mar 5, 2024
Priority date	—
Expiry date	Jan 4, 2043

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/707
WIPO fieldMeasurement
WIPO sectorInstruments

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.

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