Method of and equipment for checking support means

Details Method of and equipment for checking support means Method of and equipment for checking support means

2007-03-20

2007-03-20

Verbitsky, Gail (Department: 2859)

Thermal measuring and testing

Thermal testing of a nonthermal quantity

With loading of specimen

C374S057000, C374S005000

Reexamination Certificate

active

10974607

ABSTRACT:
A method and equipment for checking a support device such as used in an elevator installation. The method and equipment detects reductions in cross-section of the tensile supports in the support device by heating the tensile supports with electrical current flow and determining the temperature at surface of surrounding sheathing. An increase in the temperature from an original measurement is an indicator of damage to the tensile supports.

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patent: WO 03/043926 (2003-05-01), None
patent: WO03/077393 (2003-09-01), None

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