Rope and method for detecting damage thereof

(19)

(11)

EP 1 439 262 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	06.07.2005 Bulletin 2005/27

(43)	Date of publication A2:
	21.07.2004 Bulletin 2004/30

(21)	Application number: 03029800.4

(22)	Date of filing: 23.12.2003

(51)	International Patent Classification (IPC)⁷: D07B 1/06

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

(30)

Priority:

15.01.2003 JP 2003007354

(71)	Applicant: Hitachi, Ltd.
	Chiyoda-ku, Tokyo 100-8010 (JP)

(72)	Inventors:
	Nakamura, Ichirou, c/o Hitachi, Ltd., Chiyoda-ku Tokyo 100-8220 (JP) Oomiya, Akihiro, c/o Hitachi, Ltd., Chiyoda-ku Tokyo 100-8220 (JP) Iwakura, Shota, c/o Hitachi, Ltd., Chiyoda-ku Tokyo 100-8220 (JP) Furukawa, Ippei, c/o Hitachi, Ltd., Chiyoda-ku Tokyo 100-8220 (JP)

(74)	Representative: Strehl Schübel-Hopf & Partner
	Maximilianstrasse 54 80538 München 80538 München (DE)

(54)	Rope and method for detecting damage thereof

(57) In a rope comprising a bundle of wires (21, 31, 32) each of which is adapted to bear a tensile load to be borne by the rope, predetermined one (32) of the wires is configured to be at least partially breakable by applying tension and flexure to the rope, before an at least partial breakage of a rest of the wires (21, 31) other than the predetermined one (32) of the wires by applying the tension and flexure to the rope.

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