Fuente: WIPO "hemp" Novel elevator rope uses sisal hemp core, it relates to the elevator and makes technical field, it contains three sisal hemp yarn thighs, sisal hemp yarn thigh contains the spunyarn yarn and the dry yarn of ramie, and the dry yarn of ramie of the six roots of sensation wraps up in the periphery of two spunyarn yarns, and the dry yarn of ramie and spunyarn yarn are thoughtlessly twisted with the fingers mutually. Avoided the oil content not control well to and the problem that the seepage was come out in the grease follow wire rope gap on hemp center surface.