Title:
GREASE FOR ELEVATOR ROPE, ELEVATOR ROPE, AND TRACTION ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2017/098924
Kind Code:
A1
Abstract:
Provided are: grease for elevator ropes which has both high traction properties and high wear resistance, and further has adhesion to rope surfaces; and an elevator rope and a traction elevator which use the grease for elevator ropes. This grease for elevator ropes is configured from a grease layer of an elevator rope that includes a wire rope and the grease layer formed on the surface of the wire rope. The grease for elevator ropes is characterized by comprising grease that includes a base oil containing a hydrocarbon component and a naphthene compound, the hydrocarbon component being liquid or solid with a kinetic viscosity at 40°C of greater than 60 mm2/s and being contained in an amount of 30 to 90% by mass of the grease.
More Like This:
Inventors:
NUNOSHIGE JUN (JP)
OTA RYO (JP)
OOBU YOSHIKI (JP)
NAKAYAMA MASATO (JP)
ABE TAKASHI (JP)
OTA RYO (JP)
OOBU YOSHIKI (JP)
NAKAYAMA MASATO (JP)
ABE TAKASHI (JP)
Application Number:
PCT/JP2016/084723
Publication Date:
June 15, 2017
Filing Date:
November 24, 2016
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
C10M171/02; B66B7/12; C10M105/04; C10M107/08; C10M115/02; C10M115/08; C10M143/00; C10N20/02; C10N40/32; C10N50/10
Foreign References:
| JPS5440351U | 1979-03-17 | |||
| JPS58176298A | 1983-10-15 | |||
| JPS4844301A | 1973-06-26 | |||
| JPS56120798A | 1981-09-22 | |||
| US5306851A | 1994-04-26 | |||
| JP2015229723A | 2015-12-21 |
Other References:
"Nichiyu Polybutene TM Emawet(R", NOF CORP., October 2010 (2010-10-01), pages 1 - 12, Retrieved from the Internet [retrieved on 20161221]
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
Download PDF:
Previous Patent: VEHICULAR INTERIOR MATERIAL
Next Patent: OXAZINE COMPOUND, COMPOSITION AND CURED PRODUCT
Next Patent: OXAZINE COMPOUND, COMPOSITION AND CURED PRODUCT