Title:
HELICAL BELT AND BELT TRANSMISSION GEAR
Document Type and Number:
WIPO Patent Application WO/2019/013232
Kind Code:
A1
Abstract:
The present invention pertains to a helical belt having a back part in which a core wire is embedded, and a plurality of teeth parts that are provided to one surface of the back part at prescribed intervals along a belt longitudinal direction and are each inclined relative to a belt width direction, wherein the helical belt is characterized in that: the surfaces of the teeth parts and part of the one surface of the back part are configured from tooth cloth; the tooth pitch of the plurality of teeth parts is at least 2 mm and less than 4 mm; when the tooth pitch of the plurality of teeth parts is at least 2 mm and less than 3 mm, the thickness of the back part is 0.4-1.2 mm; when the tooth pitch of the plurality of teeth parts is at least 3 mm and less than 4 mm, the thickness of the back part is 0.6-1.8 mm; the core wire is a twisted cord containing high-strength glass fibers or carbon fibers, the diameter of the cord being 0.2-0.6 mm; and the core wire is arranged so that the core wire pitch between two parts of the core wire is in a range of 0.45-0.6 mm.
Inventors:
IKEGAMI HIROAKI (JP)
YOSHIDA MASAKUNI (JP)
YOSHIDA MASAKUNI (JP)
Application Number:
PCT/JP2018/026105
Publication Date:
January 17, 2019
Filing Date:
July 10, 2018
Export Citation:
Assignee:
MITSUBOSHI BELTING LTD (JP)
International Classes:
F16G1/28; B62D5/04; F16H7/02
Domestic Patent References:
| WO2014024377A1 | 2014-02-13 | |||
| WO2017164135A1 | 2017-09-28 | |||
| WO2014091672A1 | 2014-06-19 | |||
| WO2014024377A1 | 2014-02-13 |
Foreign References:
| EP2803879A1 | 2014-11-19 | |||
| JP2012225456A | 2012-11-15 | |||
| JP2005098470A | 2005-04-14 | |||
| JP2004308702A | 2004-11-04 | |||
| JP2017135270A | 2017-08-03 | |||
| JP2018073854A | 2018-05-10 | |||
| JP2018121700A | 2018-08-09 |
Other References:
See also references of EP 3653904A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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