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Title:
伝動ベルト
Document Type and Number:
Japanese Patent JP5016239
Kind Code:
B2
Abstract:
The invention provides a transmission belt that can suppress lowering in transmission efficiency and has improved durability. A rubber layer adhered to core wires is formed to have a durometer hardness (shore A) of not less than 72 and not more than 85, or have a tensile stress of not less than 0.5 MPa and not more than 1.7 MPa when stretched 10% in the belt longitudinal direction at 25° C., and the rubber layer is formed to have a weight increase of 90% or less after immersed in light oil for 48 hours at 25° C. or have a weight increase of 80% or less after immersed in toluene for 48 hours at 25° C. Alternatively, the rubber layer adhered to the core wires is formed to have a storage modulus of not less than 10 MPa and not more than 50 MPa and a tan δ of not more than 0.15 as measured by dynamic viscoelasticity measurement under conditions at a static load of 3 kgf/cm2, a dynamic strain of 0.4%, a frequency of 10 Hz and a temperature of 25° C. in a tensile mode in a belt longitudinal direction.

Inventors:
Hisayuki Nakajima
Shigeki Okuno
Application Number:
JP2006060935A
Publication Date:
September 05, 2012
Filing Date:
March 07, 2006
Export Citation:
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Assignee:
Bando Chemical Industries, Ltd.
International Classes:
F16G1/08; B29D29/10; F16G5/06; F16G5/20
Domestic Patent References:
JP2000026674A
JP2006038214A
Attorney, Agent or Firm:
Noboru Fujimoto
Seiichi Yakumaru
Hiroaki Nakatani