Title:
TAPER PULLEY
Document Type and Number:
WIPO Patent Application WO/2010/079839
Kind Code:
A1
Abstract:
Provided is a taper pulley whereby a belt can be appropriately conveyed while preventing friction even in a low-temperature environment. A rubber part (22) that is the outer peripheral face of a pulley (11) is divided, in the axial direction, into a plurality of areas (A1), (A2) and (A3). The hardness (H-30°C) at -30°C of the areas (A1) and (A3) is higher than the hardness (H-30°C) at -30°C of the area (A2). The areas (A1) and (A3) comprise a highly hardwearing rubber such as NBR. The area (A2) comprises a highly cold-proof rubber such as SBR or BR. These highly cold-proof rubbers show a small increase in hardness with a lowering in temperature from room temperature (23°C) to a low temperature (-30°C).
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Inventors:
SAEKI NAOYUKI (JP)
Application Number:
PCT/JP2010/050296
Publication Date:
July 15, 2010
Filing Date:
January 06, 2010
Export Citation:
Assignee:
NITTA CORP (JP)
SAEKI NAOYUKI (JP)
SAEKI NAOYUKI (JP)
International Classes:
B65G39/00; B65G15/02; F16C13/00
Foreign References:
| JP2007308213A | 2007-11-29 | |||
| JPH04121521U | 1992-10-30 | |||
| JP2008303389A | 2008-12-18 | |||
| JP2008163214A | 2008-07-17 | |||
| JPH08190270A | 1996-07-23 |
Attorney, Agent or Firm:
MATSUURA, TAKASHI (JP)
Matsuura 孝 (JP)
Matsuura 孝 (JP)
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