Title:
The rubber for a conveyer belt cover and the conveyer belt using the rubber composition for conveyer belts, and its constituent
Document Type and Number:
Japanese Patent JP6185275
Kind Code:
B2
Abstract:
The purpose is to manufacture, as a rubber composition that has improved wear resistance and workability and that is suitable for use as a rubber cover for the upper surface of a conveyor belt, a rubber composition containing: a rubber component containing 10 to 40 mass parts of natural rubber and 60 to 90 mass parts of butadiene rubber polymerized using a neodymium-based catalyst; and, in relation to 100 mass parts of the rubber component, 50 to 70 mass parts of carbon black having a nitrogen adsorption specific surface area of 100 m2/g or above, 5 to 15 mass parts of silica, and 5 to 15 mass parts of a resin having a softening point of 120°C or below; no silane coupling agent being contained in the rubber composition. In addition, the purpose is to manufacture a conveyor belt using the rubber composition as a rubber cover.
Inventors:
Tetsuya Ishikawa
Application Number:
JP2013088618A
Publication Date:
August 23, 2017
Filing Date:
April 19, 2013
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
C08L9/00; B29D29/06; B65G15/32; C08K3/04; C08K3/36; C08L7/00; C08L45/00
Domestic Patent References:
| JP2003105136A | ||||
| JP2009215339A | ||||
| JP2006199892A | ||||
| JP2000198517A | ||||
| JP2002069241A | ||||
| JP2006104372A |
Attorney, Agent or Firm:
Eisuke Fujimoto
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba
Previous Patent: The polish constituent kit for magnetic-disk boards
Next Patent: OPENING STRUCTURE BUILDING
Next Patent: OPENING STRUCTURE BUILDING