Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JPH1191322
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve maneuvering stability and air sealing ability without using hard rubber composition. SOLUTION: In this tire, a bead base 6 is constituted with plural taper angles tilting to an axial line A in the tire rotational axis direction, taper angle is maximum in the region F from a position P of 1/3-2/3 of a bead base width W in the view from a bead heel H to a bead toe T, and the maximum taper angle α is in a range of 30-40 deg.. In this case, JIS-A hardness of rubber composition composing a bead toe part 7 is in a range of 50-80.
Inventors:
IINO HIROSHI
OSHIMA MASAYUKI
OSHIMA MASAYUKI
Application Number:
JP25805297A
Publication Date:
April 06, 1999
Filing Date:
September 24, 1997
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C15/024; B60C15/06; (IPC1-7): B60C15/024; B60C15/06
Attorney, Agent or Firm:
Shinichi Ogawa (2 outside)
Previous Patent: PNEUMATIC TIRE FOR HEAVY LOAD
Next Patent: TRACK RUNNING WHEEL FOR TRACK LAND VEHICLE
Next Patent: TRACK RUNNING WHEEL FOR TRACK LAND VEHICLE