Title:
PNEUMATIC TIRE FOR BICYCLE
Document Type and Number:
WIPO Patent Application WO/2007/040202
Kind Code:
A1
Abstract:
In a pneumatic tire for a bicycle having grooves (30, 31) (inclining portion (32))
formed in the outer surface of a tread (13) to extend substantially in the width
direction, and having its rotational direction specified, driving performance
or braking performance is enhanced. Since driving force acts on a tire for a rear
wheel during acceleration traveling, the entire land (35) between the inclining
portions (32) begins to tilt rearward in the rotational direction; since the
inclining portions (32) are inclining forward in the rotational direction,
as a whole, from a deepest portion (D) toward the end (K) of an opening, a substantially
triangular brace (36) formed at the rear end of each land (35) in the rotational
direction resists powerfully thus suppressing tilt at each land (35) effectively.
Consequently, drive performance is enhanced by enhancement in grip force during
driving, and occurrence of uneven wear is suppressed by a uniformed ground-contacting
pressure.
Inventors:
ISHIYAMA MAKOTO (JP)
Application Number:
PCT/JP2006/319697
Publication Date:
April 12, 2007
Filing Date:
October 02, 2006
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
ISHIYAMA MAKOTO (JP)
ISHIYAMA MAKOTO (JP)
International Classes:
B60C11/04; B60C5/00; B60C11/13
Foreign References:
| JPS62174905U | 1987-11-06 | |||
| JPH07329514A | 1995-12-19 | |||
| JPH02133206A | 1990-05-22 | |||
| JP2003211917A | 2003-07-30 | |||
| JPH1081111A | 1998-03-31 | |||
| JPH1067207A | 1998-03-10 | |||
| JPS6163327U | 1986-04-30 | |||
| JPH07329514A | 1995-12-19 | |||
| JPH02133286A | 1990-05-22 | |||
| JP2003211917A | 2003-07-30 |
Other References:
See also references of EP 1942015A4
Attorney, Agent or Firm:
SUGIMURA, Kosaku et al. (2-4 Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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