Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2009029248
Kind Code:
A
Abstract:
To reduce pedestrians' annoyance by preventing pedestrians from getting wet, to the minimum, by water discharged out of shoulder lug grooves 23 even if pneumatic tires 1 travel on a water-pooled road.
The shoulder lug grooves 23 has smooth constricted shapes in such a way that groove widths at main grooves 7 side and tread ends TE side are wider, and groove widths at ground-contact ends GT side of the tires become narrower. Protrusions 27 or convex and concave parts 29 are formed between the main grooves 7 and the ground-contact ends GT of the tires on wall surfaces of the shoulder lug grooves 23. Expanded portions 31 are formed near the ground-contact ends GT of the tires at bottom surfaces of the shoulder lug grooves 23.
Inventors:
NOMURA KEIICHI
Application Number:
JP2007194869A
Publication Date:
February 12, 2009
Filing Date:
July 26, 2007
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B60C11/04; B60C11/01; B60C11/117; B60C11/13
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu