Global Patent Index - EP 1023190 A1

EP 1023190 A1 2000-08-02 - TREAD ARCS FOR NONROTATABLE AUTOMOBILE AND LIGHT TRUCK TIRES

Title (en)

TREAD ARCS FOR NONROTATABLE AUTOMOBILE AND LIGHT TRUCK TIRES

Title (de)

LAUFFLÄCHENKRÜMMUNGEN FÜR UMWECHSELBARE PKW-LIEFERWAGEN-REIFEN

Title (fr)

ARCS DE BANDES DE ROULEMENT POUR VEHICULES AUTOMOBILES ET UTILITAIRES LEGERS A QUATRE ROUES

Publication

EP 1023190 A1 (EN)

Application

EP 97945239 A

Priority

US 9716906 W

Abstract (en)

[origin: WO9914064A1] A pneumatic radial tire combination for four-wheeled automobile or light truck vehicles. The tire combination has a pair of front steer position tires and a pair of rear position tires. The front steer position tire (10) has a first tread arc (46) when the tire is normally inflated for normal load but unloaded, of decreasing radii extending toward the lateral edges (42, 44) and a straight line (50) drawn between the intersection of the tread arc curvature and the centerplane is inclined at an angle theta F of greater than 5 DEG relative to a tangent line L, L being tangent to the tread arc at the centerplane and parallel to the axis of rotation R. The rear tire (20) when similarly measured has a tread arc having an angle theta R of less than 5 DEG .

IPC 1-7 (main, further and additional classification)

B60C 11/00; B60C 19/00

IPC 8 full level (invention and additional information)

B60C 11/00 (2006.01); B60C 19/00 (2006.01)

CPC (invention and additional information)

B60C 11/0083 (2013.01); B60C 11/00 (2013.01); B60C 19/001 (2013.01)

Citation (search report)

See references of WO 9914064A1

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 9914064 A1 19990325; AU 4648897 A 19990405; CA 2298444 A1 19990325; EP 1023190 A1 20000802; ZA 9808119 B 19990310

INPADOC legal status


2001-02-21 [18W] WITHDRAWN

- Date of withdrawal: 20001201

2000-08-02 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000417

2000-08-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FR GB IT