Global Patent Index - EP 0976871 A1

EP 0976871 A1 2000-02-02 - Road compactor

Title (en)

Road compactor

Title (de)

Strassenwalze

Title (fr)

Compacteur de routes

Publication

EP 0976871 A1 (DE)

Application

EP 99114468 A

Priority

DE 19834655 A

Abstract (en)

The road roller (1) is a self-propelled machine with a cylindrical roller (3) at the leading end to compress the road surface material, such as of gravel or sand. A plate unit (7) is at the trailing end to smooth and compress the road surface, to ensure that the upper layers of the road surface are consistently compacted. The trailing smoothing/compressing unit (7) is operated by a hydraulic pump (10) with an oil motor (8) at variable rotary speeds. The trailing unit (7) has a height adjustment (6), and a setting mechanism (11) to alter the gap between it and the roller (3).

Abstract (de)

Bei einer Straßenwalze (1) mit einer zylindrischen Walze (3) zum Verdichten von rolligem Material wie Kies oder Sand ist der Walze (3) ein Plattenverdichter (7) in Fahrtrichtung der Walze (3) nachgeschaltet. Dadurch wird eine gleichmäßige Verdichtung des Materials erreicht und der bisher aufgetretene Effekt einer zu geringen Verdichtung des Materials nahe seiner Oberfläche verhindert. <IMAGE>

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

E01C 19/41

IPC 8 full level (invention and additional information)

E01C 19/41 (2006.01)

CPC (invention and additional information)

E01C 19/41 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0976871 A1 20000202; DE 19834655 A1 20000203

INPADOC legal status


2001-07-04 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20000803

2000-10-18 [AKX] PAYMENT OF DESIGNATION FEES

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

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-02-02 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI