EP 0882841 B1 2002-09-18 - Shoulder cleaner
CH 129897 A
[origin: EP0882841A1] The method cleans the ballast between permanent way railway lines involves a scoop (3.5) which scoops up the loose ballast temporarily, while the underlying ground is cleaned by at least one cleaning unit. The loose ballast is then returned to the permanent way. Before cleaning, the underlying ground is roughened. The returned loose ballast is returned in separate flow streams through the cleaning unit.
IPC 1-7 (main, further and additional classification)
IPC 8 full level (invention and additional information)
CPC (invention and additional information)
Designated contracting state (EPC)
AT DE FR IT NL