EP 0368129 B1 19930804 - SUCTION DREDGER
Title (en)
SUCTION DREDGER
Publication
Application
Priority
DE 3837670 A 19881105
Abstract (en)
[origin: EP0368129A1] In order to be able to raise soil above soil-covered lines in a controlled manner, a dredger is provided which consists of a pneumatic suction pipe, a hollow cylindrical tool (10), forming the suction piece of the latter, for breaking up the soil, a collecting vessel (2) for the sucked-up soil into which the suction pipe (3) opens and in which the soil is deposited from the stream of suction air, an extractor fan (4) adjoining the collecting vessel, and at least one filter (22) arranged between the opening of the suction pipe into the collecting vessel, and the extractor fan. <IMAGE>
IPC 1-7
IPC 8 full level
E02F 3/88 (2006.01); E02F 3/90 (2006.01); E02F 3/92 (2006.01); E02F 3/94 (2006.01); E02F 5/00 (2006.01); E02F 5/28 (2006.01)
CPC (source: EP)
E02F 3/88 (2013.01); E02F 3/8825 (2013.01); E02F 3/90 (2013.01); E02F 3/9275 (2013.01); E02F 3/94 (2013.01); E02F 5/003 (2013.01); E02F 5/287 (2013.01)
Citation (examination)
- GB 2095126 A 19820929 - HEAT PUMPS W R LTD
- US 2513174 A 19500627 - HESS FREDERIC O
Designated contracting state (EPC)
BE DE FR GB IT NL SE
DOCDB simple family (publication)
EP 0368129 A1 19900516; EP 0368129 B1 19930804; DE 3837670 A1 19900510; DE 58905147 D1 19930909
DOCDB simple family (application)
EP 89120239 A 19891101; DE 3837670 A 19881105; DE 58905147 T 19891101