EP 0652791 B1 19960320 - DEVICE FOR CLEANING CONTAMINATED TOPSOIL
Title (en)
DEVICE FOR CLEANING CONTAMINATED TOPSOIL
Title (de)
REINIGUNGSVORRICHTUNG FÜR KONTAMINIERTES ERDREICH
Title (fr)
DISPOSITIF DE NETTOYAGE DE SOLS CONTAMINES
Publication
Application
Priority
- DE 4225125 A 19920730
- EP 9301928 W 19930721
Abstract (en)
[origin: US5613805A] PCT No. PCT/EP93/01928 Sec. 371 Date Jan. 30, 1995 Sec. 102(e) Date Jan. 30, 1995 PCT Filed Jul. 21, 1993 PCT Pub. No. WO94/03236 PCT Pub. Date Feb. 17, 1994In an apparatus for aspirating gases, in particular from topsoil, an effective explosion protection can be attained by having a negative-pressure fan or negative-pressure generator formed as a water-ring pump.
IPC 1-7
IPC 8 full level
E01H 15/00 (2006.01); B09B 3/00 (2006.01); B09C 1/00 (2006.01); F04C 19/00 (2006.01)
CPC (source: EP US)
F04C 19/001 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH DE DK FR GB IT LI NL
DOCDB simple family (publication)
US 5613805 A 19970325; AT E135592 T1 19960415; AU 4571693 A 19940303; DE 4225125 A1 19940203; DE 59301987 D1 19960425; DK 0652791 T3 19960415; EP 0652791 A1 19950517; EP 0652791 B1 19960320; JP H07509401 A 19951019; WO 9403236 A1 19940217
DOCDB simple family (application)
US 37464395 A 19950130; AT 93915966 T 19930721; AU 4571693 A 19930721; DE 4225125 A 19920730; DE 59301987 T 19930721; DK 93915966 T 19930721; EP 9301928 W 19930721; EP 93915966 A 19930721; JP 50494494 A 19930721