EP 1166709 A3 20030319 - Modular shoe scraper
Title (en)
Modular shoe scraper
Title (de)
Modularer Fussabstreifer
Title (fr)
Paillasson modulaire
Publication
Application
Priority
ES 200001674 U 20000622
Abstract (en)
[origin: EP1166709A2] A free piston (104) positioned between an entrance pipe (1) and an exit pipe (21) to the brine supply chamber (5) ensures that the brine circulates through this chamber in one direction. A hydraulic damping device is used in a reverse osmosis desalination apparatus containing supply chambers which are pressurized in a continuous kinetic cycle. The component ensuring that brine circulates through the supply chamber in one direction comprises a free piston positioned between an entrance pipe and an exit pipe. The piston stroke is limited by inlet and outlet stops (106, 107), which prevent the piston from reaching either the entrance or exit pipe. Independent claims are also included for: (a) a second hydraulic damping device comprising a membrane; and (b) a third hydraulic damping device comprising a bypass valve.
IPC 1-7
IPC 8 full level
A47L 23/22 (2006.01); A47L 23/24 (2006.01); E04F 15/10 (2006.01)
CPC (source: EP US)
A47L 23/24 (2013.01 - EP US); E04F 15/02194 (2013.01 - EP US); E04F 15/082 (2013.01 - EP US); E04F 15/10 (2013.01 - EP US)
Citation (search report)
- [A] DE 3725391 A1 19890209 - GUMMI GEGGUS GUMMIMATTENFABRIK [DE]
- [A] WO 9912465 A1 19990318 - MILLIKEN DENMARK [DK], et al
- [DA] ES 252649 U 19810501
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1166709 A2 20020102; EP 1166709 A3 20030319; ES 1046587 U 20010101; ES 1046587 Y 20010601; US 2002124506 A1 20020912; US 6622440 B2 20030923
DOCDB simple family (application)
EP 01115232 A 20010622; ES 200001674 U 20000622; US 88481201 A 20010619