EP 1625891 B1 20140108 - Airless spray-coating of a surface with a viscous aqueous architectural coating composition
Title (en)
Airless spray-coating of a surface with a viscous aqueous architectural coating composition
Title (de)
Luftloses Spritzverfahren einer wässrigen Beschichtungszusammensetzung hoher Viskosität
Title (fr)
Méthode de pulvériation sans air d'une composition de revêtement aqueuse visqueuse
Publication
Application
Priority
- EP 04380170 A 20040813
- EP 05076856 A 20050810
Abstract (en)
[origin: EP1625891A2] A process for the airless spray-coating of a surface with a viscous aqueous non-Newtonian architectural coating composition wherein the composition contains a preferably associative thickener and is subjected to a pressure of from 2.5 to 5 bar generated preferably by hand-operated compressor and then sprayed from a preferably slot-shaped outlet orifice (52) in a nozzle (50) to produce an outflow (31) of composition having boundaries (35) which diverge at least until it has formed a front of at least 30mm in width. The composition preferably has a Brookfield viscosity of at least 0.5 pa.sec and a solids content of 7 wt %. Also apparatus for performing the process comprising a container containing the coating composition together with a nozzle having an outlet orifice, a hand-operated compressor and a pressure release valve actuatable in the pressure range 2.5 to 5 bar and preferably an auxiliary orifice upstream of the outlet orifice. The process and apparatus enable the viscous compositions to be applied quickly using low pressures easily generated by a hand compressor.
IPC 8 full level
B05B 1/02 (2006.01); B05B 1/04 (2006.01); B05B 1/06 (2006.01); B05D 1/02 (2006.01)
CPC (source: EP)
B05B 1/042 (2013.01); B05D 1/02 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1625891 A2 20060215; EP 1625891 A3 20060419; EP 1625891 B1 20140108; PL 1625891 T3 20140630
DOCDB simple family (application)
EP 05076856 A 20050810; PL 05076856 T 20050810