Global Patent Index - EP 0704249 B1

EP 0704249 B1 2000-01-26 - Device for distributing pulverulent solids on the surface of a substrate for coating this substrate

Title (en)

Device for distributing pulverulent solids on the surface of a substrate for coating this substrate

Title (de)

Vorrichtung zur Verteilung pulverförmiger Feststoffe auf der Oberfläche eines Substrats zur Beschichtung dieses Substrates

Title (fr)

Dispositif de distribution de solides pulvérulents à la surface d'un substrat en vue d'y déposer un revêtement

Publication

EP 0704249 B1 (FR)

Application

EP 95402160 A

Priority

FR 9411504 A

Abstract (en)

[origin: EP0704249A1] The distributor consists of a nozzle (24) with its walls forming a cavity which ends in a lengthwise slit, and a powder delivery system with a main feed duct (6), a divider (7) and a series of secondary ducts (8), at least some of which have a pneumatic modulator for the powder/gas flow. The modulator forms part of regulating loop which is linked to a coating quality or thickness monitor, and has an auxiliary gas feed duct to the secondary ducts and equipped with a gas flow or pressure regulator. Each secondary duct ends in an injector (9), the injectors being set at regular intervals along a line in the cavity inlet. The cavity also has a pressurised gas injector.

IPC 1-7 (main, further and additional classification)

B05B 7/14; B05B 12/04; B05B 12/12

IPC 8 full level (invention and additional information)

C03C 17/27 (2006.01); B05B 7/14 (2006.01); B05B 12/04 (2006.01); B05B 12/12 (2006.01)

CPC (invention and additional information)

B05B 7/1404 (2013.01); B05B 7/1477 (2013.01); B05B 7/1486 (2013.01); B05B 12/04 (2013.01); B05B 12/12 (2013.01)

Designated contracting state (EPC)

BE DE ES FR GB IT LU PT

EPO simple patent family

EP 0704249 A1 19960403; EP 0704249 B1 20000126; DE 69514743 D1 20000302; DE 69514743 T2 20000727; ES 2144111 T3 20000601; FR 2724853 A1 19960329; FR 2724853 B1 19961220; JP H08169728 A 19960702; PT 704249 E 20000731; US 5795388 A 19980818

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