Global Patent Index - EP 0909592 A3

EP 0909592 A3 2000-07-05 - Method for the electrostatic surface discharge and dedusting of workpieces and device for carrying out the method

Title (en)

Method for the electrostatic surface discharge and dedusting of workpieces and device for carrying out the method

Title (de)

Verfahren zur elektrostatischen Oberflächenentladung und Entstaubung von Werkstücken und Vorrichtung zur Durchführung des Verfahrens

Title (fr)

Procédé pour la décharge superficielle électrostatique et le dépoussiérage de pièces et dispositif pour mettre en oeuvre le procédé

Publication

EP 0909592 A3 (DE)

Application

EP 98119515 A

Priority

DE 19746028 A

Abstract (en)

[origin: EP0909592A2] Positive and negative ions are generated by rod (39) and passed to workpiece surface. Dust particles (43) are detached from the surface by brush (17) in chamber (5) and are exhausted into suction channel (7). Positive pressure is produced by air stream (23) from at least one nozzle (21) directed into brush chamber in forward position. Second rod (27) produces positive and negative ions, which are passed on to the cleaned workpiece surface and at least part of the brush. A claim is also made for an appliance to carry out the method.

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

B08B 6/00

IPC 8 full level (invention and additional information)

B08B 1/02 (2006.01); B08B 6/00 (2006.01); B41F 23/00 (2006.01)

CPC (invention and additional information)

B41F 23/002 (2013.01); B08B 1/02 (2013.01); B08B 6/00 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0909592 A2 19990421; EP 0909592 A3 20000705; EP 0909592 B1 20030102; AT 230313 T 20030115; DE 19746028 A1 19990429; DE 19746028 C2 20000427

INPADOC legal status


2004-06-15 [REG CH PL] PATENT CEASED

2004-05-01 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2004-04-30 [BERE] BE: LAPSED

- Owner name: *KIST PETER

- Effective date: 20031031

2004-01-02 [26N] NO OPPOSITION FILED

- Effective date: 20031003

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2002-06-26 [17Q] FIRST EXAMINATION REPORT

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