Global Patent Index - EP 0950469 A3

EP 0950469 A3 2000-03-08 - Blast valve

Title (en)

Blast valve

Title (de)

Sandstrahlventil

Title (fr)

Soupape pour jet abrasif

Publication

EP 0950469 A3 (EN)

Application

EP 99850061 A

Priority

SE 9801316 A

Abstract (en)

[origin: EP0950469A2] Blast valve comprising a first disc (10), non-pivotally arranged in a cylindrical housing (2) and having an off-centrally positioned through hole (11), a second disc (12) arranged in contact with the first disc (10) and having a correspondingly positioned through hole (13), the second disc (12) being pivotally arranged in the housing (2) and attached to one end of a spindle (14) extending through the wall of the housing (2), the housing (2) having an inlet (13) for blast powder and an outlet (4) for connection to an air conduit (6), the inlet (3) and outlet (4) being in mutual alignment and in alignment with the through holes (11) and (13), respectively, wherein the spindle (14) is connected to a proportionally controlled actuator means (18,18') which actuates the spindle (14) for relative rotation of the discs (10;12), said actuator means (18,18') being remotely controlled electrically by a control means (22) for the continuous adjustment of the blending ratio of air and blast powder. <IMAGE>

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

B24C 7/00

IPC 8 full level (invention and additional information)

B24C 7/00 (2006.01)

CPC (invention and additional information)

B24C 7/0053 (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 0950469 A2 19991020; EP 0950469 A3 20000308; SE 9801316 D0 19980416; SE 9801316 L 19991017

INPADOC legal status


2001-08-08 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20000912

2000-11-15 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE DK FI FR GB

2000-03-08 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-03-08 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

1999-10-20 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): DE DK FI FR GB

1999-10-20 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI