Global Patent Index - EP 0976927 A3

EP 0976927 A3 2000-10-04 - Metering or titrating device, especially burette

Title (en)

Metering or titrating device, especially burette

Title (de)

Dosiergerät oder Titriergerät, insbesondere Bürette

Title (fr)

Dispositif de dosage ou titrage, en particulier une burette

Publication

EP 0976927 A3 (DE)

Application

EP 99110770 A

Priority

  • DE 19833735 A
  • DE 19854479 A

Abstract (en)

[origin: EP0976927A2] The device has a continuous feed pump having several pistons (6,8. The pistons move back and forth using a driving device, preferably an axle (9) in each cylinder (2,3,4). Movement of the pump corresponds to a determined movement of the drive device or rotation of the axle. The pump has a valve control mechanism, preferably a valve plates (22) which acts with the drive or axle. The wave operates the suction pipes (25,26,27) and pressure pipes (28,29,30) of the cylinder.

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

F04B 1/20; F04B 1/14; F04B 1/18

IPC 8 full level (invention and additional information)

F04B 1/20 (2006.01)

CPC (invention and additional information)

F04B 1/205 (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 0976927 A2 20000202; EP 0976927 A3 20001004

INPADOC legal status


2002-01-30 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20010405

2001-06-20 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: CH DE FR GB LI

2000-10-04 [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

2000-10-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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

2000-10-04 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7F 04B 1/20 A, 7F 04B 1/18 B, 7F 04B 1/14 B

2000-02-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): CH DE FR GB LI

2000-02-02 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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