Global Patent Index - EP 0988450 A1

EP 0988450 A1 2000-03-29 - TWO-CYLINDER THICK MATTER PUMP

Title (en)

TWO-CYLINDER THICK MATTER PUMP

Title (de)

ZWEIZYLINDERDICKSTOFFPUMPE

Title (fr)

POMPE A LIQUIDES EPAIS COMPORTANT DEUX CYLINDRES

Publication

EP 0988450 A1 (DE)

Application

EP 98933598 A

Priority

  • DE 19724504 A
  • EP 9803459 W

Abstract (en)

[origin: DE19724504A1] The invention relates to a two-cylinder thick matter pump (1) comprising: a filling tank (2) for receiving thick matter; an agitator whose shaft (11) is placed in the filling tank (2), and a pivoting sleeve valve (16) fitted in the filling tank (2) which regulates the alternating intake and delivery strokes of the delivery cylinder. This pump also has an entry branch and an exit branch (15) pivotingly connected with the delivery piping (19). In accordance with the invention, the entry openings (46, 45) of the delivery cylinders (34, 35) are positioned behind the back wall (5) of the filling tank, and the exit branch (15) is positioned between the agitator shaft (11) and the back wall (5).

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

F04B 15/02

IPC 8 full level (invention and additional information)

F04B 7/00 (2006.01); F04B 15/02 (2006.01)

CPC (invention and additional information)

F04B 15/023 (2013.01); F04B 7/0023 (2013.01)

Citation (search report)

See references of WO 9857063A1

Designated contracting state (EPC)

AT DE ES FR GB GR IT

EPO simple patent family

DE 19724504 A1 19981217; AT 224008 T 20020915; AU 729302 B2 20010201; AU 8336498 A 19981230; BR 9810111 A 20020521; CA 2293748 A1 19981217; CA 2293748 C 20070724; CN 1104559 C 20030402; CN 1260029 A 20000712; EP 0988450 A1 20000329; EP 0988450 B1 20020911; ES 2183392 T3 20030316; HK 1023388 A1 20030207; JP 2002511125 A 20020409; JP 4041169 B2 20080130; RU 2179262 C2 20020210; TR 9903049 T2 20000321; US 6206662 B1 20010327; WO 9857063 A1 19981217

INPADOC legal status


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2003-09-03 [26N] NO OPPOSITION FILED

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2003-03-16 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2183392 T3

2002-12-19 [REG GR EP] EP PATENT VALIDATED IN GREECE

- Document: GR 20020403929

2002-12-06 [ET] FR: TRANSLATION FILED

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- Effective date: 20021015

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- Document: DE 59805521 20021017

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- Document: AT 224008 T 20020915

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