Global Patent Index - EP 1069934 A1

EP 1069934 A1 2001-01-24 - PULP FILTER OR WASHER AND SEALING FOR USE THEREIN

Title (en)

PULP FILTER OR WASHER AND SEALING FOR USE THEREIN

Title (de)

FILTER ODER WÄSCHER FÜR PULPE UND DAFÜR VERWENDETE DICHTUNG

Title (fr)

FILTRE OU LAVEUR A PATE ET JOINT UTILISE DANS CEUX-CI

Publication

EP 1069934 A1 (EN)

Application

EP 99907639 A

Priority

  • FI 9900183 W
  • FI 980523 A
  • FI 990182 A

Abstract (en)

[origin: WO9946025A1] The present invention relates to a sealing for use in the sealing of a rotating member the sealing being particularly well suitable for sealing of the large-diameter parts of drums used in large wash and filter cylinders, and shafts, of the wood processing industry. The washer in question comprises a stationary outer shell (10), a wash liquid feed chamber (12) disposed inside the shell, which are defined by a perforated plate (16), and a rotating drum disposed inside said surface (16), the drum having a liquid permeable perforated surface (18) whereby the so-called pulp space (20) is defined between said perforated surface (16, 18), the washer being provided at both of its ends with sealing in order to seal the rotating drum mentioned relative to the stationary outer shell, the sealing being formed by a sealing box (26) and a sealing member disposed therein, and it is a characteristic feature of the washer mentioned that the sealing box (26) has been provided with means (40) for introducing pressure medium, preferably liquid, into the sealing box (26).

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

B01D 33/067

IPC 8 full level (invention and additional information)

F16J 15/32 (2006.01); B01D 33/06 (2006.01); B01D 33/067 (2006.01); D21C 9/06 (2006.01)

IPC 8 main group level (invention and additional information)

B01D (2006.01); D21C (2006.01)

CPC (invention and additional information)

B01D 1/00 (2013.01); B01D 33/06 (2013.01); B01D 33/067 (2013.01); D21C 1/00 (2013.01); D21C 9/06 (2013.01); F16J 15/32 (2013.01)

Citation (search report)

See references of WO 9946025A1

Designated contracting state (EPC)

DE ES FI PT SE

EPO simple patent family

WO 9946025 A1 19990916; CA 2323049 A1 19990916; CN 1302219 A 20010704; EP 1069934 A1 20010124; FI 990182 A0 19990201; FI 990182 A 19990910; JP 2002506143 A 20020226; NO 20004529 A 20001020; NO 20004529 D0 20000911; NZ 506876 A 20030131; PL 342808 A1 20010702

INPADOC legal status


2003-10-22 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030423

2002-11-27 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021010

2002-05-15 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: ANDRITZ OY

2001-01-24 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001002

2001-01-24 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES FI PT SE