Global Patent Index - EP 0475669 B1

EP 0475669 B1 19951129 - A mass tower and apparatus for the discharge thereof.

Title (en)

A mass tower and apparatus for the discharge thereof.

Title (de)

Massenturm und Vorrichtung zum dessen Ablassen.

Title (fr)

Tour de masse et appareil pour la vider.

Publication

EP 0475669 B1 19951129 (EN)

Application

EP 91308097 A 19910904

Priority

FI 904374 A 19900905

Abstract (en)

[origin: EP0475669A2] The present invention relates to an apparatus for the discharge of a mass tower as used in the pulp and paper industry, which tower is, in use, filled with medium or high consistency pulp. The invention is characterized in that a separate pump (34) is attached to the tower (10) and communicates with the inside of the tower (10) via a suction duct (32, 42) extending to the zone of moving pulp. <IMAGE>

IPC 1-7

D21C 9/00; D21D 5/28

IPC 8 full level

D21C 7/08 (2006.01)

CPC (source: EP)

D21C 7/08 (2013.01)

Citation (examination)

Ahlströms Massabok, 1981, Söderströms Konsultbyra AB, Norrköping, Sweden, pages 3, 32, 33.

Designated contracting state (EPC)

AT DE ES FR GB SE

DOCDB simple family (publication)

EP 0475669 A2 19920318; EP 0475669 A3 19930120; EP 0475669 B1 19951129; AT E130887 T1 19951215; DE 69114965 D1 19960111; DE 69114965 T2 19960418; ES 2082147 T3 19960316; FI 85392 B 19911231; FI 85392 C 19920410; FI 904374 A0 19900905; FI 904374 A 19911231

DOCDB simple family (application)

EP 91308097 A 19910904; AT 91308097 T 19910904; DE 69114965 T 19910904; ES 91308097 T 19910904; FI 904374 A 19900905