The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2006
Filed:
Apr. 12, 2001
Multiple cleaning stages with various dilution points and accepts recirculated through a common pipe
Applicants:
Paul O Meinander, Grankulla, FI;
Juha Lahti, Helsinki, FI;
Risto Nykanen, Helsinki, FI;
Inventors:
Assignee:
Pom Technology Oy AB, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21D 5/00 (2006.01); D21D 5/24 (2006.01); D21F 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a process and an arrangement for directing a papermaking pulp towards a regulated outlet (), accept from successive cleaning stages () is totally or partly led towards the outlet () while excess accept is led in the opposite direction to the inlet () of the preceding cleaning stage (). For feeding of a forming wire, a common base pipe () for collecting accept extends between the outlet () and a feeding () for fresh pulp, while reject pipes () lead to the next cleaning stage ().