Patent · US Expired

Method and device for the continuous cooking of pulp

US6159336A · kind A · utility

8Cited by

9References

20Claims

0Family size

Assignee

Kvaerner Pulping AB · SE

Inventors

Johan Engstrom · Handen, SE
Vidar Snekkenes · Karlstad, SE
Krister Olsson · Karlstad, SE
Mikael Lindstrom · Lidingö, SE
Christofer Lindgren · Stockholm, SE
Soren Gustavsson · Karlstad, SE

Key dates

Filing date	Oct 29, 1997
Grant date	Dec 12, 2000
Priority date	—
Expiry date	Oct 29, 2017

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21C7/14
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

This invention relates to a new and improved way of continuously cooking fiber material, wherein temperatures and alkaline levels are controlled to be maintained within specific levels in different zones of the digesting process in order to optimize chemical consumption and heat-economy, and, at the same time, achieving very good pulp properties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.