Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stora Enso Oyj
Original Assignee
Stora Kopparbergs Bergslags AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stora Kopparbergs Bergslags ABfiledCriticalStora Kopparbergs Bergslags AB
Priority to FR977326ApriorityCriticalpatent/FR1397833A/fr
Application grantedgrantedCritical
Publication of FR1397833ApublicationCriticalpatent/FR1397833A/fr
D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
D21B1/00—Fibrous raw materials or their mechanical treatment
D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
Landscapes
Engineering & Computer Science
(AREA)
Life Sciences & Earth Sciences
(AREA)
Wood Science & Technology
(AREA)
Mechanical Engineering
(AREA)
FR977326A1964-06-051964-06-05Procédé pour la production de pâte à papier par le raffinage de copeaux de bois
ExpiredFR1397833A
(fr)