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.)
Valmet AB
Original Assignee
Defibrator 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 Defibrator ABfiledCriticalDefibrator AB
Application grantedgrantedCritical
Publication of FR1378710ApublicationCriticalpatent/FR1378710A/fr
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C7/00—Digesters
FR959322A1963-01-081964-01-03Appareil destiné à être utilisé pour la fabrication d'une pâte à partir d'une matière contenant de la lignocellulose
ExpiredFR1378710A
(fr)
Dispositif pour réunir entre elles des bandes continues de papier ou de matière analogue, circulant à travers une machine alimentée à partir d'une bobine