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.)
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 filedfiledCritical
Application grantedgrantedCritical
Publication of FR564436ApublicationCriticalpatent/FR564436A/fr
D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
D21G9/00—Other accessories for paper-making machines
FR564436D1922-05-181923-03-28Appareil pour l'utilisation des feutres montants des machines à papier, jusqu'à usure complète, sans les enlever
ExpiredFR564436A
(fr)
Perfectionnements aux dispositifs pour extraire l'humidité de la pâte à papier, du papier mouillé, du carton ou toutes autres matières employées dans les machines à fabriquer le papier