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 E R T Etablissement De Rech SfiledCriticalE R T Etablissement De Rech S
Application grantedgrantedCritical
Publication of AT272912BpublicationCriticalpatent/AT272912B/de
A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
A24D3/02—Manufacture of tobacco smoke filters
A24D3/0229—Filter rod forming processes
A24D3/0237—Filter rod forming processes by extrusion
AT756565A1965-01-111965-08-17Verfahren zur Herstellung von Filterstöpseln für Tabakwaren
AT272912B
(de)