EP 4032449 A1 20220727 - ROLL OF PAPER MATERIAL, PROCESS FOR THE PRODUCTION OF ROLL OF PAPER MATERIAL AND TUBULAR CORE FOR PAPER MATERIAL
Title (en)
ROLL OF PAPER MATERIAL, PROCESS FOR THE PRODUCTION OF ROLL OF PAPER MATERIAL AND TUBULAR CORE FOR PAPER MATERIAL
Title (de)
ROLLE AUS PAPIERMATERIAL, HERSTELLUNGSVERFAHREN FÜR ROLLE AUS PAPIERMATERIAL, UND RÖHRENFÖRMIGEN KERN FÜR PAPIERMATERIAL
Title (fr)
ROULEAU DE MATÉRIEL DE PAPIER, PROCÉDÉ DE FABRICATION DE ROULEAU DE MATÉRIEL DE PAPIER, ET NOYAU TUBULAIRE POUR MATÉRIEL DE PAPIER
Publication
Application
Priority
IT 202100001217 A 20210122
Abstract (en)
A roll (R) of paper material (1) comprising a tubular core (2), of circular or substantially circular cross section, having two opposed ends (3,4), whose terminal edges (5,7) define respective openings (6,8) of said tubular core (2), and at least one tape of paper material (9) wound on said tubular core (2). At least one of said openings (6,8) of said tubular core (2) comprising a circular, or substantially circular portion (10), and at least one peripheral, substantially radial portion (11), arranged externally to said circular portion (10).
IPC 8 full level
A47K 10/16 (2006.01); A47K 10/36 (2006.01)
CPC (source: EP)
A47K 10/16 (2013.01); A47K 10/3662 (2013.01)
Citation (applicant)
- IT 2009901695791 A
- US 2380644 A 19450731 - GRONDONA CHARLES A
Citation (search report)
- [XA] US 2693321 A 19541102 - BIRR RUDOLPH G
- [A] US 5829713 A 19981103 - KEWIN DANIEL D [CA]
- [AD] US 2380644 A 19450731 - GRONDONA CHARLES A
- [AD] IT FI20090009 A1 20100722 - DELICARTA SPA
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 4032449 A1 20220727; EP 4032449 B1 20240228; IT 202100001217 A1 20220722
DOCDB simple family (application)
EP 22152796 A 20220121; IT 202100001217 A 20210122