EP 4192676 A1 20230614 - MACHINE AND METHOD TO MAKE TUBULAR PRODUCTS
Title (en)
MACHINE AND METHOD TO MAKE TUBULAR PRODUCTS
Title (de)
MASCHINE UND VERFAHREN ZUR HERSTELLUNG VON ROHRFÖRMIGEN PRODUKTEN
Title (fr)
MACHINE ET PROCÉDÉ DESTINÉS À FABRIQUER DES PRODUITS TUBULAIRES
Publication
Application
Priority
- IT 202000019141 A 20200804
- IT 2021050245 W 20210803
Abstract (en)
[origin: WO2022029817A1] Machine (100) to make tubular products (A), preferably straws, using one or more strip-shaped elements (B), preferably made of paper or its derivatives or suchlike, comprising delivery means (20) configured to selectively deliver on at least one surface of at least one of said strip- shaped elements (B) an adhesive substance (S) containing at least a liquid solvent, and forming means (16) configured to form the tubular product (A) by winding said one or more strip- shaped elements (B) in a helical manner and simultaneously gluing them, by means of the adhesive substance (S), and also comprising an evaporation apparatus provided with heating members (30) configured to selectively remove, by evaporation, at least a part of the liquid solvent contained in the adhesive substance (S) present on the strip-shaped elements (B).
IPC 8 full level
CPC (source: EP)
B31C 3/00 (2013.01); B31D 5/0095 (2013.01); B31F 5/04 (2013.01)
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022029817 A1 20220210; EP 4192676 A1 20230614; EP 4192676 B1 20240925
DOCDB simple family (application)
IT 2021050245 W 20210803; EP 21759173 A 20210803