EP 1020390 A3 20011219 - Feeding calender in welding machines for plastic materials
Title (en)
Feeding calender in welding machines for plastic materials
Title (de)
Zuführkalander in Schweissmaschinen für plastisches Material
Title (fr)
Calandre d'alimentation dans des machines à souder pour matériau plastique
Publication
Application
Priority
IT MI990031 A 19990112
Abstract (en)
[origin: EP1020390A2] An instantaneously controlled feeding calender in welding machines for plastic materials, comprising an upper feeding cylinder (12) and a lower feeding cylinder (13) superimposed on each other and mounted on parallel axles, between which a plastic or thermoplastic film (14) is fed so as to form a bag or similar, a welding group downstream of the cylinders (12, 13) comprising an upper welding arm (15) and a lower welding arm (16), and a collecting area (18, 20, 21, 22) for finished bags (19), where each cylinder (12, 13) is equipped with an independent motor (27, 28). <IMAGE>
IPC 1-7
IPC 8 full level
B31B 19/10 (2006.01); B65H 20/02 (2006.01)
CPC (source: EP)
B65H 20/02 (2013.01); B31B 70/10 (2017.07)
Citation (search report)
- [A] US 5358592 A 19941025 - FUKUYAMA YOSHIAKI [JP]
- [A] DE 3138540 A1 19830414 - ROLAND MAN DRUCKMASCH [DE]
- [A] US 2971416 A 19610214 - VON STOESER WALTER
- [A] US 3902954 A 19750902 - LOTTO RONALD L
- [A] EP 0759358 A2 19970226 - FMC CORP [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1020390 A2 20000719; EP 1020390 A3 20011219; IT 1306936 B1 20011011; IT MI990031 A1 20000712
DOCDB simple family (application)
EP 99204427 A 19991220; IT MI990031 A 19990112