EP 0839723 A1 19980506 - Device for feeding and cutting film in product packaging machines
Title (en)
Device for feeding and cutting film in product packaging machines
Title (de)
Vorrichtung zum Zuführen und Schneiden von Folien in einer Verpackungsmaschine
Title (fr)
Dispositif d'avancement et de coupe pour film dans une machine d'emballage
Publication
Application
Priority
IT BO960555 A 19961031
Abstract (en)
A device for feeding and cutting film (2) comprises a pair of counter-rotating rollers (9, 10) positioned in proximity of a slot (8), and between which is interposed, in a first tangential contact point (P1), the film (2). The first roller (9) is fitted with a knife (11) radially protruding from the roller itself, while the second roller (10) is fitted with a radial trhoat (12) housing the knife (11) during a cutting rotation, and with a plane facet (13) on its surface which defines a free passage channel for the film (2). Driving means (14) allow the rollers (9, 10) to operate: an arrest in the rotation of the rollers (9, 10) in a waiting configuration wherein the facet (13) is in proximity of the first tangential contact point (P1) so as to allow a quantity of film (2) to unreel towards a transport plane (3) and through the free passage channel; a subsequent activation of the rollers (9, 10) for cutting the film (2) on a free rear edge (2b) so as to obtain a section (S), and a rotation of the rollers (9, 10), for a round angle until they return to the waiting configuration, to feed a subsequent free edge (2a) to the slot (8). Means (15) for holding the film (2) are provided to maintain it in contact with the second roller (10) during the cutting phase. <IMAGE>
IPC 1-7
IPC 8 full level
B26D 1/40 (2006.01); B65B 11/10 (2006.01); B65B 61/08 (2006.01)
CPC (source: EP)
B26D 1/405 (2013.01); B65B 11/10 (2013.01); B65B 61/08 (2013.01)
Citation (search report)
- [A] GB 2255952 A 19921125 - BAUMER SRL [IT]
- [A] EP 0573944 A1 19931215 - GD SPA [IT]
- [DA] EP 0491666 A1 19920624 - DIMAC SPA [IT]
- [A] EP 0707928 A1 19960424 - ASAHI TEKKOSHO KK [JP]
- [A] PATENT ABSTRACTS OF JAPAN vol. 017, no. 358 (M - 1440) 7 July 1993 (1993-07-07)
Designated contracting state (EPC)
DE ES FR GB IT PT
DOCDB simple family (publication)
EP 0839723 A1 19980506; EP 0839723 B1 20030305; DE 69719447 D1 20030410; DE 69719447 T2 20031224; IT 1286741 B1 19980717; IT BO960555 A0 19961031; IT BO960555 A1 19980501
DOCDB simple family (application)
EP 97830541 A 19971023; DE 69719447 T 19971023; IT BO960555 A 19961031