US 11,987,461 B2
Device and method for splicing and continuously providing a film web
Andreas Thienst, Allmersbach im Tal (DE); and Tim Walker, Allmersbach im Tal (DE)
Assigned to Harro Hoefliger Verpackungsmaschinen GmbH, Allmersbach im Tal (DE)
Filed by Harro Hoefliger Verpackungsmaschinen GmbH, Allmersbach im Tal (DE)
Filed on Aug. 31, 2021, as Appl. No. 17/462,810.
Claims priority of application No. 20196066 (EP), filed on Sep. 14, 2020.
Prior Publication US 2022/0081245 A1, Mar. 17, 2022
Int. Cl. B29C 65/00 (2006.01); B65H 19/18 (2006.01); B65H 19/20 (2006.01); B29C 65/22 (2006.01); B29C 65/74 (2006.01); B29C 65/78 (2006.01)
CPC B65H 19/1852 (2013.01) [B65H 19/20 (2013.01); B29C 65/22 (2013.01); B29C 65/74 (2013.01); B29C 65/7433 (2013.01); B29C 65/7453 (2013.01); B29C 65/7894 (2013.01); B65H 2301/20 (2013.01); B65H 2406/35 (2013.01); B65H 2408/22 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A device for splicing and continuously providing an outgoing film web, the device comprising:
a first film supply for feeding in a first incoming film web;
a second film supply for feeding in a second incoming film web;
a splicing unit configured to splice the first incoming film web or the second incoming film web to the outgoing film web;
a clamping unit;
an intermediate film storage for the outgoing film web, wherein said intermediate film storage is downstream of said clamping unit;
said splicing unit including a first sealing jaw with a first holding device for the outgoing film web;
said splicing unit further including a first cutting device configured to sever the outgoing film web in a region of said first sealing jaw;
said splicing unit further including a second sealing jaw with a second holding device alternately for said first incoming film web or said second incoming film web;
said splicing unit including a second cutting device configured to sever said first or said second incoming film web;
said first cutting device defining a first region of action;
said second cutting device defining a second region of action; and,
said first sealing jaw with said first holding device and said second sealing jaw with said second holding device being configured to be displaceable relative to one another out of corresponding ones of said first region of action of said first cutting device and said second region of action of said second cutting device into a mutual region of action.