The apparatus for combining tobacco sheets (3, 4) comprises a first shaft for carrying a first bobbin (30) of tobacco sheet (3) and a second shaft for carrying a second bobbin (40) of tobacco sheet (4). The apparatus also comprises a splicing unit (2) for combining an end portion of tobacco sheet from the first bobbin (30) to a head portion of tobacco sheet from the second bobbin. The splicing unit comprises a cutting device (20) for cutting the tobacco sheets such as to provide complementary cuts to the tobacco sheets (3) from the first bobbin and from the second bobbin (4), a dispensing device (23) for dispensing water to at least one of the tobacco sheets (3, 4), and a combining device (24) for applying force onto the tobacco sheets thereby producing a spliced tobacco sheet.

The present invention relates to a web film movement compensating device for a web film movement compensation between continuous forward movement section and intermittent forward movement section comprising two guide rollers (1, 2) rotating freely in stationary positions between a continuous driving device (5) and an intermittent driving device (6), two compensation rollers (3, 4) rotating freely on two respective pivoting arms (7, 8) oscillating about pivot shafts (11, 12), an elastic element (9) connected to one of the pivoting arms to actuate the corresponding compensation roller to move away from the guide rollers, and a movement transmission mechanism including lever arms and transmission rods (13, 14, 15) transmitting an oscillating movement from one of the pivoting arms (7, 8) to the other. A web film (50) moved by the driving devices is supported on the guide rollers (1, 2) and on the compensation rollers (3, 4) forming a meander.

The present invention relates to a web film movement compensating device for a web film movement compensation between continuous forward movement section and intermittent forward movement section comprising two guide rollers (1, 2) rotating freely in stationary positions between a continuous driving device (5) and an intermittent driving device (6), two compensation rollers (3, 4) rotating freely on two respective pivoting arms (7, 8) oscillating about pivot shafts (11, 12), an elastic element (9) connected to one of the pivoting arms to actuate the corresponding compensation roller to move away from the guide rollers, and a movement transmission mechanism including lever arms and transmission rods (13, 14, 15) transmitting an oscillating movement from one of the pivoting arms (7, 8) to the other. A web film (50) moved by the driving devices is supported on the guide rollers (1, 2) and on the compensation rollers (3, 4) forming a meander.

The apparatus for combining tobacco sheets comprises a first shaft for carrying a first bobbin of tobacco sheet and a second shaft for carrying a second bobbin of tobacco sheet. The apparatus also comprises a splicing unit for combining an end portion of tobacco sheet from the first bobbin to a head portion of tobacco sheet from the second bobbin. The splicing unit comprises a cutting device for cutting the tobacco sheets such as to provide complementary cuts to the tobacco sheets from the first bobbin and from the second bobbin, a dispensing device for dispensing water to at least one of the tobacco sheets, and a combining device for applying force onto the tobacco sheets thereby producing a spliced tobacco sheet.

The apparatus for combining tobacco sheets comprises a first shaft for carrying a first bobbin of tobacco sheet and a second shaft for carrying a second bobbin of tobacco sheet. The apparatus also comprises a splicing unit for combining an end portion of tobacco sheet from the first bobbin to a head portion of tobacco sheet from the second bobbin. The splicing unit comprises a cutting device for cutting the tobacco sheets such as to provide complementary cuts to the tobacco sheets from the first bobbin and from the second bobbin, a dispensing device for dispensing water to at least one of the tobacco sheets, and a combining device for applying force onto the tobacco sheets thereby producing a spliced tobacco sheet.