|
(11) | EP 1 216 818 A3 |
(12) | EUROPEAN PATENT APPLICATION |
|
|
|
|
|||||||||||||||||||||||
(54) | Device and method for ply-bonding tissue products and multi-ply tissue web |
(57) A device for ply-bonding tissue products comprising first conveying means for a first
single/multi-ply tissue web; as well as a roll pairing (22, 30; 22, 28), one roll
of which is an embossing roll (22; 28); and one of the two rolls (22; 28) has spikes
(26) on the shell surface cooperating with a companion roll (30; 28; 22) of high rubber
hardness. The two rolls are adapted in location and length of the spikes (26) so that
the spikes perforate both the first tissue web (14) and the second tissue web (16)
in the nip of the roll pairing. |