A method for fixing a tail end of a toilet paper roll and the toilet paper roll therefrom. The end of the toilet paper roll is not adhered with glue, but the circumference of the toilet paper roll is wrapped by a paper sheet except the toilet paper roll. The head and the tail ends of the paper sheet are not adhered with glue, but joined together in a mechanical combination way, so that the tail end of the toilet paper roll is hooped onto the paper roll by the paper sheet. In this way, there is no need to apply a pressure or any other treatments between the tail end and the external layer of the paper roll when fixing the tail end of the paper roll, the damage of the external layer of the paper roll is avoided, and the quality of the finished paper roll is improved.

An apparatus for securing the tail end of a spirally wound roll of nonwoven, polymer-based material to the roll to preclude unintended unwinding of the roll, the apparatus comprising a winding assembly for forming about a winding axis a spirally wound roll with a tail end, a fixture for a roll tacking assembly with an ultrasonic tool oscillating on an oscillating axis, and a fixture for moving the tool into momentary tangential contact with an outermost winding layer of the roll in a manner that orients the oscillating axis orthogonally to the winding axis. The apparatus implements a method of locating the tail end of the spirally wound roll and orienting the tail end in relation to the securing tool.