Self-propelled fastening unit and method for fastening sealing webs

A method for fastening material webs located on a surface to fastening points arranged beneath the material webs, the fastening points being embodied as metallic head disks including a hot-melt adhesive layer directed toward the material web, the method comprising:

• providing a self-propelled fastening unit;
• (A) detecting a route marking affixed to the material webs or the surface by a first detector on the fastening unit and moving the fastening unit along the route marking;
• (B) detecting a head disk located below the material web by a second detector and determining a position of the head disk;
• (C) the self-propelled fastening unit approaching and remaining at an operating position in order to carry out a fastening process which includes:
• (D) positioning an induction heater of the self-propelled fastening unit and heating up the head disk for a period of time Th;
• (E) removing the induction heater and pressing the material web against the head disk by a cooling device of the fastening unit;
• (F) taking off the cooling device after a predetermined time Tk;
• and
• (G) the self-propelled fastening unit repeating steps (A)-(G), until an end of the route marking is reached.