"Instead of a hot melt adhesive or hot glue 14, which is known in the tobacco processing industry or in the packaging industry for tobacco products, other materials can also be used such as polypropylene, polyethylene, cellulose acetate, propylene carbonate, or polycarbonates based on bisphenol A carboxylic acid esters, nylon, and biodegradable polymers made from mixtures with starch." . . . .