PURPOSE: To place a paste tub in the main body of a pasting machine and to take the tub out of the main body without damaging the main body and tub by forming the contact part between the tub and the main body with a wear-resistant plastics.

CONSTITUTION: A stopper-provided paste tub sliding plate 103a furnished on the front side of the lower structure 3 of a wallpaper pasting machine and a paste tub holder 106a fixed to the bottom of a paste tub 6 and opposed to the sliding plate 103a when the tub 6 is placed in the lower structure 3 are formed respectively with a wear-resistant plastics. Consequently, the tub is placed in the main body or taken out of the main body without damaging the main body and tub.