The present invention relates, e. One or more protrusions and one or more depressions are formed on the contact surface of the pressure-sensitive adhesive section. The superstructure is structurally independent of the deposition chamber wall and may be housed within the chamber or externally, extending from an external position to or through the wall of the deposition chamber. The drive device includes a pedal mounted thereon for driving the axle with the separating trough when being stepped. A molten material is poured into the mold, and an excess amount of the molten material is retained in the funnel means after the mold is filled.