Abstract: A package of foam sealing strip of delayed rebound and of foam held in compressed state by the wall of the package. The wall of the package is formed of two flexurally rigid panels which protrude on both sides of the sealing strip and are held together by a plurality of hoops arranged spaced apart from each other.

Abstract: The flap for ventilation ducts, particularly for automobile air-conditioning systems, includes a flap member having opposite surfaces with a predetermined number of openings therein, a longitudinal bottom edge, opposite side edges and an upper edge. A pocket-shaped covering of foam material on the flap member is arranged in two layers which are folded around the longitudinal edge of the flap member onto the opposite surfaces of the foam material including foam sections extending beyond the opposite side edges and the upper edge of the flap member. The layers have a bond-activated foil covering which faces the perforated wide surfaces of the flap, the foil covering connecting the foam-material sections extending beyond the opposite side edges and the upper edge of the flap members. The band activated foil covering further connects the portions of foam-material lying opposite each other at the perforations in the flap member.

Abstract: A strip of impregnated and compressed foam material with delayed restoration which is rolled up into a roll, preferably for purposes of sealing, and particularly for improved sealing, the broad side of the roll is provided with a liquid-impermeable layer which adheres to the flank sides of the strip and which is expandable corresponding to the amount of restoration and has a spiral-shaped separation line corresponding to the winding joint of the s

Abstract: A method of deep drawing of foam material mold parts made of flat foamed plates, by which the plate which is clamped in a frame is heated on both sides and is sucked against the upper side of a core piece which moves into the plane of the frame, the upper side corresponding to the profile of the mold. The suction takes place with an intermediate placement of a foil, the latter being adhesive material--repelling at least on its interior side. The foil is fastened to the foam material plate by means of a self-adhesive layer.