Method and apparatus for the manufacture of plastic moldings from a flowable reaction mixture

The production of plastic moldings from a flowable reaction mixture, in particular attaching shoe soles to shoe uppers can be simplified thereby and speed with less waste by the shot, in a mixing head (7) prepared reaction mixture via a discharge pipe in guided past it dies (9) is introduced, with mixing chamber and outlet pipe (8) are kept filled by a sealing member during the waiting times between two shots, and wherein the starting time of reaction of the reaction mixture used corresponds at most to the waiting time between the end of a shot and the beginning of the next shot such that the remaining reaction mixture is used respectively for the preparation of the next molding.