Abstract: A method and a device for intimately mixing two or more liquid or paste-like components inside a flexible plastic package (2). A squeezing roller (3) causes the components to be fed forward step by step between different compartments in the package, whereupon the discharge from one compartment to the next occurs suddenly and explosively, so that intimate and effective mixing of the components (A,B) is achieved.

Abstract: A prefabricated expansion joint element for forming a surface joint between two concrete construction parts (1,2). The joint element has a central, resilient member (4) and anchoring members (5,6) connected to each side thereof. According to the invention the anchoring members are formed by profile elements (5,6) of epoxy plastic with at least one reinforcing layer (7) cast thereinto, said layer also extending through the intermediate resilient member. The external surface of the central resilient member (4) is connected to and aligned with the external surface of the profile elements (5,6). The profile elements (5,6) are securably by adhesion directly onto the edge portions of the concrete construction parts (1,2), so as to provide easy mounting, long life and resistance to severe climatic conditions and heavy loads.