Semi-finished products for the production of hollow profiles, hollow profiles, from it and a method for the production thereof.

摘要

The present invention relates to a semifinished product (1) for the production of a hollow profile (7), wherein the semi-finished product (1) has a width greater than the circumference of the hollow profile (7), comprising a metal substrate (2), which has a first connection area (3) and a second connection area (4, 4 '') which, when the production of the hollow profile (7) are brought into contact with one another, characterized in that the first and / or second connection area (3, 4, 4'') with a thermoplastic coupling layer (5, 5 '') is coated. As well as a hollow profile made from this semi-finished product, and a method for the manufacture of such a hollow profile.