Process for the manufacture of a complex moulded structure, and especially of a ski

Abstract

Process for the manufacture of a complex moulded structure, constituted by a foam core (16) made from plastic and on its periphery by two, respectively upper (11, 12) and lower (6, 8, 9), half-shells, includes the following steps: depositing in a mould (1, 2) a first element (6, 7, 8, 9) intended to form the lower half-shell, depositing on this first element (6, 8, 9) a deformable tubular element (13, 14, 17); depositing on top of this deformable tubular element (14) a second element (11, 12) intended to form the upper half-shell, closing the mould, injecting into the deformable tubular element (13, 14, 17) reactants intended to react in order to form a foam which expands in situ until pressing the element (11, 12) against the walls (3, 4, 10) of the mould, cooling the contents of the mould, and finally opening the mould in order to withdraw the complex moulded structure thus obtained, characterized in that at least the upper portion of the deformable tubular element (14) is rigid.

Dependencies are inferred from the claim text.