Salomon S.a.

Jean-Mary Cazaillon

Bernard Chatellard

Gilles Recher

Pierre Szafranski

Maurice Legrand

A ski formed by injecting foam within a tubular compartment constituted by a deformable and stretchable membrane made of polyurethane or copolyamide or ABS. During expansion the foam deforms the membrane and presses the elements against the peripheral walls of the ski maintained in the mold.

Ski structure formed by injection process

A ski, such as an alpine ski, a cross-country ski, a jumping ski, a monoski or a snowboard, e.g., having attached thereto an element, such as a slide plate of a safety binding, with a layer of thermofusible material. The attachment of the element to the ski, such as the attachment of the binding plate to the upper surface of the ski, is accomplished, e.g., by vibrational welding, to provide a secure connection between the slide plate, e.g., and the ski, and to provide a connection that enables a superior flexion characteristic of the ski in the area of the slide plate, without the use of screws that penetrate the structure of the ski.

Sliding apparatus, such as a ski, and an element attached thereto

A ski having a composite structure. The ski includes a first element, a second element, an injected core positioned between the first element and the second element, with a polymer film positioned between the injected core and at least one of the first element and the second element, which is in contact with the film through a reinforcement component. The ski is produced by a process of providing on the internal surface of the first and/or second elements a solid compatibilizer film. The film forms an interface between an injected foam and the first and/or second elements to promote adherence.

A ski and a process of forming a ski, including injecting foam within a tubular compartment constituted by a deformable and stretchable membrane made of polyurethane or copolyamide or ABS. During expansion the foam deforms the membrane and presses the elements against the peripheral walls of the ski maintained in the mold.

Process of forming a ski by injection

Process of providing on the internal surface of the first and/or second elements of a ski a solid compatibilizer film made of polyurethane or acrylonitrile butadiene styrene or copolyamide. The film forms an interface between foam injected into the internal space of the first and second elements of the ski to promote adherence.

Process of manufacturing an injected ski

A process of assembling a ski and a ski structure assembled according to the process. The ski includes a plurality of subassemblies which are attached by applying a thermoplastic material to each of the subassemblies; placing the thermoplastic surfaces of adjacent subassemblies together; heating the thermoplastic junction or junctions; and cooling the thermoplastic junction or junctions to thereby effect a weld. The process of assembling the ski permits the shape of the ski to be modified or at least one of the subassemblies to be removed and replaced by subsequent heating of at least the thermoplastic junctions. The use of glue to attach the subassemblies together is avoided to obtain the reversibility of the assembly of the subassemblies.

Growing community of inventors

Cran Gevrier, France

Jean-Mary Cazaillon