Abstract: An inflatable boat (1) formed in particular from flexible inflatable tubes (2) which have, substantially at the ends of same, relatively rigid tensioning members (3, 3a), such as rings, holding the walls of the tubes apart in the same shape as when the tube is inflated. The boat also has, in the walls of the floats of said boat, openings that are hermetically closable and of much larger dimensions than inflating valves.

Abstract: The invention relates to a shoe comprising a part (1) for retaining the sole (3) under the foot (2), said part being rigid and bent, and the upper portion (11) of which extends over the top of the foot (2), the central portion (12) of which passes between the toes, and the lower portion (13) of which is attached to the sole (3), characterized in that the retaining part consists of at least two elements which can slide relative to one another and be retained in the selected position, one of the elements comprising the upper portion (11) and the other element comprising the lower portion (13).

Abstract: The invention relates to a shoe characterised in that it comprises a bent, relatively rigid holding piece (1) having an upper part (11) which comes over the top of the foot (2), a central part (12) connecting the upper part (11) to the sole (3), and a lower part (13) fixed in the sole (3), the rigidity of the holding part (1) being sufficient to hold the sole (3) beneath the foot (2) when the foot is raised, with only one fixing point on the sole (3).

Abstract: A quick-fit system of a shoe on a snowboard where the hell-piece also serves as locking detents and unlocking cam for the system maintaining the shoe in its fixing element. The heel-piece is divided in its lower part into two branches each interlocked to a wing of the base by a pin. The lower part of the branches are urged to be housed in a notch with matching shape, located on the shoe or heel support linked thereto.