Abstract: A fire-proofing protective covering for an elongate structure such as a hose, an electrical or optical cable, or pneumatic or hydraulic ducting, comprises: a first plurality of layers made of an inorganic material having a structure which is suitable for imprisoning air while still allowing the operation of the elongate structure to be maintained at relatively high temperatures, of the order of at least 850.degree. C., and for a given length of time, of the order of at least several minutes, and a second plurality of layers, with each of the layers being disposed alternately relative to each of the layers of the first plurality so that the layers of the first plurality are on the inside while the layers of the second plurality are made of a material which substantially constitutes a barrier for the air imprisoned in the corresponding layer of the first plurality. The invention is applicable to the opto-electrical industry, to the hydraulic industry, etc. . . . for protecting ducting from fire.

Abstract: The present invention relates to a glove, finger stall or the like comprised of a latex or other elastomeric material containing microcapsules. The glove or finger stall is characterized in that the concentration of microcapsules increases progressively from the outer surface, where the concentration equals 0, towards the inner surface of the glove contacting the skin of the user, where the concentration equals 90 to 95% of the microcapsules present.

Abstract: Such a mount comprises a set of thin parallel and spaced plates, of flexible material, extending generally transversely to the vertical direction, the ends of these plates being supported on the one hand on a first armature, fastened to the structure of the vehicle, on the other hand, on a second armature fastened to the engine, through superposed blocks of elastic material, intercalated sandwich-style in said ends of the plates, these blocks embedding the ends of the plates without rigid fastening with the respective armatures. In this way, a great vertical flexibility and a high stiffness in the horizontal directions is obtained.

Abstract: An assembly device for a heat exchanger and tubular connector assembly, in which the tubular connector opens out into an opening in a tank of the heat exchanger and is fixed firstly to a flexible hose by a permanent connection and secondly to the tank via an easily disassembled resilient connection, with sealing between the tubular connector and the tank being provided by an elastomer ring which is radially compressed therebetween. The tubular connector and the tank are in alignment along an assembly axis and they constitute two parts to be assembled by snap fastening at least one axially-directed tab carried on one of the two parts. The tab is radially resilient and is provided with a snap-fastening catch which engages axial abutment means carried by the other one of the two parts. The tab has an expansion spring configuration whose resilient reaction acts radially in the direction tending to maintain the tab pressed against the abutment means when the said two parts are in the assembled position.

Abstract: The invention relates to a method of marking the surface of articles, more particularly but not exclusively with a view to obtaining distinctive signs on non-plane surfaces such as the surface of balls.

Abstract: A tire mounting device utilizing a locking sleeve wherein the sleeve has an inner diameter substantially equal to the outer diameter of the bottom of the rim so as to encircle the rim and a width slightly greater than the internal separation of the tire beads when the latter are applied to the flanges of the rim, the sleeve being provided with a cross channel to permit the passage of an air passage.

Abstract: A suspension device for a mobile self-lift drilling platform, comprising a water-tight chamber deformable under the effect of the load supported by the legs of the platform, this chamber being intended to be filled with a pressurized liquid. The deformability of the chamber is provided by its side wall which is formed by a tubular elastomeric element, with a substantially vertical axis, which element is secured to an inner and an outer tubular coaxial metal guide frames for translationally and rotationally guiding its axial, lateral and angular deformations under the effect of the load as well as of possible accidental shocks.

Abstract: A safety device and a tubeless tire construction comprising a tubeless tire having beads the thickness of which is equal to e and an integral height H and a safety ring supported by a rim having a width equal to L. The dimensional relationships between the safety device and the tubeless tire are calculated so that:the width L' at the top of the safety ring is such that:L-3e.ltoreq.L'.ltoreq.L-e,andthe height H' of the safety device is such that: ##EQU1## the rigidity R of the safety ring is such that:750 Kg/cm.ltoreq.R.ltoreq.1050 Kg/cm,and the weight of the safety ring, expressed as a percentage of the weight of the tire, and its SHORE A hardness correspond so that, when the latter is between 70 and 80, the weight is between 60% and 70% of the weight of the tire.

Abstract: The present invention relates to improvements made to heat insulating means for piping subjected to high thermal, hydrostatic and mechanical stresses.The new insulating means comprises a plurality of sectors or layers made from a lacunal insulating material enclosing air, which sectors or layers are bonded together by sheets or layers of elastomer, and having undergone curing at a temperature less than or equal to 120.degree. C.

Abstract: A tire mounting device utilizing a locking sleeve wherein the sleeve has an inner diameter substantially equal to the outer diameter of the bottom of the rim so as to encircle the rim and a width slightly greater than the internal separation of the tire beads when the latter are applied to the flanges of the rim, the sleeve being provided with a cross channel to permit the passage of an air passage.