Abstract: This female clip-onconnector (1), which is adapted to cooperate with a male attachment end fitting (20) of the type with a central bush (26) and a flange (25), includes a body (2) forming a cylindrical cavity and a transverse latch housing in front of the opening of the cylindrical cavity forming a housing for a single latch part (50) including two actuating parts (51) connected respectively to two jaws (52), said actuating parts and said jaws acting in a same direction transverse to the axis of the body, and spring means (54) for spring-loading each jaw (52) at all times towards its rest position in which the jaw (52) is close to the axis and in which the actuating part (51) is in its radially outermost position.

Abstract: The invention provides a coupling endpiece engageable by force in a corrugated end of a corrugated tube having corrugations following one another at a predetermined pitch and possessing a minimum inside diameter and a maximum inside diameter. The endpiece is constituted by a tubular body possessing a first zone provided on the outside with at least two annular barbs of the Christmas-tree type that are spaced apart by a distance corresponding to the pitch of the corrugations of the tube and having a maximum diameter greater than the maximum inside diameter of the tube, the first zone presenting between the barbs a minimum diameter greater than the minimum inside diameter of the tube, and the body has a second zone extending immediately behind the barbs to receive at least one end corrugation of the tube and having an outside diameter less than a diameter of a junction zone between two annular barbs. The invention also provides a corrugated tube fitted with such an endpiece.

Abstract: A pipe for transporting automobile fluids includes a smooth inner tube (1) based on a fluorinated thermoplastic material, a corrugated outer tube (2) in contact with the inner tube via the inside peaks (3) of its corrugations, and made of a polyamide-based thermoplastic material, and elements for connecting the outer and inner tubes together.

Abstract: The invention relates to a priming pump comprising an enclosure having an elastically deformable central zone connected to two coupling zones, the enclosure being comprising an outer layer of elastomer material and an inner layer of barrier-forming material against the fluid present inside the pump.

Abstract: A low permeability coupling device for coupling a first endpiece (3) extending a tube (2) with a second endpiece (10) carried by the wall (1) of a member to which the tube (2) is connected, in which the second endpiece (10) has two substantially coaxial walls (11, 12) defining between them a blind annular housing (13) for receiving the first endpiece (3), and a sealing element (15) extending between the inside face (11a) of the outer wall (11) of the second endpiece and the outside surface (8) of the first endpiece when it is in place in the above-mentioned housing (13).

Abstract: A plastics material tube that is particularly resistant to fire, such that its wall is formed by a corrugated tube of flammable plastics material, by a smooth tube lining the outside of the corrugated tube and made of a plastics material that limits flame propagation, and by a fireproofing composition received between the two tubes.

Abstract: A female snap-on connection is provided for cooperating with a male catching end piece with central barrel and flange ring. The snap-on connection includes a body made of rigid plastic material and a tubular portion with raised parts for connection to a pipe and a portion forming a stepped cylindrical cavity to receive at least the barrel end, and at the front of the body, a lock made of rigid plastic material to be urged to lock the flange ring once the latter is set in plane, the lock and the body are secured together by at least a flexible part so as to form a single piece, at least an annular joint ensuring tightness; the lock tilts on a hinge pin formed by the flexible part(s).

Abstract: A head for a fuel tank filler tube includes a tubular body (3) having one end (5) for connection to the tube and an opposite end forming a filler orifice (6) via which a pump nozzle can be inserted into a filler duct, the body including a duct (14) for removing fuel vapor that is arranged to communicate firstly with the fuel tube and secondly with the outside of the tubular body via a vent (17) formed through a side wall (4) thereof, and a vent shutter (21) mounted in the body to be driven by the pump nozzle on being inserted into the filler duct from a vent shutting position towards a position in which the vent is disengaged.

Abstract: A pipe for transporting automobile fluids includes a smooth inner tube (1) based on an elastomer thermoplastic material, an outer annellated tube (2) in contact with the inner tube by the inner vertex of the undulations thereof and which is made of a polyamide-based thermoplastic material, in addition to an element connecting the outer tube to the inner tube.

Abstract: A multilayer pipe has an inner layer of thermoplastic material, and is wherein the thermoplastic material of the inner layer comprises a cyclo-olefin.

Abstract: A multilayer pipe having an inner layer of thermoplastic material, wherein the thermoplastic material of the inner layer comprises a polymer based on a substituted pentene monomer.

Abstract: A multilayer tube comprising at least an inner layer, an intermediate layer, and an outer layer, wherein the intermediate layer is formed by a polyphthalamide.

Abstract: A hose for conveying a fluid containing hydrogen, the hose being comprising, from the inside towards the outside:

Abstract: The invention relates to a priming pump comprising an enclosure having an elastically deformable central zone connected to two coupling zones, the enclosure being comprising an outer layer of elastomer material and an inner layer of barrier-forming material against the fluid present inside the pump.

Abstract: A multilayer tube comprising at least an inner layer, an intermediate layer, and an outer layer, wherein the intermediate layer is formed by a polyphthalamide.

Abstract: A transport tube for transporting a motor vehicle fluid, in particular a coolant, which tube comprises: an inner layer (1) made of vulcanized elastomer material; an outer layer (2) made of thermoplastic material that withstands the coolant chemically and that is impermeable thereto; and an intermediate bonding layer (3) made of a material that is compatible with the materials of the inner and outer layers.

Abstract: A multilayer hose for conveying a motor vehicle fluid, the hose comprising:

Abstract: The invention provides an air-liquid heat exchanger for a motor vehicle fluid-flow circuit (2, 3), the heat exchanger comprising a plurality of tubes (4) extending between two fixing and distribution blocks (5, 6) to which the ends of the tubes are coupled, each of said two blocks comprising: a face (10, 13) facing the other block and carrying internal coupling members (15) for coupling the corresponding ends of the tubes (4) to the block in question; an internal distribution channel (17) interconnecting the internal coupling members (15); and an external coupling member (19) for coupling the block in question and its internal distribution channel (17) to the fluid-flow circuit (2, 3) of the vehicle. At least one (5) of the two blocks has at least one ventilation nozzle (23) passing therethrough between its face (10) carrying the internal coupling members (15) for coupling tubes (5) to said block, and its opposite face (9).

Abstract: A pipe element possessing a longitudinal axis (2) along which a rigid tubular part (3) and a flexible tubular part (4), together constituting a single piece, extend. The rigid part (3) has one end presenting a substantially radial connection surface (8) for connection to an end portion (11) of the flexible part (4), and an additional connection surface (10) on the radial connection surface (8) connecting to the end portion (11) of the flexible part (4), at least a part of the additional connection surface (10) extending substantially parallel to the longitudinal axis (2).

Abstract: A method of fireproofing a component of thermoplastic material belonging to an installation for distributing a flammable liquid such as a fuel, the method consisting in coating the outside of the component in a compound based on polyvinyl chloride (PVC) that is grafted so as to be cross-linked.