Abstract: Device for connecting a tube to a circuit element, including a cartridge type tubular body provided externally with a washer for anchoring the body in a well of the circuit element and provided internally with a retainer for the tube, characterized in that the anchor washer is mounted on an end portion of the tubular body designed to lie at the level of the opening of the well when the connecting device is in use, the end portion being elastically deformable between a deformed state enabling the washer to be placed on the body and a rest state for retaining the washer on the body.

Abstract: A coupling element of a fluid circuit. The coupling element includes a tubular body externally provided with an annular shoulder in which a groove is provided having an end wall flanked by an outer side and by an inner side so as to receive an annular seal designed to bear against a surface surrounding an inlet orifice of a channel of a member to which the element is designed to be coupled. The body defines at least one passage for bringing the fluid into the groove so as to push the seal back against the outer surface of the groove, and against the surface surrounding the inlet orifice of the channel.

Abstract: A coupling device including a tubular body defining a channel having a reception segment for receiving a pipe end, the reception segment being provided with a locking member for locking the pipe end in the reception segment, a sealing member for fitting tightly against an outside surface of the pipe end, a guide for guiding the pipe end in the reception segment, and an abutment for stopping the pipe end being pushed into the reception segment, wherein the sealing member is placed in a groove formed between the abutment and the guide, and the locking member is placed between the guide and an inlet to the reception segment.

Abstract: A device (1) for connecting together tubes (101, 102) for protecting an optical fiber cable (103), the device comprising a tubular body (2) defining a channel (3) having a first housing (4.1) and a second housing (4.2) each arranged to receive one of the tubes and provided with means (5) for sealed retention of said tube, and an annular step (9) extending between the housings to form an abutment against penetration of the tubes into the housings, an annular sealing element (10) being arranged in the first housing beside a flank of the step and being arranged to be taken, under the effect of axial compression exerted by the tube, from a first state in which the sealing element defines a section through which the cable can pass freely to a second state in which the sealing element defines a section less than a section of the cable. A segment, of an optical transmission circuit including such a connection device.

Abstract: Device for connecting a tube to a circuit element, including a cartridge type tubular body (1) provided externally with a washer (3) for anchoring the body in a well (2) of the circuit element and provided internally with means (4) for retaining the tube, characterized in that the anchor washer (3) is mounted on an end portion (8) of the tubular body (1) designed to lie at the level of the opening (16) of the well when the connecting device is in use, the end portion (8) being elastically deformable between a deformed state enabling the washer (3) to be placed on the body and a rest state for retaining the washer (3) on the body.

Abstract: A coupling device comprising a tubular body defining a channel and axially subdivided into an anchor section provided on the outside with an anchor member associated with a cover mounted on the body to have both an actuator end for actuating the anchor member and a drive end, and so as to be movable between an inactivation position and an activation position, a resilient return member urging the cover towards the activation position being mounted in a chamber defined by the cover and the body, the cover having a holder device for holding it in the inactivation position, which holder device is arranged to be declutchable when the cover is moved into a declutching position beyond its inactivation position in a direction away from the activation position, and the device including a passage for putting the chamber into communication with the well.

Abstract: A coupling device includes a tubular body (100) having a plastics material portion provided with an anchor member (5) for anchoring the tubular body in a first duct, the anchor member being made of metal. The anchor member is secured to a metal support element (1) that is covered at least in part in a layer of plastics material (9) compatible with the plastics material of said tubular body portion and that is connected to said portion by local welding of said portion with said layer. A method of fabricating such a coupling device.

Abstract: An insertion endpiece for connecting a part (2) carrying said endpiece (4) with another part (1) provided with a bore (3) for receiving the endpiece, the endpiece being provided with an outer groove (9) in which there is received a cylindrical ring (6), that is free to turn and to slide, possessing teeth (7) projecting from its outside surface, the ends of the teeth being contained, in the free state, in a substantially cylindrical envelope of diameter that is greater than the diameter of the bore (3), wherein the ring (6) is received in the groove (9) while being free to turn and to slide, wherein the axial width (L) of the groove (9) is greater than the axial width (L1) of the ring (6), and wherein when the ring (6, 20) is in abutment against a flank (9a) of the groove, the teeth (7) are in register with a secondary groove (10) formed in the bottom of the groove (9) receiving the ring (6), into which secondary groove the teeth are capable of penetrating elastically.

Abstract: An anchor device for anchoring an element such as a coupling in an opening in a wall the device including a sleeve for receiving the element, the sleeve being externally provided with a shoulder for bearing against a first face of the wall, and with an anchor member facing the shoulder having a portion that is resiliently movable between a laterally projecting position and a retracted position. The anchor member is a frustoconical ring received in a groove in the outside of the sleeve, the ring having larger end facing the shoulder with a sloping surface which forms the resiliently movable portion and which bears in the laterally projecting position against a zone of intersection between a side surface of the opening and a second face of the wall.

Abstract: A coupling element of a fluid circuit. The coupling element includes a tubular body externally provided with an annular shoulder in which a groove is provided having an end wall flanked by an outer side and by an inner side so as to receive an annular seal designed to bear against a surface surrounding an inlet orifice of a channel of a member to which the element is designed to be coupled. The body defines at least one passage for bringing the fluid into the groove so as to push the seal back against the outer surface of the groove, and against the surface surrounding the inlet orifice of the channel.

Abstract: Device for coupling the ends of carrier tubes used for guiding and protecting a cable. The device includes axially juxtaposed first and second tubular bodies, each having a first end for connection to one of the tube ends and a second end for connecting the body portions and which coaxially receives a flexible tubular sealing member. The bodies are connected such that they are relatively movable between a first position in which the body bodies are close together and the sealing member is in a rest state, and a second position in which the bodies are spaced apart and in which surfaces thereof contact the sealing member to dispose it into an energized state wherein it is urged radially inward and has an inner diameter that is no greater than the outside diameter of the cable.

Abstract: A quick-coupling tube fitting for coupling a tube to a body having a bore. The fitting includes a retaining member received within the bore for retaining the tube, and a release member received within the bore to be slidably moveable to release the retaining member when pushed. The release member has a rear portion that projects outwardly from the body. The rear portion has a shoulder surface which faces a stationary surface of the body to define a groove therebetween in which a safety member is disposed to delimit the sliding of the release member. The safety member is provided in the form of an elongate member which is closable to form a ring in the groove.

Abstract: Device for coupling the ends of carrier tubes used for guiding and protecting a cable. The device includes axially juxtaposed first and second tubular bodies, each having a first end for connection to one of the tube ends and a second end for connecting the body portions and which coaxially receives a flexible tubular sealing member. The bodies are connected such that they are relatively movable between a first position in which the body bodies are close together and the sealing member is in a rest state, and a second position in which the bodies are spaced apart and in which surfaces thereof contact the sealing member to dispose it into an energized state wherein it is urged radially inward and has an inner diameter that is no greater than the outside diameter of the cable.

Abstract: A coupling device comprising a tubular body defining a channel and axially subdivided into an anchor section provided on the outside with an anchor member associated with a cover mounted on the body to have both an actuator end for actuating the anchor member and a drive end, and so as to be movable between an inactivation position and an activation position, a resilient return member urging the cover towards the activation position being mounted in a chamber defined by the cover and the body, the cover having holder means for holding it in the inactivation position, which holder means are arranged to be declutchable when the cover is moved into a declutching position beyond its inactivation position in a direction away from the activation position, and the device including communication means for putting the chamber into communication with the well, the cover presenting a section beside the chamber that is greater than its section beside the well.

Abstract: A coupling device for coupling a first duct to a second duct, the device including first and second tubular elements, each having a coupling segment for coupling respectively to the first duct and to the second duct, and the coupling segments being linked together by link segments that are assembled together to be free to turn relative to each other, the link segment of the first element comprising a tubular male portion that is elastically deformable in a radial direction and that is engaged by force in a female portion of the link segment of the second element that is rigid relative thereto, and the coupling device including a third element that defines a fluid passage and that is received in the male portion to oppose radial deformation thereof.

Abstract: A connector for connecting a circuit element to a tubular endpiece has an external collar, the connector having a tubular body with means for connecting the tubular body to the circuit element and a housing to receive the endpiece. The housing has a sealing member and is defined by a wall pierced by a lateral opening, and receives a jumper that is movable transversely of the body between a projecting position for retaining the collar of the endpiece and a retracted position for releasing the collar. The body has a member for locking the jumper in the retaining position, the locking member being mounted on the body such that it is movable between a position which engages the jumper and a position which disengages the jumper.

Abstract: The invention relates to a coupling device comprising a tubular body (100) having a plastics material portion provided with an anchor member (5) for anchoring the tubular body in a first duct, the anchor member being made of metal. The anchor member is secured to a metal support element (1) that is covered at least in part in a layer of plastics material (9) compatible with the plastics material of said tubular body portion and that is connected to said portion by local welding of said portion with said layer. The invention also provides a method of fabricating such a coupling.

Abstract: A fluid transport circuit element comprising a body having a bore with one end fitted with a pipe end coupling device, the coupling device having a portion fitted with an anchor washer for anchoring the device in the bore, the washer being deformable between an anchor state and a free passage state, and wherein the portion fitted with an anchor washer is drivable from outside the body in the insertion direction into the bore from an anchor position in which the washer is in its anchor state and a release position in which the washer co-operates with an abutment that is stationary relative to the bore in the insertion direction, thereby bringing the washer into its free passage state in which it is retained by a retainer.

Abstract: An instantaneous connection device includes a tubular body, a tight element used to hold the end of a line in the body and includes an elastically deformable annular sealing element and a holding element that are arranged to receive the end of the line, a cam member for moving the holding element from a free state into a state wherein it grips the end of the line when it is axially displaced in the tubular body from a first position to a second position, and an elastic member for bringing the holding element back towards its second position. The sealing element is mounted between a radial shoulder of the body and a radial face of the holding element. The radial shoulder and the radial face are provided with reciprocal reliefs for laterally coming into contact with the annular sealing element.

Abstract: The invention relates to a washer for a tube coupler device, the washer having an inner portion subdivided into a plurality of teeth with active portions having a free edge that defines an inside edge of the washer and that is arranged to penetrate into an outside surface of the tube, wherein the active portions are arranged so that the inside edge is substantially continuous. The invention also provides a method of making the washer and a coupler device.