Abstract: A cable securing device facilitates secure connection to a cabling end, and employs a retaining cap, a barrel and a cable receiving component. The cable receiving component can include a spacer gland, a fastening ring and a retaining jaw, or a subset thereof, and the elements of the cable receiving component may either be joined together as individual elements or provided as an integrated cartridge.

Abstract: A fluid control assembly includes a body having a female threaded end port, and an end adapter including a male threaded end screw threadably assembled with the female threaded end port, an end connector, and an internal passage extending from the end connector to the end screw. One of the body and the end adapter includes at least one outer peripheral recess, and the other of the body and the end adapter includes a peripheral flange. A portion of the peripheral flange in circumferential alignment with the at least one recess is deformed into interlocking engagement with the at least one recess to rotationally secure the end adapter with respect to the body.

Abstract: A closure for a beverage keg is provided, comprising an outer housing wall defining at least a portion of a valve housing and an inner duct that is located within the outer housing wall. The inner duct extends through at least a portion of the valve housing to define a flow path through the closure. The outer housing wall and the inner duct are integrally formed together as part of a single housing component.

Abstract: An assembly includes a composite body and a load body connected to the composite body by a fastener. The composite body is elongate along a body axis and has a first fastener opening extending radially therethrough. The load body has a second fastener opening extending therethrough. The fastener extends along an insertion axis through the first fastener opening and the second fastener opening to connect the composite body and the first load body together. The fastener has a non-circular cross-section orthogonal to the insertion axis.

Abstract: An adapter configured to allow interconnection of a device input connector (DIC) having a first connector configuration and an consumable end connector (CEC) having a second connector configuration, the adapter including a first end having a first connector mateable with the DIC, a second end configured to receive at least part of the CEC, a locking mechanism configured to lock the CEC to the adapter, and a release mechanism configured to release the CEC from the adapter.

Abstract: A diffuser anti-rotation system and apparatus is described. A diffuser anti-rotation system includes a circumferential coupling ring interlocked between a top of a first diffuser and a bottom of an adjacent diffuser. One end of the first diffuser includes at least one male register tab, the opposing end of the adjacent diffuser has at least one female register slot, and the coupling ring interlocks with the male register tab and the female register slot. One of the male register tabs and one of the female register slots are aligned axially and a single projection from the coupling ring interlocks with both the male register tab and the axially aligned female register slot. Impellers are mated with and rotating within each of the first diffuser and the adjacent diffuser, and the interlocked coupling ring prevents rotation of the first diffuser with respect to the adjacent diffuser.

Abstract: A mechanical joint includes a piping element, the piping element comprising an element flange, the piping element defining a socket extending inwards from the element flange; a pipe length, the pipe length extending through the element flange into the socket, the pipe length defining an outer pipe surface; and a gland, the pipe length extending through the gland, the gland comprising a joint restraint assembly, the joint restraint assembly comprising: a restraint base, the restraint base defining a restraint pocket; and a gripper disposed within the restraint pocket, the gripper configured to rotate in the restraint pocket, the gripper further configured to engage the outer pipe surface to prevent removal of the pipe length from the socket, wherein the joint restraint assembly is selectably configurable from a prepared position to an activated position.

Abstract: A mechanical joint includes a piping element, the piping element comprising an element flange, the piping element defining a socket extending inwards from the element flange; a pipe length, the pipe length extending through the element flange into the socket, the pipe length defining an outer pipe surface; and a gland, the pipe length extending through the gland, the gland comprising a joint restraint assembly, the joint restraint assembly comprising: a restraint base, the restraint base defining a restraint pocket; and a gripper disposed within the restraint pocket, the gripper configured to rotate in the restraint pocket, the gripper further configured to engage the outer pipe surface to prevent removal of the pipe length from the socket, wherein the joint restraint assembly is selectably configurable from a prepared position to an activated position.

Abstract: An attachment for an end effector. The attachment may include a clamp and a foot adhesively bonded to an edge of the clamp and having a set of interlocking features that form a mechanical interlock with the clamp.

Abstract: A gland includes an annular ring, the annular ring defining a gland bore, the gland bore defining a gland axis extending through the annular ring; and a joint restraint assembly, the joint restraint assembly including a restraint base, the restraint base attached to the annular ring, the restraint base defining a restraint pocket, the restraint base including a structural rail; a gripper, the gripper disposed within the restraint pocket and configured to move in the restraint pocket; a spring biasing the gripper to move inwards towards the gland axis; and a cover contacting at least a portion of the restraint base.

Abstract: An escutcheon mountable on a pipe having compression ferrule thereon, having a body with an annular body wall and an inner body sidewall portion defining a body opening, and an insert having an annular insert wall portion, an outer insert sidewall portion extending about the annular insert wall portion and sized to fit within the central body opening with the outer insert sidewall portion, and a plurality of inwardly extending members. The members being resiliently bendable between a first position with the inward free-end portions being in gripping contact with the pipe and a second position with the inward free-end portions defining a central insert opening sized to permit the insert to pass by the ferrule on the pipe as the escutcheon is pressed onto the pipe and then return to the first position.

Abstract: A gland includes an annular ring, the annular ring defining a gland bore, the gland bore defining a gland axis; and a joint restraint assembly, the joint restraint assembly includes a restraint base, the restraint base attached to the annular ring, the restraint base defining a restraint pocket; the restraint pocket comprising a restraint pivot disposed within the restraint pocket; a gripper, the gripper disposed within the restraint pocket, the gripper engaging the restraint pivot, the gripper configured to rotate about the restraint pivot; and a spring clip disposed within the restraint pocket, the spring clip biasing the gripper to rotate inwards towards the gland axis.

Abstract: A spindle assembly for connecting a drill string to a rotational drive for use in a horizontal directional drilling operation. The assembly comprises a saver sub attached to the rotational drive, and a drive chuck for connection to the drill string. The drive chuck and saver sub form a torque-transmitting connection by engaging through a seat in the saver sub and an engagement point on the drive chuck. Dowel pins may be used to rotationally lock and provide the engagement between the saver sub and the drive chuck. A collar may thread to the saver sub and cause an interference fit by engaging the drive chuck at a shoulder.

Abstract: An assemblable structural column joint connection using fiber-reinforced concrete filled round double steel tubes, including an outer high-strength round steel tube, an inner high-strength round steel tube and a round separation plate. The wedge-shaped teeth are provided at two sides of the outer and inner high-strength steel tubes, and wedge-shaped teeth spaced are uniformly distributed along circumferences of the inner and outer high-strength round steel tubes. The round separation plate includes a round plate provided with a central through-hole, and vertical separation walls are provided with on upper and lower surfaces of the round plate. The vertical separation walls are provided with wedge-shaped sliding grooves matching the wedge-shaped teeth. The inner and outer high-strength round steel tubes are fixedly connected to the round separation plate by matching the wedge-shaped teeth with the wedge-shaped sliding grooves.

Abstract: A lubricator clamp can include a first component clamp for coupling to a first piece of a lubricator on a first side of a lubricator nut, a second component clamp for coupling to a second piece of the lubricator on a second side of the lubricator nut, and a tie member coupled to the first and second component clamps. A component clamp can include a first portion having a first hinge end and a first latch end and a second portion having a second hinge end and a second latch end, wherein the first hinge end is hingeably coupled to the second hinge end and the first latch end is configured to couple with the second latch end. A tie member can include a coupler for coupling with a lubricator nut.

Abstract: Device for allowing downhole drilling tubing to withstand greater torques. There is provided a tube segment that can experience a higher torque without the need for increasing the tube or thread size. Certain examples provide for a roller or sprag configuration positioned with respect to the tube segment that allows the tube segment to withstand higher torques.

Abstract: A fluid connection device (10) for connecting two fluid conduits (11, 12), includes a female plug (1), a male plug (2), intended to be inserted into the female plug into a final coupling position, a movable primary locking device (3), having a locked position (30) in which it prevents the male and female plugs from being released from the final coupling position, and a movable secondary latch (4) having an active position (40) designed to prevent the primary locking device (3) from being moved out of the locked position of same, whereby the fluid connection device can establish a permanent connection of the first and second conduits.

Abstract: Apparatus for coupling first and second tubular members includes a first ring coupled to the first tubular member and having a castellated annular first surface with teeth extending in a first direction, and having a projecting tab extending in a second direction opposite the first. The tab is received in a recess in the first tubular member and has a beveled surface. A key is configured to be disposed in the first recess, and has a beveled surface that engages the beveled surface of the tab. A through-bore in the key is aligned with a fastener-receiving bore in the first tubular member and a fastener is disposed in the aligned bores. A second castellated annular surface coupled to the second tubular member has teeth meshing with the teeth of the first castellated annual surface.

Abstract: A connector includes a female-side connector and a male-side connector including an inner engagement portion and an outer engagement member or portion. The outer engagement member or portion has: an outer engagement member or portion body covering the female-side engagement portion from outside when the male-side connector is inserted into the female-side connector; and has a holder that, when the male-side connector is inserted into the female-side connector, covers the screw thread on the female-side engagement portion from outside, and fills a gap between the female-side engagement portion and the outer engagement member or portion body. The holder is disposed on an end portion side of the male-side connector from the inner engagement portion in a longitudinal direction of the male-side connector, and disposed so as to pinch the female-side engagement portion in cooperation with the inner engagement portion when the male-side connector is inserted into the female-side connector.

Abstract: A quick connector for releasably engaging a tube having a radial flange includes a housing, a retaining member and a blocking member. The housing is a generally tubular housing. The retaining member is carried by the housing and is movable from a first position to a second position. In the first position, the retaining member is operative to secure the tube relative to the housing in the first position. The blocking member is operative to resisting movement of the retaining member from the first position to the second position.

Abstract: An aircraft pipe coupling includes a first pipe end and a second pipe end connected to each other by a fastener. A locking collar restricts the rotational movement of the first pipe end, the second pipe end, and the fastener with respect to one another. The locking collar includes a first engagement portion and a second engagement portion, one of the engagement portions includes a resiliently deformable engagement surface. The first engagement portion is located over and engaged with the fastener, and the second engagement portion is located over and engaged with the second pipe end.

Abstract: Lockable connection assemblies including lockable connection components are described. A lockable connection assembly may include an assembly for connecting components in an electrical or communication system, such as a fiber optic communication network. The lockable connection assemblies may include a connector (for example, a plug) and an adapter configured to be connected together, for example, using a bayonet-type connection. The components of the lockable connection assemblies may include elements configured to prevent the connector from unintentionally disconnecting from the adapter. For instance, the connector may include a locking nut configured to engage and lock a coupling nut connected to the adapter from rotating and disconnecting from the adapter.

Abstract: Apparatus and method for increasing the torque capacity of threaded connections between tubular members. The apparatus may include a first tubular end coupled with a second tubular end, and a torque member wherein the torque member is torqued against the second tubular member and wherein tapered surfaces are engaged between the torque member and the first tubular member at a tapered surface interface.

Abstract: A pipe connection includes a pin having external threads and a box having internal threads. A circumferentially extending row of pin teeth are located on an exterior portion of the pin. A slot extends through a side wall of the box. A key is carried in the slot, the key having a row of key teeth that mate with the pin teeth. The key is mounted to the box such that a movable portion of the key is radially movable relative to the box between radially outward and radially inward positions. The key is biased toward the inward position, so that the key teeth ratchet on the pin teeth during make-up of the pin and the box. The key and pin teeth have a saw-tooth configuration to resist unscrewing rotation of the pin and the box. The key may be an integral part of the side wall of the box or a separate component.

Abstract: A duct for a heating/ventilation/air conditioning system of a vehicle includes a first end and a second end spaced a distance from the first end. An orifice extends between the first end and the second end. A semi-circular surface is disposed at the second end. The semi-circular surface extends about a radius having the same length as the distance between the first and second ends.

Abstract: The connector assembly may include a ratcheting feature which prevents the coupling nut from turning due to vibration or shock. The coupling nut may include an engagement surface. The engagement surface may be a series of peaks and valleys. The connector may include a spring washer. The spring washer may be located between the coupling nut and the connector body. The spring washer may include a protrusion. The protrusion engages the engagement surface. In a second embodiment, the coupling nut may include a spring pin. The connector body may include an engagement surface. The engagement surface may be a series of peaks and valleys. The spring pin engages the engagement surface. The spring pin may be made of multiple components, for example, a pin and a spring. In another embodiment, the spring pin may be a single component.

Abstract: A method for connecting at least a first component (2) and a second component (3) together, wherein each component (2, 3) comprises at least one key arrangement extending along the component (2, 3) and keys (5, 6) of the key arrangement are spaced apart from one another. The method comprises the steps of: aligning the key arrangements of the components (2, 3) such that aligned keys (5, 6) of the key arrangements extend generally in line with a common axis (15) or ensuring alignment of the key arrangements such that aligned keys (5, 6) of the key arrangements extend generally in line with a common axis (15); and extending a key connector (4) comprising at least one longitudinal keyway passage (8) over the aligned keys (5, 6) generally in line with the common axis (15) so that the keys (5, 6) extend within the keyway passage (8), are retained by the key connector (4), and the first and second components (2, 3) are clamped together to form an assembly (1).

Abstract: A method of water discharge management in a water processing system is provided. The method includes providing a supply of a first solution, providing a supply of a second solution, and selectively supplying the first solution to a water processing system and the second solution to the water processing system. The method further includes controllably and selectively directing discharge water formed in the water processing system through a first multi-way valve to a waste outlet during a period in which the discharge water satisfies a first selected criteria, and to a second multi-way valve during a period in which the discharge water satisfies a second selected criteria.

Abstract: A header tethering device that provides retention of a header to a collector to prevent separation of the header from the collector is disclosed. A header clamp has a first band configured to encircle the header and establish a frictional connection therewith. A collector clamp has a second band configured to encircle the collector and establish a frictional connection therewith. A flexible tether has a first end mounted to the header clamp and an opposite second end mounted to the collector clamp. When the header clamp is secured to the header and the collector clamp is secured to the collector with the tether extended therebetween, the tether prevents separation of the header from the collector.

Abstract: A medical connector system including a first connector and a second connector. The first connector has a housing, a biasing member, and at least one projection. The second connector has at least one groove for receiving the at least one projection. The proximal end of the second connector is configured to be at least partially disposed within the distal end of the housing of the first connector. Upon application and release of a first set of opposing axial forces applied to the connector system, the first connector is locked to the second connector and, upon application and release of a second set of opposing axial forces, the first connector is released from the second connector. The connectors may include indicators to show when the connector system is in the locked position.

Abstract: A fitting (200) for providing a fluid connection between a capillary (202) and a fluidic conduit (204) of a fluidic component (30), the fitting (200) comprising a male piece (240) and a female piece (250) for connection with the male piece (240), wherein the male piece (240) comprises a housing (252) with a capillary reception (212) configured for receiving the capillary (202), wherein a part of the capillary (202) being received in the capillary reception (212) is circumferentially covered by a sleeve (214), an elastic biasing mechanism (206) being arranged at least partially within the housing (252), being configured for biasing the capillary (202) against the female piece (250) and being supported by the sleeve (214), and a locking mechanism (208) being arranged at least partially within the housing (252) and being configured for locking the capillary (202) to the fitting (200).

Abstract: Diaphragm joint and convolutions, bottom screen diffuser, air stern, cap, and diaphragm restrictor systems for a pressure vessel are disclosed. A convoluted diaphragm divides the vessel into a pair of sealed chambers. The convoluted geometry of the diaphragm minimizes stress on the diaphragm at maximum displacement conditions. An H-ring, with or without being over-molded by the convoluted diaphragm, may be configured to receive end portions of the tank liners. A bottom diffuser, coupled to an inlet of the vessel, diffuses and mixes water flowing into and out of the vessel and drains water out of the vessel. Fiberglass windings surround and lock the tank liners in tension. The cap system includes a valve cap that engages an air stem. An outer cap covers a recess of the vessel and includes a hollow cavity that receives the valve cap. A diaphragm restrictor limits upward movement of the diaphragm within the vessel.

Abstract: A connector includes a housing having a connecting portion, an insertion portion, and slits, and a retainer having arms, and engaging portions. The engaging portions are engaged with a flange portion of a first pipe member so as to retain the first pipe member. An inclinatory contact portion is provided between inner circumferential surfaces of the slits and outer surfaces of the, such that the pair of arms are urged in directions of approaching each other when a force to pull out the first pipe member from the insertion portion is exerted.

Abstract: A quick connector coupling assembly includes a retainer to connect a rigid tube to a hollow body component. A sleeve extending between a fluid sealing member and the retainer includes a rearward abutment surface in abutting contact with the retainer. The retainer locking arms include forward abutment surfaces in abutting relation with the tube upset and forward abutment surfaces in abutting relation with the sleeve. An insertion verifier includes a ring portion with axially extending legs positioned in the slots between the retainer locking arms. At least one leg includes a releasable latch engaged with the retainer in the slots between the locking arms. Guide elements on the retainer and insertion verifier align the verifier legs and retainer slots on insertion of the verifier.

Abstract: A locking device for a threaded pressure fitting, the locking device comprising first and second clamp members, clamp means operable to apply a clamping load to the first and second clamp members to clamp the first and second clamp members to one another, each clamp member having a first insert and a second insert held captive thereto, each insert having a bearing face adapted to cooperate with and bear against part of the pressure fitting, in use, at least the first insert associated with each of the first and second clamp members being angularly moveable relative thereto to permit the bearing face of each fast insert to be orientated differently to the bearing face of the associated second insert.

Abstract: A tamper resistant pipe coupling is formed of segments connected end to end using fasteners. The segments have bearing pads at each end, each bearing pad surrounded by a shield wall. The shield walls and the bearing pads form a well that receives the fasteners and provides defense against tampering. The well is filled with a potting material, such as refractory cement, to cover the fasteners and provide additional protection. Formations are provided on the bearing pad and shield wall to ensure positive mechanical engagement between the coupling and the potting layer. The shield wall and bearing pad may be integrally formed with the coupling segments or a separate component.

Abstract: A fluid line coupling for a mechanical and fluidic coupling may include a fluid-carrying first component and a fluid-carrying second component. A pipe body may be at least one of integrated with and attached to the first component. A connection piece may be arranged coaxially to the pipe body in an inserted position, the connection piece being at least one of integrated with and attached to the second component. A securing clip may be disposed on an outer side of the pipe body and surround the pipe body in a circumferential direction at least 180°. The securing clip may be radially adjustable relative to the pipe body between a securing position in which the connection piece is secured to the pipe body in the inserted position, and a releasing position in which the connection piece is unsecured to the pipe body in the inserted position.

Abstract: A blood pump includes a hub having an axis of rotation and a generally cylindrical shape. The hub has an upstream end region, a central region, and a downstream end region, and the hub includes a magnetic material. Blades that are disposed on the downstream end region of the hub extend downstream of the hub.

Abstract: A medical waste fluid collection and disposal system includes a medical waste fluid collection cart including first and second fluid collection canisters. A valve assembly selectively communicates with the canisters and a valve drive system controls the valve assembly. A liquid level sensor is positioned within each of the canisters. A cart processor communicates with the liquid level sensors and the valve drive system. A cart drain line communicates with the valve assembly and a receptacle, a cart flushing line communicates with the valve assembly and the receptacle and a cart data line and a cart power line communicate with the cart processor and the cart receptacle. A station includes a drain pump that communicates with a drainage system and a station drain line, a flushing pump that communicates with a source of washing liquid and a station flushing line and a station processor in communication with the drain and flushing pumps. A station data line communicates with the station processor.

Abstract: A coupling device comprises a body in which a passageway is formed which extends from an end aperture of such body to receive a pipe. A collar is positioned partially within the passageway to allow axial translation and has an annular flange outside the end aperture and flexible arms which extend in the passageway. The coupling device further comprises a safety mechanism having a cylindrical portion capable of being fitted on the portion of pipe straddling the end aperture so as to position the cylindrical portion between the pipe and the collar. The safety mechanism also has a safety fork connected to the cylindrical portion and which accommodates positioning of the collar between the body and the annular flange of the collar to inhibit axial movement of the collar towards the body of the device.

Abstract: A plug connection (1) for fluid lines, with two intermateable coupling parts (2, 3), which in an inserted state can be releasably locked via a locking device (4) consisting of two outer radial flange-like retaining ribs (21, 31) of the two coupling parts (2, 3), which are adjacent in an insertion direction (S) and axial (X-X) in inserted state and a retaining part (5) with an annular contour, which in preassembled state can be axially and radially fixed and undetachably assembled on one of the two coupling parts (3) and in an assembled state axially and radially encompasses the retaining ribs (21, 31) of the two coupling parts with at least one radially elastically moving retaining section (53) with a C-shaped axial section having two collars (51, 52). The plug connection incorporates features to ensure the undetachability of the retaining part (5) and minimize the space requirement, in particular during disassembly.

Abstract: A plug connector for media-bearing lines has a plug body for connecting to an opening. At least one rib is provided on the plug body, the rib being retained in the opening in the assembly position of the plug body by a retaining clip adjustable on the plug body. An assembly force acts on the retaining clip, the clip being supported on at least one rib of the plug body, thereby displacing the plug body into the opening, and locking therein in an undercut.

Abstract: A connector includes a connector main body having a mounting tube for mounting a hose; and a lock member loosely fitted in a guide member of the connector main body slidably in an axis line direction. The lock member includes a claw member provided to stand from an inner wall face in a mounted hose direction facing thereto. The mounting tube includes a projecting piece on an outer end circumference. After the hose has been inserted into the mounting tube, if the hose or the lock member is pulled, the lock member moves forward, so that the hose is locked by the claw member, and the hose is clamped by the projecting piece provided on a mounting tube side and the lock member. As a result, the hose can be easily connected, and a high sealing property can be obtained.

Abstract: The disclosure relates to a quick connector for fluid lines, including: a connecting piece which is adapted to be plugged in a sealing fashion into a receiving opening of a counterpart and to be lockingly engaged, via a latch, with the counterpart, the quick connector having at least one support for supporting the connecting piece on the counterpart such that it is secured against tilting. In order to provide a certain mobility of the quick connector also in the condition of locking engagement, the support can be movable relative to the connecting piece.

Abstract: A connector for a component fitting assembly of an air conditioning system includes a substantially planar plate having a recessed portion and a slot portion. The recessed portion and the slot portion are formed in the plate to define an opening for receiving a conduit therein. A method for coupling the conduit to the connector includes the step of urging at least the portion of the conduit through the slot portion and into the recessed portion of the plate, whereby the at least the portion of the conduit is deformed to correspond with a configuration of the opening to militate against disengagement between the plate and the at least the portion of the conduit disposed in the opening of the plate.

Abstract: A connecter assembly includes a male connecter and a female connecter that are connected to each other. The male connecter includes a connecter main body; an engagement member including a support portion which fixedly supports the connecter main body, a plurality of claw portions, and a plurality of slit portions; and a lock member disposed outside the engagement member and including a plurality of ribs that are slidably insertable into each of the plurality of slit portions of the engagement member. The female connecter includes a main body portion including: a plurality of flange portions protruding in a radially outward direction so as to be engagable with each of the plurality of claw portions of the engagement member, and a plurality of non-flange portions that are disposed between the plurality of flange portions, and when compared to the flange portion, bulged in a radially outward direction.

Abstract: The present invention relates to a connection device (1) for at least one media line (2), such as for a urea-water solution for exhaust gas after-treatment in a motor vehicle having an internal combustion engine. The connection device comprises a connection part (4) having a socket (6) for the circumferentially sealed insertion of a line-side plug section (8), and retention means (10) for locking the inserted plug section (8) in place to prevent detachment. The retention means (10) is configured in such a way that starting from a normal operating position the inserted and locked plug section (8) can be moved over a specific travel path relative to the connection part (4) in opposition to a return force (F), in order to enlarge an internal volume inside the connection part (4) to which the medium is admitted.

Abstract: A plug-in connection arrangement for releasably connecting fluid lines is presented. The plug-in connection arrangement comprises a basic body which has a supply line and an insertion opening, wherein the basic body is connectable to one of the fluid lines, and wherein a connecting piece, which is connectable to a second of the fluid lines, can be plugged onto the supply line in order to form a tight connection with the supply line, having a fixing element which is accommodated in the insertion opening and is fixed in the insertion opening in the axial direction of the supply line in order to secure the connecting piece in a fitting position, and having a connection element which is mounted on the supply line so as to be movable in the axial direction and prestresses the fixing element in the radial direction in an axial position.

Abstract: Connection devices for a moulding core for producing a fibre composite component are provided. Such a connection device can include a base element for receiving a coupling portion of the moulding core for subjecting the moulding core to a medium, a clamping element for fixing and sealing the coupling portion of the moulding core on the base element, and a locking mechanism for locking the clamping element with respect to the base element and the coupling portion of the moulding core.

Abstract: This assembly between a spigot and a socket comprises a sealing gasket provided with a locking insert which comprises a head and a foot. The head comprises a radial projection, designed to press against a bottom surface of an anchoring groove belonging to the socket and a first inclined projection, designed to press against an inclined surface of the anchoring groove. The head also comprises a frontal projection which is offset from the first inclined projection and designed to press against an annular frontal surface of the anchoring groove. Application to the connecting of cast iron pipes.