Abstract: A toothed washer, in particular for fixing a tube line introduced in a fluid connector in an insertion direction, including an annular base having a toothed washer central axis. At the inner circumference of the base, cutting teeth are respectively disposed as a single component on the base radially inward and obliquely to the toothed washer central axis and extending in the insertion direction over an overmolded resilient hinge section and an overmolded retaining section connected thereto. The cutting teeth are configured such that in the event of a fixing movement of the tube line, the cutting teeth cut-in against the insertion direction into an outer circumference of the tube line, wherein the cutting teeth include a cutting surface for cutting into the outer circumference of the tube line to be fixed.

Abstract: A connecting device having a connecting body with a receiving opening for a pipeline and a retaining element for securing an inserted pipeline. Inside the connecting body is a release element disposed in an axially displaceable manner such that the pipeline can be released. The release element includes a ring part and snap-in arms separated from each other by longitudinal slots. The outer perimeter the ring part can be sealed by an outer perimeter gasket against an interior perimeter wall of the connecting body, and the interior perimeter of the ring part can be sealed by an interior perimeter gasket against the inserted pipeline. In an assembled state of the connecting device, the outer perimeter gasket can be deformed from its sealing position such that at least one leakage gap is formed in the interior of the connecting device by an interior pressure of a pressurized medium in the pipeline.

Abstract: A holding element for a terminal connector, having at least one socket part and at least one plug part, wherein the plug part can be inserted or is inserted in a socket portion of the socket part. The holding element can be plugged or is plugged onto the plug part for detachably holding the plug part in the socket part. The holding element has a holding element body, holding arms having latching lugs that are directed inwards with respect to the holding element, holding arms having latching lugs that are directed outwards with respect to the holding element, and axially on both sides, has an uninterrupted, continuous edge on the end side. The holding arms each have a free end that is spring-elastically movable in the radial direction, and an end opposite thereof that is fixed to the holding element body.

Abstract: A connecting device for media lines including a coupling element, an insert part and a fastening element. The coupling element has a connection opening and a fluid channel; the insert part can be inserted into the connection opening; and the insert part can be fastened to the coupling element by the fastening element. The fastening element also has at least one control surface. When the insert part is inserted into the connection opening under the action of an installation force, the insert part acts upon the control surface in such a way that the fastening element is moved against a restoring force. If the installation force is sufficient, the insert part slides past the control surface and the fastening element interlockingly locks the insertion part. If the installation force is not sufficient, the fastening element presses the insert part back out of the connection opening.

Abstract: A plug-in connector produced by injection molding a plastic material and having an internal channel for a fluid and having three main sections situated axially one behind the other. The plug-in connector has a gate point on its outer circumference solely on one side and a mass distribution of the plastic material that is radially asymmetrical with respect to the circumference and which is present in at least one of the main sections of the shaped part. A method for the production of the plug-in connector is likewise disclosed.

Abstract: A connector, having a socket part and a plug part being insertable into a socket section of the socket part, wherein the plug part is provided with a retaining element for detachably retaining the plug part in the socket part, the retaining element having a retaining arm with at least one outwardly projecting engaging catch, a free end, and an end secured to the retaining element body and can be spring-elastically moved in the radial direction in relation to the plug part for blocking the engaging catch on a blocking surface or a blocking opening of the socket part and releasing it from same, and a locking device being provided for securing the blocking status of the plug part and socket part and for indicating an incorrect assembly thereof, the locking device cooperating with the retaining element, and being a radially insertable locking element that cooperates with the retaining element in the region of the retaining arm thereof.

Abstract: A connector arrangement for conducting liquid urea solutions. The connector arrangement includes a distributor, with at least three connecting elements, and a connecting component, located between the connecting elements, with inner channels running within the connecting component. Three individual lines having connecting means are connected to the connecting elements of the distributor by the connecting means, and a housing surrounds the distributor and at least a part of the individual line. The distributor is disposed in the housing together with end sections of the connected individual lines. A channel line inner diameter of the inner channels and a total length of the inner channels and a wall thickness of the distributor in the connecting component are dimensioned such that ice pressure on the distributor, which occurs as a result of the freezing of a liquid within the distributor, does not result in any destruction.

Abstract: A heat conductor and a heated media line having an inner tubular fluid line and at least one heat conductor arranged on the periphery thereof. The heat conductor is formed by a braid made of twisted individual wires and, in particular, an outer protective sheath surrounding the heat conductor and the fluid line. The braid is formed by at least six individual wires surrounding a support element, of which at least one individual wire is made of a copper-nickel (CuNi) alloy, and the remaining individual wires are produced from copper (Cu) or from a nickel-chromium (NiCr) alloy. All of the individual wires have the same diameter.

Abstract: A plug-type connector for media lines having a coupling part into which a plug part can be inserted. The plug part can be retainingly engaged in the coupling part by a retaining clip that has at least two pairs of spring arms. The clip can be premounted on the coupling part by latching of the spring arms. The clip is U-shaped wherein legs of the U-shape form the two pairs of spring arms, which pairs are arranged one behind the other in the longitudinal direction and are separated by a slot and are elastic in the radial and axial directions. The first pair of the spring arms interlockingly blocks the plug part against being pulling out of the coupling part, and the second pair of spring arms holds the retaining clip captively in the coupling part in pre-assembly and assembly positions.

Abstract: A pre-fabricated heatable media line having at least one pipe- and/or hose-type media line, at least one line connector located on the end of the line and at least one pre-fabricated heating element, the pre-fabricated heating element including at least two heating element portions connected in at least one circuit and at least one of the heating element portions extends over at least part of the at least one line connector and the at least one pipe- and/or hose-type media line in order to heat the at least one part of the line connector and the at least one pipe- and/or hose-type media line. In the pre-fabricated heatable media line, at least one of the heating element portions is designed as a mixed stranded wire having a number of stranded individual wires consisting of at least two different materials.

Abstract: A toothed disk for fastening a feedthrough-plug-connected media line. The toothed disk includes a circular insertion opening that is defined at a periphery of the insertion opening by elastic holding teeth, separated from each other by respective slots. In the axial direction, the holding teeth extend at an angle to a longitudinal axis that is perpendicular the plane of the insertion opening. Each holding tooth is connected to an outer mounting section by at least one connecting web. Punch-outs are formed between the connecting webs. A mounting section is arranged on a peripheral circle around the insertion opening and lies in a plane parallel to the plane of the insertion opening. Each holding tooth is connected to the mounting section by at least two connecting webs. Also provided is a connection assembly for the feedthrough plug connection of a media line including the toothed disk.

Abstract: A coupling element of a plug connection for tubing includes a retaining screw with an inner passage opening. The inner passage has a bearing shoulder on which a retaining element is arranged and behind which a sealing element is mounted. A sleeve-shaped spacing element is arranged between the retaining element and the sealing element, and the retaining element is axially held between the spacing element and a bearing shoulder of the inner passage opening. The sleeve-shaped spacing element has an axial length such that a restriction in the diameter of the wall of the inserted tube, produced when the retaining element is under load, is bridged by the spacing element such that the annular sealing element abuts against an undeformed area of the tube wall.

Abstract: A plug connector including a coupling part with a receiving opening into which a plug part, having a plug shaft with a collar, can be inserted. The plug connector also includes a resilient, radially slotted retaining clip having at least two spring arms and which can be pre-assembled on the coupling part and moved radially between an insertion position and a holding position for the plug part. The plug part can be inserted into the receiving opening when the retaining clip is in the insertion position, and when in the holding position he plugged-in plug part, and the collar thereof, can be blocked by the retaining clip against being pulled out. In the insertion position, the retaining clip projects with respect to the outer circumference of the coupling part, and in the holding position the retaining clip is flush with the outer circumference of the coupling part.

Abstract: A multi-part line, wherein line parts are provided, at ends of said line parts, with at least one connector assembly having at least one retaining element, wherein a connector part of the connector assembly of a line part and a coupling part of the connector assembly of the adjacent line part can be or are connected by overplugging and locking the at least one retaining element.

Abstract: An assembled media line including a media line, at least one first line connector and at least one first sheathing system, where the media line has a first end and a second end and where the at least one line connector is connected to one of the first and the second end of the media line and the at least one first sheathing system at least partially surrounds the media line, which media line is not dimensionally stable. A contour shaping cap device including at least two parts which together build, at least in sections, a media line surrounding sheath for contour shaping the media line, where the at least two parts are generally bending resistant and have elements for connecting them to one another.

Abstract: A connector for connecting at least one fluid line with another fluid line or a power unit. The connector includes a housing, a mating connector and an adapter sleeve. The adapter sleeve includes positive-locking elements that retain the adapter sleeve engaged with the housing. The adapter sleeve further includes latching arms releasably retaining the mating connector in the adapter sleeve.

Abstract: A line connector for a fluid and a ready-made medial line including the line connector. The line connector includes a connecting piece with a flow-through channel in the interior thereof and extending in a longitudinal direction of the connecting piece. The connecting piece has at each of its two ends a coupling section that is designed such that a flexible media line or a tubing or an aggregate can be connected to an aggregate connector. The flow-through channel is provided with an electrical heating unit. In the region of the flow-through channel, between the connecting sections, a circumferential enclosed receiving housing is formed on the coupling piece and in which an optical sensor unit is disposed for measuring characteristics of the fluid flowing in the flow-through channel. The ready-made media line includes the line connector and a tubular media line connected on one or both ends thereof.

Abstract: A multipart heatable media line including at least two sub-media lines, at least one heating element for heating the sub-media lines, at least one line connection device with connection sections for connecting to the sub-media lines, and at least one measuring device. The line connection device has at least one medium channel for conducting the medium through the line connection device from one connection section to the at least one other connection section, and the measuring device including at least one sensor element and is received in a line connection device receiving opening which is designed as a coupling portion.

Abstract: An assembled heatable media line having a media line having at least two heating elements arranged on the exterior of the media line and at least one line connector. In order to heat the at least one line connector, only one of the heating elements is arranged at or on said line connector and at least partially surrounds the same.

Abstract: A line connector for a fluid, in particular a urea solution, including a connecting piece with an interior flow-through channel extending in the longitudinal direction of the connecting piece. The connecting piece includes at each of its two ends a coupling section designed such that a flexible media line or a tubing or an aggregate can be connected to an aggregate connector. The flow-through channel is also provided with an electrical heating unit. In the region of the flow-through channel, between the connecting sections, an enclosed perimeter receiving housing is formed on the coupling piece, in which an optical sensor unit is disposed for measuring of properties of the fluid flowing in the flow-through channel. A ready-made media line, including a tubular or hose-like media line and a line connector connected on one or both sides to this media line is also disclosed.