Abstract: A pipe joint and elongated cementitious pipe is formed by joining abutting ends of adjacent pipe sections with a fiber reinforced composite material without the need for the pipe sections to have other connection means, such as the standard bell and spigot end connections. Also disclosed is a cementitious pipe including at least two cementitious pipe sections having ends that are joined together with a fiber reinforced polymer composite material. The cementitious pipe sections and resulting cementitious pipe may have a substantially uniform wall thickness and substantially uniform inner and outer diameters near the opposite ends of the pipe sections. Also provided is a method for joining cementitious pipe sections with a fiber reinforced composite material to manufacture an elongated cementitious pipe, such as an elongated concrete pipe.

Abstract: A pipe joint for joining pipe sections via a receiving recess at one end of the first pipe section including a first groove formed in an internal wall of the receiving recess and accessible via a transverse insertion passage, a plurality of axially spaced-apart second grooves formed in an external wall of a connection end of the second pipe section, and an elongate flexible anchoring strip including a plurality of axially spaced-apart anchoring portions placeable in respective ones of the second grooves, wherein, once the first and plurality of second grooves have been brought into alignment upon insertion of the connection end of the second pipe section into the receiving recess, the anchoring strip is inserted from outside the first pipe section into the first groove and plurality of second grooves so as to be seated therein, thereby uniting and axially locking together the first and second pipe sections.

Abstract: Methods of assembling an aircraft wing includes adhering fuel dams to stringers and adhering the fuel dams to ribs. Fuel dams include a fuel-dam body that defines a channel shaped to receive a portion of a stringer of an aircraft wing. The fuel-dam body includes a stringer adherent surface, a rib adherent surface, and a pair of spaced-apart flanges extending from the rib adherent surface and positioned to project from the rib adherent surface on opposing sides of a notch of a rib.

Abstract: Embodiments are directed to first and second structural members that are threadingly-engaged with each other. The first and second structural members are dissimilar strength materials. Each structural member configured with a plurality of threads for the threading engagement. The thread thickness of each thread in the plurality of threads for the first structural member is not equal to the thread thickness of each thread in the plurality of threads for the second structural member.

Abstract: A pipe coupling for coupling a first pipe to a second pipe wherein a gap exists between a first pipe end and a second pipe end. The pipe coupling includes a tubular insert configured to fit within the gap and match an inside diameter and outside diameter of the pipes, thereby providing a through-butt joint between the insert and the pipes. The pipe coupling also includes a half-tubular first fitting section and a half-tubular second fitting section, configured to snap-lock and form a tubular shape over the insert, the first pipe end and the second pipe end. In some embodiments, the insert is integral with the fitting sections.

Abstract: The present invention provides a lamprey lock device configured to provide a fluid transfer between two devices or objects. In one embodiment, lamprey lock device of the present invention improves fluid transfer by maximizing the inner diameter of connections between two objects including but not limited to a catheter, tubing, veress needles, trocars, syringes, or gas/fluid delivery systems.

Abstract: A drainpipe test plug for plugging a drainpipe via an opening formed therein includes a plug seal that includes a planar front surface which faces upward in the drainpipe whenever the drainpipe test plug is in a plugging position and a peripheral annular rim. The plug seal can include a plurality of holes or a continuous channel formed into the surface of the planar front surface, or a plurality of holes or a continuous channel formed into the surface of the peripheral annular rim, or both. The plug seal holes or channels impart a degree of flexibility to a peripheral area of the plug seal to facilitate the insertion and removal of the drainpipe test plug from the drainpipe. In addition, the holes or channel in the planar front surface provide additional sealing force against the interior of the drainpipe whenever the drainpipe test plug is in the plugging position.

Abstract: A method of forming a pipe joint between a pipe section and a pipe fitting includes inserting an end of the pipe section into a socket of the pipe fitting, and attaching a removable clamp to the pipe section and pipe fitting. The socket includes a centering device and a pipe stop that is configured to receive the end of the pipe section. The clamp includes a plurality of arcuate segments and a tightening mechanism, and each arcuate member has a removable/replaceable sealing member. The arcuate members are radially compressed via the tightening mechanism to cause the respective sealing members to seal an open end of the gap. A bonding agent is then injected into the gap via a port that extends through the pipe fitting. Once the bonding agent has been injected, the clamp is removed and can be reused.

Abstract: A method of over-molding a hybrid sub-assembly onto a base structure includes providing a mold for an over-molding process. The mold may comprise a lower mold tool, an upper mold tool, and a tube locator positioned on one of the upper mold tool or lower mold tool. A base structure formed of a first material is located into the tube locator. A mandrel tool is inserted into an opening in the base structure. The upper and lower mold tools are closed and clamped shut. A second material, such as a lighter weight or lower density material is heated to at least a semi-solid or slurry state. The semi-solid or slurry is injected into the mold to form a molded sub-assembly that is mechanically bonded to the base structure.

Abstract: There is provided a pillar framework structure including: a pillar lower that extends in a vehicle vertical direction; a joining member that is joined to an upper portion of the pillar lower and that is configured from die-cast aluminum; and a pillar upper that is joined to the joining member, and that extends in a vehicle upward direction and a vehicle rearward direction.

Abstract: A connector or adhesive assembly for joining adjacent ends of insulation tubing, comprising a layer of pressure-sensitive transfer adhesive material, said layer of pressure-sensitive transfer adhesive material capable of bonding to insulation tubing, whereby when said layer of pressure-sensitive transfer adhesive material is positioned between a first section of insulation tubing and a second section of insulation tubing, said layer of pressure-sensitive transfer adhesive material bonds to both the first section of insulation tubing and the second section of insulation tubing; and a disposable release liner member adapted to hold said layer of pressure-sensitive transfer adhesive material prior to positioning said layer of pressure-sensitive transfer adhesive material between the first section of insulation tubing and the second section of insulation tubing. Generally, the seam created when the first section of insulation tubing and the second section of insulation tubing are joined is covered with tape.

Abstract: Methods and apparatuses of joining a first pipe and a second pipe by injecting a pipe joining material into an interstitial space between abutting surfaces are provided. The methods and apparatuses may use a hollow fitting into which pipe ends may be inserted.

Abstract: A tube form assembly includes an inner member and an outer member. Each of the inner and outer members has an offset which creates a cavity therebetween. During assembly of the tube form assembly, an adhesive is located in the cavity and squeezed out and through the adjacent bond lines between the inner member and outer member. The pressurization and flow of adhesive outward from the cavity facilitates removal of air bubbles, as well as prevents the introduction of air bubbles into the bond line.

Abstract: A sintered ceramic article includes a silicon carbide tube and a silicon carbide base component circumscribing at least a portion of the tube and sinter-bonded to the tube. The sinter bond between the tube and the base component is defined as an interface bond and includes no bond materials. The interface bond has at least one of the following performance characteristics: a Shear Strength not less than about 25 MPa, a Nitrogen Seal Performance of not greater than 10%, a Helium Seal Performance of not greater than 10%, and/or a Vacuum Seal Performance of not greater than 10%.

Abstract: A hose joint assembly includes a fitting, a hose receivable onto the fitting, and an adhesive for bonding the hose and the fitting together. For example, the adhesive is a microencapsulated two-part epoxy adhesive that functions as a lubricant when assembling the hose onto the fitting before curing.

Abstract: A removable coupling device (50) for coupling together two flexible pipes (11, 21) of two tanks (10, 20), and also provides a fuel storage system. Said removable coupling device (50) comprises two connector seats (51, 52), each connector seat (51, 52) being secured to a respective flexible pipe (11, 21) by adhesive bonding. Said connector seats (51, 52) are rigid and are assembled mechanically together via at least one screw (54). The sealing between said connector seats (51, 52) is provided by a gasket (53).

Abstract: Polymeric thin-film tube connectors, bioreactors, systems and methods are described, the connectors allowing connection of a polymeric thin-film tube of a bioreactor chamber with a complementary part, typically, rigid port of flange of the bioreactor or bioreactor system. Further, bioreactors having a thin-film reactor chamber and one or more connectors are described. The thin-film reactor chamber can have a thin-film wall for enclosing culture medium and microorganisms. The connector can include a flexible boot. An opening of the thin-film wall couples to the flexible boot. The thin-film wall can extend through a reactor end of the flexible boot and can rest against an interior surface of the flexible boot. The connectors are particularly advantageous for connecting standard utilities in a bioreactor system to thin-film bioreactor chambers or capsules having a thin-film tubular opening.

Abstract: An air intake hose for a vehicle may include a blow molding portion formed in a hollow hose shape by blow molding, an injection molding portion formed in a hollow hose shape by injection molding, and a coupling portion formed at one end of the blow molding portion, wherein the blow molding portion and the injection molding portion may be coupled with each other by injecting a material forming the injection molding portion into an injection mold in a state in which the coupling portion may be inserted in the injection mold.

Abstract: A curable composition comprising an isocyanate material; method of using this curable composition and fluid connection incorporating cured reaction products of this composition are provided.

Abstract: A groove-making tool consisting of a hardened grooving-wheel that can be substituted for the cutting-wheel on any hand-held pipe-cutting tool and can make at least one circumferential groove in a pipe. A method of coupling the pipe to a variety of standard off-the-shelf components by placing at least one O-ring on the grooved pipe, which has thus become a universal fitting, and applying a visually identifiable adhesive and/or crimping with a crimp tool.

Abstract: A system and method to make stacked connector members for readily joining adjacent ends of sections of insulation tubing. Each of the stacked connector members includes a carrier member having a central opening. A layer of double-sided adhesive material is coated on each side of the carrier member, such that one side of the layer of double-sided adhesive material is able to bond to an end face of one section of insulation tubing, and the other side of the layer of double-sided adhesive material is able to bond to an end face of the second section of insulation tubing. In some embodiments, the layer of double-sided adhesive includes a scrim that acts as a reinforcing structure to keep the layer of double-sided adhesive material intact as a single body during and after application between two adjacent sections of insulation tubing.

Abstract: An assembly (22, 50, 60, 100, 110, 130) including a first component (30, 54, 70, 112, 132) and a second component (40, 56, 80, 120, 140) movably coupled to the first component. The second component is formed about and coupled to at least a portion of the first component via an over-molding process.

Abstract: A method and structures are provided for implementing hose-to-barb connections for water cooling hoses. The water cooling hose is assembled with a barbed fitting to create an interface free joint between a hose material and the barbed fitting. The hose material contains microcapsules which contain a catalyst and/or a combination of microcapsules which contain monomer and catalyst in separate microcapsules that promote polymerization when ruptured. The hose material contains functional groups that can be polymerized with a functionality that is contained on the hose surface. This process creates a secure interface free covalent bond, thus preventing leaks from occurring.

Abstract: A connector unit for connecting capillaries, in particular for high-performance liquid chromatography is described. A connector capillary projects through a bore of a connector housing. An annular sealing element is provided on a front end region of the connector capillary and which is composed of a plastically and/or elastically deformable material. The connector housing is formed so as to be releasably connectable to a bushing unit. The connector capillary has an inner shell composed of a plastically and/or elastically deformable material and an outer shell which engages around the inner shell and which is composed of a pressure-resistant material. The inner shell has a radially outwardly extending front end region which, on its own or together with the annular sealing element can generate a sealing action between the front end region of the connector capillary and the annular face side of the capillary receiving opening of the bushing unit.

Abstract: A high pressure medical connector tubing assembly includes a high pressure medical connector tubing assembly, including a tube element having opposed tube ends and a passageway, an end element overmolded to at least one of the opposed tube ends, the end element having an annular end portion having a preselected length, and a connector element having a connector hub defining a receiving cavity. The preselected length of the annular end portion may be used to pre-control the axial location of stress concentration in the connector hub. A method of forming the high pressure medical connector tubing assembly includes providing a tube element comprising opposed tube ends and a passageway therethrough, overmolding an end element onto at least one of the opposed tube ends, providing a connector element comprising a connector hub defining a receiving cavity, and securing the tube end with the overmolded end element in the receiving cavity.

Abstract: A method and structures are provided for implementing hose-to-barb connections for water cooling hoses. The water cooling hose is assembled with a barbed fitting to create an interface free joint between a hose material and the barbed fitting. The hose material contains microcapsules which contain a catalyst and/or a combination of microcapsules which contain monomer and catalyst in separate microcapsules that promote polymerization when ruptured. The hose material contains functional groups that can be polymerized with a functionality that is contained on the hose surface. This process creates a secure interface free covalent bond, thus preventing leaks from occurring.

Abstract: A sintered ceramic article includes a silicon carbide tube and a silicon carbide base component circumscribing at least a portion of the tube and sinter-bonded to the tube. The sinter bond between the tube and the base component is defined as an interface bond and includes no bond materials. The interface bond has at least one of the following performance characteristics: a Shear Strength not less than about 25 MPa, a Nitrogen Seal Performance of not greater than 10%, a Helium Seal Performance of not greater than 10%, and/or a Vacuum Seal Performance of not greater than 10%.

Abstract: A fuel line assembly for an aircraft comprises a ferrule assembly comprising a ferrule affixed to an isolation tube, which may be directly affixed to a fuel tube or affixed to an extension tube, which in turn, is affixed to the fuel tube. The ferrule assembly provides electrostatic discharge protection and lightning protection as the isolation tube maintains a separation distance from the ferrule and fuel tube, both of which are made from metal. The isolation tube is made from a dielectric material, but which may have conductive particles added to aid in the dissipation of an electrostatic charge. The electrical resistance through the isolation tube has a lower limit to arrest the flow of the induced lightning current through the assembly. The amount of lightning protection afforded can be configured. The ferrule assembly components may be affixed by using thermo-welding, adhesive, or mechanical pressure.

Abstract: A system of jointing reinforced thermosetting resin (RTR) pipe, including: a first RTR pipe with a spigot portion, the spigot portion having a first joining surface; a second RTR pipe with a socket portion shaped to receive the spigot portion, the socket portion having a second joining surface; and a cavity between the first joining surface and the second joining surface, the cavity formed when the spigot portion is push-fit into the socket portion; and an injectable/curable material located in the cavity. Additionally, a method of jointing RTR pipe, including the steps of: push-fitting a spigot portion of a first pipe into a socket portion of a second pipe, forming a cavity between the spigot portion and the socket portion; injecting a joining compound into the cavity; and curing the joining compound.

Abstract: A thermoplastic pipe distribution system is assembled by electromagnetic bond welding of a thermoplastic pipe to a thermoplastic fusion pipe joint assembly comprising a threaded fusion pipe ring, a threaded fusion pipe socket, and a susceptor layer between the fusion pipe ring and the fusion pipe socket. The fusion pipe ring is screwed into the fusion pipe socket, and the pipe is inserted into the fusion pipe ring. An induction coil is placed around the fusion pipe socket. Radiated electromagnetic energy heats the susceptor layer to melt at least a portion of the susceptor layer, at least a portion of the fusion pipe ring, at least a portion of the fusion pipe socket, and at least a portion of the pipe. The fusion pipe ring is further screwed in to compress the molten material. The joint is then cooled to solidify the molten material.

Abstract: A fluid transfer assembly for transporting medicinal substances. The fluid transfer assembly includes flexible tubes and a manifold each comprising silicone. The manifold has an inner protrusion and connector portions having inner walls. Free ends of the tubes are inserted into complementary configured inner walls of the connector portions until each of the free ends abut the inner protrusion, which creates a continuous uninterrupted passageway between the inner bores of the tubes through the manifold.

Abstract: A structural component with a tubular section, particularly a structural component of a fluid line, has at least two materials with different stiffness and/or creeping strength, wherein the materials include thermoplastic synthetic materials and wherein the material having the greater stiffness and/or creeping strength is embedded in the other material. The tubular section has a continuous annular surface which extends coaxially with the longitudinal center axis of the structural component and has the same material which has been injection molded over the annular surface in a predetermined quantity ratio relative to the outer material, or between 40% and 100% of the annular surface are composed of the same injection molded material and are distributed in uniform spacings in circumferential direction of the annular surface.

Abstract: A barbed fitting tubing assembly utilizes a thermoplastic tube which is pressed onto a barbed thermoplastic fitting of a device, for example, such as a filter. A thermoplastic sleeve is molded over the tubing where it engages the barbed fitting as well as the end of the fitting where it connects to the device such that the overmolded sleeve engages in an over-mold groove in the fitting so that it is form-locked in position. The tubing, the barbed fitting and the overmolded thermoplastic sleeve are all made of a thermoplastic material and the overmolded thermoplastic sleeve is installed such that such that at least one of a cross-linked chemical bond or a physical mechanical interlocked connection is formed to provide a leak-proof connection.

Abstract: The invention relates to a device (10) and a method for connecting a fluid-conducting channel (30) to a component (12), wherein the channel (30), at least one end having an inner cross-section (34), is arranged in a sealing manner on a first part (16) of the component (12), said first part being provided with a bore (26) for conveying the fluid further, and is fixed with respect to said component. For improved connection, it is provided that the component (12) is additionally provided with a second part (18) surrounding the first part (16), and the end of the channel (30) is arranged in a ring space (20) formed between the first part (16) and the second part (18) and is fixed by means of an adhesive (40) at least partly filling in the ring space (20).

Abstract: Connector for a fluid line, a fluid line and a method of forming a fluid line. The connector includes a housing having an outlet opening through which at least one auxiliary element is guidable out of the housing, a pipe connection connectable to a pipe, a connection geometry connectable to a counter element, and an elastomeric body structured and arranged so that the at least one auxiliary element is guidable therethrough in a passage direction. The elastomeric body is structured so that, in the event of an application of pressure parallel to the passage direction, the elastomeric body expands perpendicularly to the passage direction.

Abstract: A composite torque pipe to metal fitting joint including concentric inner and outer shells formed with respective smooth conical surfaces projecting distally and respectively tapered radially inwardly and radially outwardly to form an annulus expanding in thickness for receipt of a tapered connector ring complementally shaped at one end of a composite pipe and bonded along the interface. The present invention includes selecting the sleeves with the corresponding shells and, forming the torque pipe with the tapered ring and bonding the tapered ring in the annulus.

Abstract: A first element is connected to a first end of the connecting piece and a second element is connected to a second end of the connecting piece. At least one end of the connecting piece is provided with a thread, whereby the connecting piece is connectable for instance to a pipe or fitting with threaded connection. The connecting piece may be made of plastic, for example, the connecting piece is made substantially completely of thermoplast in such a way that the thermoplastic body is provided with a thread. The outer surface of the connecting piece is provided with a gripping member. The gripping member is formed and dimensioned such that it gives way earlier than the connecting member thread and/or basic structure.

Abstract: A method and apparatus comprises a first section, a second section, and a middle section. The first section is configured to be connected to a first structure. The second section is configured to be connected to a second structure. The first structure and the second structure are connected to each other at a joint. The middle section is located between the first section and the second section. The middle section has a length that is configured to change in response to a movement between the first structure and the second structure. The first section, the middle section, and the second section form a cover that is configured to form a seal for the joint.

Abstract: A device and method for the protection of a first member and second member from corrosion by utilizing a connector that bonds the members without allowing direct contact of the members.

Abstract: Roll grooved pipe fittings useful in the assembly of a variety of mechanically joined piping systems. These pipe fittings are roll grooved so that they can be mechanically joined directly with other like pipe fittings and/or with roll grooved straight pipe thereby substantially simplifying assembly. In addition, hybrid pipe fittings and systems are also disclosed. Methods and apparatus for manufacturing these aforementioned roll grooved pipe fittings are also disclosed and address both the roll grooving process itself, as well as various methodology and apparatus for correcting deformations that can occur as a result of the roll grooving process. Methods for using the aforementioned apparatus are also disclosed.

Abstract: A connecting profile for binding water sealing paste to a structure at an edge of a zone to be protected by wet sealing. The connecting profile is adapted to be attached tightly to the structure and that the installed connecting profile comprises or forms together with the structure at least one groove which is adapted to receive water sealing paste applied on the connecting profile. Also provided is the structure, for example a floor drain, that has the connecting profile and a method for attaching water sealing paste on the connecting profile or on the structure.

Abstract: A connector for a flow managing device in fluid communication with an outlet conduit is disclosed. The connector can comprise a receiving member, an engaging member, and an adapter. The receiving member can be secured to the adapter, which can be secured to a side wall of a basin near an outlet coupled to the outlet conduit. The adapter can comprise a curvature plate having a curvature that complements a curvature of the side wall. The adapter can further comprise an adapter bore through the curvature plate and an adapter conduit extending from the curvature plate and at least partially overlapping the adapter bore. The flow managing apparatus can be secured to the engaging member, which can be engaged with the receiving member. Fluid from the basin can flow through the flow managing device, the engaging member, the receiving member, and the adapter and into the outlet conduit.

Abstract: A coupling component (60,30) having a first end (61,71) and a second end (66,76), said component having a longitudinal axis between the first end and the second end, the first end of the component comprising a first tubular portion (62,71) having a first internal diameter adapted to form a sliding fit with a first pipe section, and a first sealing means adapted such that the first end can be sealed in use to the first pipe section; the second end having a second diameter or cross-sectional area which is larger than the first diameter and wherein the second end incorporates a flange (67,77), wherein at least part of the face of said flange is in a plane substantially non-perpendicular to, or offset from, the longitudinal axis of the component.

Abstract: The invention is a pipe joint for joining pipes composed of materials that are difficult to adhere. The major elements are an extrudable adhesive; a first pipe having a socket with an inside diameter, where said socket has a mouth, a self-centering bottom with a gasket, a cylindrical wall with a plurality of ports, and an inner annular channel. A second pipe has an insertion section with an squared-off end and a rolled groove. The second pipe having an outside diameter that is less than the inside diameter of the socket, where the difference defines a coaxial cavity with a width. The rolled groove serves as a distribution channel while the adhesive is a liquid, and upon curing the solid adhesive functions as a retaining ring. A flanged annular ring, potentially aided by a compression apparatus, caps the cavity, centers the insertion section, and maintains compression. The adhesive includes alkyl-borane-adhesives.

Abstract: It is the object of the present invention a thermoplastic element for the protection against corrosion in the thermofused splicing of a thermoplastic tube to a thermoplastic connection, which element has the shape of a fully thermoplastic tubular sleeve, able to be introduced into a socket mouth formed by the expansion of the tube end, said splice element bearing only one internal diameter and two external diameters which define a cylindrical external portion of larger diameter and a tubular projection which diameter is smaller than the former, and which is introduced into the thermoplastic tube, a lateral wall of the external portion defining a front butt of said thermoplastic element against the end of the thermoplastic tube. Said splicing element also exhibits an auxiliary ring which operates as a reference point for the assembly thereof.

Abstract: A metallurgically formed fluid circuit joint includes a hollow fitting (298), a tubular conduit (297), and a metallurgically formed tube/fitting mesh (296). The tube/fitting mesh (296) includes a fitting portion of the hollow fitting (298) and a tube portion of the tubular conduit (297) that is electromagnetically formed with the fitting portion.

Abstract: A joint part including a welding portion with a rim of an opening of a fuel resin tank as well as a high barrier property on its interface. The joint part has a multi-layer structure including a barrier layer and at least one of an inner layer and an outer layer coaxially laminated on an inner periphery and/or an outer periphery of the barrier layer, respectively, wherein the barrier layer is formed by a compound material composed of one or more of fuel permeation-resistant resin, such as ethylene vinyl alcohol copolymer, polyamide polyester or liquid crystal polymer, and polyethylene, while the inner layer and the outer layer are composed of high-density polyethylene or modified high-density polyethylene.

Abstract: A connection structure is provided for connecting heat exchangers (11, 12) to each other for exchanging heat between a first fluid flowing in body parts (13, 14) and a second fluid flowing in heat transfer pipes (15, 16) disposed in the body parts (13, 14). The connection structure includes connection holes (17, 18) provided in the body parts (13, 14) of the heat exchangers (11, 12) and a press-formable connection member (19), connected to the outer surfaces of the body parts (13, 14) for fluidly coupling the connecting holes (17, 18) so that the body parts (13, 14) are allowed to communicate with each other.

Abstract: A flange structure (10?) for a fuel supply unit of a vehicle includes at least one electrically conductive fuel port (16?) having first and second ends (22, 24) and features (25, 26) defining a channel (28) about a periphery thereof. An elastomer seal (30) is disposed in the channel. A plastic flange (20?) is overmolded on at least a portion of the fuel port between the first and second ends and on at least a portion of the elastomer seal, with the elastomer seal defining a barrier preventing fuel or fuel vapor from passing between the periphery of the fuel port and the overmolded flange.

Abstract: A part for connecting a fluid line to an opening of a container comprised of thermoplastic material or for closing the opening of the container has a first component and a second component of thermoplastic material. The first component has a surface to be connected to the container by forming a welded heat fusion joint. The first component has an insufficient diffusion barrier capability relative to hydrocarbon fuel. Compared to the material of the first component, the material of the second component has higher diffusion barrier capability, reduced swelling capability relative hydrocarbon fuel, higher mechanical strength, and higher thermal shape stability. The first component encloses the second component at least up to an injection location remote from the connecting surface. The material of the second component is injected into the still formable core of the material of the first component via the injection location.