Abstract: A quick connector coupling for making a severable connection with a male member in a fluid line includes a connector body having a through bore for receiving the male member having a tubular shape sized to extend into the through bore of the connector body, a retainer releasably securing the male member within the connector body, and a verifier including at least one arm extending outside the connector body. Further, the verifier is coupled to the connector body and is moved to a latched position from an unlatched position when the male member is securely connected with the connector body. The connector body includes at least one verification element, which is at least partially covered by the at least one arm extending from the verifier in the unlatched position. The verification element of the connector body is uncovered and readable when the verifier is moved to the latched position.

Abstract: A coupling connector has a coupling body as well as a plug lock. The plug lock comprises a retainer and a verifier, wherein the plug lock can be inserted into the coupling body in a radial direction. The verifier has two legs and a back, wherein the ends of the legs facing away from the back are allocated to a bottom of the coupling body. If a coupling plug is inserted into the coupling connector, the plug lock is automatically transferred from a disengaged position into an engaged position. The coupling connector is designed in such a way that bottom-side ends of the legs retain their distance to each other while being deflected by the coupling plug.

Abstract: A coupling bushing includes a bushing body and a retainer for locking a coupling plug into the bushing body. The bushing body has a connecting section and a coupling section, wherein the connecting section and the coupling section are fluidically connected with each other via an inner channel. A bushing valve is arranged in the inner channel (8), wherein the bushing valve (10a) comprises a valve holder, an axially movable valve body and a valve seat. The retainer has at least one latching element, wherein the at least one latching element has a resiliently elastic design. The at least one latching element is designed to engage with a coupling plug.

Abstract: A medical light (100) has an illumination unit (10) having lighting means (20) and optical means (30) for generating a light field (200), wherein the lighting means (20) are formed by an essentially punctiform LED light source (21) and the optical means (30) have a plate-shaped collimator (40) and a cover pane (50). The collimator (40) has a central area (42), which is provided with light-refracting structures (43) on a side facing away from the LED light source (21), and an outer area (46), which is provided with structures (48) designed for total reflection on a side facing toward the LED light source (21), wherein the cover pane (50) is provided with a lens structure, which has a plurality of individual lenses which each project the light emitted by the collimator (40) onto the object plane.

Abstract: 1. A medical light (100) has an illumination unit (10) having lighting means (20) and optical means (30) for generating a light field (200), wherein the lighting means (20) are formed by an essentially punctiform LED light source (21) and the optical means (30) have a plate-shaped collimator (40) and a cover pane (50). The collimator (40) has a central area (42), which is provided with light-refracting structures (43) on a side facing away from the LED light source (21), and an outer area (46), which is provided with structures (48) designed for total reflection on a side facing toward the LED light source (21), wherein the cover pane (50) is provided with a lens structure, which has a plurality of individual lenses which each project the light emitted by the collimator (40) onto the object plane.

Abstract: A multilayer motor vehicle pipeline, wherein at least one barrier layer comprised of at least one material from the group “butene diol-vinyl alcohol copolymer (BVOH), polyvinyl alcohol (PVOH), polymer blend with BVOH, polymer blend with PVOH” is provided. At least one outer layer made of plastic is arranged on the exterior side of the barrier layer.

Abstract: Multilayer motor vehicle temperature control tube for fluid temperature control media, with the tube having at least three layers. Going from the outside to the inside, the layer structure comprises an outer layer of polyethylene or of a thermoplastic vulcanizate (TPV), an intermediate layer of polypropylene (PP) and an inner layer of polyethylene or of a thermoplastic vulcanizate (TPV). The total layer thickness of the tube is 0.7 to 2.5 mm.

Abstract: Multilayer motor vehicle tube for conducting at least one fluid medium, wherein the tube comprises a fluid duct and a tube wall that surrounds the fluid duct. The tube wall is multilayered and comprises at least three layers, specifically having the following layer composition. An external layer is provided that consists of at least one polyamide, in particular of at least one aliphatic polyamide. Furthermore, an adhesion-promoting layer is provided and an internal layer consisting of at least one thermoplastic elastomer. At least one barrier layer is also provided that consists of at least 96% by weight of polypropylene. The overall layer thickness d of the tube wall is from 0.3 to 3.0 mm.

Abstract: A quick connector for connection to a complementary counterpart comprises a coupling piece and a retainer for a section of a fluid having a coupling center axis defining an axial direction AD, a radial direction RD and a circumferential direction CD. The retainer is allocated to the coupling end, wherein the retainer has at least one retaining element for retaining the counterpart and at least one actuating element for opening the retainer for pulling the counterpart out of the coupling piece. The coupling piece comprises a first flange at the coupling end, wherein the first flange has a flange opening so as to insert a tool into the flange opening so that the tool can exert a force on the retainer and the actuating element, respectively. The flange opening has an outer border, wherein the outer border lies in radial direction RD outward of the flange opening.

Abstract: A first plastic recyclate is used for a tube of a land vehicle, in particular of a road vehicle. The tube comprises a first layer and a second layer, wherein the first layer and the second layer abut against each other. The first layer has the first plastic recyclate, wherein the second layer comprises a first virgin plastic. The first plastic recyclate and the first virgin plastic belong to the same plastic species, for example to the plastic species of polyamides or the plastic species of polyolefins.

Abstract: A coupling connector has a coupling body as well as a plug lock. The plug lock comprises a retainer and a verifier, wherein the plug lock can be inserted into the coupling body in a radial direction. The verifier has two legs and a back, wherein the ends of the legs facing away from the back are allocated to a bottom of the coupling body. If a coupling plug is inserted into the coupling connector, the plug lock is automatically transferred from a disengaged position into an engaged position. The coupling connector is designed in such a way that bottom-side ends of the legs retain their distance to each other while being deflected by the coupling plug.

Abstract: Multilayer motor vehicle tube for conducting at least one fluid medium, wherein the tube comprises a fluid duct and a tube wall that surrounds the fluid duct. The tube wall is multilayered and comprises at least three layers, specifically having the following layer composition. An external layer is provided that consists of at least one polyamide, in particular of at least one aliphatic polyamide. Furthermore, an adhesion-promoting layer is provided and an internal layer consisting of at least one thermoplastic elastomer. At least one barrier layer is also provided that consists of at least 96% by weight of polypropylene. The overall layer thickness d of the tube wall is from 0.3 to 3.0 mm.

Abstract: A quick connector coupling for making a severable connection with a male member in a fluid line includes a connector body having a through bore for receiving the male member having a tubular shape sized to extend into the through bore of the connector body, a retainer releasably securing the male member within the connector body, and a verifier including at least one arm extending outside the connector body. Further, the verifier is coupled to the connector body and is moved to a latched position from an unlatched position when the male member is securely connected with the connector body. The connector body includes at least one verification element, which is at least partially covered by the at least one arm extending from the verifier in the unlatched position. The verification element of the connector body is uncovered and readable when the verifier is moved to the latched position.

Abstract: A tube and use of a tube for guiding hydrogen, preferably in a vehicle. The tube encloses a lumen and comprises several layers, wherein the layers of the tube includes at least two barrier layers. An inner barrier layer comprises a first plastic, and an outer barrier layer comprises a second plastic. The barrier layers are separated from each other by a separating layer, and the tube has a supporting layer enclosed by the inner barrier layer. The first plastic is a vinyl alcohol plastic, and the second plastic is a vinyl alcohol plastic.

Abstract: Multilayer motor vehicle tube for conducting at least one fluid medium, wherein the tube comprises a fluid duct and a tube wall that surrounds the fluid duct. The tube wall is multilayered and comprises at least three layers, specifically having the following layer composition. An external layer is provided that consists of at least one polyamide, in particular of at least one aliphatic polyamide. Furthermore, an adhesion-promoting layer is provided and an internal layer consisting of at least one thermoplastic elastomer. The overall layer thickness d of the tube wall is from 0.3 to 3.0 mm.

Abstract: A coupling bushing includes a bushing body and a retainer for locking a coupling plug into the bushing body. The bushing body has a connecting section and a coupling section, wherein the connecting section and the coupling section are fluidically connected with each other via an inner channel. A bushing valve is arranged in the inner channel (8), wherein the bushing valve (10a) comprises a valve holder, an axially movable valve body and a valve seat. The retainer has at least one latching element, wherein the at least one latching element has a resiliently elastic design. The at least one latching element is designed to engage with a coupling plug.

Abstract: Multilayer motor vehicle temperature control tube for fluid temperature control media, with the tube having at least three layers. Going from the outside to the inside, the layer structure comprises an outer layer of polyethylene or of a thermoplastic vulcanizate (TPV), an intermediate layer of polypropylene (PP) and an inner layer of polyethylene or of a thermoplastic vulcanizate (TPV). The total layer thickness of the tube is 0.7 to 2.5 mm.

Abstract: A motor vehicle fluid line for conducting at least one fluid medium, in particular for conducting urea solutions for SCR catalytic converter systems, at least one fluid-carrying pipe and at least one fluid-carrying connector that is connected to the pipe being provided. The pipe comprises a fluid-carrying outer line and a fluid-carrying inner line that is received in the outer line over at least part of its length L. The connector comprises a first connecting branch that is in fluid communication with the outer line, and comprises a second connecting branch that is in fluid communication with the inner line.

Abstract: Tube fastening unit of at least one fastening clip and at least one motor vehicle tube fastened to the fastening clip. The motor vehicle tube has an outer surface made of plastic, which is welded with the fastening clip. The fastening clip has at least one welding element, which at least partially consists of a weldable plastic which is welded with the outer surface of the tube. The welding element is positively and/or non-positively fastened to the fastening clip.

Abstract: A connector for connection between two fluid-conveying elements, in particular for connection between two motor vehicle pipes, with a female plug-in part and a male plug-in part which is insertable into the female plug-in part. A retainer is connected to the female plug-in part, the retainer allowing the male plug-in part to be fixed, in the inserted state, to the female plug-in part. The retainer may be pivoted from an open position to a fixing position—and vice versa—about a pivot axis arranged in the region of the outer surface of the female plug-in part.