The invention relates to a thermoplastic molded part able to constitute a duct of an aerial vehicle or space vehicle, to a method of manufacturing same, and to this duct which comprises said part. For example, provided is a part according to the invention, which has an external surface (2) with symmetry of revolution at least in part, is such that the external surface comprises a multitude of integrally molded depressions (6) which are connected to one another in pairs by crests (7), and that: each of the depressions has a largest transverse dimension D between the adjacently paired crests of between 3 mm and 10 mm, measured in a direction d perpendicular to the crests delimiting each depression, and each of the crests has an apex of transverse width L measured in said direction d, where L<D.

A plumbing trap assembly for integrating a plumbing trap into a variety of plumbing geometries includes a plumbing trap that has an inlet and an outlet for plumbing into an existing sewer system of a building. The plumbing trap is curved between the inlet and the outlet to trap water for inhibiting back flow of sewer gasses through the plumbing trap. The plumbing trap has a plurality of threaded sections thereon. The threaded sections are spaced apart from other thereby facilitating the plumbing trap to be cut between a selected pair of the threaded sections. In this way the plumbing trap has an adjustable length to facilitate the plumbing trap to be integrated into a variety of plumbing geometries.

The present disclosure generally relates to flexible drainage trap assemblies and methods for constructing and installing such drainage traps. In one exemplary embodiment, a flexible drainage trap assembly includes a plumbing fixture connector, a discharge joint, and a trap portion connecting the plumbing fixture connector and discharge joint. The trap portion is shaped in such a way that it is operable to retain a pool of water inside the trap portion. The disclosed flexibly: drainage assemblies include a flexible portion that has a substantially smooth inner surface.

The present disclosure generally relates to flexible drainage trap assemblies and methods for constructing and installing such drainage traps. In one exemplary embodiment, a flexible drainage trap assembly includes a plumbing fixture connector, a discharge joint, and a trap portion connecting the plumbing fixture connector and discharge joint. The trap portion is shaped in such a way that it is operable to retain a pool of water inside the trap portion. The disclosed flexible drainage assemblies include a flexible portion that has a substantially smooth inner surface.

A gooseneck pipe includes a first pipe half having a first radiused centerline curve, and a second pipe half fixed to the first pipe half and having a second radiused centerline curve. The first and second pipe halves define a flow path. Cross-sectional diameters of the first and second pipe halves vary along the flow path. The varying diameters of the first and second pipe halves serve to mitigate pressure losses due in part to Dean vortices or secondary flow patterns in the flow path when a fluid is turned in the gooseneck pipe.

The invention relates to a thermoplastic elastomeric bellow duct (10) having a corrugated duct segment (12) interposed between two elbowed segments (14, 18), wherein at least one of the elbowed segments (18) is made of thermoplastic elastomeric and connected to an end section (22) of the corrugated duct segment (12) by overmolding the elbowed segment (18) over the end section (22) of the corrugated duct segment (12), and wherein the end section (22) of the corrugated duct segment (12) includes a guiding and sealing arrangement (50) pointing away from the corrugated duct segment (12) in a radial direction (32). The invention further relates to an air duct (80) having such a thermoplastic elastomeric bellow duct (10).

The present invention is a duct assembly having a duct connector for use in ventilation. The duct connector has a lipped portion and a gasket secured to the duct connector. The gasket has a slot to receive the lipped portion of the duct connector.

A duct assembly of the present invention may also have a handle to facilitate manipulation of the duct assembly. The handle also has a back stopper to protect a conduit installed to the duct assembly.

A connector includes a connecting body with a fluid passage at least part way therethrough, and a seal is provided with an outer portion of a fluid tube. A cartridge proximate to the connecting body has a hollow portion therethrough. A grab part has at least one tooth to retain the fluid tube and is between the cartridge and the seal. A demount part within the hollow portion moves the teeth to allow release of the fluid tube. A latch is located on one of the connecting body or a sleeve covering at least part of the cartridge or the connecting body. A mating catch is located on the other of the sleeve or the connecting body, and engagement of the latch with the catch connects the sleeve to the connecting body and helps restrain cartridge movement.

The invention relates to a long tubular pipe comprising an outer tube, an inner fluid-transporting tube mounted in the outer tube, and a separating member designed to transmit bending efforts between said outer tube and said inner tube when said outer tube is bent, the separating member comprising means for the longitudinal passage of fluid between the inner tube and the outer tube, the separating member comprising a first edge and a second edge together defining an assembly slot, the first edge and the second edge respectively comprising a first connecting element and a second connecting element designed to cooperate mechanically on the outer periphery of the inner tube.

A fiber reinforced polymer composite pipe includes first and second ends and defines a central axis running in a longitudinal direction from the first end to the second end, and the pipe including at least one non-linear portion along the central axis between the first end and the second end. A first material extends continuously from the first end to the second end, the first material being a fiber reinforced polymer material comprising fiber reinforcement in a polymer matrix and having an electrical resistivity determined by an electrically conductive fiber reinforcement and/or an electrically conductive additive in the polymer matrix; and a second material arranged at the at least one non-linear portion and extending discontinuously between the first end and the second end, and has an elastic modulus greater than the elastic modulus of the first material in the longitudinal direction.