A rotary atomiser bell cup comprising a bell portion 5 for spraying media in use and a hub portion 6 via which the bell portion 5 is rotatingly drivable in use, wherein the hub portion 6 is a machined metal portion and the bell portion 5 has been built up on the hub using an additive manufacturing process.

A material dispense tip includes an elongated hole in an elongated neck that extends from an input end of the neck to an output end of the neck. The hole at the output end of the neck has a first diameter. The output end of the neck is positioned against a die surface. A punch is inserted into the hole at the input end of the neck. An external force is applied to the neck to cause the output end of the neck to be deformed under compression by the die surface, to reduce the diameter of the hole at the output end of the neck from the first diameter to a second diameter that is less than the first diameter.

A method of fabricating a fuel injector nozzle comprising the steps of: (a) forming a first microstructured pattern in a first material; (b) replicating the first microstructured pattern in a second material to make a first mold comprising a second microstructured pattern in the second material; (c) replicating the second microstructured pattern in a third material to make a second mold comprising a third microstructured pattern comprising a plurality of microstructures in the third material; (d) replicating the third microstructured pattern in a metal material to make a replicated structure; and (e) removing the third material resulting in a nozzle having a plurality of through-holes through the metal material and corresponding to the plurality of microstructures in the third microstructured pattern. Each of the plurality of through-holes has a hole wall connecting a hole entry to a hole exit, and the hole wall of at least one through-hole has a side that curves from its hole entry to its hole exit.

Methods of making nozzles are disclosed. More specifically, methods of making nozzles that may be used as components of a fuel injection system are disclosed.

Thermal spray gun (1) and/or nozzle (120) includes a nozzle body and a liner material (123) arranged within the nozzle body. A material of the nozzle body has a lower melting temperature than that of the liner material (123). A wall thickness (C) of the liner material (123) has a value determined in relation to or that corresponds to a wall thickness (D) of the nozzle body. Alternatively or additionally, a ratio of a total wall thickness of a portion of a nozzle (120) to that of a wall thickness (C) of the liner material (123) has a value determined in relation to or that corresponds to the wall thickness (C) of liner material (123).

A fuel injector nozzle comprising a plurality of holes formed therethrough connecting one side of the nozzle with an opposite side of the nozzle. Each of the holes comprises a hole entry on the one side of the nozzle having a first shape, a hole exit on the opposite side of the nozzle having a second shape, and a hole wall connecting the hole entry to the hole exit. The hole exit is smaller than the hole entry, and the hole wall comprises a side that is continuously curved from the hole entry to the hole exit.

A method of fabricating a nozzle that includes casting and curing a first material using a patterned nip roller to form a first microstructured pattern of discrete microstructures, deforming at least one of the discrete microstructures; replicating the first microstructured pattern, including the at least one deformed discrete microstructure, in a second material different than the first material to make a replicated structure comprising a plurality of blind holes formed in the second material, removing second material of the replicated structure to expose tops of microstructures in the first microstructured pattern, and removing the first material from the replicated structure, resulting in a nozzle having a plurality of through-holes in the second material and corresponding to the first microstructured pattern.

A neck hole of a dispense tip is formed through a length of a body from an input end to an output end. An inlet hole is formed at a distal end of the neck hole, the inlet hole having a first inner diameter. An outlet hole is formed at a distal end of the inlet hole, the outlet hole having a second inner diameter less than the first. A first inner taper transitions the inlet hole from the first inner diameter to the second inner diameter. An outer taper is formed having a width that decreases along a longitudinal axis of the length of the neck hole at a distalmost end. The width of the outer taper is reduced at the distalmost end at the output end of the body of material from a first outer width to a second outer width less than the first outer width.

A coating device for coating a medical device with a drug-eluting material uses an in-process drying station between coats to improve a drug release profile. The drying station includes a heat nozzle configured for applying a uniform drying gas. A coating process using the dryer includes a closed-loop control for the gas between drying steps and an improved nozzle for producing more consistent spray patterns.

A system for sealing a plurality of orifices through a wall of a vessel is provided. The system includes a plurality of sealing members configured to releasably seal respective orifices of the plurality of orifices. The system also includes a base defining a central axis therethrough. The base includes a plurality of segments disposed about the central axis. Each of the plurality of segments includes an outer surface and an inner surface. The inner surface is configured to engage at least one sealing member of the plurality of sealing members. Further, each segment of the plurality of segments is configured to deform toward the central axis on application of a force upon the outer surface thereof to bias the at least one sealing member into sealing engagement with a respective orifice of the plurality of orifices.