Abstract: This invention relates to pump-action nozzle devices methods of making the same. The nozzle devices of the invention comprises a body which defines an internal chamber having an inlet through which fluid may be drawn into said chamber and an outlet through which fluid present in the chamber may be expelled from the nozzle. The inlet comprises an inlet valve and the outlet comprises an outlet valve. Fluid is dispensed from the dispenser nozzles by applying pressure to an actuator member that engages and resiliently deforms or displaces a portion of the body of the device that defines the chamber, thereby compressing the chamber and actuating the dispensing of fluid. In preferred embodiments, the actuator provides a rigid actuator surface that an operator can apply a pressure to.

Abstract: This invention relates to pump-action nozzle devices and methods of making the same. The dispenser nozzles of the invention comprises a body which defines an internal chamber having an inlet through which fluid may be drawn into said chamber and an outlet through which fluid present in the chamber may be expelled from the nozzle. The inlet comprises an inlet valve and the outlet comprises an outlet valve. Fluid is dispensed from the dispenser nozzles by pulling the trigger handle of a trigger actuator to resiliently deform or displace a portion of the body of the device that defines the chamber, thereby compressing the chamber and actuating the dispensing of fluid. In preferred embodiments, the outlet comprises an outlet passageway that extends from the chamber to an outlet orifice. One or more spray-modifying features are preferably formed within the outlet passageway.

Abstract: A nozzle arrangement adapted to be fitted to a pressurized vessel and to permit fluid to be dispensed through it under pressure, is presented. The nozzle arrangement includes a body having an inlet, an outlet, an internal fluid flow passageway through which fluid can flow from the inlet to the outlet, and an actuator portion adapted, upon operation, to engage and open an outlet valve of the pressurized vessel. The nozzle arrangement further includes a resiliently deformable wall member that undergoes a resilient deformation from an initial resiliently-biased configuration to a distended configuration in response to the operation of the actuator portion, and to revert to the initial resiliently-biased configuration when the operation of the actuator portion has ceased and cause any fluid remaining in the passageway to be expelled.

Abstract: An atomising nozzle (10) has an inlet (16), an outlet orifice (21) and an internal fluid flow passageway (20) which connects the inlet (16) to the outlet orifice (21). The nozzle (10) has a body with two component parts (12A, 12B) each component part having an abutment surface (22, 24) which contacts a corresponding abutment surface on the other of the parts. At least one of the abutment surfaces has at least one groove and/or recess (26a-34a; 26b-34b) therein to define part of the fluid flow passageway (20), including an expansion chamber (28). The body has a fixed partition means (44) which extends into the expansion chamber (28) to define one or more than one constricted openings (48) through which fluid is constrained to flow.

Abstract: A valve (338) has a body (312, 314) a fluid inlet (378), a fluid outlet (399) and a bore (362) defined in the body and which forms at least part of a fluid passage from the inlet to the outlet. The valve also has a movable valve member (366) with a resiliency flexible diaphragm portion (370) and a valve bore closure portion (374) mounted to the diaphragm for movement therewith. The flexible diaphragm portion (370) is movable in a valve opening direction from an initial resiliently biased configuration (as shown), in which the valve bore closure portion (374) closes the bore (362), to a valve open configuration in which the valve bore closure portion (374) does not close the bore and a fluid flow path through the bore from the inlet to the outlet is established.

Abstract: A dispenser device for liquors, pastes or foams and the like fluid materials comprises a reservoir (10) for fluid material, an outlet (12) for said reservoir and an outlet passage (18) to connect the reservoir outlet with an outlet orifice (19) of the device. Means (21) defining a post-expansion chamber are provided between the reservoir outlet and said outlet orifice to prevent material from escaping from the outlet after use. The post-expansion chamber is configured to increase in size once actuation of the device has stopped.

Abstract: A pump engine or unit for pump-action fluid dispenser has a fluid storage chamber (16), a final fluid outlet nozzle and a manually actuated pump for delivering fluid from the fluid storage chamber to the outlet under pressure. The engine has a body comprising two parts (48, 50) which define between them the fluid storage chamber and least one chamber (64) of the pump. The fluid storage chamber is defined between opposing wall portions (52, 54) of the two parts of the body and at least one of the opposing wall portions (54) is flexible and is configured to conform closely to the contour of the other of the opposing wall portions (52), at least when the fluid storage chamber is empty.

Abstract: A nozzle arrangement includes a chamber (204) having a plurality of divergent inlet orifices (203) which are directed towards opposed walls (205) or sidewalls (206) of the chamber (204).

Abstract: The present invention relates to improvements in or relating to a nozzle arrangement. Th nozzle arrangement of the present invention are adapted to be fitted to a container and actuate the release of the contents stored in the container. The nozzle arrangement has a body (101) which comprises an outlet through which, in use, fluid is ejected from the nozzle arrangement and is formed from at least a first part (102) and a second part (103), the first part having an inlet (120) through which the contents of the container admit fluid into the nozzle arrangement during use and an abutment surface (105) which contact an abutment surface (106) of the second part. The abutment surface (105,106) of the first and second parts define a fluid flow passageway (122,123) therebetween, which connects the inlet (120) to the outlet (124), as well as a seal that is adapted to contain any fluid that leaks from the inlet and/or at least a portion of the fluid flow passage (122,123) during use.

Abstract: A nozzle arrangement has a swirl chamber (310) with at least one fluid inlet (312, 314). The inlet is configured to direct fluid into the chamber non-tangentially to the surface of the chamber. Where there are two or more inlets, one of the inlets may have a larger cross-sectional area than the other. Also disclosed are nozzle arrangements having swirl chambers in which the inlets are arranged counter-tangentially, and nozzle arrangements having a swirl chamber whose surface curves longitudinally of the chamber as well as laterally.

Abstract: This invention relates to pump-action nozzle devices methods of making the same. The nozzle devices of the invention comprises a body which defines an internal chamber having an inlet through which fluid may be drawn into said chamber and an outlet through which fluid present in the chamber may be expelled from the nozzle. The inlet comprises an inlet valve and the outlet comprises an outlet valve. Fluid is dispensed from the dispenser nozzles by applying pressure to an actuator member that engages and resiliently deforms or displaces a portion of the body of the device that defines the chamber, thereby compressing the chamber and actuating the dispensing of fluid. In preferred embodiments, the actuator provides a rigid actuator surface that an operator can apply a pressure to.

Abstract: This invention relates to pump-action nozzle devices and methods of making the same. The dispenser nozzles of the invention comprises a body which defines an internal chamber having an inlet through which fluid may be drawn into said chamber and an outlet through which fluid present in the chamber may be expelled from the nozzle. The inlet comprises an inlet valve and the outlet comprises an outlet valve. Fluid is dispensed from the dispenser nozzles by pulling the trigger handle of a trigger actuator to resiliently deform or displace a portion of the body of the device that defines the chamber, thereby compressing the chamber and actuating the dispensing of fluid. In preferred embodiments, the outlet comprises an outlet passageway that extends from the chamber to an outlet orifice. One or more spray-modifying features are preferably formed within the outlet passageway.

Abstract: A nozzle arrangement adapted to be fitted to a pressurized vessel and to permit fluid to be dispensed through it under pressure, is presented. The nozzle arrangement includes a body having an inlet, an outlet, an internal fluid flow passageway through which fluid can flow from the inlet to the outlet, and an actuator portion adapted, upon operation, to engage and open an outlet valve of the pressurized vessel. The nozzle arrangement further includes a resiliently deformable wall member that undergoes a resilient deformation from an initial resiliently-biased configuration to a distended configuration in response to the operation of the actuator portion, and to revert to the initial resiliently-biased configuration when the operation of the actuator portion has ceased and cause any fluid remaining in the passageway to be expelled.

Abstract: A nozzle arrangement which is suitable for use in the generation of a spray or aerosol and which is adapted for connection to a fluid supply, the nozzle arrangement including a fluid inlet through which fluid enters the arrangement from the fluid supply and fluid outlet through which the fluid is ejected from the nozzle arrangement, fluid inlet and fluid outlet being connected to a fluid flow passage through which, in use, fluid flows from the inlet to the outlet, wherein the nozzle arrangement includes control means provided in the passage which, in use, acts to modify the flow characteristics of the fluid in the fluid flow passage to effectively control fluid droplet size produced in the spray or aerosol by the nozzle arrangement.

Abstract: An improved spray through cap assembly (10) comprises separable base (11) and cover parts (13). The base part includes a hollow actuator (17) which is adapted to cooperate with an outlet of an aerosol or the like. The actuator is linked to a fluid flow channel (19) formed by correspond recesses in the base and cover parts, respectively, and a nozzle outlet (20). Depressing the cover part causes the actuator to actuate the outlet and causes the contents of the aerosol to be discharged through the nozzle outlet via the fluid flow channel. In order prevent accidental discharge, in one embodiment, the base part includes a projecting lip (22) and the cover part includes a nose (21), the lip and nose cooperating in an inoperative position to prevent the actuator actuating the outlet. In a further embodiment, the cover part is formed from two separable parts and the fluid flow channel and nozzle outlet are formed by corresponding recesses in the parts of the cover parts.

Abstract: A method of manufacturing a split nozzle arrangement includes injecting a mixture of a plastic base material and a foaming or blowing agent into a mold of the nozzle arrangement, allowing the plastic base material to set or harden and subsequently removing the final molded nozzle arrangement from the mold. The foaming or blowing agent produces bubbles or pockets of gas in the plastic base material and thus forms a final molded article in which at least 90% of the bubbles or pockets of gas have a maximum dimension of 0.5 millimeters or less. The plastic base material can be, for example, a thermoplastic material and the foaming or blowing agent can be, for example, a mixture of bicarbonate of soda and acetic acid.

Abstract: A hollow body having a nozzle opening (19) to discharge fluid as a jet or spray; the body comprising a first part having an inlet (12a) to admit fluid under pressure into the first part, and a second part (16) movable relative to the first part and said first and second parts are relatively movable from an abutting position in which they define therebetween the nozzle opening and a fluid feed passage (18) in the body and leading to the nozzle opening, and a cleaning position in which the fluid feed passage is split open longitudinally and the nozzle opening is split open to expose the nozzle and passage defining surfaces of said parts, for cleaning.

Abstract: A hollow body having a nozzle opening to discharge fluid as a jet or spray; the body comprising a first part having an inlet to admit fluid under pressure into the first part, and a second part movable relative to the first part and said first and second parts are relatively movable from an abutting position in which they define therebetween the nozzle opening and a fluid feed passage in the body and leading to the nozzle opening, and a cleaning position in which the fluid feed passage is split open longitudinally and the nozzle opening is split open to expose the nozzle and passage defining and abutting surfaces of said parts, for cleaning.

Abstract: A self-unblocking spray nozzle 10,11 in which an easily removable insert 12 is automatically moved by fluid pressure to form a spray orifice 26, and expands resiliently when the fluid pressure is interrupted. The insert 12 may include swirl vanes 33 to rotate the fluid, and may operate with a static member 14 to form an automatic anti-drip valve.