Abstract: A dispenser (1,1a) provides for filling a dosing chamber (15,15a) by gravity and then emptying it by closing an inlet valve (39,39a), by opening an outlet valve (40,40a) and by shortening the dosing chamber (15,15a) with the assistance of air flow through a discharge port (7,7a) and into a cup (80) which in one embodiment is assembled as part of the dispenser (1a) and which is removable so that its medium contents can be dispensed. Such a dispenser (1,1a) achieves a highly accurate dosing with simple handling and construction.

Abstract: For a medium pump (3) a mountable air pump (4) is provided. The stationary pump body (49) of pump (4) is fixedly connected to a member (8) provided for fixing the medium pump (3) to a reservoir (2). During the operating stroke a pressure chamber (50) of the air pump (4) permanently communicates with the reservoir (2) via the pump casing (15). Thereby pressure equalization is achieved. One and the same medium pump (3) can be provided with or without the air pump (4). When equipped with the air pump (4) the discharge of highly viscous media is significantly facilitated.

Abstract: A dispenser (1) including a reservoir (4), a pump (6) and an atomizing nozzle (17) has on the nozzle (17) a germ barrier (22) in the form of a valve that opens and closes dependent on pressure. A further germ barrier (23) with a filter (54) acting as a seal in the connecting area between reservoir (4) and pump (6) is provided in a venting channel (21). Both units (2, 3) of the device (1), which are actuated against each other, are prevented from being pulled apart by a snap device (50). Germ penetration into the entire dispenser (1) can be effectively prevented.

Abstract: In a device (1) suitable for discharging media or the like at least one springly deformable component (5, 6, 11, 40) consists of a copolymer produced with a co-catalyst such as titanocen, more particularly an ethylene .alpha.-olefine copolymer which may also be improved as regards its resiliency by gamma irradiation.In a spiral spring (26, 39, 49) produced from this or a similar plastics material axially adjacent spiral sections are directly integrally connected to each other not only via the spiral but also along the circumference of the spring.

Abstract: A dispenser for discharging media has a duct (14) including a medium outlet (12), and a dosage carrier (34, 35) mounted on a base body (2) and including receptacles (36, 37) for receiving doses of the medium entirely enclosed in respective reservoir spaces (17), a medium holder (21) disposed beneath the reservoir spaces and adjacent the duct (14) for holding the medium when it is released from one of the reservoir spaces (17), and a device (44, 45) for opening one of the reservoir space (17) to allow the medium to be first deposited in the medium holder (21), and then picked up and conveyed out the medium outlet (12) by a transfer flow through the reservoir space (17).

Abstract: A discharge apparatus for flowable media, comprising a basic body having a central, substantially cylindrical portion having upper and lower ends, the upper end having a spray nozzle and the lower end having actuating and gripping shoulders; a pump unit at least partly received by the basic body, the pump unit having: a piston rod holding a hollow needle projecting therefrom; a pump chamber connectable to a discharge opening via a discharge channel; and, a pump cylinder and a pump piston bounded by the pump chamber, the pump cylinder forming a medium reservoir and the pump piston being displaceably guided in the pump cylinder; an actuating sleeve; a ring-shaped fastening element having at least one breakable material bridge integral with the actuating sleeve and destroyable by an actuating force exerted in the pump stroke direction; the fastening element having an L-shaped cross-section having a bottom portion and a substantially cylindrical jacket portion, the actuating sleeve projecting centrally through an

Abstract: A dispenser (1) has a medium outlet (19) oriented transversely to the actuating direction, and guiding surfaces (54) defined by a nozzle body (52) that is configured integrally with the plunger (27). The guiding surfaces (54) are provided between adjoining circumferential surface areas of the piston stem (65) and the discharge head (12), so that no separate, external nozzle cap is required to provide the desired atomizing spray pattern.

Abstract: A discharge apparatus, or medium dispenser, has an annular contact surface, face or edge for contacting a surface or object to be sprayed by a medium dispensed from a discharge nozzle spaced therefrom. The contact surface, face or edge can, for example, engage the eye socket around the eye of a patient, the eyelids being eccentrically widened by pressure loading. The contact surface, face or edge is located at the end of the jacket of a cap body into which the medium is discharged by the nozzle. The jacket elastically gives way over part of its length by reason of transverse openings on its circumference and/or bottom. The openings permit a locally, precisely defined incidence of light on the area to be sprayed, and provide non-uniform stiffness.

Abstract: A disposable atomizer contains a cylindrical container for a medium to be atomized, particularly a pharmaceutical medium. The container is closed by a rubber plunger plug which has a central opening into which a closure ball is pressed. For discharging the medium, the container is pressed against an actuator which pushes the ball from the opening and thereby opens the container while, at the same time, the actuator forced down from a shoulder forms the plunger of a plunger pump formed thereby.

Abstract: A dispenser (1) comprises for its plunger chamber (13) an outlet valve (20) which after opening on the actuating stroke continues to remain open for a time during the subsequent return stroke due to a delay means (30) so as to ensure a more or less complete venting or filling of the plunger chamber (13). At the end of the delay period the closure maintained in the open position position by friction surface areas (37, 38) is released and automatically jumps back into its closed position. After venting, the effectiveness of the delay means (30) diminishes so that in normal operation substantially only a pressure dependent opening and closing of the outlet valve (20) is provided for.

Abstract: A fluid media dispenser is disclosed having an uptake tube or wall body configured with differing wall thicknesses so that, due to material shrinkage, a lateral curve is formed in the uptake tube or wall body which facilitates removal of the formed dispenser from a mold. A simplified injection mold/extrusion nozzle method for producing this dispenser is also disclosed.

Abstract: A dispenser (1) includes in a casing (2) with a volume-variable storage chamber (11) for the medium, a discharge closure (10), whose closure member (50) is located directly adjacent to the discharge nozzle (8) and whose pressure dependently operating control device (18) is arranged completely within the casing (2). The control device (18) is located on a support unit (5) separate from the casing (2) and defining ducts (28, 29, 38, 47) for two separate media. Thus, while achieving simple construction and assembly, a contamination of the stored medium can be prevented.

Abstract: A discharge apparatus for flowable media, comprising: a basic body, at least partly receiving a pump unit; the pump unit having a pump chamber connectable to a discharge opening via a discharge channel; a pump cylinder and a pump piston bounding the pump chamber; the pump cylinder forming a medium reservoir; the pump piston being displaceably guided in the pump cylinder for discharging all the medium contained in the medium reservoir by a single pump stroke in a pump stroke direction; and, at least one breakable material bridge between the pump unit and the basic body which can be destroyed by an actuating force exerted in the pump stroke direction, whereby the medium is discharged from the apparatus with a predetermined discharging pressure by a predetermined actuating force level and the apparatus is provided with a destroyable tamper-evident closure.

Abstract: A dispenser for discharging media to be used in conjunction with a pressure chamber comprises: a medium outlet; an outlet channel leading into the medium outlet, the outlet channel defining a medium flow in operation, the outlet channel, at a distance from the medium outlet, having a channel portion provided to connect to the pressure chamber and operable for producing a delivery pressure in a range of increasing medium pressures, from a relatively lower medium pressure to a relatively higher medium pressure, the outlet channel having adjustable passage cross-sections; and, a controller for increasing the passage cross-sections to a relatively larger cross-section at relatively lower medium pressure and to constrict the passage cross-sections smaller than the relatively larger cross-section at the relatively higher medium pressure.

Abstract: A discharge apparatus has an indicating device which can be set to different numbers of pump strokes with a handle and which can be operated rearwards by one step by each pump stroke performance. A pivot spout forming the medium outlet is formed by a tube with constant cross-sections. For securing the position of the discharge actuator and the spout there is a common securing device. The medium outlet can be closed in pressure-tight manner by a closure formed by the device. An outlet channel forms a channel system for the preparation of the medium during flow. This leads to a use-advantageous discharge apparatus.

Abstract: A discharge apparatus provided as a single spray has in the interior of the discharge connection as an evaporation barrier for the medium a rotary closure, which can be opened and closed by a mutual rotation of the casing and the head or the body and the medium reservoir. For this purpose a shaft part in the form of a filler is formed from two longitudinally, interconnected bar parts, which rotatably engage in one another and form closure parts of the closure located within a cover sleeve. This allows very long storage times of the filled discharge apparatus.

Abstract: Diesel fuel preheaters with a heat exchanger and electric heating serve, for example, at low temperatures to maintain the flowability of diesel fuel and furthermore to quickly heat diesel fuel to achieve defined conditions for a fuel conserving and emission reduced combustion of the fuel and a better engine performance. The diesel fuel preheaters are provided with an integrated control unit and are adaptable to various engines and operational conditions. A special electric heating element in cooperation with the integrated control unit and the heat exchanger provide a fast and economic preheating of the diesel fuel. Furthermore, various advantageous couplings and mechanisms for the regulation of the heat transfer from the heat-delivering medium such as cooling water to the diesel fuel at the heat exchanger are shown and described.

Abstract: A dispenser is disclosed which is made up of two telescoping sections. One section holds at least one volume of a substance to be discharged. Telescoping motion of the sections compresses the substance to be discharged to force it through a passage in the section not holding the substance volume to be discharged therefrom. Motion between the section is limited to ensure precise metering of a charge to be dispersed.

Abstract: A discharge head is connected to a double pump for air and liquid. The air and liquid are separately passed by pump actuation through a flow calming member and then into a combining member in a way such that the air enters in the form of numerous individual jets and under a low pressure and at a low flow rate into a liquid-wetted screen unit provided in a widened chamber. In the vicinity of the screen unit which are supplied with liquid from a chamber, the liquid can be foamed in a stepwise manner with the aid of air until the foam is discharged ready for use through an end channel.

Abstract: A media dispenser (2) has a discharge head (3), a medium chamber (30) holding a volume of medium filled under pressure, and a hand-operable propellant pump (5). By manual compression of the balloon-like pressure chamber (6) comprising film portions (13, 14), propellant is conveyed into the medium chamber (30), with pressure sufficient to cause the opening of a valve (26), and delivery of a mixture of medium and propellant through an atomizing nozzle (21). The nozzle (21) is tightly closed by a closure (39) connected to a common carrier (40) for a plurality of the dispensers (2). The carrier (40) has interruptible connections to the head (3) which can be interrupted to remove closure 39 and open atomizing nozzle 21.