Abstract: A metering apparatus for liquids and a method for metering liquids which facilitate the operation of a further metering after detaching the pipette point or syringe.

Abstract: A plunger stroke pipette for replaceable pipette points with a seat for the detachable mounting of a pipette point, a plunger, a cylinder in which the plunger is movably arranged, a connection channel connecting the cylinder with an opening in the seat, a driving equipment, coupled to the plunger for displacing the plunger in the cylinder, an upper stopper and a lower stopper and at least one counter-stopper of the driving equipment and/or the plunger for limiting the stroke of the plunger, a holder, holding the lower stopper, an overstroke spring between the upper stopper and the holder, an adjustment equipment for adjusting the position of the holder with respect to the cylinder, and an indicating equipment for indicating the position of the holder.

Abstract: An electronic metering apparatus for metering liquids with a drive with an electric motor, at least one displacer device with a displacer element, which is connected and/or connectable to the drive, an electric mode key and an electric parameter key for changeover between different menus, a pair of electric control keys, arranged next to each other, for navigation in the menus, setting of parameters and controlling the dislocation of the displacer element, wherein the two control keys control the navigation in the menus, the setting of parameters and the dislocation of the displacer element in different directions, an electronic display device for displaying menus and parameters, an electric control unit, which is connected to the electric motor, the electric mode key, the electric parameter key, the electric control keys and the electric display device, and which controls the display of menus and parameters by the display device as well as the dislocation of the displacer element corresponding to the actuati

Abstract: An electronic metering apparatus for metering liquids, with a longitudinal, handleable housing, a drive, arranged in the housing, with an electric motor, at least one displacer device, arranged in the housing or being capable to be arranged on the same, with a displacer element, which is connected to the drive and/or connectable to the same, at least one holding device on the bottom end of the housing for holding a pipette point or a syringe, at least one electric operational control in or on the housing, at least one electric information device in or on the housing, an electric control unit arranged in the housing, which is connected to the electric motor, the electric operational control and the electric information device, and which controls the information device depending on the position and/or previous changes of the position of the displacer element, in order to put out an information concerning the next reasonable dislocation of the displacer element, and an electric power supply.

Abstract: A pipetting device with a displacement chamber, a flexible membrane delimiting the displacement chamber, a driving equipment for deforming the membrane, a coupling equipment between the driving equipment and the membrane for coupling the driving equipment with the membrane, an equipment for detachably holding a pipette tip, a connection channel between the displacement chamber and the equipment for detachably holding the pipette tip, and an aperture equipment, covering the edge region of the membrane with at least one adjustable aperture opening straight through which the central region of the membrane is deformable.

Abstract: A metering apparatus for liquids and a method for metering liquids which facilitate the operation of a further metering after detaching the pipette point or syringe

Abstract: A handheld pipetting apparatus for metering liquids, with a handleable pipette housing, at least one accommodation for a fastening portion of a syringe cylinder of a syringe, at least one plunger accommodation in an accommodation body for a plunger fastening portion of a syringe plunger of the syringe, fastening means for detachably holding the fastening portion in the accommodation and the plunger fastening portion in the plunger accommodation, at least one displacement device with a displacement chamber and a shiftable chamber wall limiting the same, for displacing a fluid; at least one seat for detachably holding a pipette point, a channel, connecting a hole in the seat with a displacement chamber, and at least one drive device, which is connected to and/or couplable with the accommodation body and/or the chamber wall, for shifting the accommodation body with respect to the accommodation, and/or the chamber wall with respect to the displacement chamber.

Abstract: According to the invention, a pipette or a dispenser (10) with a piston indicator (6) is characterized in that a display (2) shows the piston position (20).

Abstract: An electronic metering apparatus for metering liquids with a drive, at least one displacer device with a displacer chamber and a displacer element arranged therein, which is connected to the drive, at least one holding device for a pipette point, which has a passage channel which is connected with the displacer chamber, a data memory with memory locations for different calibration data concerning different pipette points and/or different liquids and/or different usage conditions, an electric selection device for selecting calibration data, an electric control unit, which is connected to the electric selection device, the data memory, and to the electric drive motor of the drive and/or an electric display device, and which controls the movement of the displacer element by means of the electric motor and/or the display of the metering volume through the display device with recourse to the calibration data from the data memory, selected with the aid of the selection device, and an electric power supply.

Abstract: Pipette having an axially relocatable control button, a pressure sensor, which is integrated into the control button, a lifting rod, coupled with the control button and having a stopping bead, a hollow driving spindle, accommodating the lifting rod and being axially relocatable, a twisting lock, preventing the driving spindle from being twisted, a turnable driving nut having screw thread engagement with the driving spindle, an axial support of the driving nut, an electric driving motor with a motor shaft, a gear between the motor shaft and the driving nut, an electric power supply, an electric control system, connected to the pressure sensor, the electric driving motor and the electric power supply, which provides an electric voltage to the electric driving motor upon a push on the control button which is indicated by the pressure sensor, so that the motor relocates the driving spindle via the gear in the direction of a relocation of the control button by the push, the driving spindle taking the lifting rod a

Abstract: An electronic metering apparatus for metering liquids, with a longitudinal, handleable housing, a drive, arranged in the housing, with an electric motor, at least one displacer device, arranged in the housing or being capable to be arranged on the same, with a displacer element, which is connected to the drive and/or connectable to the same, at least one holding device on the bottom end of the housing for holding a pipette point or a syringe, at least one electric operational control in or on the housing, at least one electric information device in or on the housing, an electric control unit arranged in the housing, which is connected to the electric motor, the electric operational control and the electric information device, and which controls the information device depending on the position and/or previous changes of the position of the displacer element, in order to put out an information concerning the next reasonable dislocation of the displacer element, and an electric power supply.

Abstract: An electronic metering apparatus for metering liquids with a drive, at least one displacer device with a displacer chamber and a displacer element arranged therein, which is connected to the drive, at least one holding device for a pipette point, which has a passage channel which is connected with the displacer chamber, a data memory with memory locations for different calibration data concerning different pipette points and/or different liquids and/or different usage conditions, an electric selection device for selecting calibration data, an electric control unit, which is connected to the electric selection device, the data memory, and to the electric drive motor of the drive and/or an electric display device, and which controls the movement of the displacer element by means of the electric motor and/or the display of the metering volume through the display device with recourse to the calibration data from the data memory, selected with the aid of the selection device, and an electric power supply.

Abstract: An electronic metering apparatus for metering liquids with a drive with an electric motor, at least one displacer device with a displacer element, which is connected and/or connectable to the drive, an electric mode key and an electric parameter key for changeover between different menus, a pair of electric control keys, arranged next to each other, for navigation in the menus, setting of parameters and controlling the dislocation of the displacer element, wherein the two control keys control the navigation in the menus, the setting of parameters and the dislocation of the displacer element in different directions, an electronic display device for displaying menus and parameters, an electric control unit, which is connected to the electric motor, the electric mode key, the electric parameter key, the electric control keys and the electric display device, and which controls the display of menus and parameters by the display device as well as the dislocation of the displacer element corresponding to the actuati

Abstract: A plunger stroke pipette for replaceable pipette points with a seat for the detachable mounting of a pipette point, a plunger, a cylinder in which the plunger is movably arranged, a Connection channel connecting the cylinder with an opening in the seat, a driving equipment, coupled to the plunger for displacing the plunger in the cylinder, an upper stopper and a lower stopper and at least one counter-stopper of the driving equipment and/or the plunger for limiting the stroke of the plunger, a holder, holding the lower stopper, an overstroke spring between the upper stopper and the holder, an adjustment equipment for adjusting the position of the holder with respect to the cylinder, and an indicating equipment for indicating the position of the holder.

Abstract: Pipetting device with a displacement chamber, a flexible membrane, delimiting the displacement chamber, an aperture equipment, covering the edge region of the membrane, with at least one adjustable aperture opening, straight through which the central region of the membrane is deformable, a driving equipment for deforming the membrane, a coupling equipment between the driving equipment and the membrane for coupling the driving equipment with the membrane, an equipment for detachably holding a pipette point, and a connection channel between the displacement chamber and the equipment for detachably holding the pipette point.

Abstract: Pipette having an axially relocatable control button, a pressure sensor, which is integrated into the control button, a lifting rod, coupled with the control button and having a stopping bead, a hollow driving spindle, accommodating the lifting rod and being axially relocatable, a twisting lock, preventing the driving spindle from being twisted, a turnable driving nut having screw thread engagement with the driving spindle, an axial support of the driving nut, an electric driving motor with a motor shaft, a gear between the motor shaft and the driving nut, an electric power supply, an electric control system, connected to the pressure sensor, the electric driving motor and the electric power supply, which provides an electric voltage to the electric driving motor upon a push on the control button which is indicated by the pressure sensor, so that the motor relocates the driving spindle via the gear in the direction of a relocation of the control button by the push, the driving spindle taking the lifting rod a

Abstract: A pipette tip having an elongate, tubular body which has a pipetting aperture at one end and a placement aperture at the other end for placement on a receiving shank of a pipetting device, which is encompassed by an axially directed, inwardly inclined circumferential sealing lip which, at its base, is connected to the tubular body and can be elastically flared by placement on the receiving cone.

Abstract: A package and related technique is disclosed for wrapping and enclosing a collection of golf ball sleeves that avoids the use of costly retaining boxes or cartons. The package comprises an opaque, partially opaque, or partially transparent multi-layer overwrap. The resulting package inhibits light transmission, exhibits high strength and is economical.