Abstract: The invention relates to a liquid handling apparatus for transferring liquid into and out of containers that are arranged in a substantially horizontal plane that is spanned by an X axis and a Y axis standing perpendicular to the X axis in the direction of a substantially vertical Z axis standing perpendicular to this plane. The liquid handling apparatus comprises an X slide which is travelable in the direction of the X axis and at which an arm having a Y slide is provided that is travelable in the direction of the Y axis and that is optionally configured for attaching at least one Z slide travelable in the Z axis. An X drive motor serves for driving the X slide via an X force transmission means and a Y drive motor serves for driving the Y slide via a Y force transmission means. Both motors are in fixed positions.

Abstract: A screwable element (10) for fastening an object, in the form of a plastic conduit for example, to a counterpiece such as a connection to another conduit or a device connection, consists of a first part (14) rotatable manually or with a tool, and a second part (16) furnished with a threaded portion (15), wherein the first and second parts are rotatable relative to one another about the longitudinal axis (18) of the screwable element, but can be fixed to one another axially via a connection point (20), and a unit (24, 26) limiting the torque that can be transmitted from the first part onto the second part. Said unit comprises at least one spring part (24) that is rotatable with the first or the second part, is resilient in a direction parallel to the longitudinal axis of the screwable element and cooperates with detents (26) of the respective other part.

Abstract: Disclosed is a tightening tool for a screw element, having a tool receptacle and an associated line. A coupling part is provided, which is formed at a free end for engaging with the tool receptacle in a form-closed manner and transitions into a handle or can be coupled to a handle at the other end. The coupling part has an interior and at least one lateral opening for inserting or leading out the line at least at the free end of the coupling part. The interior and the opening extend to the free end and are open there. The invention further relates to a coupling part and to a screw element.