Abstract: A sealing tube for a line conduit, in which the sealing tube can be held at its ends, which can be distorted in reference to each other about its longitudinal axis. Inside the sealing tube, several separate sealing elements are arranged, which extend over a small portion of the length of the sealing element.

Abstract: A fire protection element is disclosed. The fire protection element has a foamed body formed at least partially of an ash-forming mixture, and in an embodiment, an intumescent mixture. A carrier component is embedded in the foamed body. The carrier component is a thin, flat part which is covered by the body on at least one flat side.

Abstract: A method is described for operating an injector, in particular an injector of an injection system of an internal combustion engine, the injector including a piezoelectric actuator that is connected to a valve needle via a coupling element, an electric voltage being applied to the piezoelectric actuator, resulting in an increase and/or decrease in the length of the piezoelectric actuator, a holding voltage being applied to the piezoelectric actuator when the injector is closed. The voltage of the piezoelectric actuator is brought to the holding voltage by a recharge sequence.

Abstract: A sealing element for a leadthrough (10) for passing of conduits (40) through constructional components (50), has a flexible tubular body (14) rotatable along its longitudinal axis (L) that serves as a rotational axis, and on at least first axial end (12) of which, a securing element is provided.

Abstract: A sealing element for a leadthrough (10) for passing of conduits (40) through constructional components (50), has a flexible tubular body (14) rotatable along its longitudinal axis (L) that serves as a rotational axis, and on at least first axial end (12) of which, a securing element is provided.

Abstract: A leadthrough for passing conduits through constructional components includes a thread-forming thread (13) provided on an outer circumference (12) of a jacket tube (11) and extending from a first axial end region (15) toward a second axial end region (16), and a centering section (24) provided in the first axial end region (15) between the thread (13) and an end (25) of the jacket tube (11).

Abstract: A tool for dispending one- or multi-component masses contained in cartridges or foil bags includes at least one handle (4; 34; 54), at least one piston rod (5; 35; 55) a displacement mechanism (6; 56) for displacing the at least one piston rod (5; 35; 55) and having at least one displacement member (8) and a locking member (9) which are arranged on the at least one piston rod (5; 35; 55), are axially displaceable, and are pivotable in a longitudinal direction of the tool (1; 31; 51), and a force transmission device (21; 41; 61) acting on the displacement member (8) and having a switching element (22; 42; 62) arranged on the handle (4; 34; 54) and actuatable by an actuation member (12; 57) provided on the handle, and an actuator (24; 44; 64) for actuation of the at least one displacement member (8) and communicating with the switching element (24; 44; 64).

Abstract: A leadthrough (10) for constructional components (30) includes a clad tube (11) extendable through the constructional component (30) and provided with a cutting profile (14) at its end surface (12) for forming a bore for the clad tube (11); with a coupling element (15) for connecting the clad tube (11) with a rotary drive, and with an edge protecting element (16) for covering the cutting profile (14).

Abstract: A sealing system (11) for sealing off a passage of a pipeline (2) in a wall (1) including a sealing strip (3) for sealing off the passage and three support members (4.1, 4.2, 4.3) for supporting the sealing strip (3). Each support member (4.1, 4.2, 4.3) has a fastening section (41.1) for attaching the support member (4.1, 4.2, 4.3) to the wall (1). The support elements (4.1, 4.2, 4.3) each have three sleeve sections (42, 43.1, 43.2). Engagement mandrels or points for engaging in the sealing strip (3) are provided on two of the sleeve sections (42.1, 43.2).

Abstract: A tool for dispending one- or multi-component masses contained in cartridges or foil bags includes at least one handle (4; 34; 54), at least one piston rod (5; 35; 55) a displacement mechanism (6; 56) for displacing the at least one piston rod (5; 35; 55) and having at least one displacement member (8) and a locking member (9) which are arranged on the at least one piston rod (5; 35; 55), are axially displaceable, and are pivotable in a longitudinal direction of the tool (1; 31; 51), and a force transmission device (21; 41; 61) acting on the displacement member (8) and having a switching element (22; 42; 62) arranged on the handle (4; 34; 54) and actuatable by an actuation member (12; 57) provided on the handle, and an actuator (24; 44; 64) for actuation of the at least one displacement member (8) and communicating with the switching element (24; 44; 64).

Abstract: An extension (1) for a pipe section (3) integrally pourable in a ceiling (2) for bridging a difference (E) between a length (L) of the pipe section (3) and a thickness (D) of the completed ceiling (2) comprises a flat material (6) and a fastening element (7) and three closure elements (8) formed as adhesive strips. By means of the fastening element (7) the extension (1) is fastened in the region of the free end (9) of the pipe section (3) and the flat material (6) coiled or wound along the periphery of the pipe section (3). The free end of the flat material (6) is then securely adhered by means of the closure elements (8) on the flat material (6).

Abstract: A rotor for a magnetic-drive centrifugal pump includes a core for supporting a magnetic assembly of magnets. An inner barrier covers at least part of the magnets. The inner barrier hermetically isolates the magnetic assembly within the impeller. For example, in one embodiment the inner barrier may be sealed or hermetically connected to the core at one or more seams. An outer barrier overlies the inner barrier.

Abstract: A method for forming an impeller for a pump provides a reliable protective barrier that prevents or eliminates the ingress of pumped fluid that might otherwise attack the magnetic assembly of the impeller. An inner barrier is hermetically connected to an internal impeller section at one or more seams to cover at least part of a first magnetic assembly. Filler is introduced into a spatial volume of the first magnet assembly associated with the internal impeller section. The remainder of an impeller is molded over or in association with the internal impeller section to form the impeller with the inner barrier and an outer barrier overlying the inner barrier for protection of the first magnet assembly from the pumped fluid.

Abstract: A sealing system (11) for sealing off a passage of a pipeline (2) in a wall (1) including a sealing strip (3) for sealing off the passage and three support members (4.1, 4.2, 4.3) for supporting the sealing strip (3). Each support member (4.1, 4.2, 4.3) has a fastening section (41.1) for attaching the support member (4.1, 4.2, 4.3) to the wall (1). The support elements (4.1, 4.2, 4.3) each have three sleeve sections (42, 43.1, 43.2). Engagement mandrels or points for engaging in the sealing strip (3) are provided on two of the sleeve sections (42.1, 43.2).

Abstract: A fastening system (11) for closing an opening in a structural part with a plate-type material including a base element (12) and supporting elements. The base element (12) includes a fastening section (15) and an angular section (16). A plurality of receiving means (17.1 to 17.8 and 18.1, 18.2) are provided in a predefined spacing (A) for connecting a plurality of supporting elements (13.1 to 13.6; 14). At least one opening for fastening the base element (12) to an intrados of the opening is associated with each receiving means (17.1 to 17.8 and 18.1, 18.2).

Abstract: A valve arrangement (1) for use in a container for discharging a fluid medium maintained under pressure in the container, particularly a cylindrical container. The valve arrangement includes a pot-shaped valve disk (2) to be secured in an open side of the container. The valve disk (2) has a coupling device (4) for connection to a container adapter of a discharging device. The valve disk (2) has a discharging valve (11) including a valve piston (12) and a restoring device (15). The pot-shaped disk valve (2) is formed of a plastics material with a plastically deformable and especially clinchable cylindrical pot wall (3). The coupling device (4) is an integral part of the valve disk (2) and is joined by thin cross sections (5) with the pot wall (3).

Abstract: A steam generator with a stack of coal-dust burners (4), each of which accommodates a removable oil lance, and with one or more flues (3) that communicate with a combustion-air heater (6). The heater rests on a scaffolding (12) and has flue gas flowing through it, its flue-as outlet (9) communicating by way of a distriutor (20) with an electric filter (16). The filter is provided with a housing (17) and with one or more intake hoods (18). The distributor is upright and below the heater's flue-gas outlet and the heater is above where the lances can be removed from the burners.

Abstract: A sensor arrangement determines a condition and level of a liquid in a container. A first sensor has first electrodes forming a first measuring chamber communicating with the liquid and supplies a signal for determining an impedance of the first sensor and a condition of the liquid in the container. A second sensor has second electrodes forming a second measuring chamber communicating with the liquid via the first measuring chamber and supplies a signal for determining an impedance of the second sensor and a level of the liquid in the container. Electronic devices are coupled to the first and second sensors, and determine the impedance of the first and second sensors and the condition and level of the liquid in the container.

Abstract: A hand power tool has a machine housing, a drive motor accommodated in the machine housing, a drive train connected with the drive motor and provided with a tool receptacle for rotation of a tool insertable in the tool receptacle, a detecting device for detecting an uncontrolled operation of the hand power tool by detecting a blocking of the tool in a workpiece with a resulting impact-like turning of the machine housing, a blocking device provided for the drive train and releasable by the detecting device, the locking device having a locking toothing arranged in the drive train and a blocking member movably supported in the machine housing and form-lockingly engagable in the locking toothing so as to non-rotatably fix the drive train relative to the machine housing, the detecting device being formed so that it produces an electrical release signal in an uncontrolled operation, the blocking device being releasable by the electrical release signal, and further has electromagnet device actuatable by the release

Abstract: According to the invention, a suction lifter for a material handling device is provided for work pieces with suction surfaces. At least one pneumatic, double acting working cylinder is provided with a suction cup arranged at an end of the piston rod. A piston of the working cylinder is provided cooperating with the cylinder to define a first working chamber, opposite the suction cup, and a second working chamber, adjacent to the suction cup. A directional control is provided for controlling a connection between the compressed air source and the working cylinder and for venting the working cylinder. The directional control includes a pressure reducing arrangement for the suction cup.