Abstract: A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool; a tool head for machining the borehole surface; and an extraction duct. The coupling portion is disposed at a first end of a tool shank and the tool head at an opposite, second end of the tool shank. The tool head has a cutter disposed circumferentially on the tool heat The tool head has a slit, which passes through from one side to the other and which, starting from an end face of the tool head, extends axially along a longitudinal axis of the tool. The extraction duct extends at least partly axially along the longitudinal axis of the tool for extraction of drilling dust. The extraction duct, starting from the end face of the tool head, extends inside the tool shank and discharges circumferentially into a connecting opening in the tool shank.

Abstract: A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool in a drilling machine; and a tool head for machining the borehole surface, where the tool head comprises a cutter that is circumferentially disposed on the tool head, and where the tool head has at least one slit, which passes through from one side to the other and which, starting from an end face of the tool head, and extends axially along a longitudinal axis of the tool.

Abstract: A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool in a drilling machine; and a tool head for machining the borehole surface, where the tool head has an outer shell surface on which a cutter protrudes laterally from the shell surface, and where the outer shell surface has a camber along the longitudinal direction of the tool.

Abstract: The invention relates to a drill rod store having a first storage area and a second storage area, in which a plurality of drill rod elements are in each case stored in horizontal alignment. Between the two storage areas a trough-shaped receiving part for a single drill rod element is provided. The trough-shaped receiving part is designed to deliver a single drill rod element. For this purpose, a joint supply means is provided, through which drill rod elements are supplied both from the first storage area and from the second storage area to the trough-shaped receiving part.

Abstract: A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool; a tool head for machining the borehole surface; and an extraction duct. The coupling portion is disposed at a first end of a tool shank and the tool head at an opposite, second end of the tool shank. The tool head has a cutter disposed circumferentially on the tool head. The tool head has a slit, which passes through from one side to the other and which, starting from an end face of the tool head, extends axially along a longitudinal axis of the tool. The extraction duct extends at least partly axially along the longitudinal axis of the tool for extraction of drilling dust. The extraction duct, starting from the end face of the tool head, extends inside the tool shank and discharges circumferentially into a connecting opening in the tool shank.

Abstract: A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool in a drilling machine; and a tool head for machining the borehole surface, where the tool head comprises a cutter that is circumferentially disposed on the tool head, and where the tool head has at least one slit, which passes through from one side to the other and which, starting from an end face of the tool head, and extends axially along a longitudinal axis of the tool.

Abstract: The invention relates to a drill rod store having a first storage area and a second storage area, in which a plurality of drill rod elements are in each case stored in horizontal alignment. Between the two storage areas a trough-shaped receiving part for a single drill rod element is provided. The trough-shaped receiving part is designed to deliver a single drill rod element. For this purpose, a joint supply means is provided, through which drill rod elements are supplied both from the first storage area and from the second storage area to the trough-shaped receiving part.

Abstract: An extrusion device (11) for compound-containing containers (6), including a receiving chamber (12) for the container (6), a piston rod (13) which is displaceable relative to the receiving chamber (12), a motor (21) for moving the piston rod (13), a trigger member (26) for generating a control signal in response to actuation of the trigger member (26), and a control unit (31) for controlling the motor (21) is provided. The control unit (31) has a power module for connecting the motor (21) to a power supply (19), and a separate signal input which is electrically connected to the trigger member (26). The power module connects the motor (21) to the power supply (19) when the corresponding control signal is present at this signal input. A method for controlling such an extrusion device (11) is also provided.

Abstract: A support foot (10) for applying and distributing forces to a pressure-sensitive substrate, including a baseplate (12) for placement onto the substrate and a holder (18) which is joined to the baseplate (12) and to which the connecting parts (32, 72) can be attached, whereby the holder (18) has a first receptacle (20) for a first connecting part (72) and a second receptacle (22) for a second connecting part (32). A stand system has at least one support foot (10) and at least one, especially C-shaped, mounting rail that is inserted into a receptacle (20, 22, 24) and that is prevented by a fastener (56) from being pulled out of the holder (18).

Abstract: An extrusion device for compound-containing containers, including a receiving chamber for the container, a piston rod which is displaceable relative to the receiving chamber and further including an extrusion mechanism having an advancing mechanism for advancing the piston rod. A wiper element is provided which has a wiper edge facing the piston rod.

Abstract: A dispenser (10) for dispensing the contents of cartridges (12), including an advancing mechanism (14) for a piston rod (16), a housing (18) on which a transmission lever (20) for actuating the advancing mechanism (14) is attached so as to swivel, and a handle (22), which is affixed to the housing and to which an actuation lever (24) is attached so as to swivel, whereby the transmission lever (20) and the actuation lever (24) are connected to each other in an articulated manner via a sliding block guide (26).

Abstract: A support foot (10) for applying and distributing forces to a pressure-sensitive substrate, including a baseplate (12) for placement onto the substrate and a holder (18) which is joined to the baseplate (12) and to which the connecting parts (32, 72) can be attached, whereby the holder (18) has a first receptacle (20) for a first connecting part (72) and a second receptacle (22) for a second connecting part (32). A stand system has at least one support foot (10) and at least one, especially C-shaped, mounting rail that is inserted into a receptacle (20, 22, 24) and that is prevented by a fastener (56) from being pulled out of the holder (18).

Abstract: A construction apparatus for foundation construction includes a chassis, a mast for guidance of at least one ground working apparatus and a support mechanism for the mast, wherein the mast is arranged in an adjustable manner on the chassis. The support mechanism has at least one support arm, which is pivotably hinged about a pivot axis on the chassis. A rotary encoder is provided for detecting the pivot angle of the support arm relative to the chassis as a degree of an adjustment position of the mast.

Abstract: In a dispensing device for extruding cartridges, with a piston rod and a preferably manually-driven feed mechanism, whereby the feed mechanism has an operating lever, that is moved against a holding lever for squeezing in an extrusion direction (A), and a retaining mechanism that engages with the piston rod to prevent movement of the piston rod against the feed direction (R), it is envisaged that an unlocking mechanism is provided that engages with the retaining mechanism and releases this, whereby the unlocking mechanism may be so selectively coupled with the operating lever that a movement of the operating lever in the extrusion direction (A) releases the retaining mechanism.

Abstract: A dispenser (10) for dispensing the contents of cartridges (12), including an advancing mechanism (14) for a piston rod (16), a housing (18) on which a transmission lever (20) for actuating the advancing mechanism (14) is attached so as to swivel, and a handle (22), which is affixed to the housing and to which an actuation lever (24) is attached so as to swivel, whereby the transmission lever (20) and the actuation lever (24) are connected to each other in an articulated manner via a sliding block guide (26).

Abstract: A dispenser (10) for cartridges includes at least one piston rod (16), an advancer (20) that can be coupled incrementally to the piston rod (16) in order to move the piston rod (16) in a dispensing direction (R), and it also includes a selectively adjustable controller (22) for the variable pre-selection of the path of travel (D) of the piston rod (16) that, once it has traversed the pre-selected path of travel, uncouples the advancer (20) from the piston rod (16).

Abstract: An ejection device for a mass-containing package (12) includes at least one piston rod (16) having a toothing (17) extending along its longitudinal extent, and a drive unit (21; 41) for displacing the at least one piston rod (16) and having at least one gear wheel (24; 44) engageable with the toothing (17) of the at least one piston rod (16) and displaceable from a first position, in which it engages the toothing (17) of the at least one piston rod (16), to a position in which it is disengaged from the toothing (17) of the at least one piston rod, and a drive motor (22) for driving the at least one gear wheel (24; 44).

Abstract: An ejection device (11) for cartridges containing multi-component compounds has an ejection mechanism (12) and a receptacle (16) for the cartridge, with the receptacle (16) being limited on the front side by a head plate (17) and on the rear side by a stop plate (18) and in order to hold the cartridge in a first position, a first stop (21) provided at the head plate (17) and a second stop (22) provided in the area of the stop plate (18), and a third stop (23) in order to hold the cartridge in a further position.

Abstract: A cartridge (11) used as a container for a compound that can be ejected by an ejection device, has two receptacles (12, 16) and a head part (21), each receptacle (12, 16) having a receptacle chamber (13, 17) for components of the compound with the head part (21) having a base plate (22) with an outlet opening (23) for the compound and, at a contact surface (24) of the base plate (22), two guide portions (25, 26) for joining to an end (14, 18) of the corresponding receptacle (12, 16), a guide element for the receptacle (16) arranged adjacent to the guide portion (26) at the contact surface (24) of the head part (21).

Abstract: Add-on components (3) are to be fastened to a support part (5) with a simple technical set-up and without a need for tools, with a device (1) for fastening an add-on component (3) to a support part (5), including at least one movable holding element (16) that, when it is inserted into an opening (10) of the support part (5) due to the contact between the at least one holding element (16) and the support part (5), can be moved into an engagement position so as to be inserted into the opening (10), and that, after it has been inserted into the opening (10), can be moved into a catching position by a return movement of the at least one holding element (16) so that the at least one holding element (16) can catch behind at least one edge (9) of the support part (5) in order to create a positive connection between the at least one holding element (16) and the support part (5), and at least one affixer for affixing the add-on component (3) to the device (1).