Abstract: The invention relates to a method for screening of at least one chemical substance by treatment of plant material, comprising the following process steps: a) Applying the plant material into a cavity; b) Treatment of the plant material with the chemical substance; c) Creating at least one dataset showing at least one phenotypical characteristic of the plant material after treatment with the chemical substance; and d) Assigning the chemical substance based on the dataset to at least one site of action (SoA) and/or at least one mode of action (MoA) of a multitude of stored SoA and/or MoA by using a SoA- and/or MoA-compendium containing data regarding dependencies between phenotypical characteristics of at least one plant material treated by at least one reference substance of a known SoA and/or MoA.

Abstract: The invention relates to an article hanger having a receiving region, wherein, by means of the receiving region, a receiving space for receiving an article of at least one article type, for example at least one type of tool for a mobile machine tool or at least one type of building product, is formed in the interior of the receiving space. The receiving region is formed from a wound tube and/or comprises a wound tube. An environmentally friendly material can be used as the raw material for the wound tube. Risks to the environment as a result of carelessly discarded article hangers can therefore be avoided or at least reduced.

Abstract: A method for producing a drill shaft for a wet drill bit includes forming N, where N?1, strip materials into a tubular body where the tubular body is integrally joined at strip edges of the strip materials by N connection welds. At least one strip material of the strip materials is provided with at least one recess before the integral joining of the strip edges.

Abstract: A board which can be used to form a beehive for solitary bees and/or wasps, the board including a first surface and a second surface which is opposite to the first surface, wherein the first surface having a plurality of holes defined therein, wherein the board further includes a plurality of individual tube members which project from the second surface and wherein each tube member is aligned with a respective hole defined in the first surface so that a bee can pass via a hole into the tube member which is aligned with the hole and wherein the plurality of tube members are arranged such that there are voids between adjacent tube members. There is further provided a device (beehive) which includes a plurality of the boards; and a method of forming a device (beehive) which includes a plurality of the boards.

Abstract: A drill bit includes a drill bit head, a multi-strand helix made up of three or more helix ribs, and a shank end along a drill bit axis. The multi-strand helix is made up of a conveyance area, a helix gradient, and a pitch. The helix ribs extend parallel to the drill bit axis in a first area adjacent to the drill bit head and a second area adjacent to the shank end.

Abstract: A method for producing a cutting section from a closed tubular element (14) which is in the form of a hollow cylinder and from one or more drill segments (16) which are connected to the closed tubular element (14).

Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first open tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first open tubular element (14) and to the second closed tubular element (15).

Abstract: A segment for detachably arranging on a carrier, which can be rotatably mounted relative to an axis of rotation, for forming a disc brush or for forming a cleaning, grinding or polishing disc, includes a segment body, wherein multiple bristles protrude from the underside thereof or an abrasive grit and/or a fiber structure is arranged on the underside thereof, wherein the segment body has a segment guide extending in the radial direction in relation to the axis of rotation of the carrier on a radially internal edge and spaced apart from an external—in relation to a circumferential direction—lateral edge of the segment body, which segment guide is designed to cooperate with a corresponding carrier guide formed or arranged on the carrier for arranging the segment on the carrier.

Abstract: A board which can be used to form a beehive for solitary bees and/or wasps, the board including a first surface and a second surface which is opposite to the first surface, wherein the first surface having a plurality of holes defined therein, wherein the board further includes a plurality of individual tube members which project from the second surface and wherein each tube member is aligned with a respective hole defined in the first surface so that a bee can pass via a hole into the tube member which is aligned with the hole and wherein the plurality of tube members are arranged such that there are voids between adjacent tube members. There is further provided a device (beehive) which includes a plurality of the boards; and a method of forming a device (beehive) which includes a plurality of the boards.

Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first closed tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first closed tubular element (14) and to the second closed tubular element (15).

Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first open tubular element (14) which is in the form of a first hollow cylinder, a second closed tubular element (15) which is in the form of a second hollow cylinder, and one or more drill segments (16) which are connected to the first open tubular element (14) and to the second closed tubular element (15).

Abstract: A drill bit includes a drill bit head, a multi-strand helix made up of three or more helix ribs, and a shank end along a drill bit axis. The multi-strand helix is made up of a conveyance area, a helix gradient, and a pitch. The helix ribs extend parallel to the drill bit axis in a first area adjacent to the drill bit head and a second area adjacent to the shank end.

Abstract: A method for producing a drill shaft for a wet drill bit includes forming N, where N?1, strip materials into a tubular body where the tubular body is integrally joined at strip edges of the strip materials by N connection welds. At least one strip material of the strip materials is provided with at least one recess before the integral joining of the strip edges.

Abstract: A core bit for producing a borehole in a workpiece includes a cutting portion with one or more cutting segments, a drill shaft portion with a tubular drill shaft, and a connecting device which connects the cutting portion and the drill shaft portion releasably or non-releasably together. The tubular drill shaft is configured as a welded spiral tube.

Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first open tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first open tubular element (14) and to the second closed tubular element (15).

Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first closed tubular element (14) which is in the form of a first hollow cylinder having a first waved, trapezoidal or zigzag-shaped cross-sectional area, a second closed tubular element (15) which is in the form of a second hollow cylinder having a circular ring-shaped cross-sectional area, and one or more drill segments (16) which are connected to the first closed tubular element (14).

Abstract: A method for producing a cutting section from a closed tubular element (14) which is in the form of a hollow cylinder and from one or more drill segments (16) which are connected to the closed tubular element (14).

Abstract: A cutting section (11) which is connectable to a drill shaft section via a releasable connecting device. The cutting section includes a first closed tubular element (14) which is in the form of a first hollow cylinder, a second closed tubular element (15) which is in the form of a second hollow cylinder, and one or more drill segments (16) which are connected to the first closed tubular element (14) and to the second closed tubular element (15).

Abstract: A method for producing a drill includes cold forming of a rod-shaped blank to form a semifinished product having three or more rectilinear longitudinal ribs extending along a longitudinal axis of the semifinished product, introducing the longitudinal ribs into a first die and a second die in a working direction, where the first die bears against the longitudinal ribs in a direction of rotation about the longitudinal axis and the second die bears against the longitudinal ribs counter to the direction of rotation, pivoting the first die in the direction of rotation in relation to the second die in order to twist the longitudinal ribs between the first and second dies, pulling the longitudinal ribs 31 through the pivoted first die and the second die counter to the working direction in order to twist the longitudinal ribs and apply a drill head to the rear end in the working direction.