1. A bucket excavator (1) having an arm system (6) carrying a work tool (21) preferably formed as a ditcher (20) which has a dipper arm (30) fixed to a pivotable beam (12) and which can be folded generally in a vertical plane to a transport position and is adjustable from this position to an extended position, by means of a pivot drive connected to the beam (12), which engages with a dipper arm co...

Permanent biologically active implants, characterised in that they consist of a biologically active vitreous ceramic matter which can be wrought mechanically and which has the following weight composition, in %: SiO2 29.5 to 32.5, Al2O3 14.5 to 17.5, MgO 14.5 to 16.5, Na2O 2.0 to 3.0, K2O 5.5 to 6.5, F<-> 5.0 to 6.0, CaO 13.0 to 15.0, P2O5 10.0 to 12.0 and of separate crystalline phases consisting...

The invention relates to method and apparatus for the combustion of fluidal fuels. The fuel is dispersed in combustion air and, in order to improve the combustion rate and efficiency, is exposed to a high particle velocity of a sound produced by a low frequency sound generator. The frequency of the sound is determined by the sound generator, the maximum frequency being 30 Hz. A reciprocating movem...

An open razor comprises a blade holder 2 pivoted to a protective cover 3 into and out of which it can be folded. The blade holder 2 supports a blade unit 8 formed by a blade 9 sandwiched between two side members 8',8'' of plastics material. Guide grooves 15',15'' in the side members are engaged by the inwardly-directed flanges 16',16'' of a clamping rail 7 forming part of the blade holder. The bla...

In order to permit a reduction of the dimensions of a light for model railways having a housing which is open on at least one side, a housing pedestal and a light source which is arranged in the housing, it is proposed that the light source be a LED chip, that the LED chip be arranged on a printed circuit board with two conductor tracks, that the printed circuit board be enclosed in a sealed fashi...

A description is given of a greenery-cultivation structure for artificial plant habitats, in the case of which there is provided a vegetation layer comprising a loose fill 5 made of pumice substrate, in the top region 5a of which humus is introduced and which forms a drainage layer in its bottom region 5b; said loose fill 5 is provided, without the interposition of a dedicated drainage and/or filt...

A drill for use in industrial furniture manufacture has a drilling-spindle carrier 8 which is mounted rotatably in a gear unit 4. Two drill rows offset by 90 degrees in relation to one another are provided. The driving pinions of the drilling spindles 9 are located in recesses 18 of a distance plate 17 made of plastic, which spaces an upper and a lower cover pate 16 of the drilling-spindle carrier...

The conveyor (1) comprises a rail carrier (4) which is supported in a vibrating manner on a basic element (2) by means of torsion springs (3) and is intended for receiving a conveying rail (7), and a drive (5) for exciting vibrations, it being possible for the torsion springs (3) to be fixedly screwed to the respective abutments (9) and the screw, which acts on the abutments (9) on the side of the...

A playback device (1) for a disc-shaped record carrier (2) has a carriage (19), which can be driven by means of a toothed-wheel gearing (21) for adjusting a scanning device (15) in the radial direction of the record carrier between an innermost track (3) and an outermost track (4). When the scanning device (15) is adjusted to the outermost track (4), the carriage (19) bears with a stop (38) agains...

For metered application of adhesives in order to make contact with ICs by bonding the chips onto a system body, an adhesive distribution device is proposed having a nozzle stub 7 which contains a nozzle matrix 6. The nozzle matrix 6 is moved to the adhesion point and is lifted off this adhesion point once again, so that the adhesive is applied accurately to the contour. An adhesive distribution ar...

In a deck (1) for a recording and/or reproducing apparatus, comprising a set (25) of three adjacent push-buttons (26, 27, 28) whose three juxtaposed axially guided push-button slides (32, 33, 34) cooperate with a latching member (48) which is guided so as to be movable transversely of the push-button slides, only one spring (61) acts on is common to two push-button slides (32, 34) and only one fur...

Cationic paint binders, particularly binders of the type used in cathodic electrodeposition coatings which crosslink through transesterification, transamidation, transurethanization, or through the reaction of chain end double bonds catalyzed with a reaction product of lead(II) oxide with compounds carrying beta -hydroxyamino structure are described. The catalysts of the invention provide very go...

A sports shoe, in particular a ski boot, comprises a shell (2) having a sole (1), and a two-piece upper (3, 4) which is hinged to the shell (2), both in the region of the inner ankle and in the region of the outer ankle, by means of two hinges (5). The hinges have a pivot pin (6) arranged in an insert element (7) of the shell (2). A threaded rod (9) is screwed into a threaded bore (8) in the pivot...

The invention relates to a device for cleaning and heating gases, in which the two functions are combined in one vessel, so that the production costs are reduced. At least one filter cartridge for cleaning and at least one U-pipeline for heating the gases are arranged in the filter preheater in such a way that the heating medium (e.g. hot water or steam) can flow around the tube bundle. The number...

(+)-1-Isopropylamino-3-[o-(pyrrol-1-yl)phenoxy]-2-propanol and its salts, its use and preparation and pharmaceutical preparations containing this active substance and their preparation. The use of racemic 1-isopropylamino-3-[o-(pyrrol-1-yl)phenoxy]-2-propanol or a pharmaceutically utilisable, non-toxic salt thereof and pharmaceutical preparations containing an active substance of this type for the...