A magnetic tape recording and/or reproduction apparatus has a converter for scanning the magnetic tape along a plurality of adjacent tracks, the said converter being fitted on a circulating carrier with the interposition of an adjusting device by means of which, depending on signals fed in, it is possible to effect deflection of the converter in opposite directions in the transverse direction with...

A mobile machine for distributing and shaping the ballast bed of a railroad track comprises a machine frame, and a ballast plow arrangement comprising a ballast planing plow including two vertically adjustable center plowshares arranged between the rails and a respective rail-bridging tunnel-shaped element associated with each rail and embracing the associated rail. A vertically adjustable, transv...

An all-wheel driven motor vehicle capable of operating in an understeering or an oversteering condition comprises a front axle, a rear axle, and an interaxle differential comprising a planetary gear system, a releasable coupling, and a liquid friction coupling. The planetary gear system includes an input member connected to the motor of the vehicle, a first output member connected to the front axl...

A device for the emergency release of a motor-vehicle seatbelt 1. The seatbelt 1 is fastened at one end on the centre console and at the other end on the door frame of a motor vehicle. Multi-part fastening means having frame-side securing parts 7, which can be separated from one another, and belt-side holding parts 8 are provided. These securing parts 7 and holding parts 8 are accessible from outs...

PCT No. PCT/AT88/00083 Sec. 371 Date Jul. 13, 1989 Sec. 102(e) Date Jul. 13, 1989 PCT Filed Oct. 24, 1988 PCT Pub. No. WO89/03753 PCT Pub. Date May 5, 1989.A process for the production of a synthetic resin pressure molded body in which a bonding agent containing a condensation resin or condensation resin mixture produced mainly on the basis of phenolic compounds and aldehydes in liquid or brushabl...

Gas valve for a gas waterheater, with a valve disc which is movable coaxially against a valve seat and which can be adjusted via a valve stem 7 counter to the pressure of a spring 9 by means of a pivotably mounted handle 13, part of the handle coming to bear slidably with a curved surface on the free stem end 11, and this stem end 11 being guided slidably along the contour of the curved surface wi...

The invention relates to an apparatus for the crushing or grindign of fibrous material, in particular fibrous material wet or mixed with water, preferably chips, in particular to drum refiners. The invention is mainly characterized in that channels for the discharge of steam are provided spaced from at least one material feed extending radially to the rotor axis or tangentially to the rotor jacket...

In order to improve the ventilation of the drum brakes of vehicles with pneumatic tyres, transverse ribs 4 are arranged in a full drop centre rim of a wheel, in particular for lorries, in a recess under the rim flange 3. In addition to increasing rigidity, the said transverse ribs 4 serve as ribs of a radial blower and bring about a circulation of air through openings 6 in the base of the rim.

The invention relates to a ski, the ski being equipped with at least one aperture 4 extending into the space 3 between the ski top surface 1 and the ski running surface 2 and closed at the top by a transparent closure member 5.

PCT No. PCT/US87/03413 Sec. 371 Date Aug. 4, 1989 Sec. 102(e) Date Aug. 4, 1989 PCT Filed Dec. 18, 1987 PCT Pub. No. WO89/05798 PCT Pub. Date Jun. 29, 1989.The present invention is concerned with the novel pharmaceutically acceptable tromethamine salt of 1-methyl-beta-oxo-alpha-(phenylcarbamoyl)-2-pyrrolepropionitrile of the formula II (II) pharmaceutical compositions comprising said sa...

Pasteurization of lyophilized plasmaproteins in powder form in suspension in a heat transfer agent which is liquid at the pasteurization temperature and does not decompose at this temperature and which reduces the biological activity of the plasma proteins on heating at 60 degree C for 2 hours to not less than 75% of the initial activity. This heat transfer agent is preferably selected from the gr...

The rolling mill has least two superimposed rolls 9, 10 with hydrostatic bearing elements 11-14 acting directly on the outer jackets of the roll barrels. A wedge adjustment 31 with wedge surfaces mutually displaceable parallel to the roll axes is provided underneath the two hydrostatic bearing elements 13, 14, 15 of the lowermost roll 10, which wedge adjustment is subject to the action of an hydra...

A furniture hinge for a door wing with a lateral and depth adjustment fitting. A base plate for attachment to a piece of furniture is adjustably connected to a hinge arm, and a pivot bearing is constructed on the free end of the hinge arm, whereby the inclination of the hinge arm is adjustable relative to the base plate by two fixing screws, each of which is capable of being screwed in to the furn...

The fuel injector according to the invention comprises a needle valve 5 which slides inside a body counter to an elastic return device comprising two springs in series, defining two parts in the needle lift stroke, and a seat 6 through which the injection ports 4 open. In the first part of its lift stroke, the needle 5 moves away from the seat 6 by an amount such that the area of the imaginary cyl...

The outlets (2) of the waste-gas ducts of two mutually adjacently arranged, burner-heated appliances, e.g. water heaters (1), open into a common waste gas-collecting box (4) with a waste-gas outlet (8) which can be connected to a chimney or similar waste-gas discharge. This waste-gas outlet (8) can be assigned a flow safety means common to both appliances (1), which can consist of an extension (5)...

The invention relates to a method for automatically controlling the working depth of hydraulically driven soil-tilling machines, for example rotary hoes, to a control arrangement for carrying out the method and to a soil-tilling machine equipped with the control arrangement. To automate the setting of the working depth, the pressure of the hydraulic drive necessary for driving the soil-tilling mac...

The invention relates to a method of forming surface structures on a female mould consisting of a metallic pressed plate, an endless belt or the like, in particular for producing embossed engravings on pressed plastic plates or plastic laminates or the like. In order to obtain extremely precise reproductions of any specified surface structures and to extend the field of application of one and...