In a device for aligning two articles 1, 3, having plane surfaces 4, 5 on the sides directed toward one another, so that these plane surfaces are in a parallel position, in which device, at least for one article 4, the inclination of a carrier 2, adjustable via one or more precision actuators in a direction of adjustment running perpendicularly to the plane surface 5 of the other article 3, can be...

A connection element 2 of preferably conical design is connected at one end to a manhole tube 1. The wall thickness D of the connection element 2 considerably exceeds the wall thickness d of the manhole tube 1 and is in particular at least three times the wall thickness of the manhole tube 1. That end of the manhole tube 1 which is connected to the connection element 2 is accommodated by a step 4 ...

An automatic valve for use in compressors or as a non-return valve in some other context has a valve seat with passages which are controlled by a closing plate (16). The closing plate (16) consists of a closing part (27) with concentric rings (19) which are connected by radial webs (29). The closing part (27) is guided by flexible links (26). In order to increase the cross-section of flow through ...

In a block diagram for several electromagnetically controlled hydraulic valves and a pressure valve connected upstream of these hydraulic valves, each of which valves has only one "on/off position", an electric circuit is provided, and this electric circuit, when any hydraulic valve 4, 4', 4'', 4''' for the working cylinders is actuated in the "lifting" position, causes all the other hydraulic val...

A process is disclosed for melting scrap, in particular from cars. The charge is introduced in pieces or batches by means of a charging tube (3) that extends through a closed lid (2). Electrodes (15) for heating the molten bath are excentrically arranged with respect to the scrap supply (3). Flue gasses and pyrolysis waste gasses are drawn off concentrically to the scrap supply (5), gas burners (1...

A master station is connected via a single data line 13 to a plurality of addressable slave stations; data are transmitted to the slave stations 2 using pulse length modulation. In order to be able to interpret these data correctly despite controls on the data line 13, the slave stations 2 operate as follows: a 2-bit counter 32, at the clock frequency of an oscillator 31, is used to count up to th...

Pressure regulator for a gas-heated heating appliance with a blower 21 which is connected via throttles to an air inlet and a gas inlet and the delivery side of which is connected to a burner, the outflow side of an air restrictor 20 being connected to a space 43, delimited by a control diaphragm 10 and a servo-diaphragm 11, of the pressure regulator 29, the pressure in the vacuum chamber acting u...

The invention relates to an electrical switching device for installation purposes, having a contact system which is novel for these purposes in comparison with the conventional method of construction. According to the invention, the contacts are closed in an oppositely moving manner. In this arrangement, the switch mechanism according to Fig. 3 consists of two contact springs (9), which are constr...

The acoustic therapy couch comprises a sound emitter body with one or more strings fixed to it. The size and shape of the sound emitter body are such that a person can comfortably sit or lie on it. It is pref. in the form of a seat or couch, rectangular in shape. The strings are fitted underneath and held taut between two end ribs. It can be supported by feet, while the strings can be tuned to the...

The invention relates to easy chairs for groups of seats convertible into couches according to Patent No. 398 889. The invention is primarily characterized in that the roller bearings 231 are displaceable vertically and are subject to the action of a spring 220, which can be blocked indirectly by means of individual levers 205 which act on the individual roller bearings and on which the hinge-moun...

The power supply system is for a moving machine, eg. a crane (1) running on rails (3). The crane has running wheels (2) engaging the rail. The power supply cable (5) is separate from the rails. It is fixed at one end and the other end is wound up on a reel (8) on the crane. It passes over a guide roll (7) and is held at intervals on hooks attached to struts (9) with wheels (16) which can be deflec...

Reusable packaging having at least one base-forming or cover-forming rigid-foam part 2 and corrugated-board walls 3 which can be connected thereto, the borders of the rigid-foam part or parts 2 being reinforced by cross- sectionally L-shaped profile rails. In order to be able to ensure convenient assembly along with straightforward design of the packaging, it is provided that the profile rails are...

A second heat exchanger (5) in the mixing space is of the bladed type and stands parallel to the burner plate with the blades (13) angled against the mixture flow. Specifically these are bent blades whose two legs (14,15) are angled against the flow. The mixing space has an expanded entry and is closed off above by the finely perforated distributor and is joined to a blower-fitted mixture pipe. Th...

Process for the preparation of silicon-bridged unsymmetrical cyclopentadienyl, indenyl and fluorenyl ligand systems in which a) alkoxyhalosilanes are selectively monosubstituted with cyclopentadienides, indenides or fluorenides, b) the alkoxy group of the monosubstituted compounds is replaced by halogen, c) the resulting halogen compounds are reacted by replacement with cyclopentadienides, indenid...

The invention relates to a cutter loader, the cutting device 3 of which is arranged in the frame 1 of the loader in front of the lifting arms of a pick-up 4 and the cutting-unit part of which is arranged on a guide frame 28 which extends essentially transversely to the direction of travel of the cutter loader, an angular gear 11 for driving the cutting unit 3 being installed on the driveshaft 7 fo...

The prodn. of water-dilutable urethane (PU) resins (I) comprises reacting, (A) 1.0 mole hexamethylene diisocyanate (HDI) in which 50 mole% of the NCO gps. are present as urethane gps. following reaction with (a1) (meth)acryloyl gp.-contg. alcohols and opt. (a2) aliphatic mono-alcohols, with (B) 0.25-0.45 mole 2,2'-bis-hydroxymethyl-propionic acid (DMPA) at 7-90 degrees C until all OH gps. have rea...

The applicator comprises a frame(s) standing on the ground, with several support legs (2) interconnected by transverse girders (3). On the transverse girders are mounted jibs (10,39;18,40), rotatable about a vertical axis, whose arms are pivotally interconnected and carry hoses (15,16). Typically there are two jibs, fitted one above the other. Each jib is pref. hollow for retaining the hose. The j...

Communications system having at least one amplifier 3, 4, which is connected to an electro acoustic transducer 5 and to a transmission line 1. In order to make it possible for the communications system to have a simple structure, it is provided that the transducer 5 can be operated in both directions, that is to say converts mechanical oscillations into electrical signals and/or converts electrica...

The testing equipment for determining mechanical fracture characteristics on cuboid or cylindrical sample bodies under biaxial stress comprises a force transmission device with integrated rolling-contact bearing and a wedge or truncated wedge which interacts with this device in order to introduce the bending tensile force without any friction, into the sample body in a direction which is perpendic...

Process and machine for making wire grids in which wires (D1, D2), after a straightening and tensioning process, are continuously bent to and fro and over one another with a predetermined amplitude about an imaginary longitudinal axis and welded together at their crossing points (K) to form a wire strip (B, B1), whereby first only two wires, immediately after having been shaped and bent over each ...