An ultrasonic Doppler probe which can be used together directly with a hollow needle for puncturing a blood vessel is disclosed. The hollow needle can be set once the blood vessel sought has been located with the ultrasonic Doppler probe. A needle guide passes concentrically through the probe head. The hollow needle is pushed through the needle guide. It can thus be set with great accuracy. The ul...

The invention relates to novel cyclopeptides of the formula I cyclo-(Arg-B-Asp-D-E) I in which B, D and E have the meaning given in Claim 1, and their salts. These compounds act as integrin inhibitors and can be used in particular for the prophylaxis and treatment of disorders of the circulation and in tumour therapy.

POLYURETHANE THICKENER COMPOSITIONS AND THEIR USE FOR THICKENING AQUEOUS SYSTEMS The present invention is directed to a thickener composition for thickening aqueous systems which contains a mixture of a) a water-soluble or water-dispersible thickener containing urethane groups, b) a non-ionic emulsifier and c) a compound corresponding to the formula (I) wherein R1 and R3 may be the same or d...

The purpose of the invention is to prevent accidental contact with live cables where these have been cut or worn. With this device it is possible to cut off the voltage before there is any contact. The active device of the tool is located in its plug and consists of a low-voltage relay. The control pushbutton, instead of closing the electrical supply circuit of the tool, closes the auxiliary circu...

The invention relates to a device for fastening a toilet lid on a WC pan so that it can be raised, including spaced-apart holes made in the toilet lid and studs each held via one end and the free ends of which are opposed, which studs are fastened to devices for fastening on the WC pan and which, in the active position, pass through the holes in the toilet lid. Device characterised in that one of ...

The circuit (CS) comprises a capacitor (C2) intended to be connected to the output (Nm) of the level sensor (T) via a resistor (R1) in such a way that in use the voltage of the said capacitor tends to follow the variations of the output voltage of the sensor (T) with a predetermined time constant and a voltage controlled current generator (OP1) the output and a first input of which are intended to...

A process and system for controlling thermal comfort in a passenger compartment (CAR) of a motor vehicle, in which the variable controlled is not the air temperature (Ta) but the equivalent temperature (Teq). The equivalent temperature (Teq) in an environment X is defined as the temperature of the walls and the air of an unventilated environment in which a human being would experience the same tem...

The device comprises anti-wind devices 9, 13 for diverting any reverse airflows or ones coming from the usual chimney 18, through an opening 19 in the environment outside the boiler 5. The device also comprises a butterfly element 20 for choking the input of ambient air through the opening 19, in such a way as to increase the airflow into the combustion chamber and improve the furnace power/CO emi...

The present invention lies in the field of educational and didactic toys and its purpose is the printing of the map of the world, or any other subject, onto a number N of pieces which, when properly joined together, produce a sphere, or a solid similar to a sphere, thus recreating the map of the world or any other subject.

Sharpening machine for blades of chenille machines, characterised in that it comprises a pair of grindstones 2, placed opposite each other and rotating in opposite directions, at a suitable distance so that they can be placed on opposite sides regarding the blade 1 being sharpened, each of which is intended to sharpen a corresponding side of the cutting edge 100 of said blade 1; pneumatic means fo...

Machine for automatically sewing two stockings together to form a pair of tights (pantihose) comprising several twinned flat forms (1) for supporting each pair of stockings to be joined, means for positioning and moving the stockings over the respective forms, with means for longitudinally cutting the said bodies, in which machine the said forms (1) are supported individually by corresponding form...

A copper block 1 to be applied to the rail incorporates a heat sensor 3 for measuring the temperature of the rail, and a C-shaped magnetic circuit 7 with its two ends on the surface 1A of the block 1 designed to make contact with the rail R; the said magnetic circuit 7 being combined with a primary electrical winding 9, capable of creating a cyclic signal, and a secondary electrical winding 12 cap...

From the continuous material 21 that is delivered to make the bags 21A are cut out at least two lengthwise strips 23A, 23B to form the laces; said strips are guided and diverted to be gathered in folds formed lengthwise with the margins M3 of said material, which serve to make the sheath and which are adjacent to the cut of the strips; the folded margins and the strips are then soldered to form th...

A device for automatically changing reels for feeding webs of wrapping material, especially for cigarette packaging machines, which comprises: a magazine for a row of coaxial full replacement reels (1), with means (2, 3) for successively feeding said reels (1) to a collecting station; an unwinding mandrel (20) whose axis is parallel with the axis of the row of reels (1), on which mandrel it is pos...

Glycosamine glycane salts with cations of formula I where X and Y are separately an alkylene chain or a single bond; A and A' are separately an alkylammonium- substituted cycloalkyl group, an N-substituted piperidinium group or a pyridinium group.

A device for the heat treatment of liquid or paste substances of the type generally associated with a paste- making and/or pasteurising machine, comprising at least one container placed within a covering sleeve and means attached to a first and a second circuit respectively for the circulation of different fluids in a heat exchange relationship with the container. The first heat exchange fluid, a ...

Salts of glycosamine glycanes with cations of formula I: in which R1, R2, R3 and R4 are separately hydrogen, straight or branched C1-C8 alkyl, C5-C6 cycloalkyl, C6- C10 aryl (C1-C8) alkyl, or R1 and R2, and R3 and R4 respectively, taken together with the nitrogen atom to which they are bound, form a heterocyclic ring having 5 or 6 members, which may possibly contain another heteroatom; n a...

Salts of glycosamine glycanes with cations of formula I in which: R1, R2, R3 and R4 are separately hydrogen, straight or branched C1-C8 alkyl, C4-C7 cycloalkyl, C6-C10 aryl-(C1- C8) alkyl, or R1 and R2, and R3 and R4 respectively, taken together with the nitrogen atom to which they are bound, form a 5- or 6- membered heterocyclic ring which may or may not contain another heteroatom, R5, R6...

Valve, especially for heating systems, in which one connection of the valve is in the form of an elongated tubular union projecting from the valve body and being integrated with it. On the tubular union is placed a tight connection collar which can move along the tubular union. The tubular union has an elastic stopping ring and the connection collar has a deformable gasket, co- operating with the ...

The invention consists of an external cylinder secured to the head of the piston engine, with an opening at the combustion chamber, for internal combustion motors, or the compression chamber, for compressors. Inside said stationary cylinder is a cylindrical sleeve with perimeter opening(s) which rotates about its axis with a number of turns constantly proportional to the number of turns of the mot...