Abstract

The invention relates to a device (1) for identifying and/or authenticating a material (2) or an object, in particular for sorting dark or black plastic materials containing chemical tracers at concentrations of less than 50 ppm, comprising: - a source (3) of UV or IR excitation radiation (4); - a detector (6) for detecting fluorescence emitted by the material (2) subjected to said radiation; - processing means (8) for detecting and identifying the tracers. The invention also relates to a method for using such a device.

IPC Classes  ?

• G01N 21/64 - FluorescencePhosphorescence
• G01N 21/85 - Investigating moving fluids or granular solids
• B07C 5/342 - Sorting according to other particular properties according to optical properties, e.g. colour

Abstract

The invention relates to a machining device comprising a supporting structure, a transmission shaft (3) and a drive mechanism (1) comprising a first meshing member (13) able to drive the rotation of said shaft about the axis (A) thereof, a second meshing member (17) in a helicoidal connection with said shaft in order to drive the translational movement of said shaft along the axis thereof in a feed movement, dependent on the relative rotational velocity of said first and second meshing members, and means for generating axial oscillations. According to the invention, said second meshing member (17) is translationally mobile with respect to said supporting structure along the axis (A), said means of generating axial oscillations comprising an electromechanical actuator (20) mounted in a fixed frame of reference connected with said supporting structure, able to be coupled axially to said second meshing member (17) to cause it to oscillate translationally so as to superpose an axial oscillation component on said feed movement.

IPC Classes  ?

• B23B 37/00 - Boring by making use of vibrations of ultrasonic frequency
• B23B 47/34 - Arrangements for removing chips out of the holes madeChip-breaking arrangements attached to the tool
• B23Q 5/32 - Feeding working-spindles

Abstract

The rotary drive system includes: a direct voltage source (102); an electric motor (104) having an axis of rotation (A), and including independent phases having directions about the axis of rotation; an inverter (106) for connecting each phase to the direct voltage source (102); and a control device (110) for supplying a command to the inverter (106). The control device includes: elements (118) for selecting a formula from predefined formulas, each predefined formula being intended to calculate either a homopolar voltage set-point, or a homopolar current set-point; elements (124) for determining a set-point intended to apply the selected formula to determine, according to the formula selected, either a homopolar voltage set-point, or a homopolar current set-point, and elements (126) for determining a command intended to determine the command of the inverter (106) based on the set-point determined.

IPC Classes  ?

• H02P 6/12 - Monitoring commutationProviding indication of commutation failure
• H02P 6/00 - Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor positionElectronic commutators therefor
• H02P 21/00 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
• H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration

Abstract

Alloy obtained by this process and prostheses made from such an alloy.

IPC Classes  ?

• A61L 27/06 - Titanium or titanium alloys
• C21D 8/00 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
• C22F 1/18 - High-melting or refractory metals or alloys based thereon
• C22C 14/00 - Alloys based on titanium
• A61L 27/50 - Materials characterised by their function or physical properties

Abstract

The invention relates to a method for the thermomechanical treatment of a titanium alloy comprising between 23 and 27% niobium by atomic proportion, between 0 and 10% zirconium, and between 0 et 1% oxygen, nitrogen and/or silicon, wherein the following steps are carried out: a) an increase in the temperature of the sample of the alloy to a temperature above 900°C; b) a rapid quenching; c) a severe cold deformation; and d) an aging treatment at a temperature between 200 and 600°C, the duration of the treatment being between 10 seconds and 10 minutes. The invention further relates to an alloy obtained by said method and to prostheses produced from such an alloy.

IPC Classes  ?

• C22C 14/00 - Alloys based on titanium
• C22F 1/18 - High-melting or refractory metals or alloys based thereon
• C21D 8/00 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
• A61F 2/28 - Bones
• A61L 27/06 - Titanium or titanium alloys
• A61K 6/04 - Use of metals or alloys

Abstract

The invention relates to a device for descaling the slats of an air cooling tower, including a hammer (1) comprising a casing (2) in which a piston (3) is mounted, which piston is movable between an in position and an out position, such as to periodically move the piston (3) out and then in again in such a manner as to detach the scaling from a slat by knocking against said slat with a percussive end (4) of the piston (3), and including the means for blowing air, located at the end of percussive end (4) of the piston (3) for extracting by blowing the scaling that has been detached by percussive action.

IPC Classes  ?

• F28G 13/00 - Appliances or processes not covered by groups Combinations of appliances or processes covered by groups

Abstract

a) of said tool being supported by the end of a rod (13) of a cylinder (11), the body (12) of which is mounted so as to be mobile relative to the frame (1) along the axis thereof, a piston (23) rigidly connected to the rod (13) and defining, in the body, a first chamber (26) which is constantly connected to a source of pressurized fluid and to a second chamber (27) through which the rod (13) passes, is in communication with the first chamber (26) as long as the rod (13) is at least partially retracted into the cylinder body (12) and insulated from the latter, and is connected to the exhaust when the rod (13) is in an end extension position outside the body (12).

IPC Classes  ?

• F28G 1/14 - Pull-through rods
• F28G 1/12 - Fluid-propelled scrapers, bullets, or like solid bodies
• F28G 1/02 - Non-rotary, e.g. reciprocated, appliances having brushes
• F28G 1/08 - Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
• F28G 1/10 - Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted resiliently mounted
• F28G 15/02 - Supports for cleaning appliances, e.g. frames
• F28G 15/04 - Feeding or driving arrangements, e.g. power operation
• F28C 1/00 - Direct-contact trickle coolers, e.g. cooling towers
• F28F 25/08 - Splashing boards or grids, e.g. for converting liquid sprays into liquid filmsElements or beds for increasing the area of the contact surface

Abstract

The invention relates to a tension micromachine intended to be used in an electronic scanning microscope enclosure or with a diffraction apparatus, comprising two jaws (1) carried by two supports, each jaw (1) being intended to receive an end of a mechanical specimen (4), and means for exerting loads on the supports tending to separate them or to bring them closer together along a longitudinal direction (AL), each jaw (1) comprising a base (2) and a flange (3) for fixing an end (21) of a specimen (4) to the jaw (1) while clamping it between the flange (3) and the base (2) by means of at least two screws (12-5) each passing through the flange (3) and at least a part of the base (2), these two screws (12-15) being situated on either side of the specimen end (21).

IPC Classes  ?

• G01N 3/04 - Chucks
• G01N 3/08 - Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

Abstract

A drilling head (1) with an axial oscillation generator, includes a mounting (2) for coupling the head to a motor for rotating the mounting about an axis, the mounting (2) having a longitudinal axis (5) coinciding with the axis of rotation of the motor, a tool holder (3), an elastically deformable element (6) for retaining the tool holder (3) in the mounting (2) and an element (7) for guiding the tool holder (3) in the mounting (2) along the longitudinal axis (5) of the mounting, wherein the mounting of the drilling head includes a controlled generator (8) of reciprocating movements in the direction of the aforementioned axis (5) positioned between the mounting (2) and the tool holder, the tool holder and the generator being connected by a longitudinal coupling member (9) suitable for damping the impacts withstood by the tool holder while enabling the transmission of the reciprocating movements.

IPC Classes  ?

• B23B 37/00 - Boring by making use of vibrations of ultrasonic frequency
• B23B 29/12 - Special arrangements on tool holders
• B23B 47/34 - Arrangements for removing chips out of the holes madeChip-breaking arrangements attached to the tool

Abstract

The present invention relates to a multilayer device (100) for an endogenous heating mold, and to a method for making said device (100), wherein the device (100) comprises a composite structure (6) for defining at least one functional surface (7) having at least two composite reinforcing layers (4) bonded to a heat-curable resin, and a heating array (9) comprising a heating cord (1) connected to a power supply and such that, according to the invention, the heating cord (1) comprises an electrically insulating core made of dry fibers capable of being impregnated by means of the resin and on which a resistive wire is wound.

IPC Classes  ?

• H05B 3/28 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
• H05B 3/48 - Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
• B29C 33/02 - Moulds or coresDetails thereof or accessories therefor with incorporated heating or cooling means

Abstract

The invention relates to a method for acquiring the optimized parameters of a machining operation in the application of COM methodology, comprising: providing a plurality of readings indicative of the specific cutting energy (Kc) during an equal plurality of tests carried out with an imposed value, that is different from one test to another by at least one variable representative of the cutting operations, one of said variables being the cutting speed (Vc) and another being the advance rate (f); next determining a range of values of each of said variables including the optimal value for said variable obtained by means of processing the results for carrying out the machining operation; characterized in that a specific program (10a) of the digital control (7) is used for obtaining a continuous variation of the values of the variable during a single machining pass for a test, and in that the data read are formed during said single pass by the different values of the torque current (Iq) of the motor of the machine pin from which the corresponding values of (Kc) are derived by means of computational processing.

IPC Classes  ?

• G05B 19/401 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes

Abstract

The invention relates to a machine for descaling cells (3) of a cellular runoff body (2) used in an air-water exchanger, characterized in that it comprises at least one tool (6, 7) having an active tip (6a, 7a) and mounted on a frame (1) so as to be mobile between two positions in one direction common to all of the tools (6, 7) supported by the frame (1), the active tip (6a, 7a) of said tool being supported by the end of a rod (13) of a cylinder (11), the body (12) of which is mounted so as to be mobile relative to the frame (1) along the axis thereof, a piston (23) rigidly connected to the rod (13) and defining, in the body, a first chamber (26) which is constantly connected to a source of pressurized fluid and to a second chamber (27) through which the rod (13) passes, is in communication with the first chamber (26) as long as the rod (13) is at least partially retracted into the cylinder body (12) and insulated from the latter, and is connected to the exhaust when the rod (13) is in an end extension position outside the body (12).

IPC Classes  ?

• F28C 1/00 - Direct-contact trickle coolers, e.g. cooling towers
• F28F 25/08 - Splashing boards or grids, e.g. for converting liquid sprays into liquid filmsElements or beds for increasing the area of the contact surface
• F28G 1/02 - Non-rotary, e.g. reciprocated, appliances having brushes
• F28G 1/08 - Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
• F28G 1/10 - Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted resiliently mounted
• F28G 1/14 - Pull-through rods
• F28G 15/02 - Supports for cleaning appliances, e.g. frames
• F28G 15/04 - Feeding or driving arrangements, e.g. power operation
• F15B 15/14 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit of the straight-cylinder type

Abstract

The invention relates to a method for shaping using a machine comprising a main actuator and equipment, at least a portion of which is driven by said main actuator so as to exert forces on the material to be shaped. The machine is provided with a vibrator for vibrating at least a portion of said equipment, as well as with a control unit. The vibrator is controlled so as to produce vibrations inducing a variation in the deformation speed (ε∸) of the material (8), said speed being consistent with a predetermined waveform comprising a portion (αT, βT-αT) during which the deformation speed (ε∸) has a constant value (ε∸h, ε∸i) distinct from the vibration frequency. The invention can be used in various shaping methods, such as forging.

IPC Classes  ?

• G05D 19/02 - Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means

Abstract

The invention relates to a wheelchair travel simulation apparatus comprising: a computer (1) for simulating the movement of a virtual wheelchair in a virtual environment; a display means (3) for displaying said movement; a means (5) for supporting an actual wheelchair, comprising sensors (9) that are associated with the actual wheelchair and are capable of transmitting, to the computer, information for commanding the movement of the actual wheelchair, the computer adjusting the movement of the virtual wheelchair on the basis of the received movement command information; and actuators (11) for tilting said supporting means on the basis of commands transmitted by the computer such that the tilting of said supporting means is consistent with the surroundings in which the virtual wheelchair moves. Said supporting means further comprises a plate onto which said actual wheelchair is fastened, said plate being pivotable about a stationary point.

IPC Classes  ?

• G09B 9/042 - Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of land vehicles providing simulation in a real vehicle

Abstract

The invention relates to a soundproof wall member (16-20), wherein a mechanical structure (21-25) carries tyres (3), each tyre (3) comprising a tread and two flanges each ending in an inner circular edge along the outer surface of said column (21-25), each tyre being closed at the inner circular edges (8, 9) so as to define a toroid cavity (11). Each tyre (3) includes at the tread or one of the flanges thereof at least one transverse opening connecting the cavity and the outer environment in order to form a collar that defines together with the cavity a system reacting as a Helmoltz resonator in order to absorb a portion of an incident sound signal. The invention can be used for a soundproof wall for the insulation of people living close to a vehicle or railway circulation track.

IPC Classes  ?

• E01F 8/00 - Arrangements for absorbing or reflecting air transmitted noise from road or railway traffic

Abstract

The invention relates to a drilling head (1) with an axial oscillation generator, comprising a mounting (2) for coupling the head to a motor for rotating the mounting about an axis, the mounting (2) having a longitudinal axis (5) coinciding with the axis of rotation of the motor, a tool holder (3), an elastically deformable means (6) for retaining the tool holder (3) in the mounting (2) and a means (7) for guiding the tool holder (3) in the mounting (2) along the longitudinal axis (5) of said mounting, wherein the mounting of the drilling head includes a controlled generator (8) of reciprocating movements in the direction of the aforementioned axis (5) positioned between the mounting (2) and the tool holder (3), the tool holder and the generator being connected by a longitudinal coupling member (9) suitable for damping the impacts withstood by the tool holder (3) while enabling the transmission of the reciprocating movements.

IPC Classes  ?

• B23B 29/12 - Special arrangements on tool holders
• B23B 47/34 - Arrangements for removing chips out of the holes madeChip-breaking arrangements attached to the tool
• B23B 37/00 - Boring by making use of vibrations of ultrasonic frequency

Abstract

The invention relates to a device for extracting a liquid (14) contained in a container (12, 13, 15) made of an infrangible material, such as a container containing a liquid or pasty cosmetic or food product. The device comprises two wheels (1, 2), rotating about parallel axes (AX1, AX2) while being separated from each other by a gap (E), and a motor-driven means (3) for rotating said two wheels (1, 2) in the reverse direction. At least one of the wheels (1, 2) comprises spikes (7, 11) that radially project from an basic outer diameter of said wheel (D1, D2) and are inserted into corresponding recesses in the other wheel (1, 2; 21). The device ensures the compression and boring of the containers (12, 13, 15) at the same time when the containers pass through the gap (E) separating the two wheels.

IPC Classes  ?

• B65B 69/00 - Unpacking of articles or materials, not otherwise provided for

Abstract

The invention relates to a blast cannon (1) that comprises a piston (13) mobile between an opening position and a closed position for cyclically generating gas or pressurised-air blasts. The cannon comprises a gas inlet chamber (7), a discharge nozzle (4) in communication with the inlet chamber (7), an adjustment chamber (11), a mobile piston (13) having two surfaces (18, 19) with opposite orientations and which are continuously subjected respectively to the pressure of the inlet chamber (7) and to the pressure of the adjustment chamber (11). The mobile piston (13) can either bear against a seat (24) of the nozzle (4) or be spaced from said seat (24), and the contact areas through which the piston (13) and the seat (24) bear against each other are of the surface type. The invention particularly relates to the field of cleaning by the application of blasts.

IPC Classes  ?

• F16K 31/363 - Operating meansReleasing devices actuated by fluid in which fluid from the conduit is constantly supplied to the fluid motor the fluid acting on a piston
• B08B 3/12 - Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations

Abstract

The invention relates to a platen for measuring force with inertial compensation and comprising a base plate (4), an upper plate (5) and piezoelectric force sensors bridged together by each of the plates (4, 5), characterised in that the lower plate (5), intended for rigid interaction with a part to be machined of a machining tool, is triangular and in that the number of sensors is at least three, and in that it further comprises a set of six single-axis accelerometers (10-15), three of which (10, 11, 12) are oriented in the direction of the platen body while the three others (13, 14, 15) are located in the plane of the platen, two of the latter accelerometers (13, 14) being perpendicular to one of the sides thereof while the last one (15) is parallel thereto. The measuring method that uses the platen comprises identifying the sensor by a least square method in order to define the mass (m) of the assembly and the position of the centre of gravity thereof, and processing by calculation the measuring signal value of the platen in order to derive the value of the cutting force by subtracting, from the measure value, the calculated value of the mass-type inertia forces multiplied by the acceleration.

IPC Classes  ?

• G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
• B23Q 17/09 - Arrangements for indicating or measuring on machine tools for indicating or measuring cutting pressure or cutting-tool condition, e.g. cutting ability, load on tool