| Patent Number |
Title Of Patent |
Date Issued |
| 5094696 |
Method of removing paint |
March 10, 1992 |
| The invention relates to a blasting method for removing coatings of paint, varnish or like substances from objects coated with such substances, in which the objects are cooled in a condensed gas, e.g. liquid nitrogen, and then subjected, in a chilled state, to the effect of a blasting ag |
| 4766349 |
Arc electrode |
August 23, 1988 |
| An electrode for electric arc processes composed of a water-cooled holder (1) into which is fitted a case hardened of diffusion coated insert of zirconium or hafnium. The diffusion zone (5) consists of carbide, nitride, boride or silicide, compounds with very high melting points that wil |
| 4724297 |
Methods in the laser cutting of metallic workpieces |
February 9, 1988 |
| In laser cutting of metallic workpieces, for avoiding burr and slag formation in the kerf, providing good weldability and high cutting speed in the workpiece, use is made of a cutting gas which comprises at least one active gas, such as for example, oxygen. The cutting gas is mixed with |
| 4718646 |
Ladle head |
January 12, 1988 |
| A head which is intended to be mounted on a ladle, is provided inside with refractory material. At least one burner for liquid or gaseous fuel and oxygen gas for heating the melt in the ladle is disposed in the head. The head is provided with retainer means for the burner, by the interme |
| 4716272 |
Method of attaching a connection piece to a metal surface by brazing |
December 29, 1987 |
| A method of attaching a connection piece of metal to a metal surface by brazing wherein the required heat is generated by an electric arc. The heat generated by the electric arc is conducted through at least a portion of the connection piece and melts a brazing metal provided between the |
| 4715877 |
Apparatuses in the manufacture of mineral wool |
December 29, 1987 |
| An apparatus for preventing the solidification and accumulation of material from the tapping jet in and on the tapping spout in the manufacture of mineral wool includes at least one oxy-fuel burner at the discharge section of the tapping spout to the spinning machine. The burner (13) is |
| 4653731 |
Device in cutting torches |
March 31, 1987 |
| A device in a cutting torch which comprises a torch body with a valve housing and a nozzle and with a cutting oxygen duct, a heating oxygen duct and a combustion gas duct disposed in the torch, there being disposed in the torch a connection line which contains a throttling member between |
| 4534397 |
Method for producing chemimechanical high yield pulp using an oxygen alkali treatment followed b |
August 13, 1985 |
| A method for producing pulp in high yield in order to achieve strength improvement and increased absorption of liquid in the end-product, the paper, whereby a lignocellulosic material is treated in liquid or gas phase in alkalic media, the treatment thereby being performed in the pre |
| 4526526 |
Apparatus for internal cooling in extrusion of tube-shaped objects |
July 2, 1985 |
| A method and apparatus for internal cooling of extruded tube-shaped objects wherein liquid nitrogen is inserted into the tube and evaporated there out of contact with the tube on account of the heat from the tube whereafter only evaporated nitrogen is made to pass through the inner surfa |
| 4455826 |
Thermodynamic machine and method |
June 26, 1984 |
| In thermodynamic apparatus and methods utilizing constant volume cycling devices, substantial improvements in energy output can be gained by utilization of an integrated thermodynamic process placing regenerator efficiency in a higher regime. Displacer elements operating in phased re |
| 4421273 |
Method and apparatus for supplying oxygen gas for fuel combustion |
December 20, 1983 |
| Atomized fuel is sprayed in the form of a cone with the apex of the cone in the aperture of the spray device. Oxygen gas is supplied centrally of the cone and the high temperature resulting from oxygen-supported combustion is generated in the internal portion of the cone. Air, or oxygen- |
| 4398971 |
Method of heating, holding or heat treatment of metal material |
August 16, 1983 |
| In an indirectly heated, gas-fired furnace (10) for the heat treatment of metal material in an atmosphere of processing gas consisting predominantly of nitrogen, the processing gas is produced using the heating exhaust gases as the principal raw material. The exhaust gases are cooled, |
| 4361145 |
Respirator mask |
November 30, 1982 |
| A respirator mask that incorporates a respiration valve with a pressure chamber (8) between a breathing space (6) in front of the user's respiratory organs and the surrounding atmosphere. A gauge pressure in front of the user's respiratory organs during the inhalation phase as well a |
| 4357833 |
Position determination equipment |
November 9, 1982 |
| An apparatus for determining the position of an object which is moving along an axis at frequent intervals of time and without making mechanical contact with the object, comprising position determinator means for providing an accurate position determination of said object at relatively |
| 4327550 |
Thermodynamic machine |
May 4, 1982 |
| A hot-gas engine the power output of which is regulatable comprises a cylinder defining variable-volume primary and secondary chambers separated by a piston moving in the cylinder, the movement of which piston is transmitted to an external system extracting the mechanical work produced |
| 4318399 |
Respirator apparatus |
March 9, 1982 |
| Respirators work cyclically with an inspiration phase, in which breathing gas is forced into the lungs of a patient, followed by an expiration phase, in which the supply of breathing gas to the patient is stopped and the patient is exhaling by himself. There is a risk that the patient wi |
| 4295201 |
Electronic distance-measuring instrument |
October 13, 1981 |
| A distance measuring instrument is provided for simple fieldwise mapping of an area. The instrument comprises an electronic distance meter, a unit for determining a vertical angle for aligning the instrument with a measuring point, and a unit for obtaining a horizontal angle for the alig |
| 4293096 |
Arrangement in a burner |
October 6, 1981 |
| Arrangement in a cutting burner to clean and cool the cutting oxygen channel in the burner nozzle during the heating procedure. The arrangement comprises a connection line with an incorporated throttling member between the heating oxygen gas channel and the cutting oxygen gas channel; an |
| 4277895 |
Apparatus for indicating angular position in a vertical direction |
July 14, 1981 |
| An accelerometer is provided which comprises a pendulum rotatable about an axis and which is arranged for measuring vertical angles. A rotatable device which is preferably of the moving coil type is located at the axis of rotation of the pendulum. The rotational device preferably compris |
| 4259846 |
Vessel for storing cryogenic liquids |
April 7, 1981 |
| An arrangement for storing cryogenic liquid comprises a Dewar-flask-like vessel. The vessel is filled completely with a material able to absorb a cryogenic substance when said substance is in liquid form but only capable of absorbing said substance to a limited extent when said substance |
| 4254789 |
Apparatus for mixing media, such as gases or liquids |
March 10, 1981 |
| In an apparatus for mixing in given proportions two media, such as gases or liquids, the pressure of each said media is reduced to a working pressure by a respective regulator. The media from the regulators pass through a mixing means to a common mixing chamber through two gaps each of w |
| 4241732 |
Arrangement in respirators using a fluidistor to determine volume of air passed to a patient and |
December 30, 1980 |
| An arrangement is provided in a respirator for measuring the amount of gas passed to a patient through a supply line. The arrangement includes a self-oscillating fluidistor for dividing the gas flow into part volumes of a given magnitude and for generating an electrical pulse for each pa |
| 4240798 |
Method and apparatus for reducing ozone |
December 23, 1980 |
| In the decomposition of ozone in aircraft, the ozone level in an airflow upstream of the aircraft cabin is measured and a signal generated in accordance with the sensed level. This signal is amplified to a given value and a valve is opened or closed in response thereto. Connected to |
| 4240691 |
Protective device for optical elements |
December 23, 1980 |
| A device for keeping an outer surface of an optical element clean, said element being located in surroundings where deposits can be quickly formed on said element. The device has a protective device or screen with an opening placed in front of the surface to be protected. This opening ha |
| 4229102 |
Method and apparatus for balancing out disturbances in distance measuring systems |
October 21, 1980 |
| A method and apparatus are provided for balancing out interference caused by stray coupling between the internal circuits of a distance measuring apparatus of the phase-type in a simple manner which produces a substantial increase of the usable measuring range. At least two groups of |
| 4226226 |
Solar energy collector |
October 7, 1980 |
| A compact, highly versatile, modular solar energy collector is achievable through the employment of well distributed bypass flow components providing a bypass mass flow within a given range across a thin collector face, in conjunction with a low height, laminar interior flow having a |
| 4223300 |
Electro mechanical position indicator using relatively moveable coils |
September 16, 1980 |
| An electromechanical positioner indicator is provided which comprises first and second relatively movable parts, the first part including two oppositely facing surfaces which are everywhere equidistant and the second part including two surfaces which are everywhere equidistant and which |
| 4219011 |
Modular solar energy collector systems |
August 26, 1980 |
| A readily fabricated, high efficient modular solar energy collector that may be arranged in a wide variety of arrays comprises a relatively small, typically but not necessarily rectangular, panel structure that is centrally coupled to an insulative support that may define an outlet c |
| 4208672 |
Method and apparatus for producing a color thermogram on photographic film |
June 17, 1980 |
| A method and apparatus are provided for producing a color thermogram on a color film beginning with images, such as those of a black and white television monitor, projected on the color film through color filters, with preferably three achromatic images being formed. The intensity of the |
| 4187868 |
Method and device for cleaning a sloping or vertical surface on an optical element |
February 12, 1980 |
| A method and apparatus for cleaning a surface of an optical element, such as germanium or silicon, of a larger arrangement, such as an infra-red camera. Cleaning liquid is applied to the surface and vibrated at a frequency to facilitate cleaning, such as 20-50 kHz. The invention is r |
| 4172661 |
Optical measuring method |
October 30, 1979 |
| A method of making a series of measurements of the relative position of a point on the surface of an object in an object related coordinate system is disclosed. The object is turnable around an axle. The point, which moves between each measurement, is measured by an optical distance and |
| 4169715 |
Fractionating apparatus |
October 2, 1979 |
| This invention relates to apparatus for removing nitrogen from air. A compressor forces the air into a bed which is capable of adsorbing nitrogen from the air and also removes gas from the bed by suction. The cylinder of the compressor communicates directly with the bed through a pip |
| 4169655 |
Protective device for protection against radiation during welding |
October 2, 1979 |
| A protective device is disclosed which is useful in protecting an operator against radiation emitted during welding. The protective device, which is employed in the presence of a surrounding light source, includes an interference filter which has a spectrally selective portion with bands |
| 4136721 |
Method and apparatus for transferring liquid from a storage container to a vessel in a controlle |
January 30, 1979 |
| A method and apparatus for transferring liquid from a first vessel to a second vessel. The second vessel communicates with the first vessel at a location beneath the surface of the liquid contained therein and means are provided for passing vapor present above the surface of said liquid |
| 4089090 |
Arrangement for perforating a stripe |
May 16, 1978 |
| An arrangement for perforation a stripe of a ductile material such as plastics or a ductile metal such as aluminum or copper and for forming a lattice of the stripe comprises a preferably rotating cutting roll, which cooperates with a holding-up tool. The cutting roll has at least one |
| 4087691 |
Reference radiation source in a device for measuring the radiation from an object |
May 2, 1978 |
| A device for measuring the radiation from an object by means of an optical system. The optical system comprises scanning devices for horizontal and vertical scanning with refracting rotating prisms. At least one radiation reference source is arranged in the optical system along the path |
| 4060076 |
Breathing apparatus incorporating depth compensation |
November 29, 1977 |
| Breathing apparatus is provided for use under water which comprises a connection device such as a helmet, mask, or the like and a breathing circuit in communication with the connection device. The breathing circuit includes a carbon-dioxide absorber and an expansible gas chamber, and, in |
| 4047087 |
Electromechanical transducer |
September 6, 1977 |
| An electromechanical transducer for converting mechanical analog angular information to electrical linear information, utilizing a primary winding and a first and second secondary winding, said secondary windings being arranged perpendicular to each other and rotatable in relationship to |
| 4025192 |
Optical measuring method |
May 24, 1977 |
| A method of measuring changes in the location of a physically inaccessible point on a surface is disclosed in which the surface may be moved relative to the measuring point between successive measurements. |
| 4017716 |
Method and apparatus for directing an observation member |
April 12, 1977 |
| Two systems are disclosed in which a pointer is directed towards a moving target over a predetermined time interval. Angular information is derived from the pointer during this time interval to generate signals indicative of the distance of the object from the pointer. During a second ti |
| 4015118 |
Controlling the amplification in a radiation detecting avalanche diode |
March 29, 1977 |
| A method and circuit for controlling the amplification in a radiation-detecting avalanche diode in which the diode generates electrical signals dependent upon the received radiation. These electrical signals are fed to evaluating means and a control signal is derived from the diode h |
| 4010777 |
Method for the achievement of an acetylene gas mixture |
March 8, 1977 |
| A method for achieving acetylene gas mixtures which can be stored safely in increased quantities in closed containers, with undiminished safety, is provided. |
| 4000815 |
Device for storage and transport of temperature sensitive goods |
January 4, 1977 |
| Apparatus for storage and transport of temperature sensitive goods comprises a load carrier pallet for supporting the goods, an upper insulating cover for covering the goods and the upper edge of the pallet, a lower cover enclosing the pallet and the lower part of the upper cover, an |
| 4000652 |
Method and device for measuring the correction factor |
January 4, 1977 |
| Two embodiments of a device and method are disclosed for providing a correction factor for the velocity of electromagnetic radiation in air. The devices include a pressure-responsive vessel having a predetermined quantity of gas enclosed therein and means for sensing the size of the |
| 3993059 |
Device for ventilating a patient |
November 23, 1976 |
| A device for ventilating a patient by means of a lung ventilator which comprises a gas source and a controlled valve arrangement for intermittent feeding of breathing gas from the gas source. A connecting piece is mounted on an endotracheal tube or a tracheal cannula inserted into the |
| 3991940 |
Oxygen-fuel gas burner nozzle |
November 16, 1976 |
| In a burner nozzle for heating, flame cleaning, gas cutting, etc., where oxygen and fuel gas are mixed near the nozzle orifice, at least two expansion steps are provided for the oxygen, the last expansion step being connected by jet passages to nozzle discharge channels which intersect |
| 3985448 |
Angle or length measuring device |
October 12, 1976 |
| A measuring device is disclosed which can measure an angle or length and which employs either an angle or length measuring plate. The angle or length measuring plate has thereon at least one measuring scale which has a regular pattern along the majority of the lengths thereof and an |
| 3977760 |
Device for optical-mechanical scanning |
August 31, 1976 |
| A device for optical-mechanical scanning within the visual or infrared wavelength range, including an optical device to supply radiation from an image field to a rotating refracting optical means and then to a detecting means to receive and detect radiation passing through the rotating |
| 3966328 |
Device for generating a spatial reference plane |
June 29, 1976 |
| An apparatus for visibly indicating a spatial plane is disclosed, including a light emitter for generating a beam of light, means for dividing said beam of light into a pair of light beams, and means for scanning that pair of light beams in a pair of planes, wherein the planes in which t |
| 3963356 |
Optical sight |
June 15, 1976 |
| An optical sight, which includes a light source and a lens system wherein the lens system is an image of the light source, serving as an aiming point to the pointer's eye. The lens system has a reflecting surface for reflection in the direction of the pointer's eye of radiation from the |
