baber/WOPTO huggingface dataset:
Patent GB-1047660-A (GB)
Title: Hydrostatic transmission
IPC: F16H61/46
Filed: 1964-08-06
Abstract: 1,047,660. Hydrostatic transmissions. NEW YORK AIR BRAKE CO. Aug. 6, 1964 [Oct. 24, 1963], No. 31991/64. Heading F2C. In a hydrostatic transmission, for driving rotary welding machinery or a radar antenna, comprising a pump and motor connected in closed circuit, an auxiliary loading means imposes on the motor a substantially constant load sufficiently large to ensure that a device imposing varying or reversible loads be driven by the motor smoothly at a substantially constant selected speed. In the particularly described application the transmission rotates a tank past a stationary welding torch, the auxiliary loading means overriding the influence of an eccentric hatch, the out-of-balance load of which, alternately retarding and accelerating the tank, may produce torque reversals which, by taking up transmission backlash, cause excessive buildup or a break in the weld. In the uni-directional drive shown, the auxiliary loading means comprises an auxiliary pressure compensated swash-plate pump 37 driven by a fixed displacement, swashplate motor 15 and connected between the motor 15 and a manually-controlled variable displacement swash-plate main pump 13 by conduits 19a, 19b The displacement of the pump 37 is varied in inverse relation to the pressure in its discharge conduit 19b by a spring-biased servomotor 42 connected to the conduit 19b through a pilot valve 43 so as to maintain a substantially constant discharge pressure. The conduit 19a is connected to the charge pump 24 and, through the shuttle valve 29, the lowpressure relief valve 28, to maintain the intake pressure at the pump 37 substantially constant. The auxiliary load on the motor 15 can be varied by changing the setting of the pressurecompensating means of the pump 37. Since the conduit 19b is connected to the main pump 13 a large part of the energy expended at the pump 37 is recouped. In the bi-directional drive of Fig. 4 (not shown), wherein the main pump swash-plate is movable over centre for flow direction change, the motor 15 and the auxiliary pump 37 are replaced by two swashplate pump-motor units each having pressurecompensating means. Flow-direction sensing valves in the conduits 18, 19 render one or other of the pressure-compensating means ineffective so that the pump-motor unit receiving the main pump discharge acts as a fixed displacement motor. In a uni-directional drive (Fig. 1, not shown), not according to the invention but included in the Specification, the auxiliary loading means comprises a throttle valve interposed in the return conduit from the motor to maintain a predetermined back-pressure. In a bi-directional drive (Fig. 2, not shown), also not according to the invention, wherein flow direction change is by reversing the pump rotational direction or moving the swash-plate over centre, throttle valves, with check valves in parallel are disposed in both conduits to and from the motor.
Patent GB-802631-A (GB)
Title: Improvements in or relating to medical examination tables
Inventor: MCDONALD ROBERT LOUIS
IPC: A61G13/02
Filed: 1955-11-09
Abstract: 802,631. Surgical tables. RITTER CO., Inc. Nov. 9, 1955, No. 32066/55. Class 52(3) In a medical examination table having a main table section 23 and a leg rest section 24, which can be disposed as shown in Fig. 1, pivoted at 33, 52 to a cradle 34 pivoted at 48 on a vertically adjustable support 44, a hydraulic cylinder 42 is connected between support 44 and cradle 34 for swinging the latter about its pivot to move the table sections to the position shown in Fig. 2. As shown the table is designed for examination of the rectum and the patient kneels on a rest 27 with the thighs supported by section 24 and the trunk and head by sections 23, 26. The table is then raised if necessary and then tilted to the position of Fig 2. Section 23 is pivoted at 33 to a cradle 34 to which is also pivoted at 51 the section 24. A strut 53 pivoted to the cradle and section 24 at 52, 54 is of adjustable length so that the angle of the section 24 relative to section 23 can be varied. Sections 26, 27 are adjustable along sections 23, 24 respectively. Cradle 34 is pivoted at 48 to uprights 44 which carry a fixed arm 59 fitted with a roller 61 which supports the abdomen end of section 23 in the position of Fig. 1 only. In the position of Fig. 2 the abdomen end of section 23 rides down on to the cradle so that the abdomen is not pressed on by section 23 but is supported by the end surface 64 of section 24. Uprights 44 are carried by a hydraulic cylinder 66 mounted in a base 21 and a second tilting cylinder 42 is pivoted to the cradle 34 and uprights 44 at 38, 62. The base has pedals 114, 116 for tilting and restoring the table and pedals 145, 146 for raising and lowering it and contains a oil sump 73, a motor-actuated pump 71 and valve and switch gear. In operation, when any one of pedals 114, 116, 145 is operated, a switch is closed to energize the pump motor and to close a solenoid vent valve 77. The pump withdraws oil from sump 73 through pipe 74 and forwards it to T-junction 87 and pipes 88 and 103, 106, the latter leading to valve 107. If pedal 145 was operated, valve 107 remained closed and oil pressure from pipe 88 flows through passage 89 and check valve 94 to raise cylinder 66 and the whole table. If pedal 114 or 116 was operated, valve 107 was opened to supply oil from pipe 106 to one end or the other of cylinder 42 to tilt the table or restore it, the other end of cylinder 42 being vented through further passages in valve 107 to sump 73. Oil has meanwhile been supplied to pipe 88 but cylinder 66 will not rise until cylinder 42 has completed its stroke because of the relative dimensions of the cylinders. When the pedal is released, the motor stops, valve 107 closes to trap oil in cylinder 42 and vent valve 77 opens, the table being held raised by check valve 94. To lower the table, pedal 146 is operated and this depresses a rod 102 to open a vent valve 101 whereupon the oil in cylinder 66 can drain to sump 73 through passages 97, 98 and valve 101.
Patent GB-209076-A (GB)
Title: A new or improved method of treating bodies to increase their strength
IPC: C23F1/00
Filed: 1923-12-21
Abstract: 209,076. Siemens - Schuckertwerke Ges. Dec. 22, 1922, [Convention date]. Pickling.-In a process for increasing the strength of materials subjected to stresses &c. the cracks or irregularities produced on the surface of the material during manufacture or by wear are reduced by treatment of a non-mechanical nature so as to eliminate, or reduce, the tendency of the cracks &c. to extend and endanger the strength. The surface of the material may be treated with chemical agents, such as caustic soda, so as to round off the edges of the fine cracks to such an extent that their tendency to extend is eliminated or reduced. In dealing with steel and other metallic materials, the latter may be treated with several caustic liquids either consecutively or alternately.
Patent GB-916038-A (GB)
Title: Improvements in and relating to diggers for harvesting tubers
IPC: A01D15/04
Filed: 1960-09-20
Abstract: 916,038. Root-crop harvesters. AEBI & CO. A.G. Sept. 20, 1960 [Jan. 29, 1960], No. 32194/60. Class 6(3). A root-crop harvester comprises shaking screens and lifting tines and is characterized in that two shaking screens lying side by side are associated with three pairs of lifting tines. The shaking screens comprise shares 10 and rods 11 and rotate about axes longitudinal of the machine as described in Specification 899,447. The tines 34 are adjustably supported from the cross-bar 35 which is secured either permanently or removably to the main frame of the machine. Rods 48 associated with the centre tines and 49 associated with the side tines guide the tubers into the shaking screens from which the tubers are deposited in a single row. It is stated that the shaking screens may oscillate about vertical axes.
Patent GB-300131-A (GB)
IPC: D01D10/04
Filed: 1928-11-05
Abstract: 300,131. K³ttner Akt.-Ges., F. Nov. 5, 1927, [Convention date]. Apparatus for making filaments.-The flattened cakes of artificial silk made by the centrifugal spinning process according to Specification 287,097 are dried before the threads are unwound and reeled or spooled.
Patent GB-466042-A (GB)
Title: Process for the manufacture of highly dispersed pigments
IPC: C09B67/00
Filed: 1935-11-22
Abstract: Metal-containing phthalocyanine pigments are dispersed, with simultaneous softening of the grain and improvement of the clarity and intensity of the shade, by mixing or milling them with dispersing agents in presence of water.  The dispersion may be effected at elevated temperature and, if desired, under pressure, and the pigment is preferably subjected to a preliminary dispersion by addition of water to its solution in acid, e.g. concentrated sulphuric acid.  A portion of the dispersing agent used may be subsequently removed. The dispersing agents are preferably also wetting agents, such as turkey red oil, condensation products of higher fatty alcohols, such as oleyl alcohol, with ethylene oxide or glycide, sulphonated fatty alcohols, naphthalene sulphonic acids and their condensation products with formaldehyde, sulphonated mineral oils and sulphite waste liquor.  They may be used alone or with water soluble organic compounds such as glycerol, polyglycerol or pyridine.  The following examples are specified: (1) equal weights of copper phthalocyanine and a condensation product of oleyl alcohol (1 mol.) with ethylene oxide (20 mols.) are finely ground together and pasted with water to obtain a dispersion containing 10 per cent of dyestuff and this dispersion is incorporated in (a) a solution of acetylcellulose in acetone and alcohol, the mixture being applied as a thin layer on a glass plate to obtain a transparent blue film, or (b) a mixture obtained from solutions of aluminium sulphate, sodium carbonate and barium chloride after washing out the soluble salts, the mass being then filtered and sized to obtain a preparation for use in printing wallpaper; (2) copper phthalocyanine, precipitated by water from its solution in concentrated sulphuric acid and washed until neutral, is finely ground with an equal weight of the condensation product used in (1) in presence of water to obtain a 10 per cent dyestuff paste which is incorporated in (a) a cuprammonium cellulose or viscose spinning solution to be spun into lustred blue threads, fast to rubbing, washing and light, (b) a mixture of tragacanth, albumen and water to obtain a preparation for printing on cotton, regenerated cellulose artificial silks, wool or natural silk, (c) a mixture of alcohol, the acetal from formaldehyde (1 mol.) and glycerol (1 mol.) and a solution of acetylcellulose in a mixture of the said acetal and alcohol to obtain a similar printing preparation, or (d) a diluted ammoniacal solution of casein with an addition of turkey red oil to obtain a covering dye preparation for leather.  Specifications 435,539 and 435,614 are referred to.
Patent GB-646728-A (GB)
Title: Improvements in or relating to stator casings for turbines, compressors and like rotary bladed fluid flow machines
Inventor: ISLIP LEONARD
IPC: F01D25/24
Filed: 1947-12-09
Abstract: 646,728. Elastic-fluid turbines; axial-flow compressors. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. Dec. 9, 1947. No. 32513. [Classes 110(i) and 110(iii)] In a stator casing assembly for a turbine, compressor or like rotary bladed fluid flow machine comprising at least two axially successive circular casing sections 1, each divided in a common plane extending generally in the axial direction, the sections are secured to peripherallycontinuous one-piece rings 8 to afford resistance to distortion. The rings may have a radial cross-section of outwardlytapering form, the major dimension of which extends in the radial direction.
Patent GB-263820-A (GB)
Title: Improvements in and relating to apparatus for classifying pulverized materials
IPC: B02C23/00
Filed: 1926-01-26
Abstract: 263,820. Hardinge Co., Inc., (Assignees of Hardinge, H.). Aug. 28, 1925, [Convention date]. Density separators.-A pulverizing-mill and appajatus for classifying and collecting the material from the material-laden air are arranged with an exhauster in such a manner that a greater part of the apparatus operates under low pressure. The mill 10 discharges the disintegrated material through the trunnion 11, the barrel 14, and the conduit 15, to the classifier 16, which is of the type described in Specification 257,568. The discharge pipe 22 of the clarifier is connected to the inlet of a dust collector 23, the outlet 25 of the collector being connected to the suction side of the exhauster 17 by a pipe 25. The pressure side of the exhauster is connected to a pipe 13, which enters the barrel 14 and terminates opposite a pipe 12 leading into the mill 10. The material passes from the mill round the outside of the pipe 12 to the barrel 14, and some drops into the space between the pipes 13, 12 and is carried again into the mill by the air current. From the barrel the material passes between the casings 16. 18 of the classifier, then between the vanes 19 which produce a whirling action, and air laden with small particles leaves the clarifier by the pipe 22. The heavy or large particles fall inside the casing 18 and are returned to the mill through the conduit 21 and pipe 13. The small particles are separated in the collector 23 and can be drawn off through the pipe 24. An adjustable baffle 26 is arranged in the pipe 13 close to the conduit 21 to restrict the cross-section at this point to vary the velocity of the air flow. With the arrangement as shown, the clarifier and the collector work at a low pressure. A vent pipe 27 with a controlling valve 28 may be attached to the pipe 13. A bye-pass conduit 29 with a valve 30 is arranged between the exhauster discharge and the clarifier entry 15 so that air can be drawn directly into the, clarifier without passing through the mill.
Patent GB-211840-A (GB)
Title: Improvements relating to torpedo directing apparatus
IPC: F41G9/00
Filed: 1923-12-31
Abstract: 211,840. Sperry Gyroscope Co., (Assignees of Bates, M. F.). Feb. 26, 1923, [Convention date]. Toothed wheels. - A pinion 73 is made in two parts connected by a spring 76 to prevent lost motion.
Patent GB-358319-A (GB)
Title: An apparatus for painting lines
IPC: B44D3/22
Filed: 1930-10-30
Abstract: 358,319. Brushes. WEBER, A., Coswig, Anhalt, Germany. Oct. 30, 1930, No. 32622. [Class 19.] Bridles for bristles. -An apparatus for attachment to a brush to enable one or more lines, which may be of different widths, to be drawn . or painted is provided with guide-plates a exchangeably carried on a slide c which is acted upon by a spring b and is adjustable along the brush by finger pressure on a lever f guided in a slot d. In a modification, Fig. 3, the guide-plates a are substantially circular in shape and are pivoted to turn on their axis against springs b under the action of a pivoted lever f.
Patent GB-465363-A (GB)
Title: Improvements in and relating to rotary motors, pumps and the like
IPC: F04C2/10
Filed: 1935-11-26
Abstract: 465,363. Gear - wheel motors. JERRARD, E. P., and JERRARD, P. H. Nov. 26, 1935, No. 32714. [Class 110 (ii)] A motor driven by compressed air comprises a number of pinions 1 ... 6 positioned between a central gear A and a ring gear B. The gears A, B, may rotate in opposite direction, and the axes of the pinions remain stationary. Inlet ports a and exhaust ports b may be reversed by rotating a control valve C through a handle e. Working fluid may be supplied to all inlets a simultaneously, or the fluid may flow in series from one port b to the inlets of two other pinions. In a modification the central wheel A is divided into two wheels side by side, the pinion 1 extends across the teeth of both wheels but the other pinions 2 .... 6 are also divided so that the two central wheels rotate at different speeds. The working fluid is fed to meshing wheels, and exhausted from them, by way of annular grooves in one side wall. The rotary valve C may be replaced by another type of valve.
Patent GB-744881-A (GB)
Title: Improvements in or relating to dobby looms
IPC: D03C1/12
Filed: 1953-11-25
Abstract: 744,881. Dobbies for looms. GUSKEN, T. A., [trading as GUSKEN, T. A.], and JANSEN, O. Nov. 25, 1953 [Nov. 25, 1952], No. 32744/53. Class 142 (2). The movement of each heald 3 is obtained from a shaft 11 through gears 10, 7, a link 4, a lever 1, and belts or chains 26. The shaft 11 makes one revolution and then remains stationary for a period. If a heald is not to be moved when the shaft 11 next rotates, a roller 22 on a pattern chain moves a pawl 18 into engagement with a tooth of the gear 10 and the pawl also presses back a sliding key 13 into a recess in the shaft 11 so that the gear does not rotate with the shaft. The gears 7 and 10 rotate in the ratio 1 : 2.
Patent GB-655935-A (GB)
Title: Improvements in or relating to the control of hot-gas reciprocating engines
IPC: F02G1/047
Filed: 1946-11-05
Abstract: 655,935. Hot-gas engines. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Nov. 5, 1946, No. 32811. Convention date, May 25,1943. [Class 7(i)] The supply of heat to the heater of a hot-gas engine is controlled in accordance with the pressure of the working medium. A temperature sensitive device is arranged in an aperture in the wall 35 of the heater 36. As shown, the temperature of the heater is controlled by varying the degree of opening of a valve 45 in the fuel supply line to a burner 37. The valve 45 is actuated by an electrical control unit 43. Variations of pressure of the working medium of the engine operate the movable contact of a potentiometer 42 and thus vary the voltage supplied from a thermocouple 38 to theunit. The variations of the voltage cause the unit to move the fuel valve and thus the temperature of the heater is controlled according to the pressure of the working medium. At lower pressures the highest temperature of the working medium is increased, thus increasing the efficiency of the engine. The average working pressure can be higher than the maximum average pressure permissible for known engines since the temperature of the heater is controlled to a lower pressure. A governor operates through a rod 51 to vary, for example, the phase between the displacer and piston of the engine. The action of the governor is modified by a hand control 55. The theory of the invention is explained with the aid of graphs showing the relation which exists between temperature and engine power, between strength and temperature, between temperature and pressure, between thermal efficiency and pressure and between turning moment' and engine speed.
Patent GB-817775-A (GB)
Title: Improvements in or relating to transparent screens
IPC: F21V9/00
Filed: 1957-10-22
Abstract: 817,775. Transparent screens for lighting fittings. BIERBRAUER, H., and FLEISCHER, G., [trading as FLEISCHER & CO. TEKTONISCHE FLACHGLASANWELDUNG, G.]. Oct. 22, 1957, No. 32874/57. Class 75(2) [Also in Group X] A flexible transparent screen for light fittings or for use in lighting systems for walls or ceilings to cover light sources which may be carried in separate fittings from the screen or for use over windows or roof lights comprises transparent strips 1, e.g. of glass or plastic sheet, plain or coloured, with smooth or figured surfaces, arranged side by side and connected by flexible strips 2 which may be of U-section as shown or of solid section such as of foam rubber or foamed plastic, or of resilient hollow form, interposed between and secured by adhesive to the adjoining edges of the transparent strips. These connecting strips 2 may also be transparent or semi-transparent and transparent adhesive may be used to connect the strips 1 to the strips 2. The solid section connecting strips may protrude beyond the surfaces of strips 2.
Patent GB-670633-A (GB)
Title: Improvements in or relating to picker stick linkage for a loom
IPC: D03D49/24
Filed: 1948-12-21
Abstract: 670,633. Loom picking motions. HOUDAILLE - HERSHEY CORPORATION. Dec. 21, 1948 [July 27, 1948], No. 32948/48. Class 142(iii) A picking-motion that gives the picker a substantially straight line motion, comprises a bracket 12 secured to the rock shaft 10 and having a pair of vertically spaced pivot bearings, 12b, 12c, a bracket 13 secured to the picking stick 11 and having a portion 13b extending towards the first bracket and carrying a pair of vertically spaced pivot bearings 13e, 13f, a link 14 connecting the upper bearings on the brackets and a link 15 connecting the lower bearings on the brackets, the links, when stationary, being non-parallel and non- vertical, and not passing through the vertical during the picking operation. The links may be identical or may be of unequal length. They may be single or double links according to the design of the pivot bearings. Specification 670,632 is referred to.
Patent GB-928168-A (GB)
Title: Improvements in or relating to mass filters including an electron impact source of ions
IPC: H01J49/14
Filed: 1960-09-26
Abstract: 928,168. Ion sources. SIEMENS-SCHUCKERTWERKE A.G. Sept. 26, 1960 [Sept. 25, 1959], No. 32985/60. Class 39 (1). In a mass filter, such as described in Specification 773,689, there is provided an electron impact ion source in which an electron beam is formed in the same direction as that of the beam of ions to be produced. The electrons may be caused to oscillate along the beam axis. The source includes an incandescent cathode 22, a Wehnelt grid 23, an anode 24 and an electrostatic ion focusing lens 25, 26. The gas to be ionised is admitted at right angles to the axis shown. A magnetic focusing lens may be used in place of the electrostatic lens.
Patent GB-1394143-A (GB)
Title: Method of making silicatefibre mat of high tensile strength
IPC: D04H/
Filed: 1973-07-11
Abstract: 1394143 Silicate fibre mat A AHLSTROM OSAKEYHTIO 11 July 1973 [12 July 1972] 33036/73 Heading D2B A silicate fibre mat is made by suspending two silicate fibre fractions in water, the thickness of the fibres in the two fractions being respectively 9-16Á and 1.5-6Á, feeding the suspension onto a screen to form a mat, adding a binding agent to the mat, and drying the mat. The finer fibres may comprise 5 to 50% by weight of the fibres. A dispersing agent may be added to the suspension, and the suspension may be pulped. The binding agent may be a urea-formaldehyde and starchpolyvinylacetate curtain system. In the example, the product comprises 68% of coarse fibres, 12% of the fibres and 20% of binding agent, by weight.
Patent GB-449246-A (GB)
Title: Improvements in and relating to the production of oils from fish livers
IPC: C11B1/00
Filed: 1934-11-16
Abstract: Oils are separated from fish livers, such as halibut livers, by treating the minced livers with dilute alkali, separating the resulting scum and treating it with hot water, adjusting the hydrogen ion concentration to faint alkalinity, causing the emulsion to break with addition, if necessary, of an electrolyte, and separating the oil.  Minced halibut livers are treated with 5 per cent caustic soda solution at 40 DEG  C., for several days.  The oily scum is separated and after treating with boiling water, the mixture is adjusted to pH8 by adding hydrochloric acid.  Breaking of the emulsion may be assisted by addition of anhydrous sodium sulphate.  The oil is then separated by centrifuge.