baber/WOPTO huggingface dataset:
Patent GB-290161-A (GB)
Title: Improvements in rotary compressors
IPC: F04C18/344
Filed: 1928-04-25
Abstract: 290,161. Zoller, A. May 7, 1927, [Convention date]. Fixed - abutment type; packing vanes. - A rotary compressor with an eccentric rotor 4 through which slide diametral vanes 1, 2 is fitted with fixed cylindrical guides 6 concentric with the casing which support shoes 3 on the diametral vanes 1, 2 directly or by means of interposed rings 7 of polygonal shape on their outer periphery and the casing is bored strictly in accordance with the path followed by the ends of the vanes. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a construction in which the vanes have turned-over resilient lips as shown in Fig. 13 (Cancelled), and a construction as shown in Fig. 15 (Cancelled) in which vanes 18 extend between outer and inner apertured drums 17, 19 concentric with the casing and pass through an eccentric rotor 21, being slidably mounted in rocking members 22 carried by sector pieces 23 which slide in the rotor; the chambers inside and outside the rotor are both used, fluid entering and leaving the inner chamber through ports 24, 26 in the end cover. This subject-matter does not appear in the Specification as accepted.
Patent GB-709785-A (GB)
Title: Gas heat exchanger for absorption type refrigerators
IPC: F25B15/10
Filed: 1952-05-14
Abstract: 709,785. Refrigerating; tubular heatexchangers. DOLDER, G. May 14, 1952 [May 16, 1951], No. 12192/52. Classes 29 and 64(3) A gas heat-exchanger for absorption refrigerators comprises two concentric tubes 1, 2 bent to U-shape in plan, the shanks of the U extending in the direction of the width of the refrigerator and at least one shank being arranged outside the refrigerated space. As shown, one of the shanks is embedded in the insulation 3 of the refrigerator. Cooling fins may be arranged on the shank outside the insulation. The tube 1 carries cold gas from the evaporator (not shown) to the absorber 4. Both shanks could be arranged outside the insulation, one above the other.
Patent GB-961071-A (GB)
Title: Pressure reducing valves
IPC: F16J15/18
Filed: 1962-03-30
Abstract: 961, 071. Fluid-pressure servomotor control systems. SARCO CO. Inc. March 30, 1962 [April 7, 1961], No. 12248/62. Heading G3P. [Also in Division F2] The main valve 6, Fig. 2, of a pressure reducer, which is controlled by a pressure-responsive pilotvalve 19, is actuated by a diaphragm 8, the pilotvalve body 11 being threaded into the bonnet 9, which latter is surmounted by a yoke. 12. A diaphragm 13 is interposed between an adjustable regulating spring 15 and the pilot valve stem 18, which stem operates in a guide 20 and co-operates with a spring 21 that seats the pilot valve when the pressure in the chamber 22 beneath the diaphragm 13 is sufficient to overcome the spring 15. The guide 20, Fig. 3, receives upper and lower ring bushings 26, 27 of low-friction synthetic or natural elastomeric-material; the bushings may have other shapes (Fig. 4, not shown). The guide is threaded into the bonnet to bear upon a gasket 28 and to press the reversible pilot-valve seat 23 against a copper gasket 24 and the lower bushing 27 against the seat 23; this threaded connection enables the bushings 26, 27 to be forced into sealing engagement with the stem 18. Outwardly of the upper bushing 26 the stem 18 passes through a washer 29, the spring 21 and a washer 30; a stem groove 31 houses a spring ring key 32. The bushings 26, 27 may be of the same or different shapes or they may comprise an integral member with a tubular interconnecting part extending through the stem bore of the guide 20. The pilot valve mechanism constitutes a sub-assembly which is readily removable. Examples are given of the materials which may be used for the bushings. Specification 961,072 is referred to.
Patent GB-1522533-A (GB)
Title: Apparatus for controlling the output of one or more lamps
IPC: G05D25/02
Filed: 1976-03-26
Abstract: 1522533 Automatic control of lighting intensity ESQUIRE Inc 26 March 1976 [27 May 1975] 12249/76 Heading G3R The total illumination of a work area (e.g. lit by daylight and artifically) is kept constant by controlling at least one lamp in response to a comparison of the output of a photo-detector with a reference voltage, the rate of change of the difference being limited so as to prevent response to transient changes in the ambient lighting, e.g. by the passage of clouds. The circuits are described in detail, the limitation to transients being provided by an integrating capacitor on the output of a buffer amplifier supplying a dimming control voltage. The output of the photo-detector is also compared with a second reference value which, when passed, signals the need for lamp replacement.
Patent GB-1019701-A (GB)
Title: Pressure generating means
IPC: B60T11/22
Filed: 1963-03-28
Abstract: 1,019,701. Hydraulic  brakes. WAGNER ELECTRIC CORPORATION. March 28, 1963 [April 2, 1962], No. 12299/63. Heading F2F. The end 32 of a master cylinder piston 16 is formed with a guide ring 31 having axial passages 38 therethrough and a smaller ring 35 which abuts a sealing cup 19. A clearance of 0.004 to 0.010 of an inch between the ring 35 and cylinder 2 permits free liquid flow during the return stroke whilst preventing extrusion of the sealing cup into the clearance during actuation. As shown an annular channel 33 may be  provided between the ring 35 and guide ring 31.
Patent GB-792092-A (GB)
Title: Improvements in or relating to the production of quaternary ammonium compounds
Filed: 1956-04-23
Abstract: Quaternary ammonium compounds are prepared by slowly adding simultaneously but separately an alkylating agent and sodium hydroxide in stoichiometric proportions to a primary or secondary amine having the formul  RNH2 or R2NH, wherein R is an aliphatic hydrocarbon radical having from 8 to 18 carbon atoms or a radical derived from rosin or tall oil, in an alkyl alcohol solvent having a boiling-point below 120 DEG  C.  Specified primary and secondary amine reactants are those containing octyl, decyl, undecyl, dodecyl, tetradecyl, hexadecyl, octadecyl, octadecenyl, octadecadienyl and octadecatrienyl radicals and those containing radicals or mixtures of radicals derived from vegetable and animal oil fatty acids such as the acids found in coconut oil, soybean oil, tallow, cottonseed oil, tall oil and rosin. Specified alcohol solvents are methanol, ethanol, propanol, isopropanol, butanol and isobutanol.  Specified alkylating agents are alkyl halides and sulphates of which methyl chloride is exemplified.  The sodium hydroxide is preferably employed as an aqueous solution containing from 68 to 73 per cent by weight of sodium hydroxide.  The reaction is preferably conducted at a temperature of 160 DEG  to 250 DEG  F. and at a pressure of from 0 to 75 p.p.s.i. over a period of from 2 to 6 hours.  A suitable apparatus is described for carrying out the process.  The examples describe the preparation of "tallow" trimethyl, di-"tallow" dimethyl, "coconut oil" trimethyl, di-"coconut oil" dimethyl, di-"soybean oil" dimethyl and dodecyl trimethyl ammonium chlorides.
Patent GB-470247-A (GB)
Title: Process for the manufacture of pregnendiones
Filed: 1935-10-31
Abstract: Pregnendiones of the formula C21H30O2 are prepared from pregnanol-20-ones-3 by a process which comprises monohalogenation, oxidation, and the splitting off of hydrogen halide.  The process may be modified in that esters of pregnanol - 20 - ones - 3 may be halogenated, hydrogen halide removed and the pregnenolone so formed subjected to oxidation to the corresponding pregnendione.  The preferred oxidizing agent is chromium trioxide.  In an example, monobromo-pregnanol-20-one-3 obtained by the action of bromine on pregnanol-20-one-3 in glacial acetic acid solution is oxidized with chromium trioxide and dehalogenated by boiling for 12 hours with pyridine.  The product crystallizes in needles of m.p. 121 DEG  C. which can on heating to the melting point be transformed into a polymorphous modification consisting of prisms of m.p. 128 DEG  C. Samples have been furnished under Sect. 2 (5) of products made in accordance with the following schedules: (1) a solution of pregnenol-20-one-3 made according to sample 4 of Specification 467,482 in glacial acetic acid is oxidized with chromium trioxide in an ice chest.  The product is neutralized and extracted with ether, m.p. 120--125 DEG  C.; (2) pregnenol-20-one-3 (cf. example 1) is fused with copper oxide powder at 280--300 DEG  C. to give the same diketone mixture as is obtained according to sample (1); (3) a dioxane solution of pregnenol-20-one-3 is made alkaline with caustic potash and treated with hydrogen peroxide.  The product is extracted with ether; (4) the brominated pregnenol-20-one-3 produced in the example is dissolved in benzene and then oxidized by shaking with an acid aqueous solution of potassium permanganate.  The product is then worked up as in the previous samples.  Specification 464,397 also is referred to.
Patent GB-1293024-A (GB)
Title: Apparatus for measuring errors in the form and position of surfaces of rotation
Inventor: LOTZE WERNER
IPC: G01B7/28
Filed: 1970-03-16
Abstract: 1293024 Measuring deviation from circularity CARL ZEISS JENA VEB 16 March 1970 12553/70 Heading G1N The deviations from circularity of the surface of a stepped cylindrical member 2 Fig.1, are measured by a feeler gauge 5 while the member is rotated about its longitudinal axis, and the measurements compensated in a computer 12 for axial movement, sensed by feeler gauge 7, and eccentricity with respect to the axis of rotation, sensed by feeler gauges 6. To facilitate the compensating measurements a spherical ball 3 is attached to each end of the member 2 on its axis and feeler gauges 6, 7 sense movement of the balls in the appropriate direction. The computer 12 is also fed with the basic dimensional constants of the member 2 and the output to indicator 13 represents deviation from circularity at the measured position. In another embodiment, Fig. 2, the test member 2 is mounted for rotation with a table 17. Axial and radial movements due to eccentricity of mounting are sensed by the feeler gauges 6, 7 using reference ball and plate 3 attached to the table 17 and these signals selectively energize motors 19 to move the table and eliminate eccentricity, whereby the output from feeler gauge 5 represents only deviation from circularity at the measured position.
Patent GB-695696-A (GB)
Title: Improved ice making machine
Inventor: BRANDIN JOHAN AXEL IVAR
IPC: F25C1/06
Filed: 1952-05-19
Abstract: 695,696. Ice-making. SVENSKA TURBINFABRIKS AKTIEBOLAGET LJUNGSTROM. May 19, 1952, No. 12609/52. Class 29. In an ice-making machine in which ice is formed by accretion in a nest of vertical tubes 6 in tubes or rods, the ice being freed by hot gases from the refrigerant compressor and cut into pieces by a rotary knife 17, the knife is driven by a motor 15 located above the tubes and having its shaft 16 extending through the nest and the pieces are ejected radially from the machine into a shoot 23 by a bar 20 located below the knife 17 and driven by the shaft 16. In modifications, the bar 20 may be suspended from the knife or may be replaced by a hemispherical or truncated-conical basket the sides of which are of mesh-work or apertured and from which the pieces of ice are ejected into the shoot by centifugal force. Water collects in a bottom tank 1 and is recirculated by a pump 4 and the change over is effected by a timing device controlling motor 15, the pump and solenoid valves 10, 11.
Patent GB-748141-A (GB)
Title: Hoisting machines incorporating means for the semi-automatic translational movement of the load
IPC: B66C23/22
Filed: 1953-05-06
Abstract: 748,141. Overhead travelling hoists. BRON, J. May 6, 1953, No. 12613/53. Class 78 (4). The hoist or load pulley 11 of the crane illustrated is moved in one direction along tracks 1 by tilting guides 13 about pivots 13<SP>1</SP> to engage ball bearings 15 on the shaft 10 of the carriage to raise the wheels 9 of the carriage from engagement with the tracks 1. It is moved in the opposite direction by manipulation of the hoist rope 12. The guides 13 are pivoted by operation of a lever 14 which engages a pin 13<SP>2</SP> joining the guides. Abutments 16 at each end of the guides 13 limit the movement of the carriage and counterweighted pawls 17 projecting through the guides 13 serve to hold the carriage captive at the end adjacent the lever 14. The crane is adapted to be mounted in an opening such as a window in a building being erected. Brackets 2 and stays 7, 8 support the guides 1, 13 from an adjustable framing 3, 4, 5 mounted in the opening.
Patent GB-980398-A (GB)
Title: New guanylhydrazones and process for preparing them
IPC: C07C281/18
Filed: 1963-03-29
Abstract: The invention comprises guanylhydrazones of the formula H2N.C(: NH).NH.N: CH-Ph-NH. C(: NH).NH.C(: NH).NH2 and their acid addition salts, wherein Ph represents a meta- or para-phenylene radical, and the preparation thereof by reacting a compound H2N.C(: NH).NH.N: CH-Ph-NH2 or a salt thereof with dicyandiamide, and, if desired, converting the resulting base into a salt or a salt into the free base.  Meta-Aminobenzaldehyde guanylhydrazone is prepared from meta-aminobenza ldehyde and aminoguanidine.  Similarly is prepared paraaminobenzaldehyde guanylhydrazone.  Pharmaceutical and veterinary compositions comprise the compounds of the invention in admixture or in conjunction with a pharmaceutically acceptable carrier or a carrier suitable for veterinary use, and may be in the form of tablets, dragees, ointments, creams, solutions, suspensions or emulsions, or incorporated in animal feedstuffs.  Acid addition salts include those formed with 4-aminosalicylic acid, ascorbic acid, methionine, tryptophan, lysine and arginine.  The compositions may also contain further therapeutically valuable substances. The compounds are trypanosomicidal and antiinflammatory agents.
Patent GB-281940-A (GB)
Title: Improvements in locks
IPC: E05B27/00
Filed: 1927-05-13
Abstract: 281,940. Rebori, A. May 13, 1927. Keys ; night-latches ; lock mechanism, masterkey.-In pin-tumbler locks wherein the non- rotatable key engages a fixed block carried by the casing 1 and the pins and springs are mounted in a sliding bolt 4 actuated by a handle 7, the bolt pins are duplicated so that the bolt can be held in both the withdrawn and shot positions and released only by the key for opposite movement. In bolt-locks, the handle 7 engages the bolt 4, but in night-latches, the handle engages a slide 19 having a lug 21 which actuates a lug 22 on the latch 16, the slide carrying the pins and springs and the bolt carrying intermediate tumblers in an upper arm 23. In the form shown, the bolt has a spring 25 so that it is withdrawn on the insertion of a key without operating the handle. Additional keyholes 10', 10<11> may be provided for trustee keys. The bolt may have a lower arm 24 carrying pins and springs engaged by the underneath edge of the key, which, for use from either side of the lock, may be symmetrical, with or without inver. sion. Fig. 7 shows an invertible key.
Patent GB-1085576-A (GB)
Title: Improvements in or relating to electrically propelled toy vehicles
Inventor: FILEGER EUGENE WYNDELLE
IPC: A63H18/12
Filed: 1965-03-26
Abstract: 1,085,576. Toy vehicles. LOUIS MARX & CO. Ltd. March 26, 1965 [April 2, 1964], No. 12939/65. Heading A6S. A toy vehicle which is guided along a slotted track by means of a plate 65 and has pick-up shoes 70 to supply current to an electric driving motor 25 is characterised by the wheels 11 being steerable and being arranged, together with the shoes 70, on a member 61 which is pivoted with respect to the vehicle chassis about a post 45, by the plate 65. The shoes 70 are connected by brushes 80 to contact segments around the post 45 and these segments are connected to the motor by conductors 57.
Patent GB-295622-A (GB)
Title: Improvements in or relating to retainers for spikes, screws or the like particularly for use with rails
IPC: E01B9/12
Filed: 1927-05-14
Abstract: 295,622. Crippen, H. O. May 14, 1927. Screw and nail sockets; locking bolts, studs, and set-screws.- A socket for rail spikes, screws &c, comprises a body portion 10 which partially encircle the spike, spikes 14 having curved edges 16 to spread them as they enter the work and a projecting member 20 which. is bent over the head of the spike to retain it in position. The body is notched at 22 so that the junction of the member 20 is below the top of the body portion. The socket may encircle the spike on three sides only so that the spike may be more easily withdrawn.
Patent GB-400866-A (GB)
Title: Improvements in and relating to interlocking devices for securing scaffold tubes and the like
IPC: E04G7/18
Filed: 1933-05-04
Abstract: 400,866. Scaffold clamps. JOHNSTON, W. A., 88, Ellington Road, Hounslow, Middlesex, and LE BAS, E., Dock House, Billiter Street, London. May 4, 1933, No. 13038. Addition to 363,047 and 381,775. [Class 20 (ii).] A clamp in accordance with the parent Specifications is modified by the use of one saddle member with clamping grooves disposed at angles, so that tubes may be clamped crosswise or parallel by the same saddle member. The saddle member K is provided with a groove L on one face and a groove M on the opposite face at an inclination to the axis of the first groove, so that by reversing the saddle member tubes may be clamped in parallel relationship. Projections V on the sides of the saddle member locate its position within the arms E of the main embracing member and the groove M may be cambered lengthwise to accommodate variations in the sizes of the tubes. In a modification the grooves L<1>, M<1> are disposed on the same face in directions inclined to each other so that reversal of the saddle member is unnecessary.
Patent GB-455986-A (GB)
Title: Improvements in or relating to hydraulic power transmission mechanisms
IPC: F15B13/04
Filed: 1935-05-02
Abstract: 455,986. Hydraulic transmission of power. VICKERS, Inc., 1400, Oakman Boulevard, Detroit, Michigan, U.S.A.-(Assignees of Vickers, H. F. ; 1400, Oakman Boulevard, Detroit, Michigan, U.S.A.) May 2, 1935, No. 13051. Convention date, June 20, 1934. [Classes 69 (ii) and 135] A combined flow control and relief valve for hydraulic transmission systems comprises a throttle valve 6, and a relief valve 12 on the supply side of the throttle valve carried by a piston 8 loaded by a spring 31 and oppositely acted on by the pressures in front of and behind the throttle, so that the pressure behind the throttle is kept constant and proportional to the spring pressure. A loaded relief valve 28 limits the maximum pressure attainable in the system, and a byepass valve 33 is provided.
Patent GB-874775-A (GB)
Title: Vending machine for hair cream or like viscous substances
IPC: G07F13/00
Filed: 1960-04-12
Abstract: 874,775. Coin-feed vending apparatus. RICHARD HEYWOOD PTY. Ltd., J. April 12, 1960 [April 15, 1959], No. 13098/60. Class 27 [Also in Group XXVI] A flexible tube pump for dispensing viscous liquids is actuated by a handle 15 which is only connected to the pump actuating mechanism when a coin is inserted through a slot 14 so that it engages in a slot 34 in the drive plate 28 and between one pair of screws 38 in an actuating plate 35. The Specification states that the pump may be electrically driven and coin selection mechanism may be included.
Patent GB-271859-A (GB)
Title: Process for producing pattern effects on textile goods
IPC: D06Q1/02
Filed: 1927-05-16
Abstract: 271,859. Heberlein & Co., Akt.-Ges. May 25, 1926, [Conventioit date]. Void [Published under Sect. 91 of the Acts]. Addition to 268,389. Embossing; printing processes.-The fabrics, before being treated by the process described in the parent Specification, are mercerized or are treated with one or more of the swelling-agents mentioned in that Specification. Specifications 12559/14, 13129/14, 100,483, and 108,671 also are referred to.
Patent GB-707505-A (GB)
Title: Improvements in machine tools with a rotary spindle such as milling and boring machines and the like
IPC: B23Q1/54
Filed: 1952-05-23
Abstract: 707,505. Boring, facing, turning and milling machines. SOC. NOUVELLE DE CONSTRUCTION DE MACHINES OUTILS ET D'OUTILLAGE PROCEDES C. W. B. May 23, 1952 [May 26, 1951], No. 13127/52. Class 83 (3) A machine tool comprises a turret 2 which is provided with recesses to receive interchangeable tool units and which is rotatably mounted on a body 1 adapted for mounting on a rotary spindle of the machine, the recesses comprising a first series 46 located in the axis of the machine spindle for a series of given angular positions and a second series 47 which are, at all times, transverse to the axis. The turret-head is made of light alloy with mild steel locating rings 26, 28, Fig. 4. and is mounted by T-bolts 5 and a spigot 16 on the headstock 4 of a boring, turning, surfacing, milling, tapping and drilling machine. The machine has a table 10 rotated by a motor 11 and the headstock is axially and vertically adjustable on a movable column 20. As an example, a milling unit 49 is mounted in one of the axial recesses 46, four of which alternate with four transverse recesses. The unit is located by a key 57, Fig. 6, by a steel ring 55, and at its rear end, by the alloy body 2. It is' secured by screws 54 and, when mounted, a handle 95 is moved axially to engage a tongue 97 with a yoke- 'actuating member 99. The yoke 94 moves a shaft 84 to engage splines 85, 87 with splines 90, 88 on a driving sleeve 79 carrying a bevel :gear 82 The sleeve 84 is always in splined engagement with the tool head 48. As shown, a similar unit is mounted in an adjoining recess 47. All the units are driven from the main spindle 17 through gears 203, 194, and one of two gears 118 or 155. A hand knob 182 determines the position of a clutch 136 to drive either the transverse or the axial units. The turret is controlled by a lever 403 which is carried on a multiple cam 399. A projection 405 on the cam operates a switch 407 to energize a magnetic coil 33 in the ring 28 and clamp the turret in position. Projections 408, 409 rock a shaft 345 to release a turret locking-bolt 379 against the force of a spring 396 and, through a lost-motion connection 353, to operate a motor-control switch 367 and engage a plate-clutch 263 through a yoke 316. The motor 299 mounted on the turret-head rotates the turret through worm-gearing, the clutch 263 and the ring gear 38. When the turret is released for rotation, a weaker current flows in the opposite direction through the coil 33 to destroy the residual magnetism. The lever 403 is held in position III if continuous rotation of the turret is desired. If the lever is released the spring 396 moves the bolt 379 to lock the turret and returns the lever to position II. Tool-holders.-A turning-tool in the holder 426, Fig. 12, has threaded holes 429 to secure the tool and is secured in a recess by the flange 427. Covers 431 close recesses not in use. Three crane-handling hooks such as 432 are fitted. Specification 687,280 is referred to.
Patent GB-1509833-A (GB)
Title: Thickness-shear crystal vibrator
IPC: H03H9/19
Filed: 1976-04-01
Abstract: 1509833 Quartz resonators DAINI SEIKOSHA KK 1 April 1976 [8 April 1975] 13196/76 Heading H1E The edges of a thickness-shear resonator are provided with a bevel wherever they are traversed by a metallic-film electrode lead. The AT-cut quartz resonator shown is provided with electrodes 22 on opposed Y<1> faces and carries, mainly on the Z<1> faces, leads 26 extending the whole length of the resonator in a nodal (e.g. central) plane. At the points where the leads traverse the edges between the Y' and Z<1> planes, bevels 25 are provided. The bevels may be planar, arcuate or polygonal and may extend the whole length of the resonator. The resonator may be supported by a pair of bifurcated members which are attached at the ends of the leads 26. The Specification describes a 35 degree rotated Y-cut quartz resonator, but resonators made of lithium tantalate and lithium niobate may be used also.