baber/WOPTO huggingface dataset:
Patent GB-1502661-A (GB)
Title: Liquid metering arrangement
IPC: G01F15/00
Filed: 1976-01-16
Abstract: 1502661 Dispensing liquids ALUMASC Ltd 16 Jan 1976 [17 Jan 1975] 2138/75 Heading B8N [Also in Division G4] A liquid metering apparatus comprises a turbine type flow meter which produces a pulsed electrical output as a function of the rate of liquid flow and this output is fed to an electronic counter and used with a compensating signal dependent on the speed of the flow meter and used in the control of the delivery of the liquid. The flow meter is used with transducer TD whose output is fed to a binary counter BC. The counter has twelve change-over programme switches which are set to a selected code, e.g. 01110100101, to reset a memory circuit when coincidence occurs with the count-up of the counter. A monostable MONO 1 can be switched in or out of a compensating circuit by switches S1, S2 to either double the pulses or inhibit the pulses for short time periods to compensate for the flow characteristic of the flow meter.
Patent GB-1463703-A (GB)
Title: Blinds with vertical slats
IPC: E06B9/36
Filed: 1974-01-17
Abstract: 1463703 Vertical slat blind FRANCIAFLEX 17 Jan 1974 [17 Jan 1973] 02157/74 Heading E1J The pinion 7 of a worm and pinion operable vertical slat blind is not connected directly to the slat's suspension rod 19 but is spring-loaded into engagement with a collar 15 secured rod, the engaging faces of the pinion and collar having interengageable projections and recesses 10, 11, 13 and 14 whereby rotation of the pinion rotates the collar (and thus the slat 17) until an abutment 16 on the collar 15 contacts a fixed stop 26. The pinion can then continue to rotate, the projections 10 riding up out of the recesses 14 against the spring action.
Patent GB-368915-A (GB)
Title: Setting mechanism for machine guns firing through the path of propeller blades of aircraft
IPC: F41A19/05
Filed: 1931-01-22
Abstract: 368,915. Aircraft machine guns. CESKOSLOVENSKA ZBROJOVKA AKCIOVA SPOLECNOST V. BRNE and STALLER, K., 7. U. Lazaretu, Br³nn, Czecho-Slovakia. Jan. 22, 1931, No. 2213. [Class 92 (ii).] A machine gun 5, firing between aircraft propeller blades 1, and operated through transmission gearing 11, 10, 7 from the propeller shaft 2, has a readily disconnectable and adjustable clutch x arranged between two parts 8, 9 of the gearing for varying the position of fire in relation to the blades. The clutch comprises externally-toothed discs 21, 20 in driving engagement with the parts 8, 9 respectively and an internally-toothed connecting- ring 27 which can be moved axially, against the pressure of springs 36, as shown in Fig. 4, to disengage its teeth from those of the disc 21. This disc can then be rotatably adjusted relatively to the disc 20 and is drivably connected with it by the ring 27 when this is allowed to return.
Patent GB-1414084-A (GB)
Title: Conveyor belt
IPC: B65H5/00
Filed: 1973-01-16
Abstract: 1414084 Conveyer belts HOECHST AG 16 Jan 1973 [17 Jan 1972] 2260/73 Heading B8A [Also in Division G2] A conveyer belt 1 in electrophotographic apparatus has a plurality of apertures 2 formed in the material of the belt, which is an electrical insulator, the total area of the apertures being at least 30% of the area of the belt. In any square area of the belt having a side of 1À5 cm., there is at least part of at least one aperture. The width of the belt may be between 4 and 10 cm. Each aperture may be of 8 mm. diameter. The belt may be of polythene or may be of plastics coated textile. The weave of the latter may be of plastics filaments. The thickness of the belt may be from 2 to 10 Ám.
Patent GB-929167-A (GB)
Title: Apparatus for removing a surface layer from a body of liquid
IPC: E02B15/04
Filed: 1962-01-22
Abstract: 929,167. Floating booms. J. MULLER. Jan. 22, 1962 [Jan. 31, 1961; Aug. 17, 1961], No. 2263/62. Class 68 (2). [Also in Group XXXIII] A device for removing a surface layer from a body of liquid, comprises a flexible pipe surrounded by buoyant material and an outer sheath, e.g. 4, 6 and 8, a plurality of suction nozzles, e.g. 11, communicating with the pipe and adapted to dip into the surface layer, a suction pump to draw the surface layer liquid through the suction nozzles and the pipe, and a filter for separating the liquid of the surface layer from the liquid of the body of liquid. In one embodiment described two flexible pipes 4 and 5, surrounded by buoyant material 6 and 7 and waterproof outer sheaths 8 and 9, respectively, are connected by spacer bars 10 which also support a third flexible pipe 13. At spaced intervals along the sides of the pipes 4 and 5 are nozzles 11 and 12 connected to the pipes 4 and 5 by pipes 19a and 19, respectively. The nozzles 11 and pipe 4 are connected to a pump and filter (not shown) on the ship 3 which sucks the surface layer (e.g. oil) together with some of the body of liquid (e.g. the sea) and separates them. The separated oil is retained within the ship and the separated sea water is returned along the pipe 5 and nozzles 12, to the sea. The position of the nozzles 11 and 12 with respect to the surface layer is adjusted by pumping, e.g., water into the third pipe 13 through an internal pipe 16 having openings 17 formed along its length. The two ends of the device may be disposed in different ships or they may be disposed on shore. A further embodiment describes a baffle, disposed alongside the flexible pipe, which serves to break any waves. The third pipe 13 may be omitted and all the pipes may be in sections. The nozzle supporting pipes 19, 19a may be disposed at an angle to the pipes 5, 4 respectively. The pipe 16 may be disposed outside the pipe 13.
Patent GB-833215-A (GB)
Title: Improvements in and relating to gettering units for electronic tubes
IPC: H01J29/94
Filed: 1956-01-24
Abstract: 833,215. Discharge tubes. PHILCO CORPORATION. Jan. 24, 1956 [Jan 24., 1955], No. 2293/56. Class 39(1). A getter unit is formed of at least two separate getter holders, joined together so as to form a single inductive loop or framework, so that the getters are fired simultaneously on induction heating. Fig. 4 shows four such getter units 31-34, each in the form of a rectangular framework. They are shown as disposed in the neck of a cathode ray tube, and lying in a plane parallel to the tube axis. They are fired by a coil whose axis is perpendicular to said tube axis. The getter unit is so disposed that the areas of getter deposited on the tube wall overlap, as shown in Fig. 3a. Reference has been directed by the Comptroller to Specification 799,291.
Patent GB-1099703-A (GB)
Title: Organic bonded abrasive grinding wheel
IPC: B24D3/34
Filed: 1965-01-19
Abstract: An abrasive composition comprises an abrasive material, 70-85% by weight of a metallic powder having a thermal conductivity of at least 0.500 cal/cm2./cm./sec./ DEG  C. at 68 DEG  F. and 8-16% by weight organic binder, based on the total weight of the composition. Suitable metals are copper, silver and aluminium, alone, mixed or alloyed.  The binder may be a thermosetting resin such as a phenol-formaldehyde, melamine or urea-formaldehyde resin.  The abrasive may be diamond, alumina (fused, natural, or sintered, e.g. emery), another abrasive oxide, or a carbide.  An abrasive grinding wheel in a preferred embodiment has a core consisting of 80-95% by weight of a metallic powder of the above-prescribed conductivity and 20-5% resin, and a rim consisting of 70-85% by weight metal powder, 8-16% resin and 1-20% abrasive.  Furfural may be added as wetting-agent when preparing the core and rim.ALSO:Abrasive wheels which may be used for electrolytic grinding have an abrasive surface comprising a metallic powder having a thermal conductivity of at least 0.500 cal/cm2/cm/sec/ DEG C at 68 DEG F., an abrasive material, and an organic binder, the metallic powder constituting 70-85% and the binder 8-16% of the composition (see Division C4).  The metal may be copper, silver, or aluminium, or mixtures or alloys thereof.  In tests, a diamond "straight cup" type wheel with copper powder in the core and run is used to grind tungsten carbide at 80 volts and 80 amps and at 10 volts and 115 amps, and an alumina 8" diameter grinding wheel is used to grind stainless steel.
Patent GB-378779-A (GB)
Title: Improvements in or relating to spinning machines
IPC: D01H13/10
Filed: 1932-01-25
Abstract: 378,779. Regulating the feed of roving in spinning-frames. IZAGUIRRE, F. A., 35, Calle den Buen Pastor, Luchana, Baracaldo, Spain. Jan. 25, 1932, No. 2296. Convention date, April 24, 1931. [Classes 120 (i) and 120 (ii).] The feed rollers 2, 3 of the drawing-mechanism of spinning-frames are of conical formation and the roving passes through a guide swivelled in one arm of a weighted or spring-controlled lever 5, so that any variation in the thickness of the roving causes or permits the lever 5 to move, by reason of the consequent variation in the resistance to passage through the guide, and so to vary the path of the roving through the roller and its rate of feed, thereby compensating for the variation in thickness. The guide comprises a split socket 8 secured by elastic rings engaging grooves 9 and carried in a swivel bracket 7. Conical sleeves may be mounted upon the usual cylindrical rollers in adapting existing machines.
Patent GB-1455772-A (GB)
Title: Artificial kidneys
IPC: A61M1/16
Filed: 1974-01-17
Abstract: 1455772 Dialysis apparatus HYDRONAUTICS INC 17 Jan 1974 02298/74 Heading B1X Apparatus for removing toxic substances from body fluids comprises dialysis means containing a selective membrane for removing toxic solutes from the body fluid; means for conveying the 'body fluid to one side of the membrane of the dialysis means; means for conveying a water-containing dialysate substantially free of said toxic solutes to the other side of the membrane to establish a solute concentration gradient and to cause their diffusion across the membrane; dialysate purification means comprising a hyperfiltration means having a plurality of hyperfiltration membranes with hyperfiltration characteristics enclosed and supported in a housing, said housing having influx means, filtrate efflux means, and toxic solute efflux means for removing the toxic solutes from said dialysate; means for conveying spent dialysate containing toxic solutes from the dialysis means to the dialysate purification means, and spent dialysate conveying means being constructed and arranged to permit the interposition between the dialysis means and the dialysate purification means of a means for overcoming osmotic back pressure in the dialysate purification means; and means for returning purified dialysate to the dialysis means. The body fluid treated may be blood or peritoneal fluid. The dialysis membranes may be cellulose-based or of polyvinyl alcohol; they may be plane or tubular and may be treated e.g. with heparin so as to be non- thrombogenic. The hyperfiltration membranes may be sheets of cellulose acetate.
Patent GB-959590-A (GB)
Title: Hydraulic control device
IPC: F15B13/06
Filed: 1961-01-20
Abstract: 959,590. Copy-milling. RETOR DEVELOPMENTS Ltd. Jan. 20, 1961 [Feb. 1, 1960], No. 2316/61. Heading B3K. [Also in Division G3] An hydraulically-controlled machine comprises two reversible hydraulically-actuable reciprocating or rotary motors 22, 28 each to control a different direction of movement of a body 34 and each having a pair of fluid supply and return lines 18, 20, 24, 26, a valve 14 for variably apportioning fluid to one of each of the two pairs of lines and means for simultaneously connecting the other two lines to exhaust. The valve has a rotary block 35, Fig. 2, in a housing having a pressure supply groove 48, an exhaust groove 50, and grooves 78, 80, 82, 84 connected with the supply and return lines 18, 20, 24, 26. The supply groove 44 is at all times connected with passages 52, 54, 56, 58, 60. The exhaust groove is at all times connected with opposite recesses 64, 66 in the body, the grooves being equal in width to the lower ends of the recesses 55, 56. For a continuous movement, the supply of fluid is directed to the lines in the sequence shown in Fig. 1a. This sequence is achieved by rotating the valve body 35 to connect eight recesses 68 in the valve sleeve 42 in turn to the lines 18, 20, 24, 26 via pairs of passages 70, 72, 74, 76. Thus, as shown in Fig. 2, the supply 12 is connected by recess 55 to lines 18, 26 and the exhaust line is connected to lines 20, 24 with flow in the same proportions. The body 35 is adjustable vertically by a tapered plunger 98 in an eccentric bushing 88. By this means, a recess 55 may be moved out of register with a recess 68: a narrower recess 54 then registers with a recess 68 and restricts control of the valve to one only of the motors 22 or 28, according to the setting of the valve control pointer 108. In a modification, a tracer 118, Fig. 7, controls a motor 110, through pneumatic hydraulic or electrical means 114, to rotate the valve 14. The tracer 118, Fig. 8, is centred by a diaphragm 123 and raises or lowers a rod 130 to cause a change in the reluctance of a core 132 to cause the motor 110 to decrease speed, reverse, or stop. If excessive movement occurs, a switch is operated to stop the machine.
Patent GB-367140-A (GB)
Title: Weighing or load measuring device for use with lifting or load carrying apparatus
IPC: G01G19/02
Filed: 1931-01-23
Abstract: 367,140. Weighing-apparatus fitted to lifting-jacks, crane hooks, etc.; dynamometers. MICHELIN ET CIE, Clermont - Ferrand, Puy - de- Dome, France. Jan. 23, 1931, No. 2340. Convention date, March 7,1930. [Class 143.] Relates to a combined lifting or load-carrying and weighing or load-measuring apparatus and comprises in combination a lifting or load - carrying mechanism, a load-attachment or supporting member which is capable of substantial relative sidewise movement with respect to, and without contact with, the lifting or load-carrying mechanism, a spring interposed between the lifting or load-carrying mechanism and the load member and serving to constrict resiliently the relative sidewise movement therebetween, a load indicator for measuring the relative vertical movement as determined by the spring, and operating means for the indicator adapted to accommodate itself to the relative sidewise movements. As shown in connection with a lifting jack, Fig. 1, the vertical column 2 of the jack carries a cylindrical support 5 provided at its lower end with a flange 6. One end of a helical weighing spring 7 is secured to the flange and the other end is secured to a cap piece 10 carrying the indicating mechanism. When a load, for example a wheel axle, is raised the spring 7 is compressed and a lever 15 (maintained in contact with the column 2 by a spring 18) depresses a rack 16 and thereby rotates an indicating pointer 20 over a dial 23. The dial is secured by a spider 24 and screwed ring 25. A second pointer 29 rotated by a squared socket 28 may be set into coincidence with the pointer 20 so as to maintain the reading after the load has been removed. As applied to a crane coupling, Fig. 4, where the load is supported by a hook 41 secured to a spring-supported casing 10, the flanged cylinder 5 whereon the spring rests is carried by a suspension eye 43. A gap 421 around the suspension rod 42 permits relative lateral movement between the rod and the casing 10. The apparatus may be applied to the couplings between vehicles. Permanent records, apparatus for giving.- The indicating spindle 19, Fig. 3, may carry a plate 30 on which replaceable paper discs 31 may be secured by a flexible washer 32 and thumb-screw 33. A stop 37 operable by a press button 38 is adjustably carried on the casing 101. When the apparatus is fully loaded, the operator depresses the button and causes a mark to be made on the disc. The disc may be ungraduated in which case the load marked thereon is determined by means of a transparent scale.
Patent GB-739153-A (GB)
Title: Electric surface heaters
IPC: H05B3/16
Filed: 1952-01-28
Abstract: 739,153. Electric surface heaters. EGLE, A., BETHGE, W., and WENDE, H. Jan. 28, 1952 [Feb. 6, 1951 ; Feb. 6, 1951 ; June 26, 1951], No. 2342/52. Class 39 (3). In an electric surface heater, Fig. 1, the distance a from a heating wire 2 to the main heating surface 3, and the distance b between two wires 2 have a ratio of substantially from 1 : # to 2 : #. A heater panel, Fig. 4, has two heating wire elements which are sandwiched between layers 4, 5, 6 and in Fig. 5, heater wires 2 are embedded in a foil 1 mounted between glass panels 7, 8. The wall heating construction shown in Fig. 6 comprises a heating panel 1 over which wallpaper 10 is pasted. The heating wires may be in zig-zag form, Fig. 8 (not shown), or they may be in the form of waves 2b which are staggered with respect to each other, Fig. 9. A modified glass panel construction, Fig. 13, consists of a basic panel 13 to which is secured a glass heater panel 1 by means of a transparent strip 14, a gap 15, which may be gas-filled, thus being formed between the two glass panels. A machine, Fig. 15, for embedding heating wires between flexible strips comprises cylinders 27, 28 between which strips 33, 34, heating wires 2 and connections 24 are fed, adhesive being dispensed from a container 30. The heating strip thus formed passes on to a table 39 where it is cut up or wound into rolls. In Fig. 18, the heating wires 2 are fed beneath heated placing members 16 and are pressed into the temporarily softened surface of a film la which is moved longitudinally beneath the placing unit 18. Alternatively, the film may be softened by a softening solution. The wave formation of the wires 2 is produced by transverse movement of the unit 18. The heating wires may be embedded in cellulose derivatives, polyvinyls, polyamides, silicons, ceramic materials or glass which may be of the conventional silicate type. The heater may be used for heating carpets, cushions, windows, window blinds, medical poultices, hatching devices and for aircraft deicing. Thermostat and automatic cut-out controls are specified.
Patent GB-929016-A (GB)
Title: Method and apparatus for parametric amplification
IPC: H01J25/49
Filed: 1959-05-26
Abstract: 929,016. Space charge wave tubes. ZENITH RADIO CORPORATION. May 26, 1959 [Sept. 17, 1958], No. 2363/63. Divided out of 929,015. Class 39 (1). Signal energy is amplified in a parametric amplifier by impressing an input signal on the electron beam, generating a driving signal wave externally of the beam path at a second frequency and using it to modulate the electron beam at that frequency by propagating it along a wave propagation system associated with the tube with a propagation constant unequal to the propagation constant of any space charge wave produced on the beam corresponding to the driving signal frequency, and by extracting the amplified energy from the electron beam. The driver wave propagation system 226 may be discs coupled by inductances 256 as shown or a helix and it may carry a travelling or standing wave. It may have a terminating resistor distributed over several turns thereof. The input and output circuits 223, 227 are helices or loaded waveguides or chains of cavity resonators or the output may be a floating kidney resonator, Fig. 3 (not shown). Helix 235 removes noise and modulates the electron beam by Kompfner dip operation, or the helix is not terminated so that noise is reflected to the source. It preferably removes noise at both W signal and at W idler or there may be separate modulators for removing noise at these respective frequencies. The inner diameters of discs 255 preferably taper as shown to improve the efficiency of operation and there are three electrodes 255 per driving frequency wavelength. A circular or sheet electron beam may be used. A solenoid focuses the electron beam.
Patent GB-113447-A (GB)
Title: Improved Process and Apparatus for the Manufacture of Superphosphate of Lime.
Inventor: LUCIEN PAUL BASSET
IPC: C05B11/08
Filed: 1918-02-11
Abstract: 113,447. Basset, L. P. Feb. 9, 1917, [Convention date]. Void [Published under Sect. 91 of the Act]. Ammonia; ammonium carbonate and sulphate. -Tricalcium phosphate is converted into calcium metaphosphate or pyrophosphate by heating with the requisite proportions of ammonium sulphate which has been prepared by reacting on calcium sulphate with ammonia and carbonic acid. The ammonia given off in the calcination may be freed from ammonium chloride and fluoride by passing it over calcium carbonate. The apparatus described comprises a boiler a in which the ammonium sulphate is heated with the calcium phosphate, a scrubber d for producing ammonium carbonate from the evolved ammonia and carbonic acid from a pipe h, a tank g for the ammonium carbonate solution, a pump f for supplying the liquor to the scrubber, a pump j for supplying the ammonium carbonate to a gypsum tank k, a return pipe l for the ammonium sulphate solution, an evaporator m for ammonium sulphate, and condensers n, o for the steam of the evaporator, the first portions, containing ammonium carbonate, being caught in the condenser n and led back to the tank g. In practice, a number of tanks k would be used, so that one is always available for the reaction.
Patent GB-661409-A (GB)
Title: An improved bread or like bin
IPC: A47J47/12
Filed: 1949-01-28
Abstract: 661,409. Bread bins &c. ROBINSON, F. and WILLET & ROBINSON, Ltd. Jan. 30, 1950 [Jan. 28, 1949], No. 2466/49. Class 66 A bin for bread &c. is shaped as shown the arcuate lid 5 being pivoted at 7 and formed with an extended rim 11 to act as a stop against the bead 9 in the closed position, and, optionally in the open position, or rubber buffers, (not shown), may be provided. The bead 9 may be stiffened by wire or by a rod.
Patent GB-1198364-A (GB)
Title: Improvements in or relating to a Guide for a Window Pane
IPC: E05F11/38
Filed: 1968-01-17
Abstract: 1,198,364. Guide for a vehicle window-pane. H. T. GOLDE-G.m.b.H. 17 Jan., 1968 [24 Jan., 1967; 29 Nov., 1967; 18 Dec., 1967], No. 2579/ 68. Heading E2M. A guide for guiding a sliding window pane during raising and lowering thereof relative to a window receiving well by means of a manually or electrically operable lift mechanism coupled to the lower edge of the pane comprises a guide rail 11 anchored within the well and having at least one flange 12, and at least two spaced-apart sliding members 14, 16 engaged with the flange and rigidly coupled to the lower edge of .the pane, each sliding member having a pair of parallel facing guide surfaces. In Figs. 2 and 3 the guide is shown in use with a cabletype lift mechanism in which a cable guide-tube 10 is fixed to the rail 11. The threaded cable 13 is attached to a catch 8 which can slide lengthwise in the tube 10 and which is rigidly fixed to a plate 14 carrying the sliding members 15, 16. The plate 14 has cut-outs 19, 20 for attachment of a window lift-rail. The guide can be adapated for use with cord or lever-type window lifts (Fig. 10 and 11, not shown). In modifications (a) the member 11 is replaced by a member of U-shaped cross-section, each flange of which carries two sliding members (Fig. 4, not shown); (b) both the plate 14 and the member 11 are of angled cross-section, the two arms of the plate being at right-angles and each carrying two sliding members; (c) for curved window panes the guide-rails are also curved, and the carrier-plate carries in addition to the two sliding members with convex guide faces which engage with an arm of the guide-rail parallel to the pane.