baber/WOPTO huggingface dataset:
Patent GB-860216-A (GB)
Title: Improvements in or relating to machines for moulding soil blocks
IPC: A01G9/10
Filed: 1958-11-28
Abstract: 860,216. Moulding solid blocks. WARNE, A. S. Nov. 18, 1959 [Nov. 28, 1958], No. 38533/58. Class 87(2). Moulds 12 for forming soil blocks are incorporated in a rotary table 11 and brought successively into filling, compressing and ejecting positions 13, 14, 15, and at the filling position a vertical cylindrical container 20 is rotatable, its open bottom close to a planer surface formed by a table 19 shaped to engage the periphery of the rotary table 11. Soil is fed into the open top of the rotating container 20, from the spindle 23 of which it is urged by curved blades 25, and fed into the moulds 12 as they come under the container. A curved blade 26 is biased by a tension spring 29, through an arm 28, against the curved wall of the rotary container 20 to act as a scraper.
Patent GB-369629-A (GB)
Title: Improvements in method and apparatus for continuous production of carbon dioxide ice
IPC: C01B32/55
Filed: 1930-12-23
Abstract: 369,629. Solidifying carbon dioxide. COMER, W. T., P.O. Box 1191, Atlanta, Georgia, U.S.A. Dec. 23, 1930, No. 38661. Convention date, Dec. 28, 1929. [Class 8 (ii).] Carbon dioxide ice is produced by expanding the fluid through jets 21 into a chamber in which a revolving screw 16 forces the snow towards a restricted outlet ; ribs 13 in the chamber through which the jets may issue prevent the snow from being carried round by the screw. Gas escapes by a perforated screen 23. The rotating screw wipes this screen and the outlets of the jets. At the start of the operation resistance to outflow of the snow may be provided by a hinged flap 28, and the fluid may be supplied through the lower jet or jets 22 so that the cold gas evolved may traverse the snow formed.
Patent GB-1009688-A (GB)
Title: Improvements relating to appliances for use in scribing sheets and other members
Inventor: RAY JOSEPH HARRY
IPC: B43L13/00
Filed: 1961-10-30
Abstract: 1,009,688. Tools for setting-out work. ALDRIDGE TOOL and ENGINEERING CO. Ltd. Dec. 11, 1962 [Oct. 30, 1961], No. 38691/61. Addition to 789,734. Heading B4X. An improvement in or modification of the invention of the parent Specification consists in providing an improved form of adjusting means to impart fine adjustment movement between the backing member 12 and body carrying the scribing apparatus. The backing member 12 is mounted on the forward end of a spindle 19 supported in bearings 17. A manually operable driving ring 24 is secured to the rear end of the outer skirt part 23 of the member 12. The driving ring is L-shaped in cross-section having a thickened outer rim and an inner projecting radial flange having an inner radial face 27. A gear box housing 34 contains a wormwheel 35 mounted on a spindle 36 for rotation about a horizontal axis and meshing with a worm 37 on the inner end of a spindle 38 projecting upwardly and having an operating knob 42. The spindle 36 has fixed to the end thereof a friction wheel 39. The worm-wheel 35 and worm 37 are mounted in an inner housing 41 which is pivotably mounted in the gear-box about a horizontal axis and is pivotally movable by the spindle 38. Movement of the spindle 38 in a direction outwardly of the spindle 19 brings the periphery of the friction wheel 39 into contact with the inwardly presented radial face 27 of the flange of the driving ring. In modifications the gear-box unit is slidably mounted or spring means are provided to urge it to the operative or inoperative positions. A device to retain the. backing member 12 in adjusted position is operated by a spindle 46 to which is attached an operating handle 47. Slots are provided in the backing member 12 to receive bolts or clamps for fixing templates to be scribed.
Patent GB-1085520-A (GB)
Title: The control of three-phase motors
IPC: H02P29/40
Filed: 1966-08-30
Abstract: 1,085,520. Control of A.C. motors. SIEMENSSCHUCKERTWERKE A.G. Aug. 30, 1966 [Aug. 28, 1965], No. 38718/66. Heading H2J. One or more asynchronous motors 2 are supplied from an A.C. source via a controllable rectifier 9 and self-commutating inverter 4, the frequency of which is controlled by 5 so that, if the A.C. supply voltage drops for a predetermined time (about 1 sec.) by at least a predetermined amount the frequency is reduced so that the motor regenerates to charge a capacitor 7 to a voltage corresponding to the instantaneous frequency. The object is to ensure continuity of commutation of the inverter. In addition the frequency, and also the voltage output of rectifiers 9, is controlled so as to maintain constant flux in the motor by a device 10, which compares a reference value 18 either with a signal from a Hall probe, or from a circuit 14, 15,16 which provides a voltage corresponding to flux.
Patent GB-1485091-A (GB)
Title: Two-position tiltable stands for rolling mills
IPC: B21B13/00
Filed: 1975-09-22
Abstract: 1485091 Rolling mills OFFICINE MECCANICHE DANIELI 22 Sept 1975 [25 Sept 1974] 38832/75 Heading B3M A tiltable rolling mill stand 53 is supported in a frame 27 which can be rotated through 90 degrees to allow the rolls 49, 50 of the stand to assume vertical or horizontal positions. The frame is supported by wheels in arcuate guides 47 and is movable by a ram 31. The frame carries reduction gearing 17 which is driven from a motor 10 and coupling 16 (when the rolls are horizontal), or from an alternative coupling 16<SP>1</SP> and shaft 25 (when the rolls have been moved to a vertical position). The motor 10 is axially shiftable by a ram 14 to engage or disengage the respective coupling. The stand is also adjustable, axially of the rolls, within the frame, and movable clear of the frame. To adjust the frame, a support 35 to which the stand is clamped is shifted by a ram 36. The stand is clamped in place by pistons 41, 42 which urge the frame upwardly against wedge surfaces 56, Fig. 4, of the support. When the pistons are released, the stand is shiftable by a further ram 37 clear of the frame 27, while supported on wheels 46. The wheels which guide the frame 27 in the arcuate guides 47 can be clamped in place by spring-loaded pistons (Fig. 6, not shown) which are releasable by fluid pressure.
Patent GB-1472519-A (GB)
Title: Agglomeration process
IPC: A23L1/09
Filed: 1975-09-23
Abstract: 1472519 Sugary agglomerates FOOD TECHNOLOGY INC 23 Sept 1975 [17 Oct 1974] 39011/75 Heading A2B Dried or ground flakes of sugary syrups are agglomerated by spraying onto the flakes from 10-27% of their weight of water whilst tumbling them to form agglomerates, drying the thus lightly moistened agglomerates by blowing warm air on them whilst still tumbling and thereafter drying without tumbling at 75-180F until the moisture content is reduced to from 1.5-7.0% by weight. The flakes are produced by thin film drying of the syrups in the presence of a starch, which has been partially gelatinised during the drying process and/or a soy protein containing material. The syrup may comprise liquid aqueous syrups of invert sugar, corn syrup, malt syrup sorghum syrup, high fructose corn syrup, honey or molasses. The dried agglomerates may be sprayed after drying with a light coating of an edible high melting point fab.
Patent GB-1062157-A (GB)
Title: Improvements in gas and air filters
Inventor: AUCKLAND JOHN RAYMOND
IPC: B01D46/06
Filed: 1962-10-16
Abstract: 1,062,157. Filtering gases. VOKES Ltd. Oct. 16, 1963 [Oct. 16, 1962], No. 39129/62. Heading B1T. A dished sheet metal base 1 has four openings each surrounded by a spigot 2 to which the inlet end of a wedge-shaped filter bag 12 is releasably secured by eight press stud fasteners. The bags carry the male parts (9) (Figs. 5, 6, not shown) of the fasteners, and the bag ends are turned over the appropriate spigot 2 so that the parts (9) engage the female parts 3 of the fasteners provided on the outer surface of the spigot. Each bag is supported by a wire framework 4 formed of two converging walls, the walls being connected at their rear ends by clips 8 and being fixed at their front ends to the base 1. In a modification (not shown), both parts of each fastener are carried by the bag and are interengaged through openings in the spigot, after folding the mouth of the bag there-over.
Patent GB-345672-A (GB)
Title: Method of and means for detecting water vapour
IPC: G01N31/22
Filed: 1929-12-21
Abstract: <PICT:0345672/III/1> An appliance for drying respirable gases for subsequent removal therefrom of noxious compounds is characterized by having disposed in the path of the entrant air, a moisture-absorbent mass, a chemical which undergoes a colour change on contact with water, and an agent for removing the noxious compound disposed beyond the colour change indicator.  The indicator may be embodied with the moisture-absorbent proper, either throughout the mass thereof, or in a region remote from the gas inlet; or it may constitute a distinct charge from the indicator proper.  Thus it may be coated on an inert material such as pumice granules.  As the moisture indicator, dehydrated cobalt chloride or copper sulphate or platinocyanides may be used.  Magnesium platinocyanide is specified in the first Provisional Specification.  The colour change (from blue to colourless in the case of cobalt chloride) may be noted in relation to a safety mark to indicate the beginning of exhaustion of the absorbent.  In a canister for protection against carbon monoxide, shown in the Figure, air is drawn through a layer of drying agent 4, for instance, of dehydrated silica gel, to the indicator material 6 and then to an oxidizing agent 7, which would be rendered ineffective by moisture.  A window 9 is provided for observation purposes.
Patent GB-1319523-A (GB)
Title: Edge sealed corrugated paperboard
IPC: B31F1/28
Filed: 1970-08-14
Abstract: 1319523 Coated corrugated paperboard INTERNATIONAL PAPER CO 14 Aug 1970 [21 Aug 1969] 39343/70 Headings B2E and B2L [Also in Division B5] A corrugated paperboard comprises two facing sheets 2, 4 with a corrugated core 6 therebetween, the corrugations of the core extending transversely across the facing sheets, and a film 8 of thermoplastic material extending. across the corrugations at at least one side edge thus forming a closure at the side edge. A method and apparatus for forming the edge sealed paperboard comprises feeding the board through a thermoplastics applicator 384 along at least one side edge of the board's path, the applicator having an upper wall 390, a lower wall 392 and means for supporting a heated thermoplastic material 396 which forms a film across the corrugations of the core as the board is fed through the applicator. In a further embodiment, the edges of the facing sheets are curved inwards towards each other, an applicator having arcuate upper and lower walls being used.
Patent GB-1168433-A (GB)
Title: One-Piece Plastics Actuator Cap for Small Dispensers
IPC: B65D83/16
Filed: 1966-09-05
Abstract: 1,168,433. Spray.producers. AEROSOL INVENTIONS & DEVELOPMENTS S.A. 5 Sept., 1966 [22 Dec., 1965], No. 39552/66. Heading B2F. [Also in Division Fl] An actuator spray head suitable for use with a pressurized can (10), Fig. 1 (not shown) or a non-pressurized can (50) containing a pump (60), Fig. 6 (not shown) comprises a body portion formed by concentric skirts 18b, 20b connected by a top wall 38b, an actuator button 24b, and a generally U-shaped flexible plastics strip 28b which is connected to the button by webs 34b and to the body portion by staggered webs 32b. The whole head is an integral moulding of a plastics material such as linear polyethylene whereby the button may be depressed vertically to actuate a valve or a pump. A duct within the button communicates with a nozzle member 46b supported by the button. The body portion is shaped at 62b to provide an outlet for the discharge from the nozzle 46b. The body portion may be provided with only a single skirt (56), Fig. 6 (not shown). Figs. 3 and 7 (not shown) depict embodiments in which the button, which may be oval, circular, or rectangular in plan view, is connected to the body portion by two generally U-shaped strips which are interconnected by webs staggered with respect to the other webs. Reference has been directed by the Comptroller to Specification 1,051,551.
Patent GB-1444280-A (GB)
Title: Process for the preparation of moulds and cores
IPC: B22C1/22
Filed: 1973-08-22
Abstract: 1444280 Foundry moulds SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 22 Aug 1973 [24 Aug 1972] 39788/73 Heading C3N A process for the preparation of a mould or core comprises hardening a shaped mixture containing sand, an organic binder, and powdered precipitation bitumen. The powdered precipitation bitumen may be present in an amount 0À5-10% by weight and preferably has a grain size less than 1 mm. (e.g. 0À25 mm.). The precipitation bitumen is preferably a propane bitumen. The "organic binder" is defined as a compound which can be made to react (i.e. harden) to form high-molecular compounds, e.g. furfuryl alcohol-urea-formaldehyde resins, furfuryl alcohol-phenol-formaldehyde resins, epoxy resins and furfuryl alcohol-urea-formaldehyde resins. Such preferred binders suitably contain 50-95 % by weight furfuryl alcohol. Hardening may be effected by heating or by use of an acid, e.g. p-toluene sulphonic acid or phosphoric acid. The sand may be chromite, zirconia, olivine or preferably quartz. A silane may be added to improve the bonding of the resin to the sand. The mould or core produced may be provided with a coating, e.g. a suspension in isopropyl alcohol of zirconia, coal dust, coke or powdered graphite. The suspension may also contain starch or clay.
Patent GB-1124304-A (GB)
Title: Improvements in or relating to fourdrinier paper-making machines
IPC: D21F1/36
Filed: 1965-09-20
Abstract: The tensioning roll for a wire of a papermaking machine is mounted on two support arms which are carried by a rotatably mounted torque member, a lever being rigidly connected to the torque member, and pressure cylinder means being pivotably connected to the lever and so mounted in relation to the torque member that when a constant fluid pressure is applied to the means a controlled variable torque acts on the torque member such that the tension roll moves to produce a substantially constant wire tension.  As described the roll is positioned below the wire and when it moves upwardly to take up stretch in the wire the torque on the torque member due to the weight of the roll decreases-with this torque being counterbalanced by a first pressure cylinder arranged so that its moment arm correspondingly decreases-while the torque due to the wire tension increases as the angle of wrap of the wire about the roll increases-with this torque being counter-balanced by a second pressure cylinder whose moment arm correspondingly increases. Alternatively there may be more than two pressure cylinders connected to the lever.  The cylinders may have a control system such that if the pressure in the supply line should fail an alarm sounds and the cylinders are locked in position.  A damping device may be secured to one of the cylinders.
Patent GB-915959-A (GB)
Title: A pulsatory rotary pump for extracorporeal blood circulation
IPC: F04B43/12
Filed: 1960-11-24
Abstract: 915,959. Surgical pumps. EUROSPITAL S.p.A. Nov. 24, 1960 [June 17, 1960], No. 40405/60. Class 81 (2). [Also in Group XXVI] A pulsatory rotary pump for extra-corporeal blood circulation, comprises a base 1, Fig. 1, having an arc-shaped cylindrical seat 3, against which a pair of parallel flexible flow pipes 15, 16, Fig. 2, adhere and a rotor 9 mounted on a shaft 5 supported at its ends in bearings 6. The rotor 9 carries at its ends on pivot pins 12 pairs of rollers 10, 11 which on rotation of the rotor, pump a pulsatory flow of blood through the tubes. The rhythm and pressure of the blood may be adjusted jointly by a speed variator fitted between the rotor and the motor driving it. Screw-threaded shafts 26 also co-operate with the internally threaded ends of the pivot pins 12 to simultaneously adjust the pins inwardly or outwardly with respect to the axis of the shaft 5 to get less or more squeezing of the tubes. The shafts 26 carry planet gears 25 which mesh with gears 23 which in turn mesh with twin gears 22 carried on a rod 21 operable by a knurled knob 20 and locked in adjusted position by another knurled knob 29.
Patent GB-1483087-A (GB)
Title: Control system for alumina reduction cells
IPC: C25B15/02
Filed: 1974-09-17
Abstract: 1483087 Automatic control REYNOLDS METALS CO 17 Sept 1974 [17 Sept 1973] 40478/74 Heading G3N A control system for a plurality of alumina reduction cells includes a stem voltage sensor associated with the anode of each cell, an anode maladjustment detector, a dectector bus, a plurality of addressable multi-plexer, one for each cell and a data processor communicating through the multi-plexers with the cells. As shown a data processor 400 controls three  lines of alumina reduction cells 402, through interface circuit 422. Each line comprises thirty cells which are connected through individual multiplexers 404 to a section box 406. A data bus and a detector bus 418, carrying a stem voltage which is processed in a ground detector 408, see Specification 1476695 Division F2, are selectively connected through an isolator 410 to a bus 420. A power supply 412 is provided for calibration. A control bus 424 provides an interrupt signal for the multi-plexers and a command word containing address, function and control signals to the multiplexers and section box. The multi-plexer in response to a command signal reads the stem voltage, derived from the potential drop between two points on an anode stem, reads the cell voltage and actuates a motordriven device to break the crust at one, the other or both ends of a cell.
Patent GB-1185346-A (GB)
Title: Improvements relating to Anodic Oxidation of Aluminium and Aluminium Alloys.
IPC: C25D11/06
Filed: 1967-09-06
Abstract: 1,185,346. Anodizing aluminium and alloys thereof. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Sept.6, 1967 [Sept. 9, 1966], No. 40673/67. Heading C7B. An article of aluminium or alluminium alloy is anodically oxidized using an aqueous electrolyte containing 50-200 gm/1 oxalic acid, 5-40 gm/1 chromic acid and 2À5-20 gm/1 sulphuric acid or a chemically equivalent amount of a sulphate, which electrolyte has a pH of less than 1 and a temperature of 15-30‹C., and using an applied voltage having an initial value of approx. 30 volts, which is then gradually raised to a value of from 60 to 100 volts.
Patent GB-1125757-A (GB)
Title: Improvements in and relating to the cooling of castings and the cooling and drying of the mold sand used for such castings
IPC: B22C5/08
Filed: 1965-09-24
Abstract: 1,125,757. Treating moulding materials. LANDBOUWWERKTUIGEN-EN MACHINEFABRIK, H. VISSERS, N.V. 24 Sept., 1965 [9 Oct., 1964], No. 40820/65. Heading B3F. In a method of cooling castings and cooling and drying moulding sand, the moulds including the castings are stripped from their flasks, which have been partially cooled and are deposited in a rotatable drum 1, the rotation of the drum effecting by co-operation between the casting and the sand cooling and cleaning of the casting and the breaking up and drying of the moulding sand. The drum has an inlet shoot 3 through which the castings and sand to be treated pass, the portion of the drum adjacent the inlet providing a primary cooling zone. The intermediate portion of the drum is provided with perforations: 6 and as the sand and castings are moved, by means not shown, i.e. blades on the internal periphery of the drum, the cooled sand passes through the perforation 6 into a stationary discharge shoot 1. The castings are subsequently discharged through outlet 4 in the other end of drum. The area of perforations is adjustable by propositioning the location of band 9 within which the drum rotates. Additional cooling may be provided by air flow through the drum or spraying water from a pipe 8 positioned within the drum, the steam generated being removed via an outlet 5. The drum may be subjected to an internally reduced pressure.
Patent GB-1175948-A (GB)
Title: Signal Detector circuit.
IPC: G01R19/22
Filed: 1968-08-27
Abstract: 1,175,948. Detector circuits. INTERNATIONAL BUSINESS MACHINES CORP. 27 Aug., 1968 [14 Sept., 1967], No. 40820/68. Heading H3T. A signal detection circuit comprises means for chopping an input signal to produce a sequence of discrete pulses, means for differentiating the pulses to produce a sequence of spike pulses and means for smoothing the latter to produce a unipolar output signal having an amplitude level representative of the amplitude of the input signal. A signal A, Fig. 2, is applied over capacitor 10, Fig. 1, to the source 14 of field effect transistor, the gate 18 of which is driven with a square waveform B, to produce a chopped waveform C at the drain. This is differentiated in differentiating circuit comprising capacitor 24 and resistor 26 to produce the spike waveform D. This is applied to the base of transistor 28, the negative-going spikes causing conduction in the transistor, the collector potential of which is smoothed by means of R, C circuit 30, 32 to produce at terminal 34 a relatively steady signal E representative of the amplitude of the input signal.
Patent GB-1243400-A (GB)
Title: Improvements in or relating to heat-expansible terpolymer compositions
IPC: C08G75/22
Filed: 1968-08-27
Abstract: 1,243,400. Expandable sulphur dioxide/ butene - 1/propene terpolymers. PRODUITS CHIMIQUES PECHINEY SAINT-GOBAIN. 27 Aug., 1968 [30 Aug., 1967 ; 22 July, 1968], No. 40884/68. Headings C3C and C3P. A heat-expandable terpolymer comprises (A) a sulphur dioxide/butene- 1/propene terpolymer wherein the ethylethylene groups represent 40-90% by wt. of the total ethylethylene groups and propylene groups in the terpolymer, and the molar ratio SO 2  to (ethylethylene + propylene groups) is 1:1, and (B) 5-12% by wt. of a blowing agent. The terpolymer may be made by copolymerizing the monomers in aq. suspension in the presence of a suspending agent and catalyst at 20-65‹ C. and at autogeneous pressure, the propene being introduced in successive fractions or continuously, and on completion of polymerization a blowing agent is introduced.
Patent GB-1244022-A (GB)
Title: Electrophotographic sensitometer
Inventor: ROBINSON GENE HAROLD
IPC: G01N27/60
Filed: 1968-08-27
Abstract: 1,244,022. Testing photo-conductive surfaces. EASTMAN KODAK CO. Aug.27, 1968, No.40953/68. Heading G2H. An apparatus for sensitometrically testing a strip of photo-conductive material 16 carried on a drum 10 comprises a corona charging device 31 having an endless wire 32 to apply a predetermined charge to the strip, means including a variable density wedge 26 for exposing the strip after charging and means for measuring the potential of the charge on the strip during movement of the strip relative to the device 31 and for measuring the surface charge remaining on the strip after exposure. A lamp house 40 has a lamp 41 maintained about 3000 degrees K adjacent a shutter 43 controlled by a solenoid (44) Fig. 1 (not shown). A rotary exposure drum 11 has circular plates (20) Fig.1 (not shown) and 21 Fig.2 joined by struts 22, 23 providing openings 24, 25. The wedge e.g. a cast carbon wedge having a density range of 0À02 to 4À0 over a 9 ins length is positioned over the opening 25. An opening 28 is provided in a stationary mask 29. The drums 10 and 11 are driven in synchronism during exposure by a motor (50) Fig.1 (not shown) through a reduction gear (53) but the drum 10 is driven faster during charging. A pick-up head 70 measures the potential of the charge, the output being fed to an amplifier and indicator 79, while a recorder 74 records the increase in such potential to produce a graph of voltage and log of exposure Fig.3 (not shown).