baber/WOPTO huggingface dataset:
Patent GB-940889-A (GB)
Title: An improved electric cell or battery
IPC: H01M10/04
Filed: 1961-02-23
Abstract: 940,889. Batteries. YARDNEY INTERNATIONAL CORPORATION. Feb. 23, 1961 [Feb. 24, 1960], No. 6724/61. Heading H1B. A cadmium-silver or cadmium nickel cell comprises a housing formed by two cup-shaped steel members 10, 12 which have insulating layers 11, 13 respectively, thermally bonded to the inner surfaces of the cup-shaped members except at their flat ends 18, 19 respectively, which serve as collectors. The insulating layers 11, 13 which are preferably thermoplastic resins, e.g. polystyrene, polyvinyl chloride resins, tetrafluorethylene resins, neoprene, or polyethylene, are sealed together at 13<SP>1</SP> by heat. In Figs. 2 and 3 (not shown), the inner steel chamber has insulation bonded to its outer surface as well as its inner surface, whilst in Fig. 4 (not shown), the outer member has insulation bonded to its outer surface as well, and is closed, not by a cup-shaped member, but by a flat insulated lid. Gassing is prevented by adding an excess of CdO to the negative plate.
Patent GB-941873-A (GB)
Title: Thermal relays
IPC: H01H61/04
Filed: 1960-02-25
Abstract: 941,873. Thermal switches; control of A.C. motors. TEXAS INSTRUMENTS Inc. Feb. 25, 1960 [July 29, 1959], No. 6733/60. Headings H2B and H2J. A switch has a thermal element heated by current through it to open normally-closed contacts at a predetermined current, and to close normally-open contacts at a higher predetermined current, one of the normally-closed contacts being carried by the element, and one of the normally-closed contacts being carried by a member engageable and operable by the element. The thermal element 50 is U-shaped in plan, Fig. 1, having legs 60, 62 and in side elevation, Fig. 2, having legs 56, 58. The free ends of the lower legs 58 are connected to terminals 26, 28 and the free ends of the upper legs 56 are joined at 64 and carry a contact 66 co-operating with a fixed contact 34 carried by a terminal 30. The terminal 28 also supports one end 42 of a U-shaped spring member 40 which carries a contact 46 co-operating with a contact 32 carried by terminal 26. The switch is intended for cutting-out the starting winding of a motor after a predetermined time, and thus terminal 30 is connected to that winding 70, Fig. 19, terminals 26, 28 being connected to one side of the supply, and to the main winding 72. As the element 50 is heated by the combined start and main currents, it deflects downwards to open contacts 34, 66 and disconnect winding 70. The element is further heated by the main current and it thereafter engages an insulator 68 on member 40 to depress that member and close contacts 32, 46 which short-circuit the element. The latter thus cools and re-opens contacts 32, 46, and continues to cycle until the supply is disconnected. The contact 34 may be carried by an ambient temperature compensating strip, Figs. 4-6 (not shown), and a heater winding may be arranged in series with the bimetal Figs. 8, 9 (not shown). Instead of being integral with equal legs, the element 50 may have legs of unequal width, or may be made in two parts joined at 64 and formed from different materials, Figs. 10-14 (not shown). The downward pressure of the element 50 on the member 40 is applied off-centre of the contact 46, so that contact 46 rolls slightly on contact 32 to give a cleaning action.
Patent GB-1059036-A (GB)
Title: Compensating device for a fluid system
Inventor: WONG GEORGE SHOUNG KOON
IPC: F16C29/02
Filed: 1964-02-19
Abstract: 1,059,036. Bearings; lubricating. MACHINE TOOL INDUSTRY RESEARCH ASSOCIATION. Feb. 12, 1965 [Feb. 19, 1964], No. 6873/64. Heading F2A. A compensating device for a fluid bearing comprises a two-part housing (1, 2) having a flexible diaphragm (3) with a reinforced fiat central portion (4) positioned between the parts (1 and 2). The part (1) has an inlet compartment (5) which is connected by a passage (9) to the fluid bearing and is connected to a source of pressurized fluid by a passage (7). The part (2) has an outlet compartment (6) which is connected by a passage (10) to the fluid bearing and is connected by a return-passage (17) to the source of pressurized fluid. An input regulator (8) and an output regulator (11) are provided to restrict the flow of the fluid and differential pressures are created at each side of the diaphragm (3) by the different effective areas. The pressure in the outlet compartment (6) is supplemented by a spring (15) which urges a rod (12) against the diaphragm. The rod is mounted in a sleeve (13) which is screwed into the part (2) of the housing and adjustments are made to the spring stiffness by an electro control device (14), for example. In operation, the equilibrium pressures in the inlet and outlet compartments (5 and 6) depend on the inlet and outlet resistances, which vary with the position of the diaphragm in the gap, and on the resistance between the inlet and outlet compartments, i.e. the resistance of the bearing which is connected to the inlet and outlet compartments.
Patent GB-411462-A (GB)
Title: Improvements relating to automatic telephone systems
IPC: H04Q3/42
Filed: 1933-03-07
Abstract: 411,462. Automatic exchange systems. SIEMENS BROS. & CO., Ltd., Caxton House, Tothill Street, DIXON, R. G., 162, Westmount Road, Eltham Park, both in London, and LONG, D. P., 3, Ingleby Way, Chislehurst, Kent. March 7, 1933, No. 6887. Drawings to Specification. [Class 40 (iv).] A code-translating switch in a registertranslator may control two different translated codes at a single setting, the codes corresponding either to different routes to the same exchange or to routes to different exchanges. In the first case, further wipers for controlling the transmission of an alternative code are connected up in later-positions of the outputcontrol switch when the normal code results in an all-trunks-busy signal. In the second case, the discrimination between the two codes is effected in accordance with which of two (odd and even) A-digits effects the seizure of the register-translator by the A-digit switch. If the A-digit is odd, a relay in the registertranslator is operated to switch over from one test bank of the code-translating switch to another, and from one bank of the outputcontrol switch to another in which the twelve translation-determining wipers of the codetranslating switch are connected in reverse order. Thus, for example, for the same position of the translating switch, the first five wipers may be used for an exchange having a first digit 3 and the remaining seven (or less) for another exchange having a first digit 4. The invention is described with reference to a register-translator identical with that described in Specifications 411,456 and 411,463. For changing a translation without taking any of the register-translators out of service, an early position, e.g. the first, in the code-translating switch may be temporarily used for the exchange concerned, the switch being caused to stop in this position by means of a connection over a plug or the like to the test bank, and the translation being then changed at leisure after which the plug is removed. An arrangement for ensuring release of the register-translator without interference comprises a quick-releasing relay in the test-in circuit which normally energizes over off-normal contacts of all the register-translator switches and then locks up independently of these in series with a slowrelease relay controlling release.
Patent GB-557494-A (GB)
Title: Improvements relating to the production of substances suitable as substitutes for egg white
IPC: A23L1/00
Filed: 1942-05-21
Abstract: 557,494. Treating soya bean &c. flour. FERREE, J. C., GORDON, A. B., and SOYA FOODS, Ltd. May 21, 1942, No. 6949. [Class 58] [Also in Group VI] A substitute for white of egg is obtained by extracting ground soya beans, haricot beans, wheat germs, lupins or other protein-containing seeds with water, separating the solids and whipping the extract to form a foam. The liquid extract may also be evaporated to dryness, preferably by spray drying, and the solid product mixed with water or an edible liquid, such as milk, skimmed milk, fruit juice or meat extract, before whipping to form the foam. The whipped product may be used in making baked goods, hard meringues, marshmallows, candies of the nougat type and souffles or with the addition of sugar and, if desired flavouring, in making meringues, icings, refrigerated products and creams.
Patent GB-908447-A (GB)
Title: Improvements relating to the production of coated papers
IPC: D21H19/62
Filed: 1960-02-29
Abstract: 908,447. Manufacture of coated paper. WARREN CO., S. D. Feb. 29, 1960 [March 3, 1959], No. 7057/60. Class 96. Paper which may be rosin-sized and made from bleached hard and soft wood pulps and which may be starch-sized at a size press, or given a prime coating of oxidized starch and clay is dried, e.g. at over 150‹ F., as by passing it over heated drying cylinders and then cooling it, e.g. to below 110‹ F., and is then coated with an aqueous coating at the same rate as the paper is formed, e.g. as part of a continuous paper-making process. The coating mixture 40 may be supplied, as a pool, to the paper 36 at a resilient roll 34 as it passes a blade 38 urged towards the roll 34, coating-liquid pressure holding the blade at a distance from the paper so that streakiness does not occur, the solid coating B being built up at a distance C from the edge of the blade. The coater may be preceded by a water-cooled roll, felt doctors and an air blast ensuring that water condensation on the roll does not spoil the paper. The paper may be calendered after leaving the cooling roller and after final drying. The blade 38 may have a small roller along its edge.
Patent GB-754243-A (GB)
Title: Improvements in or relating to a process for the emulsion copolymerisation of vinyl compounds
IPC: C08F4/32
Filed: 1954-03-11
Abstract: Vinyl monomers, e.g. styrene, chlorostyrenes, vinyl toluene, vinyl naphthalene, acenaphthylene, ethylene, butadiene, cyclopentadiene, vinyl and vinylidene chlorides, vinyl acetate, acrylates, methacrylates, vinyl ketones and ethers and acrylonitrile, and a conjugated fatty acid, oil or ester in which the fatty acid radical contains from 16 to 24 carbon atoms and from 2 to 4 ethenoid linkages of which 2 or 3 are conjugated, e.g. dehydrated castor, conjugated linseed, isomerized walnut, conjugated soya and tung oil fatty acids, glycerides or esters with mono-, di- and polyhydric alcohols and oil - modified alkyds, are copolymerized in aqueous emulsion in the presence of a mixed catalyst comprising an organic peroxide and a reducing agent. Suitable peroxides are acetyl, benzoyl, lauroyl, and steacoyl peroxides, cumene, di-t-butyl, and methyl cyclohexyl hydroperoxides, 2,21-bisi(tert-butyl peroxy)-butane, peracetic acid and t-butyl perbenzoate, and the reducing agent may be a sugar, e.g. dihydroxy acetone, galactose, glucose, dextrose, xylose, arabinose, lactose, mattose, cellobiose, and fructose, an amine, e.g. tetraethylene pentamine, triethylene tetramine, diethylene and dipropylene triamines, ethylene, propylene and hydroxyethyl ethylene diamines, diethylamino-ethanol, dimethyl aniline, mono-, di-, and triethylamines, ethanolamines, aniline, naphthylamine and halogen substituted anilines and salts thereof, or a polyvalent metal salt, e.g. ferric sulphate, cuprous and cupric chlorides and cobalt naphthenate and acetate.  Emulsifying agents such as alkyl aryl polyether alcohols and sodium lauryl sulphate, casein, sodium and ammonium carboxymethyl cellulose and soya protein with a preservative such as sodium pentachlorphenate may be used and one-half of the emulsifier added after completion of the reaction.  The peroxides or mixed catalyst and the vinyl monomer may be added incrementally.  In examples, styrene alone or with a-methyl styrene, or methyl methacrylate, vinyl toluene, methyl methacrylate or acrylate, are copolymerized with linseed, tung, oiticica, and dehydrated castor oils, and the emulsions blended with pigments, fillers, extenders and driers, are used as coating compositions.
Patent GB-609520-A (GB)
Title: Improvements in or relating to receivers for phase and frequency modulated waves
IPC: H03C3/06
Filed: 1946-03-07
Abstract: 609,520. Frequency and phase modulation. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. March 7, 1946, No. 7213. Convention date, March 7, 1945. [Class 40 (v)] Two waves of different frequencies are derived from an incoming angle-modulated wave and are applied to respective resonant circuits so as to operate on opposite slopes of their resonance curves, the amplitude-modulated outputs being passed to balanced detectors to give a differential rectified resultant representing the signal. The two derived frequencies may be a subharmonic F/n of the mean input frequency F, and a multiple of that subharmonic F(nŒ1)/n, and they may be generated by a reaction modulator. The incoming wave converted to an intermediate frequency F is applied by the tuned circuit 3 to one input grid of a mixer valve 4 whose anode circuit 14, 15 is tuned close to the subharmonic F/n. The anode is connected to the grid of a frequency-multiplying valve 20, the anode circuit 40, 41 of which is tuned close to a frequency F(n - 1)/n and is connected to the second input grid of the valve 4. In this way oscillations are maintained in the two tuned circuits at the frequencies F/n and F(n - 1)/n and both follow the frequency deviations of the incoming wave. In Fig. 3, the curve a, b represents the resonance curve of the circuit 14, 15 and g<1>, d<1> that of the circuit 40, 41, the two derived frequencies being centred at band g<1> on opposed slopes of these curves. Oppositely-poled rectifiers 43, 44 are connected across the respective tuned circuits, and the signal is taken off at 55 across the series-connected load resistances 46, 50. The arrangement operates as an amplitude limiter, and reduces noise when no FM signal is being received.
Patent GB-1073892-A (GB)
Title: Continuous dough making
Inventor: DIXON WILLIAM
IPC: A21C1/14
Filed: 1965-02-19
Abstract: 1,073,892. Controlling the texture of bread. WALLACE & TIERNAN Ltd. Feb. 10, 1966 [Feb. 19, 1965], No. 7291/65. Heading A2B. In a continuous process for making bread dough, the texture of the bread is controlled by regulating the pressure of the premixed dough in a conduit (2) (Fig. 1, not shown) between a dough pump (1) and a closed developer (3), e.g. as described in Specification 735,814, by means of an adjustable throttling member 4. The conduit (2) comprises in part a flexible pipe 11 and the pressure of the dough in pipe 11 is adjustable by adjusting the position of pressure plate 23 on pipe 11 by screw 5.
Patent GB-609190-A (GB)
Title: Transmission line
IPC: H03H7/01
Filed: 1946-03-08
Abstract: 609,190. Preventing inductive disturbances. STANDARD TELEPHONES & CABLES, Ltd. March 8, 1946, No. 7316. Convention date, March 19, 1945. [Class 40 (iv)] [Also in Groups XL (b) and XL (c)] A balanced wave transmission line 1 and 2 with a quarter-wave short-circuited line 5 connected thereto has at least one other quarterwave line 6 connected adjacent the line 5 and terminated in a dissipating impedance 8. The line 6 and impedance 8 dissipate undesirable resonating effects. The lines may be enclosed in a sheath and the bottom end of impedance 8 may be connected to the sheath instead of to earth as shown.
Patent GB-583496-A (GB)
Title: Improvements in wide frequency band antennae
IPC: H01Q5/314
Filed: 1944-04-21
Abstract: 583,496. Aerials. STANDARD TELEPHONES & CABLES, Ltd., and WILLOUGHBY, E. O. April 21, 1944, No. 7480. [Class 40 (v)] A short aerial for aircraft comprises a pair of magnetically coupled resonators enclosed in a streamlined hollow conductor 4, and tuned to the signal frequency. One resonator is of the coaxial type and comprises the outer conductor 4 and a pair of parallel rods 1 (of which only the more distant one is seen in Fig. 5) forming' the inner conductor. These are about #/5 long and terminate in two metal masses 15, 16, which are separated by insulation 13, 14 from the outer conductor 4, the capacity between them and it being adjustable by means of screw-mounted discs 27, 28 co-operating with tongues 25, 26. The masses 15, 16 are extended by streamlined metal end caps 29, 30. The second resonator also is coaxial and comprises the outer conductor 4 and a flat strip 9 which lies between the rods 1 and forms the inner conductor. The strip 9 is connected to the outer conductor 4 conductively at its righthand end and capacitively at its left-hand end, the capacity being adjustable by means of a screw-mounted disc 23. For sending, the aerial is fed by means of a #/4 coaxial feeder 7, 8, which may be streamlined by means of a vane which turns in the wind. The sheath 7 of the feeder is connected to the outer con, ductor 4 of the aerial while its core 8 is connected to a metal plate 20 which is capacitively connected to the strip 9 through an insulating disc 21, and to the sheath 7 of the feeder through insulation 19. The resonators oscillate as dipoles and have equal values of Q. The resonator 9, 4 is thus excited by the feeder 7, 8 and is magnetically coupled to the first resonator 1, 4, the value of the coupling factor being somewhat greater than the critical value so as to produce a band-pass effect. The magnetic coupling can be varied by adjusting the distance apart, Fig. 6 (not shown), of the two rods 1. Radiation is emitted by the outer conductor 4 forming an open-ended transmission line with the ground. For receiving, the conductor 9 may be connected through an inert rectifier at a point of relatively low potential to the core of the feeder, Fig. 7 (not shown), or through a diode at its open end to the outer conductor 4, Fig. 8 (not shown).
Patent GB-209640-A (GB)
Title: Improvements in or relating to tin openers
IPC: B67B7/46
Filed: 1923-03-15
Abstract: 209,640. Weaver, S. B. March 15, 1923. Opening by cutting.-A tin opener of the kind comprising a cutter adjustable with reference to a fixed piercer-point comprises a wire 1, Fig. 2, having one end bent and formed into the piercerpoint 3 and the other made into or fitted with a ring 2, the wire being enclosed by metal plates 4<a>, 4<b>, Fig. 4, and dipped or tinned to hold the parts together. Slidingly mounted in a carrier 5. on the enclosing plates is a triangular cutter blade 6.
Patent GB-349167-A (GB)
IPC: F02M9/06
Filed: 1930-03-07
Abstract: 349,167. Spray carburetters. WARLAY, M. and GALOVAC, M., 99, Vlaska Ul, Zagreb, Jugo-Slavia. March 7, 1930, No. 7503. Convention date, March 7, 1929. [Class 7 (iii).] In a floatless carburetter a transverse sliding member 5 controls the air passing through a main air passage 7, whilst the fuel supply is simultaneously adjusted by a needle valve 11 controlling an orifice 10 formed in the slide 5, to which orifice the fuel is fed through a flexible pipe leading to a passage 9. Aerating air is admitted through passages 12, 13 also formed in the slide 5. One end of the needle valve is enlarged to form a plunger which projects from the side of the slide 5 and bears against an adjustable inclined abutment member 16 located at one side of the slide housing. A light spring 14 retains the needle valve on its seating in the event of the slide being open when the engine stops, thus preventing leakage of fuel. When the engine is running the needle valve is opened by suction to an amount determined by the position of the slide 5. The inclination of the abutment 16 may be adjusted bv a set screw 22 which bears against one end, the other end being pivotally mounted and provided with a spring-loaded arm 19. The pivot 17 is carried by a block 18 which may be moved by means of a screw 23 to adjust the position of the member 16 relative to the slide.
Patent GB-1156896-A (GB)
Title: Multilevel Digital Skimmer
Inventor: EVANS NOROL THEODORE
IPC: G01S7/292
Filed: 1968-02-15
Abstract: 1,156,896. AID converters. HUGHES AIRCRAFT CO. 15 Feb., 1968 [23 Feb., 1967], No. 7559/68. Heading G4H. [Also in Division H4] In a radar receiving system the peak level of video returns is detected during each range bin, the receiver gain is determined at selected instants to afford a reference voltage related to the receiver gain and detectors are each responsive to the peak magnitude, the reference voltage and an adjustable threshold (" skim ") level, each detector providing an output signal when the peak video level exceeds the skim level by a preselected magnitude which is different for each detector. In the embodiment the receiver is logarithmic and the skim level is set by known means to maintain a constant false alarm rate related to " hits " 3dB above R.M.S. noise. The peak video level detector is a box-car and the detectors D2 . . . D7 include resistors R2 ... R7, operational amplifiers 30, inverters 33 and bi-stables 32. The outputs of detector D2 . . . D7 may be applied to a selection circuit not described to indicate the highest numbered detector having a " true " output. Controlling reference level.-The input to the logarithmic receiver is periodically applied to a source of reference signals comprising a pair of spaced pulses having predetermined different levels, Fig. 1, 4 (neither shown); the peak detector gives reference video signals which are stored in box-car detectors, timed outputs from which are subtracted and the resultant compared with a known voltage to afford the reference level for detectors D2 . . . D7, Fig. 5 (not shown).
Patent GB-790994-A (GB)
Title: Production of pyridine bases
Inventor: ARIES ROBERT SANCIER
IPC: C07D213/09
Filed: 1954-03-16
Abstract: Pyridine and b -picoline are obtained by a process which comprises contacting a reaction mixture of ammonia, formaldehyde and acetaldehyde in the vapour phase at an elevated temperature with a dehydration catalyst, the reaction mixture containing at least one molar proportion of ammonia to two molar proportions of total aldehydes.  It is preferred to use a slight excess of formaldehyde over the acetaldehyde to prevent the formation of a - and g -picolines.  Methylal, formalin, paraformaldehyde and trioxane may be used instead of free formaldehyde and paraldehyde or metaldehyde may be used instead of free acetaldehyde.  The preferred temperature range for the process is 300-500 DEG  C. Suitable dehydration catalysts are, for example, silica gel, the oxides of metals having a valency of 3 or 4, in particular aluminium oxide, alumina gel and various mixtures of these oxides, with or without small quantities of promoters such as thorium oxide.  The pyridine and b -picoline may be recovered by cooling the reaction mixture to room temperature or below, extracting with a suitable solvent, such as ether or benzene, and fractionally distilling the dried extract.  In the examples: (a) trioxane, paraldehyde and ammonia are heated in the presence of a silica gel/alumina catalyst to give a mixture containing pyridine and b -picoline; (b) formaldehyde, acetaldehyde and ammonia are heated together in the presence of a silica gel/alumina catalyst to give pyridine and b -picoline; (c) a mixture of trioxane, acetaldehyde and ammonia is heated in the presence of a silica gel catalyst to give pyridine and b -picoline; and (d) mixtures of paraldehyde or acetaldehyde with trioxane, formaldehyde, methylal-methanol azeotrope or formalin are heated with ammonia in the presence of a silica gel/alumina catalyst to give pyridine and b -picoline with, in some cases, small amounts of g -picoline and/or a -picoline.  Reference has been directed by the Comptroller to Specification 742,643.