baber/WOPTO huggingface dataset:
Patent GB-735088-A (GB)
Title: Improvements in and relating to the construction of a master cylinder unit for hydraulic brake systems
IPC: B60T11/22
Filed: 1953-08-28
Abstract: 735,088. Hydraulic brakes. SPRINGMEIER, E. H. Aug. 28, 1953 [Sept. 2, 1952], No. 23823/53. Class 103 (1). [Also in Group XXII] A master cylinder unit for use in hydraulic brake systems for motor vehicles, comprises a preformed cylinder 24 preferably of aluminium alloy provided with smooth long-wearing bore for a piston assembly, a metallic casting, e.g. of aluminium alloy, surrounding and bonded to said cylinder and including a brake fluid reservoir 30 and a preformed member at one end of said cylinder reducing the effective internal diameter of said cylinder and providing a shoulder to form a valve seat within said cylinder. The preferred member is a steel ring 42. Specification 735,090 is referred to.
Patent GB-807373-A (GB)
Title: Improvements in electric voltage measuring circuit arrangements
Inventor: MCCALLISTER EDWARD SAMUEL
IPC: A61B5/04
Filed: 1954-08-16
Abstract: 807,373. Voltage measurement. PHILIPS ELECTRICAL INDUSTRIES Ltd. July 5, 1955 [Aug. 16, 1954], No. 23838/54. Class 37. In an electric voltage indicating circuit having two input terminals differentially energized by the voltages appearing between two spaced electrodes on the surface of a body by reason of an electric field therein, between which electrodes a finite internal impedance exists; there is provided an auxiliary electrode on the surface of the body outside the electric field and also an impedance potentiometer whose slider is earthed, with switching such that for balancing out unwanted disturbing voltages due to ambient electric or magnetic fields the potentiometer is connected across the input terminals and is adjusted for optimum balance, and alternatively the potentiometer is disconnected from the inputs and the auxiliary electrode terminal is earthed to achieve a natural balance due to the internal impedances of the body between the electrodes. Fig. 1 shows electrocardiograph electrodes 7, 8, 9 attached to the surfaces of the right arm, left arm and left leg of the patient, and electrode 11 similarly attached to the right leg which is substantially outside the body electric field to be determined. Electrodes 7, 8 are connected differentially to input terminals 1, 2 of differential amplifier 3 and voltage indicator 4, and a potentiometer 19 having its slider earthed at 15, is connected across the inputs by switches 17, 22 while electrode 11 is earthed over switch 13 closed when switches 17, 22 are open. In the latter position, any small value of unwanted voltage pick-up is inherently cancelled by the position of electrode 11 in conjunction with the impedance in the body between electrodes 7, 8, provided that the input impedances of terminals 1, 2 are made high; as by the omission of grid resistors. In the former switch position larger values of unwanted voltage are cancelled by adjustment of the slider of potentiometer 19. The leads to the input terminals may be provided with screens and the effect of their capacitances on the input impedances is then reduced by interposing balanced cathode followers (Fig. 2, not shown), between the lead outputs and the input terminals the screens being disconnected from earth and connected to the common cathode point. Specification 712,709, [Group XL (b)], is referred to.
Patent GB-1028629-A (GB)
Title: Thermostatic valve for use in hot water heating installations
IPC: F16K31/68
Filed: 1963-06-14
Abstract: 1,028,629. Valves. DANFOSS A/S. June 14, 1963 [June 26, 1962], No. 23862/63. Heading F2V. The operating bellows 5 of a valve is open to the controlled fluid and is disposed in a chamber 7 in direct communication with a further chamber 8 to which is connected by a capillary tube 12 to room temperature sensitive element 13, the spade 14 in which is open to bellows 15; the latter is provided with a spring 19 which yields if expansion of the thermally suspansion fluid in the space 14 and chambers 7, 8 continues after the valve closes. The capacity of the space 14 must not be more than five times that of the combined volumes of chambers 7, 8. In the embodiment shown, the ratio is 3: 1.
Patent GB-953071-A (GB)
Title: Circular knitting machines and a process of knitting thereon
IPC: D04B15/06
Filed: 1960-07-08
Abstract: 953,071. Knitting-machines. M.NEBEL. July 8, 1960, No.23955/60. Addition to 902, 171. Heading D1C. Whilst loops are being drawn behind sinker hooks h, as in the parent Specification, in a vertical or almost vertical direction, the sinkers are positively guided and substantially prevented from moving inwardly or outwardly. With the cam S 1 , which advances the sinkers earlier and further than does the normal cam S 4 , co-operates a counter-cam S 3 , to provide a parallel-sided sinker-butt track; and this track contains a part, between concentric circular portions y-v and y<SP>1</SP>-v<SP>1</SP> of the cam edges, which interrupts sinker advance during loop drawing. When the cam S 1  is swung to inoperative (dotted line) position, as for formation of welts or heels and toes, the cam S 4  takes over and, to prevent over-run of the sinkers by reason of the spring F, a second counter-cam S 5  which is linked to cam S 1 , is swung outwardly, to cover the cut away portion x<SP>1</SP>-y<SP>1</SP> of the cam S 3  and to cooperate with the cam S 4 . The cam S 5  may, however, be actuated separately from the cam S 1  and may be lowered into operative position. The arrangement of the invention may be repreated in a multi-feed machine.
Patent GB-957021-A (GB)
Title: An elongated flexible band for forming high tensile strength covering
IPC: F02K9/34
Filed: 1960-07-08
Abstract: 957,021. Straps and bands. BENDIX CORPORATION. July 8, 1960 [July 9, 1959], No. 23977/60. Heading A4X. [Also in Divisions B5 and D1] A flexible tape comprises a plurality of longitudinal wires embedded in plastic binder, characterized in that each of said wires is formed by a continuous filament of high tensile strength coextensive with the length of the tape, said wires being disposed in parallel alignment and side-by-side relation to provide throughout the length of the tape a uniform cross-section thereof, which is maintained by an extruded binder adhesively securing said wires together. As shown, filaments 16 of circular crosssection wire are drawn from spools 18, passed through a gathering die 20, through cleaning tank 21 containing trichlorethylene, through die 24 and through applicator tank 26 containing a liquid or molten resinous binder which adheres to the wires 16. Upon emerging from tank 26 the tape is cooled by fan 29, passed over oppositely turning rollers 28 coated with polytetrafluoroethylene, and wound up on roll 34, a liner 30 fed from supply roll 32 being wound simultaneously on to roll 34 so that each layer of wire tape is separated by a layer of liner. The wires may be of steel, titanium, tungsten or molybdenum. The binder may comprise a phenolic-epoxyelastomeric material, or low-melting alloys, ceramics or cermets. The liner may be of polyethylene terephthalate or paper. The tape may comprise more than one layer of wires or wires of rectangular cross-sections or may itself be of circular cross-section.
Patent GB-1240235-A (GB)
Title: Method for the non-destructive assay of bulk nuclear reactor fuel and apparatus
IPC: G01N23/09
Filed: 1969-05-12
Abstract: 1,240,235. Detecting neutrons. NATIONAL NUCLEAR CORP. 12 May, 1969 [13 May, 1968], No. 24019/69. Heading G6P. In a non-destructive testing system, for nuclear reactor fuel elements, the element is neutron irradiated. The delayed and prompt fission neutrons are counted and compared with counts for a standard sample to provide a measure of the plutonium/uranium ratio in the element. The neutron beam employed has an energy lower limit above the large fission resonance of the fissionable material and an upper limit less than the fission threshold of the fertile element. The fuel element, 30, is irradiated in the neutron beam, 24, the delayed fission neutrons are detected at 32, 33 and prompt fission neutrons at 34. The neutron beam is formed in the accelerator, 21, employing a reaction of the type :- In an alternative form, an antimony-beryllium neutron source is employed.
Patent GB-997369-A (GB)
Title: Catalysed urethane polymers
IPC: D06M13/398
Filed: 1961-07-04
Abstract: A method for preparing an elastomer from the curable reaction mixture of an aromatic diisocyanate and an acid-free water-free organic polyol having end groups containing activating radicals selected from OH, S, O and N valence bonded to a carbon atom alpha or beta to a carbon atom carrying a primary or secondary isocyanate-reactive hydroxyl group comprises reacting the reagents in the presence of a catalytic amount of a soluble salt of an organic acid of a metal selected from PbII, HgII, SnII, BiIII and SbIII, the reaction being initiable at room temperature. The polyisocyanates may be moderately hindered diisocyanates, for example tolylene diisocyanate isomers, unhindered diisocyanates such as 4,41-biphenylene diisocyanate, or strongly sterically hindered diisocyanates such as 3,31-dimethoxy-4,41-biphenylene diisocyanate and durene diisocyanate. Suitable polyols are ethylene, propylene and 1,2-, 2,3- and 1,3-butylene glycols, polyalkylene ether glycols, polyesters and cellulose.  A small amount of a triol or of a triisocyanate can be included in the reaction mixture to bring about cross-linking.  Lead naphthenate, lead tallate, lead 2-ethyl-hexoate, bismuth naphthenate, antimony octoate, mercury naphthenate, stannous octoate and stannous oleate are specified catalysts.  In a typical Example, (4) solid polymers are prepared at room temperature from mixtures of 3,31-dimethyldiphenylmethane - 4,41 - diisocyanate and polypropylene glycol (containing some trimethylol propane, the catalysts used being lead, tin and bismuth octoates, mercury and bismuth naphthenates (and, in comparison experiments, cobalt, magnesium and ferric octoates).  In Example (1) a table is given which shows the rise in temperature which results on mixing a toluene diisocyanate/trimethylolpropane adduct with the monohydric alcohols C2H5OC2H4OH, C4H9OH and C2H5SC2H4OH, in the presence of the catalysts specified in Example (4).  Graphs are given with Example (2), on which rise of temperature is plotted against time, results (using the same catalysts) on reacting a diisocyanate with 2,3-butylene glycol, 2,2-dimethylpropylene glycol, 4-hydroxy 2-butanone, a -hydroxy-acetophenone, glycol monoethyl ether, ethyl thioethanol, dimethylaminoethanol and ethylene glycol.
Patent GB-214162-A (GB)
Title: Apparatus for raising liquid fuel
IPC: F02B1/00
Filed: 1923-09-27
Abstract: 214,162. Sokal, S., (Norddeutsche K³hlerfabrik .4kt.-Ges.). Sept. 27, 1923. Direct gas-pressure apparatus, automatic; vacuum apparatus; valves for pressure fluid, actuation and arrangement of.-Combined singlechamber, automatic gas-pressure and vacuum apparatus for raising liquid fuel to supply a carburettor, consists of a chamber 1 connected by a gravity-actuated valve to the carburettor, and by a pipe 2 to a supply tank 3 which pipe supplies the chamber 1 and has a flap valve 18 to supply pressure gases to the tank. The gases from the exhaust manifold enter a duct 4, pass through gauze pipes 14, 15 and a reducing-valve 8 to a storage chamber 16, and, when the valve 11 is down and the float up, past valves 10, 11 to the tank. When the float sinks, the valve 11 is raised by tappet and spring toggle-lever mechanism to close the entrance from chamber 16 and connect the tank to the chamber 1 which is then recharged with fuel owing to the pressure in the tank. The partial vacuum of the engine intake manifold connected to a pipe 5 may assist in the charging, the combined sleeve and lift valve 13, 12 being in the position shown. The float 7 in its final upward movement reverses the valves 11, 12, 13, and cuts off and breaks the vacuum in chamber 1 when the valve 32 opens. Accumulation of fuel in chamber 16 is discharged by pressure on the opening of a hand or pressureoperated relief valve 9.
Patent GB-241482-A (GB)
Abstract: 241,482. Hopkins, B. D. May 18, 1925. Grates.-In a barless grate of the type comprising a rear solid part C and a grated front part G, both parts are provided with means for temporarily connecting them, the front part having means, such as the supports J, on the hearth and the space beneath it being closed by a plate L provided with an air-regulator N. In the construction shown, the means for connecting the parts C, G comprise one or more lugs I on the front part which engage a groove or series of depressions E near the front edge of the back part C. The top surface C<1> of the back part is preferably hollowed as shown, and is formed at the front with a recess D in which the rear part of the front grating rests.
Patent GB-1288433-A (GB)
IPC: B07C5/04
Filed: 1970-05-19
Abstract: 1288433 Sorting fasteners J M REICH 19 May 1970 [12 June 1969] 24164/70 Heading G1M Nails 1 hanging vertically move down a sloping guideway 2 and are engaged by a series of grooves formed in a rotating cylinder 3 which rotates about an axis inclined to the vertical Fig. 2 (not shown). The nails are held in the grooves initially by a further rotatable wheel 5 mounted on the end of a lever 6 and urged by a spring 9 towards wheel 3. As they leave the vicinity of wheel 5 each nail is attracted to and held in its groove on wheel 3 by an electro-magnet 23 stationary within the wheel 3. Alternatively a series of permanent magnets may be provided. The nails pass a gauging vane 35 Fig. 3 (not shown) pivoted at 33 and any nail which is oversize or bent contacts the vane 35 and causes switch 41 to be actuated. Actuation of switch 41 causes a jet of air from nozzle 30 to blow the appropriate nail out of its groove to eject it. Nails not ejected are stripped from wheel 3 by anvil 43 and pass down a guideway 29. The vane 35 may be replaced by an optical sensing device which senses by means of light beams whether a nail is straight and of the correct length.
Patent GB-941356-A (GB)
Title: Revertive signalling device for teleprinters
IPC: H01F27/02
Filed: 1962-06-22
Abstract: 941,356. Telegraphy. CREED & CO. Ltd. June 22, 1962 [June 27, 1961], No. 24171/62. Heading H4P. In the absence of the recording medium at a receiving teleprinter means is provided for indicating that absence to the transmitter. In a first embodiment, the calling procedure includes the transmission of a " who are you? " signal. The receiver normally responds by identifying itself to the transmitter, but if the recording medium is absent the answer-back transmitter is taken out of circuit and replaced by a transmitter which sends to the calling teleprinter a signal indicative of the fault. However, the fault may occur during normal transmission so to confirm that the message has been received correctly the transmitter sends the " who are you? " signal at the end of the message. If a fault has developed the transmitter is informed in the same manner as indicated above. In a second embodiment no WRU signal is transmitted, but the answer-back transmitter is energized upon coincidence of the commencement of a message and the detection of the absence of the recording medium to send a signal which stops the message transmitter.
Patent GB-204719-A (GB)
Title: Improvements in automatic telephony
IPC: H04Q3/42
Filed: 1923-09-28
Abstract: 204,719. Anspach, P. A. L. Sept. 30, 1922, [Convention date]. Spark-gap apparatus.-In an automatic exchange telephone system in which connections are set up by a spark discharge, the spark gap 63 comprises two sets of terminals individual to two sets of lines and two conductors 69<1> normally connected by the armature of relay o. A relay 91 in the discharge circuit causes the relay o to disconnect the conductors 69<1>, thus increasing the sparking distance so as to prevent interference from other connections.
Patent GB-287404-A (GB)
Title: A new or improved household utensil
IPC: A47L13/58
Filed: 1927-09-15
Abstract: 287,404. Wright, R. W. Sept. 15, 1927. Buckets and pails ; partitions ; spouts. -A container for clean and dirty washing water, suitable for use with a mop-cleaning device, is so partitioned that the upper left - hand clean water compartment formed by the partitions 2, 3 partly overlaps the other. The mouth portion or spout 5 of the dirty-water compartment is of tapered form and a hinged or other perforated cover-plate 6 may be provided therefor. An inclined depending shield may be provided within the mouth 5 to facilitate wringing out a mop.
Patent GB-584164-A (GB)
Title: Improvements relating to brushes
IPC: A46B13/00
Filed: 1944-12-05
Abstract: 584,164. Rotary brushes. PRESTWARE, Ltd., SALTER, E., and FREEMAN, P. Dec. 5, 1944, No. 24308. [Class 19] A rotary brush is made from circular elements 1, 8 and 11, the diameter of which decreases from the centre to the ends of the brush, having mating faces each formed with a number of semicylindrical cavities 2 extending inwards to form bristle sockets when the elements are brought into contact. Each cavity has a transverse rib 3, which engages the bristle tuft 4, and each inner element 1 has a shoulder 7 on its outer face which mates with the next element 8, the inner face of which has the same outer diameter as the shoulder 7. These faces, too, are formed with bristle sockets. The intermediate elements 8 are also shouldered on their outer faces 10 and these mate with the inner faces of the outermost elements 11 ; bristle sockets are formed around this junction also. The elements are secured together by axial bolts, and the whole is mounted on a shaft 16 with which flanges on the elements 11 contact. The bristle sockets may be formed as continuous channels in which the bristles are wired or anchored by fabric strips.
Patent GB-1577601-A (GB)
Title: Locking arrangement for doors and the like
IPC: E05B63/14
Filed: 1977-06-10
Abstract: Locking rods (14a, 17) of the locking device having a cylinder lock can be advanced and retracted by means of a key. These locking rods are connected to the mechanism (8) of the cylinder lock via curved connection pieces (12) and a first toothed disk (9). A second toothed disk (10), which is also connected to this mechanism, rotates together with the first on a common shaft (11), until the locking rods are retracted completely. Only the second disk (10) can then still be rotated further by the key. The bolt (28) is thereby retracted via a lever (34). This bolt can also be displaced via a connection piece (41) by means of the pawl (3). By reason of this locking device, the door can be opened from inside either by means of the pawl (3) or by actuation of the cylinder lock when the cylinder lock is in the open position. <IMAGE>
Patent GB-1105927-A (GB)
Title: Diagnostic composition
IPC: C12Q1/62
Filed: 1965-06-09
Abstract: A diagnostic composition for detecting a specific substance in the presence of an interfering reducing substance comprises (a) an enzyme which oxidises said specific substance with peroxide formation, (b) an indicator changing colour in the presence of peroxide, (c) a peroxidative substance and (d) an ionizable heavy metal compound having an oxidation-reduction potential between that of the indicator and the interfering substance.  Specified enzymes for use in compositions for detecting substances lysed thereby in the presence of ascorbic acid are: glucose oxidase and oxidases for L- and D-aminoacids, hypoxanthine, xanthine, glycine, monoamines, diamines, D-aspartic acid and lactic acid; uricase, luciferase and (for aliphatic or aromatic aldehydes) mammalian liver aldehyde oxidase. Specified indicators are: m-toluidine, o-tolidine guaiacol and 2:7-diaminofluorine.  Specified peroxidative substances are: peroxidase, hemin, red blood cells, and sodium molybdate/potassium iodide.  Specified heavy metals are those of periodic groups IB (Cu, Ag, Au), IIB (Cd, Hg), IVA (Sn, Pb) and VIII (Fe, Co, Ni, Pd, Pt), suitable compounds being CuCl2, AgNo3, HgCl2, Hg(NO)3)2, Hg(acetate)2, SnCl4, FeCl3, Fe2 (oxalate)3, Co(acetate)3, Pdcl2, PtCl6: when Fe\sW\sW\sW salts are used, chelating agents such as a ,a -di-pyridyl and phenolphthalein may be added.  The compositions may be in powder form, solution, tablet or pellet, may be deposited from a slurry on a non-porous substance such as glass or metal, or impregnated in wood, paper, cloth or porous plastics material. Preferably paper is first impregnated with a composition comprising (a), (b) and (c), dried and coated with a composition comprising (d). The latter may contain thickening agents (algin, polyvinyl alcohol, starch, gum arabic, polyethylene glycol), wetting agents (sodium lauryl sulphate, polyoxyethylene substituted sorbitan monooleate, polyoxyethylene fatty/resin acid esters or polyvinyl pyrrolidone/polyvinyl acetate mixture, sodium salts of phosphate esters, background dyes, buffers (sodium acetate and citrate, oxalate, salicylate, malate) preferably to give a pH above 3, and solvents (ethanol, benzene, dimethylsulphoxide, chloroform, carbon tetrachloride, cyclohexane and mixtures).  The impregnating composition may contain a background dye (FD and C soluble Red No. 3) and gelatine.  As an interfering substance ampyrone is referred to in connection with testing glucose in urine, as well as ascorbic acid.
Patent GB-1000109-A (GB)
Title: Improvements in or relating to light metal pistons
Inventor: LAW DOUGLAS ALEXANDER
IPC: F16J9/22
Filed: 1963-06-19
Abstract: 1,000,109. Pistons. WELLWORTHY Ltd. June 19, 1964 [June 19, 1963; July 18, 1963], Nos. 24405/63 and 28452/63. Heading F2T. [Also in Division B3] In a light metal piston 1 a wear ring 7 has its inner peripheral portion located in a recess 3 in the bottom 4 of a piston ring groove 2 and is secured in position by having a portion of the piston formed, e.g. rolled, over the outer periphery 10 of the ring. The ring 7 is an inwardly springing split steel ring and a ring may be fitted at each side of the groove.
Patent GB-441150-A (GB)
Title: Improvements in or relating to electrical networks for attenuation correction
IPC: H04B3/14
Filed: 1934-08-24
Abstract: 441,150. Impedance networks. WILSON, J. C., and BAIRD TELEVISION, Ltd., 58, Victoria Street, Westminster. Aug. 24, 1934, No. 24425. [Class 40 (iii)] In a network of the constant - resistance type, whose series and shunt arms include elements which are inverse to one another, corresponding elements are varied simultaneously by coupled control so that the product of their impedances is constant. Thus a network for relatively attenuating low frequencies comprises the elements shown, which are such that R11.R21= L21 /C11 1 = Z1.Z2 = R<2>, the arm Z1 being shunted by the iterative impedance R, which is a pure resistance ; and one or both of the pairs of inverse elements R11, R21 and L21, C11 is or are provided with unitary controls for ensuring constancy of the impedance product. Thus the resistances may comprise logarithmically designed rheostats having metallic windings or graphite deposits with coupled sliding contacts, and the inductance and capacity may have coupled tapping contacts.
Patent GB-383338-A (GB)
Title: Method for increasing the efficiency of gas purifying plants working with gas purifying mass
IPC: C10K1/20
Filed: 1931-08-31
Abstract: 383,338. Gas-purifying processes. LENZE, F. and RETTENMAIER, A., 159A, Duisberger Strasse, Hamborn, Duisburg, Germany. Aug. 31, 1931, No. 24428. [Class 55 (ii).] Gas from coking plant is desulphurized by passage over metallic oxides, e.g. iron oxides or bog iron ore at below 100‹ C., e.g. at 0‹ C. and preferably at 35-50‹ C., the oxide being charged dry into the purifier and regenerated by free oxygen in the gas current, which is dry or not saturated with moisture. The heat of compression, e.g. to 2-5 or 10 atmospheres for long distance transmission may be utilized to raise it to a suitable temperature, or the purifiers may be heated. In order to prevent the formation of cracks in the oxide at least the edges are compressed. Sulphur is melted out at intervals from the mass, which is re-used. Specification 185,780, [Class 55 (ii), Gas manufacture &c.], is referred to.