baber/WOPTO huggingface dataset:
Patent GB-226366-A (GB)
Title: Improvements in and relating to hygrometers, hygroscopes and the like
IPC: G01N31/22
Filed: 1923-12-21
Abstract: 226,366. Atkinson, L. B. Dec. 21, 1923. Hygrometric apparatus.-A piece of porous material is saturated with a solution of salt, such as cobalt chloride, the colour of which depends on the humidity of the air, and the colour of the material is matched against a colour scale with which is associated a scale, of percentage humidities. In the form shown in Figs. 1, 2 and 4 the strip d of material is arranged' behind an aperture b in a card &c. a and the graded colour scale c is arranged adjacent the. edge of the aperture. The colours along the scale correspond to those assumed by the strip d at definite percentage humidities denoted on a scale e. To facilitate matching, a slotted cursor may be arranged to slide along the strip d and colour scale c. The card a may be enclosed in a metal sheath h, a layer i of waterproof material and a packing strip k being interposed between the strip d and the sheath. In the form shown in Fig. 6 the scale, c consists of a number of areas, each uniformly tinted and each having an aperture b<1> through which the sensitive strip is observed. The. number of such areas may be reduced to one when it is only desired to indicate a definite humidity. The device is particularly intended'to be used in incubators.
Patent GB-1369128-A (GB)
Title: Process for producing oligomers from unsaturated monomers
IPC: C07C2/04
Filed: 1972-07-10
Abstract: 1369128 Methyl 4 - phenylpent - (2 or 3)- enoate MITSUBISHI CHEMICAL INDUSTRIES Ltd 10 July 1972 32146/72 Heading C2C [Also in Division C5] Chain oligomers, especially dimers and trimers are formed by reacting a vinyl or vinylidene compound of formula wherein R<SP>1</SP> = H or C 1 -C 4  alkyl, Ar = naphthyl or phenyl which may be unsubstituted or substituted with one or more of the following groups alkyl, aryl, alkenyl, alkoxy, alkoxy-carbonyl, acyloxy or halogen, either alone or in the presence of an α-monoolefin or derivative thereof: CH 2  = CHR<SP>11</SP>R<SP>111</SP> wherein R<SP>11</SP> = H or C 1 -C 4  alkyl, R<SP>111</SP> = H, C 1 -C 4  alkyl or substituted or unsubstituted aryl group in the presence of a cationic Pd complex prepared by reacting (1) a Pd compound, (ii) a compound containing a fluoro complex anion or perchlorate anion and (iii) a trivalent organic P compound. Exemplified is the production of and by reacting styrene and methyl acrylate in the presence of a catalyst made by reacting #- methallyl Pd chloride, (nBu) 3 P and AgBF 4 .
Patent GB-763551-A (GB)
Title: Improvements in or relating to circuit arrangements for automatically regulating thetemperature of electric ovens
IPC: G05D23/24
Filed: 1954-11-05
Abstract: 763,551. Automatic temperature control systems. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Nov. 5, 1954 [Nov. 9, 1953], No. 32156/54. Class 38 (4). In an automatic temperature control system for an electric oven, a heating element having a high temperature coefficient of resistance has its energy supply controlled in accordance with the difference between voltages representing the heater current and voltage. The heater 3 is energized in series with a resistor 4 over a transformer 2, and signal voltages representing the heater current and P.D., derived from a transformer 5 and a potentiometer 6 respectively, are opposed in the grid circuit of an amplifier tube 8. In operation, with the oven temperature below a datum value set on potentiometer 6, the net signal voltage in phase with the A.C. anode supply for tube 8 is sufficient to maintain the tube conducting; and a relay winding 9 in the anode circuit is thus energized to close its contact 10, thereby energizing a polarized relay 11 which closes its contact 12 to short-circuit the series resistor 4. As the datum temperature is reached, the tube 8 is cut off by the fall in-net grid voltage and the resistor 4 is put in circuit to reduce the power supply to the heater. In a modification, Fig. 2 (not shown), the resistor 4 is divided between the primary and secondary circuits of transformer 2, and a tapping on the secondary allows adjustment for a wide range of operating temperatures. In a further modification, a booster winding for the transformer primary replaces the series resistors.
Patent GB-321640-A (GB)
Abstract: 321,640. Curtis Duramin Industries, Ltd., (formerly Curtis Automobile Co., Ltd.), and Oglethorpe, E. L. Aug. 7, 1028. Springs, arrangement of. -The front wheels of a motor vehicle rotate and swivel on members 16<b> connected to the frame by upper and lower springs 14, 15 arranged in V-formation, the inner ends of the springs being secured to the frame and their outer ends being pivoted to the members 16<b>. The rear wheels are connected to the frame by springs 9 and radius rods 7 pivoted to the frame at 8.
Patent GB-912845-A (GB)
Title: Improvements in or relating to suspension of traction motors
IPC: F16F3/087
Filed: 1960-09-19
Abstract: 912,845. Mounting electric motors. SIEMENS-SCHUCKERTWERKE A.G. Sept. 19, 1960 [July 1, 1960], No. 32167/69. Class 79(3). A traction motor 1 of an electric vehicle is resiliently. mounted partly on the driving axle or oh a hollow shaft surrounding the axle with clearance therebetween and partly on a bogie or chassis frame 2 by means of vertically disposed shear-type rubber metal sandwich mountings 6, 7 in addition to which are rubber/metal spring units 14 arranged to be loaded in combined shear and compression applying opposed vertical forces to the motor to minimise vertical deflections of the motor. An extension 12 is provided on the motor casing 3 against which bear the vertical pushrods 19 of the pair of spring units 14 which are mounted in housings 15 bolted to brackets 13 and the bogie frame 2. The spring units contain sleeve-like rubber elements 17 formed with generally conical ends , so that they are loaded in combined shear and compression between the inside of the housing and the pushrod when the motor moves vertically. The ends 16 of the housing are adjustable to alter the preload on the spring unit and cylindrical pushrod extensions 20 limit the deflection of the rubber. In an alternative (Figs. 3 and 4, not shown) the pair of housings is provided on the motor casing and a pair of abutments is provided on the bogie or vehicle frame.
Patent GB-486011-A (GB)
Title: Improvements in or relating to overhead conductors for electric vehicles
IPC: B60M1/14
Filed: 1936-11-24
Abstract: 486,011. Overhead conductors for electric vehicles. STEVENS, A. H. (Holden, Inc., R. R.) Nov. 24, 1936, No. 32169. [Class 104 (iii)] In a double - conductor trolly system comprising main conductors, branch conductors, and switches for guiding the current collectors, means are provided for directing the collectors along the conductors in the direction of travel of the vehicle. For this purpose the switch, Figs. 4, 5, may comprise a main runner 16, branch runners 17, 18, and a movable member 19 adapted to guide the collector from 16 to either 17 or 18. The member 19 can pivot about the vertical axis 20 and about the horizontal axis 23, and near its free end carries a vertical pin 26 and a horizontal pin 27. The pin 27 engages a fixed slot 28 having a vertical portion and an inclined portion, and the pin 27 is adapted to be lifted into a slot 32 in a rotatable disc 31 when the collector raises the switch 19. The discs 31 of the two switches are connected by a pivoted insulated rod 37 so that when one disc is moved clockwise, the other is moved counterclockwise. If the vehicle is running straight ahead, both collectors engage their respective members at the same time and both discs are locked so that the pins 27 only travel through the vertical parts of the slots and the members 19 remain in their normal or straight-ahead position. If however the vehicle is being steered to one side, the outer collector first engages and moves its member 19 which is then returned to normal position before the inner collector follows to engage and move its member. The discs 31 and members 19 are returned to normal position by a spring-pressed cam 35 engaging a groove 34 in the upper part of each disc. In order to allow a slight deviation of the vehicle without throwing the points, each disc has a second notch 42, Fig. 7, engaged by a lug 43 on a rock shaft 47 carrying plates 44, 45 in advance of and behind the member 19. The plates 44, 45 are engaged and thrown by the rims of the collectors. In a further modification, Fig. 13, pivoted rails 56 engaged by the collectors rock a centrally pivoted member 50 connecting the main runner 16 with either of the branch runners 17, 18, modified cams, slots, and pins being provided to ensure through or branch running as in the previous arrangement. The pointed end of member 50 normally lies midway between the runners 17, 18 so .that a vehicle when reversing will engage this .pointed end and correctly position the points. The arrangements described may also be applied to the movable centre-piece of crossings.
Patent GB-655600-A (GB)
Title: A carbon pack for use with continuous stationery packs
IPC: B41J17/00
Filed: 1947-09-17
Abstract: 655,600. Carbon papers. LANSDOWN, G. C. Sept. 17, 1947, No. 32269/49. Divided out of 655,559. [Class 16] For use with stationery packs comprising a plurality of superimposed webs 2, each consisting of a continuous series of forms separated by lines of perforations 3 and each having one or more holes 4 for facilitating correct registering of the top and carbon copies, a carbon pack comprises three carbon sheets 15 and a paper backing sheet 16, each slightly shorter than the length of a form, bound together at each side by stitching 17 and reinforced with adhesive material 18. The advance corners are cut away or rounded, and reinforced as at 19. The advancing edge of each sheet 15 may also be reinforced. The backing sheet 16 has a rough outside finish for gripping a typewriter platen, and a smooth inside finish to enable the pack to be readily slidden along the webs. Specification 655,559, [Group XVI], is referred to.
Patent GB-1102536-A (GB)
Title: Reaction products of polyepoxides and amino-containing polysulphide polymers
IPC: C08G75/14
Filed: 1965-06-03
Abstract: Polyepoxides are cured using polysulphide polymers containing amino groups.  Examples of suitable polymers are disclosed in U.S.A. Specifications 2,606,173 and 2,466,963 and in particular in Specification 1,102535.  The poly-epoxide may be mixed with the amino-containing polysulphide polymer in a weight ratio of 1:5 to 5:1 and may be cured by heating at 20-150 DEG  C., e.g. for at least 15 minutes.
Patent GB-521246-A (GB)
Title: Improvements in and relating to the production and control of electron streams
IPC: H01J3/02
Filed: 1938-11-09
Abstract: 521,246. Cathode-ray tubes. HARRIES, J. H. O. Nov. 9, 1938, No. 32465. [Class 39 (i)] To form a heavy current beam in a deflection valve the helical cathode c is mounted close to a grid NG and is enclosed by a negatively biassed concentrating electrode S, which has a toothed extension t entering between the wires of the grid. The grid NG is also at negative potential and forms a screen for the wires of the accelerator grid PG; the wires of these grids are attached to the sides of the frames n so that the two grids may be placed very close together, the cathode entering within the frame of the grid NG but separated therefrom by the teeth t. In a modification the negative grid NG is dispensed with. The electrode S has ribs s to which support wires are attached. This assembly may be used in the beam valve as described in Specification 521,199. Specification 380,429 also is referred to.
Patent GB-866373-A (GB)
Title: Improvements in or relating to the casting of metals
Inventor: DUESBURY WILLIAM HENRY
IPC: B22C7/02
Filed: 1958-10-10
Abstract: An expendable pattern for use in casting a metal article is formed by making a die in at least two parts from an aqueous sodium silicate solution and a powder insoluble therein around a non-expendable pattern of an article, hardening the die parts, removing the non-expendable pattern prior to or after such hardening, reassembling the die parts, and introducing therein an expendable pattern material such as wax.  In one example 112 lbs. of silica sand and 12,5 lbs. of zircon powder are mixed with 10,5 lbs. of aqueous sodium silicate having a specific gravity of 1,56 and the product hand-rammed around a wooden non-expendable pattern and hardened by carbon dioxide.  The wooden pattern is then removed, the die parts are heated to between 100-250 DEG C., reassembled, and wax injected thereinto.  A metal powder such as copper or iron may be used as the insoluble powder instead of a refractory one, cores or inserts, e.g. of refractory material may be located in the die prior to the wax injection, and the hardening process may involve the use of hydrochloric acid, sulphur dioxide, or a water miscible solvent.
Patent GB-604728-A (GB)
Title: Improvements in helicopters
IPC: B64C27/82
Filed: 1945-12-03
Abstract: 604,728. Controlling helicopters. CIERVA AUTOGIRO CO., Ltd., and PULLIN, C. G. Dec. 3, 1945, No. 32599. [Class 4] [Also in Group XXVII] In a helicopter having a hubdriven lifting rotor whose torque reaction is compensated by means producing a yawing thrust moment and absorbing part of the power output of the engine driving the rotor (e.g. a tail airscrew or jet), the control circuit operative on means for varying the yawing thrust moment is connected with the means controlling the enginepower output so that the total engine-power output is increased on application of the yawing control to yaw the helicopter against the rotor torque reaction and decreased on application of the control in the opposite sense. As shown, a sprocket 8 controlling the pitch of an engine-driven fan supplying a transverse tail jet is rotatable by a pulley and cable system comprising cables 4, 5 coupled to the rudder pedals 6, 7. The throttle valve 15 is operated by a hand lever 16 through rods 17, 18 connected together by a sleeve 19 having internal left- and right-hand threads engaging corresponding male threads 20, 21 on the rods. The sleeve 19 is secured to a lever 22 constituting the follower of a cam 23 operated by the cable 4 which passes over jockey pulleys 25 and a pulley 24 on the cam-shaft.
Patent GB-738841-A (GB)
Title: Improvements in or relating to the manufacture of containers
Filed: 1952-12-23
Abstract: 738,841. Portable containers. ROBINSON, F.G. Oct. 14, 1953 [Dec. 23, 1952], No. 32630/52. Class 66. A container has a polygonal, tubular cardboard, &c. body with at least one seamed-on metal end the edge of the body being reinforced to produce a projection round which the end rim 4 is secured. The body edge may be turned over as at 3 before or after formation of the tube, or a separate strip may be secured to the edge. The corners of the end forming blank are cut away to facilitate seaming. The seam may secure an inner paper sheet or strip to indicate tampering with the contents. The end may incorporate a pouring spout.
Patent GB-1324252-A (GB)
Title: Tracer projectiles
IPC: F42B14/06
Filed: 1970-07-06
Abstract: 1324252 Alloys PACIFIC TECHNICA CORP 6 July 1970 [23 Sept 1969] 32644/70 Heading C7A [Also in Division F3] A composition which is applied to the external surface of a projectile and is ignited by aerodynamic heating as the projectile passes through the air comprises:-  (a) sintered depleted uranium, or; (b) a sintered composition of depleted uranium with nickel powder, or, aluminium powder, or polyletrafluoroethylene and UAl 3 , or; (c) magnesium alloyed with aluminium and zinc, or zirconium, or zirconium and thorium.
Patent GB-753201-A (GB)
Title: Drawbar-apparatus
IPC: B62D49/08
Filed: 1954-11-11
Abstract: 753,201. Drawgear. PALM, G. H. Nov. 11, 1954 [Feb. 18, 1954], No. 32745/54. Class 103 (5). To plates 2 secured to a tractor in front of the axle 8 is pivoted on pins 3 a block 4 rotatably accommodating the end 7 of a hollow sleeve 6. The bar 9 is non-rotatably held in sleeve 6 by the hand-operated catch 11 and is pivoted at 22 between arcuate shaped plates 21 so as to allow horizontal swinging of the trailer.
Patent GB-1471553-A (GB)
Title: Assembly of valve cotters
IPC: B23P19/04
Filed: 1975-10-24
Abstract: 1471553 Attaching collets to valves BRITISH LEYLAND UK Ltd 24 Oct 1975 [24 July 1974] 32789/74 Heading B4C A tool for assembling split collets on valves comprises a face 18 which engages and depresses the valve spring cup and a bore extending therefrom to receive collets, two resiliently loaded fingers 19 which engage collets and hold them in said bore and a plunger 36 which forces the collets past the fingers and on to the valve stem. A central stem 29 is provided inside the bore having a head 34 to guide the collets internally to the valve stem. The apparatus may be pneumatically or otherwise suitably powered.
Patent GB-717660-A (GB)
Title: Improvements relating to electricity meters
IPC: G01R11/10
Filed: 1952-12-29
Abstract: 717,660. Eddy current brakes. FERRANTI METERS, Ltd., D., and WRIGHT, L C. Nov. 27, 1953 [Dec. 29, 1952], No. 32824/52. Class 35 A meter disc braking arrangement comprises two braking units each of which includes a yoke and two permanent magnets mounted side-by-side, but spaced from each other, on one side of the yoke. Fig. 1 shows a meter disc 1 having a top unit with a yoke 3 carrying two permanent magnets 5, and a bottom unit having a yoke 4 and permanent magnets 6. The two magnets in each unit are so located and spaced from each other as to have two free poles of opposite polarity. In a modification, a pair of soft iron pole-pieces 9 are mounted on the sides of each of the yokes opposite to those of the magnets and they are separated from the yokes by non-ferrous spacers 10.. A screw 11 forms a variable magnetic bridge between each pair of the pole-pieces 9 so as to alter the reluctance of the return path of the magnetic flux. The braking of a twin-disc meter may be effected by providing one such braking unit for each disc. Specification 690,923 is referred to.
Patent GB-1134463-A (GB)
Title: Improvements in or relating to crystallizers
IPC: B01D9/00
Filed: 1967-07-18
Abstract: 1,134,463. N - Acetyl - p - aminobenzenesulphonyl chloride. SHIONOGI & CO. Ltd. 18 July, 1967 [23 July, 1966], No. 32880/67. Heading C2C. [Also in Division B1] N - Acetyl - p - aminobenzenesulphonyl chloride, prepared by the interaction of acetanilide and chlorosulphonic acid, is precipitated in large crystal form by rapidly admixing the reaction product mixture with water in the upper part of a water-cooled tower and rapidly passing the mixture down through the tower at a temperature of up to 40 C. The tower has a rotary shaft 15 carrying three agitators 16, 17 and 17<SP>1</SP> separated by two series of baffle plates 18 having apertures 19. The upper agitator (which has six arms) has greater agitating power than the lower agitators (which each have three arms) and is situated just below the upper surface of the liquid in the tower which is maintained at a constant level by means of a vented overflow 9. Crystal slurry passes out through outlet 8.
Patent GB-213633-A (GB)
Title: Improvements in appliances for tensioning or tightening seat webbing and the like
IPC: B68G15/00
Filed: 1922-12-02
Abstract: 213,633. French, G. F. Dec. 2, 1922. Band. strainers.-A tool for straining seat webbing comprises a frame-like lever a having a relatively-fixed gripping block c at one end and a cross-bar d slidably mounted on the lever, the bar serving to grip the webbing against the block c. The separate block c may be dispensed with by bending the free ends of the lever a at right-angles so as to meet. In operation the webbing is passed over the bar d, between the bar and the block c or its equivalent, and then over the latter, as shown in Fig. 5, the lever being then rocked with its end bearing against the seat so as to stretch the webbing. A gripping arrangement c, d may be arranged at both ends of the lever a if desired.
Patent GB-1071388-A (GB)
Title: Improvements in electrolytic machining method
IPC: B23H3/00
Filed: 1964-08-13
Abstract: A method of electrolytic machining for the repeated production of a given article (e.g. a turbine blade) using the same electrolytic machining apparatus and electrolyte of substantially constant temperature, concentration, pressure, velocity and conductivity under a variety of tool feed rates and operating gaps between a given tool and a given workpiece material is by establishing a series of equilibrium gaps (G) and associated feed rates (F) for at least four different machining voltages (E); and then using these values to determine the constants K1, K2, K3, K4 in the following equation E = K1 + K2FG + K3F3G + K4 logn F, whereby to establish a family of operating conditions, selecting one of said family suitable for the production of the given article, and electrolytically machining in accordance with the selected conditions.  In determining the relationship between voltage, tool feed rate and gap, a tool with a flat end face was advanced towards a metallic sheet while electrolyte was made to flow between them in turbulent flow to aid in removal of any sludge or passivating films.  Voltage, tool feed rate and initial gap were selected at random and the electrical current observed. There was an immediate change in current as the tool advanced if the gap was not in equilibrium.  To find the equilibrium gap the gap was adjusted until the current remained steady.  This was repeated at least four times using different values of E and F, and the constants K1 to 4 calculated. Aqueous electrolytes of NaCl or NaNO3, an electrolyte temperature variation maintained within 1% variation and workpieces of alloy based on Fe, Co or Ni are specified.  An electrolyte may be first aged to minimize variation in conductivity with use.  Examples are of electrolytically machining 1) an alloy composed by weight o 19% Cr, 11% Co, 10% Mo, 3% Ti, 1.5% Al, 3% Fe, 0.17% C, trace B with the balance Ni using an aqueous NaCl electrolyte and 2) an alloy composed by weight of 15% Cr, 26% Ni, 2% Ti, 1.35% Mn, 0.50% Si, 1.25% Mo, 0.3% V, 0.25% Al, 0.08% C with the balance Fe using a NaNo3 electrolyte.
Patent GB-1334315-A (GB)
Title: Thiophosphoric acid esters and their use as fungicides and bactericides
IPC: C07F9/177
Filed: 1972-07-14
Abstract: 1334315 Thiophosphoric acid esters BAYER AG 14 July 1972 [16 July 1971] 33097/72 Heading C2P Novel compounds of the general formula wherein n is 1 or 2 are obtained by reacting a cyanophenol:  in the presence of an acid binding agent, or in the form of a metal salt thereof, with an ester chloride of formula The reaction is preferably effected in an inert solvent or diluent (including water). The products have fungicidal and bactericidal properties and may be used as active ingredients in pesticidal compositions of conventional type. They may be mixed with other agricultural chemicals, e.g. insecticides, acaricides, nematocides, antiviral agents, herbicides, plant growth regulators, attractants, antibiotics and fertilizers, various broad classes of some of such additional chemicals being specified.