baber/WOPTO huggingface dataset:
Patent GB-647492-A (GB)
Title: Individual multilayer fibrous resin-bearing article
IPC: B32B27/00
Filed: 1947-07-31
Abstract: 647,492. Moulding plates, trays, cups, &c. from fibrous resin-bearing material. KEYES FIBRE CO. July 31, 1947, No. 20748. Convention date, May 14, 1941. [Class 87 (ii)] [Also in Groups VIII and XVII] A dish-shaped article is made by first forming a body layer 11 from an aqueous pulp mixture containing fibre and a water-insoluble uncured 'thermosetting resin, then forming a surface layer 10 from an aqueous fibre pulp, drying it, impregnating it with an uncured thermosetting resin dissolved in a solvent, drying the layer, superimposing the layers 10, 11, and moulding under heat and pressure between dies 14, 15. The layers are formed by applying suction to a foraminous die immersed in the pulp. Two surface layers may be used, one on each side of the body layer. For thick sections, several body layers may be used and a thin layer rich in resin may be arranged between several body layers. The surface layers contain more resin than the body layers. The resins used may be urea or phenol formaldehyde. The die 15 may be provided with an. embossing surface. U.S.A. Specification 2,274,095 is referred to. The Specification as open to inspection under Sect. 91 states that a thermoplastic resin may be used instead of a thermosetting resin in the body and surface layers. This subject-matter does not appear in the Specification as accepted.
Patent GB-335297-A (GB)
Title: Manufacture of new sulphurised dyestuffs
IPC: C09B49/06
Filed: 1929-07-06
Abstract: 335,297. Ellis, G. B., (Chemical Works, formerly Sandoz). July 6, 1929. Sulphuretted dyes giving brownish-red, red, reddish-violet, and violet shades are obtained by heating hydroxylated azines or their derivatives with alkali polysulphides in the presence of molybdenum or molybdenum compounds. By the use of molybdenum clearer and redder dyes are obtained than when the sulphurization is effected in the presence of other metals and the products are also fast to storing. Suitable molybdenum compounds mentioned are Molybdic acid, alkaliof ammonium molybdates, and phosphomolybdic acid, and the process may be carried out under pressure or in the presence of the usual fusing agents such as glycerine or alcohol. Examples illustrate the production of sulphur dyestuffs from aminooxyphenazine, aminooxytolazine, aminooxytolazine carboxylic acid, dichloraminooxytola,zine and ethosafraninone. Specifications 14543/05 and 17749/07 are referred to.
Patent GB-1531694-A (GB)
Title: Digital data checking and correcting systems
IPC: G06F12/16
Filed: 1977-05-18
Abstract: 1531694 Data checking and correcting systems INTERNATIONAL BUSINESS MACHINES CORP 18 May 1977 [15 July 1976] 20891/77 Heading G4A In a digital data checking and correcting system operating on input signal groups comprising data symbols and 2N checking remainder polynomial symbols (N being the maximum number of correctable errors), a first processing unit generates 2N error syndromes from a received signal group using the generator polynomial for the code to correct a first error or first and second errors, a second processing unit generates (from the error syndromes) an error correction polynomial for each error above the second, if any, reduces the error correction polynomial(s) to affine form, derives the root(s) of the affine polynomial(s) and combines selected roots with the error syndromes to provide error correction signals for the uncorrected errors.
Patent GB-537252-A (GB)
Title: Improvements in or relating to a method of and apparatus for producing sodium bicarbonate in the ammonia-soda process
IPC: C01D7/18
Filed: 1939-07-18
Abstract: 537,252. Sodium bicarbonate. OSWALD, A. M. July 18, 1939, No. 20904. [Class 1 (ii)] In the ammonia-soda process an ammoniacal salt solution is conducted, in counter-current to carbon dioxide - containing gases, through two towers free from baffle plates or other fillers, the solution being continuously pumped from the lower part of the first tower to such a level in the second tower that there will be above the liquid enough space for the froth formed, which may be carried wholly or partly with the gases into the first tower. As shown, ammoniacal salt solution enters tower 1 by the pipe 3, and is pumped by the pump 6 through the pipe 4 into tower 2, which it leaves by pipe 8 to be filtered. Gas enters tower 2 by pipe 7, passing through the liquid and forming froth above it ; froth and gas pass through pipe 5 to the bottom of tower 1, and leave it by pipe 9. Tower 1 may be higher than, e.g. twice as high as, tower 2.
Patent GB-613921-A (GB)
Title: Process for the protection against the corrosion of metal surfaces
Inventor: FREUD HERBERT MANFRED
IPC: C08L89/00
Filed: 1945-08-14
Abstract: Metal surfaces are protected against corrosion by applying thereto an acid solution stable to light, having a pH of 3.5 or more composed of gelatine or other animal glue and a tanning agent chosen from the group consisting of chromates or dichromates of metals, the hydroxides of which are insoluble in water, the gelatine being rendered insoluble by decreasing the pH figure of the admixture.  The pH may be reduced by evaporating off the water or by the presence of acid ions remaining after pickling of the metal.  Specified tanning agents are manganese and/or zinc dichromates.  Preferred proportions are from 0.1 to 2 per cent gelatin and 1 to 10 per cent manganese and/or zinc dichromates. Auxiliary substances e.g. wetting agents such as sulphoricinoleic acid, plasticizers such as glycerine and colouring agents may also be present.  Several treatments may be used and a layer of paint may be applied as an overcoat.
Patent GB-266394-A (GB)
Title: An illuminated or luminous line or sign let into the road-way for the guidance of traffic
IPC: E01F9/08
Filed: 1925-08-22
Abstract: 266,394. Pring, H. W. B. Aug. 22, 1925. Surface signs.-An illuminated or luminous line or sign on the road surface, for traffic guidance, is formed by transparent blocks A placed end to end in a channel in the road, each block having a hole B throughout its length to receive the lighting means F. In the form shown, glass blocks rest on a cushion D of resilient reflecting material, such as white rubber, and similar material forms a reflecting cushion C between the blocks. The pad C is reduced at the centre to carry electric vacuum tubes F. The hole B in the block may be filled with a luminous chemical compound.
Patent GB-688411-A (GB)
Title: Improved toy
IPC: A63H13/02
Filed: 1950-08-28
Abstract: 688,411. Mechanical toys. BENEDICT, R. E. Aug. 28, 1951. [Aug. 28, 1950] No. 21217/50. Class 132 (iii). A toy. e.g. representing an animal or human being, comprises a wheel, that is rotatable in opposite directions by a draw cord, tape or the like and a spring respectively, and means connecting the wheel to a movable member of the toy, e.g. the wing of a bird, whereby rotation of the wheel in at least one direction imparts oscillatory movement to the movable member. As shown in Figs. 1 and 2, a toy bird has within its body a wheel 4 subject to the action of a spring 16 and provided with a draw cord 6, which extends over an auxiliary wheel 14 and through a window 7, whereby the spring 16 may be tensioned. The auxiliary wheel 14 is connected by cranks 9, 11 and rod 10 to a spindle 12 supporting the wings 13 of the bird and when the free end of the cord is held the toy simulates a bird fluttering upwards or downwards as the cord winds on or unwinds from the wheel 4. The fluttering may be prevented during tensioning of the spring by providing pawl and ratchet mechanism. Alternatively, the auxiliary wheel may be dispensed with and the spindle operated by crank connections from the shaft 5, Fig. 4, (not shown) or by a follower engaging a cam on wheel 4, Fig. 5 (not shown).
Patent GB-441187-A (GB)
Title: An improved process and apparatus for cutting bars of sugar into cubes
IPC: C13B45/00
Filed: 1935-07-25
Abstract: 441,187. Endless - belt conveyers. JAGENBERG - WERKE AKT. - GES., 107, Himmelgeisterstrasse, D³sseldorf, Germany. July 25, 1935, No. 21224. Convention date, July 25, 1934. [Class 78 (i)] [See also Groups VI, I, and XVII] In cutting bars of sugar into pieces by cutting through the side faces which are perpendicular to the supporting surface, both ends of the bars are held by a yielding force. The bars, preferably superimposed on one another, are cut by being carried between a pair of rollers carrying knife blades at a speed equal to the speed of rotation of the knife blades. After cutting, the pieces of sugar are pushed out en bloc into a carton. Bars of sugar z, advancing on a conveyer band 1, Fig. 4, are pushed by a member 8 into a rotatable carrier 21, 22. On rotation through 90‹ the bars are placed in superimposed condition on slide l where they are held by members 25, 26 both of which are yielding. They are then carried between rotating cutters m, the cutters of which comprise knife blades 57 disposed round the periphery of a rotating roller 56, Fig. 8, the speed of the slide and the peripheral speed of the blades being equal so as to prevent crushing. After cutting, the pieces pass to a rotatable carrier 30, Fig. 9, mounted on the same shaft 20 as the carrier 21, 22 which carries the pieces to a position over the cartons 47 into which a plunger 37 pushes them, two successive layers filling a carton. The same cycle is carried out with slide k. The cartons are advanced by conveyer chain 46. The knife blades 57 of the cutters are held between tension sleeves 51, 52 and 53, 54, Fig. 7, adjustment being provided by screws 58 and nuts 59, 60.
Patent GB-1385168-A (GB)
Title: Circuits and methods for measuring capacitance
IPC: G01R19/255
Filed: 1973-05-04
Abstract: 1385168 Measuring capacitance STANDARD TELEPHONES & CABLES Ltd 4 May 1973 21233/73 Heading G1U [Also in Division H3] The capacitance of an unknown capacitor C1, Fig. 1, at the end of a long line L, is measured by first connecting a battery across the capacitor to charge it to a known voltage, and then connecting a reference capacitor C2 across the charged capacitor C1, in place of the battery, and determining the resulting common voltage across the two capacitors. As described this is done by converting the voltage into a pulse of a corresponding duration, which is then digitized by using it to open a gate 4 so that pulses from an oscillator 3 (see Division H3) pass to a counter 6 controlling a display device 7 via a decoder 8. Preferably, the frequency of the oscillator 3 rises linearly so as to provide greatest measurement accuracy near the expected valve of the unknown capacitance, and in this case the sweep of the oscillator is initiated by the leading edge of the duration significant pulse.
Patent GB-640763-A (GB)
Title: Improvements in or relating to spot welding machines
IPC: B23K11/31
Filed: 1948-08-12
Abstract: 640,763. Electric welding. WARD, Ltd., T. W., (trading as WOODHOUSE & MITCHELL), and FORBES, L. Aug. 12, 1948, No. 21238. [Class 83 (iv)] The movable electrode a of a spot-welding machine is pivoted about a common centre c<SP>1</SP> with an operating lever d<SP>2</SP> connected through one arm g<SP>1</SP> of a bell-crank, and a toggle link e to a pedal-lever f, and the other crank-arm g<SP>2</SP> has an abutment n operating a current control switch s through a push-rod o. A spring h connected between the pedal f and crank g<SP>1</SP> diverges the electrodes a, b when the pedal is free, a limiting buffer p being provided, and the electrode pressure is determined by a spring k connected to the lever d<SP>2</SP> and an adjustable nut m<SP>1</SP> and screw m of the bell-crank. In operation, first pedal movement operates the toggle to close the electrodes a, b, a pin i on the arm g<SP>2</SP> transmitting the movement to an abutment j on the lever d<SP>2</SP>. Further movement pivots the crank against the pull of the spring k thus applying a controlled force to the work between the electrodes a, b, and finally operating the switch s. At the end of the movement the abutment n slides clear of the rod o and opens the switch s to break the weld current circuit. On release of the pedal f the spring h opens the electrodes a, b.
Patent GB-634598-A (GB)
Title: Process for the production of synthetic drying oils
Filed: 1947-08-06
Abstract: Drying oils are made from crude catalyst-hydrocarbon complexes separated from the products of reacting hydrocarbons with polymerization catalysts comprising acid-acting metal halides or hydrogen fluoride, by removing saturated high-boiling hydrocarbons therefrom by extraction with an inert, immiscible solvent boiling below 250 DEG  C. and separating the oil from the thus purified complex.  Catalyst complexes formed in alkylation of isoparaffins with olefins, isomerization or cracking of hydrocarbons may be used. The solvent should in general boil below 250 DEG  C. to evaporate from films of paints and the like, and may be a petroleum distillate, diethyl ether or dioxane, or olefin-containing material if the catalyst is unreactive.  An olefinic charge may be treated with hydrogen fluoride at -18 DEG  to 150 DEG  C., and a pressure to maintain the liquid phase, the product stratified and the catalyst layer solvent extracted, stratified, and the separated catalyst phase treated to recover hydrogen fluoride as by distillation or the action of water or alkali.  It may then be steam or vacuum distilled to recover the drying oil. Alternatively, after the solvent treatment, the catalyst layer is hydrolysed with wayer or aqueous hydrogen fluoride, a hydrocarbon diluent being added, if desired.  The drying oil generally has a M.W. of 250-500, and contains 2-5 double bonds per molecule. Where the catalyst complex contains metal halide, the separated catalyst phase may be extracted with a light hydrocarbon such as petroleum ether and then hydrolysed in the presence of residual hydrocarbon with refluxing to maintain a constant temperature as described in Specification 634,597.  An example illustrates the improved drying properties of an oil prepared from the catalyst phase of a polymer gasoline - hydrogen fluoride reaction when petroleum ether extraction is effected prior to hydrolysis.
Patent GB-201414-A (GB)
Title: Improvements in microscope illuminators
IPC: G02B21/10
Filed: 1922-08-05
Abstract: 201,414. Beck, C., Beck, H. C., and Beck, C. J. Aug. 5, 1922. Reflectors. - Microscope specimens are illuminated from above by an annular glass reflector consisting of two spherical surfaces R<1>, R<2> of different radii of curvature, the one farthest from the objects being silvered. The curves and separations are selected so as to reduce the aberration to a minimum, neglecting the portion of the reflector removed to permit the microscope objective to pass through. A beam of parallel rays C, having the central portion stopped out by a disc D is brought to a focus at the object 0. Numerical data are given in the Specification.
Patent GB-170370-A (GB)
Title: Improvements in and applicable to knot-tying implements
IPC: B65H69/04
Filed: 1920-07-16
Abstract: 170,370. Coombes, W., and Pare, F. W. July 16, 1920. Knot-tying devices.-A knot-tying device of the kind described in Specification 18778/00 or Specification 2311/03, is provided with a spring which returns the actuating-lever 6, after being released, to its upper position in readiness for the next operation. A buffer plate 13 provides a stop for this return movement. The knotter is mounted upon a holder 1, secured upon a bar 4 by means of a saddle plate 2 and a thumb-screw 12. A guard 9 protects the operator.
Patent GB-422170-A (GB)
Title: Improved soldering iron
IPC: B23K3/02
Filed: 1934-07-24
Abstract: 422,170. Soldering - irons. DIGGLES, A., 121, Barnsley Road, Wombwell, Yorkshire. July 24, 1934, No. 21581. [Class 83 (iv)] The exposed sides of the bit a of a soldering-iron are provided with recesses b into which solder is placed, the recesses communicating with holes e through which the molten solder is supplied to the joint. The rear end of the bit is formed as a pivot d, the bit being secured in the handle stem by a bolt f, wing nut and detachable plate h.
Patent GB-871178-A (GB)
Title: An improved pivot bearing, especially for perspective windows
IPC: E05D7/082
Filed: 1959-06-24
Abstract: 871,178. Hinges and pivots. FLODELL, S. A. R. June 24, 1959 [Aug. 5, 1958], No. 21608/59. Class 65(2). A friction pivot bearing, intended to be used for windows, comprises a stationary housing 6 having a bore 8, 9, of double-conical form widening towards each end and a turnable pivot portion 11 comprising a conical head 10 engaging the surface 8 of the bore, a pin 12 the end 15 of which engages a fitting 4 in a movable sash frame 5, and a conical disc 16 non-rotatably carried by a non-circular portion 14 of the pin and movable towards the head 10 into engagement with the surface 9 of the bore by means of a nut 18 on the pin to regulate the friction of the bearing. The nut 18 is provided with a lock nut 19. The end 15 of the pin is non-circular and is inserted from one end of the fitting 4 through a slot 23 into a space 24, and a filling-piece 25 is then inserted into the slot and secured therein by a screw 26. The pin 12 has a further nut 32 for lateral adjustment of the sash.
Patent GB-137101-A (GB)
Title: Improvements relating to the generation of electricity by thermo electric batteries
IPC: H01L35/00
Filed: 1918-12-30
Abstract: 137,101. Walter, C. M. Dec. 30, 1918. Thermo-electric batteries.-An engine exhaust a leads to a number of tubes d built up in sections which are insulated from one another and to which the hot junctions of the couples are connected. Each element consists of a strip of nickel, copper, iron, or nickel-chromium provided with bosses g, h as shown in Fig. 5. The tubes d pass through the bosses h, the bosses g of adjacent elements being connected by a short length of tubing or by brazing. The whole apparatus may be filled and covered with heat-insulating material and serves as a silencer. The outer junctions are cooled by circulating fluid or by rotation of the whole apparatus in the air.
Patent GB-315763-A (GB)
Title: Longitudinal suspension for overhead contact lines for electric railways, tramways and so forth
IPC: B60M1/20
Filed: 1929-07-15
Abstract: 315,763. Pontecorvo, L. July 17, 1928, [Convention date]. Systems of supporting cables and conductors.- Overhead electric traction lines are mounted on an arm 5 which is connected to an insulator 3 mounted on a ring 2 carried by a rigid support 1. Movement of the arm 5 is allowed by a hinge 4. The support 1 is of angular or curved formation and comprises horizontal and vertical arms, being slidably mounted on a horizontal bar 7 by clamps 8. The bar 7 is slidably adjustable on a vertical pole. In a modified construction the arm 1 may be mounted directly on the pole by clamps 9 which are adjustable vertically. On a curve the wire may be further supported by a tension member attached to a post on the outer side of the curve. The insulator may consist of porcelain tubes surrounding one member and surrounded by a metal collar attached to the other, so that even if the porcelain is completely destroyed the members remain in connection.
Patent GB-912025-A (GB)
Title: Improvements in or relating to electric thermostats
Inventor: BUTLER LAURENCE PAUL
IPC: H01H37/08
Filed: 1960-06-22
Abstract: 912,025. Thermal switches. BUTLER Ltd., L. P. May 30, 1961 [June 22, 1960], No. 21862/60. Class 38 (5). A thermostat for use in aquaria comprises a channel-section insulating block 1 carrying a bimetallic strip 9 and a fixed contact 11, with which a contact 10 on the free end of strip 9 co-operates. A circular head-piece 12 integral with block 1 is threaded to receive a collar 20 having a flange 21 which serves to clamp a flange 18 of a glass tube 17 against the end face of head-piece 12. Tube 17 enables all but the head-piece 12 of the thermostat to be immersed in water. A screw 14 in a threaded bore 13 of head-piece 12 is secured to a disc 15 by which it can be rotated to press against a bent part of strip 9, as shown, to provide adjustment of the operating temperature.
Patent GB-668806-A (GB)
Title: Improvements in or relating to discharge tubes comprising a resonant cavity adapted to be excited by an electron beam of annular cross-section
IPC: H01P7/04
Filed: 1950-09-06
Abstract: 668,806. Velocity-modulated tubes. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Sept. 6, 1950 [Sept. 9, 1949], No. 21951/50. Class 39 (i). An electron discharge tube comprises an annular 'cathode 2, Fig. 1, and means for forming the electrons into an annular beam which passes through a flat cylindrical cavity resonator 1 to generate oscillations therein, the output being taken via parallel plates 6, 7, also apertured to permit passage of the beam, to a concentric line 8, 9. In the reflex klystron illustrated 4 and 5 are annular beam-forming electrodes and 3 is the reflector electrode. The annular gaps in the resonator walls and in plates 6, 7 are bridged at four points by strips, Fig. 2 (not shown), to hold the structure together, and metal block 10 and insulating block 11 insure correct spacing of the parts.
Patent GB-351771-A (GB)
Title: Sack cart
IPC: B62B1/14
Filed: 1930-07-21
Abstract: 351,771. Hand-trucks. SCHOPPER, M., Solin, near Munich, Germany. July 21, 1930, No. 21959. [Class 108 (i).] In sack trucks having a sliding platform the winding ends of the bands 5 are secured to the axle 6 through a slot, a cottar pin securing the bent-over end of the band in position and a slotted sleeve 8 is pushed over the axle 6, the other ends of the bands 5 are secured to a member 9 adapted to screw into a member 9<1> secured to the sliding platform and the legs 4 are held and secured automatically in their closed position by a weighted latch 15 having a curved surface. The sliding platform is provided with rollers adapted to traverse runners or guides on the truck frame.
Patent GB-1075932-A (GB)
Title: Improvements in or relating to apparatus for refrigeration
IPC: F25B1/06
Filed: 1961-05-27
Abstract: 1,075,932. Refrigerating. J. STARCZEWSKI. Aug. 24, 1965 [May 27, 1964], No. 21980/64. Heading F4H. Refrigerating apparatus comprises an ejector 8 which is supplied with liquid refrigerant from line 42 and entrains and compresses refrigerant vapour supplied via line 54 from an evaporator 15, a chamber 1 into which the ejector discharges and in which part of the entraining liquid evaporates and part of the compressed vapour condenses, and a line 16 which includes an expansion valve 17 for supplying liquid refrigerant from chamber 1 to the evaporator 15. Refrigerant vapour from chamber 1 is further compressed in a series of chambers 2-6 by ejectors 9-13, which are supplied with liquid refrigerant through lines 43-47, the vapour from the final chamber 6 being condensed in a condenser 61 and returned to the ejectors by a pump 62. Liquid refrigerant from chambers 2-6 is supplied through valve controlled lines 20-24 to an intermediate pressure vessel 31 from which liquid is withdrawn by pump 35 and supplied to the ejectors and vapour is supplied through line 32 to an ejector 7 which entrains part of the refrigerant vapour from the evaporator through line 18 and discharges into chamber 1. A liquid to be cooled flows through line 70, heat exchanger 40 (where it is pre-cooled by the liquid being supplied to the ejectors), line 71 and evaporator 15. In a modification, the output of pump 62 may be fed to the downstream side of heat exchanger 40.