baber/WOPTO huggingface dataset:
Patent GB-352640-A (GB)
Title: Improved method of constructing and applying lagging and other heat insulating means
IPC: F16L59/22
Filed: 1930-05-19
Abstract: 352,640. Nonconducting coverings for heat. KREWS, E., 4, Hathaway Road, and FRANKLIN, H. W., 12, Clarence Road, both in Grays, Essex. May 19, 1930, No. 15329. [Class 64 (ii).] In heat insulating lagging for pipe lines in which an outer shell 13, Fig. 1, is separated from the pipe 11 and is formed with openings 15 for the insertion of powdered insulating material, the outer shell is held in place by bands 30 of arcuate cross section, each of which is provided with a tongue 32, Fig. 4, and one or more apertures 36, 37 through which the tongue is adapted to pass. Thin annular rings 12 serve as spacing members between the pipe and outer casing and adjacent ends of the casing sections are beaded as at 48 so as to prevent longitudinal displacement. For lagging pipe bends the outer casing is made up of sector-shaped portions of tubing.
Patent GB-481178-A (GB)
Title: Process for treating mineral oil products
IPC: C10G21/16
Filed: 1936-06-02
Abstract: In the extraction of mineral oils with selective solvents, the oil is first treated with sulphuric acid.  About 0,5 to 10 per cent of concentrated acid is used.  Heavy oils containing asphaltic and resinous substances are especially suitable for treatment.  Acid sludge is separated by a centrifuge.  Selective solvents specified are, phenol, cresol, liquid sulphur dioxide, nitrobenzene, aniline, toluidine, nitro-toluol, crotonaldehyde, acrolein, b b 1-dichlorethyl ether, furfural, ethylaniline, dichlorbenzene, or mixtures thereof, with or without added benzene.
Patent GB-1367002-A (GB)
Title: Compression and/or expansion system and circuit
IPC: H03G9/18
Filed: 1972-04-04
Abstract: 1367002 Compandors NIPPON VICTOR KK 4 April 1972 [6 April 1971 7 June 1971 19 Oct 1971] 15474/72 Heading H4 In a compandor system a compressor, Fig. 4A, has a first filter circuit 11 having a frequency response which increases the level of a signal in a predetermined frequency range followed by a second filter circuit 12 with a response which is variable between a characteristic which is complementary that of the first filter circuit and a flat response. The variable filter is controlled in accordance with signal level so that the overall response is that of the first filter at low signal levels and flat at high signal levels. An expander, Fig. 4B, is of similar construction except that the first filter (19) has a fixed characteristic complementary that of the first filter circuit in the compressor, i.e. to reduce the signal in the predetermined frequency range. As shown the fixed filter circuit is connected in the feedback path of an amplifier 30 in the compressor, Fig. 4A, and in the forward path in the expander, with the variable circuit connected in the forward path in the compressor and the feedback path in the expander. The control element 38 or 43 is preferably an f.e.t. In an alternative embodiment, Fig. 14, three filter circuits are connected in parallel in place of the individual filters of Figs. 4A and 4B, so that independent control can be obtained of three regions of the overall band, in each case the control circuit 14a, 14b, 14c, 21a, 21b, 21c, includes filters so that the control signal is only derived from the signals in the particular part of the band being controlled by that control circuit.
Patent GB-823711-A (GB)
Title: A lap-winding machine wherein the lap is held between swinging arms and is pressed against a single lap forming roller
Inventor: ULBRICHT WERNER
IPC: D01G27/04
Filed: 1956-05-18
Abstract: 823,711. Lap winding apparatus. SPINNEREIMASCHINENBAU KARL - MARXSTADT VEB. May 18, 1956, No. 15500/56. Class 120(1) In a lap winding machine of the kind in which the lap is pressed by swinging arms 9 against a single lap roller 7 constant pressure is provided by brake means acting on arms 9, and mechanism is provided for automatically moving arms 9 firstly away from roller 7 to a lap-discharge position and secondly back to their starting position, the brake means being inoperative during such movements of arms 9. In one embodiment, Fig. 1, a web 67 is wound on a core 8 held in arms 9 which are pivoted at 10. As the lap 13 builds up, arms 9 swing back to the dotted line position against the constant resistance of brake, on a shaft 17, connected to arms 9 via pinions 16 and toothed segments 15. When the lap is completed, a counting device causes a solenoid to be energized whereby a control shaft 34 is caused to perform one revolution. A cam on shaft 34 releases the brake mechanism and an eccentric, also on shaft 34, causes a crank arm 30 to be clutched to a driven gear wheel 32; rotation of arm 30 acts through connecting rods 37 to swing arms 9 further and deposit the completed lap in a delivery tray 14, the contoured edges 12 of the side panels of the machine supporting the lap during this movement. A further cam on shaft 34 causes a spider 49 to rotate by one division to move a new core 8a previously spaced manually on the spider, to the winding position; movement of the spider releases an arm 96 so that a trough 57 swings upwards under spring action to receive the new core 8a, sever the web and press the new leading edge around the new core. Meanwhile, further rotation of crank arm 30 has restored arms 9 to their original position to engage the new core, the crank arm being de-clutched from gear wheel 32 when a projection 42 trips a clutch-retaining pin 39. A crank arm on the brake release mechanism retracts trough 57 to its original position. In another embodiment, Figs. 11, 14, the core 8 is held between axially retractable hubs 81 and flanges 80 rotatable on arms 9 which are adjustably mounted on splined shaft 10 carrying toothed segments 15 meshing with pinions 18 on brake shaft 17. When the lap is completed a hand lever is operated to cause linkages 87, 86, 91 to rotate bearing bushes 83 whereby a pin and slot connection 85, 83 causes retraction of flanges 80 and release of the lap. Either flanges 80 or hubs 81 may be omitted.
Patent GB-795085-A (GB)
Title: Tensioning apparatus
IPC: B65H54/74
Filed: 1956-05-18
Abstract: 795,085. Wire tensioning means. STANDARD TELEPHONES & CABLES, Ltd. May 18, 1956 [May 19, 1955], No. 15565/56. Class 120(2) Tensioning apparatus for tensioning wire etc. comprises a carrier for the wire or the like, the carrier including a part made of metal and being free to rotate under the action of the wire, one or more magnets with their pole pieces adjacent the metallic part of the carrier and means for rotating the magnets at a speed much higher than that of the carrier and in a direction opposite to that of the carrier. As shown the invention is applied to apparatus for winding wire on to planar grid supports. The wire is carried by a reel 2 mounted on a lightweight metal drum 12 carried by a shaft 13 free to rotate in bearings 14. A bar magnet 15 is mounted within the drum 12 and is rotated by electric motor 17 through shaft 16. Rotation of the magnet at high speed compared with that of the reel 2 causes a substantially constant torque to act upon the drum 12 and thus a substantially constant tension in the wire. In a second embodiment, the reel is mounted on a disc rotatably mounted on the shaft of the motor which shaft carries magnets on both sides of the disc. Instead of the reel being mounted on the drum it can be mounted separately and the , wire fed around the drum.
Patent GB-875991-A (GB)
Title: Improvements in or relating to electrostatic precipitators and to apparatus for detecting the presence of radioactive particles in a gas stream
Inventor: PRITCHARD KENNETH
IPC: G01T7/06
Filed: 1958-05-15
Abstract: 875,991. Electrostatic precipitation. PLESSEY CO. Ltd. May 15, 1959 [May 15, 1958], No. 15601/58. Classes 39(1) and 39(4). Electrostatic precipitation apparatus has a closely coiled helical spring wire electrode whose ends are connected together to form an endless wire, fission products being precipitated on this electrode. As shown in Fig. 1 the stainless steel wire passes over four banks of pulleys 1, 2, 3, 4, to form a coiled coil helix, a drive pulley 6 causing the wire to pass through an electrostatic precipitator 8 and then through a scintillation chamber 9 where the presence of the precipitated radioactive particles is detected and assayed quantitatively. The free ends of the helical wire are connected by hooks, Fig. 2 (not shown) or one end can be tapered in diameter to form a spiral which is screwed into the other end or a flexible coupler such as a helix or spiral of smaller diameter screws into both the free ends. The electrostatic precipitator 8 may be as in Specification 867,368 radio-active particles being passed into the precipitation chamber in the gas stream and due to the electrostatic fields deposit on the central wire helix electrode. A prior art electrode of stranded stainless steel wires is referred to.
Patent GB-1147480-A (GB)
Title: A pressure-sensitive copying material
Inventor: JENKINS FRANK LLEWELLYN
IPC: B41M5/155
Filed: 1966-04-07
Abstract: 1,147,480. Composition for coating paper. NATIONAL CASH REGISTER CO. 8 March, 1967 [7 April, 1966], No. 15605/66. Heading C3P. [Also in Division D2] A coating composition comprises attapulgus clay, silica gel, styrene-butadiene resin latex, sodium silicate and talc, asbestos or mica.
Patent GB-834004-A (GB)
Title: Improvements in or relating to the destruction of termites under building structures
IPC: A01M1/24
Filed: 1956-05-18
Abstract: 834,004. Exterminating termites under buildings. ALDRIDGE, G. L., and CHAMBERS, L. E. May 18, 1956 [May 19, 1955], No. 15623/56 Class 20(2) A system of perforated copper pipes is laid in relatively coarse material beneath a concrete slab 5 supporting a structure, the pipes being connected to at least one header 15 communicating with an inlet fitting 13 located exteriorly of the structure for introducing into the system a liquid or gas for exterminating termites, this liquid or gas passing out of the perforated pipes and seeping into the coarse material throughout the underside of the slab. The perforated pipes are arranged horizontally beneath the slab 5 as at 17 and vertically alongside the footings 3 as at 20.
Patent GB-714503-A (GB)
Title: Apparatus for locating images optically projected on screens
Inventor: WALLER FRED
IPC: G03B21/10
Filed: 1951-07-02
Abstract: 714,503. Optical projection apparatus; kinematograph films. VITARAMA CORPORATION. July 2, 1951, No. 15640/51. Classes 97(1) and 98(2) [Also in Group XL(b)] The lens mount of a projector is adjustable horizontally and vertically and is coupled to the fiim gate to provide an adjustment thereof in the same direction but of different amount. The adjustments may form part of a photo-electric device for locating the projected image. In the form shown in Fig. 1 the lens 19 is adjustable in guides 28 by rack and pinion driven through reduction gearing from the motor 33. This mechanism is carried on a base 34 similarly adjustable in horizontal guides 36 by a motor 40. Images of apertures 15, 16 adjacent the film frame 19 are formed respectively on pairs of photo-cells 47, 48 and 52, 53 connected to the relays 44, 45 and 50, 51 controlling the motors 33, 40. If both cells 47, 48 are equally illuminated both relays 44, 45 are closed and the motor 33 does not run. If the illuminations are unequal one relay is opened and the motor runs to centre the image of the. aperture 15 over the cells whereby the image of the frame 13 is located vertically. Similarly the cells 52, 53 provide horizontal location. Lever systems of adjustable ratio provide movements of the film gate in the same directions as the lens movements. Fig. 4 shows a film with apertures 84, 85 between the frames 81 with additional spaced apertures 83. The apertures 84. 85 provide vertical and horizontal location as already described. The projected image of the aperture 83 falls on a pair of photo-cells forming part of a control system similar to the two described which adjusts the projection lens axially to vary the magnification, the gate being also moved to maintain focus. This magnification control is required where several juxtaposed projected images form a mosaic. Using the film shown in Fig. 4 the photocells are disposed at the base of the screen.
Patent GB-110797-A (GB)
Title: Improved Means for Returning to a Tank Oil from Bearings of Internal Combustion Engines which in use are Liable to be Considerably Tilted.
IPC: F01M1/12
Filed: 1916-11-02
Abstract: 110,797. Wolseley Motors, Ltd., and Remington, A. A. Nov. 2, 1916. Force-feed lubricating.-To drain oil from the base of an internal-combustion engine for aircraft &c. which is liable to be tilted, two pumps B are employed, and are placed in wells o, one at each end of the base c. Each pump is of sufficient capacity to deal with the whole of the return oil. The oil is forced through pipes b<1> to the supply tank. An oil supply pump D is placed in a central well c<1>, and the three pumps which are preferably of the gear-wheel type, are driven by the same shaft G.
Patent GB-1076733-A (GB)
Title: Improvements in or relating to apparatus for comparing the amplitudes of signals of different frequencies
Inventor: LUNN GERALD KEITH
IPC: G01S1/02
Filed: 1965-04-13
Abstract: 1,076,733. Automatic phase control systems; radio navigation. WAYNE KERR CO. Ltd. Feb. 18, 1966 [April 13, 1965], No. 15646/65. Headings H3A and H4D. [Also in Division G1] In an apparatus for comparing the amplitudes of two input signals of different frequencies, e.g. 90 and 150 c/s., a reference signal whose frequency is the mean of the input frequencies from an oscillator 14 is mixed therewith in a balanced modulator 13 and the output from the modulator at half the difference input frequency is detected by means of filter 18 and phase-sensitive detector 19 so that an indication of the amplitude difference is displayed on a meter 32. The phase of the mean frequency reference signal from the oscillator 14 is controlled by the output from a phase-sensitive detector 15 which receives as inputs the output from the modulator 13 and a reference signal from a frequency divider 16 providing a signal whose frequency is the same as that from the modulator, i.e. half the input signal difference frequency. Such a system is disclosed in Specification 1,011,513. In the present arrangement a further balanced modulator 12 receives the input signal and a signal in phase quadrature with the mean frequency reference signal, and the modulator output is fed to a phase-sensitive detector 22 whose reference input is derived from the frequency divider 16 but is in phase quadrature to the reference input to the detector 15. The output of the detector 22 controls a phase-shifter 31 to adjust the phase of the two reference signals supplied to the detectors 15 and 22 so as to reduce the output of the detector 22 to zero. This ensures that the phase of the reference signal applied to the detector 15 is correctly adjusted. As explained in Specification 1,011,513, the system is used in aircraft instrument landing systems, and the two frequencies to be compared are received as modulations of the same carrier frequency, either at an aircraft or at equipment for testing the signals transmitted in the system. The two signals are received and demodulated by a receiver 11 before being applied to the system explained above. The output from the balanced modulator 13 will provide an indication of the difference of the depth of modulation of the two transmitted signals, and so in the aircraft will indicate the extent of deviation from the correct aircraft path. The output from the other balanced modulator 14 may also be detected using a phase-sensitive detector 21, and yields an output proportional to the sum of the modulation depths, which since these are equal at the transmitter, is proportional to the modulation depth.
Patent GB-457484-A (GB)
Title: Improvements relating to the casting of metals and ladles therefor
IPC: B22D41/05
Filed: 1935-05-30
Abstract: 457,484. Foundry ladles. DAY, L. G., Arnehurst, Marsh Lane, Taplow, and MAGNESIUM CASTINGS & PRODUCTS, Ltd., 77, Buckingham Avenue, Slough, and HIGH DUTY ALLOYS, Ltd., 81, Buckingham Avenue, Slough, both in Buckinghamshire. May 30, 1935, No. 15739. [Class 82 (i)] A method of casting metals particularly readily oxidizable metals such as magne. sium and its alloys comprises withdrawing in a ladle a charge of molten metal from a stock over which an inert gas is maintained, and preserving an atmosphere of inert gas over the metal in the ladle during its passage to the mould. The ladle comprises a bowl portion 1 and a cover 3 having a depending screen 4 at one end dipping below the surface 5 of the metal to form a submerged pouring orifice. The end 7 of the cover may be open as shown, in which case the ladle and its contents are passed to the mould with the lip 6 forwards, or it may be closed, in which case the ladle is passed to the mould with the lip in the rear. A modification has the whole surface covered in leaving only openings at the back and front for filling and pouring.
Patent GB-966480-A (GB)
Title: Method of manufacturing tubular electrical capacitors
IPC: H01G4/32
Filed: 1963-04-18
Abstract: 966,480. Capacitors. SIEMENS & HALSKE A.G. April 18, 1963 [April 19, 1962], No. 15755/63. Heading H1M. A method of manufacturing a tubular electrical capacitor of the rolled composite dielectric and metallic strip type, includes the steps of interposing a reinforcing carrier strip between the last few turns of the composite strips and adjusting the final rating of the capacitor by removing an end portion of the composite strips and supporting carrier strip. The drawing shows a tubular capacity provided with metallic end-contact coatings 2 across the axial ends. A reinforcing carrier strip 7 is coiled together with the last turns of two thin composite strips formed by dielectric films 3 and 5 carrying metal films 4 and 6, and enables the required number of turns to be removed whilst the capacity is being measured. The strip 7 may be of stretched polystyrene, polyethylene-terephthalate, polycarbonate or polyethylene. The capacitors may alternatively be of the type formed by winding four strips each comprising two dielectric films and an intermediate metallic film, the strips being so arranged that part of the dielectric is in a field-free space while part is dielectrically active. The part in the field-free space may be cellulose acetate and the dielectrically active part may be polystyrene. The metal may be vaporized on to one dielectric layer and the other dielectric layer may be coated on to the metal. The carrier strip 7 may be located in a field-free space. To avoid changes in capacity after the capacity has been adjusted the wound capacitor should be heated before subjection to the Schoop process of applying the end contact coatings.
Patent GB-739789-A (GB)
Title: Improvements in and relating to ornamental ear clips
IPC: A44C7/00
Filed: 1954-05-28
Abstract: 739,789. Ear-clips. MICHELS, F. May 28, 1954 [May 30, 1953], No. 15855/54. Class 43. The pivoted lever arm of an ear clip is held positioned against the lobe by frictional means comprising pivotal joints having mutually contacting surfaces of conical formation. The external conical bearing surfaces on the ornament-supporting arm lie within the hollow conical surfaces of the pivot members on the lever arm or vice versa, and the bearing surfaces may be pressed together by external spring means or by resilient forces inherent in the arms themselves aided by spring members. As shown in Figs. 10 and 11 the hollow conical pivot members 3 of the U-shaped arm 2 carrying the ornament 10, embrace the conical pivot members 6 on the rigid lever arm 7 and the contacting surfaces are pressed together by an annular spring 9 passing through holes 5 in the arm 2 and engaging in grooves 4 in the apices of the pivot members 3. In Fig. 12 the supporting arm 11 is rigid and the lever arm 12 is of folded springy sheet metal, the frictional surface contact pressure being augmented by an inner compression spring 15. The fold 14 may be located outside the supporting arm 11. In Fig. 15 the rigid joint surfaces of the supporting arm 18 are embraced by the internal conical surfaces o members 16, 17 of the folded sheet metal arm 7 and the contacting surfaces are pressed together by an annular spring 9 passing through holes in the fold 19 and engaging in grooves 4 in the external surfaces of members 16, 17.
Patent GB-1498694-A (GB)
Title: Overflow prevention for liquid between flexible layers on a solid surface
IPC: G03G17/04
Filed: 1975-04-17
Abstract: 1498694 Photo-electrophoresis XEROX CORP 17 April 1975 [30 April 1974] 15889/75 Heading G2H When photo-electrophoretic imaging is carried out in suspension 17 between web or belt electrodes 10, 14, escape of suspension liquid at the sides of the webs is prevented by annular grooves 16 on imaging roller 32. The grooves cause the electrostatic and mechanical pressure across the sandwiched electrodes and suspension to drop, and cause a bead 18 to form. Also the inward bulge of the electrode 14 at each groove prevents any liquid which does escape from getting between the electrode 14 and the main part of the roller 32. Preferably, the electrode 10 is of polyethylene terephthalate, with a transparent aluminium film against the suspension, and the electrode 14 is of polypropylene. The roller 32 may be of steel or conductive rubber. Either electrode, or both, may be a reusable endless belt, and the developed image formed may be transferred to a copy material at a transfer station with a transfer surface grooved similarly to the roller 32.
Patent GB-318278-A (GB)
Title: Improvements in or relating to loud-speaking telephones applicable for use in connection with television apparatus and the like
IPC: H04N3/04
Filed: 1928-05-31
Abstract: 318,278. Baird, J. L., and Television, Ltd. May 31, 1928. Drawings to Specification. Television.-The rotating scanning disc is used as the vibration diaphragm of an electromagnetic transmitter or loud-speaker. The disc is of iron or fabric supporting an iron rim, or may be replaced by a cone adapted to rotate without sliding on the acoustic driving rod and coupled to a motor shaft by a splined connection.
Patent GB-140288-A (GB)
Title: Improvements in metal cutting tools
IPC: B23D13/00
Filed: 1919-06-25
Abstract: 140,288. Rennie, J. B. June 25, 1919. Tools. - A high-speed steel bit a is secured to a cranked toughened steel shank by welding and by a dovetail c to relieve the weld from thrust. The length of the cranked portion is varied according to the height required for the cutting-edge.
Patent GB-266967-A (GB)
Title: A new or improved process for the manufacture of bread
IPC: A21D2/10
Filed: 1926-06-25
Abstract: 266,967. Matti, J. June 25, 1926. Bread is made by intimately mixing 100 parts of flour, 66.5 parts of water, 2 parts of salt and 1 part of yeast at a temperature of 38-40‹ C., adding 0.1 parts of an edible neutral fatty substance such as refined paraffin oil, mechanically kneading the mass for about 12 minutes, allowing it to ferment for about 40 minutes, moulding. and allowing it to rise in pans for 15-30 minutes, and finally baking for about 1 hour.
Patent GB-1185413-A (GB)
Title: Snowfall Alarm.
Inventor: ROSSIER DENIS
IPC: G08B21/18
Filed: 1968-04-03
Abstract: 1,185,413. Snowfall meters. D. ROSSIER. April 3, 1968 [April 17, 1967], No. 16011/68. Heading G1X. A snowfall alarm comprises a base-plate 9 having two upstanding vertical supports, only one of which, 1, is shown, and between which is disposed a vertically adjustable horizontal table 8 on which snow may settle, the vertical supports carrying respectively a light source providing a horizontal beam of light and a photo-cell 4 to receive light from the source, the arrangement being such that when the snow has built up on the table 8 to a depth determined by the adjusted vertical position of the table so as to interrupt the light beam from the source to the photo-cell, an alarm such as a bell (not shown) will be actuated.