baber/WOPTO huggingface dataset:
Patent GB-166248-A (GB)
Title: Improved method of and apparatus for measurement and/or standardisation
IPC: G01B5/06
Filed: 1919-09-01
Abstract: 166,248. Imperial Trust for Encouragement of Scientific & Industrial Research, Sears, J. E., and Brookes, A. J. C. Sept. 1, 1919. Gauges.-Comprises a method of and means for comparing two lengths, the positions of which are interchanged relatively to a level. A massive base a mounted on levelling screws b has rotatably mounted upon. it a table c. The table has a truly flat upper surface parallel with a truly flat annular under surface resting on the truly flat upper surface of an annular fitting d mounted in a recess in the base a. A bubble level g, graduated at each end is carried in a holder which is vertically adjustable on and horizontally adjustable from a standard m. The level has a base l with a three-point support, or, alternatively, two balls k may be used, bearing on either of the two objects under comparison, and a guide wire g<1> on the gauge bears between two wires g<2> on the holder. A series of slip gauges as described in Specification 141,770, [Class 60, Grinding or abrading &c.], may be wrung together and compared with a standard. The table c has two facets to receive the gauge column and the standard, the level being lowered to bear on the tops of each, and the reading noted. The level is then raised and the table rotated by means of the wooden ring c<1> until the positions of the column and standard are interchanged when another reading is taken. The difference between the readings is a measure of the difference between the height of the gaugecolumn and the standard.
Patent GB-987880-A (GB)
Title: A control rod drive for nuclear reactors
IPC: G21C7/16
Filed: 1961-06-14
Abstract: 987, 880. Controlling nuclear reactors. LICENTIA PATENT-VERWALTUNGS G.m.b.H. June 14, 1961 [June 15, 1960], No. 21463/61. Drawings to Specification. Heading G6C. A control rod drive for a nuclear reactor comprises a mechanical drive system combined with a fluid drive system, the fluid of which is the same as that used as coolant and/or moderator in the core of the reactor, communication being provided between the pressure vessel of the reactor and the fluid drive system which is maintained at a pressure slightly below that in the pressure vessel so that during normal operation a portion of the reactor coolant and/or moderator will flow from the pressure vessel into the fluid drive system. The coolant and/or moderator fluid that emerges from the fluid drive system may be returned to the pressure vessel through a filter plant to remove corrosion products. The drive of the control rod for the control action may be effected by means of an electric motor, while the emergency or quick-acting shutting-down of the reactor is carried out by means of the above-mentioned fluid drive system, the fluid for which is stored under pressure in a separate supply reservoir. It is an advantage to combine the two drive systems so that one is disposed concentrically inside the other, thus reducing the overall structural height. As a result of the pressures within the control rod drive and the pressure vessel being nearly equal, special seals can be dispensed with and the drive has only to provide sufficient power to overcome the weight of the rod whereas in the devices hitherto known it was necessary to overcome both the internal pressure of the reactor and the friction at the seals. In addition, special lubrication of the drive is not required. The flow of hot coolant and/ or moderator uniformly heats the control drive in an advantageous manner, thermal stresses being avoided when the control rod is moved in and out of the reactor. In order to maintain the liquid which is under pressure in the supply reservoir for the emergency shut-down constantly at approximately the reactor operation temperature, a coil of pipe is arranged within the supply reservoir through which coil the hot coolant and/or moderator that emerges from the fluid drive system is caused to flow.
Patent GB-1261774-A (GB)
Title: Apparatus for washing particulate materials
Inventor: RODIN ROMAN ANDRIANOVICH
IPC: B03B5/26
Filed: 1969-04-28
Abstract: 1,261,774. Wet separation. VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT ZAVODSKOI TEKHNOLOGII SBORNYKH ZHELEZOBETONNYKH KONSTRUKTSY I IZDELY. 28 April, 1969, No. 21485/69. Heading B2H. An apparatus for washing particulate material, e.g. crushed stone, gravel, grit, metallic flux materials or ores, comprises inclined perforated troughs 1, 2 arranged in tiers, the material being fed at A to the upper end of the upper trough 1 and being transferred from the lower end thereof to the upper end of the lower trough 2 via a chute 3, the troughs being vibrated by a vibration generator 4 having out-of-balance weights 5, and washing liquid being supplied to each of the troughs by means of an arrangement of sprinklers 7. Weirs 6 adjustable in height control the depth of water in the troughs. Water from the upper trough 1 collects in sump 14 from which it is fed together with some clean water to the lower arrangement of sprinklers. From the trough 2 water flows into a receptacle 8 and is drained off by means of a pipe 15. More than two troughs may be mounted one above the other, adjacent troughs sloping in opposite directions. The apparatus is suspended from springs 9.
Patent GB-717493-A (GB)
Title: Improvements in hectographic copying machines
Inventor: BROWN ROLAND
IPC: B41L11/00
Filed: 1950-08-31
Abstract: 717,493. Duplicating-machines. BLOCK & ANDERSON, Ltd. Aug. 31, 1951 [Aug. 31, 1950], No. 21558/50. Drawings to Specification. Classes 100 (2) and 100 (3). The Specification describes, and the claims are for, a duplicating-machine having means for moving a clip for a master sheet longitudinally along the printing cylinder in which a position indicator is provided having a member whose motion is derived from the said means for moving the clip, all as described in Specification 717,492. Specification 562,502 also is referred to.
Patent GB-763581-A (GB)
Title: Improvements in and relating to hood and seat ejecting mechanism on aircraft
IPC: B64C1/32
Filed: 1955-04-15
Abstract: 763,581. Canopy and seat ejection apparatus for aircraft. MARTIN, J. and MARTINBAKER AIRCRAFT CO., Ltd. April 15, 1955, No.21573/55. Divided out of 763,580. Class 4. Apparatus for providing a time delay between the operation of a canopy release and ejection mechanism and a seat ejecting mechanism on aircraft comprises a bifurcated cable 60, 61 operated by an airman by the movement of a face protection screen, the cable 60 being connected by a loop 71 to a pivoted lever 68 formed with a tail to displace a roller 69 on a second lever 66 fast with a shaft 65. The roller 69, in the position shown in Fig. 4, prevents upward movement of a spring- loaded plunger 62 formed with a rack to engage with one pinion of a train of   gears 63 constructed as a time delay mechanism. A further lever 67 fast with shaft 65 is connected by an articulated link 73 to a sear 74 for cocking an ejection gun for the seat. Another sear 77, for cocking a gun 75 for the release and ejection of the canopy, is connected to the cable 61 and a cable 72, which may be used when it is desired to jettison the canopy without ejection of the seat. Movement of the face screen simultaneously fires the gun 75 and sets in motion the time delay mechanism which subsequently, through the linkage 66, 67 and 73 withdraws sear 74 and fires the seat ejection gun. The apparatus is cocked by a key inserted in an aperture 65a in one end of the shaft 65.
Patent GB-990715-A (GB)
Title: Improvements in rotary pumps
IPC: F04C15/06
Filed: 1963-05-30
Abstract: 990,715. Mixing flowing fluids proportionately. K. I. EDWARDH. May 30, 1963 [June 1, 1962], No. 21585/63. Heading B1C. [Also in Division F1] A rotary vane pump or motor for dispensing two different fluids, e.g. air and oxygen, in a predetermined ratio into the lungs of a patient with paralysed respiratory organs, comprises a rotor 1 abutting on two places a housing 5 having parallel portions 11, 12 and semicircular ends 6, 7 to divide the housing into two crescent-shaped chambers 22, 23 for the two fluids and having spring-urged, radially sliding vanes 3. Oxygen admitted under pressure through an inlet 13 rotates the rotor and is discharged through an outlet 14. At the same time air is sucked in through an inlet 15, discharged through an outlet 16 and mixed with the oxygen in a line 19. The rotor 1 may be adjusted in the direction of the arrows 20 to vary the ratio of the two fluids. Instead of being rotated, e.g. by the oxygen, the motor may be rotated electrically or mechanically. The sliding vanes may be replaced by hinged vanes. Instead of adjusting the rotor, the housing may be swung about a hinged lug 25, in which case the parallel portions 11, 12 of the housing would be arcuate.
Patent GB-913704-A (GB)
Title: A diuretic quinazolone compound
Filed: 1961-06-15
Abstract: The invention comprises 7-chloro-2-chloromethyl - 6 - sulphamoyl - 1,2,3,4 - tetrahydro-4-quinazolinone, and its preparation by reacting 4 - chloro - 5 - sulphamoyl-anthranilamide with chloroacetaldehyde or an acetal thereof, preferably in a solvent and in the presence of an acid as a catalyst.
Patent GB-149328-A (GB)
Title: Improvements relating to reduction gearing
IPC: F16H57/02
Filed: 1920-07-19
Abstract: 149,328. Westinghouse Gear & Dynamometer Co., (Assignees of Hodgkinson, F.). July 19, 1919, [Convention date]. Toothed gearing.-In helical toothed reduction gearing, the members 5, 5<1> of one double helical wheel, which may be driving, intermediate, or driven, are separately carried in frames 7, 7<1> mounted on flexible girders 9 supported on blocks 11 on a frame 8, itself carried by a flexible girder 12, so as to allow independent or combined movement of the members 5, 5' to equalise tooth pressure. A flexible shaft 17<1>, 17 passes freely through the members 5, 5<1> and is secured by flanges 18', 18 to hubs 15 thereon. Struts engaging the gear casing and the frames 7, 7<1> limit the free motion substantially to that in a plane at right-angles to the plane containing the gearwheel axes.
Patent GB-382658-A (GB)
Title: Telephone recording systems
Filed: 1931-07-30
Abstract: 382,658. Sound-recording circuits. STANDARD TELEPHONES & CABLES, Ltd., HILL, S. S., and THOMAS, P. R., Connaught House, Aldwych, London. July 30, 1931, No. 21753. [Class 40 (iv).] In an electrical recorder, e.g. a telegraphone, having a linear response to increasing input amplitudes (abscissµ) in a first range AB, a non- linear response in a second range BC not appreciably reducing intellegibility, and a poor response in a third range CD, a signal in the third range automatically introduces an attenuator so that the signal is reduced to the second range before recording. The arrangement is useful for recording telephone conversations of both calling and called parties at one of the substations as large variations of volume level occur in such a case. In the telegraphone recording circuit shown in Fig. 2, the line L is connected by an amplifier R and normally ineffective attenuating network N to the recording magnet M. On arrival of a signal of amplitude in range CD, or in the neighbourhood of C, a slow release marginal relay O energized by amplifier-detector AD throws the network N into the circuit.
Patent GB-712193-A (GB)
Title: Improvements in or relating to power assisted flying controls for aircraft
Inventor: MURPHY MATTHEW LEE
IPC: B64C13/00
Filed: 1951-09-17
Abstract: 712,193. Controlling aircraft. HAWKER AIRCRAFT, Ltd. June 25, 1952 [Sept. 17, 1951], No: 21810/51. Class 4 A device for exerting restoring force on a shaft 10, forming part of the control transmission of power assisted aircraft controls and having limited rotary movement, when said shaft deviates from a central position in that rotary movement, consists of a spring 15 exerting opposite torques on two sleeves 13 and 14 surrounding the shaft, each of said sleeves having a circumferential slot engaging a pin on the shaft. Abutments on the sleeves cooperate with fixed abutments, preferably contained in a housing surrounding the sleeves, in such a way that on turning the shaft, one pin, being engaged in the end of a slot in its sleeve keeps the sleeve fixed relatively to the shaft. moving the abutment on the sleeve away from its fixed abutment, while the other pin moves along its slot, the other sleeve being prevented from following up by the other fixed abutment, and being kept fixed relatively to the shaft mounting. Thus spring 15 is stressed and exerts a restoring force until the cooperating abutments are returned to engagement. The fixed abutments are made adjustable so that they engage the abutments on the sleeves as the pins on the shaft engage the ends of the slots in the sleeves, thus ensuring that there is no neutral rotation before restoring force is applied.
Patent GB-1152995-A (GB)
Title: New Formate Esters
Inventor: HEYWOOD BASIL JASON
IPC: C07C29/09
Filed: 1965-11-26
Abstract: 1,152,995. Perfumes. MAY & BAKER Ltd. 25 Nov., 1966 [26 Nov., 1965; 17 May, 1966], Nos. 50403/65 and 21839/66. Heading A5B. [Also in Division C2] A perfume base contains as an essential ingredient one or more cyclooctyl or cyclooctenyl diformates. Other conventional perfume materials may be included in the composition.
Patent GB-425035-A (GB)
Title: Improvements in apparatus for producing electrical oscillations of saw-tooth and like wave form
IPC: H03K4/16
Filed: 1933-08-03
Abstract: 425,035. Valve generating circuits. ELECTRIC & MUSICAL INDUSTRIES, Ltd., Blyth Road, Hayes, Middlesex, and CONDLIFFE, G. E., Thorncombe, Fulmer Road, Gerrards Cross, Buckinghamshire. Aug. 3, 1933, No. 21851. [Class 40 (v)] The invention relates to " blocking oscillators" producing oscillations of saw-tooth wave form controlled by received synchronizing pulses of peaked form such as employed for the line frequency and frame frequency in television reception. Its object is to preserve the sharp peaks of the synchronizing pulses and to prevent triggering of the line frequency oscillator by the frame frequency oscillator. Fig. 1 shows a known type of blocking oscillator and Fig. 2 an oscillator circuit according to the invention comprising a heptode valve. The synchronizing signals are applied between the control grid 9 and cathode ; grids 10 and 11 act as accelerating and decelerating electrodes respectively while the reactive coupling is effected between grids 12 and 13 through the usual iron-core transformer 18. 19 is the anode reservoir condenser across which the saw-tooth oscillations are produced. Grids 10 and 11 may in certain cases be dispensed with and the anode circuit may be coupled to grid 12, eliminating grid 13.
Patent GB-315725-A (GB)
IPC: F04D29/58
Filed: 1929-07-16
Abstract: 315,725. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). July 16, 1928, [Convention date]. Multi-stage compressors; regulating. - A multi - stage rotary compressor a has impellers with diameters increasing towards the pressure side and so arranged that when a small delivery only is required, one or more of the low pressure stages can be cut out. By this means the effective suction cross section is decreased and the pumping limit is lowered. The suction pipe b contains a tightly closing throttle c and the pipe below the throttle is connected to the pipe g of one of the intermediate coolers by the pipe h which includes a stop cock i. During normal working the cock i is closed and the throttle c is open; all the impellers are then in use. When working below the normal pumping limit the cock i is open and the throttle c is closed. The changes may be affected manually, or automatically in dependence upon the quantity flowing through the discharge pipe d.
Patent GB-1032663-A (GB)
Title: Improvements in or relating to agricultural and horticultural implements
IPC: A01B39/08
Filed: 1963-05-31
Abstract: 1,032,663. Agricultural implements. A. W. TURNER. June 1, 1964 [May 31, 1963], No. 21981/63. Heading A1B. An implement for cultivating or hoeing the soil around and under bushes comprises tools or cutters 15 mounted on the ends of arms 14 projecting outwardly from a central hub 13, the arrangement being such that as the implement moves over the ground with the tools or cutters engaged in the ground, movement through the ground of these tools or cutters to one side of the implement is resisted to a much greater extent than movement through the ground of the tools or cutters to the other side of the implement so that the implement rotates as it is moved over the ground.
Patent GB-703361-A (GB)
Title: Trap for drain installations
IPC: E03F5/04
Filed: 1950-09-06
Abstract: 703,361. Drainage traps. AKTIESELSKABET DOMINIA. Sept. 6, 1950 [Sept. 7, 1949], No. 21985/50. Class 33 A drain trap, adapted to be enclosed between adjacent stories of a building, has at least the lowermost portion of the flow -passage of oval cross-section of less height than width and the inner peripheral wall of the lowermost portion smoothly and continuously curved in the direction of flow. In the form shown the lowest part of the trap between the lines AA and BB has an oval cross-section and is connected to a drainage basin 10, 4he supper :and lower sides 28, 26 of which are tangential to the lowest part of the trap. A connecting piece 18 extends from the oval section at BB to a circular section at CC, at one end of the outlet pipe 20. The crosssection of the part between AA and BB may vary both in shape and area. Additional outlets from baths &c. may be connected to the basin '10. In another form described, the side 26 is convex in profile and the part 18 is of the same crosssection as the lowest portion with the change to circular section taking place in the outlet pipe 20.
Patent GB-583628-A (GB)
Title: Improvements in terminations for high tension electric cables
IPC: H02G15/06
Filed: 1944-11-09
Abstract: 583,628. Insulators. CALENDER'S CABLE & CONSTRUCTION CO., Ltd., and HOLLINGSWORTH, D. T. Nov., 9, 1944, No. 22120. [Class 36] A bush insulator for the termination of a high-tension electric cable has a longitudinally - continuous conducting layer on both the inside and the outside, the latter layer having the higher conductivity. With a builtup insulator, equalizing connections are formed at some or all of the joints, contact members 24, 31, 37 being provided to make connection with the conducting layers of adjacent sections 15-17. The bush may consist of porcelain provided with conductive glaze described in Specification 577,748 or resinimpregnated paper with metallic paint or metal foil forming the layers.
Patent GB-430945-A (GB)
Title: Improvements in zinc sulphide and processes of making the same
IPC: C01G9/08
Filed: 1934-07-30
Abstract: 430,945. Zinc sulphide. AMERICAN ZINC, LEAD, & SMELTING CO., 943, Paul Brown Building, St. Louis, Missouri, U.S.A. July 30, 1934, No. 22168. Convention date, Sept. 6, 1933. [Class 1 (iii)] Zinc sulphide is obtained by treating a zinc sulphate solution with thiosulphate, and adding a base such as sodium carbonate at a rate equivalent to the rate of reaction between the zinc salt and thiosulphate, whereby deposition of sulphur is avoided. Reaction is preferably effected at elevated temperatures with agitation using concentrated solutions of zinc sulphate and thiosulphate, and the thiosulphate solution may contain from 10- 100 mgms., of sulphide ions per litre and up to 100 mgms. of sodium sulphite per litre. The base added may contain alkali sulphide in small amount, and during the reaction equivalent quantities of zinc sulphate and thiosulphate solutions may be added at intervals. The addition of the base may be regulated by suspending electrodes of zinc and antimony in the solution and adding the base at such a rate as to maintain a potential of 600-800 mv. between them. The zinc sulphide obtained is washed and dried and may be calcined at 950-1400‹ F., if desired in the presence of sulphur.
Patent GB-1215781-A (GB)
Title: Method for producing high-purity, theoretically dense beryllium oxide products
IPC: C04B35/08
Filed: 1969-05-01
Abstract: 1,215,781. Beryllium oxide. UNITED STATES ATOMIC ENERGY COMMISSION. 1 May, 1969 [20 June, 1968], No. 22178/69. Heading ClA. Beryllium oxide powder is compressed to a body of a density in the range between 95% to 100% of the theoretical by mixing it withl ithium oxide or a material which decomposes to Li 2 O when heated to a temperature less than 950‹ C., putting the mixture into a mould, applying pressure thereto and heating at a temperature sufficient to cause a reaction between the BeO and Li 2 O to produce a liquid phase, and maintaining the pressure whilst heating until the product has the desired density and a lithium content substantially less than that of the initial mixture. The temperature of heating exemplified is 950-1000‹ C., and Li 2 O or the compound of Li, e.g. the hydroxide or carbonate, are added in an amount so that the mixture contains 0-5% by weight of Li calculated as oxide. The pressure applied may be at least 1500 psi. The body formed may be heated, e.g. at a temperature of at least 950‹ C., for a time sufficient to remove substantially the whole of the Li content by sublimation.
Patent GB-752604-A (GB)
Title: Improvements in measuring instruments for the contours of objects
IPC: B44B1/00
Filed: 1954-07-29
Abstract: 752,604. Gauges. ALLAM, P. S. (Measuring Machines, Inc.). July 29, 1954, No. 22197/54. Class 106 (2). [Also in Group XX] The contour of an object is measured by a longitudinally movable feeler rod 40 and an optical system carrier 50 is supported for pivotal movement relatively to the rod, the rod and the carrier being interconnected e.g. by a flexible steel tape 42 so that the carrier is moved about its pivot 58 in proportion to the longitudinal movement of the rod and thereby moves a light beam over a screen 20 in accordance with the contours of the object contacted by the rod. The rod 40 is supported for longitudinal movement by roller bearings 70 in a tube 33 which is mounted for rotational movement about its longitudinal axis in bearings 100, 101 on a bed plate 30. The object to be gauged is mounted for movement in three directions at right angles on slides adjacent the point 41 of the rod 40. The carrier 50 is pivoted at 58 between a pair of brackets 36 secured to the tube 33 and has a curved surface 52 whose centre of curvature coincides with its pivot and the flexible steel strap 42 secured at 81 to the feeler 40 extends tangentially over the curved surface and is secured to the carrier at 85, means 87 for adjusting the strap being provided. A spring 53 urges the feeler rod 40 into constant engagement with the object being gauged. The carrier 50 is provided with a barrel 51, a light source 60, lenses 54 and diaphragms 55, spaced by sleeves 56. The screen 20 may be supported on racks engaging pinions mounted on the bed 30 so that its position for focusing may be adjusted and the screen may also be moved longitudinally along guides 98. To locate the image initially or to change the region of indication the tube 33 and carrier 50 may be rotated about the longitudinal axis of the tube by worm-drive 103, 104. An embodiment is described wherein two such instruments are utilized for simultaneous gauging of two sides of an object. The screen 20 may be replaced by photo-sensitive means.
Patent GB-322201-A (GB)
Title: Improvements in suspending auxiliary supports for wire mattresses
IPC: A47C23/057
Filed: 1928-07-31
Abstract: 322,201. Brandreth, C. A,. July 31, 1928. Mattresses.-The flexible straps 4 by which a mattress reinforcing device is secured to the mattress frame 5 are connected to the frame 1 of the reinforcing device by hooked projections 6 stamped from or attached to the said frame. In a modification, opposed pairs of hooks 8, 9 are used with the strap arranged as in Fig. 3.