baber/WOPTO huggingface dataset:
Patent GB-186556-A (GB)
Title: Telephone call distribution system
IPC: H04Q3/00
Filed: 1922-02-07
Abstract: 186,556. Western Electric Co., Ltd., and Deakin, G. Feb. 7, 1922. Automatic exchange systems.-In a call-finder system employing first and second line-finders, a single test relay in the first line-finder circuit serves both to test for and stop the brushes on the calling line terminals and to hold the calling line busy, the latter function being under the control of the line relay and of the second linefinder circuit. The cut-off relay provides a path for the second line-finder testing circuit, the resistance and impedance of which is low for testing but, after testing, is increased by the operation of the cut-off relay, thus reducing the current consumption and allowing tests for simultaneous double connection to be made at the second linefinder. Upon the operation of line relay 1 when the subscriber S removes his receiver, potentials are placed upon test terminal 15 over one winding of cut.off relay 2 in parallel with a non-inductive resistance 25, and upon test terminal 16 in series with a resistance 24, whilst at the same time the common-starting relay 3 operates to close the circuits of the power magnets 4 of all idle first line-finders. The first finder to reach the calling line has a circuit completed for the high-resistance winding 26 of its test relay 6 over busy jack 5 and the test terminal 16. Relay 6 energizes and breaks the circuit of power magnet 4 to stop the brushes upon the calling line. At the same time, the high-resistance winding 26 is shunted by the low-resistance winding 27, thereby lowering the potential on terminal 16 to mark the calling line busy. Common starting relay 7 energizes in series with winding 27 to energize the power magnets 9 of all idle second line-finders. As soon as a second finder reaches the terminals of the first finder to which the calling line is connected, its test relay 10 energizes in a circu t 22, 20, 19, 6, 15 and the left-hand winding of cut-off relay 2 to stop the brushes and to hold the first finder busy by closing a lowresistance circuit through its left-hand winding. Cut-off relay 2 also energizes and first closes a contact 11 to increase the resistance of the test circuit by including its right-hand winding therein, and then opens contact 12 to cut off the line relay 1. De-energization of the relay 1 releases relay 7, but relay 6 remains energized over its right-hand winding. In the event of two first line-finders simultaneously seizing the calling line, one of these will usually be seized by a second line-finder before the other, and the latter will be re.eased as soon as the line relav 1 is cut off; if however, both of these first finders are simultaneously seized by two second finders, the increase in the resistance of the test circuit after testing as explained above is sufficient to prevent two marginal test relays 10 from remaining energized over their left-hand windings and, upon the opening of sequence switch contact 22. one or botl. of these relays will release.
Patent GB-190053-A (GB)
Title: Storage battery grid
IPC: H01M4/72
Filed: 1922-02-07
Abstract: 190,053. Garrett, A. O., Funnell, C. E., and Hoffman, W. L. Feb. 7, 1922. Electrodes.-A grid comprising the usual rectangular frame and vertical and horizontal bars 6 is provided with oblique bars 7, 8 having unfilled slots 7<a>, 8<a> throughout their length so as to allow expansion of the active mass and divide the plate into separate sections A, B, C. One bar 8 may be connected to the side 2 at about one-third of its height from the bottom, and the other bar 7 may be connected to the middle point of the block 9<a> projecting inwardly at a corner of the frame from a terminal connection 9.
Patent GB-468615-A (GB)
Title: Improvements in speed governing apparatus for injection internal combustion engines
IPC: F02D1/00
Filed: 1937-02-06
Abstract: 468,615. Speed governors. BOSCH AKT.-GES.,R. Feb. 6, 1937, No. 3566. Convention date, Feb. 8, 1936. [Class 57] The rack 2 of a fuel-injection pump is connected to a spring-loaded piston 5 exposed to the pressure in the air induction pipe 6 of the engine. When the throttle valve 12 is almost closed and the engine is running at a low speed under light load, pressure variations occur in the pipes 6, 7 and to reduce these a byepass 15 is provided around the valve 12 and is fitted with a spring-loaded valve 16. Alternatively, a spring-loaded valve may be fitted on the valve 12 or may be fitted in the wall of the pipe 6 to admit atmosphere to the space between the valve 12 and the engine.
Patent GB-637801-A (GB)
Title: Composite aircraft
IPC: B64D5/00
Filed: 1947-02-06
Abstract: 637,801. Composite aircraft. ROBERT, R. A. Feb. 6, 1947, No. 3596. Convention date, Feb. 11, 1946. [Class 4] In a composite aircraft the nose of the fuselage of the auxiliary component 10 engages the rear of the nacelle 18 of the main component and its wing tips 12, 13 engage flared guides 33, 34 in the twin booms 27, 29 of the main component. As shown in Fig. 3, the rear portion of the nacelle 18 comprises a shock-absorber tube 41 which can be projected from the nacelle for engagement by the nose of the auxiliary aircraft when the latter is re-assembled with the parent craft for refuelling or other purposes. The inner portions of the twin booms and the portion 25 of the main plane between them are hinged on a transverse axis X-X. The tail plane 30 and elevator 52 extend between the tops of the fins 31, 32 of the main component. In an alternative construction, the nose of the auxiliary aircraft engages parallel guides on the parent craft.
Patent GB-1325595-A (GB)
Title: Steering network
IPC: G09G1/12
Filed: 1970-01-26
Abstract: 1325595 Sequencing circuits TEKTRONIX Inc 22 July 1970 [28 July 1969] 3643/73 Divided out of 1325594 Heading H3T [Also in Division H1] A switching circuit for operating a number of transistors 81-88 (Fig. 4) in sequence comprises series impedances 98 arranged between terminals 94 and 96 and with their junctions V 1 -V 8  connected to the transistor bases, each point also being connected via an impedance 100 to earth. It is shown that when suitable ramp currents 90, 92 of the same sign but of complementary value are supplied to 94, 96 the points V 1  to V 8  will in turn reach a maximum value sufficient to turn on the associated transistor. As described, each transistor 81 &c. is in fact a triplet of transistor devices forming part of an integrated circuit, the emitter of each device being fabricated in parts and connections being made from current source I E  to a selected number of these parts as shown in Fig. 2, so that the output currents I<SP>1</SP> x , I<SP>1</SP> y , I<SP>1</SP> z  are in a predetermined proportion. Currents I<SP>1</SP> x , I<SP>1</SP> y  are used to position the spot of a C.R.T. at a desired position so that as the successive triplets are brought into operation the spot moves to a succession of points to trace an alphanumeric symbol. By suitable choice of component values in Fig. 4, the switching of successive triplets overlap (as indicated in the Figure) to cause a more-or-less smooth spot motion. Fig. 11 illustrates an alternative circuit in which n currents I are provided by each of sources 236-242, and 244 and 246 provide a sink for (n - 1) I, the remaining current (I) passing through one of the diode-connected transistors 248-254. The currents taken by 244 and 246 are varied (complementarily) in ramp manner and each transistor 248 &c. is conductive in turn, the voltage across it switching the associated transistor I 1 -I n  (which also is in practice a triplet). Figs. 9 and 10 illustrate part of an integrated circuit realization of a number of sets of transistor triplets (each set representing a character capable of display). Conductors 208 &c. pass, in each horizontal line, over a triplet to which the part emitter connections are made in the desired pattern by pre-removal of an oxide coating using a mask. P-type base diffusion areas 204 are provided with connections 290, and N-type emitter diffusions 206 are made into the base areas. Conductors 202 provide collector contacts to an N-type epitaxial layer 200 formed on a P-type substance with a conventional N+  buried layer between them.
Patent GB-1139451-A (GB)
Title: Improvements in and relating to rotary positive displacement pump
IPC: F04C2/344
Filed: 1966-01-27
Abstract: 1,139,451. Rotary pumps and motors. R. DARDEL. Jan. 27, 1966 [Feb. 4, 1965] No. 3692/66. Heading F1F. A rotary hydraulic pump (or motor) of the axially-sliding abutment type, comprises a rotor 2, Fig. 1 splined to a shaft 3 for rotation in a body 1 and formed at its ends with face cams 51, 52 which with the adjacent plane end faces of plates 6, 7 secured to the body define working chambers which on rotation of the rotor are swept by axially-sliding abutments 53, 54 diametrically disposed in axial slots in the plates 6, 7 and urged by annular springs 56 into abutment with the face cams. The springs 56 which are pre-stressed are formed with diametral notches 56a engaged by studs 83 which permit the springs to rock about a diameter and so prevent any stress variation in them. The face cams 51, 52 are each formed with three plane crests c, Fig. 9 spaced 120 degrees apart in sliding engagement with the end faces of the plates 6, 7 and three plane hollows d midway therebetween connected to the crests by helical arcs a, b with the crests on the one cam face in axial alignment with the hollows on the other cam face to form six working chambers, three at either end of the rotor so that on each revolution of the rotor there are twelve discharges of hydraulic fluid when operating as a pump. The arrangement being such that when flow from one chamber is decreasing the flow from another chamber is increasing to give a continuous and substantially constant non-pulsating discharge. An inlet port (34), Fig. 3 (not shown) opens into an arcuate conduit (36) connected at opposite ends to axial ducts (37) whose opposite ends in turn are connected to ports (38), Fig. 12 (not shown), opening into the working chambers at locations just aft of the abutments 53, 54 in the direction of rotation of the rotor. Similarly ports (48) at location just forward of the abutments 53, 54 are connected by ducts (47), arcuate conduit (46) to an outlet port (44). This arrangement of ports and passages and working chambers gives hydraulic balance of the rotor both axially and radially. Grooves 71 in the abutments permit liquid flow therealong to assist the springs 56. Leakage flow on the outer periphery of the rotor and between it and its shaft is automatically conducted through circumferential grooves 61 and 67 Fig. 9, respectively to the suction chambers.
Patent GB-104884-A (GB)
Title: Improved Reversing Mechanism for Internal Combustion Engines.
Inventor: HESSELMAN KNUT JONAS ELIAS
IPC: F01L13/02
Filed: 1917-03-15
Abstract: 104.884. Hesselman, K. J. E. March 14, 1916, [Convention date]. Starting; reversing.- Engines started by compressed air admitted through a separate valve have their starting, normal admission and exhaust, and fuel valves actuated by separate cams through reversing- gear comprising one or a pair of oscillating distance-pieces such as 3, upon which bears a valve-rod 7 connected at its lower end by a link 9 and arm 11 to a shaft 10 carrying a toothed quadrant 14 gearing with a wormwheel 13. For starting in a forward or backward direction, the arms 11 occupy one of the extreme positions a c, d c, the arms assuming an intermediate position b c, e c when the engine runs under its own power. Projections which engage the rollers on the rods of the fuel and starting valves are formed on the ends of the distance-pieces remote from the shaft 1. Each pair of distance-pieces may be formed in one piece, or they may be mounted on separate shafts. The reversing-shaft 10 may control the fuel pump.
Patent GB-306817-A (GB)
Title: Improvements in brakes for spinning and like spindles
IPC: D01H7/22
Filed: 1929-02-05
Abstract: 306,817. Barmer Maschinenfabrik Akt.-Ges. Feb. 25, 1928, [Convention date]. Disc. - A brake for spinning and twisting spindles comprises a disc n splined on the driving-wharl and normally maintained apart from an abutment p on the bearing-sleeve c by means of a weak spring o but adapted to be pressed thereagainst by rollers m on a hand lever.
Patent GB-1122315-A (GB)
Title: Improvements in and relating to a stand for foodstuffs
IPC: A47G23/08
Filed: 1967-01-26
Abstract: 1,122,315. Food stands. E. C. COUSER. 26 Jan., 1967, No. 3927/67. Heading A4H. A multi-tier stand comprises a plurality of trays 9 having sleeves 8 rotatably mounted on a cylindrical support 2, and a plurality of transparent covers 11 which are clipped around projections 10 on the trays. One of the trays may have apertures or recesses for the reception of containers.
Patent GB-1506148-A (GB)
Title: Driving mechanisms including a sheartype fluid coupling
IPC: F16D35/00
Filed: 1975-03-04
Abstract: 1506148 Hydraulic couplings SMITHS INDUSTRIES Ltd 4 March 1975 [28 Jan 1974 7 May 1974 21 June 1974] 03939/74 20069/74 and 27609/74 Heading F2W In a viscous shear-type fluid coupling for driving an engine cooling fan wherein a shear space 16 is formed between coaxial cylindrical surfaces on a drum 10 fast with a driving shaft 11 and a housing 15 carrying fan blades 19, the shear fluid contains an anti-creep additive, e.g. carbon black. The shear space may additionally form a fluid bearing between the drum 10 and housing 15. Thrust rings 20 may be provided between end walls of the drum and housing the thrust ring may be made of PTFE, asbestos or rubber-bonded cork. The cylindrical surface of one of the elements, preferably drum 10, may be a porous sintered metal surface which is impregnated with the shear fluid, e.g. a silicone fluid. The thickness of the fluid film between the cylindrical surfaces is between 0À005 and 0À010 inch. The casing 15 is provided with cooling fins 21.
Patent GB-667320-A (GB)
Title: Improvements in and relating to hammers
IPC: B25D1/02
Filed: 1950-02-16
Abstract: 667,320. Hammers; handle fixings. KAHLEN, J. W. Feb. 16, 1950, No. 4045/50. Classes 61 (i) and 61 (ii). In a hammer having a tubular body provided at one or each end with a striking head of steel or plastic material, the body contains a charge of irregularly shaped heavy particles to prevent recoil and eliminate vibration in use. Particles of steel, brass or hard lead alloy are introduced into the tube 19 through a tapped hole 22 provided in one of the plugs 20 which close the ends of the tube the hole being closed by a pin 23. Each head 11 is bored at 16 to receive one of the pins 15 which project from the ends of the body. A wedge 32 is partly inserted into a slot at the end of the handle which is hammered into the ferrule 31 until the wedge strikes the body 10.
Patent GB-1327549-A (GB)
Title: Coil handling apparatus
IPC: B65H19/30
Filed: 1972-01-28
Abstract: 1327549 Handling web rolls MIDLANDROSS CORP 28 Jan 1972 [29 Jan 1971] 4137/72 Heading B8R Apparatus for removing wound coils 8 and associated spacing collars from a mandrel 9 and for stacking the coils into a compact package comprises a stripping implement 4, a coil gathering machine 5 and an upender 6. The coil-mandrel assembly is supported in the implement 4 by a latch 18 and by an hydraulic lift platform 15 which engages the under surfaces of the coils 8. The machine 5 comprises a probe 17 which is pivotable about a vertical axis and which co-operates with the mandrel 9, the mandrel and the probe being in coaxial and longitudinally separable relationship. In operation, the probe 17 is moved to engage the mandrel 9 through the medium of an adaptor (24) Figs. 1, 2 and 4 (not shown); the platform 15 is first lowered; a pusher 19 is operated so that one coil 8 is positioned on the probe 17; the platform 15 is then raised to support the mandrel coil assembly; and the probe 17 is retracted to allow removal of the spacing collars. This sequence is repeated until all the coils are supported in juxtaposed relationship on the probe 17, which can then be swung about its vertical axis to deposit the coils on the upender 6 (Figs. 8 to 11, not shown).
Patent GB-1274433-A (GB)
Title: Method for combating unwanted weeds
IPC: A01N43/40
Filed: 1970-01-28
Abstract: 1,274,433. Combating wild oats with a fluoropyridine derivative. IMPERIAL CHEMICAL INDUSTRIES Ltd. 28 Jan., 1970 [31 Jan., 1969], No. 4153/70. Addition to 1,161,491. Heading A5E. A method of combating wild oats in wheat or barley crops comprises applying to the locus, at a rate of between 7 and 112 milligrams per square metre, 2,6-difluoro-3,5-dichloro-4-hydroxy-pyridine or a salt thereof. Examples also disclose the use of the pyridine compound in admixture with 2,4-D potassium salt.
Patent GB-106076-A (GB)
Title: Improvements in Apparatus for Heating the Fuel for Combustion Engines.
Inventor: KILBURN BERTRAM EDWARD DUNBAR
Filed: 1917-03-23
Abstract: 106,076. Kilburn, B. E. D., (Sulzer frÞres, Soc. Anon.). March 23, 1917. Cylinders receiving liquid fuel.- Heavy oil is heated before it reaches the injection pump by hot water at starting and afterwards by the exhaust as well. The Figure shows an engine supplied alternatively with two qualities of oil from tanks g and h respectively. The discharge pipes i, k are surrounded by hot-water jackets l, m. Either oil is conveyed to the injection pump b through a pipe p which contains a heating section q around which exhaust gases may be directed by throttle valves r in the branch exhaust pipes s. By means of a hand pump o and a pipe m at starting, oil may be circulated through the pipe k.
Patent GB-754849-A (GB)
Title: Improvements in or relating to electron guns for producing electron beams
IPC: H01J29/48
Filed: 1954-02-12
Abstract: 754,849. Ion-trapping in cathode-ray tubes. GES. ZUR FORDERUNG DER FORSCHUNG AN DER EIDG TECHN. HOCHSCHULE. Feb. 12, 1954 [Feb. 13, 1953], No. 4260/54. Class 39 (1). An electron gun comprises a cathode 71, Fig. 3, and control electrode 73 having parallel planar portions, and an anode 74 inclined to said planar portions by such an angle that positive and negative ions generated by collision between the electron beam and residual gas molecules follow paths separate from the electron beam and are collected by the control electrode 73 and anode 74 respectively, the ion trapping being effected in the absence of a magnetic field. The primary object of the invention is to eliminate positive ion bombardment of the cathode. The planes of the anode and control electrode are preferably but not necessarily inclined in opposite directions relative to the tube axis, as shown.' An ideal relationship is given between #<SP>a</SP> (the angle between the planes) and #a (the angle between the final beam direction and anode plane). Slight inaccuracies in the angle of emergence #a can be corrected by providing screens 76; 77 at cathode or control electrode potential and anode potential respectively and in suitably choosing the length 78 of screen 77 on the cathode side of anode 74. The larger the angle #a the more positive ions are collected by the control electrode but a compromise is necessary because the beam of electrons should reach the tube axis approximately in the plane of the anode aperture. The tubular cathode 71 with heater helix 72 is preferably highly emissive, the invention then being most advantageous in preventing positive ion bombardment of the cathode; 75 is a limiting stop placed at the crossover point of the beam, and the curved part of control electrode 73 assists the initial focusing. The gun may function as a cylindrical or spherical lens, preferably the latter. Fig. 2 (not shown), depicts in diagrammatic form a gun similar to that of Fig. 3, but without screens 76, 77, and in another form, Fig. 1 (not shown), the cathode and control electrode are both planar and are arranged in parallel planes, and a magnetic lens focuses the crossover, which occurs between the control grid and anode, on to the fluorescent screen. The invention is also applicable to cathoderay tubes in which the target is a deformable oil film, a visible image being projected on to a viewing screen by means of a Toepler- Schlieren optical system, while the negative ions are trapped by the gun, they would not deleteriously affect the oil film. Specification 678,307, [Group XL (b)], is referred to.
Patent GB-513630-A (GB)
Title: Improvements in electric insulating materials and electric cables manufactured therewith
IPC: H01B3/44
Filed: 1938-02-12
Abstract: 513,630. Cables. HENLEY'S TELEGRAPH WORKS CO., Ltd., W. T., and TUNSTALL, H. A. Feb. 12, 1938, No. 4465. [Class 36] [Also in Group IV] An electric cable is covered by extrusion with a dielectric consisting of a material made by mechanically mixing polystyrene and polyisobutylene having an average molecular weight above 50,000, and subjecting the mixture in the later stage of or after extrusion on to the cable to mechanical working at a temperature below the softening point of the polystyrene to produce flexibility. The mechanical working may be effected by causing the wire to travel forward at a speed in excess of the speed of extrusion so as to draw out the covering tube of the material from the extruding die.
Patent GB-1389661-A (GB)
Title: Method and apparatus for sampling a liquid
IPC: G01N1/10
Filed: 1971-02-12
Abstract: 1389661 Sampling liquids R W JONES 11 May 1972 [12 Feb 1971 29 Dec 1971] 4543/71 and 60594/71 Heading B8N Apparatus for sampling a liquid, e.g. flowing along a channel comprises a container 31 for immersion in the liquid, a liquid inlet 32 to the container 31, and gas outlet means, for restricting the outflow of gas from the container 31, and defining a gas release port. The container 31 is held at a fixed position in the liquid by a post 53 and is initially filled with gas under pressure through a valve 51 and tube 49. Liquid then enters through the inlet 32, forcing the gas out through a capillary tube 37 defining the gas outlet means, the gas entering a vertically adjustably positioned venting tube 38 prior to escape through a hole 46 when the tube 38 has been filled with gas to a level 54c. Alternatively, Fig. 2 (not shown), the venting tube (85) may open above the liquid surface so that gas escapes directly through the tube 37, the rate of flow into the container 31 being adjusted by altering its depth below the liquid surface rather than adjusting the venting tube level. (For Figure see next column.)
Patent GB-602302-A (GB)
Title: Improvements in and relating to hydrants
IPC: F16L37/113
Filed: 1945-09-27
Abstract: 602,302. Valves hydrants. SIGMUND PUMPS (GREAT BRITAIN), Ltd., and SIGMUND, M. Sept. 27, 1945, No. 4582/48. Divided out of 602,279. [Classes 69 (i) and 135] A valve unit for a hydrant comprises a hollow cone 11, the base of which faces the inlet and which has formed thereon a beaded flange 13 that is forced on to a valve seat 4' by the pressure of the water and a spring 15. The valve, which is axially guided by a stem 12 sliding in a fixed boss 10, is opened by turning a screw-threaded spindle 30. The construction of the hydrant forms the subject-matter of Specification 602,279.