baber/WOPTO huggingface dataset:
Patent GB-1393062-A (GB)
Title: Apparatus for delivering a liquid
IPC: B67D7/22
Filed: 1973-04-11
Abstract: 1393062 Fuel dispensing apparatus OXY METAL FINISHING CORP 11 April 1973 [2 May 1972] 17495/73 Heading A4T Apparatus for delivering a liquid e.g. petrol comprises a reservoir 1, a pump 2, a flowmeter 8 that controls a display system 10 for indicating the volume of liquid delivered and the corresponding cash to be paid, a delivery nozzle 6 and a valve 3 for checking the delivery rate thereof by means of a manually actuated control device 5 in the nozzle wherein the flowmeter and/or display system are part of or enclosed in the delivery nozzle. The pump 2 draws fuel from the reservoir 1 and feeds it via the valve 3 and pipe 4 through the flowmeter 8; the flowmeter operates a detector or counter 9 which feeds a signal to the display system 10 which may comprise read-out dials 11, 12 or electronic or electro-mechanical read-out elements. The liquid flow-rate control device 5 comprises a trigger and controls, electrically, the opening of the electro-valve 3 dependent upon the pressure applied to the trigger. A knob 18 is provided in the nozzle for pre-setting the computing and display system 10 to a predetermined quantity of e.g. petrol, the valve being automatically closed after this quantity has been dispensed. A second computing and display system 21 may be remotely located from the petrol pump and electrical circuits controlled by a knob 22 are provided for altering the price indications of the dial 12. The various electrical devices in the nozzle can be energized by means of dry or rechargeable batteries. Electric cables 20, 23 between the nozzle and the remote display system 21 may be dispensed with, the signal being transmitted therebetween via a radio transmitter and receiver system.
Patent GB-313492-A (GB)
Title: Improvements in or relating to rotary pumps
IPC: F01C21/08
Filed: 1929-06-07
Abstract: 313,492. Axien, J. H. June 12, 1928, [Convention date]. Fixed-abutment type.- The diametrical vane i of a rotary pump is formed midway of its length with a transverse cylindrical sleeve k, which slides on a cylindrical plug h transversely pivoted on a stud g concentric with the pump casing; the vane is thus actuated independently of the peripheral wall of the casing. The rotor is provided with a flange extending inwardly to form an annular oil chamber into which the cylindrical plug h dips, the latter being formed with conical bores m. to permit oil to pass to the pivot stud g.
Patent GB-1032894-A (GB)
Title: Improvements in and relating to electrical systems
IPC: H04N3/30
Filed: 1963-05-03
Abstract: 1,032,894. Pictorial communication systems. PHILCO CORPORATION. May 3, 1963 [May 3, 1962], No. 17559/63. Heading H4F. A document 142, Fig. 1, is scanned by a cathode-ray tube flying-spot scanner 132 having a screen formed of red, green and blue phosphor strips 134, 135, 136 and a spot sufficiently broad to embrace all three strips, whereby adjacent parallel lines 134a, 135a, 136a on the document are scanned simultaneously and corresponding signals produced in red, green and blue responsive photo-multiplier tubes 166, 167, 168. Scanning proceeds in steps such that after a traverse of three elemental areas occupying three units of time there is a wait of six units of time. Within this total of nine units, the simultaneous signals from the photo-tubes are rearranged with the aid of delay lines and gate systems 170, 171, 172, 174 to form at output 175 a continuous train of elemental signals representing the nine elemental areas (3 in each of lines 134a, 135a and 136a) and taken in the sequence 134a, 135a, 136a, 134a, 135a &c., Fig. 3 (not shown). Actuation of the gates is controlled by a gate signal generator 178 which is triggered by a synchronizing source 156 which times the operation of a line scan generator 148 and a document transport mechanism 152. Reproduction is effected at a receiver, Fig. 4 (not shown), with the aid of a photographed cathode-ray tube having a single beam which is scanned so as to duplicate the effective scanning path, Fig. 3A (not shown), which is simulated at the transmitter. It is possible for the scanning of tube 132 to proceed continuously with the aid of a more complex delay line and gate system.
Patent GB-1358000-A (GB)
Title: Motor vehicle braking circuits
IPC: B60T8/26
Filed: 1972-04-17
Abstract: 1358000 Brakes FIAT SpA 17 April 1972 [28 April 1971] 17717/72 Heading F2F An hydraulic braking system having separate circuits 3, 8, 9 and 4, 12, 14 for front and rear braking circuits, and a pressure reducer 13 in the rear brake circuit, incorporates a control device 5 which serves to direct full pressure from the "rear" part of the master cylinder 1, via line 16, to the rear brakes when the front wheel circuit fails. The control device has a stepped sliding piston 26 biased to the right by spring 36 so as to prevent sealing disc 35, on the narrow end of the piston, sealing orifice 22 leading to the rear wheel master cylinder part. In normal use, leftward differential pressure closes this orifice to prevent flow of rear-brake fluid direct to line 16, by-passing the pressure reducer. If the front pressure fails, the piston will not move leftwardly and full rear pressure is applied through connector 39 and line 16 to the rear brakes. A slight modification of the sliding piston is described (Fig. 3, not shown).
Patent GB-987707-A (GB)
Title: Magnetically controlled switching circuits employing transistors
IPC: H02M7/538
Filed: 1962-05-08
Abstract: 987,707. Transistor pulse-generating circuits; circuits employing bi-stable magnetic elements. HOOVER CO. May 8, 1962 [May 9, 1961], No. 17729/62. Headings H3B and H3T. A pulse-generating switching circuit comprises a transistor, a rectifier diode and a saturable core transformer, the diode being connected in series in the emitter-collector path of the transistor in a direction to conduct forwardly when the transistor is conducting, a first winding of the transformer being connected in parallel with the diode and a second winding being connected between emitter and base of the transistor, the two windings being coupled regeneratively so that on the transistor commencing to conduct the current flow in the first winding induces a voltage in the second winding biasing the transistor into saturation, current through the first winding increasing until the core saturates whereupon by further regenerative action the transistor is switched off, and means being provided for applying a current to a third winding of the transformer to reset the core, after it has saturated as described above, to its original state and thereby permit a further cycle of operation of the circuit to take place. In the basic circuit shown in Fig. 1, feed-back from winding 7 to winding 9 causes the transistor to saturate and the resultant current flowing through diode 2 establishes a substantially constant voltage across the winding 7 so that current therethrough increases linearly until the core saturates, whereupon the transistor switches off. The core may then be restored to saturation in the opposite polarity by application of a suitable current to winding 10. Figs. 2, 3 and 4 show free-running oscillatory circuits in which the circuit initiates its own re-set pulse. In Fig. 2, when the transistor switches off, current flowing through primary winding 25 of output transformer 26 is diverted to flow through diodes 28, and re-set winding 23 in parallel with diode 29. In Fig. 3 regenerative action ensuing upon change of saturation of core 52 and tending to switch the conductive transistor off also switches the non-conductive transistor on. Fig. 4 shows a bridge network in which transistors 65 and 86 alternately conduct with transistors 66 and 85.
Patent GB-482574-A (GB)
Title: Improvements in or relating to metal keys for securing railway rails in their supporting chairs
IPC: E01B9/58
Filed: 1936-06-26
Abstract: 482,574. Railway-chair keys. MILLS, Ltd., EXECUTORS OF J., and MACBETH, A. June 26, 1936, No. 17754. [Class 104 (ii)] [Also in Group XXII] A railway-chair key is made of wire. rod, or bar with the grain of the metal running longitudinally of the wire &c. as drawn or rolled, the wire &c. being of a diameter or thickness not exceeding over half the height of the rail web, and being bent to form a key of open shape, and comprising at least one outer portion 35 in longitudinal contact, with the chair jaw 36, two inner portions 28 engaging the web and fishing angles of the rail, and transverse or lateral struts 38 connecting the inner and outer portions. Several embodiments of these features are described.
Patent GB-458438-A (GB)
Title: Improvements in or relating to precision sizing devices for machines for cutting paper and other sheet materials
IPC: B26D7/01
Filed: 1935-06-20
Abstract: 458,438. Positioning sheets in a cutting- machine. STRACHAN & HENSHAW, Ltd., Whitehall, FOWERAKER, T. S., 1, Redcliffe Street, TAYLOR, F. R. F., Whitehall, and ROBERTSON, J. R., 1, Redcliffe Street, both in Bristol. June 20, 1935, No. 17775. [Class 31 (i)] [See also Group XVI] A sheet or pile of sheets of paper &c. to be trimmed to size particularly by a guillotine machine is fed forward to engage a stop and move it a predetermined distance, and the knife is then operated. In one form, Fig. 1, a pile of sheets 11 is fed forward manually by a back fence 12 until it engages the sensitive point 10 of a dial indicator 9 ; it is then fed further until the dial shows a desired reading. The dial 9 is then swung to an inoperative (dotted-line) position and the knife 14 operated, the cut-off paper &c. removed and the dial returned. The rod 7 carrying the dial 9 is adjustable by a clamp 5, 6. In a modification, Fig. 3, the stop comprises a spring-pressed pawl 21 co-operating with a dial indicator 9 and projecting through a slot 16 in the table 1. The pawl 21 and dial 9 are carried by a sleeve 17 adjustable by a screw 18. In a further modification, the pawl 21 operates a valve so that the back fence is automatically stopped by pneumatic means at a predetermined point. In another modification, the pawl breaks two electrical circuits to stop the back fence ; one circuit operates a motor which drives a screw 36, Fig. 7, and the other controls a co-operating nut attached to the back fence and formed in two parts 38, 38<1> normally held apart by a spring 39 so as not to engage the screw but movable together by an electromagnet 40 in the second circuit.
Patent GB-569767-A (GB)
Title: Improvements in or relating to variable electric condensers
Filed: 1943-10-28
Abstract: 569,767. Variable condensers. OXLEY, R. F. Oct. 28, 1943, No. 17783. [Class 37] In ceramic condensers, metal &c. is deposited in one or more areas on the non-rotating base plate, in addition to the electrode, so that the ceramic rotor-plate can seat itself accurately. The additional deposit or deposits are not electrically connected with the electrode.
Patent GB-724497-A (GB)
Title: Improvements relating to filters
IPC: B01D35/20
Filed: 1953-06-26
Abstract: 724,497. Filters. TURBELIER, R. P. R. June 26, 1953. [June 27, 1952; Oct. 7, 1952] No. 17783/53. Class 46. Liquid, e.g. solvent from a .dry-cleaning or dyeing &c. operation and containing solid coagulant and impurities is introduced into a dome 3 at 4 and distributed by a baffle 5 over the inlets 10 of a number of fabric sleeves 7 somewhat slackly mounted between perforate plates 2a, 2b in a drum 1. The inlet pressure causes filtrate to be discharged at 12 while the remaining liquid together with sludge from the sleeve interiors collects in a conical base 6 until discharged by opening of valve 13a. The slack mounting of the sleeves, together with provision of deflectors 14 which deflect the entering liquid against the inner wall of the sleeves, cause the sleeves to pulsate and thus automatically clear themselves of sludge during operation. Each end of a sleeve is secured between a washer 9 and the plate 2a or 2b by engagement of a nut 11 with a nipple 10 screwed into the washer 9. A suction effect is produced by making the outlet nipples 10a smaller than the inlet nipples 10, the latter preferably ranging in diameter from four to six millimetres.
Patent GB-895488-A (GB)
Title: Improvements in or relating to hook devices for securing carpets
IPC: A47G27/04
Filed: 1959-05-26
Abstract: 895,488. Securing carpets to floors. GLOVERBINGHAM, F. C. Sept. 14, 1959 [May 26, 1959], No. 17846/59. Class 142(4) [Also in Group XXV] A carpet securing member comprises an apertured plate 1, which fits over a nail in the floor, and two pivotally mounted hooks 7, 8 which hook into the carpet and may be displaced 90 degrees to secure a carpet corner.
Patent GB-1235782-A (GB)
Title: Method of improving strains of chickens
Inventor: MERAT PHILIPPE PIERRE JEAN-BAP
IPC: A01K67/02
Filed: 1969-04-08
Abstract: 1,235,782. Breeding chickens. INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE. 8 April, 1969 [5 April, 1968], No. 17891/69. Heading A1M. A method of producing normal cooking chickens, more economically than by existing methods, makes use of a sex-linked recessive dwarfism gene. The method comprises the steps of: 1) Crossing females of a cooking breed of poultry with cocks of small size carrying a sex-linked recessive dwarfism gene. 2) Interbreeding the chickens obtained by the first crossing and retaining all the dwarf offspring, so as to establish a basic breed by further interbreeding. 3) Coupling dwarf hens with any breed of normal cocks to produce a chicken of normal size.
Patent GB-881956-A (GB)
Title: Improvements in or relating to demountable electrical connections
Inventor: BENTLEY LAWRENCE CRANMER
IPC: H02G15/10
Filed: 1958-06-05
Abstract: 881,956. Two-part couplings. BUSH & RANK CINTEL Ltd. June 4, 1959 [June 5, 1958], No. 18020/58. Class 38 (1). A demountable connection for electric cables comprises a conductive stud abutting a contact member on the end of the conductor of a cable, an insulating sleeve surrounding them and a deformable insulating tube urged, by axial force, into close contact with the contact member, the surface of the sleeve and the insulation of the conductor. As shown, conductors 6 of two coaxial cables 1, 2 having braided sheaths 4 and insulating layers 5 are inserted and clamped in contact members 9, 10 abutting male and female parts 11, 12 of a contact stud disposed within a body portion 25 which also contains an insulating sleeve 14 and deformable insulating tubes 15, 16. Threaded cups 21, 22 mounted on the ends of the body 25 apply pressure to bushes 19, 20 to damp the splayed sheath 4 against pierced cups 17, 18 and compress the insulating tubes 15, 16 so that their surfaces are in close contact with the contacts 9, 10, the insulating layer 5 and the insulating sleeve 14. The connection is mounted through a bulkhead 28 and gaskets 33, 34 provide a seal. The connector may be in two parts and used at the termination of a cable or at the junction of two or more cables.
Patent GB-371674-A (GB)
Title: Improvements in and relating to smoking pipes
IPC: A24F1/08
Filed: 1931-06-22
Abstract: 371,674. Tobacco pipes. COPELL, D., 172, States Avenue, Atlantic City, New Jersey, U.S.A. June 22, 1931, No. 18064. [Class 130.] A chamber 4 in the stem of a tobacco pipe houses a nicotine trap 9 provided with a hinged lid 10. In a modified construction, the hinged lid may also form part of the stem of the pipe. Absorbent material may be placed in the nicotine trap.
Patent GB-1301804-A (GB)
IPC: B24B45/00
Filed: 1971-05-28
Abstract: 1301804 Abrasive tools FORTUNA-WERKE MASCHINENFABRIK AG 28 May 1971 [18 June 1970] 18101/71 Heading B3D A device for holding a grinding wheel 8, Fig. 1, on a spindle 1 comprises a pair of flanges 3, 4 arranged to be connected to the spindle and to be urged towards each other axially relative to the spindle to clamp the wheel therebetween, at least one of the flanges having a pressure member 11 disposed between the flange and the wheel and pivotable relative to the flange. The flange 3 is formed on a conical sleeve 2 secured to a conical section of the spindle by a nut 5. The other flange is axially movable on the sleeve by screws 35 to secure the wheel between the flanges, paper layers 9, 10 being provided on the faces of the wheel. Between the flange 4 and the wheel is the pressure member which is in the form of a ring having a convex surface abutting the flange and centered on a shoulder of the flange by a narrow shoulder 16. The convex surface accommodates bending of the flange so that the flat surface of the ring remains wholly in engagement with the wheel. Both flanges may be provided with pressure rings. The flange may have a concave recess to receive the correct surface of the ring. In another embodiment, the convex surface is formed with teeth which have a locking engagement with the flange for transmitting torque from the flange to the ring and wheel. In a further embodiment, the pressure member is formed from two annular sections 29, 30, Fig. 6, connected by a joint part 31 which is flexible to permit the sections to pivot relative to one another so that their flat faces remain in contact with the flange and wheel if the flange is deformed. The faces of the pressure member may be cross-ground.
Patent GB-1102033-A (GB)
Title: Thermoplastic matrix
IPC: C08L81/06
Filed: 1965-04-30
Abstract: The invention comprises a reformable thermoplastic matrix formed from a sheet of thermoplastic polyarylene polyether and exhibiting uniform mould shrinkage in all directions of 0.5% or less and being thermally and dimensionally stable at moulding temperatures of up to 350 DEG F.  The polyarylene polyether may be composed of recurring units having the formula -(-O-E-O-E1-)-where E is the residuum of a dihydric phenol and E1 is the residuum of a benzenoid compound having an inert electron withdrawing group in at least one of the positions ortho or para to the valence bonds, both of the residua being bonded to the ether oxygen atoms through aromatic carbon atoms.  The matrix may be used to mould polymeric material to produce printing plates. In examples matrices are made from polyarylene polyethers prepared from 2,2 - bis - (4 - hydroxyphenyl) propane and 4,41 - dichlorodiphenyl sulphone, from 4,41 - dihydroxydiphenyl sulphone and 4,41-dichlorodiphenyl sulphone, from the bisphenol of benzophenone and 4,41 - dichlorodiphenyl sulphone, from the bisphenol of acetophenone and 4,41 - dichlorodiphenylsulphone, from the bisphenol of vinyl cyclohexene and 4,41-dichlorodiphenylsulphone, and from 2,21 - bis-(4 - hydroxyphenyl)propane and 4,41 - di-fluorobenzophenone.
Patent GB-1218676-A (GB)
Title: Method of manufacturing semiconductor components
IPC: H01L21/00
Filed: 1969-04-09
Abstract: 1,218,676. Semi-conductor devices. COMPAGNIE GENERALE D'ELECTRICITE. 9 April, 1969 [10 April, 1968; 8 May, 1968], No. 18267/69. Heading H1K. An insulating layer 32 on a semi-conductor body 31 is recessed during a preliminary selective etching stage in regions where windows are subsequently to be formed by less accurately aligned selective etching stages. As shown, during the manufacture of a Si planar NPN transistor, three recesses are etched partially through an oxide coating 32 on an N type body 31 using a preliminary photo-resist process, and the central recess is then extended right through to the semi-conductor surface to form a window therein using a further mask which covers the outer two recesses but exposes an area of the oxide coating 32 including but larger than the central recess. The etching stage used to open the window is sufficiently protracted only to expose the semi-conductor surface in the initially formed recess. An n+ emitter region 33 is then formed by P diffusion through this window. By means of a further relatively coarsely marked selective etching stage, followed by B diffusion, two highly doped outer portions 45, 46 of the base region are formed. A central, active, more lightly doped portion 51, which is diffused in through the same window as that used for the emitter diffusion, is then formed following a non-selective light etching stage over the entire oxide coating 32. Electrodes are finally applied through the same three windows.
Patent GB-710362-A (GB)
Title: Diffuser for centrifugal compressor
Inventor: BARR JOHN CHARLES
IPC: F04D29/44
Filed: 1951-08-02
Abstract: 710,362. Centrifugal. compressors. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. July 29, 1952' [Aug. 2, 1951], No. 18298/51. Class 110(1) In a vaneless diffuser at the exit from a centrifugal compressor, the diffuser walls define an equivalent cone angle over any small element of the length of the diffuser passage of not greater divergence than 12 degrees in the median direction of flow. Alternatively, the average equivalent cone angle, measured o v e r the whole length of the diffuser passage, is of not greater divergence than 12 degrees in the median direction of flow. The walls 17 of the diffuser 15 may be frustoconical or, as shown, may be curved. The curvature may be such as to maintain the equivalent cone angle at a value which is substantially constant throughout the length of the diffuser passage. Vanes 16 may be provided beyond the diffuser. In the case of frusto-conical walls, the average equivalent cone angle may be maintained at a predetermined value over a finite length, with a slightly different value over a. succeeding finite length. Specification 693,686 is referred to.
Patent GB-1136922-A (GB)
Title: Improvements in or relating to reinforcement materials
IPC: C23C16/32
Filed: 1965-11-23
Abstract: 1,136,922. Fibres coated with silicon carbide. DOW CORNING CORP. 23 Nov., 1965 [26 Feb., 1965], No. 18384/67. Divided out of 1,136,921. Heading C1A. A reinforcement material comprises wires or filaments of tungsten, tantalum, stainless steel or carbon, each having a coating thereon consisting essentially of crystalline silicon carbide. The fibres are coated by heating them to at least 1150‹ C. and flowing thereover a gaseous alkylsilane or substituted alkylsilane having a carbon to silicon atomic ratio of at least 1À75 to 1. In the specific Example, a mixture of dimethyldichlorosilane with hydrogen is passed through a reaction chamber in which a tungsten filament is heated to 1200‹ C.
Patent GB-468480-A (GB)
Title: Improvements in or relating to sliver-drawing mechanism for use in textile machinery
IPC: D01H5/74
Filed: 1936-07-02
Abstract: 468,480. Drawing apparatus for spinning - machines. COLONIA GUELL SOC. ANON. July 2, 1936, No. 18413. Convention date, Nov. 20, 1935. [Class 120 (ii)] In sliver - drawing mechanism intermediate or secondary feed rollers 1, 5, Figs. 1 and 2, are provided in close proximity to the drawing rollers and comprise an upper porcupine roller 5 provided with substantially radial spurs or pins 6 extending in planes normal to the roller axis and co-operating with a lower fluted roller 1, the pins 6 being arranged to enter the flutes 4 and exert a combing action on the fibres. The rollers are interconnected by gears 7 or friction rings so as to rotate at the same speed.