baber/WOPTO huggingface dataset:
Patent GB-183611-A (GB)
Title: Improvements in or relating to electrical operation of railway and like switch points from the vehicles
IPC: B61L23/00
Filed: 1921-05-06
Abstract: 183,611. Loughridge, M. H. May 6, 1921. Electric selectors.-Railway trains or cars are caused to travel from any point to a predetermined destination by means of a selector device carried on the trains. The selector comprises one or more selectively adjustable members, and during the journey the selector is operated by track contacts arranged in different combinations adjacent the various points. When a. point combination agrees with any of the combinationsinitially arranged for in the selector, that particular point is operated by the train so as to pass the train along the predetermined route. As shown, the selector comprises a series of discs 21 to 30, Fig. 1, each carrying a series of segments 31 to 40, Fig. 8, made up of conductors 41 to 50 in the form of circular layers insulated from each other. In each disc one of the conductors is absent from all segments except 31. As each disc is constructed to have a different conductor appearing in only one segment, the electric connection between the two terminals 117, 118, along any one conductor is controlled by the disc in which that conductor appears in only one segment. The stepping wheel 111, Fig. 7, is divided into segments corresponding to those on the discs, but only one conductor appears in each segment whereby only one conductor at a time can contact with strip 120, Fig. 1<a>, which is of the same shape as the segments and is connected to terminal 118. Stepping discs 110 each have one complete set of conductors on that face nearest terminal 117 and on the other face a complete segment 51, Fig. 6, of conductors, so that only those conductors for which the segment 31 of the corresponding controlling disc is in alignment with segment 51 can make electrical connection between the two terminals. The stepping wheels are moved forward in steps corresponding to the positions of the segments by the action of coil spring 126, Fig. 2, the energizing magnets 113 serving to move the pawl back for the next step. Re-setting mechanism is provided for the stepping wheels 110 which consists of spring 142 geared to a drum 143 around which a flexible band 144 is wound tending to bring the wheel back to the position where the stop 128 engages the piece 127. In order to retain the wheel whilst the actuating pawl is moved back, the pawl 134 is carried into engagement with the teeth of the stepping wheel by the arm 135 which is operated by holding magnets 114, the coils of which are so connected as to be energized at the same time as the magnets 113, 113<a>, or 115. Whenever a current is established through the selector from collecting shoes 191 or 193, Fig. 13, the magnet 115 will be energized and the stepping wheel 111 will be moved.
Patent GB-387189-A (GB)
Title: An improved counting mechanism of the drum type
IPC: G06M1/06
Filed: 1932-05-05
Abstract: 387,189. Counting-apparatus. LANDIS & GYR AKT.-GES., 1, Hofstrasse, Zug, Switzerland. May 5, 1932, No. 12994. Convention date, May 12, 1931. [Class 106 (i).] To prevent momentary bending of the spindles of a counter these are mounted at one end in double bearings as shown at 3, 14 in the Figure. The bearing 14 may be formed by a plate bent out from the frame 1.
Patent GB-1193581-A (GB)
Title: Improvements in Closure Devices for Ventilating and Other Shafts
Inventor: RICHARDSON NORMAN WILLIAM
IPC: F16K1/24
Filed: 1968-03-18
Abstract: 1,193,581. Valves. N. W. RICHARDSON. 16 Dec., 1968 [18 March, 1968], No. 13006/68. Heading F2V. [Also in Division F4]  A closure device for a ventilating or other shaft 1 comprises a butterfly valve 5 adapted to close on an endless flange 4, two pairs of trunnions projecting outwards from the valve with each pair 7, 9 engaging a slideway 8 in the shaft, the slideways being transversely enlarged at correspondingly single ends 12 thereof, and an operating spindle 13 connected by linkage 18, 19 to anchorages 16 on the valve out of alignment with the trunnion pairs whereby rotation of the spindle moves the valve off its seating until one trunnion 7 of each pair enters the enlarged end portion 12 when the valve is turned about the other trunnion 9 of each pair. The valve turns through about a right angle and may be held in this position as well as in an intermediate position by a pawl 20 on an operating lever 15 engaging notches in a pair of bars 22. The flange 4 may have a sealing ring 6 of rubber and the shaft may be circular, elliptical or rectangular. A pair of external cover plates bolted to the shaft enable the operating mechanism to be removed. A number of devices may be coupled together to work in unison.
Patent GB-1441192-A (GB)
Title: Oscillator
IPC: H03H9/21
Filed: 1974-03-25
Abstract: 1441192 Piezoelectric resonators DAINI SEIKOSHA KK 25 March 1974 [29 March 1973 (2)] 13098/74 Heading H1E A piezoelectric or electrostrictive laminar resonator is mounted by a layer 32 of adhesive on a pedestal 31 and is provided on one or both sides with electrodes 15, 26 which extend (e.g. at 20, 21, 22, 30) beyond the resonator. Leads are connected to the extensions of the electrodes. The resonator may be of the tuning-fork flexural type with two or three tines and Figs. 1, 2 show a typical electrode pattern. It may be made of quartz, barium titanate lithium niobate or lead zirconate. The ends of the tines 11, 12 may carry loading material 24, 25. The adhesive 32 may be raw rubber. The resonator is suitable for use in a timepiece.
Patent GB-490320-A (GB)
Title: Hydraulically controlled track brakes, more especially for railways
IPC: B61K7/08
Filed: 1937-05-07
Abstract: 490,320. Fluid - pressure brakes. EISENWERK WANHEIM GES. Mav 7, 1937, No. 13161. Convention date, May 8, 1936. Addition to 443,093. [Class 103 (i)] In a modification of the track brake described in the parent Specification in which circulated fluid is diverted to apply the brake the valve, which directs the circulation is indirectly operated by fluid pressure. Fluid is circulated through pipes 1, 3 and when the valve 19 is allowed to close by movement of the lever 14 fluid passing through a bore in a valve 2 develops pressure in a chamber 20, thereby holding the valve 2 on its seat and causing fluid to be supplied past a check valve 10 to the brake pipe 11. The exhaust valve 17 may be similarly arranged.
Patent GB-997652-A (GB)
Title: New quinazolinone derivatives and process for their preparation
IPC: C07D401/04
Filed: 1964-03-31
Abstract: The invention comprises 4-(3H)-quinazolinones of formula <FORM:0997652/C2/1> and non-toxic acid addition salts thereof, where Y is C1- 3 alkyl, chlorine or bromine, Z is hydrogen, C1- 3 alkyl, or halogen, and R is C1- 4 alkyl.  They may be prepared by (I) reacting a primary amine of formula <FORM:0997652/C2/2> with (a) an appropriate N-acylanthranilic acid or its internal anhydride, or (b) anthranilic acid, or a reactive derivative thereof such as isatoic acid anhydride in the presence of a reactive derivative of a C2- 5 aliphatic carboxylic acid such as an ortho ester or an anhydride; (II) cyclising an N-acylanthranilic acid amide of formula <FORM:0997652/C2/3> by means of a water-extracting agent; (III) cyclising an anthranilic acid amide of formula <FORM:0997652/C2/4> by reaction with an acid RCOOH or a reactive derivative such as an ortho ester or anhydride; or (IV) reacting a compound of formula <FORM:0997652/C2/5> with one of formula (VI) <FORM:0997652/C2/6> Phosphorus halides or oxyhalides, or aluminium or boron halides may be used as condensation agents, preferably in the presence of a tertiary base or inert solvent.  Propionyl anthranil - (2 - ethyl - (4H) - 3,1-benzoxazinone-(4) is prepared from anthranilic acid and propionic anhydride.  The compounds of the invention have sedative and hypnotic activity and may be administered orally, e.g. as tablets, capsules or suspensions. Specified salts are hydrochlorides, hydrobromides, sulphates, phosphates and salts of strong organic acids.
Patent GB-132081-A (GB)
IPC: H05B3/62
Abstract: 132,081. Watson & Co., T. H., Greaves, H. A., and Etchells, H. Sept. 25, 1918. Electrode furnaces.-Groups of upper electrodes and transformer windings, each arranged as described in Specification 106,626 or 121,563, have the phases of corresponding elements interchanged or inverted so that the normal hearth current may have various values from zero to 0.707 of the sum of the electrode currents. The circuit connexions may also be varied by a selector switch during working. When the normal hearth current is zero, the hearth may be non-conducting. Fig. 4 shows mesh-connected primary windings a, b and star-connected secondary windings OA, OB, OC, O<1>A<1>, O<1>B<1>, O<1>C<1>, feeding electrodes E and hearth H, corresponding secondaries having phases 180 degrees apart so that normally no current flows through the hearth H. Analogous connexions may be made with star primaries and mesh secondaries, or with two-phase primaries a, b, Fig. 6, and T-connected secondaries. Two three-phase groups may also be 120 degrees out of phase, so that the hearth current is the same as would be produced by either group alone. With two-phase primaries and T-connected secondaries, the groups may be 90 degrees out of phase. In this and other arrangements, where two electrodes of different groups carry currents nearly in phase, these electrodes may be replaced by a single larger one. Three groups of secondaries A, B, C, Fig. 11, may have phases 120 degrees apart in corresponding windings, so that the normal hearth current is zero, or two groups may be similarly connected and the third have phases displaced through 120 degrees. Fig. 14 shows three groups of T-arranged secondaries with phases 90 degrees and 180 degrees apart in the three pairs of groups.
Patent GB-844343-A (GB)
Title: Improvements in or relating to piezoelectric crystal units
IPC: H03H9/05
Filed: 1958-04-25
Abstract: 844,343. Piezo-electric crystal mountings. WESTERN ELECTRIC CO. Inc. April 25, 1958 [April 29, 1957] No. 13226/58. Class 40(8). [Also in Group XL(a)] A piezo-electric crystal element 13 is supported by a structure comprising a pair of conductive channel members 14 joined at either end by plates 16 of insulating material. The element 13, which may be a quartz bimorph, is attached to the channels by thin leads 15. At the point of attachment of the leads, excess solder is deposited in the channels to provide nodal loading. The insulators 16 are provided with apertures for tags 24 on the channel members. These are subsequently bent down to retain the insulators Lead-in conductors 21 extend through insulating leads 18 in base 12 and are soldered into apertures 23 at the ends of the channel members. Ionization testing of the vacuum within metal container 11 may be carried out by measuring the discharge between one of the channels 14 and a U-shaped wire electrode 26 spaced an appropriate distance from the channel. The electrode is mounted in an insulating block 27 seated within the channel The outer link of the electrode is in electrical contact with the metal container. Where the crystal element 13 is longer than the channels 14, it is arranged to extend through apertures in the insulators 16. 6. The term "channel members" includes simple angle members having two flanges at right-angles.
Patent GB-829113-A (GB)
Title: Improvements in automatic control systems for aircraft
IPC: G05D1/08
Filed: 1956-04-30
Abstract: 829,113. Automatic steering control systems. BENDIX AVIATION CORPORATION. April 30, 1956 [May 13, 1955], No. 13232/56. Class 38(4). In a system in which an aircraft control surface is automatically controlled by an electric error signal dependent on the difference between a signal derived from displacement of the aircraft from a reference condition and a signal derived from motion of the control surface, an additional aiding control signal is produced from the error signal if the latter persists. As shown, deviations in the pitch attitude of an aircraft are detected by a gyroscope 30, signals from the inductive pick-off 32 of which are applied through an amplifier 15 to operate a servomotor 13 correcting pitch by adjusting elevators 11. Position and rate follow-up signals are fed back to the input of amplifier 15 from an inductive device 38 and an A.C. generator 40 operated by servomotor 13. To maintain constant altitude a switch 42 is closed to energize an electromagnetic clutch 43 coupling an inductive pick-off 47 to an aneroid bellows 45 so that deviations from the altitude obtaining when switch 42 was closed are automatically corrected by signals from pick-off 47 applied to the input of amplifier 15. Signals from pick-off 47 are also applied through an amplifier 50 to operate a motor 51 which by virtue of rate feed. back from a generator 55 runs at a speed dependent on altitude error. An inductive device 53 adjusted by motor 51 through a second electromagnetic clutch 43 thus applies to the input of amplifier 15 a signal dependent on the integral of altitude error. The pitch error signal and the follow-up signals are combined with a portion of the altitude error and integral of altitude error signals obtained through a transformer 62 and a potentiometer 22 and applied through an amplifier 71 to operate a servomotor 72 which by virtue of positional feed-back from an inductive device 74 introduces a further signal dependent on the resultant error through a transformer 81 into the input of amplifier 15. Large rate feed-back from a generator 73, however, delays the build-up of this further signal so that it is only effective during slow pitch oscillations or porpoising of the aircraft. A portion of the delayed signal from inductive device 74 is also fed back to the input of amplifier 71 through a potentiometer 23. A trim surface 11<SP>1</SP> operated through an amplifier 151 and servomotor 131 is provided to relieve load on the elevators. Specifications 662,831 and 662,853 are referred to.
Patent GB-545498-A (GB)
Title: Improvements in hangers for articles such as clothes
IPC: A47G25/48
Filed: 1940-08-22
Abstract: 545,498. Clips and clamps. HUFF, C. W. Aug. 22, 1940, No. 13349. [Class 44] A clipping device used as a clothes hanger comprises a rigid part bent to form a suspending hook 21 merging into a pair of resilient limbs 14, 15 biassed away from one another and carrying rigid crossed parts 7, 8 with terminal wood cross-bars 5, 6 between which the garment is gripped. The outward set of parts 14, 15 urges the bars into engagement. The crossing portions of the parts 7, 8 are embraced by a slidable locking ring 20 upward movement of which separates bars 5, 6 or allows such separation by force applied directly thereto, or by inward pressure applied above the ring, for example to the points 17, 18. Downward movement locks parts 5, 6 in gripping engagement, the ring being retained fractionally. The bars 5, 6 are longitudinally bowed, the gripping faces at their ends being felt covered.
Patent GB-278039-A (GB)
Title: Improvements in and relating to anthraquinone derivatives
IPC: C09B5/20
Filed: 1926-05-26
Abstract: 278,039. Smith, W., Thomas, J., and Scottish Dyes, Ltd. May 26, 1926. 1: 1<1>-Dianthraquinonyl-2: 2<1>-diurethanes; flavanthrone;s. - 1-Halogenanthraquinone-2-urethanes are treated with a metal in the presence or absence of a diluent. At high temperatures, especially in absence, of a diluent, the products are principally flavanthrones, but at lower temperatures there are obtained 1 : 1<1>-dianthraquinonyl-2 : 2'-diurethanes. The latter can be purified by taking advantage of their solubility in organic solvents such as nitrobenzene or chlorbenzene and converted into flavanthrones by hydrolysis and ring closure; thus flavanthrones are obtained by heating the dianthraquinonyl derivatives alone or with an inert diluent, or by heating with sulphuric acid or alcoholic potash. According to examples (1) flavanthrone is obtained by boiling the urethane from 1-chlor-2-aminoanthraquinone and chloroformic ester with nitrobenzene or naphthalene and copper powder; (2) 1: 1<1>-dianthraquinonyl-2 :2-diurethane is produced by heating the same urethane with nitrobenzene and copper at 160‹ C., filtering, and crystallizing; (3) flavanthrone is produced from 1 : 1<1>-dianthraquinonyl- 2 : 2<1>-diurethane by heating at 200‹ C., by boiling with nitrobenzene, by heating with sulphuric acid at 120-130‹ C., or by heating with methylalcoholic potash at 120-130‹ C. The urethane from chloroformic ethyl ester may be replaced by that from butyl- or phenyl-chloroformate, and the urethane from 1-chlor-2-aminoanthraquinone can be replaced by that from 1-brom- or 1 : 3-dibrom-2-aminoanthraquinone.
Patent GB-135302-A (GB)
IPC: H04M9/00
Abstract: 135,302. Dungey, J. W., and Wingfield, T. P. Nov. 22, 1918. Intercommunication systems and apparatus. - In an intercommunication system; each station is provided with a buzzer having two oppositely-wound primary windings and a secondary winding. The buzzer armature is polarized and normally connects the microphone to one of the primary windings, in order that the buzzer may operate as a repeater coil. Two receivers may be employed, one of which is energized by the calling-current and is cut out of circuit when the telephone is removed from its hook. The apparatus at each station is mounted upon and in a casing divided into two parts, one of which contains the battery and the other the buzzer. The buzzer PB consists of two oppositely-wound primary windings P<1>, P<2>, a secondary winding S, a pivoted armature A polarized by a magnet M, and circuit-controlling contacts C<1>, C<2>. When station 1 wishes to communicate with another station, say station 3, the hand-set at station 1 is lifted from its hook SH to open the circuit of the calling-receiver R<2> at that station, and the selector switch HS is moved to the position shown. The ringing K is then depressed to energize the primary winding P<1> of the buzzer PB from the battery B through the contact C<1>. The armature A is operated to open the contact C<1> and to close the circuit through the contact C<2> and primary winding P<2> when the armature is returned to its original position, and the operation repeated as long as the key K is depressed. The opening and closing of the circuits of the windings P<1>, P<2> induces currents in the secondary winding S, which are sent to the calling-receiver R<2> at station 3 over the selector switch HS, station 1, line L', hook switch SH, and calling-receiver R<2> at station 3, return lead CR, and receiver R at station 1. The key K is then opened and the speaking key MK depressed to connect the microphone MP in series with the winding P<1> when secondary speaking currents are received in the receiver R at station 3 after the hook switch SH has been opened at this station.
Patent GB-135518-A (GB)
IPC: F23Q9/00
Abstract: 135,518. Milwaukee Gas Specialty Co., (Assignees of Rutz, A. 0.). April 1, 1914, [Convention date]. Pilot jets.-A pilot jet 4, arranged centrally with regard to but at a lower level than stove burners 2, is surrounded by an apertured steel pressed casing 8, and the curved bop of the pilot jet tip 9 is formed with upwardly inclined radial apertures 12 in alinement with corresponding apertures 8<1> in the casing 8 so that, on increasing the gas supply to the pilot jet simultaneously with the turning on of a gas cock 2' to one of the stove burners, the constantly burning pilot jet flames are projected obliquely and ignite the corresponding burner 2. The apertures 12 are sufficiently close to form normally a single pilot light. In one form, the detachable casing 8 is cylindrical and with a curved top, and its recessed lower edge engages lugs 6" on the downwardly bent annular flange 6<1> on an apertured disk 6 secured between nuts 5, 5<1> on the pilot jet tube 1<1>. Venting apertures 13 are formed at the upper end of the casing 8. The pilot jet tip 9, preferably of lava, is tapered internally and externally to a sharp edge at its lower end, and has a reduced hemispherical upper end in which the inclined outlet holes 12 are formed. Gas is supplied to the pilot jet tube 1<1> from the main gas pipe through a spring-pressed lift valve 3, Fig. 2. having a screw-regulated by-pass 3<11>. A sliding bar 15 connected by a clip 16 to the spindle of the lift valve 3 is mounted on the shanks of the gas cooks 2<1> and is provided with finger-pieces 17 positioned adjacent each gas cock so that a fingerpiece is engaged by the finger of an operator when a gas cock is opened.
Patent GB-293166-A (GB)
Title: Improvements in insulated rods for suspending conductors, or operating switches and the like
IPC: H01B17/12
Filed: 1927-05-20
Abstract: 293,166. Beardall, H., and Metropolitan-Vickers Electrical Co., Ltd. May 20, 1927. Insulators.- Insulated rods for suspending high tension electric conductors from a roof and lifting rods for the contact brushes or bridges of oilinsulated electric switches are formed of two members connected together through a frustroconical insulator. The lower end of a rod 1 may be connected to the bridge or brush of an oil switch, the upper end being formed with a conical head 2 fitting a frustro-conical insulator 3. The head 2 is held in position in the insulator 3 by a plug 4 and a split ring 5, conveniently of phosphor-bronze, the ring 5 engaging grooves in the insulator and the plug 4. Links 10, attached to the switch operating mechanism, are bolted to a cross-piece 7 which is formed with a conical orifice to engage the exterior of the insulator 3 and which is held in position by a split ring engaging grooves in the insulator and the crosspiece 7. In a modified construction, the links 10 may be replaced by a single rod fastened to the cross-piece 7 by a stirrup. Holes 13 in the head 2 and the plug 4 allow free circulation of air or oil through the insulator 3.
Patent GB-592733-A (GB)
Title: Improvements in or relating to methods of soldering metal details
IPC: H01J19/42
Filed: 1945-05-30
Abstract: 592,733. Making electric discharge devices. STANDARD TELEPHONES & CABLES, Ltd., and SMYTH, C. N. May 30, 1945, No. 13622. [Classes 83 (ii) and 83 (iv)] Soldering.-Two metal parts of an electric discharge device are united by coating at least one of them with gold and then soldering by placing tin and tin alloy wire or foil in proximity to the joint so that it melts and flows during subsequent heat treatment. The gold may be applied by electroplating. The parts may be a tube seam or copper discs 1, 2 of electron discharge devices. The upper surface of the disc 1 and the lower surface of the disc 2 are provided with a coating or gold of 0.00001 to 0.00004 inches thickness and are soldered by a ring 5 of thin wire or foil placed round the circumference of the disc 2 and melted preferably in a vacuum, nitrogen, hydrogen or other non-oxidizing atmosphere. When joining in air the wire may also be coated with gold. In joining copper to nickel only one part, preferably the copper, need be gold coated.