baber/WOPTO huggingface dataset:
Patent GB-1548856-A (GB)
Title: Process for hypotensive 2-(4-substituted piperazin 1-yl)-j-aminopainazolines
IPC: C07D405/14
Filed: 1977-06-14
Abstract: Compounds of the formula <IMAGE> or of a hydrochloric or hydrobromic acid addition salt thereof, in which R1 is hydrogen or methoxy, and R2 denotes benzoyl, furoyl, thienylcarbonyl, alkoxycarbonyl having 2 to 5 carbon atoms or (2-hydroxyalkoxy)carbonyl having 4 or 5 carbon atoms, are prepared in accordance with a novel process. Initially, a 2-chloro-6,7-dimethoxyquinazoline or a 2-bromo-6,7-dimethoxyquinazoline, whose amino group situated in the 4 position is substituted, is reacted, in an inert organic solvent and at 50-200 DEG C, with a corresponding piperazine. In a second reaction step, the substituents of the amino group are removed by hydrogenolysis. The compounds which are obtained can be used as agents for lowering blood pressure.
Patent GB-191783-A (GB)
Title: Improvements in and relating to distant control apparatus
IPC: B63H21/22
Filed: 1921-09-20
Abstract: 191,783. Harding, C. H. J. Sept. 20, 1921. Telemotor apparatus. -In telemotor apparatus, the transmitter and receiver each comprise one or more pistons completely submerged in liquid, the cylinders being connected by pipes 11, 12, 13 provided with air chambers 22, and the casings by a pipe 18. A feed-tank 19 and non-return valves 23 in the transmitter pistons are provided. The drive shafts pass into the casings from below, and together with the control shafts and connections are disposed in U-tubes forming seals, which may contain mercury.
Patent GB-736775-A (GB)
Title: Improvements in or relating to the lubrication of rings and travellers of ring spinning or the like frames
Inventor: NESBITT-DUFORT TIMOTHY
IPC: D01H7/62
Filed: 1950-10-12
Abstract: A lubricant for oiling rings and travellers of ring-spinning frames (see Group IX) consists of 75 to 95 per cent of a hydraulic type solvent refined oil to British DTD 44D, 2 to 20 per cent of a non-creep additive and 2 per cent of sulphonated sperm oil/mineral oil compound, the sperm having been sulphonated in a heavy gravity spindle oil.
Patent GB-1472188-A (GB)
Title: Fly line rig
IPC: A01K91/12
Filed: 1975-09-05
Abstract: 1472188 Fly fishing lines G P SURRIDGE 5 Sept 1975 [5 June 1974] 24916/74 Heading A1A  The line comprises a braided filament 6 connected in the shown embodiment with a tapered part 11 for connection to a leader. Surrounding the filament is a body 5 flexibly formed as a helix from material of specific gravity in the range 0.9 to 2.7. A spring 9 extends between the body 5 and a stop 10 to buffer relative movement between the body and the filament. In embodiments, the filament is external of the body to which it is connected by a plurality of parallel lines or by loops.
Patent GB-950759-A (GB)
Title: Apparatus for driving a hoist
IPC: B66C13/26
Filed: 1961-07-10
Abstract: 950,759. Motor driving arrangements; control of several A.C. motors. SIEMENSSCHUCKERTWERKE A.G. July 10, 1961 [July 9, 1960], No. 24965/61. Headings H2A and H2J. [Also in Division B8] A hoist 1, Fig. 1, is driven by three individually switched three-phase squirrel-cage motors 4, 7, 8 coupled through interengaging planetary gears 3, 6 arranged so that the speed of the hoist is related to the number of motors 4, 7, 8 energized. Brakes 10, Fig. 2, are provided for holding each motor stationary and are released by solenoids 9 when the associated motors are energized. Individual forward and reverse switches h 1-3 , s 1-3  are provided for each motor with a common control having a delay device to ensure that the switches are engaged consecutively. Motor protecting switches 15 are arranged in each motor circuit.
Patent GB-322439-A (GB)
Title: Improvements in or relating to pistols to be used for slaughtering purposes said improvements being also applicable to other weapons
IPC: A22B3/02
Filed: 1928-08-31
Abstract: 322,439. Accles, J. G. Aug. 31, 1928. Breech actions, movablebarrel other than dropdown; firing-appliances.- The sear b of a slauglitering pistol extends rearwardly from the trigger c, and these two parts are mounted on two pivots d', d<2>. The sear may be pivoted to the trigger at d<2>, and the trigger to the body of the pistol at d<1>; or, as shown, the sear and the trigger are in one and pivoted at d<2> to a link d, pivoted at d<1> to the body of the pistol. The rear end of the sear has an upward projection e, which engages a shoulder f on the spring striker a and thus cocks this striker when the trigger is pulled, and a cam i, which engages a fixed stop j when the sear reaches its extreme backward position, whereby the projection e is depressed and releases the cocked spring striker. The sear and trigger are returned to the forward position by a spring plunger h, and on reaching the forward position, the projection e rocks a lever k, which engages a shoulder m on the spring striker and draws it back slightly to prevent the point of the striker from projecting beyond the face of the frame in which it is mounted. The barrel n of the pistol is mounted on a vertical pivot p.
Patent GB-616049-A (GB)
Title: Improvements in circuits for electric discharge apparatus
IPC: H05B41/232
Filed: 1946-08-22
Abstract: 616,049. Supply systems for space discharge lamps. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 22, 1946, No. 25103. Convention date, Feb. 16, 1945. [Class 38 (iv)] In order that the voltage applied to a discharge lamp and the current heating the filamentary electrodes thereof may both be reduced when the lamp strikes main secondary windings 2a, 2b in series with the lamp are arranged on separated portions of an elongated transformer core A and windings 3, 4 supplying heating current to the electrodes are arranged between them; magnetic shunts may also be arranged between the windings. The main secondary winding 2a is preferably closely coupled with the primary winding 1 and these two windings may form a step-up autotransformer with a power-factor condenser connected across the full winding. When the lamp strikes the current in winding 2b produces a flux opposing that due to the primary winding causing a fall in lamp voltage and in heating current.
Patent GB-1512335-A (GB)
Title: Method and apparatus for the production of a guarantee closure
IPC: B65D41/34
Filed: 1976-06-17
Abstract: The guarantee closure is composed of a closure cap (2) and of a guarantee band (3) which can be produced by hot forming with a forming device (8). In order to plastify the guarantee band (3), the forming device (8) is provided with heating coils (9a). On the jaws (7) of the forming device (8) there is further provided a perforation device (9) by means of which, at the same time as hot forming the guarantee band (3), a predetermined tearing line (5) in the form of a perforated line of weakness is produced in the guarantee band. When unscrewing the closure cap (2) for the first time, the guarantee band (3) tears at the predetermined tearing line (5). <IMAGE>
Patent GB-1307548-A (GB)
Title: Viewing system for a vehicle
IPC: F41G5/14
Filed: 1970-05-26
Abstract: 1307548 Weapon sighting system HUGHES AIRCRAFT CO 26 May 1970 [4 June 1969] 25315/70 Heading F3C [Also in Division H4] A viewing system for a vehicle, e.g. a helicopter 10, comprises a vision turret 14, 16 having a main turret housing portion 128 on which is pivotally mounted an elevation housing portion 130. An azimuth housing portion 134 is, in turn pivotally mounted on the elevation housing portion 130. Image reflecting means, e.g. a mirror 142 and a prism 150, are housed in the portions 130, 134 for deflecting light beams into the main turret housing portion 128. A monitor viewing means is connected to the vision turret so that in use an observer in the vehicle can view the image produced thereby. The movements of the housing portion 130, 134 in their controlled movement are inertially stabilized and can be selectively commanded to automatically rotate to view along a predetermined axis. In the construction shown two turrets 14, 16 are provided, one 14 for direct viewing and the other 16 for remote viewing of the field of view. The direct viewing turret (Fig. 13, not shown) has a pair of image intensifiers, the image from which is viewed through an eyepiece 20 provided in the vehicle (Figs. 3, 5, not shown), the connection between the turret 14 and the eyepiece 20 being a flexible fibre optic bundle 18. The remote viewing turret 16 has an image intensifier 152 followed by a television camera 151, the view from the turret being displayed in the vehicle on three television monitors 22, 24, 26. The intensifier and camera are rotatably mounted in the turret and the rotation thereof is controlled so that the image received on the monitors is in all cases, an erect image. The image is stabilized against high frequency vibrations by stabilizing the electron beam in the intensifier using pairs of opposed coils 164, 166. Low frequency vibrations are eliminated by mechanical stabilization using the driving servo-motors under the control of gyros 160, 162. An infra-red searchlight 40 is provided at each side of the vehicle. A machine gun 36 is mounted on each side of the vehicle for elevation and training in a similar manner to the turrets 14, 16 and a rocket launcher 38 is also mounted on each side for limited elevation movement. Independent and combined movements of the turrets and weapons is possible all the controls being mounted on consoles in the vehicle (Figs. 2, 3, not shown).
Patent GB-859311-A (GB)
Title: Gastight shutoff device for the passage of dust-containing substances
IPC: F16K3/02
Filed: 1957-08-12
Abstract: 859,311. Material discharge. KNAPSACKGRIESHEIM A.G. Aug. 12, 1957 [Aug. 31, 1956], No. 25438/57. Class 78 (1). [Also in Group XXIX] A valve device for controlling the passage of dust containing solid aggregates or fluids comprises a tube 7 which is axially movable between a feed pipe or shoot 20 and a receiving pipe 21, the rim facing the feed pipe being sealed from the housing; e.g. by a bellows 11 or a stuffing gland, and a valve disc 2. To close the valve device the tube 7 is raised, the valve disc 2 is swung into a seating position on a valve seat 4 surrounding the receiving pipe 21 and the tube 7 is allowed to rest on the valve disc (as shown). To open the device tube 7 is raised, the valve disc 2 is swung aside and the tube 7 lowered until a circumferential ring 23 sealingly engages a taper bore of the valve seating. To prevent contamination of the sealing surfaces by dust when the device is operated the feed is interrupted by obturating the feed pipe 20 by means of a curved member 16 rotatable on arms by means of a lever 17. The tube 7 is moved by means of a lever 8 operated through a screw 12 and crank 19 and the valve disc 2 by means of arm 18, rocking lever 5 and guide rail 13 engageable by the disc. A bridge-piece 24 is arranged on the guide rail 13 so that when the tube 7 is lifted, the ring 23 engages the bridge-piece and lifts the guide rail and hence the valve disc to prevent its rubbing on the seating surface when it is operated, also, the tube 7 may be used to force the valve disc firmly on to its seating. The feed tube 20 may be replaced by an inspection cover in order to observe the interior of a container to which the receiving pipe is attached.
Patent GB-389132-A (GB)
Title: Apparatus for copying contrastless originals on sensitive layers
IPC: G03C5/10
Filed: 1931-09-10
Abstract: 389,132. Photographic printing processes. TESCHENBRUCK, M. Z. VON, 5, Schwanengasse, Berne, Switzerland. Sept. 10, 1931, No. 25440. Convention date, June 30. Addition to 386,316. [Class 98 (ii).] Apparatus for carrying out the process claimed in the parent Specification comprises a green filter arranged between a light source and the original to be copied in any suitable copying box. As shown, a copying box R contains a lamp L surrounded by a filter M and bears on its top a glass plate G supported on three sides only for carrying originals B, which may be held down by a weight V. An opal plate S may be placed below plate G. The lamp L is connected with a source of electric current and a switch T for regulating the exposure time. A green filter plate placed below or above plates S or G may be substituted for filter M. In employing the apparatus for use with transmitted light a dark coloured sheet may be placed on top of the sensitive sheet.
Patent GB-584420-A (GB)
Title: Improvements relating to voltage regulating apparatus for polyphase alternating current circuits
IPC: G05F3/04
Filed: 1944-12-20
Abstract: 584,420. Automatic voltage regulation. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., and WALKER, A. H. B. Dec. 20, 1944, No. 25532. [Class 38 (iv)] A voltage regulating arrangement for a polyphase system, comprises, in each phase, a saturated autotransformer T1 connected in series on the primary and secondary sides with the windings of an unsaturated transformer T2, the arrangement being such that one or each transformer is combined with the corresponding transformers in the other phases to form a polyphase unit or units and a series connection of condenser C and inductance L for each phase connected in star or delta with the output terminals S1, S2, S3 as shown. Operation of the arrangement is similar in principle to that for a single-phase system described in Specification 548,526. Preferably the inductances L are mounted on air gap cores operating at relatively low flux density or they may be arranged on a common core. The cores of transformers T2 or the corresponding polyphase transformer may have auxiliary delta connected windings for the suppression of third harmonic voltages in the output circuit.
Patent GB-1484420-A (GB)
Title: Steel making furnaces
IPC: F27D17/00
Filed: 1976-06-09
Abstract: 1484420 Steel making furnaces ASSOCIATED ELECTRIC INDUSTRIES Ltd 9 June 1976 [16 June 1975] 25576/75 Heading F4B In a steel making furnace the exhaust gases, created during the injection of oxygen into the molten metal, are led by an off-take 5 and ducts 8, 10 to a heat storage chamber 14 where gases give up some of their heat to refractory material arranged in a multiplicity of passages before passing via ducts 15, 13 to a fume cleaner 12. When oxygen injection ceases, a change-over valve 7 connects the furnace off take via a duct 11 direct with the fume cleaner 12 and changeover valves 24 and 16 are operated so that a fan 23 can circulate air or other gas through the heat storage chamber 14 and round a chamber 20 to heat up baskets 21 filled with charge material for the furnace. The furnace may be an electric arc type with electrodes 4 and a sliding joint 6 so that metal can be poured from a spout 2. During oxygen injection the exhaust gases may first pass to a combustion chamber 9 in which carbon monoxide is burned with air to form carbon dioxide before the gases pass into the heat storage chamber 14.
Patent GB-1464159-A (GB)
Title: Hand held body massagers
IPC: A61H23/02
Filed: 1974-06-10
Abstract: 1464159 Hand-held body massager NIAGARA THERAPY MFG CORP 10 June 1974 [22 June 1973] 25620/74 Heading A5R A hand-held vibro-massager comprises a variable speed-eccentric weight A.C. motor M supported in a container part A, and solid state electronic components and a potentiometer (41, Fig. 8 not shown) mounted on a circular printed circuit board 36 forming a motor speed control assembly supported in a cup C, the stem 42 of the potentiometer extending along a nose extension 7 of a cover part B through a sleeve 55 and a cap 66 and terminating in an accessible knob 58 for varying the speed of the motor. A suction fan F having blades 31 inclined at an angle of 45 degrees, and mounted on the shaft (19) of a squirrel-cage rotor (18) adjacent hot-air discharge ports 3a, 3b draws cool air through inlet ports 8a, 8b and the air flowing through holes 10a in the cup C, the space between the periphery of the circuit board and the side wall of the cup C, and the space between the stator 15, 16 and the rotor (18) prevents the motor and the speed control assembly from becoming excessively hot. The gyratory motion of the shaft 19 due to an eccentric weight 33 results in the vibrations of the shell of the massager which may be provided with a blanket 9 and massage pads 100. A speed trimmer 48, accessible through a hole (48") and consisting of a variable resistor, is provided to pre-set the lower speed, preferably 1500 cycles per minute, of the motor, whereas in the embodiment of Fig. 2 the cover part B is connected to the container part A by lock nuts 12 and set screws 12', in another embodiment (Fig. 12), a rim 13" of an internally threaded ring 13 abuts a shoulder portion 6a of the cover part B when the ring is screwed on to a threaded extension 4 of the container part, and thereby provides a smooth connection between the two parts. The hole 48" is accessible only when the ring is unscrewed. A typical electric circuit and arrangement of the components on the circuit board are disclosed.
Patent GB-154766-A (GB)
Title: Improvements in or relating to apparatus for clarifying liquids containing finely divided matter in suspension
IPC: B01D21/00
Filed: 1919-10-21
Abstract: 154,766. mackey, W. M. Oct. 21, 1919. Tanks.-An inclined settling-tank of the type in which the accumulated solid acts as a filter for the liquid is provided at its lower end with a depending curtain 5 forming a compartment 10 to which the in-coming liquid is delivered and from which it passes under the curtain across the full width of the tank. The lower edges of the curtain and the outlet 12 are serrated. The sludge is drawn off continuously or at intervals through pipes 14. Two tanks may be placed side by side or, as shown, end to end with a common compartment 10. Instead of being serrated, the curtain 5 may be formed with a series of circular holes near its lower end, the outlet 12 comprising similar holes. Specifications 11410/05 and 7179/14 are referred to.
Patent GB-676796-A (GB)
Title: Improvements in or relating to washing machines
Inventor: MADDOCK-CLEGG LAWRENCE HAMER
IPC: D06F34/08
Filed: 1949-10-06
Abstract: 676,796. Washing- machines. FISHER & LUDLOW, Ltd. Sept. 29, 1950 [Oct. 6, 1949], No. 25755/49. Drawings to Specification. Class 138 (ii). A clothes washing machine in which the articles can be subjected to a " hot " wash cycle wherein the temperature of the washing water is as high as can be obtained from the supply, or to a " warm " wash cycle wherein the temperature of the washing water is controlled at a selected level, is provided with means for automatically actuating the cold water inlet valve at the commencement of at least the first rinse period, during a " hot " wash cycle, so as to admit cold water for a predetermined time, hot water only being admitted thereafter during the remainder of the rinse period. The machine may be controlled through a timer mechanism and three rinse periods are preferably provided, an initial quantity of cold water being admitted at the beginning of the first two rinse periods only. The third rinse is carried out under warm conditions, i.e. the temperature of the final rinsing water is maintained at approximately 97 F. by volumetric or thermostatic control means. The invention is described as applied to the thermostatically controlled machine described in Specification 675,115, most of the subjectmatter of which is included in the present Specification. An additional cam controlled switch is provided to connect the cold water solenoid directly across the mains, and this switch closes for a short interval at the beginnings of the " soak " period and of the first two rinse periods to admit a small quantity of cold water to the tub. The selection of a " hot or " warm " cycle is made by means of a manuallyoperated switch, but according to the Provisional Specification this may be eliminated by using cams in the timer which arrange for separate " warm " and " hot " washing cycles. Specification 600,055, [Group XIII], also is referred to.
Patent GB-637577-A (GB)
Title: Improvements in or relating to roll covers for textile fibre drafting
IPC: D01H5/74
Filed: 1946-08-28
Abstract: The composition of the lap resistant roll cover of the parent Specification is modified in that the water ionizable compound is sodium nitrate, sodium chloride, sodium sulphate, or the corresponding potassium salts; zinc nitrate, zinc chloride, zinc sulphate, ferrous or ferric chloride, stannous or stannic chloride; acetic, citric, tartaric, lactic or maleic acid; or ammonium or calcium hydroxide.  In addition, vegetable protein such as soybean or wheat protein may replace the animal protein. Alums such as potassium aluminium sulphate and sodium aluminium sulphate, and also aluminium sulphate are stated to be unsatisfactory for use in the process of the parent Specification.  The synthetic rubber may also have a water vapour permeability of at least 0.8X10-3 grams per sq. cm. per day measured with a humidity differential between that of desiccated air and air at 80 per cent relative humidity at 70 DEG  F. Specifications 637,574 and 637,575 are referred to.ALSO:The composition of the lap-resistant roll cover of the parent specification is modified in that the water ionisable compound is sodium nitrate, sodium chloride, sodium sulphate, or the corresponding potassium salts; zinc nitrate, zinc chloride, zinc sulphate, ferrous or ferric chlorides, stannous or stannic chlorides; acetic, citric, tartaric, lactic or maleic acids; or ammonium or calcium hydroxides.  In addition, vegetable protein such as soyabean or wheat protein may replace the animal protein. Sand may also be added.  Alums such as potassium aluminium sulphate and sodium aluminium sulphate, and also aluminium sulphate are stated to be unsatisfactory for use in the process of the parent Specification.  The synthetic rubber may also have a water vapour permeability of at least 0.8 x 10-3 grams per sq. cm per day measured with a humidity differential between that of desiccated air and air at 80 per cent relative humidity at 70 DEG F.  Specifications 637,574 and 637,575 are referred to.
Patent GB-459244-A (GB)
Title: Improved method of, and means for, polishing or surface treating hollow-ware and like articles
IPC: B24B41/06
Filed: 1935-09-18
Abstract: 459,244. Polishing &c. hollow-ware. JOSEPH, Ltd., N. C., and JOSEPH, B. C., Birmingham Road, Stratford-on-Avon. Sept. 18, 1935, No. 25835. [Classes 60 and 138 (i)] In a method of polishing or surface-treating hollow-ware and like articles, the article is rotatably carried on a holder so that when applied to a polishing mop or the like, the article can be rotated automatically by the mop against pressure controlled by the operator resisting the rotary movement. In the construction shown, a mandrel 2 rotatably mounted on a handle 1 engages the base and the neck of an aluminium teapot 4, so that when the latter is held against a polishing mop or the like it is automatically rotated. In a modification, the article is fixed on the mandrel by movable clamping or gripping means.
Patent GB-1466716-A (GB)
Title: Electropneumatic or electrohydraulic control apparatus
IPC: F15B21/08
Filed: 1974-06-11
Abstract: 1466716 Fluid-pressure control circuits WABCO WESTINGHOUSE GmbH 11 June 1974 25852/74 Heading F1P [Also in Division E2]  A fluid-pressure operated actuator 24 is controlled by a circuit which includes a bi-stable switch 14, which is changed over by successive electrical pulses from a push-button 3, and an electromagnetically operated valve 8, controlled by the switch 14, which includes passive means for retaining its setting. When the button 3 is depressed the switch 14 is changed over by a solenoid 15 and one or other of coils 5, 6 receives current. This reverses the polarity of a permanent magnet which causes a servovalve 19 to change over the valve 8. The circuit retains this state until the button 3 is pushed again.