baber/WOPTO huggingface dataset:
Patent GB-1183825-A (GB)
Title: Improvements in or relating to Hydraulic Systems.
IPC: B62D11/08
Filed: 1967-03-14
Abstract: 1,183,825. Hydraulic brakes; valves. ALFRED TEVES G.m.b.H. 14 March, 1967 [5 July, 1966], No. 11826/67. Headings F2F and F2V. In an hydraulic brake system two pressure medium circuits of a brake and steering brake system comprise master cylinders 38, 39, pressure medium lines 48, 36 and 49, 37 leading to wheel brake cylinders 30 and 31 respectively are connected to one another via a pressureequalizing valve 1 so that when both master cylinders are operated the two brake circuits are automatically equalized both pressure medium circuits remaining separate from one another. The equalizing valve 1 comprises a valve casing having two closed cylinder bores 3, 4 connected to one another via two channels 21, 22, a piston 5, 6 which divides each cylinder bore into two chambers being so slidably disposed therein that on each occasion one chamber is connected by a channel to the pressure medium inlet 8, 7 and the other chamber is connected to the pressure medium outlet 13, 14, a non-return valve 26 (Fig. 2) being disposed in each pressure medium inlet which is retained in its flow position by the piston 5, 6. In operation, when the brake master cylinders 38, 39 are actuated pressure fluid flows via the connection, 7, 8 through a chamber in each valve into the chambers 54, 55 and via the connecting channels 21, 22 to the equalizing chambers 56, 57 to the outlet bores 13, 14 leading to the wheel brake cylinders 30, 31 of the front axle. As soon as the pressure in one of the separate chambers 54, 55, for instance the chamber 54, exceeds the pressure in the chamber 55, the piston 5 is moved to the right in the cylinder bore 3 against the force of a compression spring 59 so that some of the pressure medium in the other circuit in the equalizing chamber 56 is displaced until the pressure in both circuits is equal. Under extreme conditions the piston 5, 6 is moved against the force of the compression spring 59, 58 until a cam member 60, 61 provided on the piston 5, 6 is almost lifted from the valve member 26 and closes the pressure medium passage from the connections 7, 8 to the chambers 54, 55. If it is desired to assist cornering of the vehicle, only one master cylinder 38, 39 is operated in the direction which the vehicle is to turn off and pressure medium enters the valve 1 via one of the pressure medium inlets 7 or 8 so that one of the pressure lines remains substantially unpressurized and the corresponding equalizing piston moves against the force of the compression spring and closes the flow to the valve 26 in the closure screw 23, 24 such that none of the front wheel brake cylinders respond but one of the pressure lines 46, 47 leading to the rear wheel brakes 61, 62 is pressurized. A further embodiment is disclosed in the Specification (Fig. 3, not shown) wherein the rear wheel brakes are applied by mechanical actuating means working in conjunction with the hydraulic master cylinders. The equalizing valve is provided at at least one of the chambers 54, 55 with a bleed bore 20 closed by a screw 19.
Patent GB-165998-A (GB)
Title: Preventing oxidation and volatilisation of the contacting points of electrical and like apparatus
IPC: H01H50/76
Filed: 1920-04-30
Abstract: 165,998. Perrem, F. C. April 30, 1920. Electromagnetic interrupters; cases. - The make-and-break contact and the armature attached thereto by which the device is operated arc mounted as a unit within a casing from which the air is partially or completely exhausted or replaced by inert gas or gases, the casing being secured detachably on an induction coil so that the armature comes under the influence of the operating-core. In the arrangement shown, a tube 3 of glass or metal wholly or partially exhausted of air which may be replaced by inert gas is secured by the band supports 4 and the clamping-nuts 5 on the end of the primary winding 1 having a core 2. The tube contains a trembler blade 7 which carries a contact 8 co-operating with an adjustable fixed contact carried on a bridge and terminating in a curved armature 12 lying opposite the core 2. The tube containing the make-and-break element can be readily replaced.
Patent GB-1208445-A (GB)
Title: Improvements in or relating to hydraulic selector valves
Inventor: GREEN MARTIN
IPC: B60T13/12
Filed: 1967-03-15
Abstract: 1,208,445. Valves; fluid-pressure brakes. GIRLING Ltd. 30 Jan., 1968 [15 March, 1967], No. 12082/67. Headings F2F and F2V. A selector valve 1, adapted to permit simultaneous or selective actuation of wheel brakes on opposite sides of a tractor, comprises a fluid pressure inlet 2 which is connected to the brake master cylinder, a pair of varying diameter and interconnected cylindrical bores 3, 11, which bores communicate with the inlet, and two outlets 12 each of which opens into the bore 11 and communicates with the brake slave cylinder on one of the sides, there being within each bore a valve member 7 which is adapted to close the adjacent end of the bore 11, and a plunger 4 which is connected to the valve member stem 6 by a spring 8 and which has a portion projecting out of the housing 8 into engagement with a cam 14. Upon clockwise rotation of the cam, as by a manually operable lever (17, Fig. 2, not shown), a pawl 19 engages the corresponding one of cam grooves 21 and the left hand plunger, as seen in the drawing, is moved upwardly thereby moving valve member 7 into abutment with its seat and so closing the left hand outlet 12. The consequent pressure build-up at the inlet enhances the sealing force applied to the valve member and simultaneously acts on the plunger 4 to return it, and hence the cam, to the neutral position shown. Subsequent to the relief of the master cylinder pressure, as by application of the brakes, valve member 7 is unseated by the action of a spring 13. In a modification (Figs. 3-5, not shown), the cam is formed with flats (22) and the pawl is replaced by a spring-biased roller (23), the actuating mechanism being enclosed by a rubber case (29).
Patent GB-916467-A (GB)
Title: Improvements in or relating to the protection of lipids against oxidation
IPC: C11B5/00
Filed: 1960-04-05
Abstract: Fatty acids, and animal and vegetable fats and oils such as groundnut, soyabean, arachis, colza and fish oils, bird fat and lard are protected against autoxidation by the inclusion, preferably in an amount of 3-7 parts in 10,000 parts of the fatty material by weight, of a composition comprising (a) ascorbic acid, (b) citric acid, (c) a fatty acid ester, suitably an ester of ethylene glycol or glycerol, and in particular glycerol monostearate or monopalsitate.  (a) and (b) preferably each comprise 1-18% and (c) 64-98% by weight of the antioxidant composition.  The antioxidant composition may also contain a C1-4-monohydric alcohol, or a C2-4-diol or a mono-ester thereof.  Fatty acid such as palmitic acid and esters such as stearyl palmitate and stearate may also be included.
Patent GB-1432113-A (GB)
Title: Peristaltic pump for discharging controlled amounts of liquid
IPC: F04B43/12
Filed: 1974-03-19
Abstract: 1432113 Peristaltic pumps E MOCHIDA 19 March 1974 [30 March 1973] 12133/74 Heading F1F A peristaltic pump comprises a plurality of tubes T provided with upstream and downstream common blocking flanges P 1 , P3 which block tubes T by pressing them against a face plate 3 operated by rams R 1 , R 3  connected to the pistons of air cylinders controlled by solenoid valves SV 1 , SV3, and liquid-squeezing means in the form of plates P 2  which co-operate with respective sets of three tubes and are controlled by similar rams, air cylinders and solenoid valves. The sequence of discharging a specified quantity of liquid from a tube is shown in Fig. 5 where flange P 1  first blocks tube T and then squeeze plate P2 squeezes a predetermined amount of liquid downstream. Finally downstream flange P3 blocks the tube before plate P 2  and flange Pi are withdrawn from tube T, flange P 3  thus preventing back-flow of liquid due to suction. Means for stretching tube T comprises rings H 1 , H 2  fixed to the upstream and downstream ends of tube T, a plate O secured to plate 3, and a lever K abutting the underside of ring H 2 . Screws N 1 , N2, N3 can be used to adjust the tension on tube T. The operating sequence of the pump can be controlled by providing cam-operated switches for the solenoid valves Fig. 4 (not shown). The plate 3 may be made of transparent plastics material or of metal, and tubes T can be made of a soft silicon resin.
Patent GB-910126-A (GB)
Title: Improvements in or relating to rotary couplings
IPC: G01R11/56
Filed: 1961-04-05
Abstract: 910,126. Counters. LANDIS & GYR A.G. April 5, 1961 [April 11, 1960], No. 12188/61. Class 106 (1). [Also in Group XXIV] The tens transfer wheels 9, 109 of the counter mechanisms I, <SP>*</SP>II of a dual-tariff electricity meter are alternatively engaged with and disengaged from the main drive train 12-15 by levers 11, 111 conjointly operated by a solenoid and armature 23, 22 to actuate clutches 2, 102 in the respective drives. Each of the clutches is of the spring-loaded positive type, a lug 5 on one element engaging facial serrations on the other element (see Group XXIV).
Patent GB-585698-A (GB)
Title: Improvements in electric switching systems
IPC: H03K17/78
Filed: 1944-06-28
Abstract: 585,698. Valve relay circuits. LONDEX, Ltd., and BESSON, A. P. June 28, 1944, No. 12270. [Classes 40 (iii) and 40 (v)] In a circuit in which a relay 1 is controlled by a discharge in a cold cathode tube 6, initiated by the darkening of a photo-electric cell 8, and consequent rise in potential of a striking electrode 7, the voltage supplying the cell and striking anode is stabilized, e.g. by a shunt connected neon tube 12. Preferably the operation of the relay increases the potential of the striking anode to prevent hunting. The system shown is supplied by A.C. mains. The sensitivity of the device is increased by the provision of rectifier 15 and condensers 16, 17.
Patent GB-559869-A (GB)
Title: Apparatus for use in the pickling, washing or analogous dipping operations on tubes,bars and the like
IPC: C23G3/04
Filed: 1942-09-01
Abstract: 559,869. Pickling metals; tinning. T. I. (GROUP SERVICES), Ltd., and EVANS, D. W. T. Sept. 1, 1942, No. 12327. [Class 82 (ii)] In an apparatus for use in pickling, washing and analogous dipping operations on tubes, bars &c. of the type in which a number of tubes &c. are carried on the bight of a flexible carrier, e.g. in the form of a chain, adapted to lower and raise the tubes &c. into and out of a bath or other receptacle with a relative rolling or tumbling action, the flexible carrier is mounted on a movable framework adapted to transport the tubes &c. from one position to another. In one form, the framework is pivotally supported and in another it is provided with wheels which run on rails. In the first form, Fig. 1, the flexible carrier m is secured at its ends to drums k mounted on shafts j secured to the outer ends of arms b, c of a framework a provided with trunnions d and supported on horizontal arms in bearings e between a pair of parallel baths f; one containing pickling liquid and the other water. The framework a is adapted to be swung about to pivot axis through 90 degrees so as to transfer the carrier from one bath to the other. The shafts j<SP>1</SP> are driven from an electric motor o through a reduction gear p and chains q, t. In the second form, Fig. 3, the part b<SP>1</SP> of the framework a<SP>1</SP> carrying the shaft j' to which the carrier m<SP>1</SP> is secured, passing over a pulley 5 mounted on the part c<SP>1</SP> of the framework a<SP>1</SP> is mounted on wheels 2 which run on rails 3 so that the carrier m<SP>1</SP> may be transferred from one bath f<SP>1</SP> to another one which is in line therewith. In another form, the framework a<SP>1</SP> may be mounted to run on arcuate rails, being carried by arms secured to a vertical pivot.
Patent GB-289478-A (GB)
Title: Improvements in and relating to the manufacture of incandescent electric lamps
IPC: H01K1/54
Filed: 1928-04-27
Abstract: 289,478. British Thomson-Houston Co., Ltd., (Assignees of Severin, C.). April 29, 1927, [Convention date]. Drawings to Specification, Residual gases; filaments. - Halogen compounds are applied as getters to the filaments of gas-filled lamps, e.g. of the kind described in Specification 10918/13, which are then flash-aged by gradually increasing the voltage from a value considerably less than the normal voltage of the lamp to the normal voltage. The getter may consist of cryolite or other double fluoride, as described in Specification 2901/13 in connection with vacuum bulbs. The flash-ageing operation may be effected by increasing the voltage in about five steps from about one-fifth of the normal to the normal voltage.
Patent GB-195877-A (GB)
Title: Improvements in or relating to pumps
IPC: F04D3/02
Filed: 1922-05-04
Abstract: 195,877. Rost, H. May 4, 1922. Screw pumps; impellers in parallel. - Oppositely-arranged helical members 25 secured upon a shaft 16 rotate within a chamber formed of a central barrel 1 with an inlet branch 10 and elbow sections 2, 3 having outlets 14. The central barrel may have a liner 11 clamped in place by the elbow sections. The periphery of the helical members is fitted with packing strips 27. The shaft passes through glands 15 and is supported in bearings 22, 23 of which the former is a thrustbearing.
Patent GB-1245198-A (GB)
Title: Preparation of reinforced hose
IPC: F16L11/04
Filed: 1970-03-17
Abstract: 1,245,198. Hose. GOODYEAR TIRE & RUBBER CO. 17 March, 1970 [1 April, 1969], No. 12741/70. Heading F2P. In a method of producing a fabric reinforced hose, a fabric sheath is coaxially located about a length of flexible elastomeric tubing, fluid pressure is internally applied to the tubing to expand it into contact with the sheath, and a composite structure formed by the use of a liquid polyurethane reaction mixture to bond the sheath and tubing together, the reaction mixture is cured and the fluid pressure to the elastomeric tubing removed. The polyurethane reaction mixture may be applied to the elastomeric tube prior to the application of fluid pressure or alternatively to the fabric sheath after the application of fluid pressure. In both cases the reaction mixture permeates the fabric sheath. The fabric sheet is preferably of polyamide, polyester, cellulose, cellulose derivatives or wire. The polyurethane mixture may be prepared from (a) a reactive hydrogen containing material having a molecular weight from 700 to 5000 e.g. polyester polyols, polyether polyols, castor oil and hydroxyl terminated polymeric polyols having a hydroxyl functionality of from about 2 to 3 and molecular weight from 2000 to 4000, (b) an organic di-isocyanate e.g. diphenyl methane - 4,4<SP>1 </SP>- di - isocyanate and 3,3<SP>1</SP>- dimethyl - 4,4<SP>1</SP> - bisphenylene di - isocyanate and (c) a curing agent selected from diamines with primary and secondary amino groups, hydroxyl amines, hydrocarbon diols and di-, hydroxy-, or amino-carboxylic acis, e.g. ethylene glycol, 1,3-propane diol, 1,4-butane diol, ortho-dichlorobenzedine and methylene bis orthochloroaniline. The elastomeric tubing may also be of such a polyurethane or natural or synthetic rubbers. The elastomeric tube may be built up on a steel mandrel covered with a release agent by the application of two layers of the reaction mixture with curing after each application cross-linking agents may be added to the reaction mixture to produce a cellular polyurethane which increases the buoyant properties of the hose.
Patent GB-437297-A (GB)
Title: Improvements in expansion sockets for bolts for building and engineering purposes
IPC: F16B13/08
Filed: 1934-04-27
Abstract: 437,297. Expansion sockets. PHILLIPS, N., Karachi, Upton Road, Bexleyheath, Kent. April 27, 1934, No. 12770. Addition to 367,547. [Class 89 (i)] In a wall expansion socket as described in the parent Specification, the expansible member 3 is provided with longitudinal slits 4 to facilitate its expansion. The member is also provided with recesses 9 for the reception of an angled bolt head. On tightening the bolt the angles bite into the walls of the recess and prevent the socket 3 from turning.
Patent GB-734057-A (GB)
Title: Improvements in or relating to fences, railings and similar tubular structures
IPC: E04H17/06
Filed: 1953-05-08
Abstract: 734,057. Fencing. TURNER'S ENGINEERING FORGINGS, Ltd., and TURNER, H. J. Feb. 15, 1954 [May 8, 1953], No. 12829/53. Class 45. In a fencing or railing comprising a tubular structure of posts a and rails b, the rails have tongue and' slot connections with the posts. The fence shown in Fig. 1 carries a screen m of wire netting, expanded metal or chain link mesh. As shown in Fig. 6, the tongues c are formed by flattening the ends of the rails band the slots d are formed in the post a, the tongues being straight, or bent so that the tongues coact with each other or with the internal surfaces of the posts. In a modification the tongues are carried by sockets fixed to the ends of the rails. In the modification shown in Fig. 12, the ends of the rails are partially flattened to receive the ends of a connecting plate c resting in the slots d which extend to the top of the post over which a cap l is fitted.
Patent GB-671279-A (GB)
Title: Ceramic capacitor
Inventor: KHOURI ALFRED S
IPC: H01G4/005
Filed: 1950-05-24
Abstract: 671,279. Capacitors. GLOBE-UNION, Inc. May 24, 1950, No. 13040/50. Class 37. [Also in Group XL (c)] A capacitor comprises a ceramic base having a plurality of electrodes applied to one surface thereof, the high dielectric constant of the base causing the faces of the electrodes contacting the base to function as the capacitor plate areas rather than the adjacent edges thereof. Fig. 1 shows, e.g. a capacitor-resistor network comprising capacitor plates 14, 16, 18 applied, e.g. by the stencilled screen process to one side of a ceramic base 10 having a high dielectric constant of the order of 3000 and a resistor 20 in the form of a carbon containing paint applied as shown. Leads 22 are soldered into holes 12. A single capacitor may have plates forming interleaved fingers 30, 34, Fig. 5, applied to the base 10. In a further capacitor-resistor unit, Fig. 6 (not shown), a resistance strip forms one of the capacitor plates.
Patent GB-131318-A (GB)
IPC: F16H15/10
Abstract: 131,318. Hanzer, P. March 18, 1916, [Convention date]. Change-spced gearing.-Continuously-variable friction-disk gearing in which the adhesion pressure between the disk and roller varies as the roller slides on its shaft, is combined with a second epicyclic variable-speed gear. The driving disk 11 is engaged by the driven roller 4 sliding on a shaft 3 universally-jointed at one end at 55 and carried at the other end in a. spring-pressed sliding bearing 43. The shaft 3 drives a chain sprocket 23 through the universal joint, a short shaft 19 mounted in bearings 30. and an epicyclic gear 1 of the sun-and-planet type. The sprocket can be clutched by a dog-clutch C to the shaft 19 for a direct drive, or a reduced speed can be obtained by holding the gear casing stationary by means of a band brake 2 operated by a pedal through a shaft 41. On the periphery of the gear casing is riveted a strap or ring to form the braking surface of the band 2.
Patent GB-468007-A (GB)
Title: Improvements in or relating to combined open fireplaces and cooking ovens
IPC: F24B1/191
Filed: 1936-05-09
Abstract: 468,007. Hinges. DRAKEFORD, A. May 9, 1936, No. 13157. [Class 65 (ii)] [Also in Group XI] In a combined open fireplace and cooking stove of the kind in which the surround a and the oven doors b comprise a facing of tiles c on a concrete lining d, each door b is mounted on a headed hinge pin g which is inserted from above into aligned bearing sleeves f, e embedded in the concrete lining of the surround and the door respectively.
Patent GB-514342-A (GB)
Title: Improvements in the manufacture of polyhydric alcohols
IPC: C07C31/18
Filed: 1938-05-03
Abstract: 514,342. Polyhydric alcohols. TAYLOR, A. W. C., WOOLCOCK, J. W., HELLICAR, A. G., and IMPERIAL CHEMICAL INDUSTRIES, Ltd. May 3, 1938, Nos. 13215 and 15378. Drawings to Specification. [Class 2 (iii)] In the production of polyhydric alcohols by hydrogenation of mixtures of hydroxyaldehydes and hydroxy-ketones obtained by the condensation of formaldehyde in the presence of a catalyst and of methanol as diluent, the remaining formaldehyde and preferably also the methanol are removed previous to the hydrogenation, the formaldehyde being removed by conversion into methylal which is then distilled off, or by distillation in the presence of methyl and/or ethyl alcohol. This purification reduced the consumption of catalyst in the hydrogenation. The hydroxy-aldehyde and hydroxyketone mixture may be treated to remove water, and then treated with methanol in excess and 5-10 per cent. sulphuric acid for the production of methylal which is then distilled off after neutralizing the acid. The remaining mixture is treated with centinormal sulphuric acid to hydrolyze acetals and, after removal of the acid as calcium sulphate, is suitable for hydrogenation. Alternatively, the initial mixture may be supplied at the top of a stripping column and a stream of methyl or ethyl alcohol as vapour or liquid is supplied at the bottom, whereby the formaldehyde is removed together with water and alcohol. The hydrogenation may be effected with activated nickel, which may be on a carrier, at 40-50 atmospheres and 120-150‹C. Specification 309,200, [Class 2 (iii)], and 513,708 are referred to.
Patent GB-745394-A (GB)
Title: An improved locking device for the hydraulic lift arrangement of tractors
Inventor: KVERNELAND HAKON
IPC: A01B63/10
Filed: 1953-05-12
Abstract: 745,394. Tractor power-lift mechanisms. KVERNELANDS FABRIKK, AKTIESEL. SKAP. May 12, 1953, No. 13238/53. Class 79 (1). A locking device for the hydraulic lift arms 2 of a tractor comprises a frame 5 pivoted on the tractor frame and which supports the arms 2 when in the raised position, slots 8 in the frame engaging pins 9 on the lift arms. The frame is moved by means of a resilient rod 10 which engages a catch 12 and which will retain the frame in its raised position to allow the arms 2 to swing upwards and engage the frame.
Patent GB-133035-A (GB)
IPC: B63C7/16
Abstract: 133,035. Cheney, C. G. March 19, 1917, [Convention date]. Framing. - One or more plates carrying heavy securing loops 7, are attached to the ship by bars 8 fixed to the deck beams and interior keel. The loops 7 are utilized to engage hooks by which the ship is recovered, if sunk.
Patent GB-1219784-A (GB)
Title: Addressing apparatus
IPC: G11C11/06
Filed: 1968-03-19
Abstract: 1,219,784. Magnetic storage arrangements; transistor switching circuits for inductors. HEWLETT-PACKARD CO. 19 March, 1968 [22 May, 1967], No. 13343/68. Headings H3B and H3T. In a magnetic storage matrix in which reading and writing is effected by coincident half currents in column and row lines, a halfcurrent read pulse in a selected line 1, 2 . . . N causes an associated capacitor 14 to be charged, this capacitor being subsequently discharged through the line by closing a transistor switch 30, thereby providing a half-current pulse of reverse polarity for restoring the storage core 10 previously read out to its initial state. For reading, each line has its individual transistor switch 20, the read-out current being limited to the required half-current value by a current limiter 16. For restoring an interrogated core, the circuit comprising transistor switch 30 and a current limiter 32 is closed, this circuit being connected to all the capacitors 14 through line decoupling rectifiers 28. In a modification Fig. 3, a single current limiter 36 is used for both the reading and writing currents by connecting it a bridge arrangement of rectifiers 38, 40, 42, 44.