baber/WOPTO huggingface dataset:
Patent GB-234349-A (GB)
Title: Improved apparatus for obtaining power from the force of expansion of a liquid
IPC: F03G5/00
Filed: 1924-09-25
Abstract: 234,349. Meier, K. H. Sept. 25, 1924. Motors operated by force of expansion of liquids by heat. - An apparatus for obtaining power from the force of expansion of a liquid such as mercury, toluol, or olive oil, comprises a vessel 1 for the liquid, a plunger 4 passing through an opening in the cover, and a flexible cap 3 surrounding that part of the plunger within the vessel at any time. During expansion of the liquid, the piston is raised and a rack 5 drives a gear wheel 6 loosely mounted on a spindle carrying a chain-wheel 7 which is connected to a second chain-wheel 10 loosely mounted on a spindle 9. The chain-wheel 10 carries a resilient pawl 11 to engage a ratchetwheel 12 keyed to the spindle which also carries a second ratchet-wheel 13 and a pulley 15; a fixed pawl 14 engages the wheel 13. A cord 16 passes round the pulley 15 and the pulley 17 of a clock, and carries weights 18, 19. The gearwheel 6 is coupled to the chain-wheel 7 by a spring clutch, and to prevent overwinding of the clock this clutch is disengaged by a pivoted lever 22, one end of which is connected to the weight 18. The pressure of the liquid may be controlled by a screw plunger 26.
Patent GB-627933-A (GB)
Title: Improvements in or relating to housings for apparatus installed in sub-aqueous cables
IPC: H02G15/14
Filed: 1947-08-15
Abstract: 627,933. Cable joints. STANDARD TELEPHONES & CABLES, Ltd., ROCHE, A. H., and ROE, F. O. Aug. 15, 1947, No. 22690. [Class 38 (i)] [Also in Groups XXVIII and XXXIX] In an amplifying repeater for a subaqueous cable of the type wherein the repeater is contained within an articulated steel casing 1 enclosed within a thin hermetically-sealed copper shell 2, the repeater components are mounted on metal or insulating discs 4 supported on and perpendicular to a central cylindrical member 3 such as a copper tube or rod. For the method of fixing the discs to the member 3, (see Group XXVIII). Recessed in grooves in the edges of the discs are resilient buffers 8, either of rubber or formed as toroidal springs. Connection between components on adjacent discs is made by spring leads 9 and between components on one side of one disc, by rigid leads 10. Where a tubular member 3 is employed, leads may be passed through it and brought out through apertures in the wall thereof. The central member may also serve as an earth connection. Specification 563,158 is referred to.
Patent GB-847637-A (GB)
Title: Improvements in systems for controlling variables
IPC: G05B11/42
Filed: 1957-07-18
Abstract: 847,637. Fluid-pressure servomotor control systems. BAILEY METERS & CONTROLS Ltd. July 18, 1957 [July 18, 1956], No. 22778/57. Class 135. A system for the time-cycle control of a variable includes an instrument responsive to the variable and adapted to establish a first signal representative of the magnitude of the variable, a controller for establishing a second signal, in which direction-control means are arranged selectively to effect operation of a signal transmitter driven in one direction by motor means to vary the value of the second signal in one sense or in the other direction to vary the value of the second signal in, the opposite sense, and in which provision is made for energizing circuits of the motor means through separate interrupters, the arrangement being such that by adjustment of the interrupters the respective speeds at which the signal transmitter is operated may be adjusted, and comparison means adapted by comparing the first and second signals to establish a control signal and thereby effect regulation of the variable by operation of regulation means responsive to the control signal. In the arrangement shown a fluid flowing through a conduit 13 is heated by a second fluid flowing through a second conduit 14, the flow of the latter being regulated by a valve 23 through a relay 20, which may be of the type described in Specification 739,501. Bellows A of this relay is subjected to an air pressure representative of the temperature of the heated fluid through a pipe 18 connected to a Bourdon tube transmitter 15, which may be as described in Specification 736,731, and a temperature-sensing bulb 17 in conduit 13. Bellows B of the relay is subjected, through a pipe 12, to air pressure representative of the desired programme temperature supplied by a mechanical-pneumatic device 25 driven through a cam 27 by a reversible electric motor 26. To commence a cycle a selector 3 is set to adjust an interrupter 33 in series with motor winding 32, to control the speed of motor 26 and thus the rate of increase of pressure in pipe 12, cam 27 controlling the manner in which the temperature varies with time. The motor functions until the pressure in a bellows 40 operates switches 37, 38, 41, present by the bellows 39 of a manually adjusted maximum temperature control 4,. when the motor is stopped and the pressure maintained in pipe 12 by a preset timing device 5. At the end of this period a second selector 6 commences to operate, an interrupter 48 in series with a second motor winding 47 reversing the direction of rotation of motor and controlling its speed, to regulate the rate of pressure fall in pipe 12. The control mechanism 22 of valve 23 may be of the type described in Specification 683,696. U.S.A. Specification 2,729,222 also is referred to.
Patent GB-1450369-A (GB)
Title: Vehicle lifting jacks
IPC: B66F13/00
Filed: 1975-05-23
Abstract: 1450369 Jacks AUGUST BILSTEIN 23 May 1975 [7 Aug 1974 12 Aug 1974 10 March 1975] 22785/75 Heading B8J A jack comprises a leg 13 including a support foot 12 and a carrier arm 14 pivoted thereto at 15 with a load head 20 at its free end to engage a weld seam 10 on a vehicle body. The arm 14 is adjusted by manual rotation of a spindle 16 threaded through a nut 17. The support foot 12 is formed as a non-hinged tilting foot on the leg 13 and includes an extended locating surface 23 in addition to its contact surface 19 as well as a non-slip rib 62 covered with rubber. The spindle 16 is supported in the arm 14 by way of a bearing plate 27 engaging ball bearings (281, Fig. 9b (not shown)), contacting a dished bearing race 61 allowing tilting movements. The handle 18 may have a kink (129), Fig. 5 (not shown), arranged to stress parts of the jack when carried in an unloaded condition to prevent rattling.
Patent GB-729576-A (GB)
Title: Improvements relating to means for supporting iron oxide in trays in purifiers
IPC: C10K1/22
Filed: 1952-09-11
Abstract: 729,576. Gas purifiers. McNAIR, J. Sept. 11, 1953 [Sept. 11, 1952], No. 22815/52. Class 55 (2). A holder for iron oxide &c. which permits the contents to be extruded on the removal of temporary supports comprises an outer frame 1, preferably tapering slightly, with two or more sets of removable side bars 4 supported by wedges or cotter pins 5 inserted in uprights 5a, the bars supporting transverse bearers 6 which carry wooden grids 10. The assembly is held in position by base bars 7 bolted &c. to angle bars 9 fitted to the lower edges of the outer frame, or the uprights may be hung from cross bars laid across the top of frame 1. A vertical gas tube 11 is centrally positioned by hook-ended bars engaging the side bars 4. The inner unit may be extended by a hydraulic ram which in the form shown includes a yoke 12 and a pressure plate 13 caused by a number of rams or jacks 14 after bars 7 are. removed to pass evenly upon the tops of the uprights and the top layer 3 of oxide. A modification provides brackets along the lower edges of frame 1 with recessed bearer members releasably secured by cotter pins for receiving the lower end of the uprights. An H-section bar passed through apertured brackets secured to the upper end of frame 1 serves as an abutment for jacks pressing on the top of the uprights. In a further embodiment the unit comprises a square frame with nine compartments, the trays or grids being supported by hinged angle and T-section bars which may be swung out of position on the trays being raised slightly by a jack.
Patent GB-441887-A (GB)
Title: Improvements in concentrating devices for use in conjunction with placer mining machines
IPC: B03B5/56
Filed: 1934-08-07
Abstract: 441,887. Washing granular materials. TOOTHAKER, B. A., and TOOTHAKER, E. C., 448, Josephine Street, Denver, Colorado, U.S.A. Aug. 7, 1934, No. 22862. [Class 82 (ii)] A concentrating device for use in conjunction with placer mining machines comprises a reciprocating pan with a substantially flat bottom, fixed riffles mounted on the bottom parallel to the direction of reciprocation, and retaining flanges on all its edges, one of the flanges parallel to the riffles being relatively low. Means are provided to tilt the pan from the feed side towards the lowflanged side at which the tailings are discharged. In the form shown the material is fed from a hopper 46 into a rotary screen 43 in which it is washed by water from a perforated pipe 47. The fine particles pass through into a launder 50 leading to a central discharge shoot 51 which passes the material to one end 55 of a fan-shaped distributer 52, provided with adjustable guide members 58, Fig. 3, which distributes the material evenly along one side of the pan. The pan has retaining flanges 33, 34 on three of its sides and on the side opposite the feed side has only a low upright flange 41. L-shaped riffles 35 which are parallel with the feed side of the pan and extend up the retaining flanges 34 are secured to the bottom of the pan. The pan is mounted in a frame which reciprocates in a direction parallel with the riffles. The frame consists of two members 21 having sloping extensions 22 which accommodate the sides 34 of the pan and terminate in upward . extensions 23 having inwardly projecting parts 24. The members 21 are attached to an inverted channel bar 18 which is reciprocated by a rod 12 actuated by an eccentric and having collars engaging a downward projection on the bar 18. The upward extensions 23 of the frame are provided with lugs to which chains 27 are connected, the upper ends of the chains being adjustably secured so that the frame may be tilted to adjust the inclination of the pan. The pan is provided with a cover 37 from which depend pins 39 which extend nearly to the bottom of the pan, the cover being clamped to the pan by set screws 25 passing through the inwardly projecting parts 24 of the pan frame. In operation the waste is discharged over the side of the pan opposite the feed side and the concentrates collect between the riffles. The pan and the cover are then removed from the pan-supporting frame, the cover is removed, and the pan emptied.
Patent GB-416176-A (GB)
Title: Improvements in or relating to automatic volume control systems suitable for use in radio receivers and like apparatus
IPC: H03G3/22
Filed: 1933-08-16
Abstract: 416,176. Valve circuits for wireless reception. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London.-(Assignees of Chittick, K. A. ; A101, Haddon Heights Apts., Haddon Heights, New Jersey, U.S.A.) Aug. 16, 1933, No. 22911. Convention date, Aug. 20, 1932. [Class 40 (v).] The potential drop in an element of a filter circuit is used for supplying anode and grid potentials to a valve used for automatic volume control by connecting a potentiometer thereacross to the ends of which are connected the anode and grid respectively, the cathode of the valve being connected to an intermediate point. As shown a receiver comprises an intermediate frequency amplifier 26 having input transformer 29 and output transformer 31 which latter also feeds the grid of a gain controlling valve 27 through condenser 33. The anode 36 of valve 27 is connected through a high frequency choke 42, load resistance 38 and smoothing choke 58 to the positive end 70 of a potentiometer 66, connected across the resistance 56 and part of the choke 57 in the smoothing circuit of the H.T. source for the other valves which receive their potentials from a potential divider 43-45. The grid 35 is connected to the negative end 69 of the potentiometer 66 which is connected to the end 60 of the resistance 56 through a resistance-capacity filter 72, 73, while the cathode 37 is connected to the potentiometer slider 65. The load resistance 38 of the valve 27 is included in the grid circuit of the amplifier 26 and controls its gain and the lead 39 therefrom supplies gain control potentials for other amplifying valves not shown. The choke 58 may be the field winding of a loud-speaker. In a modification, the gain control valve is a pentode, the operating potentials of which are derived from a potentiometer connected directly across a loud-speaker field winding acting as a smoothing choke.
Patent GB-237760-A (GB)
Title: Improvements in and relating to airplanes
IPC: B64C23/00
Filed: 1924-09-29
Abstract: 237,760. Tuscher, J. Sept. 29, 1924. Aeroplanes; helicopters; propelling. - A flying machine is provided with front and rear driving propellers 10, 13, Fig. 1, driven by separate engines 12. 15, Fig. 3, and a lifting screw 29 driven by a third engine 23 through bevel gear wheels 21, 28. Clutches 20, Fig. 3, fitted upon the driving shafts 11, 14 of the engines 12, 15 driving the front and rear propellers 10, 13, are adapted to be simultaneously actuated by a lever 19, to couple these shafts to the bevel wheel 21 driven by the engine 23, in order that the three engines may assist in the forward propulsion after the machine has left the ground.
Patent GB-1430707-A (GB)
Title: Process for the production of m-chlorobenzene sulphonyl chloride and m-dichlorobenzene
IPC: C07C301/00
Filed: 1974-05-23
Abstract: 1430707 m-Chiorobenzene sulphonyl chloride; m-dichlorobenzene BAYER AG 23 May 1974 [24 May 1973] 23014/74 Heading C2C m-Chlorobenzene sulphonyl chloride is obtained by reacting benzene sulphonyl chloride with Cl 2  in the presence of a Friedel-Crafts catalyst at a temperature from - 20 to 180 C., and separating the product from the catalyst. Specified catalysts are L 2 , SbCl 3 , SbCl 5 , AlCl 3 , AlBr 3 , TlCl 3 , Fe, Fe/I 2 , Fe/S x Cl 2  (wherein x is 1 or more), Fe/S, FeCl 3  and Fe 2 O 3 . The catalyst may be employed in a quantity of from 0À01 to 10% by wt. of the benzene sulphonyl chloride. 1 to 5 mols. Cl 2  per mol. of benzene sulphonyl chloride may be employed. m-Dichlorobenzene is obtained from mchlorobenzene sulphonyl chloride by (a) thermal cleavage generally at 200 to 300 C. optionally in the presence of U.V. radiation, (b) thermal chlorolysis in the presence of a chlorinating agent preferably either in the liquid phase at 150 to 260 C. or in the gas phase at 200 to 400 C., or (c) chlorolysis initiated photochemically or by radicals generally at 20 to 260 C.
Patent GB-380909-A (GB)
Title: Improvements in or relating to shoes, boots, and the like
IPC: A43C11/12
Filed: 1931-08-15
Abstract: 380,909. Boots &c. CRIDLAND, H. J., 26, King Square, and QUANTICK, C. T., 6, Henleaze Terrace, both in Bristol. Aug. 15, 1931, No. 23036. [Class 17 (ii).] A shoe or the like 1 is provided with separable fastening means for closing the front opening 2, and one of the series of elements of the fastening means is adjustable independently of the other series by strap-andbuckle means so that the shoe can be adjusted to suit different sizes of instep. Preferably, one of the series of elements 4 is carried by one edge of the opening 2, and the other series 5 by a strip of leather 6 which overlies the other edge of the opening 2 and the adjacent portion of the upper, a slide member 10 being provided for closing the opening 2. The strip 6 is formed with an integral strap 8 which co-operates with a buckle 9 on the upper. The shoe is further provided with a flap 13, which may form an extension of the tongue of the shoe, adapted to cover the shoe fastening means, and to be held in place by means of press stud fasteners 14 .. 17.
Patent GB-598390-A (GB)
Title: Process for the preparation of new n-substituted derivatives of 3-hydroxy-piperidine
IPC: C07D211/42
Filed: 1945-09-06
Abstract: <FORM:0598390/IV/1> Compounds of the general formula wherein R represents an alkyl, aryl or aralkyl group are obtained by opening the epoxy ring of an N-mono-substituted tetrahydrofurfurylamine by treatment with hydrogen halide and treating the halogenated amino alcohol thus obtained with alkali, whereby cyclisation takes place, or by reacting a 1,5-dichloropentanol-2 or a 1-chloro-4,5-epoxypentane with an amine.  The amines used in preparing the N-substituted tetrahydrofurfurylamine or for reacting with the dichloropentanol or the chloroepoxypentane are primary amines, or secondary amines which are N-diethyl compounds, thus forming a quaternary ammonium compound which is decomposed by the action of caustic alkali.  In examples: (1) to (4), cyclic amino alcohols are obtained by treating with hydrogen bromide followed by caustic potash, (1) N-methyltetrahydrofurfurylamine, (2) N-ethyl-tetrahydrofurfurylamine, (3) N - propyltetrahydrofurfurylamine, (4) N : N - diethyltetrahydrofurfurylamine; (5) and (6), 1-chloro-4 : 5-epoxypentane is heated with (5) monoethylamine and (6) aniline to produce 1-ethyl-3-hydroxypiperidine and 1 - phenyl - 3 - hydroxypiperidine respectively; (7) 1 : 5-dichloropentanol-2 is heated with diethylamine and the product boiled with caustic potash to produce 1-ethyl-3-hydroxypiperidine.  N : N-Diethyl-tetrahydrofurfurylamine is prepared by warming tetrahydrofurfuryl chloride with diethylamine.  1-Chloro-4 : 5-epoxy-pentane is obtained by the action of caustic potash on 1 : 5-dichloropentanol-2.  1 : 5-Dichloro-pentanol-2 is obtained by the action of gaseous hydrogen chloride on tetrahydrofurfuryl alcohol. The Specification as open to inspection under Sect. 91 also describes the use of other secondary amines of general formula <FORM:0598390/IV/2> R1 and R2 being hydrogen or hydrocarbon radicals, the use of other 1 : 5-dihalogenpentanol compounds and of other 1-halogen-4 : 5-epoxypentanes.  This subject-matter does not appear in the Specification as accepted.
Patent GB-379836-A (GB)
Title: Improvements in constructional toys
IPC: A63H33/10
Filed: 1931-08-17
Abstract: 379,836. Constructional toys. RIEL, C., Renchen, Baden, Germany.-(Assignee of Michaelis, W. ; 2, Leopoldstrasse, Baden- Baden, Germany.) Aug. 17, 1931, No. 23151. Convention date, Aug. 16, 1930. [Class 132 (iii).] In constructional toy building sets in which grooves A in an element, for example a beam a, Fig. 2, are adapted to be engaged by projecting portions of complementary pieces, for example a slab c, interlocking is effected by means of ribs f formed by wires attached to the projections, which slidably engage in corresponding channels m provided in the grooves A. Fig. 3 shows three beams a and coupling elements b which engage in the grooves A, and are locked therein by the ribs f engaging channels m in the grooves A.
Patent GB-957323-A (GB)
Title: Improvements in or relating to vehicles
IPC: F16H39/00
Filed: 1960-08-31
Abstract: 957,323. Hydraulic transmission of power. C. VAN DER LELY N.V. Aug. 31, 1960 [Sept. 15, 1959], No. 23246/62. Divided out of 957,321. Drawings to Specification. Heading F2C. [Also in Division B7] The description in this Specification is identical with that concerning the hydraulic transmission for the vehicle in Specification 957,321, but the claims are directed to the vehicle and control means for connecting the high pressure side of the pump of the transmission to a relatively low pressure region so that the pump cannot drive the hydraulic motor and the wheels of the vehicle. Specifications 957,322, 957,324, 957,325 and 957,326 also are referred to.
Patent GB-730212-A (GB)
Title: Improvements in or relating to weed-killers
Inventor: KNIGHT HAROLD PRATT
IPC: A01N59/00
Filed: 1952-09-16
Abstract: A weed-killer composition comprising alkali metal or alkaline earth metal chlorate, preferably sodium chlorate, and a sodium borate preferably tetra-borate decahydrate (borax) or pentohydrate is prepared by mixing the chlorate and the sodium borate containing water of crystallization capable of being liberated at moderately raised temperatures preferably in the ratio of 1-3 parts by weight, subjecting the mixture, with or without the addition of further ingredients, to a heat treatment preferably by circulation of warm air over or through the borate-chlorate mixture spread on wire-mesh trays, at or slightly above the relevant transition temperature i.e. the temperature above which the water of crystallization is liberated by one or more of the ingredients in contact with the chlorate.  In a modified method to the mixture of chlorate and sodium borate (e.g. partially dehydrated borax or partially dehydrated sodium metaborate) boric acid is added which interacts with the sodium borate to liberate water which is subsequently removed by evaporation and/or absorption by partially dehydrated sodium borate.
Patent GB-1314702-A (GB)
Title: Bearing pack
IPC: F16C29/00
Filed: 1970-05-13
Abstract: 1314702 Beds and frames SUNDSTRAND CORP 13 May 1970 [2 April 1970] 23282/70 Heading B3B [Also in Division F2] A rectilinear motion bearing, e.g. for use in a machine tool has a body 25 of cross-shape cross-section with two roller paths defined by the arms of the cross, one side of the cross forming the load bearing paths and the other side forming return paths for the rollers. The rollers in the load bearing paths are retained by a strip 70 secured to the central part of the cross, and the return paths are closed by a plate 75. The rollers are retained laterally by side walls 60, 61. Blocks 53 are provided at each end of the bearing with curved tracks which connect the load-bearing and return paths. The bearing is mounted in a machine tool by means of springs (83), 90 and a wedge-shaped adjustment member (95, Fig. 2, not shown).
Patent GB-149974-A (GB)
Title: Improvements relating to processes for converting combustible substances into soluble organic compounds
IPC: C07C51/21
Filed: 1920-08-09
Abstract: Soluble organic compounds (fatty acids, oxyacids, tar acids, &c.) are obtained by the oxidation of coal or other solid combustible matter, such as lignite, peat, wood, &c., by means of air or oxygen under pressure in the presence of aqueous or other incombustible liquid. In an example, powdered bituminous coal mixed with soda solution is treated at 230 DEG  C. with air at 30 atmospheres pressure.  Instead of alkaline solutions, water, acid solutions, pyridine, carbon tetrachloride, acetylene tetrachloride, &c. may be used; emulsifying-agents such as soap may be added, or catalysts such as iron or manganese salts.
Patent GB-783535-A (GB)
Title: Improvements in or relating to the untwisting of helically twisted ropes of fibres
IPC: B68G3/04
Filed: 1954-08-11
Abstract: 783,535. Feeding textile strands. PLUSS, G. Aug. 11, 1954 [Aug. 11, 1953], No. 23358/54. Class 120(2) Twisted strands of upholstery-material are fed to an untwisting machine by one or more rotating helical members that engage between adjacent pairs of turns and release them at a uniform rate. One, form of feed device comprises a helix of spring wire 4 that co-operates with the coils 3 of a strand 1 which is preferably supported by a plate. Two helices of wire may be employed in conjunction with a plate or three helices may be used without a plate. In an. alternative form, strands are fed by a threaded nut, the threads co-acting with the strand coils.
Patent GB-1291426-A (GB)
Title: Continuous width controller and director for a moving band of continuous material
IPC: D06C3/06
Filed: 1970-05-14
Abstract: 1291426 Feeding webs TURBO MACHINE CO 14 May 1970 [23 June 1969] 23361/70 Heading B8R In apparatus for handling a moving band of continuous material, e.g. filamentary tow, the separate control systems disclosed in respective co-pending Application 23360/70 and Specification 1,276,401 are combined so that controlled charges in both the width and lateral position of the band are made within predetermined ranges.