baber/WOPTO huggingface dataset:
Patent GB-1445774-A (GB)
Title: Valve for water pipes
IPC: F16K17/04
Filed: 1974-08-19
Abstract: 1445774 Valves L G BERG 19 Aug 1974 [28 Aug 1973] 36458/74 Heading F2V A valve, e.g. a safety valve which opens when the water pressure in a pipe exceeds a predetermined value, comprises a housing having an inlet 2, an outlet 3 and a cylindrical seating surface co-operating with piston valve member 11 biased axially by oppositely-acting springs 13, 14. Thus the valve member 11 is kept moving along the seating surface by small variations in water pressure without opening the valve to prevent sticking of seal ring 26, 27 to the surface but moves clear of the surface to open the valve when the water pressure exceeds the predetermined value. In an alternative embodiment the seating surface may be provided with at least one opening communicating with the outlet. The pressure at which the valve opens can be adjusted by rotating a spindle 71 relative to spring abutment 16 screwed to the spindle. The valve member 11 is formed of plastics discs 23 and metal plates 24 and the seal ring comprises a smooth metal ring 26 covered with a rubber sheath 27 which rolls around the metal ring to reduce friction at the seating surface. A water deflecting surface 31 is provided.
Patent GB-829314-A (GB)
Title: Improvements in closed loop control systems
IPC: G05D23/275
Filed: 1956-11-29
Abstract: 829,314. Thermal switches; actuation of switches. CHAMPION, C. L. Nov. 21, 1957 [Nov. 29, 1956], No. 36486/56. Class 38 (5). [Also in Group XXXV] A switch, having a temperature-sensitive element and preferably an accelerating heater, has a heater which is energized when the switch is in its " hot " position and which is arranged to supply heat at an average rate increasing with the proportion of time in which the device is in the " hot " position. As shown in Fig. 2, a bimetal strip 10 has an accelerating heater 16 and a heater 15 embedded in a block 14 which releases heat at a substantially uniform rate even. though heater 15 is energized intermittently because it is in parallel with the switch 12. The cutter may be a micro-switch or have magnetic snap-action. In a humidity controller, Fig. 4, the strip 10 acts on one contact through a hair 19 and the other contact is on an ambient temperature compensating strip 20. The hair may be replaced by a pressure-sensitive bellows to provide a pressure controller.
Patent GB-447841-A (GB)
Title: Improvements in and relating to compression refrigerating machines
IPC: F25B31/00
Filed: 1934-12-24
Abstract: 447,841. Refrigerating. TOLK, A., 14, Klimschgasse, Vienna. Dec. 24, 1934, No. 36994. Convention date, Dec. 23, 1933. [Class 29] [See also Groups XXVIII, I, and XXVI] Compression machines.- A lubricant separator comprises a vessel 4 divided by a partition 3 into compartments communicating at the base one of which receives the mixed refrigerant and lubricant ; the lighter refrigerant separates and overflows through an aperture 7 to the evaporator ; the lubricant passes into the other compartment and is drawn off through a pipe 6 leading to the compressor. According to the Specification as open to inspection under Sect. 91 the compressor has a byepass controlled by a valve 14, Fig. 1 (Cancelled), carried by a control piston 13 above the outlet valve 12. The refrigerant passes to the evaporator by way of a valve controlled by a float containing wet saturated vapour. The temperature of the cooling chamber is controlled by a vessel 42, Fig. 4 (Cancelled), containing cooling medium, connected with a bellows 43 acting on a lever 44 to control the motor switch 50. The motor may be unloaded at starting by a centrifugal clutch, in place of the byepass, or additional windings may be switched on at starting and switched off under the influence of a vane located in the blast of the cooling fan of the condenser. The compressor bearing formed the subject-matter of Specification 32433/35. This subject-matter does not appear in the Specification as accepted.
Patent GB-1173632-A (GB)
Title: Fog Simulator and Method for Accomplishing Airborne Simulation of a Fog.
IPC: G09B9/32
Filed: 1967-08-14
Abstract: 1,173,632. Simulating fog conditions in aircraft. BENDIX CORP. 14 Aug., 1967 [31 Aug., 1966], No. 37183/67. Heading B7W. Apparatus for simulating the effect of reduced visibility caused by fog in daylight comprises in the line of sight of an observer 137 a screen 140 of graded opacity to attenuate the direct view and a combining mirror 135 of a partially transparent reflecting type illuminated by a light source 125, having an appropriate colour temperature, which directs light through a diffuser screen 127 formed with a desired fog pattern and an opal glass screen or density wedge 120, the light being transmitted by a reflector 128 through a collimating lens system 130 whereby a fog effect is projected on to mirror 135 to be combined with the distant view in the pilot's line of sight. For night simulation, to create a " halo " effect produced by runway and other lights, a combining mirror is interposed between screen 140 and mirror 135 and light projected on to the mirror through a ground glass screen to create the " halo " effect (Fig. 8, not shown). In a further embodiment (Fig. 14, not shown), the mirror 128 is replaced by partially transparent semi-reflecting mirrors (128A, 128B) backed by illuminating means (150) and photocells (A1, A2; B1, B2) are provided to sense the degree of illumination provided by lamps 125, 150 and a further cell (C) senses the intensity of ambient light. Since the brightness in real fog varies with altitude and pitch altitude of an aircraft provision may be made in the simulation apparatus for varying the degree of brightness of lamps 125, (150). An altitude responsive device (161, Fig. 15, not shown), and a vertical gyro (209) and the ambient light photo-cell (C) operate through a potentiometer and mechanical gearing network to adjust the brightness of the lamps, the system being rendered self-balancing by a control effect responsive to the light-sensitive photo-cells (A1-B2). The ambient light cell (C) may be replaced by an operator-controlled potentiometer for simulating the magnitude of ambient light.
Patent GB-302910-A (GB)
Title: Improvements relating to drive chains
IPC: F16G13/04
Filed: 1928-12-18
Abstract: 302,910. Morse Chain Co., (Assignees of Morse, F. L.). Dec. 23, 1927, [Convention date]. Driving-chains with separate joint pins.-The joints comprise a number of cooperating pintle parts adapted to rock and slide relatively to one another. Fig. 2 shows a joint between adjacent links 4 of a chain intended to run from right to left. The pintle part 6 carried by one link rocks on and slides along the face 7 of the part 5 carried by the other link. As the links leave the straight run to ride over a sprocket wheel the part 6 first rocks on the part 5 and then slides down it, so that the effective centre of articulation moves in the direction of bending of the chain, and when the links return to the straight run the inclination of the faces 7 to the vertical causes the parts 6 to slide up the parts 5 to the position shown in Fig. 2. In the construction shown in Fig. 4, a wearing shoe 10 is interposed between the parts 5<a>, 6<a> so that the part 6a rocks on the shoe and slides with it along the face 7a of the part 5a.
Patent GB-370473-A (GB)
Title: Improvements in or relating to mechanical figures
IPC: A63H13/12
Filed: 1930-12-11
Abstract: 370,473. Mechanicaltoys. WINCOTT, E., 25, Wiltshire Road, Brixton, London. Dec. 11, 1930, No. 37402. [Class 132 (iii).] A toy figure of moulded indiarubber or similar material has distortional movements impart. ed thereto by means of a swash plate incorporated therein, the central axis of the figure remaining undistorted. The figure comprises a rod 3 mounted in a boss 2a in a base member 2 provided with a spherical mem. ber 4 about which oscillates a swash plate 5 prevented from rotating by a member 6 fixed tc the rod 3 and projecting through a hole 5c in the plate 5. The latter carries metal cup-like members 11, 12 connected by rubber cones 9 and 10 respect. ively to the rod 3 and to a fixed tube 13, and is oscillated by rotation of an arm 14 fixed to a tube 16 which is turned by hand or by a motor through gearing 16a, 18. During manufacture, the mechanism with the rubber cones 9, 10 in position (the plate 5 being at right-angles to the rod 3), is placed in the mould, and after the moulding is set the tube 16 is forced upwards to the distortional position shown and held by inserting a sleeve 17. Specification 334,373, [Class 132 (iii), Toys], is referred to.
Patent GB-1380591-A (GB)
Title: Continuous dehydration apparatus for treatment of sludge
IPC: C02F11/123
Filed: 1972-08-10
Abstract: 1380591 Moving band filter T SEKI 10 Aug 1972 [13 Aug 1971] 37434/72 Heading B1D [Also in Division C1] . Apparatus for the continuous dehydration of sludge comprises a liquid reservoir for receiving sludge, a filtering zone connected to the reservoir, in which zone vacuum suction filtration is to be effected, and an endless filter cloth with means to forward it to the liquid reservoir and filtering zone. The reservoir is provided with a bottom portion inclined to the horizontal and extending to the surface level of the reservoir at least at the portion thereof where the liquid reservoir is connected to the filtering zone. The filtering zone is constructed as a vacuum chamber provided with roll bars at the upper portion thereof, the endless filter cloth being so disposed that it is at first introduced into the deepest portion of the liquid reservoir while being kept in contact with the bottom portion along a length sufficient for a precoat layer to lie on the surface thereof during use, and is then introduced on the roll bars of the filtering zone. The reservoir is pivotally connected to the filtering zone, means being provided for adjusting the inclination to the horizontal of the bottom of the liquid reservoir. A suitable filtering zone, B, is shown in Fig. 3A and in operation, continuous filter cloth C passes up through a sludge-containing liquid in reservoir A and into zone B. In this zone, the cloth is carried over roll bars 19 and is subject to vacuum filtration. Dewatered sludge is then removed from the cloth, the cloth being subsequently washed and passed back to reservoir A.
Patent GB-523116-A (GB)
Title: Improvements in or relating to the conditioning or treatment of wheat prior to milling
IPC: B02B1/08
Filed: 1938-12-23
Abstract: 523,116. Conditioning wheat. JONES, - C. R., and SIMPSON, A. G. Dec. 23, 1938, No. 37444. [Class 58] In a process for conditioning wheat before milling, particularly wheat which has been attacked by the wheat bug, it is heated suddenly to a temperature of from 160‹F. to 212‹F. for a period of from about five seconds to not more than two minutes and then cooled. The wheat may be moistened before it is heated. According to one method of carrying 'out the invention, the wheat is plunged into water kept at the required temperature in a suitably lagged tank by the injection of steam;the wheat may be removed from the water by an inclined worm or elevator buckets. According to a second method the wheat is suddenly heated by injecting live steam into a mass of grain or directing jets of steam on to flowing grain. The heated wheat may be cooled by spraying cold water thereon.
Patent GB-1383505-A (GB)
Title: Fluid fuel burner
IPC: F23D14/24
Filed: 1971-08-10
Abstract: 1383505 Fluid fuel burner LANDON KINGSWAY Ltd 31 July 1972 [10 Aug 1971] 37444/71 Heading F4T  A fluid fuel burner comprises means defining a fuel passage 10 with outlet ports 15, 16, means defining an oil passage around the fuel passage 10 which is encircled by two sets of vanes 20, 21, one set 21 of which is movable as a whole around the fuel passage 10 relative to the set 20 to vary the air flow pattern through the air passage. The fuel passage 10 is defined between a pair of coaxial tubes 11, 12 and together with the two sets of vanes 21, 22 is mounted in a tubular shroud. The ends of the tubes 11, 12 are closed by an annular closure member 13 and a disc 14 and fuel is fed in through an inlet 17. The sets of vanes 20, 21 are mounted on rings 18 and 19 respectively, the latter being rotatable on loosening a grub screw 13 which secures the ring 19 to the tube 12. Each vane is inclined with respect to a radial plane passing through the vanes and perpendicular to the axis of the rings 18, 19, the inclination of all the vanes of the two sets 20, 21 preferably being the same. In an alternative embodiment the fuel passage is defined by a pipe mounted coaxially within a tube which carries the vanes. A tubular shroud which encloses the vanes defines the air passage.
Patent GB-795942-A (GB)
Title: New dihydrostreptomycin salt
Inventor: SANNICOLO REMO
IPC: C07C233/46
Filed: 1955-12-30
Abstract: Dihydrostreptomycin d-pantothenate is prepared by reacting a solution of a dihydrostreptomycin salt with a salt of d-pantothenic acid.  The reaction medium is water or a water-miscible solvent such as methanol, ethanol, acetone or dioxan.  The preferred dihydrostreptomycin salt is the sulphate and the preferred d-pantothenic acid salt is the calcium salt, although the barium or strontium salt may also be used.  The dihydrostreptomycin salt is preferably used in a concentrated solution, i.e. ratio of dihydrostreptomycin salt to solvent is 1:2.  In the examples dihydrostreptomycin sulphate is reacted with calcium d-pantothenate in (a) water and (b) aqueous methanol.  In the case of (a) methanol is added to facilitate precipitation of the calcium sulphate which is filtered off.  The filtrate is concentrated at a temperature not greater than 20 DEG  C. so that freeze drying occurs. Dihydrostreptomycin d-pantothenate is useful in therapy for the treatment of vestibular troubles (see Group VI).  Reference has been directed by the Comptroller to Specification 771,338.ALSO:A therapeutic composition comprises dihydrostreptomycin d-pantothenate (see Group IV (b)) and a pharmaceutical carrier.  Reference has been directed by the Comptroller to Specification 771,338.
Patent GB-815217-A (GB)
Title: 1-o-chlorophenyl-1-phenyl-3-(dimethylamino)-propan-1-ol and its salts and therapeuticcompositions containing them
Inventor: LORENZ RUDOLF
Filed: 1957-12-03
Abstract: The invention comprises 1-o-chlorophenyl-1-phenyl - 3 - (dimethylamino) - propan - 1 - ol, its acid addition salts, and its preparation by reacting o-chloro-benzophenone with acetonitrile in the presence of a strongly basic condensing agent, hydrogenating the resulting b -hydroxy - b  - o - chlorophenyl - b  - phenyl - propionitrile, and dimethylating the primary amine so formed.  The invention also comprises therapeutic compositions in which the tertiary base or its acid addition salts form the active constituent (see Group VI).  In an example, o-chlorobenzophenone is reacted with acetonitrile in the presence of sodamide to form b -hydroxy - b  - o - chlorophenyl - b  - phenyl - pro - pionitrile which is hydrogenated under pressure in the presence of Raney cobalt.  The resulting 1 - o - chlorophenyl - 1 - phenyl - 3 - aminopropan-1-ol is dimethylated with methanolic formaldehyde in the presence of Raney nickel to 1-o-chlorophenyl - 1 - phenyl - 3 - (dimethylamino)-propan-1-ol, the hydrochloride of which is also described.ALSO:Antitussive compositions containing 1-o-chlorophenyl - 1 - phenyl - 3 - (dimethylamino) - propan-1-ol and an acid addition salt thereof with a liquid or solid pharmaceutical carrier are prepared in the form of tablets, capsules, powders, solutions, syrups, troches or suppositories.  In examples, 1-o-chlorophenyl-1-phenyl-3-(dimethylamino)-propan-1-ol hydrochloride is combined with (1) glycerol, ethanol and water to produce a cough medicine; (2) glycerol and rubi idaci (raspberry) syrup to form a cough syrup; (3) ethanol, vanillin, cherry syrup and water to form a cough elixir.  The same compound is also (4) blended with cocoa butter to form suppositories and (5) mixed with conventional excipients and tabletted.  The results of pharmacological tests are also supplied.
Patent GB-1098584-A (GB)
Title: Improvements in bucket elevator wheels and the control thereof
Inventor: THEURIAX GABRIEL
IPC: F04B19/10
Filed: 1965-09-03
Abstract: 1,098,584. Delivering measured quantities of liquid or granular material. COMMISSARIAT A L'ENERGIE ATOMIQUE Sept. 3, 1965 [Sept. 15, 1964], No. 37751/65. Heading B8N. [Also in Divisions F1 and H2] , In a rotary bucket elevator each of the buckets 46 has an axially adjustable bottom 50 whereby the capacity of the bucket may be adjusted. The buckets 46 are supported on a hub by radial pipes 18 through which the buckets discharge into the hub. A number of elevators may be driven in synchronism to deliver proportional quantities (see Division H2). The elevator may handle radio-active material in which case it is enclosed in a shield. It is also stated that the elevator may handle solid particles which will flow and have levelling characteristics comparable with that of liquid.
Patent GB-1466760-A (GB)
Title: Dispensers
IPC: F04B7/04
Filed: 1975-07-17
Abstract: 1466760 Reciprocating pumps SKINNER HEATING Ltd 17 July 1975 [30 Aug 1974] 37958/74 Addition to 1400125 Heading F1A In the pump of the parent Specification, the piston 3 controlling the outlet port A has a projection 19 which is engaged by the pumping piston 6 during its discharge stroke so as to positively open the outlet port.
Patent GB-320815-A (GB)
Title: Improvements in rubber and like footwear
IPC: A43B3/16
Filed: 1928-12-24
Abstract: 320,815. Williams, W. A., and North British Rubber Co., Ltd. Dec. 24, 1928. Drawings to Specification. Single coatings; special fabric bases. - The whole or the main portion of the uppers of footholds, goloshes, overshoes, top-boots, and the like footwear made wholly or mainly of rubber or the like are cut to shape from a compound elastic and transparent or semi-transparent and translucent imperforate fabric consisting of netted fabric or open-mesh woven fabric, which may be of silk or artificial silk of any colour, the meshes of which are closed by a proofing of transparent rubber. The fabric may be stiffened at the edges or elsewhere to preserve the shape.
Patent GB-1431918-A (GB)
Title: Process for the manufacture of largely amorphous elastomeric  low pressure copolymers of ethylene
IPC: C08F210/00
Filed: 1973-08-10
Abstract: 1431918 Production of ethylene copolymers using an organometallic catalyst CHEMISCHE WERKE HULS AG 10 Aug 1973 [11 Aug 1972] 38038/73 Heading C3P Amorphous elastomeric low pressure copolymers of ethylene with propylene and/or butene-1 and optionally a multi-olefin are prepared by copolymerization in the liquid phase in the presence of a mixed catalyst comprising a titanium trichloride catalyst and a chlorine-containing organo-aluminium compound, at a temperature of 80‹ to 120‹ C. in a solvent which contains butane and/or propane and also A mole per cent of propylene and/or B mole per cent of butene-1, and butene-2, and in which 2A+B at a temperature of 80-90‹ C. is at least 30 and at a temperature of 90-120‹ C. is at least 20. The multiolefin may be dicyclopentadiene, methylene norbornene, ethylidene norbornene or hexa-1,4-diene. Hydrogen may be added during the polymerization. The chlorine-containing organo-aluminium compound may be ethyl aluminium sesquichloride- [Al(C 2 H 5 ) 1 . 5 Cl 1 . 5 ]. In the examples, C 4  cuts are used, which contain varying amounts of butene- 1, butene-2, and butane.
Patent GB-860468-A (GB)
Title: Improvements relating to electrodialysing apparatus
Inventor: HALE DOUGLAS KNIGHT
IPC: B01D61/50
Filed: 1957-12-06
Abstract: 860,468. Electrodialysis. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Dec. 1, 1958 [Dec. 6, 1957], No. 38039/57. Class 41. A membrane-supporting spacing element, for electrodialysing apparatus, comprising two or more perforated stacks made of insulating material arranged in face contact with one another and with the perforations in adjacent sheets being adapted to co-operate with adjacent membranes to define channels through which liquid can pass in a tortuous path in a direction generally parallel to the surface of a supported membrane and ions can pass in a direction normal to the membrane surface. Suitable insulating materials are vulcanized rubber, polyethylene, polyvinyl-chloride or a copolymer of vinyl chloride and vinylidene chloride. As shown, Fig. 1 is an exploded diagram of an electrodialysing apparatus and Fig. 3 is a sectional view of a spacing element with supported membranes. The apparatus shown in Fig. 1 comprising two electrode compartments, i.e. a compartment 1 containing a cathode 5 and a compartment 2 containing an anode 6, between which are arranged a number of compartments 3, through alternate members of which dialysis and rinsing liquids are passed. The compartments are defined by ion-permeable membranes 4, supported and separated from each other by spacing elements composed of two rectangular sheets 7 of insulating material which are identically perforated (as at 8 and 9); one of each such pair of sheets being rotated through an angle of 180 degrees about an axis passing through the centre of the sheet and normal to the plane of the sheet and the arrangement of the perforations being such that they thereupon co-operate to define tortuous channels through which liquid can flow in a direction generally parallel to the surface of the membranes 4 in face contact with the elements while ions can travel in a direction normal to the membrane surfaces. In Fig. 3 the two membranes are shown at 4, the two co-operating sheets of the spacing element at 7 and the tortuous channel through which liquid can flow being indicated by the vertical sinuous arrow. The sheets 7 (Fig. 1) include border portions 10, some of which are provided at the corners with holes 11 which co-operate with each other and with holes at the corners of the membranes to provide manifolds through which the dialysis and rinsing liquids can enter and leave their respective compartments.
Patent GB-1270789-A (GB)
Title: Process for purifying adiponitrile
IPC: C07C255/45
Filed: 1970-08-06
Abstract: 1,270,789. Adiponitrile. UBE INDUSTRIES Ltd. 6 Aug., 1970 [8 Aug., 1969; 16 Jan., 1970], No. 38043/70. Heading C2C. Crude adiponitrile is purified by contacting crude liquid adiponitrile with oxygen or a gas containing molecular oxygen at 120-300‹ C. thus converting impurities into coloured highboiling compounds and separating adiponitrile from these by distillation under reduced pressure. The process is particularly effective for purifying adiponitrile containing 1-imino-2- cyanocyclopentane as impurity. The process may be carried out in the presence of a catalyst e.g. an oxide, inorganic salt, organic salt or a chelate compound of a transition metal or a mixture thereof.