baber/WOPTO huggingface dataset:
Patent GB-1510437-A (GB)
Title: Control unit for vehicle powersteering mechanisms
IPC: B62D5/09
Filed: 1976-07-06
Abstract: 1510437 Steering control unit RIVA CALZONI SpA 6 July 1976 [11 July 1975] 28126/76 Heading B7H In a control unit 1 for vehicle power steering comprising a housing having an inlet 4 for connection to a fluid source 6, an outlet 10 for returning fluid to the source, a pair of ports 11, 17 for connection to an hydraulic servomotor 13 controlling the vehicle steerable wheels and an hydraulic motor 2 mechanically combined with a distributer valve 3, rotation of a control shaft 20 connected to the motor 2 causes fluid flowing from the inlet 4 through to the outlet to be diverted to one of the ports 11, 17 via the hydraulic motor 2, and hydraulic fluid being exhausted from the servomotor 13 passes to the outlet 10 via the other port. As shown in Fig. 3 shaft 20 is connected for rotation with internally toothed motor element 27, the externally toothed element 31 thereof causing angular displacement of distributer valve sleeve 39 via integral shaft 34 and pin 36. The sleeve 39 which is displaced with respect to fixed sleeve 37 is urged by springs (47) Fig. 9 (not shown) into a central position with respect to sleeve 37.
Patent GB-880754-A (GB)
Title: Process for the polymerisation of styrene
IPC: C08F32/00
Filed: 1960-08-15
Abstract: Styrene is polymerized with a catalyst prepared by bringing together a component A comprising the reaction product at 100-250 DEG  C. of an aluminium trialkyl and a titanium tetrahalide in a molar ratio of from 3:5 to 1:5, and a component B comprising an aluminium trialkyl, the atomic ratio of aluminium in B to titanium in A being from 0,8:1 to 2:1.  Specified catalyst components are AlEt3 and TiCl4, with Et2AlCl and Et2AlOEt being disclosed as optional ingredients.  The polymerization may be in bulk or in a hydrocarbon diluent and if desired hydrogen may be present to reduce the intrinsic viscosity of the product.  Ethanol, hydrochloric acid, water and steam are used in terminating the reaction and purifying the product and fractionation is effected with methyl ethyl ketone.  The polymers obtained are of isotactic structure and may be formed into filaments and fibres.  The Specification states that a substantial part of component A is assumed to be titanium trihalide.
Patent GB-882315-A (GB)
Title: Improvements relating to pantograph current collectors
Inventor: AUSTIN CHARLES VALENTINE
IPC: B60L5/22
Filed: 1959-08-18
Abstract: 882,315. Pantograph current collectors. STONE & CO. (DEPTFORD) Ltd., J. Aug. 15, 1960 [Aug. 18, 1959], No. 28209/59. Class 104 (3). In a pantograph current collector the current collector head 1 is resiliently mounted on the pantograph supporting structure 12, 13 by the combination of rubber mountings 5, 7 arranged to give the head high flexibility in the vertical plane as well as permitting some fore-and-aft freedom of movement and restricted transverse tilting of the head 1. Each rubber mounting 5, 7, shown in Fig. 4, comprises two rubber cushions 16 of waisted formation having welded thereto an intermediate metal disc 17 and metal discs 18 provided with bolts 19. The whole mounting is freely enclosed in a canopy 20. In the arrangement shown in Figs. 1 and 3, the mountings 5 are connected between a cross-piece 4 of the collector head 1 and, through a bracket 15 to an intermediate cross-piece 6. The axes of the mountings 5 are inclined at about 30 degrees to the vertical and inwardly at 90 degrees to each other towards the overhead current wire. The mountings 7, which are similarly inclined to the mountings 5, are mounted between brackets 21 bolted to the intermediate cross-piece 6 and a cross-piece 8. The cross-piece 8 is bolted to a bracket 9 clamped to the end of a shaft 10 at the head of the pantograph. The intermediate cross-piece 6 is bolted to a bracket 23 attached to the end of a transverse rod 22 in such a manner that the position of the bracket 23 can be adjusted to place the mountings 5, 7 under an initial stress. In a modification shown in Fig. 5, the upper mountings 5 are provided but the lower mountings 7 are replaced by two superposed pairs of horizontally disposed mountings 24, 25. Each pair of the lower mountings 24, 25 are disposed at 90 degrees to each other between upper and lower bracket arms 27 and upper and lower arms 30 of a transverse member clamped to the end of the shaft 10 at the head of the pantograph. The mountings 5, 24, 25 are placed under initial compression by rods 35 adjustably secured to parts 15<SP>1</SP>, 29 and fixed to a plate 36 secured to a transverse rod 37. In a further modification shown in Fig. 7 the lower mountings consist of an upper set of four mountings 37, 38 and a lower set of four mountings 39, 40. The vertical members 41, 42, 43 on which the mountings 37, 38, 39 and 40 are attached are provided with a series of holes 44 to permit a variation of the spacing between the upper and lower set of mountings. Specification 866,812 is referred to.
Patent GB-705877-A (GB)
Title: Improvements in two-stroke internal combustion engines of the fuel injection type
IPC: F02B67/04
Filed: 1951-12-03
Abstract: 705,877. Radial cylinder two-stroke engines; fuel injection pumps; valve gear. LIST, H. Dec. 3, 1951 [Dec. 1, 1950; Dec. 1, 1950], No. 28308/51. Classes 7(2), 7(3) and 7(6) In a two-stroke V-type fuel injection engine having an exhaust collecting pipe disposed between the cylinder rows and a scavenging air blower, disposed above the flywheel, driven from the crankshaft through gearing situated between the blower and the cylinders, a rotary exhaust valve or an engine auxiliary such as a fuel injection pump is driven from a pinion on a shaft in the blower drive by a single gear wheel interposed between the said pinion and the driving gear wheels of the valve or auxiliary, the said single gear wheel having a diameter more than twice as great as that of the driving gear wheels. In Fig. 1 the blower 5 is driven from the crankshaft by a gear train 7...11, the intermediate shaft 13 of which carries a pinion 15 meshing with large gear wheel 16 which drives the actuating shafts 18 of two fuel injection pumps 1 at crankshaft speed through gear wheels 17, the diameter of the wheel 16 being at least twice that of the wheels 17. The gear wheel 10 in the blower drive is resiliently coupled to the shaft 13 and the pumps 1 are mounted on top of the blower housing. In a modification, Figs. 4 and 5, having a similar gear arrangement, the gear wheel 16 is replaced by a gear wheel 16<1> which in addition to external teeth actuating the injection pumps 1 is also provided with internal teeth 29 which engage a gear wheel 28 on the shaft 27 of a rotary exhaust valve 24 controlling the admission of exhaust from the piston controlled passages 26 to the exhaust collecting pipe 25 situated between the cylinder rows. The angle a between the pipe 26 is made equal to the angle # between the cylinder axes
Patent GB-1319826-A (GB)
Title: Closures for containers
IPC: B21D51/44
Filed: 1970-06-12
Abstract: 1319826 Laminated products CEBAL GP 12 June 1970 [12 June 1969] 28498/70 Heading B5N [Also in Division B8] Easy-opening closures for containers are made by shaping a lightweight metal (especially aluminium) or alloy sheet or strip into at least one closure formed with at least one line of limited strength defining a tear-away part thereof, the closure being provided on one surface with a 10-50 micron thick film of flexible plastics material. The film may be of polypropylene, grafted ethylene-methacrylate copolymer, "Surlyn" (Registered Trade Mark-an ionically cross-linked ionomeric resin) or polyamide. It may be applied to the metal sheet by calendering either directly or using an epoxy or polyurethane adhesive, or by melt extrusion. The other surface of the metal may be coated with a lacquer.
Patent GB-292007-A (GB)
Title: Improvements in or relating to the manufacture of insulating staples and the like
IPC: B21D53/36
Filed: 1927-10-27
Abstract: 292,007. Probert, E. A., and Probert, r. Oct. 27, 1927. Staples.-In a machine for manufacturing insulating staples of the form shown in Fig 9, a wire 7, Fig. 1, is severed obliquely and is bent over a former 5 on the downward stroke of a head 1. On the further axial downward movement of the former, the staple is fed down slots 11 by a rod 6. A strip 24 of insulating material is inter. mittently fed beneath a reciprocating member where it is severed and pressed. The severed portion is laid on a support 21, Fig. 7, where fingers 28 are projected and side tools 26 fold the strip over. The fingers 28 are withdrawn and the staple 9 is forced through the hole in the strip as it is fed down the slots 11 by the member 6. The finished staple is fed forward by an ejector rod 13.
Patent GB-455823-A (GB)
Title: Improvements in meat curing substances
IPC: A23B4/023
Filed: 1935-10-16
Abstract: A salt mass for use for curing meat is obtained by combining in firm physical union by fusing a soluble meat-curing nitrite and a soluble meat-curing nitrate, preferably the sodium or potassium salts.  The mass may be obtained by suddenly cooling the molten mixture, e.g. by pouring onto a cool surface or converting into a spray, thin layer, film or other form with a large surface, to secure substantially simultaneous solidification of all the components of the fused mass which may then be ground to a powder. The fusion may be effected in the presence of water, e.g. by dissolving to form a solution which is then evaporated.  The fused mass may be agitated or stirred to bring it to uniform composition.  A small amount, e.g. up to 5 per cent, of sodium chloride may be added, e.g. by sprinkling on the molten mass with stirring.  In an example, a mixture of 3 parts by weight of sodium nitrite and 2 parts of sodium nitrate, which melts at 230 DEG C. is fused and used to receive further quantities of these salts gradually and in the same proportion, a part of the mass being removed and poured onto an iron plate or other cool surface.  In further examples, a strong or concentrated solution containing 3 parts by weight of sodium nitrite to 2 parts of so diumnitrate or a solution containing 28 per cent of a mixture of 3 parts of potassium nitrate to 2 parts of sodium nitrate is spread in a thin layer on a heated roll or other surface at about 140-160 DEG  C. and a solid amorphous cake is removed by means of a knife from the surface.  The product may be used for dry curing by rubbing onto the surface of the meat or may be dissolved in water to form a pickling brine.  The product may be used to the amount of about 1/4 oz. diluted with about 3 lbs. of common salt for treating 100 lbs. of meat.
Patent GB-341906-A (GB)
Title: Improvements in or relating to power transmission clutches and gears
IPC: F16D23/08
Filed: 1929-09-23
Abstract: 341,906. Positive clutches ; toothed gearing ; facilitating changing speed. CARLING, W. T., Tangley, Sydney Road, Guildford, Surrey. Sept. 23, 1929, No. 28717. Addition to 327,191, [Class 80 (ii), Gearing, Variable-speed &c.]. [Classes 80 (i) and 80 (ii).] In means for baulking in two successive stages the engagement of bi-direction positive clutches or toothed gears, a baulking-member capable of limited rotational displacement relatively to one of the clutch parts or gears is moved in both directions relatively to that clutch part or gear before the engagement can be completed. When the invention is used in variable speed gearing, this action takes place upon changing down. Teeth 3a on a driving clutch part 3 are adapted for engagement by teeth 4e on the sliding driven clutch part 4. A baulking-member 6 is spring-pressed to the position shown in Fig. 1 and carries lugs 6a for slipping driving-engagement with recesses 3b in the part 3, or friction surfaces may be substituted. The member 6 carries two arms 10 passing through slots 11 in the part 4. A lug 10a on each arm 10 has an inclined face 10c and a face 10b normal to the axis and co-operates with a similar lug 4b on the member 4. When the clutch parts 3, 4 are to be engaged for changing down, the part 4 is overrunning the part 3, and the parts lie as shown in Fig. 1. Axial pressure on the clutch part 4 causes intermittent engagement of the lugs 6a and recesses 3b, so that when the engine is accelerated the part 3 eventually brings the member 6 to the position shown in Fig. 4, in which a lug 10d on each arm 10 engages the part 4. Retardation of the part 3 by disengaging the main engine clutch and engaging the clutch stop is then necessary to retard the part 3, when the lugs 10d pass into the slots 11 and the clutch can be engaged. This final retardation may be assisted by the use of fuel-reducing means such as are described in Specifications 315,967 and 316,790, [both in Class 80 (ii), Gearing, Variable-speed &c.], such reduction being preferably maintained throughout the second lock. The lugs on the arms 10 may be displaced relatively in the axial direction from the positions shown, the abutments on the member 4 being correspondingly displaced. The faces 10b may be inclined to the normal to facilitate their first disengagement from the member 4, provided that the inclination is insufficient to cause the member 6 to be rotated by axial pressure. The inclined faces 10c permit ready rotation of the member 6 during the disengaging operation. When the clutch is used as an isolating clutch, a projection on the gear lever prevents clutch operation when the.gear lever is in neutral. Fig. 9 shows the invention applied to toothed wheels 12, 14, a wheel. 16 loose on the shaft 15 on which the wheel 14 is splined being always driven by the wheel 12 and serving to produce the movements of the member 6. Specifications 282,121, 294,301, 298,313, and 307,631 also are referred to.
Patent GB-1153231-A (GB)
Title: High Density Sodium Tripolyphosphate
IPC: C01B25/41
Filed: 1967-06-22
Abstract: 1,153,231. Sodium tripolyphosphates. FMC CORP. 22 June, 1967 [23 June, 1966(2)], No. 28771/67. Heading C1A. Sodium tripolyphosphates which differ in size and density having a size of substantially -20 + 100 mesh and bulk density between 0À95 and 1À3 g/cc. are prepared by feeding aqueous sodium orthophosphate having an Na/P molar ratio of 1À63 to 1À7 into afluidized bed comprising discrete particles of sodium tripolyphosphate at a temperature of 220-400 C. A portion of the particles are removed and separated into a coarse and a fine fraction. The coarse fraction is crushed, and optionally mixed with a portion of the fine fraction, to produce a mixture of average size smaller than that of the bed. This crushed mixture is recycled to the bed. The remaining fine fraction may be recovered as product Form II sodium tripolyphosphate or may be transferred to a second fluidized bed and maintained at 425-550 C. Sodium tripolyphosphate particles are removed from this second bed having a higher Form I content than the particles introduced. The crushed particles, in the first stage, are advantageously subjected to high-speed mechanical attrition before being recycled to the first bed.
Patent GB-1341587-A (GB)
Title: Packaging materials
IPC: B65D75/58
Filed: 1971-06-18
Abstract: 1341587 Seaming non-metallic sheet material ANERO AB 18 June 1971 [15 July 1970] 28789/71 Heading B5K [Also in Division B8] A tear tab in a side of a bag or in a cover of a container, or tear tabs in a cover strip of a multicellular tablet package, is/are formed by making a pleat or pleats in a strip which is to form the side or cover and heat welding the inner surfaces of the folds of the or each pleat together adjacent the base of the pleat. The strip may have an inner layer of polyethylene, polypropylene, or polyvinyl chloride, and an outer layer of aluminium, tin, paper, fabric, or plastics. The pleat may be formed by a bar 20 pushing part of the strip between joins 18, 19 housing a heater element 18a. Alternatively the ends of two strips may be heat welded together, with the edges of the ends being free or also welded together. The strip is welded to the other side of the bag or to the container base, the welding causing also the pleat to be lightly adhered to the surface of the bag or cover.
Patent GB-450227-A (GB)
Title: Improvements in and relating to closure caps for bottles, glasses, cans and other vessels
IPC: B65D51/24
Filed: 1934-10-08
Abstract: 450,227. Caps for bottles. BERGUNDTHAL, A., Bahnhofstrasse, Spiez, and KUPFERSCHMID, A., 2, Thalackerstrasse, Uster, both in Switzerland. Oct. 8, 1934, No. 28798. Void [Abridged as open to inspection under Sect. 91 of the Acts, April 8, 1935]. [Class 125 (iii)] A cap 1 for a bottle &c. has depending resilient lugs 3 which engage under a bead on the neck of the bottle. The lugs are curled inwardly and one of them is provided with a lever 4 which when tilted bears against the upper edge of the cap and lifts the lug from the rim of the vessel. The lever is bent at C to bear against the upper edge of the cap when opening the bottle, and is triangular in shape.
Patent GB-1240766-A (GB)
Title: Irradiated nuclear fuel recovery process
Inventor: WEECH MARX ELSON
IPC: B01D11/04
Filed: 1969-06-06
Abstract: 1,240,766. Reprocessing nuclear fuel. GENERAL ELECTRIC CO. 6 June, 1969 [18 June, 1968], No. 28845/69. Heading G6R. In the extraction with tributyl phosphate (TBP) of a nitric acid solution of irradiated nuclear fuel, followed by contacting the organic phase containing U, Pu and Np with a first aqueous stream to extract Pu, Np and fission products and then stripping U from the organic phase with a second aqueous stream, the first aqueous stream contains sufficient U to maintain the organic phase at least 90% saturated in U, and, after contact with the organic phase, the aqueous phase is adjusted to an acidity of about 1M and is stripped with TBP. The process is carried out in three multi-stage pulsed feed countercurrent extraction columns. In the first column a solution of enriched UO 2  in nitric acid is extracted with TBP in kerosene or n-dodecane. In the top part of the second column, the organic phase from the first column is contacted with aqueous uranium solution; Pu, Np, and fission products are removed in the aqueous phase which is acidified and extracted with fresh organic solvent in the lower part of the second column. Organic phase from the second column is stripped in the third column with 0.01 M nitric acid at 50- 60 C. to obtain an aqueous solution of purified uranium, part of which is returned to the second column and the remainder concentrated by evaporation. Part of the concentrated solution is also returned to the second column and the rest stored.
Patent GB-945874-A (GB)
Title: Improvements in or relating to briquetting
Inventor: LONG WILLIAM MURDOCK
IPC: B30B11/22
Filed: 1958-09-09
Abstract: 945,874. Moulding briquettes. COAL INDUSTRY (PATENTS) Ltd. Dec. 9, 1959 [Sept. 9, 1958; Nov. 21, 1958], Nos. 28898/58 and 37522/58. Heading B5A. Powdered material in a hopper 11 is forced by a two-part plunger 12 of the kind described in Specifications 809,672 or 828,164 into a nozzle 10 which may be split into three parts and clamped by an hydraulic piston 21, as described in Specification 875,441. When the pressure in the nozzle builds up, the pressure in the cylinder 12c builds up until a relief valve 17 opens causing the inner part 12b of the plunger to move down and compress the centre of the material. The die 10 may be cooled. The hydraulic supply to the cylinder 22 may be controlled by valves operated by the two-part plunger.
Patent GB-825770-A (GB)
Title: Junction transistor
IPC: H01L29/00
Filed: 1956-09-21
Abstract: 825,770. Transistors. TEXAS INSTRUMENTS Inc. Sept. 21, 1956 [Oct. 7, 1955], No. 28941/56. Class 37. Connection is made to the base intermediate zone of a junction transistor by alloying through a thin region of one of the outer zones of of opposite conductivity type. Fig. 3 shows a germanium or silicon NPN (or PNP) body comprising a P layer 12 lying between layers 10 and 11 of N-type conductivity. A depression 13 is made in zone 11, and a wire 14 comprising acceptor material is alloyed through the bottom of the recess to make ohmic contact with the base layer 12. Ohmic contacts to zones 10 and 11 may then be made to provide emitter and collector electrodes. As, Bi, Sb and P are specified as donor impurities, A1, B, Ga, Tl and In as acceptors and Au, Ag, Pb, Sn and Pb as neutral impurities, the wire 14 containing for example 95 to 99.9% neutral impurity and the balance acceptor or donor impurity. The surfaces of zones 10 and 11 may be first sand blasted and then nickel or gold-plated to facilitate connection of the electrode leads. Initial cleaning of the semi-conductor block may be effected by etching with a CP-4 solution or subjecting it to ion bombardment in a vacuum. More than one such wire 14 may be connected to the base zone 12 to improve lateral conductance and reduce base resistance. Instead of providing a depression, the diffusion process may be applied directly through a portion of a very thin layer, produced for example by diffusion technique.
Patent GB-1430003-A (GB)
Title: Phase shifter
IPC: H01P1/19
Filed: 1973-06-19
Abstract: 1430003 Gyromagnetic phase - shifters PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 19 June 1973 [22 June 1972] 28946/73 Heading H1W A gyromagnetic phase-shifter uses a meander line 3 of the configuration shown, in which the separation between adjacent limbs of each loop increases linearly from the open end of the loop. This results in a substantially constant differential phase-shift over a wide band of frequencies. The invention may be applied to continuously variable phase-shifters using soft magnetic material or to digitally-variable phase-shifters using remanence-switching in hard material. The magnetic material may be yttrium iron garnet (YIG) which may be used for the substrate of the meander line or, where a non-magnetic substrate is used, may be incorporated in elements adjacent the line.
Patent GB-466331-A (GB)
Title: Improvements relating to the joining of parallelly arranged tubes by forging
IPC: B21C37/28
Filed: 1936-10-24
Abstract: 466,331. Making superheater &c. return bends. SUPERHEATER CO., Ltd., (Niederstrasser, R.) Oct. 24, 1936, No. 28965. [Classes 83 (ii) and 83 (iv)] Welding.-In joining tubes 3 to make a return bend tapered incisions 4 are made in the tubes which are then heated to welding temperature and inserted into a split die 1. A double tapered plug 8 is then inserted to force out. and weld the incised portions. In a modification more than two tubes are joined. Specification 372,867 is referred to.
Patent GB-966056-A (GB)
Title: Improvements relating to vehicles
IPC: B61D39/00
Filed: 1962-07-27
Abstract: 966,056. Vehicle opening roofs; covers for vehicles. STAHLWERKE BRUNINGHAUS G.m.b.H. July 27, 1962 [Aug. 1, 1961], No. 28990/62. Headings B7J and B7L. [Also in Division E2] A railway vehicle roof is divided longitudinally into openable halves 8, 9, Fig. 1, pivoted respectively at 2, 3 on reinforcing members 16, 17 of an end wall 1 and interconnected by toothed sectors 12, 13, the roof halves 8, 9 being movable to the open and closed positions by a control apparatus comprising an hydraulic piston and cylinder device 28 universally pivoted to the end wall 1 as described with reference to Fig. 7 (not shown), the pistonrod 29 of the device 28 being pivoted at 30 to one corner of a triangular rocker 31, the second corner of which is pivoted at 33 to the end wall 1 via a bracket 37, and the third corner of which is pivoted at 38 to one end of a cranked member 39 secured at its other end to a screw adjuster 42, 43, 44 pivoted at 41 to the roof half 8, the arrangement being such that the line joining the pivots 38, 41 passes through " dead-centre " with respect to the axis of the pivot 33 when the roof is closed. A similar control apparatus may be provided on the other end wall and a device 28 connected between the roof half 9 and that end wall so that that device 28 is diagonally disposed with respect to the device 28 connected to the roof half 8 and end wall 1.