baber/WOPTO huggingface dataset:
Patent GB-1007446-A (GB)
Title: Improved hydraulic reciprocating motor or pump
IPC: F01B3/00
Filed: 1964-07-10
Abstract: 1,007,446. Hydraulic reciprocating motors and pumps. WEATHERHEAD CO. July 10, 1964 [Dec. 4, 1963], No. 28588/64. Heading F1A. In a motor or pump comprising a rotatable cylinder block 26 having pistons 28 coupled to a flanged drive shaft 14, and a coupling shaft 33 connecting block 26 to drive shaft 14 for synchronous rotation, the connection between block 26 and shaft 33 permits tilting movement of the block for alignment with a valve plate 23. Tilting movement is provided by a loose splined connection 59 or by curved splines. Shaft 33 engages shaft 14 through bevel gears 31, 34 and a spherical bearing 38, and is supported in the valve plate by a bearing 42 in a housing 43 axially adjustable by a screw 53 to adjust the bearing clearances. The piston rods 29 are retained by a plate 97 in the drive shaft 14, and engage the pistons with freedom of axial movement, the pistons being internally shaped to guide the rods into their operating positions. The valve plate floats in the housing and is held against rotation by sleeves in the inlet and outlet conduits between the housing and the valve plate, hydraulic balancing being provided in the sleeves and the valve plate working face.
Patent GB-743952-A (GB)
Title: Improvements in or relating to coating compositions containing synthetic resin
IPC: C09D131/04
Filed: 1954-10-26
Abstract: Coating compositions containing Portland cement as main constituent are prepared by incorporating into an aqueous binder phase containing 0.7-1.5 per cent by weight of methyl cellulose and from 7-15 per cent of a polyvinyl ester, specifically polyvinyl acetate, portland cement and lime until a uniform suspension is obtained; other fillers may be added, e.g. pigments, sand, chalk.  The suspension may be coated in layers on plaster of paris, lime mortar, cement plaster, oil or wax paint coated surfaces, wood, fibre boards.  A preferred mixture, the proportions being by volume, is 1/3 part 30 per cent aqueous suspension of polyvinyl acetate stabilized with polyvinyl alcohol, 2/3 part 1.5 per cent aqueous solution of methyl cellulose, 2 parts of a mixture comprising 4 parts portland cement, 1 part lime, 1 part sand and 1 part pulverized chalk whiting.ALSO:Portland cement and lime are incorporated into an aqueous binder phase comprising 0.7-1.5 per cent by weight of methyl cellulose and from 7-15 per cent of a polyvinyl ester, p  specifically polyvinyl acetate, until a uniform suspension is obtained; other fillers may be added, e.g. pigments, sand, chalk. The suspension may be coated in layers on plaster of paris, lime mortar, cement plaster, oil or wax paint coated surfaces, wood or fibre boards.  A preferred mixture, the proportions being by volume, is 1/3 parts 30 per cent aqueous suspension of polyvinyl acetate stabilized with polyvinyl alcohol, 2/3 parts 1.5 per cent aqueous solution of methyl cellulose, 2 parts of a mixture comprising 4 parts Portland cement, 1 part lime, 1 part sand and 1 part pulverized whiting.
Patent GB-1269603-A (GB)
Title: Method and apparatus for wiring a circuit board
Inventor: STERANKO JAMES JOSEPH
IPC: H05K13/06
Filed: 1970-06-15
Abstract: 1,269,603. Soldering; welding by pressure. INFOREX Inc. 15 June, 1970 [13 June, 1969], No. 28957/70. Heading B3R. A method of wiring an electrical circuit on a circuit board having contacts e.g. 14, 15, 16 suitable for connection to circuit components comprises the steps of positioning routing pins relative to the contacts, passing insulated wire through a bonding head e.g. as described in Specification 1,269,602, moving the head and board relatively so that the wire extending from the head successively bears against contacts to which connection is to be made and applying heat to the head at each contact which the head bears against to vaporize the insulation and bond the wire to the contact, the relative movement of the head from contact to contact being effected only between rows of the routing pins so that the wire does not cross or bear against any contact to which connection is not to be made. The routing pins may be mounted on a fixture so as to project through plated through holes e.g. 24, 25, 26, 27 in the circuit board when placed on the fixture and the fixture may be mounted on a table movable only in one of two orthogonal directions at a time. Alternatively the routing pins may be carried by a vacuum device, released therefrom into the holes and picked up thereby after wiring is completed. Alternatively pins projecting from flat packs bonded to the other side of the board may project through the plated through holes and serve as routing pins. Apparatus, Fig. 4, for simultaneously wiring several circuit boards comprises a plurality of soldering heads 32 ... 35 each having its supply reel 36 ... 39 for insulated wire and mounted above a table 31 adapted to be positioned by an automatic tape-controlled positioning system.
Patent GB-846939-A (GB)
Title: Improvements in machines for spraying insecticides and the like
IPC: A01M7/00
Filed: 1957-09-16
Abstract: 846,939. Crop sprayers. PEARCH, L. C. Sept. 16, 1958 [Sept. 16, 1957], No. 29065/57. Class 69 (3). In a machine of the kind in which an axial-flow fan 12 is mounted in a casing 13 at the machine rear and drives an air current forwards against a deflector 29, whereby the air is discharged in directions substantially at right angles to the fan axis, the deflector is of hollow frustoconical form with its lower circumferential part cut away to accommodate a curved deflector plate 32, whereby air from the lower part of the fan casing is guided into the deflector interior and is delivered therefrom through channels 31 to join the main air discharge outside the deflector. The machine comprises a trailer carrying a tank 16 for the spray liquid which is fed to spraying nozzles 37 carried on pipes 38, and the fan casing has its forward end spaced from the tank near wall to provide the main air-discharge outlet. The deflector 29 has lugs 30 secured to the tank near wall, and its front edge is spaced therefrom to provide the air discharge channels 31. A tube 17 extending through the tank houses the fan drive shaft 18 and a bearing 19, and a split clamp 33 surrounds the tube and carries two hinge mountings 34 upon which two air-diverting blades 35 pivot. The positions of the latter are controlled by rods 36 and the blades are shaped to conform to the interior of the deflector 29 so that the air guided into the deflector can be deflected therefrom mainly to one or both sides of the machine. Stationary radial guide vanes 20 are secured to a hub 21, and are curved transversely in a direction opposite to that of the curvature of the fan blades 23, so that the fan delivers air to the deflector in a direction substantially parallel to the fan axis. Specifications 623,068 and 846,940 are referred to.
Patent GB-1146328-A (GB)
Title: Improvements relating to cutting devices
Inventor: PROCTOR SIDNEY ERNEST
IPC: E21C35/23
Filed: 1965-07-08
Abstract: 1,146,328. Mineral-mining cutter drums. AUSTIN HOY & CO. Ltd. 8 July, 1966 [8 July, 1965], No. 29077/65. Heading E1F. The cutter tools or tool holders 19 of a mineral-mining drum 10 are mounted on one or more tubular spacing members 17 secured to the drum. The members 17 may be double banked tubes that either extend spirally around the drum or encircle the outer end of the drum. Dust-suppressing water may be fed to the picks from within the drum by way of the members 17.
Patent GB-699354-A (GB)
Title: Improvements in or relating to speed-change gear
IPC: F16D31/04
Filed: 1950-11-28
Abstract: 699,354. Variable-speed gearing. CARDUNETS Y TALLADA, A., and DELCLAUX Y CAPILLA, F. Nov. 28, 1950 [Nov. 29, 1949; Oct. 31, 1950], No. 29117/50. Class 80 (ii). Variable-speed gearing comprises an internally-toothed ring 3 fixed to the driving member 1 and meshing with planet pinions 12 in a carrier 8 fixed to the driven shaft 4, each pinion 12 forming with the ring 3 a gear pump with suction and pressure chambers 13 and 14 in the carrier 8 interconnected by a conduit containing an adjustable valve 27. As shown in Figs. 1, 2, the ring 3 is fixed to a driving flywheel 1, the lift valves 27 being operated by pivoted arms 15 actuated by a cone 17 adjustable along the shaft 4. The gear is enclosed in a casing 2 secured to the flywheel 1 and containing oil which has access to the suction chambers 13. As shown in Figs. 4, 6, the ring 3 is fixed to the driving shaft 1. The pressure chamber of one pump communicates with the suction chamber of the adjacent pump through a conduit 28 containing a throttle valve 27 adapted to be rotated. by a spring-loaded plunger 42 slidable in the shaft 4 under the control of a lever 38, the plunger 42 having a cam end 43 actuating spring-loaded rods 45 with rack ends 47 engaging teeth on the valve spindles 48. A cover 21 secured to the ring 3 forms an oil space, and blades 35 and 36 formed on the carrier and cover 21 co-operate, during rotation, so as to contribute to the transmission of power. Openings 37, Fig. 6, between the blades 35 lead to the suction chambers of the pumps so that, due to the oil pressure developed by the blades, the gear pumps can function as motors, thus further contributing to the transmission of power.
Patent GB-458876-A (GB)
Title: An improved filter
IPC: B01D35/04
Filed: 1935-10-22
Abstract: 458,876. Filters. BARNETT, E. W., 2, Monteagle Avenue, Barking, Essex. Oct. 22, 1935, No. 29121. [Class 46] A filter, applicable for use in funnels for filling beer into casks comprises a filter block 7 of sponge or other suitable med ium in a cylindrica body 1 having aper tures 4 in its wal and surrounded by i perforated cylinder 5 The bottom of the body 1 is closed by a plate 2 with outlet tube 3 surrounde( by a conical bung 14 A perforated plate 8 is held in position on the top of the block 7 by a screwed ring 11.
Patent GB-993749-A (GB)
Title: Production of colour photographic images
Inventor: JAEKEN JAN
IPC: C07D215/38
Filed: 1962-07-30
Abstract: Compounds of formula <FORM:0993749/C2/1> wherein R11 is CONH2 or SO2X wherein X is alkyl, aryl or substituted alkyl or aryl, R12 and R13 are alkyl, aryl or aralkyl or substituted alkyl, aryl or aralkyl and Z1 completes a benzene ring which may be substituted, are prepared by reacting the appropriate 2-quinolone with phosphorus pentasulphide to give the 2-thioquinolone, quaternizing this with methyl iodide and then reacting this salt with a sulphonyl or carbonamido hydrazone. Specified compounds are those wherein R11 is carbamido, n-hexadecylsulphonyl and 4-carboxybenzenesulphonyl, R12 is methyl, isopropyl, trifluoromethyl, n-pentadecyl, phenyl and 4-chlorophenyl, R3 is methyl, isopropyl, n-heptyl, phenyl, benzyl, pentadecyl, and 4-(b -carboxyacryloylamino-phenyl) and the benzene ring may be substituted by methyl, methoxy, chloro or a b -carboxyacryloylamino radical.  1-methyl-4-pentadecyl-2-quinolone and 4-pentadecyl-6-methyl-2-quinolone are prepared by heating N-methyl palmitryl acetanilide or palmitoylacet-p-toluidide in strong sulphuric acid.  The 2-thioquinones are prepared and quaternized as above and then reacted with 4-carboxyphenyl sulphonyl hydrazone.  1,4 - dimethyl - 6 - (b  - carboxyacryloylamino)-2-quinolone-n-hexadecylsulphonyl hydrazone is prepared by reacting a quaternized 1-methyl-4-methyl-6-nitro-2-thioquinolone with n-hexadecylsulphonyl hydrazide to give 1,4-dimethyl-6 - nitro - 2 - quinolone - n - hexadecylsulphonylhydrazone, reducing this to the amino compound with Raney nickel, and reacting the amino compound with acetonitrile.  1 - methyl - 4 - [41 - (b  - carboxyacryloylamino)-phenyl] - 2 - quinoline - n - hexadecylsulphonyl hydrazone is prepared by reducing 1-methyl-4-[41 - nitrophenyl] -2 -quinolone - n - hexadecylsulphonyl hydrazone to the amino compound which is reacted with acetonitrile.
Patent GB-486007-A (GB)
Title: Improvements in or relating to knitting machines
IPC: D04B35/10
Filed: 1936-11-27
Abstract: 486,007. Knitting-machines. HOSIERY DEVELOPMENTS, Ltd., MILLS, R. K., and WRIGHTWEAR, Ltd. Nov. 27, 1936, No. 29150. [Class 74 (ii)] Means interconnected with the manual control for stopping and starting the machine are provided for automatically holding the pivoted feeler or dropper of the stop mechanism against movement when the machine is stopped manually. The dropper is thus prevented from drawing off silk or like slippery threads from the supply cop. Each of the droppers provided in a multifeeder machine may be so controlled. Falling of the dropper 11 upon failure or breakage of the thread T rotates a rod 12 to rotate, in turn, a vertically pivoted rod 15. The rod 15 is connected to a radial rod 16 which rotates a catch 17 engaging a trip lever 19. The lever 19, when released by the catch 17, is spring urged to depress a lever 22 and release a catch bar 24 to permit a lever 25 to stop the machine. Upon movement of the clutch members 27, belt-shifter or other manual stopping device to stop position, a cam 28 is moved from beneath a lever 30. The lever 30 is connected bv links 31, 33, 32 to a cam member 34 operative upon a rotatable pin ring 38. A pin 43 projects from the ring 38 and is moved when the ring 'is rotated so as to hold up the dropper 11. The Provisional Specification describes also a form in which the dropper is held up, not by a pin 43, but by the thread. A clip is mounted above the dropper and is normally held open by a pin connected with the manual starting and stopping mechanism. Upon manual stoppage of the machine, the pin is moved from the clip, which closes upon the thread.
Patent GB-325209-A (GB)
Title: Manufacture of highly viscous acetylcellulose soluble in acetone
IPC: C08B3/06
Filed: 1928-10-11
Abstract: 325,209. Wacker Ges. f³r Elektrochemische Industrie Ges., Dr. A., and Gruber, W. Oct. 11, 1928. Right to Patent relinquished. Cellulose acetates.-Highly viscous acetates soluble in acetone are prepared by treating cellulose acetates, which are insoluble in acetone. with an acid salt, containing water of crystallization, of a heavy metal of the first or second group of the periodic system either alone or if desired admixed with another acid salt or with a neutral salt at a temperature below 30‹ C. The acid salt containing water of crystallization may be added as such or may be formed in the mixture which is to be subjected to the treatment. In examples, cellulose tri-acetate is dissolved in glacial acetic acid, ZnCl2, HCl, 2H2O is added and the solution allowed to stand at 20‹ C. until the product is completely soluble in acetone: cellulose acetate is formed by means of acetic anhydride and zinc chloride, the residual anhydride is decomposed and then a quantity of water and hydrochloric acid is added such that ZnCl2, HCl, 2H2O is formed in the reaction mixture, which is them treated as in the first example: cellulose acetate is prepared by means of acetic anhydride and sulphuric acid, the residual anhydride is decomposed by addition of equivalent quantity of water, the sulphuric acid is neutralized, for example by means of sodium carbonate and the product mixed with ZnCl2.HCl,2H2O and CaCl,6H2O and further treated as in the first example; cellulose triacetate dissolved in glacial acetic acid is mixed with 3HgCl2, 4HCl, 14H2O at 20-30‹ C. and the mixture further treated as in the first example. The cellulose tri-acetates treated may be made by any known process, for example as described in Specifications 21628/01 and 291,001.
Patent GB-257791-A (GB)
Title: Improvements in grease guns
IPC: F16N5/00
Filed: 1925-11-20
Abstract: 257,791. Evans, F. E. Nov. 20, 1925. Actuating by compressed air; single-acting piston pumps ; carriages ; suction reservoirs. - Grease is pumped from a tank 20 by a pump 43 actuated by a compressed-air motor 32 supplied from a tank 6 and controlled by hand-actuated valves. The whole may be mounted on a wheeled frame 1. The cylinder of the motor is pivoted at 35 and the pistons of the pump and motor are connected to the ends of a lever 52 which pivots on a rod 50 pivoted at 51 to the frame. Pipes 60, 61 from the air reservoir and motor are connected to a block 70, Figs. 3 and 4, having passages controlled by spring-pressed valves 75, 78 actuated by push-buttons 76. The pipes 60, 61 are connected through the passage 79 by opening the valve 78. The valve 75 is then opened to connect the motor to atmosphere through the port 80 and the piston of the motor is returned by the spring 57. The discharge pipe 62 of the grease-pump is connected by a passage 81 in the block to a pipe 82 conveying the grease to the point of delivery.
Patent GB-189633-A (GB)
Title: Improvements in or relating to means for applying heat to substances contained in baths, crucibles, boilers and the like
IPC: F24H1/20
Filed: 1922-03-09
Abstract: 189,633. Roberts, C., and Fuller, H. March 9, 1922. Submersible liquid-heaters.-In apparatus for applying heat to substances contained in baths, boilers and the like, of the kind in which a burner, supplied with air and gas under pressure, is connected in an air-tight manner to a heating conduit, the burner c, Fig. 6, comprises an annular mixing-chamber c<1> into which air under pressure is admitted at c<2> and gas under pressure at c<3>, the respective streams meeting each other " head on " and becoming thoroughly mixed before entering the burner mouth c<7>. The air and gas are preferably supplied at a pressure only just exceeding that of the atmosphere, c<4>, c<5>, c<6> are lighting holes, either c<4> or c<5>, located in rear of the mixing point, being preferably used. The burner mouth c<7> is screwed into one end b<1> of an open-ended tube B which is either immersed in the substance to be heated, as shown in Fig. 1, or surrounds the vessel containing the substance. The tube B may be arranged in coiled or sinuous form and to present a largeheating surface may be of rectangular crosssection or provided with one or more box-shaped extensions.
Patent GB-1215664-A (GB)
Title: Process for improving color of phosphoric acid
IPC: C01B25/235
Filed: 1969-06-10
Abstract: 1,215,664. Improving the colour of phosphonic acid. FREEPORT SULPHUR CO. 10 June, 1969 [9 July, 1968], No. 29468/69. Heading CIA. The colour of phosphoric acid produced by the wet process is improved by mixing either the components used to produce phosphoric acid or the acid subsequent to its production with one or more additives comprising inorganic hypochlorites, chlorites or chlorates. The concentration of the additives is from 0-5 to 25 pounds per ton of phosphorous pentoxide contained in the produced phosphoric acid. The phosphoric acid is treated with the additives after the digestion step and before the filtration step in its production. Specified additives include sodium hypochlorite, calcium hypochlorite, sodium chlorite, sodium chlorate, ammonium chlorate and potassium chlorate.
Patent GB-427488-A (GB)
Title: Therapeutic products containing lacto-bacillus acidophilus
IPC: A61K35/747
Filed: 1933-10-25
Abstract: A mass containing lacto-bacillus acidophilus and ordinary yeast for therapeutic use is obtained by allowing the lactic bacilli to develop in a culture medium and then seeding the culture with yeast, allowing the yeast and bacteria to develop in symbiosis, and finally separating the mixed organisms from the medium. According to an example a malt wort of 4 Brix density is acidified with lactic acid, seeded with the whey from a pure culture of lacto-bacillus acidophilus in milk and kept at 30 to 34 DEG  C., for 24 to 48 hours. The culture so obtained is seeded with yeast and allowed to develop for 24 hours during which it is vigorously aerated.  The culture is then filtered and the mixed organisms compressed into cakes. Reference is made to preparations of lacto-bacillus acidophilus in whey and to tablets in which it is incorporated with starch or chalk.
Patent GB-837270-A (GB)
Title: Thrust bearing assemblies
IPC: F01D25/16
Filed: 1958-09-16
Abstract: 837,270. Thrust bearings. GARRETT CORPORATION. Sept. 16, 1958 [Sept. 17, 1957], No. 29662/58. Class 12 (1). A thrust bearing comprises a rotary thrust member 30 secured to a shaft 14 and having thrust surfaces facing opposite directions, a housing 10 having an end face 22 surrounding the shaft, and inner and outer fixed thrust members 23, 24 each having a locating face engaging the end face of the housing. Both the fixed members 23, 24 have surfaces facing the thrust surfaces of the rotary member 30 and act as thrust bearings when axial loads are applied to the shaft. Preferably lubrication channels 34, 34a, 37 are provided through which oil is fed to the bearing surfaces, excess oil being drained through the channel 41 and seals 36, 40, 43 being provided to retain the oil in the bearing.
Patent GB-159588-A (GB)
Title: Improvements in and relating to steam-generators and superheaters
IPC: F22G7/14
Filed: 1919-11-28
Abstract: 159,588. Scott, H. B., and Smith's Dock Co., Ltd. Nov. 28, 1919. Jointing tubes to headers. -The joint for connecting the superheater tubes 1 to a header comprises upper and lower semicircular straps 21, 22 with interlocking projections, said straps forcing the cone nipple 20, screwed on the tube 1, into the cone seating in the header. A modification shows a ring 23, in halves, recessed into the tubes 1, and engaged by a strap 24 provided with a U-bolt 25 and studs 26 to force the end of the tube into a recess in the header.
Patent GB-784928-A (GB)
Title: Rotary pump with sealed impeller hub
Inventor: DOBLE WARREN
IPC: F16C33/76
Filed: 1956-09-28
Abstract: 784,928. Rotary pumps. JABSCO PUMP CO. Sept. 28, 1956, No. 29717/56. Class 110 (2). Fluid-tight driving means for a pump, which may be used for corrosive liquids, comprises a sleeve 30, loosely encircling a driving-shaft 26, upon which is mounted a pump rotor 14. As shown, the rotor is made of rubber and is bonded to the sleeve, which is secured to the shaft by means 32. The rotor in the working chamber 12 carries flexible vanes which are flexed by a campiece 18. A seal 36 prevents leakage from the chamber 12, and a further seal 40 shields the bearings and prevents loss of lubricant from them. In Fig. 3, not shown, the end of the sleeve has a seal 40 spaced axially from the bearing chamber, which is closed by a further seal 56, not shown. An 0 sealing ring 50 is also provided. The shaft is sealed off from contact with corrosive liquid, which may be pumped, and is also easily removable. A flange 24 is provided for mounting the pump.