baber/WOPTO huggingface dataset:
Patent GB-482113-A (GB)
Title: Improvements in clutches
IPC: F16D13/71
Filed: 1937-09-17
Abstract: 482,113. Friction clutches. GENERAL MOTORS CORPORATION. Sept. 17, 1937, No. 25279. Convention date, Sept. 28, 1936. [Class 80 (ii)] The pressure plate 31 of a friction clutch is urged in engaging direction, away from the cover plate 37, by an annular conical spring plate 33 which is formed with radial corrugations, providing opposed grooves 45 and 47, the plates 31 and 37 having projections 41 and 39 which engage in the grooves 45 and 47 respectively at differing radial distances from the clutch axis. The spring 33 thus acts also to communicate the rotation of the driving flywheel 15 to the pressure plate and to centre the latter. In assembling, the spring 33 is stressed so as to bias the pressure plate in engaging direction, and, to disengage the clutch, the spring is stressed further by means of an axially-movable control collar 49, engaging its inner periphery. As shown in Figs. 1 and 2, the axial projections 41 of the plate 31 are arranged radially inwardly of the radial projections 39 of the plate 37 and the collar 49 is moved to the right for clutch disengagement. In the form shown in Fig. 8, the axial projections 39 are disposed radially inwardly of the axial projections 41, and the collar 49 is moved to the left for disengagement. Means for positively retracting the plate 31 during disengagement is also provided. Thus, as shown in Figs. 1 and 2, the legs 69 of a U-shaped wire member extend along adjacent grooves 47 into slots in the collar 49, while the connecting part 67 is bent over the edge of the plate 33 into engagement with a notch 43 in the intermediate projection 41. During disengagement, the wire member pivots about the parts 70 of the projections 39 so as positively to retract the pressure plate. In the form shown in Fig. 8, the notch 43 of each projection 41 is engaged by the bight of a U-shaped wire member, the legs 227 of which extend along the adjacent grooves 47, through notches 221 in the projections 39, into engagement with the end of the collar 49. The wire members fulcrum in the notches 221. In this form, separation of the spring 33 from the collar 49 is prevented by a tubular member 223 which is secured in the collar and which has a hook 225 engaging over the edge of the spring. The spring plate 33, by reason of its corrugated structure, has a relatively long range of deflection throughout which the pressure required to produce the deflection is substantially constant, whereby the effect of wear on the clutch action is minimized.
Patent GB-920127-A (GB)
Title: Improvements in and relating to a quarternary ammonium compound and the preparation thereof
Inventor: COPP FREDERICK CHARLES
IPC: C07C309/30
Filed: 1959-07-24
Abstract: The invention comprises N-benzyl-N : N-dimethyl - N - 2 - phenoxyethylammonium p-toluene sulphonate (bephenium p - toluene sulphonate), and the preparation thereof by reacting a tertiary amine having all but one of the groups desired in the quaternary ammonium cation attached directly to the nitrogen atom with the p-toluene sulphonate of the group it is desired to introduce, or by reacting an N-benzyl-N : N-dimethyl-N-2-phenoxyethylammonium salt other than the p-toluene sulphonate salt with a salt of p-toluene sulphonic acid. Pharmaceutical compositions active against nematodes contain as the active ingredient N-benzyl - N:N - dimethyl-N-2-phenoxyethyl-ammonium p-toluenesulphonate.  The compositions may be in the form of a draught, or a drench in water or in a syrup, in the form of a capsule or cachet in the dry state or in a non-aqueous suspension, in the form of a tablet, or in the form of a suspension in water, syrup or an oil or in a water/oil emulsion when flavouring, preserving, suspending, thickening or emulsifying agents may be included.
Patent GB-203537-A (GB)
Title: Improvements in valves for regulating the flow of fluids in pipes
IPC: F16K1/12
Filed: 1922-09-21
Abstract: 203,537. Boving, J. O. Sept. 21, 1922. F l u i d actuated valves. - A valve device of the type in which the fluid is diverted into an annular stream by a hollow stream line body and subsequently converges, the now being regulated by a stream line valve body seating at the convergence and displaced by pressure fluid alternately admitted to opposite sides of an annular piston has the piston arranged radially inwards of the valve body. The valve plunger d has a valve face d<1> adapted to engage a seat c<1> and is secured to an annular piston sliding on a hollow projection f formed integrally with the diverting body. A partition g is secured to the end of the projection f to form a chamber i to which fluid may be supplied through a passage k to open the valve. The valve is closed by admitting pressure fluid through a passage to the chamber h behind the piston.
Patent GB-1321512-A (GB)
Title: Method of manufacture and magnetic compositions of praseodymium chromium oxide
IPC: H01F1/03
Filed: 1971-04-19
Abstract: 1321512 Praseodymium-modified chromium oxide INTERNATIONAL BUSINESS MACHINES CORP 19 April 1971 [25 May 1970] 25581/71 Heading C1A [Also in Division H1] A particulate ferromagnetic praseodymium modified chromium oxide composition of tetragonal crystal structure contains oxygen, from 56% to 61% by weight of chromium and from 1 to 6% by weight of praseodymium as an integral part of the crystal structure. The particles may be acicular, with a length to width ratio from 3 to 1 to 20 : 1, and a length from 1 to 7 microns. It is produced by heating a mixture of chromium trioxide and a praseodymium source at between 250 C. and 500 C. and at greater than 50 atmospheres (e.g. up to 3000). In Example 1 an aqueous or mineral acid paste made from PrCl 3 .OH 2 O (1 g.) and CrO 3  (6g.) was placed in a glass tube located in a pressure vessel. The pressure was raised to 75 atmospheres at ambient temperature and then the vessel was heated to 250 C. for 1 hour and then to 410 C. for a further hour, the final pressure being 238 atmospheres, and the resulting finely divided black powder was washed with water and then with methyl alcohol. In other examples Pr(NO 3 ) 3 5H 2 O, and Pr 6 O 11  were used and in example 2 K 2 CrO 4  forms an additional starting material.
Patent GB-482196-A (GB)
Title: Improvements in bar screens and their attachment
IPC: B07B1/46
Filed: 1936-09-21
Abstract: 482,196. Sifting-apparatus. SIMONCARVES, Ltd., ADAMS, V. H., MEREDITH, J. W., and EVANS, C. Sept. 21, 1936, No. 25584. [Class 117] A bar screen is mounted on channel beams of I or U section by means of recessed blocks bearing against longitudinal bars of the screen, clamping bolts being provided. In the form shown, the longitudinal bars 5 are held by blocks 13 forced against the beam 11 by clamping bolts 15. The screen is composed of wedge wires 1 wound around transverse rods 2 secured to the bars 5. Two screens may be mounted side by side in a common frame.
Patent GB-141621-A (GB)
Title: Improvements in or relating to gates
IPC: E06B11/02
Filed: 1919-10-20
Abstract: 141,621. Bewes, W. A. Oct. 20, 1919. Gates.-The main framing is composed of diagonals a, b rigidly connected together as by a halve joint &c. secured in position by a bolt c, vertical and horizontal members g, h; c, f being bolted to the diagonals. The hinges d are bent to lie along the members a, b and are bolted in position. Preferably the shutting style g is of metal and provided with a fastening-piece i. According to the Provisional Specification, intermediate upright members may be employed.
Patent GB-701431-A (GB)
Title: Improvements in and relating to the manufacture of sheets of abrasive material
IPC: B24D3/28
Filed: 1950-05-04
Abstract: Water-proof abrasive sheet material is formed by impregnating and coating a sheet of cellulosic material with a solution, e.g. in benzene, of a product formed by heating, at 240-300 DEG C. under reduced pressure, a natural resin modified phenol-formaldehyde resin and synourin oil, applying abrasive particles to the treated sheet and drying below 100 DEG C., e.g. between 60 DEG  and 90 DEG C.  A second application of adhesive solution may be applied after the abrasive particles and similarly dried.  Synourin oil is defined as the tri-glyceride of linoleic acid.  Suitable modified phenolic resins are available under the Registered Trade Mark "Albertol."
Patent GB-1343245-A (GB)
Title: Additives for lubricating oils
IPC: C10M159/20
Filed: 1972-06-02
Abstract: 1343245 Basic lubricant additives WITCO CHEMICAL CORP 2 June 1972 [4 June 1971] 25842/72 Heading C5F A stable colloidal dispersion of a basic magnesium salt in a lubricating oil having a base number of at least 250 and a particle size of at most 2 Á is prepared by (i) passing CO 2  into a mixture of Mg metal and a C 1 -C 3  alkanol (the CO 2  and alkanol being in stoichiometric excess), (ii) adding the resulting solution of magnesium alkoxide-carbonate complex to a single phase mixture of a lubricating oil, naphtha, an oilsoluble dispersing agent (e.g. sulphonates and phenates) and water (stoiciometric excess) (iii) allowing the mixture to separate into an upper and lower phase, (iv) stripping the volatiles from the lower phase and (v) removing all particles of more than 2 Á either before or after stripping.
Patent GB-787816-A (GB)
Title: Air conditioning unit
Inventor: DAWSON HENRY LEONARD
IPC: F24F1/0071
Filed: 1955-09-09
Abstract: 787,816. Air conditioning unit. HALL & CO., Ltd., M. Sept. 9, 1955, No..25899/55. Class 137 An air conditioning. unit, for use primarily as a wall mounting, comprises a casing 1 containing a centrifugal fan E driven by a motor J, and a heat exchanger B, room air entering the unit through two louvred openings, not shown, in the upper sides of the casing being drawn downwards into the fan 'E through a pair of inlets 7 in opposite ends of a fan housing 12 and forced upwards along an air duct 15, Fig. 5, formed between a back plate 10 of the casing and a baffle plate 16, and over the heat exchanger B for return into the room through a louvred grille 4 in the upper part of a detachable front plate of the casing. In order to eliminate noise the fan housing 12, and a heat exchanger housing 13 are secured to the back plate 10 which has a pad, e.g. of sponge rubber, attached to its outer face. Bolts 21, which secure a base plate 20 for the motor J to the top of the housing 12, are fitted with sound absorbing blocks 22, the fan E, driven by a Vee-rope drive 23 from the motor J, being supported in bearings 29 mounted in saddle plates 28 which are supported by means of anti-vnbration blocks 24, to brackets 25 attached to the underside of the base plate 10. A central diaphragm 30 of the fan E is lined with sound absorbent material and the fan shaft is sheathed in rubber. The heat exchange battery B consists of piping 33 for the passage of hot or cold water, or refrigerant, flow and return pipe connections 34, 35 being provided with a control valve 36 and an isolating valve 37 which are housed inside the unit. A drip tray 13<SP>1</SP>, for the condensate, has an outlet pipe 39. Two additional pipes 40, 41 are incorporated, one serving as an air vent and the other as a drain. These two connections, if coupled to a pressure gauge, enable the pressure drop across the battery to be measured. An opening 42 may be provided for the intake of a small volume of fresh air, and all of the air inlets may be fitted with air filters. The position of the fan E and the heat exchange battery can be reversed.
Patent GB-912350-A (GB)
Title: Preparation of phosphorus-containing organic mercury compounds
IPC: C07F9/165
Filed: 1960-07-26
Abstract: Phosphorus - containing organic mercury compounds are prepared by reacting a phosphoric acid ester, a monothiophosphoric acid ester or a dithiophosphoric acid ester with a compound obtained by reacting a mercuric salt, an organic compound containing one olefinic bond and water or an organic compound containing an active hydrogen atom.  The ester may be a mono- or dialkyl ester or a diaryl ester.  Preferred olefins are ethylene, butylene, styrene, cyclohexene and allyl alcohol.  Compounds containing an active hydrogen atom are preferably alcohols and acids.  Typical of the compounds prepared are 2-methoxy-2-phenyl-ethyl-1-mercuric dibenzyl phosphate and 2 - methoxy-butyl-1-mercuric dioctyl dithiophosphate.
Patent GB-632271-A (GB)
Title: Relays
IPC: H01H51/22
Filed: 1947-09-25
Abstract: 632,271. Electromagnetic relays. GENERAL RAILWAY SIGNAL CO. Sept. 25, 1947, No. 26047. Convention date, Sept. 27, 1946. [Class 38(v)] A polarized relay which will respond to current in one direction but will be unaffected by current in the other direction even though this is considerably greater comprises windings on two parallel cores 24, 25 which are connected at their R.H. end by a yoke 43 and at their L.H. end by the permanent magnets PM1 and PM2 and by a magnetic shunt 32 having a portion 33 of reduced cross-section. The armature 44 is at the L.H. end and is biassed by an adjustable spring 48 away from the poles 21, 22. The flux from the permanent magnets has three paths, through the armature, yoke and shunt respectively. When the windings are energized with current of the right direction, the flux due to the windings supports the permanent flux through the armature and little is diverted through the shunt 32 owing to the latter being saturated. The armature is therefore attracted. When the current is cut off the spring 48 restores the armature. A strong reverse current does not cause attraction of the armature because it opposes the flux in the shunt and would have to do this to an extent to saturate the shunt in the reverse direction before sufficient flux would be diverted to the armature to reverse its flux sufficiently to cause attraction. A slotted shunt produces this effect most readily.
Patent GB-407682-A (GB)
Title: Improvements in or relating to indicating systems particularly adapted for railway indicating systems
IPC: B61L25/04
Filed: 1932-09-20
Abstract: 407,682. Electric signalling systems STANDARD TELEPHONES & CABLES, Ltd., and GRIFFITHS, J. B., Connaught House, Aldwych, London. Sept. 20, 1932, No. 26121. Drawings to Specification. [Class 40 (i).] In a railway train describer system of the kind in which different items of information concerning a train are displayed simultaneously, automatic master control means are provided so as to originate a desired number of train descriptions in a prearranged order without intervention of an operator. The information appropriate to each train is coded on a punched card and the cards relating to a number of trains are stacked in card feeding, changing and sensing apparatus of known type and are passed in turn automatically through the sensing mechanism so as to effect the display of train descriptions successively. The sensing mechanism comprises a plurality of plungers adapted to be raised so that a number of plungers pass through the code card in accordance with the punchings to establish corresponding electric contacts which determine the nature of the information to be displayed. The departure of each train is adapted to initiate the cycle of operations of the sensing mechanism whereby a new card is inserted and the plungers are raised to establish the contacts appropriate to the next description. Subsequently a further contact is closed which initiates the transmission of signals characteristic of the selected contacts. Specification' 406,706 is referred to.
Patent GB-205968-A (GB)
Title: Improvements in apparatus for developing and otherwise treating photographic roll-films
IPC: G03D13/06
Filed: 1922-09-28
Abstract: 205,968. Boogaardt, H. J. J. van den. Sept. 28, 1922. Developing tanks for roll films.-In a daylight tank 1 the film spool is rotatable on a fixed axis near the centre of the tank, and the free end of the film is connected to a pin 23 supported from an arm 22 rotatably connected to the tank lid 14 and is drawn by rotation of the lid through a spiral guide-way, formed by a plurality of rotatable vertical guide-rollers 5. The guiderollers 5 and the spool-holder 24 are attached to a removable perforated bottom-plate 4, and a pivoted member is provided on the spool-holder tor preventing the spool unrolling till released by the pin 23 when it begins to draw the film through the spiral guide-way. The tank bottom 12 inclines to the centre where a closable outletpipe, 13 is provided, another closable outlet-pipe 2 extending from near the bottom. 12 upwards and out through the side to allow the rinsing liquid to be drawn off without disturbing the fixing- liquid precipitate. The lid 14 has a light-tight liquid funnel 17.
Patent GB-578731-A (GB)
Title: Improvements in or relating to apparatus for drying wool and other textiles
IPC: F26B21/00
Filed: 1939-09-21
Abstract: 578,731. Drying wool &c. SOC. ANON. PEIGNAGE DE TOURCOING. Sept. 21, 1939, No. 26341. Convention date, June 27. [Class 34 (ii)] [Also in Group XXVIII] Wool &c. is fed to the vicinity of a nozzle 11 or Giffard injector, the air current from which impels the wool towards a perforated endless belt 6, and it is held in contact with the underside of the belt by currents of air driven through a fixed grid 2 by fans X<1>-X<6>. The wool is conveyed by the belt to a hopper 9 and is removed therefrom by pneumatic means. The grid is supported on jacks 5 which may be actuated simultaneously. A nest of tubes T<1>-T<6> introduce heated air into the currents from the fans X<1>-X<6>.
Patent GB-988700-A (GB)
IPC: B03B1/00
Filed: 1961-07-20
Abstract: <PICT:0988700/C1/1> Fibrous bundles of crude asbestos separated from the source rock are opened up by mixing the bundles with a liquid and feeding the mixture through between rubbing surfaces, the method being characterized in that over a long path formed by the rubbing surfaces and extending helically or according to a spiral space curve and having a length amounting to a multiple of the greatest fibre length, the fibre-liquid mixture is forced through between the rubbing surfaces with controllable high hydraulic pressure so that the fibres are fulled or squeezed in constantly varying directions by being continually bent transversely of their longitudinal extension. Preferably the fibre-liquid mixture is fed in one or more passes through the same opening-up apparatus or through different such apparatus connected in series.  To shorten the opening-up period, a friction increasing substance, e.g. sand, finely ground quartz, finely ground asbestos blende, cement or a mixture of several of these, may be added to the fibre-liquid mixture.  The entire quantity of cement required for making asbestos cement finished products may be added at this stage, also pigments may be added.  In Fig. 5 a conical housing 31 with a rigid inner working surface provided with depressions 31c and a conical working body 271 on a mechanically driven shaft are so arranged that between the inner working surface and the working body there is a narrow cone-shaped passage 58 through which the fibre-liquid mixture is passed from pipe conduit 12.  The working body, which is confined between plates 46 and 47 and consists of a plurality of annular discs 27a of rubber or resilient synthetic material, is held in position by helical pressure spring 56.  In Fig. 1 a horizontal housing 1 has a rotatable rigid shaft 5 which may have one or several ribs 27 and said shaft is surrounded by an inflatable rubber lining 18 of annular cross-section and a <PICT:0988700/C1/2> packet of annular discs consisting of alternately arranged rubber discs 20 that fit closely around shaft 5 and rigid annular discs 21 having a bore diameter such that annular spaces 22 are formed between the discs and the shaft. The fibre-liquid mixture passes between shaft 5 and body 18 and then it is forced alternately through annular slits between rubber discs 20 and shaft 5, and the annular spaces 22.
Patent GB-666779-A (GB)
Title: Improvements in spoons
IPC: A47G21/00
Filed: 1948-10-11
Abstract: 666,779. Spoons. BROWNHILL, E. S. Jan. 20, 1949. [Oct. 11, 1948] No. 26378/48. Class 128. A spoon for melting and creaming fats &c. has a closed cavity x which can be filled, e.g. through an inlet y, with hot liquid, e.g. 1¢ to 2oz. of water. The cavity may extend into the handle which may have a heat-insulating part v made, e.g. of wood.
Patent GB-634889-A (GB)
Title: Connecting clip for constructions consisting of tubes or bars
IPC: F16B12/40
Filed: 1947-10-01
Abstract: 634,889. Band clips. SAUER, B. K. N., and ALLRAUM AKT.-GES. Oct. 1, 1947, No. 26505. [Class 44] A clip for connecting bars or tubes of tubular furniture, shelves, tent frames or collapsable houses comprises two halves united by a bolt 4 having a head 5 at one end and a radial projection 6 at the other adapted to be passed through a slot 7 radial to the bolt hole the bolt then being turned to lock it. Lugs 3 engage holes in the tubes. Fig. 6 shows a modification for connecting two tubes at right angles. Further modifications are adapted to connect tubes at right angles in the same plane.
Patent GB-209161-A (GB)
Title: Improvements in bell-crank and similar levers
IPC: F16H51/02
Filed: 1922-10-03
Abstract: 209,161. Cox, A. Oct. 3, 1922. Levers.-An adjustable bellcrank or other two-armed lever, such as used in carburettor and magneto controls, brake operating mechanism &c., comprises separate arm units with frictionally or positively co-engaging hubs mounted on a bearing bush or sleeve with means for securing the hubs in engagement. The separate arms a, b are mounted on a bearing and locking unit c, the co-engaging hubs a<1>, b<1> being formed with radial teeth or serrations for positive engagement or with coned or concentrically grooved friction faces. The unit c comprises a bush or sleeve having a head c<2>, the arm b having a plain bearing thereon, whilst the hub a<1> engages a screw-threaded part c<1>, enabling the hubs to be screwed tight up to the head c<2> after the arms have been arranged in desired angular relation. The assembled parts may be mounted on a fulcrum pin d. The device enables interchangeable arms of different lengths or shapes to be utilized.
Patent GB-1150330-A (GB)
Title: Improvements in or relating to Microphone Assemblies.
IPC: H04R1/08
Filed: 1967-06-09
Abstract: 1,150,330. Microphone assembly. S. G. BROWN Ltd., and T. D. IBBOTSON. 16 Jan., 1968 [9 June, 1967], No. 26782/67. Heading H4J. A microphone 10 and microswitch 12 are mounted on a plate 11 and the assembly is inserted in a close fitting rubber housing 15, the switch being operated by manual pressure through the housing on the spring-loaded operating button 19. The assembly is inserted in the circular section housing through the aperture 16 which is covered by a metal grille 18 held by the housing flange 17. The mounting plate may carry terminals for connecting the transducer and switch to the cable 13 and the switch is arranged to connect the transducer to the cable when the switch button is depressed.
Patent GB-1119236-A (GB)
Title: A method for the recovery of iron salts and sulphonic acid from spent pickle liquors
Inventor: GROSS JAMES ANTHONY
IPC: C01B17/90
Filed: 1965-06-24
Abstract: <PICT:1119236/C1/1> Pickle liquor containing ferrous sulphate and free sulphuric acid is concentrated by adding strong sulphuric acid, projecting the combined stream transverse to an accelerated stream of hot gas to form fine liquid droplets of reduced water content, separating the gas stream from the liquid phase, collecting said liquid phase as a slurry of ferrous sulphate crystals in strong sulphuric acid solution, and recovering said crystals by filtration. The slurry may first be allowed to settle and the top (acid) layer recycled. In the figure, fresh pickle liquor stream 1 is added to recycle stream 2.  Filtered acid may be added if required.  The combined stream 7 passes into chamber 11 and flows down the walls 10. Hot gas enters via 13 and may be derived from combustion of natural gas, fuel oil or residual heavy oil.  The temperature of the gas may be 800 to 2300 DEG  C.  The vapour passes out through 17 while the slurry is allowed to settle in vessel 19.  Recycled sulphuric acid leaves through 21 and slurry through 23.  The slurry is filtered at 24.