baber/WOPTO huggingface dataset:
Patent GB-1448064-A (GB)
Title: Hydraulic gear pumps and motors
IPC: F04C15/00
Filed: 1974-01-17
Abstract: 1448064 Rotary positive-displacement fluidmachines HYDROPERFECT-INTERNATIONAL HPI 17 Jan 1974 [23 Jan 1973] 2245/74 Heading F1F In an hydraulic gear-pump, or motor, pressurebalancing regions 52, 54 on the outer sides of plates 20, 22 abutting the side faces of the gears 12, 14 communicate with chambers 29, 31 for high and low-pressure working-fluid, respectively, and are separated by a gasket 48 lodged in each plate, the plates incorporating bearings 36 for shafts 16, 18. The ends of the gaskets are pressed against the body 26 owing to a tendency to extrusion thereof. Working-fluid circulates through helical grooves 40, annular grooves 42 and conduits 44 to lubricate the bearings, recesses 38 serving as reservoirs. Channels 56 may inter-connect the bearings and the low-pressure chamber 31.
Patent GB-702918-A (GB)
Title: Improvements in diamond holders for diamond-polishing machines
IPC: B24B9/16
Filed: 1951-01-30
Abstract: 702,918. Polishing diamonds. MONNICKENDAM, A., and MONNICKENDAM (DIAMOND MERCHANTS & CUTTERS), Ltd., A. Oct. 19, 1951 [Jan. 30, 1951], No. 2333/51.. Class 60 A diamond-holder in a machine (not shown) for polishing the girdle of a diamond 1 comprises a pair of pivots 2 of which one can be rotated about its axis to rotate the diamond. The diamond is gripped between the pivots 2 by turning a screw 4 to displace a shaft 3 on which one of the pivots is journalled, the thrust produced by the screw 4 being transmitted through the coupling 5 on a spindle 6 supporting the other pivot and reacted by a plate 8. An arm 11, fixed to a shaft 13 journalled in the tailstock 16 of the machine, supports the shaft 3 and the spindle 6 with the diamond 1 offset from the axis of the shaft 13 so that by driving a pinion 18 fixed on the shaft 13 the diamond may be planetated. The diamond is also rotated in engagement with a rotating spring- pressed lapping wheel 20 by the spindle 6 which is driven through a pinion 19, a shaft 14, bevel gears 10 and gears 7, 9. A balance weight 12 is provided on the arm 11.
Patent GB-764247-A (GB)
Title: Improvements in draught excluder strips, beadings, mouldings and the like
IPC: B60J10/08
Filed: 1955-01-26
Abstract: 764,247. Draught excluders; mouldings. BRIGHT, T. J. R. Jan. 26,1955, No. 2363/55. Addition to 711,371. Classes 20(3) and 20(4) A vehicle body having a channel 1, Fig. 1, around a door opening, is provided with a draught excluder or moulding having an effective portion 4 and an associated straight attachment portion 5, the attachment portion 5 being gripped by limbs 6 on clips 7 which frictionally engage the channel 1. As shown each clip 7 is of channel form with pressed out tangs 8 to bite into the sides of the body channel, and the limb 6 is pressed out of the base and has tangs 10 to engage portion 5. In a modification in which the effective portion is of sponge rubber and the attachment portion is a separate length of rubber or fabric bonded thereto, each clip is bent to form the limb 6 and has the channel engaging limbs pressed out of the clip. These pressed out limbs may be formed from the material between the limbs or on either side thereof. In a further form, Fig. 6, each clip is engaged over a flange 3 of the channel 1 and comprises a channel shaped part 13 having tangs 8 to grip the flange and a channel shaped part 15 with tangs 10 to grip the attachment portion 5, the outer wall of channel 15 being kinked at 18 to receive the edge 16 of a head lining 17. An integral lip 19 on the portion 4 may engage flange 3. In a modification the lower edge of the kinked wall of the clip is upwardly turned to engage a stiffening rib over which the edge 16 of the head lining passes and in further forms the stiffening rib is supported by pressed out tongues on the kinked wall. In another form, Fig. 7, the clip engages the wall 12 of channel 1. As shown in Fig. 12, the effective portion 4 is D-shaped and the attachment portion 5 lies directly below it.
Patent GB-489573-A (GB)
Title: Improvements in or relating to movable panels or doors for pianos and the like
IPC: G10C3/02
Filed: 1937-01-29
Abstract: 489,573. Pianofortes. EAVESTAFF & SONS, Ltd., W. G., and DAVIS, J. T. Jan. 29, 1937, No. 2732. [Class 88 (ii)] In a piano in which the keyboard 3 lies wholly within the widened ends 5 of the instrument, a top panel 1 is movable from its vertical closed position resting on the key-rail 2, to the slightly inclined rear position resting on the bar 13 as shown, on links 7 which are pivoted to the panel at 6 and to the ends of the instrument at 8. The lower edge of the panel is guided by pins 11 working in slots 12 ; and the links 7, which are connected by a longitudinal bar 10, move in recesses 9 in the instrument ends, the edges 9a, 9b of the recesses serving as stops for the links. A combined handle and music-rest 15, as described in Specification 489,586, [Group XIV], is preferably used on the panel.
Patent GB-524445-A (GB)
Title: Separation of lactoflavin and its phosphoric acid esters
IPC: A61K31/525
Filed: 1939-01-27
Abstract: 524,445. Lactoflavin and its phosphates. NAAMLOOZE VENNOOTSCHAP ORGANON. Jan. 27, 1939, No. 2889. Convention date, Jan. 28, 1938. [Class 2 (iii)] Lactoflavin and its phosphoric acid ester are separated by eluting an adsorbate containing both substances, such as the vitamin B2 complex, with an aqueous solution of an amine or amine salt or amide of 1-10 per cent. strength, the ester being washed out. Alternatively, the column may be divided into two sections when the adsorbed layers have become separated at different levels by the elution. In a modification, lactoflavin may be adsorbed from a solution of the mixture in a solution having the composition of the eluting agent described above, such as a 0.1-.5 per cent. pyridine solution, the ester being left unadsorbed. Suitable adsorbents are fuller's earth, china clay and the substance sold under the Registered Trade Mark "Floridin." Examples describe elution with aqueous pyridine, acetamide, and quinoline acetate respectively, and the absorption of lactoflavin in fuller's earth from a mixed aqueous solution containing 1 per cent. of pyridine..
Patent GB-853358-A (GB)
Title: Improvements relating to service trolleys
Inventor: HOLLOWAY MAX BARTRAM
IPC: F16B12/52
Filed: 1958-01-29
Abstract: 853,358. Tea trollies. PAYNE & HOLLOWAY Ltd. Jan. 29, 1959 [Jan. 29, 1958], No. 2910/58. Classes 52(2) and 52(3). A knock-down trolley has trays 10 having provided on the underside adjacent each corner a bracket 11 with a wedge section 113 which engages with a slideway 163 in a bracket 16 secured to a tubular upright 14, the assembled parts being locked together by a screw 15. A removable upper tray 17 has hook portions 171 which rest on cross-bars 18 interconnecting pairs of uprights 14.
Patent GB-266879-A (GB)
Title: Improvements in and relating to steam superheaters
IPC: F22G7/02
Filed: 1926-02-02
Abstract: 266,879. Superheater Co., Ltd., and Boyes, F. A. Feb. 2, 1926. Fire and smoke tube superheaters. -A U-tube superheater element has a part of its end at the outlet of the boiler flue or tube in which the element is placed surrounded by a casing which insulates the end of the superheated steam outflow leg of the element and absorbs and transfers heat to the end of the saturated steam inflow leg. The casing 5 around the end of an element tightly embraces the inflow leg 3 and is spaced from the outflow leg 1. The inner end of the space between the casing and the outflow leg may be closed to prevent the entrance of gases, or the space may be filled with heat-insulating material 7. The casing is formed with ribs 8 and is made in upper and lower parts, which are clamped on the legs by bolts 9. The casing may be made in two or more longitudinal sections each consisting of a single casting shrunk on the inflow leg and spaced from the outflow leg.
Patent GB-270003-A (GB)
Title: Process of and apparatus for coking coal
IPC: C10B1/04
Filed: 1926-02-02
Abstract: 270,003. Fairweather, H. G. C., (Urbana Coke Corporation). Feb. 2, 1926. Drawings to Specification. Retort furnaces.-The apparatus described in Specification 256,192 is used for a special processof coking.
Patent GB-657281-A (GB)
Title: Improvements in or relating to roll film photographic cameras
IPC: G03B19/04
Filed: 1949-02-04
Abstract: 657,281. Photographic roll - film cameras. KODAK, Ltd. Feb. 4, 1949, No. 3182. Convention date, Feb. 4, 1948. [Class 98 (i)] A roll-film camera includes a film-winding shaft axially movable to either of two positions ; in one of which it is connected to a film take-up spool so that rotation of the shaft winds film on the spool, and in the other of which it is disconnected from the spool, and means for retaining the shaft in either position. As shown in Fig. 1, the shaft is rotatable as by a knob 31, and has a thickened portion 27 journalled in the camera body, a less thickened portion 32 on which one end of the take-up spool 17 is free to rotate, and a thinner portion 33 extending through the spool hub. The lower spool flange 19 has a central aperture, Fig. 4, with slots 21 in which fit extensions 20 of the hub, and inward projections 22. The shaft is grooved at 38 near its end, and also has axial grooves engaging projections 22 when the shaft is in its lower position. When the shaft is in its upper position, projections 22 lie in groove 38, and the spool can rotate independently of the shaft. The shaft is retained in either position by a spring 47 which clicks into grooves 44. The shaft may have extensions 65 which engage holes in a gear wheel 55 in both positions, the wheel 55 having a one-way pawl, and being geared to shutter winding mechanism.
Patent GB-100778-A (GB)
Title: Improved Manufacture of Perborate of Sodium.
IPC: C01B15/12
Filed: 1916-03-02
Abstract: 100,778. Deutsche Gold- & Silber- Scheideanstalt, vorm. Roessler. 30, 1915, [Convention date]. Addition to 100,153. Sodium perborate, obtaining, by the process described in the parent Specification. According to the present invention, high current-densities are employed at 'both electrodes in order to improve the yield, increase of density at the anode having the greater influence. An iron rod may serve as cathode, and a platinum net as anode. Particulars of the yields obtained with anode current densities of 10, 20, and 40 amperes per sq. dcm., and cathode densities of 8.2, 10, and 20 amperes per sq. dem., are given. The electrolyte may contain, in addition to borax, 138 grm. of sodium carbonate, 50 grm. of bicarbonate, and 20 grm. of perborate per litre.
Patent GB-865001-A (GB)
Title: Improvements in or relating to calibrating troughs for machines for distributing fertilizers or other substances for horticultural purposes
Inventor: EVANS RICHARD HENRY
IPC: A01C15/06
Filed: 1959-01-29
Abstract: 865,001. Fertilizer distributers. SELFSET Ltd. Jan. 25, 1960 [Jan. 29, 1959], No. 3228/59. Class 6(1). A calibrating trough 1 is attached to a fertilizer distributer by means of locating pegs 2 and a spring 4, to receive material discharged from a rotor 8 of the machine, the contents of the trough for a given movement of the distributer being weighed. Alternatively the trough may be provided with graduations representing weight, individual scales having graduations corresponding to substances of different densities being marked in the trough.
Patent GB-609327-A (GB)
Title: Improvements in and relating to die-stamping printing
Filed: 1946-02-01
Abstract: 609,327. Printing processes and apparatus; embossing. PACKER, L., and PACKER, G. E. Feb. 1, 1946, No. 3317. [Class 100 (ii)] Paper is simultaneously embossed and printed in a wax by coating a heated intaglio die with wax, removing the surplus wax and pressing the paper between the die and a counter die. For two-colour work, two-part design engravings are provided, one on each side of the longitudinal or transverse centre line of the die and provided with waxes of the desired colours. After an impression from the die on a sheet, the sheet is turned through 180 degrees and again impressed and then cut into two sheets each bearing a similar two-colour impression. Figs. 1 and 4 show a suitable machine for colour embossing in a single colour. The die 1 is mounted on a carrier 2 heated electrically and secured to a rock shaft 3 operated by a slotted arm 7 carrying fixed and spring-pressed rollers 8, 9 engaging on edge cam 11 on a driven shaft 12 so that the die is moved to the open position, Fig. 4, for receiving the wax " ink and then the closed position. Fig. 1, to effect the colour embossing by co-operation with an electricallyheated counterdie 16b secured to a holder 14 pivoted at 15 and actuated by toggle 17 and slotted arm 18 actuated by a second cam 20 on the shaft 12. A wax-coated or impregnated tape is led from a roll 23 round a guide roller 26, electrically heated bar 27, guide roller 26a, and feed rollers 28, 28a to a rewinding reel 29, and a wiping tape passes from a roll 30 round rollers 34, 35, and feed rollers 36, 37, to a rewinding reel 38. The feed roller 36 is actuated by ratchet mechanism, the pawl arm 55a being rocked by a link 56 connected to a block 57 adjustably mounted on an arm 58 pivoted at 59 and carrying a roller 60 co-operating with a cam arm 61. A similar mechanism is provided for actuating the feed roller 28. The roller 35 and the bar 27 are mounted on shafts supported at each end in members 43, 44, Figs. 7, 8, slidable in a box 41 which is slidable in a fixed bracket 39. The members 43, 44 carry rollers pressed by springs 45 into contact with a cam 50, 51a on the shaft 3, and a roller 42, Fig. 8, on the box 41 engages a grooved cam 51 on the shaft to cause compression of the springs 45 as the die moves to the open position and to remove the compression as the die returns. The cam 50, 50a is in two relatively adjustable parts to control the period of contact of the bar 27 and roller 35 with the die in accordance with the length of the latter. The cam bar 61 is connected at its ends to the cam parts 50, 50a so that it is automatically adjusted to time the feeding of the tapes so that it occurs while the tapes are in contact with the die.
Patent GB-1278218-A (GB)
Title: Diesel fuel shut-off device
Inventor: HOLTERMANN OTTO
IPC: F02D1/00
Filed: 1971-01-28
Abstract: 1278218 Controlling diesel engines FORD MOTOR CO Ltd 28 Jan 1971 3352/71 Heading F1K In a diesel engine a) a fuel shut-off device 10 is movable manually against spring bias 13 to an "on" position; b) a latch 12 is normally engagable with the fuel shut-off device to hold it in an "on" position c) a solenoid 17 connected to an engine on/off switch is energized when the switch is turned off, and the engine is running d) when the solenoid 17 is energized it disables the latch 12 thereby allowing the fuel shut-off device 10 to return to an "off" position and e) the solenoid is automatically de-energized when the engine is stopped. The solenoid is de-energized when an oil pressure switch (not shown) opens, the oil pressure switch being arranged to open when the oil pressure falls below a predetermined value.
Patent GB-589923-A (GB)
Title: Improvements in or relating to novel lubricating compositions
Filed: 1945-02-12
Abstract: Lubricants are formed by reacting tetrafluoroethylene with organic compounds free from olefinic or acetylenic carbon linkages, giving substances whose exact structure is not known, of general formula: X(C2F4)nY, where X is hydrogen or halogen, n is an integer greater than 1, and Y is a monovalent saturated organic radicle.  The reaction is carried out between 50 DEG C. and 350 DEG C., preferably in the presence of a catalyst, and the preferred products comprise high boiling point liquids or waxy solids of melting point below 300 C. in the Mol. Wt. range of 250-2500 and containing at least 60 per cent. by weight of fluorine.  The preferred saturated organic compounds, forming the XY of the general formula above, are aliphatic or alicyclic hydrocarbons, but the following compounds are also mentioned; acids, esters, anhydrides, nitriles, amides, imides, ketones, aldehydes, acetals, ketals, alcohols, glycols, hydrocarbons, ethers, mercaptans, sulphides or disulphides.  Examples are given of these substances made with dioxane, 1-2-dimethoxyethane, ethyl propionate, n-butyric acid, cyclohexane, n-butane and chloroform as the organic compound, used directly as lubricants, or as 1 per cent. addition to mineral lubricating oil, or with graphite as a lubricant for glass stopcocks in the presence of corrosive chemicals.  These lubricants are available in a large range of viscosities, and they may be used with graphite, or with ordinary lubricating oils or greases, with or without the usual addition agents.  They are stable to high temperatures, extreme pressures and chemical corrosion, and may be used in internal combustion engines, turbines, as cutting oils, as wire-drawing lubricants, and generally in any type of moving bearings or press tools.  They may also be used as insulating and lubricating oils in electrical transformers and switchgear and the like; also for the lubrication of ammunition and various types of electric motors, and as mill greases.
Patent GB-580100-A (GB)
Title: Improvements relating to apparatus for electro-deposition
IPC: C25D21/12
Filed: 1944-02-25
Abstract: 580,100. Automatic control systems for electroplating..WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., PETER, L. H., and MACGREGOR, R. M. Feb. 25, 1944, No. 3515. [Class 38 (iv)] Current and switching control.-The control system of an electrodeposition apparatus is arranged automatically to reduce to a low polarizing value the voltage on the electrodes at the end of the plating cycle. A protection relay 23 on closing isolation 2 energizes auxiliary contactor coil 48 by contacts 59. Contactor 48 closes contacts 58. The circuit of the main contactor 5 is completed on closing push button 56 operating main contacts 4 to feed threephase autotransformer 6 connected through the lower normally closed contacts of switch 7 to the primary of a motor driven induction regulator 10. The output from the induction regulator is connected through transformer 13 and metal rectifiers 15 to electrodes 17, 18 in vat 19. Contactor 5 also closes contacts 47 through which current is supplied to change-over contactor 8 and timing device 36, set for the required plating time, on actuating push button 35. The contactor 8 closes the upper normally open contacts and opens the lower contacts of switch 7, applying the normal plating voltage to the vat. A control ammeter 31 maintains the plating current between high and low limits by means of contacts 30, 29 energizing the motor 24 of the induction regulator. A thermostat 52 prevents overload of the rectifier by tripping contacts 51 in the auxiliary contactor circuit thereby energising the main contactor 5. When contactor 8 is de-energized by device 36, are-set circuit comprising contactors 38, 42 is energized to prevent the full plating voltage being applied to the electrodes until re-set switch 39 is operated. To indicate failure of supply, overload and incorrect plating ' current lamp circuits are provided. A stand-by battery supply 71 maintains low voltage on the electrodes should the main supply fail. A recording panel for pH, and direct-current and voltage may be provided. Re-set switch 39 may be remote from the rest of the controls to be operated by a supervisor.
Patent GB-572888-A (GB)
Title: Improvements in or relating to respirators
IPC: A62B18/08
Filed: 1942-03-18
Abstract: 572,888. Check valves. FOUNTAIN, Ltd., G. R., and HOULGATE, H. J. March 18, 1942, Nos. 3598, 6087, 9339 and 16239. [Class 135] [Also in Group VI] An exhaling valve for a respirator comprises an annulus 15 of rubber or like resilient material clamped at its inner edge between two annular surfaces, one of which is slightly larger than the other so that the annulus assumes a concave form on the side of the smaller clamping surface to ensure the annulus bearing against an annular seat 18. The valve seating may be constituted by an edge or a very narrow surface so as to obtain line contact between the seating and the annulus, and the larger annular clamping surface may be conical so that the valve is biassed against its seating. An acoustic diaphragm 2 for transmitting sound to the exterior may be formed separately from the valve and the diaphragm and valve may be arranged coaxially in a single aperture in the face-piece of the respirator so as to lie directly in front of the user's mouth. The diaphragm and the passage or passages leading to a point in front of the user's mouth are arranged to provide efficient transmission of high speech frequencies. Specification 539,933, [Group XXXIX], is referred to.
Patent GB-258778-A (GB)
Title: An improved food cover which is also adapted for use as a sieve, strainer or steam cooker
IPC: A47J43/22
Filed: 1926-02-08
Abstract: 258,778. Neighbauer, M. Feb. 8, 1926. Covers for dishes and the like.-A food cover which is also adapted for use as a sieve, strainer or steam cooker comprises a perforated hoop or band 1 preferably of sheet metal, the upper edge being flared at 2 to receive the lower edge of a similar superposed cover, a screen 4 secured to the lower edge of the hoop 1 by a bead which extends inwardly adjacent to the screen 4 to form a support therefor, crossed braces 5 and a suspension ring 3.
Patent GB-130652-A (GB)
Title: Improvements in the Construction of Cylinders for Light Internal Combustion Engines.
IPC: F02F1/10
Filed: 1918-03-01
Abstract: 130,652. Soc. Lorraine des Anciens Etablissements de Dietrich et Cie de Luneville. March 1, 1917, [Convention date]. Cylinders, construction of, and cooling. - A steel cylinder A with an end integral with it is provided with an aluminium head B. The head B has a steel base C which is united to it during casting, and, for this purpose, the base has a thinned extension D, with perforations for the aluminium to flow through du r i n g casting, and an edge K to which the sheet-iron jacket I is welded. The base fits the cylinder end and is secured by screwing into it steel bushes G, which form the valve seatings, and bv welding the edges E ,F; it may also be secured by screws, and the bushes G may be secured by pins H. The head B carries the valve-gear and a cover to enclose it.