baber/WOPTO huggingface dataset:
Patent GB-188883-A (GB)
Title: An improved potato planting machine
IPC: A01C9/04
Filed: 1921-10-10
Abstract: 188,883. Kynman, F. Oct. 10, 1921. Potato-planters. - A machine for delivering potatoes uniformly into two furrows simultaneously comprises a wheeled frame, two oppositely rotated flanged drums provided with fingers, a container above the frame, two shoots or spouts leading from the container to the drums, and two other spouts to receive the potatoes from the drums and deliver them into the furrows. The flanged drums B. B<1> are loosely mounted on a central longitudinal shaft b and are driven in opposite directions by the bevel and chain gearing shown. The chain gearing may be provided with a free-wheel clutch, and the bevel-wheel E may be thrown into and out of operation by moving its tubular shaft along the cross-shaft F by means of a wheel on the tubular shaft. The container K is carried by a frame L mounted on the main frame A, and is provided with plates k, k' sloping down to an arched or angled piece k<2> from which the potatoes pass to shoots M, M<1> on opposite sides of the machine. The shoots M, M<1> lead to the drums B, B<1> and are fitted with adjustable end pieces m having upwardly turned prongs m<2> from which the potatoes are lifted singly by curved fingers b<1>, b<2> on the drums B, B'. The potatoes are delivered by the drums into shields n, n<1> and pass into shoots N, N<1> bent outwardly so as to deposit them behind the ground wheels,. which have rounded treads. The machine is provided with a rear platform O, a seat P, and a depending member R, carrying curved covering blades S having semicircular openings s in their lower edges. According to the Provisional Specification, the covering blades are adjustable vertically, and the lower ends of the shoots leading to the flanged drums are fitted with spring flaps which may be opened automatically at intervals.
Patent GB-387753-A (GB)
Title: Improvements relating to telephone systems
IPC: H04Q3/00
Filed: 1931-09-25
Abstract: 387,753. Automatic exchange systems. SIEMENS BROS. & CO., Ltd., Caxton House, Tothill Street, and DIXON, R. G., 162, Westmount Road, Eltham Park, both in London. Sept. 25, 1931, No. 26788. [Class 40 (iv).] When a subscriber is called the polarity of the current flow over the -wanted line is automatically reversed, a uni-directional current device being connected in series with the subscriber's calling device to make it responsive to current flow in one direction only. The polarity is restored to normal when the called party replies. When the selector FS is seized, relay B (not shown) energizes and RO operates and locks. If the wanted line is found to be free, H pulls up, and locks over a winding not shown, and R is periodically energized and deenergized at a slow rate from earth at interrupter springs INT1. Relay R reverses the normal direction of current flow to the wanted line so that the bell B, connected in series with rectifier Rr, is rung. If the bell B is a single stroke bell the earth connection at r2 is interrupted by springs INT2, which are operated at a much faster rate than INT1, but if B is a trembler type bell the springs INT2 are not provided. On the reply of the called party, switch hook springs SH1, SH2 are operated and D energizes, releasing RO and R and restoring the normal direction of current flow. As the energizing circuit of RO is opened at offnormals ON, the relay cannot be re-energized until the switch has been restored to normal. Specification 305,730, [Class 40 (iv), Telephones &c.], is referred to.
Patent GB-482220-A (GB)
Title: Improvements in filing or storing trays
IPC: B42F17/02
Filed: 1936-10-03
Abstract: 482,220. Filing papers. HARRISON, C. B. Oct. 3, 1936, No. 26849. [Class 146 (i)] In a tray for use with loose-leaf bookkeeping systems, the leaves are clamped between a rib a<1> or equivalent inclined face inside the tray and a similar rib c<3> on an adjustable inclined sheet-supporting member c<2> so that they can be inspected without removal from the tray. The member c; is fixed to an angle plate c<1> carried by a block C threaded to engage an adjusting screw B situated in a recess in platforms a<9>, a<10> at the bottom of the tray and operated from the front thereof by a handle b<8> which may be permanently connected. Spaces are left between the edges of the platforms and the sides a<3> of the tray to receive rollers c<4> mounted in bearings on the member c<2>. A removable metal sheet D is provided for placing in the front of the set of leaves, and may be in one piece or, as shown, in two parts d<1>. d<2> hinged together with a pivoted catch d<3> which can be set to prevent the part d<1> from falling forwards. Lugs d<4> in its lower edge engage slots all, a<12> in depressions a<13>, a<14> formed in the platforms a2, a<10>. The surfaces of the platforms are preferably roughened to prevent slipping. of the leaves. The upper part a<4> of each side-wall a<3> is hinged so as to fall outwardly, and has quadrant arms a<5> fixed near its ends which enter holes a<6> in lugs a<7> connected to the front and rear walls a, a<1> of the tray. These arms limit the outward movement of the parts a<4> and brace the walls a, a<1> against the stresses set up by the clamping action. A cover E which can be secured by a lock c<2> is provided for enclosing the contents of the tray.
Patent GB-354093-A (GB)
Title: Process for the removal of calcium chloride liquor adhering to calcium hypochlorite
IPC: C01B11/06
Filed: 1930-09-11
Abstract: Calcium hypochlorite crystals are freed from adherent calcium chloride liquor without further addition of water by admixture of the requisite quantity of a finely divided alkali salt of an acid whose calcium salt is sparingly soluble or insoluble.  Anhydrous sodium sulphate or carbonate may, for instance, be used.  The hypochlorite employed may be that separated from calcium chloride liquor by centrifuging or hypochlorite which has been drained by pressing.  The treated product is dried.
Patent GB-788296-A (GB)
Title: Electrodeposition of titanium, zirconium, hafnium, vanadium, tantalum and niobium
IPC: C25C7/02
Filed: 1954-09-20
Abstract: A porous mass of titanium carbide, particularly shaped for use as an anode in the electrolytic production of titanium, having an apparent density of approximately half of that of the ordinary carbide, is produced by ball mill mixing a titanium oxide such as the dioxide having a particle size of not more than 20m  with graphite having a particle size of not more than 44m , and either (a) forming into rods, plates or coarse lumps a plastic mass resulting from the addition to this mixture of 1 to 2 per cent of methyl cellulose and water; or (b) heating the mixture to 1500-2000 DEG  C. at a pressure of 0.02 mm. Hg. to form titanium carbide, crushing the carbide to a particle size of not more than 40m  and adding 2 per cent of methyl cellulose and water to form a plastic mass which is made into the desired anode shape; followed by sintering the shaped plastic mass formed by (a) or (b) by heating to 2100-2200 DEG  C. at a pressure of 0.02 mm. Hg.  Porous carbides having half the density of the carbide crystal of hafnium, zirconium, vanadium, niobium and tantalum may be prepared in the same manner.ALSO:A porous mass of titanium carbide, particularly shaped for use as an anode in the electrolytic production of titanium, having an apparent density of approximately half of that of the ordinary carbide, is produced by ball mill mixing a titanium oxide such as the dioxide having a particle size of not more than 20m  with graphite having a particle size of not more than 44m , and either (a) forming into rods, plates, or coarse lumps, a plastic mass resulting from the addition to this mixture of 1 to 2 per cent of methyl cellulose and water or ,b) heating the mixture to 1500-2000 DEG C. at a pressure of 0.02 mm.  Hg to form titanium carbide, crushing the carbide to a particle size of not more than 40m and adding 2 per cent of methyl cellulose and water to form a plastic mass which is made into the desired anode shape; followed by sintering the shaped plastic mass formed by (a) or (b) by heating to 2100-2200 DEG C. at a pressure of 0.02 mm. Hg.  Porous carbides having half the density of the carbide crystal of hafnium, zirconium, vanadium, niobium and tantalum may be prepared in the same manner.
Patent GB-1491163-A (GB)
Title: Pulse generators for use with electronic fuel injectors and their applications
IPC: H03K3/284
Filed: 1975-06-26
Abstract: 1491163 Generating quotients NISSAN MOTOR CO Ltd 26 June 1975 [26 June 1974] 27175/75 Heading G4G [Also in Divisions G2-G3 and H3-H5] A pulse generator 10, on receiving a trigger pulse at terminal 11, produces an output pulse at terminal 14 of width proportional to E 1 /E 3 , where E 1  and E 3  are control voltages applied to terminals 12 and 13 respectively. Transistor T 1  is normally off, and T 2  on, the capacitor C 1  being charged to E 1 . The current output of circuit 15 is independent of load and proportional to E 3 . When a negative trigger pulse is applied at 11 the transistors switch, C 1  discharges linearly via 15 at a rate proportional to E 3 , and when C 1  is discharged the transistors switch back to their normal states. As long as T 2  is off terminal 14 is at high potential, the resulting pulse consequently having width proportional to E 1 /E 3 .
Patent GB-817322-A (GB)
Title: Improvements in counting mechanisms
Inventor: ROBINSON SYDNEY
IPC: H03K21/08
Filed: 1954-09-20
Abstract: 817,322. Electronic counting apparatus. JACKSON, S. W., ROBINSON, S., and HOWDEN, J. M. [trading as BRITISH NORTHERN ELECTRICAL APPLIANCES]. Sept. 20, 1955 [Sept. 20, 1954], No. 27209/54. Class 106 (1). To print a record of the total indicated by one or more multicathode counting tubes 1, a series of pulses from a pulse generator 8 drives the counting tubes and printing mechanism through one complete cycle (the printing characters moving in reverse direction) and as the glow in each counting tube passes through zero the output pulse obtained causes the numeral presented at the printing mechanism at that instant to be printed. The drum 3 bearing the type 4 may be stepped on by a solenoid-operated ratchet devide 7. The pulses to be counted which appear at terminal 9 may be switched over to a second counter while a record of the first count is being printed. Specification 813,258 is referred to.
Patent GB-1404542-A (GB)
Title: Method of coating articles with synthetic plastics
IPC: B05D1/24
Filed: 1973-06-07
Abstract: 1404542 Smoothing fritted plastics coatings METALLGFSELLSCRAFT AG 7 June 1973 27301/73 Heading B2E A method of providing an article with a synthetic thermoplastic plastics coating comprising heating the article and fritting thereon a plastics powder by powder fusion to provide a rough plastics coating which is smoothed by immersing the coated article in a liquid heated above the temperature of the melting point of the plasics but unreactive towards the plastics, wherein the unreactive liquid is a high-molecular weight hydrocarbon traction which has been submitted to treatement with sulphuric acid and/or fuller's earth, and optionally hydrogenating refining, and which has a viscosity of 140‹C exceeding 10 centistrokes. Preferably the article is dropped through a column comprising the hot oil supported by cooling water, the water being weakly alkaline and/or containing detergent. The articles may be made of iron and fritting may occur in a fluidised bed. In examples coatings of polyamide p.v.c. (meltin range 170 to 200‹C), or polyester derived from diolterephthalic acid are applied.
Patent GB-659040-A (GB)
Title: Improvements in or relating to elastic fluid rotary apparatus, such as gas turbine power plant apparatus
IPC: F02C3/06
Filed: 1949-10-25
Abstract: 659,040. Gas turbine plant; axial-flow compressors. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Oct. 25, 1949, No. 27394. Convention date, Nov. 26, 1948. [Classes 110(i) and 110(iii)] The rotor assembly is journalled on a pair of spaced bearings and includes a number of abutting discs having central openings forming an axially disposed chamber for receiving one of the bearings, whereby the rotor assembly overhangs the latter bearing. A jet propulsion or gas turbine engine comprises axial-flow compressor rotor discs 35-45, joined together by interlocking radial teeth a and stay rods 50 and connected at a flange 57 to a tubular shaft 23. The shaft 23, which may comprise a number of cylindrical sections bolted together at annular flanges, is attached by way of a frusto-conical drum 68 and tie bolts 69 to turbine rotor discs 22. The rear bearing 30 is supported by radial struts 31. Compressor discs 35, 36, 37.are apertured, as shown, to accommodate the front bearing 27 and its housing 77. A flange 79 supports the housing 77. A member 48, bolted to the disc 37, has forwardly extending portion 76 which is journalled in the bearing 27. Gear teeth 82 are formed on the portion 76 for the purpose of driving a lubricant pump 81 or other auxiliary device.
Patent GB-822194-A (GB)
Title: Liquid fuel pumps for internal combustion engines
Inventor: KEMP KENNETH ALBERT WALTERS
IPC: F02M41/14
Filed: 1956-09-07
Abstract: 822,194. Fuel injection pumps. C.A.V. Ltd. Aug. 30, 1957 [Sept. 7, 1956 ; Feb. 20, 1957], Nos. 27411/56 and 5711/57. Class 102(1). A fuel injection pump having a feed pump b with relief valve e feeding the injection pump through a manually controlled throttle s, and having a rotary distribution n, comprises a rotary cylinder block g carrying pistons i which are actuated by a cam m which is angularly adjustable. The cam has an arm v which engages a plunger x in a cylinder y, loaded by a spring 5 and operating as a dash pot such that when the piston rollers k engage the cam m the cam is rotated by the rollers to a greater or lesser angular extent, depending on the filling of the cylinder h and is advanced by the spring 5 after each injection. Two modifications are described in which the piston x is slidable in a cylinder which is slidable in the cylinder y and subjected at one end to the outlet pressure of the feed pump b.
Patent GB-821782-A (GB)
Title: A method of making sand cores or other sand mould parts for metal casting
IPC: B22C1/16
Filed: 1957-08-30
Abstract: 821,782. Mould materials. MO OCH DOMSJO A.B. Aug. 30, 1957 [Sept. 24, 1956], No. 27433/57. Class 83 (1). A method of making sand cores or moulds comprises adding to sand a binder consisting of a core-oil and an hydroxyethylated cellulose together with a minor amount of a substance showing an alkaline reaction such as sodium metasilicate. The cellulose may be ethylhydroxyethylcellulose and the pH value of the mix at least 7.5. Other alkaline substances which can be added are ammonia, sodium or potassium hydroxide or carbonate, or monoethanol-, triethanol-, or methyl-amine, or pyridine. The core-oil may be tall oil or linseed oil and the cores baked at 200‹ C. Resin binders may also be added.
Patent GB-152015-A (GB)
Title: Rear suspension device for motor vehicles
Inventor: MARIUS JEAN BAPTISTE BARBAROU
IPC: B60G11/08
Filed: 1920-09-27
Abstract: 152,015. Barbarou, M. J. B. Oct. 6, 1919, [Convention date]. Laminar springs.-For use in a spring suspension for vehicles, a pair of quarter-elliptic springs 4, 6 have their inner ends secured to a member 3 adapted to be pivoted to the vehicle frame. The ends of the upper and lower springs are displaced laterally with respect to each other to facilitate their connexion to the member 3.
Patent GB-152018-A (GB)
Title: Improvements in ball bearings
IPC: F16C19/56
Filed: 1920-09-27
Abstract: 152,018. Barbarou, M. J. B. Oct. 6, 1919, [Convention date]. Ball bearings. -- In a ball bearing adapted to take axial and journal load and comprising two sets of balls 5, 6 of different diameters, the centres of the balls of both sets being at the same distance from the axis, a single cylindrical sheet-metal cage 4 holds the balls in position. The outer race-ring 1 has grooves directed outwardly, while the two inner rings 2, 3 have grooves directed inwardly.
Patent GB-197260-A (GB)
Title: Improvements in ink
IPC: C09D11/06
Filed: 1922-10-10
Abstract: 197,260. White, A. E., (Dick Co., A. B.). Oct. 10, 1922. Ink. - Ink for use in stencil duplicating- machines contains as vehicle a mixture of a sulphonated oil, such as Turkey red oil, and a vegetable oil, such as resin oil, in substantially equal proportions. Small proportions of soap, or the saponified oil known as green soap, dissolved in water, and of aluminium phosphate, may be added.
Patent GB-646329-A (GB)
Title: Stitch-forming mechanism for sewing machines
IPC: D05B3/06
Filed: 1948-10-22
Abstract: 646,329. Sewing - machines. FAIR - WEATHER, W. C. (Singer Manufacturing Co.). Oct. 22. 1948, No. 27504. [Class 112] Loop-stitching.- In buttonhole stitching mechanism similar to that described in Specifications 179,278, [Class 112], and 617,036, comprising an eyed needle, two loopers such as 26 and two loop-retainers 28, 29. the loop-retainers are arranged and actuated so that they do not shed a loop until the next loop has been engaged by the appropriate looper; this improves stitch-forming, and in addition prevents lifting of the work by the needle, which otherwise occurs with some materials and results in missed stitches owing to consequent prevention of formation of needle loops. As in the previous arrangements the loopers are oscillated by connection to a sleeve 41 reciprocated by a sliding member 43 connected by a link 45 to a crank 46 on a shaft which is geared to a pinion 49 driven intermittently through a starwheel 51 from the main under-shaft 32, and the loop-retainers are actuated by a similar sleeve 64; in the present arrangement the sleeve 64 is reciprocated by similar mechanism to that actuating the loopers, from a second shaft similarly geared to the pinion 49.
Patent GB-806632-A (GB)
Title: Manufacture of terephthalic acid and potassium salt thereof
Inventor: THOMAS EDWARD BOADEN
IPC: C07C51/41
Filed: 1954-09-23
Abstract: Di-potassium terephthalate is prepared by heating di-potassium phthalate at temperatures between 300 DEG  and 330 DEG  C. in an inert atmosphere in the presence of an inert high boiling organic liquid or a salt or a mixture of salts which ensures fluidity of the contents of the reaction vessel at the temperature employed. Inert organic liquids mentioned are diphenyl or diphenyl ether or mixtures thereof or dimethyl phthalate.  The salts which may be used are alkali-metal acetates or di-lithium or di-sodium phthalates or mixtures thereof.  Inert gases mentioned are nitrogen and carbon dioxide and mixtures thereof.  Inert materials such as metal turnings may also be present in the reaction mixture.  The potassium phthalate may be replaced by a mixture of phthalic acid and potassium carbonate.  Terephthalic acid may be isolated by cooling the reaction mixture, dissolving the solid product obtained in water, filtering the solution and acidifying the filtrate with an inorganic acid to precipitate terephthalic acid or a mixture thereof with phthalic acid.  Phthalic acid may be removed from the mixture by treatment with boiling water.  In examples, terephthalic acid is obtained from di-potassium terephthalate prepared by heating the following mixtures with stirring under pressure of carbon dioxide: (1) and (2) di-potassium and di-lithium phthalates; and (3) di-potassium, di-lithium and di-sodium phthalates.  In the Provisional Specification, di-potassium phthalate is heated under conditions which ensure fluidity of the contents of the reaction vessel at temperatures up to 450 DEG  C.  The salts used to attain fluidity also include lithium and potassium chlorides.
Patent GB-1106595-A (GB)
Title: Gas turbine jet propulsion engine provided with rotatable exhaust nozzles
Inventor: COLVILLE FRANCIS JEFFREY
IPC: B64C29/00
Filed: 1966-06-21
Abstract: 1,106,595. Jet propelled aircraft. ROLLSROYCE Ltd. 21 June, 1966, No. 27575/66. Heading B7G. [Also in Division F1] An aircraft has a gas turbine jet propulsion engine 10 provided with rotatable exhaust nozzles 14, 15, 16, 17, each having an arcuate axis 19 or 29 and a cross-section which changes in a downstream direction from a circular inlet 25 to an outlet which narrows to define a number of external channels or at least one internal passage, whereby in flight, ambient air flows through the channels or passages to mix with the engine's exhaust gases to provide a degree of silencing. The nozzles are designed so that in forward flight the concave side of each nozzle conforms to the configuration of the aircraft's fuselage 12. The channels on the exterior of the nozzles may be formed by gradually reducing the cross-section to a multipetal configuration, Fig. 2 (not shown), and each " petal " may constitute a separate exhaust gas tube, Fig. 3 (not shown). If a passage or passages are provided it, or they, may be in the form of open-ended separate tubes passing through the nozzle so as to reduce the outlet area thereof, Figs. 5 and 6 (not shown). In an alternative arrangement the single engine is replaced by a plurality of transversely mounted engines each having one rotatable nozzle.
Patent GB-1237868-A (GB)
Title: Antistatic finish
Inventor: BURNS JOHN
IPC: D06M15/595
Filed: 1967-10-10
Abstract: 1,237,868. Treating textiles. COURTLANDS Ltd. 9 Oct., 1968 [10 Oct., 1967; 11 June, 1968], Nos. 46287/67 and 27618/68. Heading D1P. [Also in Division C3] An antistatic finishing composition for fibres comprises an aqueous soln. of an ethoxylated polyamide (I), which contains at least 60% by wt. of ethylene oxide units and a crosslinking agent for I, e.g.. formaldehyde or dimethylol cyclic ethyleneurea or dimethylol cyclic propyleneurea. I may be derived from a homopolyamide, e.g. polycaproamide, or a copolyamide, e.g. of caproamide and hexamethyleneadipamide. The cross-linking agent is preferably reacted with I to such an extent that the product is still water soluble and retains reactive groups capable of cross-linking the product. The composition may also contain an acid catalyst for the reaction of I, e.g. magnesium hydrogen phosphate. The treated fibres may be dried at temperatures up to 100‹C, e.g. 85‹C. Examples relate to the treatment of fabrics of acrylic fibres, nylon, polyethylene terephthalate and cellulose triacetate. The treated fabrics retained their antistatic properties after repeated washing.
Patent GB-700014-A (GB)
Title: Improvements in switching arrangements for controlling low pressure electric discharge lamps
IPC: H01H13/64
Filed: 1950-11-13
Abstract: 700,014. Hand actuating devices for switches. BRITISH THOMSON-HOUSTON CO., Ltd., and MILLS, R. V. Oct. 18, 1951 [Nov. 13, 1950], No. 27681/50. Class 38(5) [Also in Group XXXV] A manual switching arrangement for controlling the supply and electrode preheating circuits of a discharge lamp comprises a tandem assembly of two separate respective push button switches 3, 6 so arranged that the push button of only one is accessible for operation and depression thereof actuates both in a predetermined sequence. As shown, the switch 3 is mounted on a resilient member 10 secured to the fixing brackets 11 of switch 6, which latter may be a " micro-switch ". The switch 3 is of the " push-on ", " push-off " type and requires greater operating pressure than switch 6 which is of the type wherein depression and release of its push button 7 respectively makes and breaks its contacts. This arrangement provides that depression of button 8 initially moves switch 3 to close switch 6, followed by closure of switch 3. Release of button 8 opens switch 6 only. Further depression and release of button 8 recloses switch 6 and then opens both switches to the rest position. In modifications the physical positions of the switches may be reversed, or the resiliently mounted switch may alternatively be slidably mounted between guides.