baber/WOPTO huggingface dataset:
Patent GB-761725-A (GB)
Title: Improvements in or relating to continuous forging
IPC: B21C23/20
Filed: 1954-09-20
Abstract: 761,725. Forging; extruding. SOC. ANON. LES FORGES DE ZEEBRUGGE. Sept. 20, 1954 [Sept. 19, 1953], No. 27223/54. Class 83 (4). A method of forging hollow metal articles, comprises inserting a billet A into a confining bore 11 of an enclosure member 1, with which bore the billet has a sliding fit progressively moving the billet out of the bore and subjecting the outgoing part of the billet to repeated blows or pressure by a punch 3 acting in the axial direction of the billet. The enclosure 1 is carried by a vertically movable table 5 connected by rods 7 to pistons 8 working in oil or water pressure cylinders 9. The billet A rests on a plunger 2 connected to a piston 13 working in an hydraulic cylinder 14. The enclosure member may carry a die 4 for determining the outside shape of the hollow article. In operation the billet is raised continuously or preferably in steps out of the bore 11 and is pierced by hammer blows from the punch which is actuated mechanically. Preferably the blows are struck between successive movements of the billet. Backward extrusion may take place during this operation. The table is subsequently lowered, whilst the plunger remains in its raised position by exhausting pressure liquid from under the pistons 8, and, if necessary, admitting liquid above these pistons. This removes the hollow article from the die. In another embodiment, Fig. 4, the die is omitted and the billet end of the billet A emerging from the enclosure 1 is struck repeated blows by the punch 3.
Patent GB-243326-A (GB)
Title: Method of regulating electrical power plants to a constant power factor
IPC: H02P9/14
Filed: 1925-10-29
Abstract: 243,326. Maschinenfabrik Oerlikon. Nov. 22, 1924, [Convention date]. Regulation, automatic. - Synchronous condensers, induction regulators, phase compulsators &c. are operated to maintain constancy of power factor, in alternating current systems by a method in which the reactions of two coils fed by voltages at a relatively fixed phase angle and derived from the supply circuit against coils fed by the supply current are normally balanced. Alternatively two coils carrying derived currents similarly displaced may act against coils fed by the supply volts. The phase of the currents in the balanced coils may be adjusted in relation to the supply voltage or current respectively to set the apparatus to regulate to any given power factor. The movements of the apparatus may control a regulator through any desired means for example the regulator may be operated through a servo-motor controlled by the movements of a balance beam. The Figure shows a balance beam W carrying coils E1, E2 fed by voltages mutually displaced by 120‹ derived from the supply mains I, II, III by an induction regulator K, whereby the phase displacement of both relative to the supply voltage may be simultaneously adjusted to the required angle. The same result may be obtained by a suitable arrangement of tapped transformers. 'With single, phase circuits an " artificial phase " is employed. The coils E1, E2 are arranged in the air gaps of magnets M1, M2 wound with coils S1, S2 in series relationship with the supply circuit. The regulator operates independently of fluctuations in the supply voltage and current or of reversal of the latter. According to the Specification as open to inspection under Sect. 91 (3) (a) both voltage coils may be placed in the air gap of a single magnet and in a further modification Fig. 2 (Cancelled) a coil E is kept normally in equilibrium between two coils P1, P2. This subject-matter does not appear in the Specification as accepted.
Patent GB-657593-A (GB)
Title: Improvements in power-propelled hand trucks
Inventor: SEARLS EDWARD CHARLES
IPC: B62D51/00
Filed: 1948-10-20
Abstract: 657,593. Power-propelled hand trucks. WINGET, Ltd. Oct. 20, 1948, No. 27268. [Classes 79 (iii), 79 (iv) and 79 (v)] [Also in Group XXXII] A power-propelled hand truck comprises a horizontal A-shaped frame supported by wheels arranged in the form of a triangle, an engine mounted above and driving the apex wheel, a steering device, a clutch between the engine and apex wheel and clutch control mechanism operable by rocking movement of the steering device against the action of a spring to engage the clutch. The rocking movement of the steering device may also release a brake. As shown the invention is applied to a tipper truck. A V- shaped frame member 1 carries one wheel on each arm and has a rounded apex which by means of an arcuate cross-piece 9 forms a bearing for an annular collar 8. To the collar 8 is secured brackets 11 for an axle 10 carrying two road wheels 4a. The wheels 4a may be arranged for independent rotation of 360 degrees when the wheels are locked together by stops. The wheels 4a may be replaced by a single wheel. Secured to the collar 8 is a framework 7 housing the engine 6. The engine drives the axle 10 through an epicyclic gear 25 and a sprocket and chain drive or other speed reducing means. The powered wheel unit is rotated for steering purposes by either an arm, handle, lever or as shown by a wheel 12. The wheel 12 is pivoted on the framework 7 about a diameter, tipping of wheel controlling, braking, accelerating and declutching of the unit. With the wheel 12 in the position shown in Fig. 5, it being normally maintained in this position by the spring 13, the wheel brake is on and a brake band 24 on the epicyclic gear 25, forming the clutch, is released. Tipping of the wheel 12 in the direction of the arrow B causes through a rod 14, an arm 15, an arm 17, both arms being secured to a pivot shaft 16, a rod 18 and a brake actuating lever 19 release of the wheel brake. The arm 17 is formed with a cam 20 engaged by a follower 21 on a pivoted arm 22 and this tipping of the wheel 12 accordingly causes the brake band 24 to be tightened and the drive to be transmitted from the engine. Connected to the wheel 12 is a connector 28 which is connected to an arm 29 pivoted on the framework 7. This tipping movement of the wheel 12 causes through the connector 28 the arm 29 to move in an anticlockwise direction and releases a projection 301 from a bell-crank lever 32 which is then moved by a spring-pressed plunger 31 to open the engine throttle through a link 33. When the steering of the truck is effected by a handle, raising of the handle effects clutch engagement. As shown the truck incorparates a tipper 5 (see Group XXXII) but the tipper may be replaced by a flat carrier, a concrete mixer &c. Specification 529,814 is referred to.
Patent GB-1316210-A (GB)
Title: Process for the preparation and the checking of a photographic negative intended to be mounted on a sensitised printing cylinder and means for the application of this process
IPC: G03F9/00
Filed: 1971-04-19
Abstract: 1316210 Optical alignment device R J J BASSEREAU 19 April 1971 [30 April 1970] 27290/71 Heading G2J The invention relates to checking the parallelism of the mating edges of a photographic negative used in a photogravure process. A substantially rectangular negative ABCD is located on a vertical plate glass sheet 3 in a frame 17, Fig. 3. A pair of projection lenses 8, 10 are fixed to supports 24, 25 connected to slides 21, 22 movable along the horizontal upper and lower parallel member 17", 17' of frame 17. The slides 21, 22 are also vertically adjustable and also carrying pivotal plates on which are mounted, on the opposite side of the glass sheet 3, light sources for the lenses 8, 10. The slides are moved with lens 8 in operation to establish upper side AB of the negative as being substantially parallel to member 17". With the slides then adjacent one end, e.g. BC of the negative both projectors are operated and corresponding points at the edges AB, CD are imaged on a screen. Movement of the light source brings the image into coincidence. The slides are then moved along their respective members 17", 17'. If the negative edges AB, CD are not parallel their image points will not coincide. The negative edges may then be touched up. As a further check marks 13, 14, Fig. 2, are made in the extension of edges AB, DC which if the edges are parallel should also be coincident. The proposed edges may be delineated by marks 11, 12.
Patent GB-478386-A (GB)
Title: Improvements in or relating to the manufacture and use of catalysts for hydrogenation and like processes
IPC: C07C45/62
Filed: 1936-10-08
Abstract: In the preparation of catalysts comprising finely divided metallic nickel suspended in an inert liquid such as mineral oil, a reducible nickel compound precipitated in an aqueous medium is ground in a colloid mill with an excess of precipitating agent. The mass is repeated filtered, diluted with water, and repassed through the colloid mill until free from all traces of water-soluble salt.  The reduction to the metallic state is preferably effected after the precipitate has been dried and dispersed in the inert medium.  The nickel is preferably precipitated from an aqueous solution of a soluble salt by means of alkaline carbonate.  Additional substances may be mixed with the nickel compound, e.g. copper hydroxide or basic carbonate for facilitating the reduction of the nickel, or aluminium or magnesium hydroxide for retarding the growth of crystals of the precipitated nickel compound.  After reduction, the product may be re-ground in a paint mill.  The catalysts are particularly useful for the hydrogenation of crotonaldehyde to butyraldehyde and butyl alcohol.
Patent GB-1525347-A (GB)
Title: Method of obtaining urokinase
IPC: C12N9/72
Filed: 1976-07-01
Abstract: 1525347 Urokinase ASAHI KASEI KOGYO KK 1 July 1976 [4 July 1975] 27431/76 Heading C3H A method of obtaining urokinase from human urine comprises contacting human urine with an acrylonitrile polymer defined as polyacrylonitrile or a copolymer containing at least 30% by weight of acrylonitrile of a porous structure having a porosity of not less than 10% and a specific surface area of not less than 5 m.<SP>2</SP>/g. to adsorb urokinase on to said acrylonitrile, said porous structure having been formed during polymerization of the acrylonitrile polymer, and subsequently eluting the urokinase from said acrylonitrile having the urokinase adsorbed thereon. The acrylonitrile polymer may be in the form of a powder or fibre or alternatively may be coated on to a support, e.g. glass beads, polystyrene beads, cellulose or glass fibre specific acrylonitrile polymers that may be used are polyacrylonitrile, and copolymers of acrylonitrile with methyl acrylate, acrylamide, acrylic acid, a mixture of methyl acrylate and 2-vinylpyridine.
Patent GB-519334-A (GB)
Title: Improvements in or relating to electric condensers
Filed: 1938-09-20
Abstract: 519,334. Condensers. DUBILIER CONDENSER CO (1925), Ltd., and COURSEY, P. R. Sept. 20, 1938, No. 27454. [Class 37] A condenser of substantially constant capacity but with a variable capacitytemperature coefficient comprises two relatively movable dielectric sheets each with an elec trode layer on each face, the layers being out of registration The dielectric sheets are of materials having different or opposite capacity temperature charac teristics. In the example shown dissected, a disc C with staggered 120 degrees electrode layers D, D, is rotatable on a base A having similar layers B, B1, the under layer B lying in a circular recess. Electrodes D, B, are in metallic contact through rings B<3>, D<4> and electrodes B, D<1> are connected through the pivot bolt E. The plates are pressed together by a spider spring F.
Patent GB-1475117-A (GB)
Title: Electrocardiographic r-wave detector
IPC: A61B5/352
Filed: 1974-06-21
Abstract: 1475117 Detecting "R" waves VSES NI I ISPYTATEL INST MEDITSIN TEKHNIKI USSR 21 June 1974 27529/74 Heading G1N (E) In an apparatus for detecting "R" wave signals, the ECG signals from the patient are passed via a band pass filter 1 and a full wave rectifier 2 to a comparator 7. The comparator 7 also receives an automatically adjusting threshold signal by means of a variable automatic amplitude limiter 3, a peak detector 4, am amplifier 5 and a potentiometer 6, connected as shown. The pulse outputs of the comparison circuit 7 drives a arc shot multivibrator 8. The amplitude limiter 3 limits the amplitude of the signal that it passes in dependence upon a feedback loop comprising the peak detector 4 and an amplifier. Thus steadily increasing peak amplitudes will produce a steadily increasing threshold voltage. However if the large amplitude signals decrease, a subsequent small amplitude signal may be undetected, so, in a modification, Fig. 2, a sawtooth voltage generator 9, a voltage discriminator 10 and a diode 11 are connected as shown. Under normal conditions the voltage reached in'the sawtooth generator never reaches the threshold voltage of the voltage discriminator 10 since it is designed to be discharged by a pulse from the arc shot multi-vibrator. If no such multivibrator pulse occurs, the threshold voltage of the voltage discriminator is passed by the signal from the sawtooth generator. This causes a capacitor at the output of the amplitude detector to be discharged, thereby bringing down the adjustable theshold voltage to a value capable of coping with small amplitude pulses once again.
Patent GB-677086-A (GB)
Title: Process and composition for preserving wood
IPC: B27K3/12
Filed: 1949-10-28
Abstract: 677,086. Pesticidal gel. OSMOSE WOOD PRESERVING CO. OF AMERICA, Inc. Oct. 28, 1949 [Jan. 11, 1949], No. 27744/49. Class 81 (i). [Also in Group VIII] A thixotropic composition for preserving wood comprises a non-aqueous gel structure composed of a crude liquid hydrocarbon or a mixture of crude liquid hydrocarbons at least a portion of which is volatile and a gel forming agent selected from the saturated and unsaturated fatty acids which contain from 8 to 18 carbon atoms and the metal salts of such acids, said gel structure having dispersed therein a finely divided, stable, water-soluble mycocide wood preservative and a solid, inert filler material. The composition may be applied by brushing or spraying to decorticated green wood or to seasoned wood which has been moistened to allow osmotic diffusion. The hydrocarbon or mixture of hydrocarbons may be liquid coal tar fractions, petroleum and petroleum fractions which are liquid, petroleum naphtha, or a semi solid pitch, bitumen asphalt or coal tar pitch which is rendered fluid by heating or by diluting with coal tar or petroleum naphtha. The dispersed phase may be the aluminium, magnesium or zinc salt of stearic, oleic or lauric acid. The dispersed phase and the dispersion medium are selected so that they are miscible above 20‹ C., but have only a limited solubility at room temperature, and the amount of the dispersed phase should be such that its solubility in the dispersion medium is exceeded at room temperature, whereupon the dispersed material is thrown out in the form of fine particles resulting in a thixotropic gel. The mycocide composition may be inorganic such as the soluble fluorides of sodium, potassium and ammonium, zinc chloride, copper sulphate, mercuric chloride, the soluble arsenates, chromates, bichromates, chromated zinc chloride or zinc silicofluoride in addition to, or in lieu of which there may be used dinitrophenol, dinitrocresol, trinitrophenol or parachorphenol. The insoluble fibres may be rayon, wood or cotton fibres, asbestos fibres, mineral wool or glass fibre waste and should be very short, e.g. below # inch. Inert fillers such as bentonite clay, diatomaceous earth, coal dust or sand may be added.
Patent GB-948017-A (GB)
Title: Improvements in or relating to electric cables including thermo-couple cable
Inventor: THORNE ANTHONY CHARLES
IPC: H02G15/18
Filed: 1961-08-01
Abstract: 948,017. Cable joints and terminations. SPEMBLY Ltd. July 17, 1962 [Aug. 1, 1961], No. 27788/61. Heading H2E. A cable termination has the exposed wires insulated by forming a threaded plastics member around the cable end by a moulding process. In one embodiment (Fig. 3), a welded joint is effected between two sets of cable cores and the joint is supported and insulated by moulding a plastics member 15 to enclose both cable ends. The exposed wires in each case are initially covered with loose insulating sleeves which are subsequently displaced in the mould by introduction of the plastics material.
Patent GB-195673-A (GB)
Title: Improvements in or relating to talking-machines or like apparatus
IPC: G11B19/265
Filed: 1922-07-03
Abstract: 195,673. Billing, N. Pemberton-. July 3, 1922. Actuated by speed regulators. - Relates to gramophones of the kind in which constant linear speed of the sound track of disc records is obtained by an attachment comprising a driven friction wheel engaging the top surface of the record close to the stylus, and a centrifugal governor geared to the friction wheel. According to the invention, the friction wheel is traversed along a straight line passing through the centre of the record. In the construction shown, the friction wheel 41 and the governor are carried by the sound-box 40 which is mounted on a telescopic tone-arm extending diametrically across the record. The governor comprises a disc 46 fitted with friction weights 47 adapted to engage the inner surface of a surrounding drum 42. The weights are pressed outwards by an adjustable spring 49 and by centrifugal action.
Patent GB-264614-A (GB)
Title: Improvements in or relating to pumps suitable for use with surface condensers and de-aerators
IPC: F04D9/02
Filed: 1925-11-05
Abstract: 264,614. Pulsometer Engineering Co., Ltd., and Bj÷rnstad, J. Nov. 5,1925. Casings.-To prevent the absorption of air by water whilst passing through an extraction pump delivering water from a surface condenser or water de-aerator to a boiler feed pump the pump casing is provided with a water chamber 13 in restricted communication with the impeller chamber 11 through a bearing bush hole 19 in the dividing wall 14 between the two chambers and wherein a small impeller 20 rotates to prevent reaching the hole 19 in the dividing wall. The water chamber 13 at its upper portion has a connection to a hot well. The bearing 8 at the other end of the casing is totally enclosed, and a flow of water therethrough is obtained by a duct between the flanges forming the joint of the casing- halves which leads from the pump delivery chamber 12 to the outer 17 end of the bearing, the inner end opening to a balancing chamber 16 which has a connection 24 with the impeller chamber 11.
Patent GB-925482-A (GB)
Title: Fuel supply apparatus for internal combustion engines
Inventor: SKELLERN JOHN
IPC: F02C9/36
Filed: 1960-08-12
Abstract: 925,482. Engine stop-gear. D. NAPIER & SON Ltd. Aug. 4, 1961 [Aug. 12, 1960], No. 28061/60. Class 122 (4). [Also in Group XXIX] A fuel dump valve 6 leading from a conduit 2 connecting a fuel pump 1 and metering system 3, e.g. as described in Specification 925,482, with a gas turbine or other, e.g. petrol or Diesel, engine is opened to stop the supply of fuel to the engine on the occurrence of rotational acceleration greater than a predetermined amount by a servopiston 8 under the control of a pilot valve constituted by an engine-driven shaft 20 carrying a casing 22 by which is driven, through springs 26, a flywheel 23 rotatable on the shaft and having passages 28 which vent the left-hand side of the servo-piston when they come into register with holes 27 in the shaft 20. In the case of a gas turbine, a restriction 12 by which the left-hand side of the servo-piston is fed is so sized that the dump valve will not reclose, on closure of the pilot valve after cessation of an excessive acceleration, before the burner flame has become extinguished. The dump valve has a manual control 7.
Patent GB-488600-A (GB)
Title: Improvements relating to chairs, seats and the like
IPC: A47C1/032
Filed: 1937-01-16
Abstract: 488,600. Seat cushions. WINTERBOTHAM, A. H. W. H. Jan. 16, 1937, No. 28175. Divided out of 479,868. [Class 52 (iv)] The loose back cushion 11 of a seat is suspended by means of a strip of material 14 running from the cushion over the back rail 4 and carrying at its lower end a cross member 15 which is detachably secured, e.g. in slots 16, at or near the bottom of the back. The back cushion may be supported by bands of flexible material 13 which extend from the top rail 4 and run under a resiliently supported seat cushion 5 as described in Specification 479,868, and the strip 14 then encloses and conceals the supporting strips 13.
Patent GB-1510679-A (GB)
Title: Articulated joints for articulation of rods
IPC: B60S1/24
Filed: 1975-07-04
Abstract: 1510679 Pivotal connections FABBRICA ITALIANA MAGNETI MARELLI SpA 4 July 1975 [15 July 1974] 28178/75 Heading E2F A pivotal connection (particularly for connecting rods in a windscreen wiper assembly) comprises two plastics components: a bush 4 adapted to be inserted in an aperture 2, restrained against axial movement between flange 7 and projections 6 and against rotation by a finger 8, and a pin P adapted to locate in the bush and having a groove P' engaged by an edge 4' of the bush; both bush and pin having axially. extending slots 10, 11 at their insertion ends. Both components can be readily removed and the projections 6 are only formed on alternate sections 4b defined by slots 10.
Patent GB-940182-A (GB)
Title: Process for the preparation of alkyl aluminium compounds
Inventor: ATWOOD MARK TREVOR
IPC: C07F5/06
Filed: 1962-07-23
Abstract: An alkyl aluminium growth product containing C2 to C30 alkyl groups in a statistical distribution characterised by the Poisson relationship is subjected to continuous distillation at a temperature between 0 and 200 DEG C., a pressure between 1 micron and 5mm Hg and a contact time between 0.001 and 2 seconds, alkyl aluminium fractions containing a non-statistical distribution of alkyl groups being recovered. The lower alkyl group compounds are in the overhead fraction, and this may be returned to the growth reactor and grown by reaction with further low molecular weight olefin (e.g. ethylene) to higher alkyl group compounds.
Patent GB-1236368-A (GB)
Title: Vtol aircraft
Inventor: RIKUS HANS
IPC: B64C29/00
Filed: 1969-06-04
Abstract: 1,236,368. V.T.O.L. aircraft. MESSERSCHMITT - BOLKOW - BLOHM G.m.b.H. 4. June, 1969 [5 June, 1968], No. 28233/69. Heading B7G. The root area of each wing 6 has an air duct 7, the outlet of which adjoins the exhaust duct 5 of a respective lift engine 3, a guide vane 10 being provided between the ducts. Duct 5 is divided into two branches 13, 14 (Fig. 2, not shown) by a jet divider (11), and terminates as a flat jet nozzle having a substantially greater dimension chordwise than spanwise of the wing. The engine inlet ducts 4 for both lift engines 3 can have a common entry, and flow-control doors 8, 9 respectively at the upper end of duct 7 and the adjacent outlets from ducts 5, 7 each pivot about an axis either parallel or perpendicular to the aircraft longitudinal axis.
Patent GB-728034-A (GB)
Title: Improvements in or relating to moulds and moulding presses, particularly for moulding artificial teeth
IPC: A61C13/20
Filed: 1953-10-14
Abstract: 728,034. Moulds for artificial teeth. MAITLAND, J. STEEL-. Oct. 14, 1953, No. 28281/53. Class 87 (2) A mould for use in moulding presses, e.g. for moulding artificial teeth, comprises two moulding sections 4, 5 having fluid circulating passages 15, 6 respectively with vertical inlet and outlet passages 13, 14 and 9, 10 in side lugs 12, 11 on the respective mould sections. The mould is placed between platens 16, 17 of which the platen 16 has a housing 21 having a stepped lower face, the steps 22, 23 being positioned over lugs 11, 12 respectively, so that L-shaped coupling members 24 may communicate with passages 13, 14 and 9, 10 in the respective mould sections. The members 24 move in vertical slots 28 so that, when press crossheads 18, 19 compress the platens, spring 32 holds the member 24 in tight engagement with passages 9, 10 and 13, 14. Several moulds each having its own platens 16, 17 and housing 21, may be used between the crossheads 18, 19, and heating and cooling by fluid means or heating by electrical means in conjunction with cooling by fluid means may be employed.