baber/WOPTO huggingface dataset:
Patent GB-871986-A (GB)
Title: Improvements in or relating to bridges for measuring and comparing electrical impedances
IPC: G01R27/02
Filed: 1960-04-27
Abstract: 871,986. Bridge circuits; impedance measurements. PHILIPS ELECTRICAL INDUSTRIES Ltd. April 27, 1960 [April 30, 1959], No. 14779/60. Class 37. In an impedancemeasuring bridge, two rectifiers D1, D2 are connected in series across the output diagonal AB of the bridge, and a branch including a detector G is connected at one end between rectifiers D1, D2' and at the other end to one input terminal of the bridge so that detector G indicates the sense of the correction to one of branches R1, R2, Z, Zx which is necessary to obtain balance. Detector G is preferably connected to a tapping E on a potentiometer P so that initial differences in the rectifier characteristics may be compensated.
Patent GB-1102029-A (GB)
Title: Improvements in or relating to insecticidal compositions
IPC: A01N63/28
Filed: 1965-04-07
Abstract: Insecticidal and insect sterilant compositions comprise as the active ingredient the antibiotic sparsomycin A.  The compositions may also comprise a solid or liquid carrier comprising an insect nutriment or food, and optionally an insect attractant may be included in the compositions.  Examples of suitable insect nutriments include carbohydrates, e.g. sugars (such as lactose, sucrose, fructose and glucose), starches, dextrins, pectins, corn meal, bran, pomace, corn syrup, honey and molasses; and proteins or degradation products thereof (such as egg albumen, meats, soybean oil meal, cottage cheese, proteoses, peptones, peptides and powdered milk or egg) and the insect attractant may be sec-butyl 6-methyl-3-cyclohexene-1-carboxylate, sec-butyl 4 (or 5)-chloro-6-methylcyclohexane-carboxylate, methyleugenol, 4-(p-acetoxyphenyl)-2-butanone or anisylacetone.  The compositions may also be in the form of dusts containing an inert dusting powder; aqueous spray formulations comprising a wetting agent and/or spreading agent, dispersing agent, sticker or adhesive; wettable powders containing a surfactant and a dusting powder; emulsifiable concentrates comprising a concentrated organic solution in a solvent, e.g. acetone, ethyl acetate dimethylformamide, dimethylacetamide, dimethyl sulphoxide, acetonitrile and cyclohexanone, and a surfactant; or aqueous or organic solutions, e.g. in methanol, ethanol, acetone or ethylene dichloride.  Harmful insect pests are combated by bringing sparsomycin A or compositions thereof into contact with said insects or their environment.
Patent GB-922006-A (GB)
Title: Safety guards for gas and electric cookers
IPC: F24C15/36
Filed: 1959-05-01
Abstract: 922,006. Guards for cookers. P. TAYLORJan. 21, 1960 [May 1, 1959], No. 14877/59. Class 126. A cooker guard comprises a frame 1 of wire or the like supporting a meshed, reticulated or perforated member 2 and having legs 3, 4 detachably slotted in brackets 6 adapted to be vertically secured to the cooker. The leg 4 is welded to a U-shaped wire 5 adjustable along the guard to suit cookers of differing widths. The guard may be fitted to the front only or to one or both sides also of the cooker. In another embodiment, the guard consists of two parts, each having one leg, the frame of one part being horizontally telescopic in the frame of the other. To retain the guard in position, one or both legs may have means such as a cut-out flap 7, Fig. 6, for engaging the lower edge of the bracket 6 or a thumbscrew (not shown) may be passed through the bracket to engage the leg. The legs may be of strip metal as shown or each formed as an elongated loop integral with the frame 1. The brackets 6 may have an adhesive film at the back for securing them to the cooker.
Patent GB-400127-A (GB)
Title: Improvements in postal envelopes or the like
IPC: B65D27/16
Filed: 1933-05-23
Abstract: 400,127. Envelopes &c. VOGEL, M., 315, Mainzerlandstrasse, Frankfort-on-Main, Germany. May 23, 1933, No. 14916. Convention date, May 23, 1932. [Class 146 (ii).] In an envelope or the like of the kind having on a flap b and a counter-flap e adhesive surfaces d, f which adhere to like surfaces and not to paper or the like, and need no previous moistening, the flaps b, e are adapted to have an outward pivotal movement and to be folded at the edge of the opening by a movement in the same direction on to the back or front of the envelope with the adhesive surfaces d, f arranged on the inside and thereby covered for protecting the adhesive surfaces against dust, and for preventing the adhesive surfaces of adjacent envelopes from coming into contact when stacked. For stacking or printing, the counter-flap e is folded downwards with the adhesive surface f towards the back a<2>, and the flap b with the adhesive surface d towards the inside of the front a<1> of the envelope. For sealing, the flap e is turned upwardly and the flap b folded over it so that the adhesive surfaces meet. In a modification the flaps b, e have adhesive on their opposite faces and for stacking or printing purposes the flap b is folded in the opposite direction on to the front a<1>, and the flap e is turned upwardly on to the inside of the front a<1>; for sealing the envelope the flap b is turned on to the inside of the front a<1>, and the flap e is folded over it.
Patent GB-905620-A (GB)
Title: Improvements in or relating to multiple screw broaching machines
IPC: B23D37/16
Filed: 1961-04-25
Abstract: 905,620. Broaching. FREDERICKS, C. E. April 25, 1961, No. 14920/61. Class 83 (3). [Also in Group XXIV] A broaching machine comprises two axially-fast parallel screws 15, 16 for moving a broach-puller or -pusher 29. The screws engage nuts in the puller carriage 29 by recirculating ball-bearings. The work 40 is held against a face 41 above a tray 42 which collects swarf and coolant. The coolant passes down to a cooler and pump in a reservoir. Speed and reversing-control levers are mounted in a panel 46. Safety limit switches 50, 51 are operated by a dog on the carriage 29.
Patent GB-498282-A (GB)
Title: Apparatus for use in sterilizing water or other liquids
IPC: A61L2/10
Filed: 1938-03-31
Abstract: <PICT:0498282/III/1> Apparatus for irradiating liquids, particularly for sterilizing water on board ship, comprises a reservoir for the unsterilized liquid, a number of service tanks for the sterilized liquid, and means for passing liquid from the reservoir to any one or more of the said tanks through an ultra-violet radiator.  A suitable radiator comprises a central burner m surrounded by two concentric cylinders c1, h enclosing an annular space to which the liquid is admitted tangentially at s and flows helically upwards.  The outer cylinder c1 may have a reflecting inner p  surface, e.g. of chromium plating, and all internal surfaces of the liquid passage should be smoothly finished.  A rheostat (not shown) may be included in the lamp circuit to vary the intensity of radiation.
Patent GB-277413-A (GB)
Title: Improvements in, or relating to, marine and aerial propellors, and power-generating mills, and the like
IPC: B63H1/04
Filed: 1926-06-15
Abstract: 277,413. Sweetnam, G., and Smye, A. J. June 15, 1926. Paddle wheels. - In a, paddle wheel with feathering vanes, an eccentric is mounted on the main shaft and driven at half speed and is connected to cranked extensions of the vane axes for producing the feathering action. A shaft g, Figs. 2 and 4, carries end plates f in which are mounted the axles e of vanes a - - d, these axles having cranked extension h engaging at i with a plate supported in a disc k eccentric to and free of the shaft g. The eccentric carries a bevel wheel l that meshes with a bevel m keyed to the shaft and with a bevel n normally held stationary. Under normal conditions the eccentric rotates at half the shaft speed and the vanes are directed to a, given point. For altering the phase the bevel wheel n is given the requisite freedom before being re-locked.
Patent GB-150178-A (GB)
Abstract: 150,178. Neddo, R. Sept. 12, 1919. Stationery cases. - A stationery cabinet for supplying one sheet of paper, &c., at a time has the support for the articles arranged to swing upwards and move bodily forward towards a roller placed near a delivery slot, so that the front ends of the sheets are successively brought forward to a substantially vertical plane. The rear wall 6 of the cabinet is movable as a door, to which the paper-holder 7 is fixed like a drawer. The articles 8<c> are placed on a carrier 9 which is suspended by links 9<a> pivoted at 10 to the walls 8 of the drawer 7. The end 12 of the carrier is weighted at 13 to cause the end 11 to move upward towards the feed-roller 14. The cross-piece 8<b> is so positioned in the drawer 7 to serve as a stop to limit the forward and downward movement of the rear end 12 of the carrier 9. An abutment 12<a>, bent to hold the articles so that the front edges are moved towards the roller similarly, is fixed to the end 12. The roller 14 is carried on the shaft 15 which extends through the side walls of the casing and is provided with enlarged milled heads. The delivery slot 18 in the front wall 4 is in a horizontal plane with the bottom of the roller, and is provided with an adjustable retarding-device 19, the upper edge of which is roughened to engage any lower sheets that tend to move outwards from frictional engagement with the top one. Inclined guides 22, 23 assist in the delivery of the articles. The roller is adapted to be rotated in one direction only, by means of the ratchet wheel 24 and a dog 25 carried on the shaft 15, Fig. 7. The dog 25 is a small metal plate with its upper edge turned over as at 27 to act as a pawl to engage the teeth of the wheel, and is positioned in a slot in the retarding-plate 19, and prevented from rotation by abutment against the front wall 4 of the case. The dotted lines in Fig. 4 show the position of the pile when the holder 9 is filled, the top article then being approximately in a horizontal plane with the delivery slot 18 and the bottom of the roller 14. The shape of the pile, and the position of the pivot 10, ensure that the front ends of the articles are continuously pressed upwards against the roller.
Patent GB-887490-A (GB)
Title: Gammagraph apparatus for medical purposes
IPC: A61B6/00
Filed: 1958-05-12
Abstract: 887,490. Gammagraph apparatus. CAHA, A., and KALLUSCH, K. May 12, 1958 [May 13; 1957], No. 15096/58. Class 98(1). Gammagraph apparatus comprises a scintillation head and supporting means therefor, said means being such that the head can be moved towards or away from the object being examined, and in two other directions, the support'also being such that the head can be maintained at a constant distance from the surface of said object and following its contours during a scanning operation. The form of apparatus shown has a central supporting pole 13 pivoted rotatably at its base in a frame 17, with a scintillation head I suspended by links 2 forming a parallelogram framework allowing vertical movement of the head, whose weight is counterbalanced by a spring 3. A table 19 is provided for supporting a patient beneath the head, the table being adjustable towards the pole. Means are provided for recording the impulses from the scintillation head. The apparatus is used to detect gamma radiation from radioactive isotopes absorbed in a particular organ, such as the thyroid gland. An extension 22 on the pole is linked to a motor 21 in such a way that the pole, and hence the scintillation head, is given a reciprocating rotary movement. An extension 10 of the table has a toothed rack, in which engages a catch 14 attached to pole 13. At the end of each rotary traverse of the pole 13, the table is shifted one tooth nearer the pole. The head 1 thus scans the area of the patient 'under examination in a series of curved lines, moving over a thin plastic sheet 15 which is shaped to the body contour. An electromagnetically operated pin 6 records the impulses from the scintillation head on a drum 8. The drum is so arranged and linked with the movement of pole 13 that it receives a translational and a rotary movement corresponding with the movements of the scintillation head.
Patent GB-910143-A (GB)
Title: Preparation of chlorofluoroalkanes
Inventor: MANNO PETER JOSEPH
IPC: B01J19/08
Filed: 1961-04-26
Abstract: Chlorofluoroalkanes are prepared by reacting a fluoroalkane with substantially anhydrous chlorine, the reaction being induced by gamma radiation, preferably of intensity 104-107 reps.  Preferred conditions are a temperature of between -30 DEG C. and 200 DEG C., and a pressure from atmospheric to 1500 p.s.i.g. 1,1-Difluoroalkanes are preferred.  Specified fluoroalkanes are 1,1,1-trifluoropropane, 2,2-difluorobutane, 2-fluoropropane, 3,3-difluoropentane, 1,1 - difluorobutane, 1,1 - difluorohexane, 1,1-difluoroethane, 1,1-difluorooctane and 1,1-difluorodecane.
Patent GB-845964-A (GB)
Title: Glass bending mold
IPC: C03B23/027
Filed: 1956-08-17
Abstract: 845,964. Bending glass sheets. PITTSBURGH PLATE GLASS CO. Aug. 17, 1956 [Aug. 30, 1955], No. 15154/59. Divided out of 845,962, and Addition to 768,982. Drawings to Specification. Class 56. The subject-matter of this Specification is described in Specification 845,962 but the claim is concerned with the foraminous heat absorbing member. Specification 845,963 also is referred to
Patent GB-1135839-A (GB)
Title: Method for coating cutting edges of sharpened instruments
IPC: B26B21/60
Filed: 1966-04-05
Abstract: 1,135,839. Coating cutting instruments. PHILIP MORRIS Inc. 5 April, 1966 [22 April, 1965], No. 15162/66. Heading B2K. A method of coating the sharpened cutting edges of cutting instruments during the manufacture thereof, with a coating material to improve the cutting characteristics thereof, comprises applying the coating material to the cutting edges while advancing the cutting instruments in a controlled manner adjacent a stream of highly heated gas with said stream in contact with said coating material and cutting edges only, the stream (preferably in the form of a plasma jel) heating said coating material and cutting edges to a temperature sufficient to cause said coating material to bond to said cutting edges. The cutting instruments may be made of carbon steel, stainless steel or a plastics material having sufficient hardness and interent strength to be used as a razor blade. Specified coating materials are tungsten carbide, alloys, bimetals, metal oxides, polytetrafluoroethylene, polychlorotrifluoroethylene, fluorinated telomers, polyethylene, stearic acid, beheric acid, waxes, polyamides, polyacetals and polycarbonates. In Fig. 3, a continuous strip 30 of single edged razor blade stock is sharpened by conventional means 35, sprayed with a solvent 33, dried and preheated by air dryer 36, coated with polytetrafluoroethylene powder 37, dried by drying unit 39 and passed through the jets of one or more plasma gel guns 40.
Patent GB-1512231-A (GB)
Title: Device for aid in teaching accounting
IPC: G09B19/18
Filed: 1975-04-14
Abstract: 1512231 Accounting game S M ZEGEL 14 April 1975 [19 April 1974] 15184/75 Heading A6H [Also in Divisions B6 and G5] An accounting game or teaching aid includes a plurality of pages 32, Fig. 4 in a loose-leaf ledger, each page having two pockets 34, 36 for an appropriate one of a set of cards, e.g. 12, bearing markings showing whether a particular accounting event should be placed on the credit or debit side of an account sheet. The device includes tags 46 denoting at 48 the nature of the account, each adapted to be received in a slot 44 in a page 32 so that it is visible through a window 42. In an alternative, the cards are replaced by totalizers, Fig. 6 having flaps 68, 70 for insertion in the page pockets, and number wheels 74, 76, 78, 80 which can be manually set to indicate total debit or credit In an accounting game, sheets setting out facts of a business are provided and the aim is to produce the accounts therefor.
Patent GB-1137685-A (GB)
Title: Photosensitive pickup tube including an electron multiplier
IPC: H01J29/02
Filed: 1966-04-05
Abstract: 1,137,685. Cathode-ray tubes. RADIO CORPORATION OF AMERICA. 5 April, 1966 [27 April, 1965], No. 15208/66. Heading H1D. The first dynode of the electron multiplier in an image orthicon has the beam limiting aperture 32 facing the cathode 40 flared as shown, and coated with secondary electron inhibiting material, e.g. colloidal graphite or a carbon compound such as petroleum lubricating oil or grease, or a metal such as chromium, palladium or gold. Carbonates or oxides, e.g. of barium, strontium and calcium, emitted from the cathode 40 may react with a coating of organic material to produce a compound having a relatively low secondary emission ratio. The organic material may be applied by brushing or by causing the material to flow through the aperture 32 in liquid form under a differential pressure. Preferably the coating is porous; the coating of organic material may be rendered porous by sand-blasting. The coating thickness is at least about 200 Angstroms. The secondary emissive coating 38 of the dynode is a thin coating, e.g. about 100 Angstroms thick, of magnesium oxide. The surface of the nickel substrate 36 is highly smooth and this is accomplished by using a plating bath consisting of nickel sulphamate, boric acid and nickel chloride in de-ionized water.
Patent GB-542426-A (GB)
Title: Improved manufacture of castings high in zirconia
IPC: C04B35/484
Filed: 1940-10-15
Abstract: 542,426. Refractory substances. CORNING GLASS WORKS. Oct. 15, 1940, No. 15292. Convention date, Oct. 24, 1939. [Class 22] A cast refractory suitable as feeder parts for glass furnaces and crucibles consists of zirconia over 60 per cent. and alumina not more than 25 per cent. by weight, and substantially free from iron oxide and titania. Silica may be present in amount up to 15 per cent., oxides of beryllium, magnesium, calcium, strontium, and barium up to 15 per cent. and oxides of lithium, sodium, and potassium up to 5 per cent.
Patent GB-1223823-A (GB)
Title: Method of and apparatus for measuring the brittleness of a rigid plastics material
Inventor: GONZE ANDRE
IPC: G01N19/00
Filed: 1969-03-24
Abstract: 1,223,823. Measuring brittleness. SOLVAY & CIE . March 24, 1969 [April 4, 1968], No.15316/69. Heading G1S. A method of measuring the brittleness of a rigid plastics material comprises subjecting a specimen E of the material to a longitudinal tensile force and determining the tensile force at which the specimen undergoes a brittle fracture when subjected to a notch forming impact in a direction at right angles to the direction of the longitudinal tensile force. The specimen is clamped between jaws 6, 7 and the tensile force is applied by rotating a crank 14 which moves the jaw 7, the magnitude of the force being measured by a dynamometer 8 and displayed on a dial 12. The impact to the specimen is provided by a pendulum 21 pivoted by a rod 18 in the arms 3, 4 of a frame 1. The pendulum has a metal mass 22 in which a metal blade 23 is adjustably mounted. A screw 33 enables an axial adjustment of the rod 18 to ensure that the blade 23 will strike the centre of the specimen. An arm 26, pivotable about the rod 18, is initially rotated to a position forming a predetermined angle with the vertical as indicated by a scale 25 co-operating with a window 28 in the arm, and locked in position. The pendulum is then raised and locked to the arm by a stirrup 29 and a push button 31 supported on the arm. On pressing the push button the pendulum is released to strike the specimen with an impact of known magnitude.
Patent GB-277430-A (GB)
Title: Improvements in pneumatic separators
IPC: B03B4/00
Filed: 1926-06-18
Abstract: 277,430. Dickinson, R., Kirkup, R. H., and Carruthers, J. June 18, 1926. Separating by shaking apparatus; pneumatic separating.-Apparatus for the separation of dry materials of the kind in which the materials are stratified according to density and the various strata are removed at different points, comprises a stationary inclined perforated plate 2 over which the material passes by gravity, means for effecting an intermittent pneumatic pressure under the plate, and means for collecting each stratum at a point where stratification is complete. In the construction described, the collecting means consists of a vertical shoot 5 which may be divided into two compartments 5<a>, 5<b> by a plate 5<c>, the upper end of which dips into the mass of materials and separates the dirt from the middlings, the lightest constituents passing over the end 2<a> of the inclined plate. The discharge from the shoots 5a, 5b is controlled by an adjustable sleeve 5d and by a reciprocating shelf 9 which is driven at variable speed and amplitude of vibration by variable speed gearing and an eccentric rod 12 adjustably connected to the arm of the shelf 9. Alternative means for discharging the shoots 5a, 5b comprise a sliding plate or rollers oppositely rotated. The means for producing the pneumatic pulsations consists of a box 3 under the plate 2 to which air is supplied from a fan 7 through the casing 6 in which rotates a valve having two blades 6a in line. Alternatively the valve may consist of a reciprocating or rotating disc with one or more apertures adapted to open and close the air passage. Instead of a pressure fan, a suction fan may be used above the bed of material. The material is fed from a hopper 4 with an adjustable door 4a and a perforated hinged bottom 17 which is counterweighted at 18 and is connected by a rod 19 to the switch controlling the motor current supply so as to stop the machine when the quantity in the hopper falls below a predetermined value.
Patent GB-715570-A (GB)
Title: Improvements relating to the grinding of metal articles
IPC: C23F4/00
Filed: 1952-07-10
Abstract: 715,570. Modifying metallic surfaces. PYRENE CO., Ltd. July 10, 1952 [July 10, 1951], No. 17440/52. Class 82 (2) [Also in Group XXIII] Metal articles are tumbled with stone chippings or the equivalent in the presence of a solution capable of forming a phosphate coating on the metal surfaces. For ferrous articles the solution contains, per litre, 19.5 gm of zinc, 23 gm. of P 2 O 5  and 24.5 gm. of NO 3  and pumice may be added
Patent GB-1034023-A (GB)
Title: Rotary piston internal combustion engines
IPC: F02B53/00
Filed: 1965-04-12
Abstract: 1,034,023. Rotary-piston internal combustion engines. FORD MOTOR CO. Ltd. April 12, 1965 [April 22, 1964], No. 15388/65. Heading F1F. A rotary-piston I.C. engine of the geared vane or piston type having two sets of pistons geared together so that one set, the working pistons rotate at constant angular velocity and the other set, the phasing pistons alternately accelerate and retard to vary the volume between adjacent working and phasing pistons, comprises a planet pinion 7 freely rotatable on an arm 5 connected to an output shaft 4 driven by the working pistons 2 and operatively connected by a chain 8 to a sun gear 9 fixed to the casing 1 so that as the pinion 7 bodily rotates about the axis of the shaft 4 in one direction it rotates about its own axis in the opposite direction. A member 11 slidable in a guide 6 secured to the phasing pistons 3 co-operates with a crank 10 secured to the pinion 7 to accelerate and retard the phasing pistons. Fuel is admitted through an inlet 13, compressed between adjacent working and phasing pistons, ignited by a spark-plug 12 and the spent gases exhausted through an outlet 14.