baber/WOPTO huggingface dataset:
Patent GB-995236-A (GB)
Title: Improvements in or relating to nuclear magnetic resonance apparatus
Inventor: EVANS BRIAN ARTHUR
IPC: G01R33/30
Filed: 1960-06-29
Abstract: 995, 236. Gyromagnetic resonance apparatus. MULLARD Ltd. June 29, 1961 [June 29, 1960], No. 22785/60. Heading G1N. The radio-frequency coil of a gyromagnetic resonance apparatus comprises a conductor of rectangular cross-section wherein the width of the conductor is very much greater than its thickness. Glass cylinder 1 Fig. 1, is electroplated with a thin layer of copper between limits 2, 3 and portions are etched away to form a coil 6 with end strips 13, 14, channels 9-12 being etched away to break what would otherwise be a short circuited turn. The length of the copper plated region should be many times the coil length and the major part of the end portions should be left in situ. Rigorous chemical cleansing to remove the etching agent (ferric chloride) is stated to be essential if false readings are to be avoided, and the arrangement is said to give a high Q value. The use of such a coil in a spinning sample type apparatus in which the unidirectional field is swept is described with reference to Fig. 2 (not shown). Specification 640,878 is referred to.
Patent GB-228010-A (GB)
Abstract: 228,010. Paterson, W. Feb. 1, 1924. Filters with loose filtering - materials. - The inlet valve a for liquid to be treated is subject to the control of a float f in a chamber g having an inflow h from the filter or a distributing-chamber in connection therewith and an outflow normally balancing such inflow. The level of liquid in the tank c for filtered water controls through a float m or electrical means a supplementary inflow to the chamber g through a pipe l or regulates the discharge from the chamber g. The filter discharge valve b may be of the form described in Specification 411/12. Specification 3069/15, [Class 135, Valves &c.] also is referred to.
Patent GB-730449-A (GB)
Title: Polymeric materials
IPC: C08F26/06
Filed: 1953-08-19
Abstract: N-Acrylylpyrrolidine polymers are made by polymerizing N-acrylylpyrrolidine alone or admixed with another monomer containing an olefinic double bond.  The polymerization is preferably effected in an aqueous medium in the presence of a redox catalyst system, e.g. potassium persulphate and sodium metabisulphite, and the polymerization terminated before complete conversion.  Other monomers mentioned are acrylonitrile, methacrylonitrile, vinyl acetate, alpha-methyl styrene, vinyl chloride, methyl-vinyl ketone, beta-chloroethyl acrylate, and 2,5-dichlorostyrene.  The polymers may be used as thickening agents, as sizes, and in the production of fibres and filaments by dry or wet-spinning methods, e.g. by spinning a solution of the polymer in dimethylformamide alone or diluted with nitromethane. The polymer may be compounded with plasticizers, fire-retardants, ultra-violet light absorbing materials, dyes, pigments and nacreous materials.  The polymers are soluble in, or swollen by, water, acetonitrile, dimethyl sulpholane, mixtures of acetonitrile with nitromethane and ethylene carbonate and mixtures of nitromethane and p-cresol.
Patent GB-496516-A (GB)
Title: Improvements in or relating to toys or amusement devices
IPC: A63H18/14
Filed: 1937-08-20
Abstract: 496,516. Toys. PARKER, H. Aug. 20, 1937, No. 22880. [Class 132 (iii)] A toy railway comprises a base having a track slot 26 extending in a closed path to form an inner portion supported from an outer portion by bridges 29, 30, 31 crossing the track, a rotary arm 45 pivotally mounted on the under side of the inner portion, extending horizontally immediately below the undersurface and concealed by the base, the said arm being engageable with a vehicle 38 located on the track by means of a connection extending through the slot characterized in that the vehicle is adapted to be connected to the rotary arm by simply placing it in position on the track, the said connection being readily detachable and permitting the vehicle to be driven round a non- circular track by the arm without being lifted from the track. The arm 45 is attached to a pulley 16 driven by a belt from a pulley 19 operated from a crank 24 or by mechanical means, and is flexible so as to be able to engage projections 41 from the vehicles 38 through the slot 26. As shown in Fig. 3, a locomotive 38 may have carriages 39, 40 attached by rings 43 fitting over the upper ends of guiding projections 42 and over a coupling hook 44 on the locomotive. Bumpers 64 are fitted for reversing. The slot 26 has two additional slots 33, 34 attached, and points 46, 47, 48 for guiding the train at the connections of the slots. The train normally traverses the outer slots due to centrifugal force but by operation of the points can be constrained to the inner track. Points 47, 48 are operated by levers 53, Fig. 6, with projections 57 engaging teeth 58 when the points are in the open position. The point 46 is hand-operated. In a modification, Fig. 5, the arm 45 is replaced by a tube 59 in which slides a rod 60 the end of which projects through the slot to engage the vehicle on the track.
Patent GB-461271-A (GB)
Title: Improvements in or relating to resin-fibre products
IPC: C08L61/10
Filed: 1935-08-14
Abstract: Resin-fibre sheets containing a phenolic synthetic resin are prepared by reacting a phenol and an aldehyde in the presence of a solid fusible water-repellent substance until the resinous product is substantially free from unreacted phenol, mixing an aqueous dispersion of the product with or without the addition of asphalt with an aqueous suspension of a fibrous material and forming the mixture into sheets which may, if desired, be laminated.  Suitable water-repellent materials include limed rosin, pitch, artificial thermoplastic synthetic or natural resins, waxes, halogenated paraffin, halogenated naphthalene, halogenated diphenyl and water-insoluble soap, and suitable fibrous materials include paper-forming fibres, alphaflock and asbestos.  In examples, a mixture of cresol and limed rosin is condensed with aqueous formaldehyde in the presence of ammonia and the product with the addition of lime and if desired dehydrated and dispersed in water, is incorporated with paper pulp, sheeted, and, if desired, laminated. British Specification 384,728, [Group VIII], and U.S.A. Specification 1,551,428 are referred to.  The Specification as open to inspection under Sect. 91 refers generally to the production of resin-fibre compositions for use in the manufacture of moulded articles from a mixture of a wet fibrous pulp and an aqueous dispersion of a phenolic resinous composition including a solid fusible water-repellent substance. This subject-matter does not appear in the Specification as accepted.
Patent GB-1370725-A (GB)
Title: Mandrel for use in a well tubing and a well installation including the mandrel
IPC: E21B23/03
Filed: 1972-05-16
Abstract: 1370725 Wells &c CAMCO INC 16 May 1972 [21 June 1971 14 Sept 1971 15 Dec 1971] 22964/72 Heading E1F In a tubing mandrel 10 comprising a throughbore 16 and an offset receiver 20 for flow tools 22, a guide 26 for leading the flow tools to the receiver prevents through-bore tools 18 from entering the receiver or interfering with a flow tool in the receiver. In the modification shown in Fig. 7 angles 40 cooperating with the part of the mandrel above the receiver form the guide. A number of mandrels may be fitted in a tubing 12, each mandrel having a sleeve 46 for orientating a tool for installing a flow tool in the receiver.
Patent GB-399819-A (GB)
Title: Improvements in the method of and apparatus for mounting fastening members of sliding clasp fasteners
IPC: A44B19/46
Filed: 1932-02-11
Abstract: 399,819. Sliding-clasp fasteners. WINTERHALTER, M., 19, Davidstrasse, St. Gallen, Switzerland. Feb. 11, 1932, No. 23007/33. Convention date, Jan. 11, 1932. Divided on 400,195. [Class 44.] The previously formed fastening members 9 of a sliding-clasp fastener are fed from a magazine (not shown) through a chute 8 to suitably spaced recesses 2 on the periphery of a rotating disc 1 which carries them into place on the edge of the stringer 10 where they are clamped in place by a pair of eccentric cams 5 disposed on opposite sides of the stringer, the cams also serving to feed the stringer 10 drawn down over a roller 3. Chute 8 may have feed-control means as described in Specification 342,312, which may be actuated through gearing operated by the disc.
Patent GB-379500-A (GB)
Title: Improvements in or relating to wringing and mangling machines
IPC: D06F45/00
Filed: 1931-08-17
Abstract: 379,500. Wringing and mangling machines. WILKINS, W. S., (trading as WILKINS & MITCHELL), Phoenix Works, The Green, Darlaston, Staffordshire. Aug. 17, 1931, No. 23085. [Class 138 (ii).] In a wringing or mangling machine, which may form part of a domestic washer, in which the pressure on the rollers is adjusted by the rotation of a screwed bolt, the lower end of which bears on the pressure spring or on a plate or other part acting on the pressure spring or springs, the nut through which the bolt passes is mounted so that it can rotate about a horizontal axis to permit a quick release of pressure. In a machine having a leaf spring 12 the ends of which rest on the bearing blocks of the upper roller the pressure is varied by the rotation of a screwed bolt 18 with rounded end 19 which engages a depression 20 in the spring 12. The bolt passes through a nut 13 which can rotate about a horizontal axis and a slot 22 is provided in the frame so that by moving the handle 21 of the bolt 18 parallel to the length of the frame the end 19 of the bolt is disengaged from the depression 20 and the pressure on the rollers is relieved. The nut may be rotatably secured by forming it with countersunk ends 15, 16, Fig. 3, into which extend projections 17, 23 formed in the frame of the machine. Instead of engaging the spring directly the lower end of the screwed bolt may engage a depression in a plate which acts on a leaf or strip spring or on coiled springs.
Patent GB-531992-A (GB)
Title: Improvements in or relating to devices for ejecting empty cartridge cases in automatic firearms
IPC: F41A15/14
Filed: 1939-08-10
Abstract: 531,992. Machine guns. CESKOSLOVENSKA ZBROJOVKA AKCIOVA SPOLECNOST BRNO. Aug. 10, 1939, No. 23104. Convention date, Aug. 13, 1938. [Class 92 (ii)] A device for ejecting cartridge cases in automatic firearms comprises an ejector 9 mounted in the breech block 4 in a direction inclined to the axis of the barrel 2 and adapted to co-operate during the recoil of the breech block with a resiliently mounted stop provided with an oblique stop face 14<SP>1</SP> which controls the necessary movement of the ejector for effecting the ejection of the cartridges. The stop comprises a bush 12 mounted in a bore 13 in the breech casing 1 and is moved rearwardly by the ejector, during the recoil, against the action of a spring 15 until, if ejection has not by then occurred, a projection on the bush engages an end face 16 of the bore which forms a fixed stop. Movement of the ejector is limited by a transverse pin 10 secured to the breech block so as to project into a slot 10<SP>1</SP> in the ejector.
Patent GB-918241-A (GB)
Title: Improvements in gear trains
Inventor: MANSACHS KAJ HENNING
IPC: F16H57/02
Filed: 1959-07-06
Abstract: 918,241. Toothed gearing. SMIDTH & CO. A.S., F. L. July 6, 1959, No. 23145/59. Class 80 (1). In a speed reducing gear train in which the driving-shaft 2 is connected to the driven shaft 4 through two intermediate shafts 12<SP>1</SP>, 12<SP>11</SP>, Fig. 1, the final driven gear 16 is flexibly coupled to its shaft 4 by a membrane 18 of a number of flexible steel plates and the shaft 4 is flexibly coupled to a driven machine shaft 7 through a membrane 5. A resilient support for the shaft 4 comprises. Fig. 3, a slide shoe 21 suspended by bolts 23<SP>1</SP>, 23<SP>11</SP>from springs 29<SP>1</SP>, 29<SP>11</SP>and bearing on a collar 19 of the shaft so that the, power is equally distributed between the two intermediate shafts 12<SP>1</SP>, 12<SP>11</SP>.The gears on the intermediate shafts also have plane cylindrical portions 15<SP>1</SP>c, 15<SP>11</SP>c encompassed by rings 20<SP>1</SP>, 20<SP>11</SP> of greater internal diameter which engage a plane cylindrical portion 16c of the driven gear 16 which assist in centralizing this gear.
Patent GB-876832-A (GB)
Title: Improvements in and relating to a clip assembly for use with gymnastic boom apparatus
IPC: A63B3/00
Filed: 1959-07-06
Abstract: 876,832. Gymnastic apparatus. SPENCER, HEATH & GEORGE Ltd., BATES, H. W., and HENMAN, T. H. J. April 25, 1960 [July 6, 1959], No. 23175/59. Class 132(1). [Also in Group XXV] Engaging one side of a support 13 are spaced first and second jaw members 15, 16 between which slides a third jaw member 17 which engages the opposite side of the support 13, a gate member 18 hinged to one of the members 15, 16 having a projection 20 which engages a hole in the support 13 to locate the assembly thereon where it is held by means acting on the members 17 and 18 to lock the assembly in position. Jaws 15, 16 are connected by a bracket 25 and a cross piece 26. The latter has a circular stud 27 which engages and is held by plate 31 and nut 32 in an axial socket 28 formed in a boss 29 projecting from an end fitting 14 secured to a gymnastic beam 11. The other end of beam 11 is similarly mounted. Stud 27 has a single transverse hole which can register in two positions with holes in boss 29 and is held by locking pin 30 in one of these positions. A pivoted safety catch 33 engages a slot in member 35 to prevent gate member 18 from moving. Boss 29 may have two sets of holes at right angles so that the beam can be fixed broad side up.
Patent GB-598792-A (GB)
Title: Improvements in and relating to the optical projection of television pictures
IPC: H04N9/22
Filed: 1945-09-10
Abstract: 598,792. Cathode ray tubes. GENERAL ELECTRIC CO., Ltd., and JESTY, L. C. Sept. 10, 1945, No. 23283. [Classes 39 (i) and 40 (iii)] A cathode-ray tube for colour television comprises a rotating screen 10 coated in sections with material fluorescing in different colours, R, R1, giving red luminescence, B, B1 blue and G. G1 green, a reflector 15 with aperture 16 through which the scanning beam passes, an opaque shield 19, and a lens 18 to correct for spherical aberration. The screen 10 is in part spherical and may be rotated intermittently, the next section being moved into position when the scanning of the first is completed, or it may be moved continuously, but more quickly during the fly-back period of the beam. Alternatively, the luminescent sections may be widely spaced and mounted in radial spokes to offer the least possible obstruction to light reflected back through it. Where the screen is in motion during scanning, the fluorescent material chosen should have short afterglow.
Patent GB-226761-A (GB)
Title: Improvements in or relating to convertible solid and liquid fuel fired cooking stoves or ranges
IPC: F24C1/06
Filed: 1923-12-17
Abstract: 226,761. Thompson, H. A., and Swinney Bros., Ltd. Dec. 17,1923. Convertible solid-fuel and oil stoves. - A cooking-stove is converted from solid to liquid fuel firing by replacing the fire-bars by a plate which fits in the space left by their removal. Fig. 2 shows a range such as that described in Specification 224,396 converted for oil firing by the substitution for the fire-bars of a plate d having an inclined rear end e provided with slots or serrations f through which heated air passes from the ash-pit. Stiffening-ribs g may be provided on the upper surface of the plate, which also serve to retain refractory material with which the plate is covered. A door i to which is attached an oil burner j is substituted for the coal burner door.
Patent GB-935917-A (GB)
Title: Improvements in document sorting apparatus
Inventor: THOMPSON STANLEY HOWARD ADCOCK
IPC: G06K13/063
Filed: 1961-06-29
Abstract: 935,917. Statistical apparatus. PARNALL & SONS Ltd. Jan. 27, 1962 [June 29, 1961], No. 23483/61. Class 106 (1). Football pool coupons are fed by rollers 3 co-operating with captive balls 6 to a rotating vacuum drum 7, the coupons being aligned by having the axes of rollers 6 skewed to bias the coupons against a guide fence. Each column of the coupon is sensed in turn by means of a strip light 10, condenser lenses 11 and projection lenses 12 which project a magnified image of the column on to photo-cells 13. If a winning column is sensed a deflector (not shown) is operated to direct the coupon to a special pocket, otherwise a further deflector (also not shown) directs the cards to another pocket.
Patent GB-1344708-A (GB)
Title: Method and compositions for combating protozoan infections
IPC: C07C281/18
Filed: 1971-04-19
Abstract: 1344708 Guanidine derivatives DOW CHEMICAL CO 19 April 1971 [25 March 1970] 23598/71 Heading C2C [Also in Division A5] 1,2,3 - Tris - [(p - halobenzylidene)amino]- guanidine compounds of the formula wherein X is chlorine or bromine are prepared as the hydrochlorides by reacting triaminoguanidine hydrochloride with the appropriate halogenated benzaldehyde in aqueous ethanol. The free base compounds may be obtained therefrom by treatment with ammonium hydroxide.
Patent GB-223380-A (GB)
Title: Improvements in or relating to coin-freed delivery apparatus
IPC: G07F11/50
Filed: 1923-09-21
Abstract: 223,380. Lamb, J. M. Sept. 21,1923. Delivery of articles stored in bulk. - Roasted pea-nuts are delivered from a receptacle 6, Fig. 2, to a tray 12 by a rotary delivery drum, carried by a spindle 27 operated by a handle 29 and comprising measuring compartments 26 closed by end plates 31. A disc 31a on the spindle has pins 31b corresponding to the number of compartments 26, one of these pins engaging, when the handle 29 is turned, a notch 40 in a sliding bar 32, Fig. 3, which is normally prevented from more than a slight movement by two pivoted spring-pressed arms 43, 44 engaging shoulders thereon. The bar 32 is released by prepayment and moves forward until one compartment 26 has revolved into discharging position and the next is in position to receive a fresh charge from the receptacle 6. The bar is then returned by a spring 36 one end of which is attached to a lever 38 normally resting on a pin 31<b>. When the actuation is taking place, the lever 38 falls behind the pin 31b and prevents the return of the bar 32 before the coin is discharged. Coin action, mechanical-connection. - A coin 49 rests between pins 47, 48, 37 on the levers 43, 44 and the bar 32 respectively. The movement of the bar pushes the coin between the pins 47, 48 thereby moving the levers out of engagement with the bar. Casings.-The receptacle 6 has a glazed front 4 and is covered by a removable hood 2 which is provided with headed studs 20 engaging under lugs 18 on the frame. The studs are engaged with the lugs 18 by a wedge-shaped end 15 of a spring-pressed lever 14 engaging a projection 19 on the hood and thereby moving the hood. Access to the lever 14 is attained through a door at the side of the apparatus.
Patent GB-1427178-A (GB)
Title: Pneumatic rubber tyre for off-road vehicles
IPC: B60C9/02
Filed: 1973-05-17
Abstract: 1427178 Pneumatic tyres BRIDGESTONE TIRE KK 17 May 1973 [5 Aug 1972] 23664/73 Heading B7C A pneumatic rubber tyre 10 for off-road construction vehicles, comprises an annular tread rubber having a pair of mutually-parallel side edge corners S, a carcass 1 extending between the tyre beads, a breaker layer between the tread rubber and the carcass, and a respective protective projection 6 provided on each tyre sidewall 5, each projection 6 projecting axially outwardly beyond the outermost portion of the associated sidewall, even under loaded conditions, and each projection 6 having a radially outer periperhal edge 8 spaced at a radial distance y, from the corresponding side edge corner S of between 10% and 30% of the tyre cross-sectional height H, and having a radially inner peripheral edge 9 spaced at a radial distance y 2  from the corresponding side edge corner S of between 35% and 45% of the tyre cross-sectional height H. The projections 6 are intended to prevent sharp objects from striking the tyre sidewalls. As shown in Fig. 5 the projections 6 take the form of continuous annular members integrally formed with the tyre sidewalls. In an alternative form narrow grooves may be formed at spaced intervals in the projections. In the embodiment of Fig. 5 the carcass 1 comprises radial steel cords and breaker layers 2 are provided. Sidewall reinforcements may be formed by turning up the carcass cords or by providing separate cord portions 1b. The cord portions 1b may be formed of nylon or polyester.
Patent GB-203514-A (GB)
Title: Improvements in desks
IPC: A47B19/00
Filed: 1922-09-01
Abstract: 203,514. Gray, C. A. Sept. 1, 1922. Tables convertible into desks; combined with receptacles; desk slopes.-A desk slope consists of two parts hinged together and can be supported in a horizontal or sloping position, one part carrying on each side a vertical panel connected to the lower frame by a series of links. The part B of the desk slope is supported in its inclined position by the panels C attached to the other part B' of the desk slope and connected to the lower frame or receptacle A by links D. The panels C are connected to the frame A also by a member D' hinged to the frame and to the panels. A lever E pivoted to each panel holds the slope in either position by a notch e and pins a<2>, b<4>. The change from the horizontal to the inclined position is effected simply by pulling forward the slope B.
Patent GB-743370-A (GB)
Title: Improvements in or relating to ready food mixes
Inventor: FARRELL ALICE
IPC: B65B25/00
Filed: 1953-08-28
Abstract: The fat ingredient of a preparation for making a fat-containing cooked food is contained in a non-pervious envelope and the envelope is packed with the other ingredients, the fat being withdrawn from the envelope and mixed with the other ingredients before the cooking. Each ingredient or group of ingredients may be similarly separated from other ingredients.  According to examples of scone and cake preparations, fat sealed in a non-pervious envelope, e.g. an envelope of regenerated cellulose sheet, is packed with flour, sugar, dried fruit, skim milk powder, salt, sodium bicarbonate and cream of tartar, and if desired, dried egg albumen, colouring and flavouring substances; according to a further example of such preparations, the flour also is sealed in a non-pervious envelope after being dried to improve its keeping properties.  According to an example of a preparation for making treacle loaf, fat sealed in one envelope and sodium bicarbonate and cream of tartar sealed in another envelope are packed with a mixture of flour, golden syrup, black treacle, sugar, and ginger and spice flavourings.