baber/WOPTO huggingface dataset:
Patent GB-1125006-A (GB)
Title: Magnetic proximity switch for doors and similar relatively movable equipment
IPC: H01H36/00
Filed: 1966-05-20
Abstract: 1,125,006. Magnetic switches. INTERNATIONAL STANDARD ELECTRIC CORP. 20 May, 1966 [25 May, 1965], No. 22572/66. Heading H1N. The flux from a permanent magnet 1 normally holds the contacts of a sealed magnetic reed contact unit 6 closed until the magnet flux is diverted by an armature 3 movable relative thereto. The permanent magnet 1 and contact unit 6 are mounted in a molded plastics member 2 secured to a door frame 12 and the armature 3 is mounted with limited freedom of movement in a recess in a member 4 secured to a door 11. A magnetic shunt 9 on the member 2 adjacent the contact unit 6 diverts sufficient flux to ensure contact operation due to movement of the armature 3, but prevents operation by " stray " flux.
Patent GB-170143-A (GB)
Title: Improvements in heating devices for motor cars
IPC: B60H1/00
Filed: 1920-07-29
Abstract: 170,143. Arc & General Equipment, Ltd., and Jones, A. Denman-. July 29, 1920. Addition to 143,430. Heating vehicles.- In a modification of the air heating system for motor-vehicles described in the parent Specification, the air is heated by passing it through tubes in the silencer, and it is drawn through the silencer and the carheater by discharging it with the exhaust discharge from the silencer. As shown, the silencer comprises a cylinder A having an exhaust inlet D baffle-plates L, K, around which the exhaust passes, and an exhaust outlet H in the form of an ejector. The air passes through tubes E and an annular chamber F to the car-heater, from whence it passes to a pipe J, and is discharged at I by the ejecting action of the exhaust discharge through H. The supply of air to the car-heater may be controlled by a valve such as is described in Specification 159,531, or the like, placed in the pipe leading from the exit port G to the heater.
Patent GB-1407586-A (GB)
Title: Use of 4-isopropylphenylureas for combating weeds in grain  crops rice maize cotton and soya
IPC: C07C/
Filed: 1971-04-19
Abstract: 1407586 Combating weeds CIBA-GEIGY AG 19 April 1971 [27 Feb 1970 21 Sept 1970] 22624/71 Addition to 1255258 Heading A5E [Also in Division C2] A method of selectively combating weeds at a locus comprising wheat, barley, rye, oats, rice, maize, cotton or soya, comprises applying to the locus a compound of formula wherein X represents H or Cl and R represents H, C 2 -C 4  alkyl. C 2 -C 4  alkenyl or C 2 -C 4  alkynyl except that X and R are never simultaneously hydrogen.
Patent GB-572504-A (GB)
Title: Improvements in or relating to magazines and feed mechanisms for automatic guns or machine guns
IPC: F41A9/77
Filed: 1939-08-04
Abstract: 572,504. Cartridge magazines. MOTLEY, L. Aug. 4. 1939, Nos. 22652 and 22653. [Class 92 (ii)] Relates to cartridge magazines for automatic guns of the kind having a plurality of cartridge compartments 2, Fig. 5, and conveyer means 11 at one end of the compartments for feeding the rounds to the gun. According to the invention, the rounds 1 in each compartment are permanently pressed towards the conveyer as by means of spring-pressed rollers 6, and the compartments are provided with movable traps or stops 8 to withhold the rounds from the conveyer so long as there are any rounds in the preceding compartment and to move automatically to the open position when the preceding compartment is exhausted. The invention is shown applied to a magazine having a worm conveyer 11 feeding to the right, as described in Specification 572,510, the cartridges being pressed towards the conveyer by rollers 6 on spring-loaded arms 4 as described in Specification 572,505. The stops 8 shown are in the form of spring plates 9 held in operative position by the cartridges themselves, but springing to the inoperative position shown to the left of Fig. 5 when the compartment is exhausted. The compartments are formed of separate trough-shaped elements nested together, as shown in Fig. 4.
Patent GB-867540-A (GB)
Title: An appliance for use in applying and/or removing paint to and from surfaces
Inventor: DYER ROLAND
IPC: A46B15/00
Filed: 1956-07-24
Abstract: 867,540. Reservoir brushes. BAGSHAWE, P. P. July 24, 1957 [July 24, 1956], No. 22796/56. Class 19. An appliance for applying and/or removing paint or other liquid to and from surfaces comprises a paint-applying roller 11 or a pad, brush or sponge for charging with a solvent for paint, and a liquid container 12 disposed above the roller 11, the roller 11 and container 12 being separately mounted on one end of a long handle with the roller extending transversely thereof. The roller 11, which may be lambswool, foam rubber or foam plastic, is rotatably mounted on pins 18, 19 carried by radial arms 16, 17 at each end of a perforated pipe 13 to which liquid is supplied through a bore in a member 15 from the container 12. The container 12 is spherical and its lower part is apertured and sandwiched between two parts 15a, 15b of the member 15 which are interconnected by a threaded boss 15c. A spindle valve 26, operated by rotation of the handle about its axis, controls flow of liquid through the bore to the pipe 13. The handle is preferably telescopic and may carry a pointer movable across a scale on the container 12 to indicate the position of the valve 26. The pin 19 may be removable, or one or both arms 16, 17 may be removable or adapted to be sprung outwardly to permit replacement of the roller 11 by the sponge, pad or brush. The sponge or pad 32, Fig. 4, is attached to the undersurface of a rigid tray 33 having at each end an apertured lug 34 to receive the pins 18, 19. The tray 33 has a longitudinal slot to permit passage of liquid from the pipe 13 to the pad or sponge 32.
Patent GB-889294-A (GB)
Title: Method of resisting radiation damage to organic fluids and compositions therefor
IPC: G21C5/12
Filed: 1960-06-29
Abstract: An organic coolant-moderator composition for use in a nuclear reactor consists of a polynuclear aromatic hydrocarbon and 1 to 10% by weight of phenazine.  The polynuclear aromatic hydrocarbons may be the non-fused ring class of polyphenyls, e.g. biphenyl, m-terphenyl, o-terphenyl, and p-terphenyl.  Other suitable hydrocarbons include quaterphenyls and fused ring aromatics, e.g. naphthalene, anthracene, phenanthrene and bi-naphthyl.  For maximum radiation resistance these hydrocarbons are preferably free from alkyl; and halogenated substituents.
Patent GB-586090-A (GB)
Title: Dimerization of alpha-alkyl para-alkyl styrenes
IPC: C07C2/02
Filed: 1944-11-17
Abstract: Dimers of a -alkyl p-alkyl styrenes are produced by mixing monomers having not more than five carbon atoms in either alkyl substituent with 1/2 -10 per cent by weight of a natural clay earth, such as floridin, fullers earth and similar bleaching earths, that has been thermally activated at 200-400 DEG  C., heating the mixture to a temperature between 60 DEG  C. and the boiling point of the monomer to effect dimerization, removing the catalyst, and separating the dimer.  Floridin is heated to 325-375 DEG  C. for about 2 hrs. or more, mixed in an amount of 2-5 per cent with a -methyl p-methyl styrene, and heated to 90-100 DEG  C.  The alkyl substituents, which may be the same or different, also include ethyl, propyl, butyl and amyl.  The dimers are liquids of low viscosity, high boiling point, and low freezing point with a dielectric constant of about 2.5 at 100 cycles to 3 megacycles, and a power factor of less than .0001.  They are used as plasticizers for vinyl type resins, especially polystyrene, impregnants for capacitors, cable oils, heat-exchange liquids, transformer oils, and solvents.  In examples: (1) crude a -methyl p-methyl styrene is treated with 2 per cent activated floridin, at 100 rising to 141 DEG  C., for 5 mins., the dimer being separated by fractionation; (2) a -methyl p-ethyl styrene is treated with 4.6 per cent of the same catalyst, at an initial temperature of 180 DEG  C., for 63 mins. when the dimer is separated.
Patent GB-484872-A (GB)
Title: Improvements in or relating to shutter release mechanisms for photographic cameras
IPC: G03B9/58
Filed: 1936-10-31
Abstract: 484,872. Shutter - release means for photographic cameras. KODAK, Ltd. (Kodak Akt.-Ges.) Oct. 31, 1936, No. 22935/37. Divided out of 484,401, under which a Specification was laid open to inspection under Sect. 91 of the Acts, June 19, 1937. [Class 98 (i)] In a folding photographic camera in which the normal release trigger of the lens shutter is operable by mechanism from the camera body, the operating member external to the camera body is capable of being retracted manually and retained in retracted position when the camera is closed. The member may be automatically released on opening the camera. In one form, the release means comprises a rod 20, Fig. 1, carrying a forked plate 22, engaging a lug 15 on a plate 14 sliding on a shaft 16. The plate 14 has a tongue 17a engaging a slot in a lever 17 pivoted to the camera bed and having a projection 17d engaging the shutter lever. The plate 14 carries a projection 25 which when the camera bed is closed engages a catch plate 24 to hold the rod 20 in retracted position. The camera is provided with a self-opening device comprising a plate 7 on the camera bed 2 having brackets 8 carrying a cross-pin 9 surrounded by a spring 10 the ends of which bear on the bottom wall 12 of the camera body and on the camera bed 2. In a modified form of catch a lever is pivoted on the side wall of the camera body, one end engaging in a slot in the rod 20 when the camera is closed and the other end bearing against the catch member for holding the bed in closed position. The catch member is preferably conical so that the lever is automatically moved out of engagement with the rod 20 when the camera is opened. In a further modification, the operating lever 20, Fig. 8, moves vertically, the motion being transmitted by linkage 33, 34, 35b so as to produce lateral movement of a lever 35c engaging a lug 36 on the plate 14. The operating lever 20 carries a tongue 20b which engages in a notch 37 in the camera bed 2 when this is closed. Specification 484,401 is referred to.
Patent GB-1200677-A (GB)
Title: Improvements in or relating to a method for cleaning natural and artificial stone surfaces
Inventor: BOENIGER DAVID
IPC: C04B41/53
Filed: 1968-05-15
Abstract: 1,200,677. Cleaning buildings. D. BOENIGER [trading as DAVID BOENIGER, STEINREINIGUNG]. 15 May, 1968 [19 May, 1967], No. 22982/68. Heading A4F. [Also in Division C5] Natural and artificial stone surfaces are cleaned by treatment with an aqueous mixture containing an alkali metal hydroxide, a salt of the same alkali metal with a weak acid, a thickening agent and water, the contact time being at most such that the treating mixture is not allowed to dry on the surfaces, and thereafter washing the stone surfaces with water or steam. The preferred alkali metal hydroxide is that of sodium, and the preferred weak acid is acetic acid, although formic, propionic, lactic, citric, boric, carbonic, hydrofluoric, sulphurous, tetraboric, and phosphoric acids are also specified. The preferred thickening agent is potato starch, polyvinyl alcohol, or carboxy methyl cellulose. Other thickening agents specified are maize starch, wheat flour, maize flour, acacia gum, carragheen, tragacanth, guar gum, gelatin, agar, cellulose, ethyl, hydroxyethel, acetyl and benzyl cellulose, cellulose aceto butyrate or aceto propionate, polyacrylic acids and their sodium or potassium salts, and polymethacrylic acid.
Patent GB-244542-A (GB)
Title: A combined food container and cutting board
IPC: A47J47/00
Filed: 1924-09-30
Abstract: 244,542. Powell, W. J., and Powell, C. Sept. 30, 1924. Boxes combined with cutting boards; ventilating boxes; covers.-Relates to lidded food containers having cutting boards slidably arranged therein, and consists in the provision of ventilating means, means for retaining a sliding door in an elevated position, and in various constructions of containers with means for securing the containers to base members. A device having a number of cutting boards slidably arranged therein is also described. The ventilating means may comprise any or all of the following, (1) a hole in the rear end of the base covered with gauze or perforated metal and registering with a hole in the cutting-board, (2) an open rear end of the container covered by a frame carrying gauze or perforated sheet metal, (3) an end door consisting of a frame carrying gauze perforated sheet metal. The container 2, Fig. 1, is secured to the frame-like base 4 by straps 13, 22 provided with slotted bolt holes 15, 24, a pivoted catch member 41 being used, to prevent rear movement of the container, either in place of or in conjunction with the strap 13. Fig. 9 shows a modified construction of strap comprising two stationary side members 18 and a member 19 hinged to one of them and secured to the other by a wing nut and bolt. In a further modification, the bolts 14, Fig. 1, are replaced by a single stud and wing nut which is associated with a single slotted hole. The lid 8 may be supported in the raised position by a bent portion 25 of the strap 22 as shown in Fig. 1, or tongues may be pressed out of the strap to act in a similar manner. The door 8 may be supported in the raised position by ledges, screws, or pivoted catches suitably formed or mounted in the door guides. As shown in Fig. 13, the upper part 31 of the guide is pivoted so that the raised door may be pivoted about the pin 32 and retained with its lower edge resting on the top 33 of the stationary portion of the guide. The container may comprise a flat base portion and an inverted V-sectioned upper portion strapped thereto, which upper portion may have one or both ends open. In the latter case, the rear open end is closed by a detachable gauze or like covered frame which may be secured to the base by wing nuts. The device, in which a number of cutting boards are provided in a common container, has sides of framed gauze or perforated sheet metal, a solid base, and framed glass doors and front and rear ends. Rubber or like supporting studs 12 are provided. Specification 225,427 is referred to in the Provisional Specification.
Patent GB-586895-A (GB)
Title: Improvements in and relating to the manufacture of sintered metal products
IPC: C22C33/02
Filed: 1944-11-20
Abstract: In a process for the manufacture of a sintered body of iron or iron alloy powder and copper powder from a highly compressed mixture of the powders, the temperature of sintering is intermediate the melting points of the two metals and the duration of sintering is such as to ensure that a sufficient proportion of the lower melting-point metal is brought to the liquid phase to alloy with the iron and substantially eliminate voids.  The iron may contain alloying constituents such as nickel, manganese, chromium, carbon, silicon in amounts of not more than 5 per cent. by weight.  The powders are thoroughly mixed in a ball mill either dry or in a liquid such as acetone and are compacted at a pressure of from 20-50 tons per square inch, which may be applied before or during sintering.  After sintering the product may be mechanically worked.  As the alloy possesses age-hardening properties, the hardness and tensile strength may be altered by controlling the sintering temperature and also the rate of cooling which may vary from sudden quenching to slow cooling over a period of twelve hours.  The powders may contain one or both metals in the form of oxide, carbonate or chloride which is converted to the metal as by heating in a hydrogen atmosphere. As a specific example a mixture containing 25 per cent. copper was annealed at 600 DEG C. in a hydrogen atmosphere for one or two hours, compressed at 30 tons per square inch and sintered for two hours at 1130 DEG C.
Patent GB-854203-A (GB)
Title: Improvements relating to speed governors
IPC: F02D1/00
Filed: 1957-07-22
Abstract: 854,203. Fluid-pressure servomotor-control systems. GREEN, G. W. A., and FOX, G. B. April 8, 1958 [July 22, 1957], No. 23117/57. Addition to 788,546. Class 135. A speed governor as described in Fig. 3 of the parent Specification modified, as in Specification 838,533, by the provision of a pilot valve responsive to the pump pressure and controlling operation of the piston that actuates the torque controlling member of a prime mover is further modified by the provision of an adjustable stop for limiting the movement in the closing direction of the release valve 2 of Specification 838,533 to prevent stalling of the engine in the event of a substantial increase in load when the governor is set for low speed. Another modification, to give isochronous governing, consists in the connection of the spring p of Specification 838,533 to an orificed piston working in a closed cylinder. In another modification the connection between the valve 6 and rod 7 of the arrangement in Specification 838,533 is effected by a spring-loaded hydraulic link with a valve operable in response to an abnormal pressure or temperature, e.g. lubricating oil pressure or coolant or combustion temperature, to release pressure in the hydraulic link to allow the spring loading to move the valve 6 to or towards the stop position. To compensate for the effect of variations of temperature of the working fluid of the governor a thermostatic by-pass valve may be associated with the governor pump. Fig. 6 shows a further modification of the governor described in Specification 838,533 in which engine torque is limited as a function of engine speed by the provision of a stop for the spring p which assists the spring q in urging the pilot valve E to the left in opposition to the pressure of the pump 1. The spring p acts on the pilot valve E through an abutment 24a and rod 25a, and movement of the rod 25a to the left can be arrested by engagement of a shoulder thereon with an end face of a spring-loaded plunger 21a which is positioned in a cylinder 20a in accordance with the pressure in a chamber 23a. This pressure is related to prime mover speed, being the pressure between the valves 6, 15 corresponding to the valves bearing the same references in Specification 838,533. The plunger 21a controls ports in the wall of the cylinder 20a through which fluid flows in its passage from the valve 6 to the valve 15. In a modification of this last arrangement the plunger 21a, which may be differently situated, actuates a pilot valve by which a servopiston operating the stop for the spring p is controlled.
Patent GB-246888-A (GB)
Title: Improvements in or relating to baling presses
IPC: B30B9/30
Filed: 1924-10-01
Abstract: 246,888. Howard, Ltd., J. & F., and Steinmetz, A. B. S. Oct. 1, 1924. Baling-presses.-Relates to baling-presses for bundling hay, straw, rags, paper, &c. of the kind comprising a rectangular box with an opening at the top for the insertion of the material, fixed and movable platens for effecting the compression, and hinged doors for the removal of the compressed material, and consists in providing a shaft E, Fig. 3, above the press carrying figures E' which co-operate with cables F, F<1> and pulleys F<3>, F<2>, to cause vertical movement of the lower platen which is carried by the lower pulleys. The upper platen D is carried by rollers D<1> which enable it to slide transversely on hinged extensions A<5> of the angle bars A<4> to open the press at the top for the insertion of the hay &c. The box A and the hinged doors B may be formed of hydraulically pressed steel plates.
Patent GB-1286203-A (GB)
Title: Vehicle
Inventor: HIRAOKA M
IPC: B63B59/10
Filed: 1970-05-13
Abstract: 1286203 Endless track vehicles HITACHI METALS Ltd 13 May 1970 [16 May 1969 1 Aug 1969] 23265/70 Heading B7H A magnet vehicle comprises a central magnet which may be automatically adjusted vertically with respect to the vehicle to maintain a constant attraction force between the central magnet and the surface of an iron or steel body and there are further provided lateral magnets on both sides of the vehicle with endless belts wound around pulleys which are driven by motors mounted on the vehicle. In a preferred embodiment endless V-belts 1, 2, 11, 21 are wound around pulleys 3, 4, 5 and 6 on both sides of the vehicle for driving the vehicle over the surface 38. The V-belts are driven by motors driving the pulleys 3. Permanent magnets 151, are disposed in lateral frames 12<SP>1</SP> and have upper and lower heel pieces 17<SP>1</SP>, 181. Guide grooves 19, 19<SP>1</SP> recieve the V-belts 1, 2, 1<SP>1</SP>, 2<SP>1</SP>, on the upper surface of the frame 12, 12<SP>1</SP> and in the lower heel pice 18<SP>1</SP>. The guide pulleys 5 are resiliently suspended from the lateral frames 12, 12<SP>1</SP>. The central magnet 31 having a coil 32 is raised or lowered by a motor which is adapted to rotate the worm gearing 26, 27 which thus rotates the screw 29. The gap between the central magnet 31 and the structural surface 38 is maintained at a predetermined value by means of limit switches 37 for actuation of the worm wheel 27 in either direction according to the change of curvature of the surface 38. In another embodiment, Fig. 6, the central electromagnet is adapted for vertical movement by an air or oil pressure cylinder 107. A steering means 115 is provided and has a spur gear which engages a large gear fixed to the electromagnet 101. In order to change direction of the vehicle the electromagnet is lowered by means of compressed air admitted to the cylinder 107 to abut the surface 129 and to lift the driving belts 125 therefrom and the steering motor is activated to thus rotate the spur geararound the periphery of the large gear whereby the magnet vehicle can alter its direction of travel.
Patent GB-262540-A (GB)
Title: Improvements in and relating to electric heaters or vaporizers for use in vaporizing the charges of internal combustion engines
IPC: F02M1/00
Filed: 1925-09-18
Abstract: 262,540. Aske, L. E. Sept. 18, 1925. Vaporizers, external. - An electric heater situated in the carburettor or induction pipe comprises a heating element and an absorbent element arranged in contact with the major portion of the. heating element, a minor area of the heating element being left free from contact with the absorbent element. As shown in Fig. 3, one or more resistance wires 4, bent into one or more loops, are situated between pads 7 of asbestos or other absorbent material in a sleeve 10 carried by a screwed plug 1, the ends of the wires 4 being exposed at the outer end of the ;pads. The ends of each wire 4 are connected respectively to the plug 1 and to a central binding post 2. The end of the sleeve 10 is provided with a screen 11, and holes are provided in the sleeve and in the pads 7 for the passage of fuel or mixture. In a modification, the wires 4 do not.extend beyond the bottom of the plug 1, and the pads 7 are replaced by a porous refractory cement. In a further modification, a resistance wire 17, Fig. 10, is wound on a plate 16 of insulating material mounted in a casing comprising two telescoping sections 18 the sides of which are lined with absorbent pads. As shown in Fig. 18, the resistance wires 45 are star-shaped and are situated between pads 42, 43, 44 mounted on a binding post 38 insulated from, but carried by a plug 37. The heating element may be connected in parallel with the circuit of the starting motor of the engine.