baber/WOPTO huggingface dataset:
Patent GB-485804-A (GB)
Title: Improvements in and relating to props and shores
IPC: E21D15/36
Filed: 1937-04-12
Abstract: 485,804. Pit-props. LAMBRICK, F. April 12, 1937, No. 10322. [Class 20 (ii)] A prop comprises coaxial telescoping members 1, 3 and a locking collar slidable on one member 1 and adapted to abut against a projection 10 on the other member, the collar having an aperture 7 the axis of which is inclined with respect to the axis lying perpendicular to the plane of the collar. When in adjusted position the locking collar tilts so that two opposite edges 8, 9 of the inclined aperture lie in a plane at right-angles to the prop axis and bite into the sides of the tubular member I. A second similar or plane apertured washer 6 may be used above the locking washer to prevent accidental disengagement. To release the prop, the upper washer is turned to lie parallel to the locking washer, and a lever 15 with toe 16 is inserted between the washers and presses the locking washer out of engagement with the upper prop member.
Patent GB-466057-A (GB)
Title: Improvements relating to hand guards for the rotary cutters of wood working and other analogous machines
IPC: B27G19/02
Filed: 1936-04-08
Abstract: 466,057. Machinery guards. NEALE, E. W., and HANDLEY, A. H. April 8, 1936, No. 10326. [Class 80 (iv)] The danger zone of the vertical cutter b of a wood-working or like machine is normally guarded by a part-cylindrical guard d. When a work-piece e is pressed against a movable fence g connected by links h, i with a fixed fence f, the double link h, n is turned about a pivot x and a rack m, l in gear with a pinion k on a pivot pin secured to the guard d, is moved from left to right so that the guard is swung from right to left to expose the cutter. The bearing of the pin is in a circular extension of the fence f covering the cutter. In a modified construction, the link i and fence g are omitted, the place of the latter being taken by a curved abutment piece secured to the link h. If the pressure of the work-piece on the fence g or abutment piece be removed the guard is forced by a spring p or a weight to return to guarding position.
Patent GB-738683-A (GB)
Title: Improvements in colour photography
IPC: C08F16/02
Filed: 1953-04-15
Abstract: Vinyl hydroquinone may be polymerized, or copolymerized with acrylic or methacrylic acid, maleic anhydride, styrene, p-methyl styrene, 3 : 4-dimethyl styrene, vinyl naphthalene, or butyl acrylate or methacrylate, and vinyl methyl hydroquinone may be copolymerized with styrene in solution in 1 : 4-dioxane, a lower aliphatic hydrocarbon or ether or an aromatic hydrocarbon, using azo-bisisobutyro-nitrile as catalyst.  The same polymers may be prepared by deacetylation of the corresponding 2 : 5-diacetoxystyrene polymers which may be prepared in solution in 1 : 4-dioxane or benzene, using benzoyl peroxide as catalyst, deacetylation being effected by treating with methyl alcohol.  Polyvinyl gentisal is prepared by reacting polyvinyl alcohol with gentisaldehyde.  Polyacrylyl ascorbic acid is prepared by reacting polyacrylic acid anhydride with ascorbic acid in aqueous pyridine.  Gentisylaminostyrene-maleic acid interpolymer is prepared by reacting gentisaldehyde and aminostyrene-maleic acid interpolymer and reducing the product.  The polyamides from the salt of ethylene diamine and 2 : 5-dihydroxy-p-benzene diacetic acid and from the salt of ethylene glycol bis-(b -aminoethyl) ether and 2,5-dihydroxy-p-benzene diacetic acid are prepared by heating the salts under reduced pressure.  The salts are prepared by reacting 2,5-dihydroxy-p-benzene diacetic acid with ethylene diamine or ethylene glycol bis-(b -aminoethyl) ether in alcohol. Specifications 2562/13, [Class 98 (ii)], 524,154, 540,444, 541,589, [all in Group XX], 557,750; 557,802 and 670,457, [both in Group XX], are referred to.
Patent GB-954766-A (GB)
Title: Electric cables
Inventor: TOMICA ALOJZY
IPC: H01B7/285
Filed: 1963-03-15
Abstract: 954,766. Electric cables. STANDARD TELEPHONES & CABLES Ltd. March 15, 1963, No. 10365/63. Heading H1A. An electric cable consists of one or more insulated conductors surrounded by a metal tube which has a coating consisting of an insulating oil and a synthetic hydrocarbon wax between its outer surface and an extruded thermoplastic sheath. As shown in Fig. 1, paper insulated conductors 1 are enclosed by longitudinally folding either a plane or corrugated metal strip 2 which has a polythene coating on its inner surface around the core in such a way that the polythene coatings on the marginal edges 3 and 4 can then be bonded together. A layer of compound consisting of insulating oil mixed with between 15% and 60% by weight of synthetic hydrocarbon wax and rosin is applied to the outer surface 5 of the metal tube before polythene sheathing 6 is extruded around the compound coated metal strip.
Patent GB-108315-A (GB)
Title: Improvements relating to Periscopes.
Inventor: CARVALLO EMMANUEL
IPC: G02B23/08
Filed: 1917-07-18
Abstract: 108,315. Carvallo, E. March 2, 1915, [Convention date]. Periscopes. - The reflecting-surfaces take the form of curved mirrors, which, in addition to changing the path of the reflected pencil. constitute integral parts of the optical system designed to increase the field or the magnification. The arrangement shown by way of example in Fig. 2 consists of a concentrating lens L, placed between parallel convex and concave spherical mirrors M, M<1>. of which the mirror M gives in its principal plane for each distant point P a virtual image P<1>. The lens, at a distance therefrom of twice its focal length, gives a real image. P<1>, symmetrical with the virtual image. The second image is seen by the eve O in the mirror M<1>. which acts both as a reflector and as a magnifying element. The elements of the system are so chosen that aberrations due to the first mirror are compensated by those due to the second mirror, and a reference is given to a publication describing such calculations.
Patent GB-266931-A (GB)
Title: Endless band sieve of wire gauze particularly for paper making machines
IPC: D21F1/10
Filed: 1926-04-20
Abstract: 266,931. Elsenhans, A. April 20, 1926. Wire cloths.-Endless bands of wire gauze for use in paper-making, sifting, &c. machines have the warp threads made of non-rusting steel and the weft threads of a wire of lower quality. In the examples described, bronze may be used for the weft threads in combination with warp threads of chromium-nickel steel belonging to either the martensite or austenite groups, or warps threads of austenitic chromium-nickel steel may be used in combination with weft threads of martensitic steel. The Specification refers to various chromium, nickel steels, with or without additions such as tungsten, vanadium, copper, or molybdenum.
Patent GB-471872-A (GB)
Title: Improvements in or relating to stationery feed mechanism for imprinting machines
IPC: B41L47/24
Filed: 1936-03-11
Abstract: 471,872. Addressing-machines. SHERMAN, J. Q., and STANDARD REGISTER CO. March 11, 1936, No. 10430/37. Divided out of 471,868. [Class 100 (ii)] In an addressing or like series-printing machine, a listing strip is fed intermittently past the printing position by means of intermittently rotated wheels provided with pins for engaging holes formed in one or both margins of the strip at intervals substantially less than the feed-movement. In the addressing-machine shown in the Figure, a multiple strip 21 is fed over a table 1 by means of a feed-roller 20 comprising wheels 26, 29 provided with pins for engaging marginal holes 24 in the strip. The pins may be rigid or, as described in Specification 408,125, may be automatically projected and retracted. The feed-roller may be operated by the means described in Specification 471,868 and comprising ratchet-mechanism 61 operated by a rack 63 in connection with a rockshaft, provision being made for mounting the feed-roller at the front or side of the machine so that the strip can be fed forwardly or laterally. Specification 465,985 also is referred to.
Patent GB-139936-A (GB)
Title: Improvements in or applicable to artificial legs or feet
IPC: A61F2/50
Filed: 1919-04-28
Abstract: 139,936. Yearsley, H. April 28, 1919. No Patent granted (Sealing fee not paid). Limbs, artificial.-The movement of an ankle-joint, of the type comprising a block of rubber C, is limited by a special front check and rear tendon. The check comprises two side-bars D connected rigidly to the foot and carrying a cross-bar E at their upper ends. The cross-bar is encased in a brass or leather sleeve and passes through an elongated slot in the legs. The tendon comprises three members, the lower one being a U-shaped member H connected to the heel by a cross-pin, a a second comprising a chain link I, while the upper one comprises another U-shaped member G provided with bolts at each extremity on the upper side of a rubber block J faced on each side with a metal washer K.
Patent GB-569471-A (GB)
Title: Plastic film material
IPC: B29C70/22
Filed: 1942-07-29
Abstract: 569,471. Compound sheet materials. ARVEY CORPORATION. July 29, 1942, No. 10606. Convention date, Aug. 7. 1941. [Class 140] A laminated film material resistant to tearing consists of two plastic films 10 united to an intermediate fabric 12 formed of monofilamentous non- fibrous plastic strands intersecting each other to form an open mesh. The fabric may be braided, plain woven, or woven with crossed warp strands, as shown. The plastic in the film or fabric may be regenerated cellulose, cellulose esters or ethers, rubber hydrohalides, polystyrene, methacrylate compounds, polymerized vinyl chloride or acetate. The fabric may be made from strands of polyvinylidene chloride. The adhesive may be polyvinyl chloride or acetate, chlorinated rubber, rubber-resin compositions, cellulose esters or ethers, thermoplastic resins, gums or rubber compositions. The adhesive, films and fabric may be transparent or translucent and the film or the reinforcing fabric may be coloured. When thermoplastic films or fabrics are used, the laminated film may be given a set shape or fixed fold lines. The materials may be used for wrapping, packing containers, covering furniture, or as shades, or glass substitutes. The Specification as open to inspection under Sect. 91 comprises also the use as reinforcement of an apertured film, parallel spaced strips or strands, strips or strands arranged heterogeneously, or a fabric woven from strips of plastic material. Only one film may be used. This subject matter does not appear in the Specification as accepted.
Patent GB-566604-A (GB)
Title: Improvements in filtering devices of crimped or pleated or similar form
IPC: B01D46/52
Filed: 1943-07-01
Abstract: 566,604. Filters. YOKES, C. G., and SMITH, A. A. July 1, 1943, No. 10706. (Class 8 (ii)] A pleated filter especially for air &c. is protected and stiffened by external bars &c. 1 at the inlet side bends or by bars 1, 4 on both sides of the bends. The external bars may be united to form a grid; the internal bars may be riveted to the external bars.
Patent GB-1179468-A (GB)
Title: Improvements in or relating to Inflatable Dinghies or Life Rafts Incorporating Self-Closing Charging Fluid Valves
Inventor: MUHLING OTTO GOTTLOB
IPC: F16K15/20
Filed: 1967-03-07
Abstract: 1,179,468. Valves. H. SCHEIBERT, [trading as DEUTSCHE SCHLAUCHBOOTFABRIK HANS SCHEIBERT]. 7 March, 1967 [7 March, 1966], No. 10754/67. Heading F2V. An inflatable dinghy has a charging valve attached to it by clamping the skin of the dinghy between flanges 1a and 4, the valve comprising a spring loaded closure 3 which is opened by inflation gas from a liquified source, and outlet passages 9 formed from synthetic material, e.g. polyamide, each haying a discharge point remote from the body of the valve to delay freezing of the gas within the valve due to evaporation at the point of discharge. As described each passage has a diameter of 1À5 mm., and a length at least ten times the diameter, e.g. 20 mm. The passages can be formed in separate members, or in an annular member, Fig. 4, not shown, which can be separate from, or integral with, the body of the valve, Figs. 3 and 5, not shown. The body of the valve can be formed in a glass fibre-reinforced polyamide. In Fig. 5, a cone-shaped closure is made from synthetic material.
Patent GB-549697-A (GB)
Title: Improvements in or relating to furnaces fired with pulverized fuel
IPC: F23L17/00
Filed: 1941-08-26
Abstract: 549,697. Pulverized fuel burners. SMITH, D. J., and KENNEDY, D. S. Aug. 26, 1941, No. 10850. [Class 75 (i)] [Also in Group XXVI] Pulverized fuel, either alone or mixed with a small proportion of oil fuel, is fed by a screw conveyor d to passages h on the leading faces of the blades of a fan a rotating on the fuel-feed tube b and is discharged through slots h<SP>2</SP> in the passages h to mix with the air propelled through a convergent casing i into the furnace. Air may be supplied to mix with the fuel in the passages h by scoops k arranged behind slots a<SP>3</SP> at the backs of the blades. The fuel feed tube b is formed with one or more ports b<SP>2</SP> communicating with the passages h through ports a<SP>2</SP> in the fan boss a<SP>1</SP>. An iris diaphragm or other shutter device regulates the air entering the. casing i. The tube b may be moved axially at low speeds of the fan to restrict the delivery of fuel entering the passages h by means of a centrifugal governor, the end thrust of the fan, or a regulator controlled by the furnace temperature alternatively the fan blades may be pivoted on the boss a<SP>1</SP> and be turned against the resistance of springs at high speeds to decrease their pitch. This turning movement is arranged to vary the fuel port opening. In another construction the fuel is fed through radial ports in the boss of a multi-blade impeller for discharge with air from a tangential outlet in a volute impeller casing.
Patent GB-946228-A (GB)
Title: Improvements in or relating to electric couplings
IPC: H01R13/62
Filed: 1960-03-28
Abstract: 946,228. Hand contact-appliances. SPEMBLY Ltd., P. R. BAYLIS, and A. C. THORNE. Feb. 22, 1961 [March 28, 1960], No. 10871/60. Heading H2E. Connection to a surface X-X or a contact 17, carried thereby is effected by a coupling member comprising a contact 6 on the end of a rod 4 mounted in a suction cup 1. The rod is slidable in the cup and connected thereto by a resilient sleeve 8, so that when the cup is pressed on to the surface, the sleeve 8 pulls the rod and contact 6 into engagement with contact 17.
Patent GB-254663-A (GB)
Title: Improvements in or relating to a shuttle magazine for an automatic loom
IPC: D03D43/00
Filed: 1926-04-24
Abstract: 254,663. Toyoda, K. April 24, 1926. Shuttle-changing mechanism.-To ensure that full shuttles are correctly inserted into the supply magazine 1, interconnected levers 2, 6 are pivoted in the wall of the magazine. If a shuttle A is correctly inserted, it forces out the levers 2 against the action of springs 4 and so removes the projections 5 on the levers 6 from its path. If a shuttle A<1> is put in on its side, it does not actuate the levers 2 and is therefore held up by the projections 5.
Patent GB-596673-A (GB)
Title: Improvements in and relating to couplings for pipes and tubes
IPC: F16L19/04
Filed: 1945-04-30
Abstract: 596,673. Pipe joints. CHAMPION. W. R. April 30, 1945, No. 10926. [Class 99 (i)] In a pipe coupling for ductile metal pipes 1, 2, each pipe end is formed with a swaged collar 2b and a tapered spigot end which is inserted in a coupling member 3 having sharp-edged abutments 4a which, when the coupling is tightened by screwing a compression member 5 on to the coupling member, penetrate the surface of the tapered spigot, Fig. 6, and ensure a fluid-tight joint. In a modification, the abutments are formed integrally with a coupling member which is internally threaded to receive externally-threaded compression members. In another modification, the coupling member is internally threaded over its whole length and the abutments are provided on a short sleeve which is screwed to a central position in the sleeve. In another modification for use in elbow couplings, the ends of the elbows are supplied with fittings similar to the end fittings in Fig. 1.
Patent GB-1383135-A (GB)
Title: Cartridge ammunition
IPC: F42B5/073
Filed: 1973-03-06
Abstract: 1383135 Cartridge cases DYNAMIT NOBEL AG 6 March 1973 [7 March 1972 5 July 1972] 10927/73 Heading F3A A round of ammunition comprises a cartridge case 1 provided with balls or pins 3 which prevent the cartridge case being inserted completely into the muzzle of a weapon barrel 2 until a shell 20 is assembled therewith. As the shell is inserted into the mouth of the cartridge case it displaces a sleeve 8 rearwardly against the action of a spring 9 and the balls or pins 3 latchingly engage in an annular groove 21 in the shell to secure the shell and to permit the assembly to be pushed into the muzzle. An annular line of weakness 12 is provided in the cartridge case and the forward part of the case that accompanies the shell when fired either remains attached to the shell or drops off in flight. Radial ports 13 and 15 and lines of longitudinal weakness (not shown) in the cartridge case allow pressure equalization of the propellant gases.
Patent GB-139681-A (GB)
Title: An improved device for stripping the teeth of circular saws
IPC: B23D63/00
Filed: 1919-05-02
Abstract: 139,681. Loudon, W. May 2, 1919. Saws.-A tool for dressing or equalizing the length of the teeth of circular saws comprises a bracket a adapted to rest on the saw frame B and carrying a distance-piece b and a part c, which is pivotally mounted on the bracket by means of a bolt d and angularly adjustable to positions determined by a thumb-screw i and holes h. A slot is formed in the underside of the part c adapted to hold a file or other dressing-medium f which is adjustably secured in place by a screw g; the slot is made in two parts at right-angles to each other, one part receiving the file &c., and the other part being adapted to receive the teeth of the saw. In operation, the saw is revolved and the device is pressed by hand against the teeth.
Patent GB-1035035-A (GB)
Title: Implosion protective device for cathode-ray tubes
IPC: H01J29/87
Filed: 1963-03-20
Abstract: 1,035,035. Cathode-ray tubes. TELEFUNKEN PATENTVERWERTUNGSGELLSCHAFT. March 20, 1963 [March 21, 1962; June 19, 1962; Feb. 2, 1963], No. 11040/63. Heading H1D. [Also in Division B5] An implosion protection device for a cathoderay tube 1 comprises a rigid frame made up of a metal part 2a joined at flanges 3a, 3b to an insulating part 2b which may be of plastics material, the space between the frame and the tube being occupied by a filling compound 4. Alternatively, the part 2b may be of metal with a plastics coating on its outer surface, applied for example by the whirl-sinter process. In this case the frame may comprise a single pre-shaped metal part. In another modification the front part of the frame is covered with a layer of plastics foil secured thereto by a vacuum-application process, which may be facilitated by providing small holes in the surface of the frame to be covered. Additionally the foil may cover the viewing window of the tube, Figs. 2 and 3 (not shown), and may be stained and finished to provide a filter action and anti-reflection effect. Fig. 4 shows another modification in which the frame has two metal parts 44, 45, the former being covered by an insulating (plastics) cap 48 which bears on the front disc 42 of the tube (when provided) and which is secured to the flange 47 by a number of circumferentially-disposed resilient clips 50. The disc 42 may be of plastics foil whose outer surface is finely ribbed, stained and finished. The insulating cap may be used to cover a one-piece metal frame similar to the part 2a of Fig. 1 but without a flange, Figs. 5 and 6 (not shown).
Patent GB-1121089-A (GB)
Title: Process and apparatus for drying damp sheet material
IPC: G03D15/02
Filed: 1966-03-14
Abstract: 1,121,089. Drying sheet materials. VAN DER GRINTEN N.V. 14 March, 1966 [24 March, 1965], No. 11064/66. Heading F4G. [Also in Division G2] In apparatus for drying damp sheet materials, e.g. photo copies, the sheets pass between endless belts 4, 9 and belts 9, 12 moving in the same direction about rollers 5 ... 8; 10, 11; and 13 . . . 16 respectively, whilst being heated by stationary air heated boxes 17, 18 and 19. The belts are formed of material of low vapour absorbency and high heat resistance and the surface of the belt is uniformly covered with thin elastically flexible hairs, e.g. of nylon plush.
Patent GB-854409-A (GB)
Title: New cyclopentanophenanthrene derivatives and process for the production thereof
IPC: C07J1/00
Filed: 1957-01-25
Abstract: The invention comprises compounds of the formula : <FORM:0854409/IV(b)/1> wherein R1 is hydrogen or acyl and R2 is lower alkyl of up to 6 carbons, and their preparation by treating the corresponding 2-unsubstituted compounds with ethyl formate in the presence of sodium hydride and if required esterifying the resulting 2-hydroxy-methylene compound.  The reaction is preferably effected in benzene under nitrogen, and specified products include 2-hy-droxymethylene-17a -methyl and ethyl-androstan17b -ol-3-ones and their 2-acetate, propionate, cyclopentylpropionate and benzoate esters.
Patent GB-847013-A (GB)
Title: Fuel element composition and process of making same
IPC: C01G56/00
Filed: 1958-04-09
Abstract: 847,013. Nuclear fuel elements. UNITED STATES OF AMERICA ATOMIC ENERGY COMMISSION. April 9, 1958 [June 4, 1957], No. 11192/58. Class 39(4). A nuclear reactor fuel element is formed of a solid solution of uranium oxide in plutonium oxide. The fuel is in the form of pellets contained in a stainless steel tube closed at each end with a stainless steel plug with a magnesium oxide insulating pellet between the fuel and each closed end. A helium atmosphere is established inside the tube. The oxides are formed by the precipitation of ammonium diuranate and hydrated plutonium dioxide from a solution of uranium nitrate hexahydrate, plutonium nitrate and acetone by ammonia. The precipitation is heated in an atmosphere of hydrogen and the resulting calcined material crushed.
Patent GB-1498015-A (GB)
Title: Devices for monitoring the operation of electric circuits
IPC: H05B37/03
Filed: 1975-03-13
Abstract: 1498015 Lamp failure indicators GEC-ELLIOTT TRAFFIC AUTOMATION Ltd 13 March 1975 [13 March 1974] 11200/74 Heading G4N  In a device for monitoring an AC circuit for differentiating between first and second impedance, conditions, the instantaneous value of the current is gated out at G1 by means of a strobe pulse m arranged to occur at a time in each cycle when the current waveform is substantially different in the first and second conditions. The invention is applicable to detecting failure of tungsten halogen lamps L in a traffic light system. Each lamp L is fed via a step-down transformer T; waveforms b and a of Fig. 2 showing the current respectively in first and second conditions. A strobe pulse d is derived by a monostable m triggered at 90 degrees by a phase shifter P. Circuits G1 ... G3 are arranged to produce a constant current pulse at the time of the strobe m in the event of failure of the respective lamp L. The sum of the pulses across R5 is compared in the differential amplifier C with a constant current from G, the circuit being arranged so that capacitor Q is only charged if the number of failed lamps is greater than a predetermined number which may be O. The voltage across capacitor Q is passed by a driver D to energize a control relay S which switches off power to the traffic light system in the event of such a failure.