baber/WOPTO huggingface dataset:
Patent GB-1380937-A (GB)
Title: Photographic products and processes
IPC: G03C8/48
Filed: 1971-12-21
Abstract: 1380937 Photographic material POLAROID CORP 21 Dec 1971 [28 Dec 1970] 59366/71 Heading G2C A photographic diffusion transfer product comprises a photo-sensitive layer, a transparent outer layer through which the photo-sensitive layer can be exposed, an image receiving layer, a processing composition capable of being spread through the product and an opacifying system capable of being spread between the transparent outer layer and the photo-sensitive layer, and in which the transparent layer and/or a layer between it and the photo-sensitive layer contains a chemical system that initially has a light absorbing capability insufficient to reduce substantially transmission of incident light through it to the photo-sensitive layer during photo-exposure but sufficient to prevent transmission of light along the product from an area where the opacifying system has been spread to an area where it has not been spread, and in which the light absorbing capability of the said chemical system is reduced upon contact with the processing composition. Preferably the chemical system is an antihalation dye and the product is a black-and-white or multi-colour tripack material.
Patent GB-1419860-A (GB)
Title: Telecommunication cables
IPC: H01B7/288
Filed: 1973-12-21
Abstract: 1419860 Filled cable PHILLIPS CABLES Ltd 21 Dec 1973 [29 Dec 1972] 59577/73 Heading H1A A telecommunication cable 1 comprises a multiplicity of plastics-insulated conductors 2, a waterproof sheath 5, enclosing the insulated conductors and, filling all the interstices contained within the waterproof sheath is a water-impermeable medium 6 consisting. of petroleum jelly and particulate siliceous material substantially uniformly distributed throughout the petroleum jelly. The petroleum jelly includes the synthetic type, naturally occurring petroleum jelly or a mixture of these two materials. The particulate siliceous material  consists of particle size preferably between 7 and 14 nÁ, in an amount, e.g. 2% to 4% by volume or 1 to 6% by weight based on the petroleum jelly. Particulate siliceous materials include diatomaceous earth and colloidal silica such as CAB-O-SIL (Registered Trade Mark) and are preferably in chain-like, leaf-like or ring- like forms. A liquid vehicle such as polybutene, or isotactric polypropylene could be used for the siliceous material to increase the ability of the petroleum jelly to adhere to the conductor insulation and/or cable sheath. The water-impermeable filing medium may include additives such as metal deactivators and oxidation inhibitors.  The dielectric 3 is preferably cellular polyethylene or polypropylene. The waterproof sheath may be metallic or an extruded body of plastics material. Between the core of insulated conductors 2 and the waterproof sheath 5 there may be provided a metallic or plastics coated metallic tape 4 and at least one layer of insulating paper or plastics material.
Patent GB-1207626-A (GB)
Title: Traffic control apparatus
IPC: G08G1/08
Filed: 1967-12-11
Abstract: 1,207,626. Traffic control systems. E. W. BLISS CO. 11 Dec., 1967 [24 March, 1967], No. 60040/68. Divided out of 1,207,625. Heading G4Q. The Specification contains the same subject matter as that of Specification 1,207,625, but the claims are for a traffic control system comprising a computer having alternative computing and holding modes of operation, said computer having input signals from a traffic detector and normally (in its computing mode) producing an output signal which is the average of a number of input signals; if the output signal reaches a threshold value it is held at this point and subsequently the computer is switched back to its computing mode.
Patent GB-604771-A (GB)
Abstract: 604,771. Ticket-issuing machines. CLAYTON DEWANDRE CO., Ltd., and BOWMAN, A. Sept. 4, 1945, No. 22732. [Class 106 (iii)] In a ticket printing and issuing machine the operation of a fare value setting-device excercises pressure for partially rotating a feed disc until the setting device is stopped by entering into engagement with co-operating means carried by the feed disc. The movement of the feed disc causes a pawl to actuate a ratchet wheel through which the movable printing element is adjusted to a position in accordance with the operation of the fare value setting devices. Fare setting keys 1a ...1d are shaped at their lower ends to co-operate respectively with three co-axial rollers 6 and a projection 10 on a so-called feed disc 4, rotating this disc different amounts according to the key depressed. The movement is arrested, in the case of keys 1a, 1b, and 1c, when the vertical edge of a key meets the surface 9 of a bar 11 ; key 1d rocking a member 22 to engage a projection 10 on the feed disc, is stopped when the edge 25 engages a roller 7. The movements of the disc 4 are transmitted to a ratchet wheel 16, fixed to the print wheel shaft 3, by a pawl 15. Specification 397,889 is referred to.
Patent GB-681205-A (GB)
Abstract: 681,205. Fumigating. CHAPMAN, C. L. J. Jan. 30, 1951 [Jan. 30, 1950; Sept. 5, 1950], Nos. 2383/50 and 21904/50. Class 81 (i). A device for disseminating the gases, vapours, and/or aerosols of diffusible substances comprises an annulus consisting of, or adapted to carry the diffusible substance, being of such dimensions as to be supportable round a bulb, lamp or similar source of heat with its axis vertical and so as to lie in the upwardly flowing air circulating round the source of heat; and deflector means on or connected to said annulus, located above and adjacent the annulus, and having a part thereof arranged so as to be radially oblique to the axis of the annulus, so as to divert the ascending air with the gases &c. which it bears outwardly away from the central area of the annulus and from the source of heat. The annulus may be in the form of a solid or cellular body of diffusible substance, an absorbent carrier, or an annular metal or other channel adapted to receive the diffusible substance in liquid or solid form. An absorbent carrier may be formed wholly or partly of charcoal, kieselguhr, or ceramic material, or may be of glass fibres wound on itself in tubular form or formed into superimposed sheets of matted or woven material. A metal carrier may comprise a perforated, corrugated, or dimpled ring, formed of sheet or gauze. The substances which may be diffused include D.D.T., benzene hexachloride, azo.benzene, hexaethyl tetraphosphate, chlorinated camphene, methoxychlor, iodine, menthol, thymol, triethylene glycol, camphor, paradichlorbenzene, and 9-naphthoxyacetic acid. According to one modification, Fig. 3, an annular carrier 16 is arranged in a two-part interfitting metal case 2, 3. The lower part 3 is provided with air-entering ports 17 and air also enters through an annular port 8 between its inner flange and the bulb. The roof 9 of the upper part 2 forms the deflector and its inner flange 13 fits closely round the metal cap of the bulb and the outwardly deflected air passes through openings 14. This form may be modified by replacing the part 9 by a flat roof to the part 2 provided with vertical discharge ports, an outwardly flared deflector being arranged coaxially above the casing. In another modification, Fig. 5, a frusto-conical tubular body 19 terminates at its lower end in an outwardly extending annular channel 20 open at its upper edge, and terminates at its upper end in an upwardly and outwardly flared deflector 22. Where the diffusible substance is not in liquid form, rows of inlet holes 23, 24 and 25 may be provided. This form may be modified by making the deflector 22 a telescopic fit to the body 19. In yet another modification, Fig. 7, a porous annular carrier 16 is placed immediately around the neck of an electric light bulb and is furnished with a deflector 22. Specification 655,287 is referred to.
Patent GB-2007255-A (GB)
Title: Hydropyrolysis of Coal
IPC: C10G1/00
Filed: 1978-10-24
Abstract: Finely divided coal is heated in the presence of hydrogen (e.g. at 750-950 DEG k) and up to 150 bar and the volatile products, without cooling or condensing, are then subjected to cracking at a temperature above the carbonization temperature (e.g. at 950-1180 DEG k), in the absence of catalyst, and in the presence of hydrogen. The products of the process are a mixture comprising benzene, methane and ethane and a reactive char which can be gasified.
Patent GB-2010797-A (GB)
Title: Recovering NH3 loss from urea.
IPC: C05C5/00
Filed: 1978-12-19
Abstract: Loss of ammonia from urea due to hydrolysis in the soil is reduced by applying the urea in association with certain salts, oxides and/or hydroxides, e,g. of iron and/or aluminium. The association is preferably a mixture of urea and a complex or addition salt of urea with the iron or aluminium salt, containing at least one molar proportion of metal per 40 molar proportions of urea, However, a physical mixture of urea and a salt or oxide can be applied directly to the soil and the complex formed in situ in the soil. The use of iron and aluminium salts, oxides or hydroxides gives better results than when salts of other metals are used.
Patent GB-2013333-A (GB)
Title: Co-ordinate switching systems
IPC: H03K17/969
Filed: 1979-01-25
Abstract: The system comprises a member 1 in which light transmission tracks extends along a number of rows 3 and along a number of columns 2. At one end of each track there is provided a light source 4 and at the other end of said track there is provided a light detector 5. A spring-biased pin 6 also Fig. 2 and 3 not shown, movable substantially perpendicularly to the tracks, is provided at each point of intersection of the tracks and is provided with two openings which are positioned so that with the pins in one position the openings are coaxial with the associated track of the columns and in a second position of the pin the tracks are blocked by the body of the pin. <IMAGE>
Patent GB-2045434-A (GB)
Title: An ultrasonic imaging system
IPC: G01S15/89
Filed: 1979-03-21
Abstract: A scene is irradiated with ultrasound by a transducer 2 and the reflected sound received by an image converter tube 4, and an image displayed on a TV display 10. Programmable stepped frequency oscillators 1 and 6 are controlled so that the beam current of the tube 4 is modulated at a frequency which is varied in step with, but differs by a set amount from, the ultrasound frequency so that the scene is irradiated with different frequencies from frame to frame (or line to line) of the TV display. Mixing of the ultrasound frequency with the beam modulation frequency occurs and an amplifier and band-pass filter 7 selects the sum or difference frequency component. Thus the signal fed from the amplifier 7 to the display has a constant bandwidth. A delay 13 may be provided to compensate for the transit time of ultrasound from the transducer 2 to the scene. An averager 13 may be provided to average several frames before display. <IMAGE>
Patent GB-2049533-A (GB)
Title: Forming an article from plastics materials
IPC: B29C51/14
Filed: 1979-04-11
Abstract: A method of forming an article from thermoformable sheet plastics material comprises vacuum drawing or pressure moulding such sheet material in contact with an open layer of reinforcement material such that the plastics material and the reinforcement material become firmly secured to each other.
Patent GB-2038429-A (GB)
Title: Differential Gearing
IPC: F16H48/22
Filed: 1979-07-12
Abstract: A drive axle having a bevel-gear differential gearing with means to restrict the differential action comprising a clutch 31 and a pump 30 arranged at the side of the differential gearing and located between it and a drive shaft. The pump 30 supplies pressure to engage the clutch 31 when there is differential action. <IMAGE>
Patent GB-2029134-A (GB)
Title: Variable frequency dimming for high intensity gaseous discharge lamps
IPC: H05B41/39
Filed: 1979-07-09
Abstract: A dimming network for an HID lamp 10 includes a variable frequency generator 14 for increasing the effective impedance of a ballast 12 connected to the lamp and thereby reducing the current therethrough for the same applied voltage level. Preferably, the ballast 12 is primarily inductive so that increasing the frequency reduces the lamp current. The generator 14 may include a switching circuit producing a square wave output. <IMAGE>
Patent GB-2034488-A (GB)
Title: Stationary light source electrophotographic copier
IPC: G03B27/54
Filed: 1979-07-27
Abstract: A stationary light source electrophotographic copier wherein collimated light from the source is directed to a scanner having upper and lower document illuminating reflectors comprising thin members of negligible mass maintained under tension. The lower reflector includes a plurality of generally horizontal slats disposed in a generally vertical array. Heat from the stationary light source is used to dry or fix copies.
Patent GB-2026995-A (GB)
Title: Closure Caps
IPC: B65D39/00
Filed: 1979-07-30
Abstract: A reusable closure cap for sealing a vial comprises a rigid tubular screw- type cover (10) having as an integral part thereof a relatively soft, highly elastic stopper (12) bonded at its top to the interior of the closed top end of the tubular cover. The elastic stopper has its top and a lower portion both larger in diameter than the inside diameter of the top opening of the vial (16), so as to enable an air and liquid tight seal. The bonding of the stopper to the cover and the sealing of the vial are both accomplished by: seating the stopper into the top of the vial, applying an adhesive (14) to the top of the stopper, and screwing down the cover over the vial and stopper. An embodiment of the stopper and the sealing method is adapted for freeze- dry technology. <IMAGE>
Patent GB-2055657-A (GB)
Title: An attachment for reducing concentrations of ozone at an electric arc
IPC: B08B15/04
Filed: 1979-08-01
Abstract: An attachment for an electric arc torch, for welding (e.g. MIG), cutting or hard surfacing, comprises first and second spaced tubular hoop-like members 1,2. Each member 1,2 has a plurality of orifices which communicate with a suction pump. A wire mesh extends across and depends from the member 2 to form a skirt 9. When operatively attached to a torch 15, the skirt 9 surrounds the arc generated during a working operation. The skirt 9 retains flying sparks and reduces the reflection of ultraviolet radiation from the arc thereby reducing the formation of ozone. Any ozone formed is sucked into the members 1,2 via the orifices. <IMAGE>
Patent GB-2027960-A (GB)
Title: Portable travel expense tabulator
IPC: G06Q30/04
Filed: 1979-08-06
Abstract: A portable travel expense tabulator having the appearance of a conventional electronic hand-held calculator has a keyboard including a set of numerical input keys and a set of expense designating input keys. The device also includes a paper tape supply and takeup and a print-out device. By pressing appropriate numerical keys and an expense key, one can print on the tape the symbol for the type of expense along with the dollar amount. A summation of the expenses is carried in an electronic memory. Additional inputs include an exchange rate designator which can be preset at a monetary exchange rate. Local currencies are keyed in by the numerical keys and are converted to dollars before print-out. Also, mileage expenses may be computed and printed by mileage and cents-per-mile inputs. Dates may also be printed on the tape by means of the keyboard input.
Patent GB-2064619-A (GB)
Title: Rock bit and drilling method using same
IPC: E21B10/567
Filed: 1979-09-06
Abstract: An earth boring rock bit comprises a bit body and a plurality of rolling cone cutters (11) mounted on the bit body, the rolling cone cutters each comprising a plurality of tungsten carbide inserts including a plurality of gage inserts (33) for drilling adjacent the peripheral wall of the hole being drilled. The gage inserts (33) on each rolling cone cutter are formed of primarily tungsten carbide particles sintered with a matrix of nickel in the range of from about 3 to 20% by weight of the composite and preferably in the range of from about 6 to 16% by weight. If desired the gage row of inserts can be formed with up to about 1/3 by weight tantalum carbide substituting for a portion of the tungsten carbide. Such a rock bit is particularly useful for drilling geothermal wells where the gage inserts are subjected to high temperatures and severe erosion and corrosion. <IMAGE>
Patent GB-2030667-A (GB)
Title: Wheel brake cylinder
IPC: F16D65/54
Filed: 1979-09-20
Abstract: A wheel brake cylinder (9) includes a piston (4) guided on a pin (3). To compensate for friction lining wear a friction ring (2) is arranged on the pin (3) and held captive in a recess (1) of the piston (4). The piston (4) is able to move relative to the ring (3) by an amount (L) equal to the desired brake play. When the brake play exceeds the distance L, actuation of the piston (4) causes the friction ring (2) to be moved along the pin (3) in order to reduce the brake play to distance L. The friction ring (2) is a slotted plastically-deformable ring which initially has an external diameter sufficiently small to allow it to be arranged in the recess (1). The ring is expanded by temporary insertion of a fitting pin (not shown) into it so that the ring is held captive in the recess (1). Finally, the piston, with ring inserted, is pushed on to pin 3, so that the ring is held frictionally thereon. <IMAGE>
Patent GB-2059490-A (GB)
Title: Stud and socket fastening
IPC: F16B21/00
Filed: 1979-09-26
Abstract: A coupling for connecting one end of a strap to a musical instrument or other body consists of a post 16 fixed to the instrument and a catch 18 fixed to the strap and cooperable with the post. The post 16 has an enlarged head 20 which is movable laterally into and out of a cavity 38 in the catch. When the post head is received in the catch cavity the end 56 of a spring biased plunger enters a central opening 28 of the post 16 to prevent the catch and post from moving laterally out of assembly, while nevertheless permitting the catch and the associated strap to pivot or swivel relative to the post. The plunger is movable by hand out of the path of the post head during connection and disconnection of the post and catch relative to one another. The strap has an aperture passing over the shank of the catch part 18 and is held in position by a clamping nut 70. <IMAGE>
Patent GB-2036065-A (GB)
Title: Solvent Cleaning Composition
IPC: C11D7/32
Filed: 1979-11-28
Abstract: A cleaning composition for the removal of fluxes comprises the azeotropic mixture of 1,1 ,2-trichloro- 1,2,2-trifluoroethane and a lower aliphatic alcohol together with a substituted amine having at least one hydroxyalkyl, hydroxyalkylene or hydroxyalkoxyalkyl substituent attached to the amine nitrogen atom.
Patent GB-2039232-A (GB)
Title: Method of bonding urethane formulations to rubber
IPC: C08J7/046
Filed: 1979-12-05
Abstract: The invention relates to a method wherein uncured urethane formulations are bonded to a cured rubber or synthetic rubber substrate in such a manner so as to provide greater bonding strength than has been achieved previously in urethane formulation bonding to rubber or synthetic rubber. The substrate is cleaned, a coating of a cyanoacrylate adhesive is applied, followed by a liquid or paste urethane formulation while the adhesive is still wet, and then the urethane is cured.
Patent GB-2041292-A (GB)
Title: Formed parts made of a combination of thermo-formable double sheet and a thermo-formable sheet of cross-linked polyethylene foam
IPC: B29C55/00
Filed: 1980-01-11
Abstract: The invention relates to moulded articles made from thermoplastic double sheets with stays in which at least one of the visible surfaces of the thermoplastic double sheet is covered by a thermoformable cross-linked polyethylene foam sheet which is formed so as to reproduce exactly the shape of the die. If desired, the side of the foam of the moulded article can also be provided with a decorative layer. <IMAGE>
Patent GB-2046295-A (GB)
Title: A slurry detergent
IPC: C11D7/06
Filed: 1980-03-05
Abstract: A slurry detergent comprises the following components:  Components                                   Wt. %  water                                               25.0 to 80.0 a water dispersible cross-linked interpolymer   of a monomeric polymerizable alpha-beta   monoolefinically unsaturated lower aliphatic  carboxylic acid, and a polyether of a polyol    having 1 to 4 mono-saccharide units or a    reduced derivative thereof in which a  carbonyl group is converted to an alcohol    group, and pentaerythritol, the hydroxyl    groups of said polyol being etherified such    that the polyol has at least two allyl or methallyl ether groups per molecule                 0.1 to 3.0  sodium or potassium hydroxide dry basis              2.5 to 25.0  a non-ionic surfactant                                 0 to 12.0  a polyphosphate                                        0 to 30.0  a polyacrylate or polymethacrylate salt, dry basis   0.2 to 4.0  an anionic surfactant                                  0 to 10.0  an optical brightener                                  0 to 2.0  a crystalline sodium aluminosilicate zeolite           0 to 30.0  sodium carboxymethylcellulose                          0 to 2.0 with the proviso that at least one of a non-ionic or anionic surfactant is present.
Patent GB-2047495-A (GB)
Title: Delayed-action warning control circuit
IPC: G01F23/36
Filed: 1980-03-06
Abstract: The invention relates to a delayed- action warning control circuit, in particular of a type intended to be connected in series with a warning device such as a warning light and a contact for detecting a threshold level of a liquid, such as a fuel. The control circuit has two terminals between which are connected a capacitor in series with a resistor. Control means monitor the voltage across the capacitor and short-circuit said terminals if the monitored voltage exceeds a predetermined value. <IMAGE>
Patent GB-2071135-A (GB)
Title: Gas phase coal extraction
IPC: B01D11/02
Filed: 1980-03-11
Abstract: In the gas phase extraction of carbonaceous substances, with a solvent containing alkyl-substituted aromatics, the solvent can polymerise, causing a loss of effective solvent, a fraction containing the polymerised solvent is separated from the extraction products and then hydrocracked before recycling it with the remainder of the recovered solvent.
Patent GB-2044850-A (GB)
Title: Cylinder intake valve slide for an internal combustion engine
IPC: F01L7/06
Filed: 1980-03-14
Abstract: The valve slide provides closure on the combustion chamber side of 3 the air passages 1 disposed in the cylinder head 8 and comprises a relatively thin valve disc 2 formed with apertures which in the closed position of the valve slide are concentric with the air passages and have a greater diameter than the respective air passages. A closure plate 10 which is rigid as compared with the disc 2 is disposed in each aperture with a peripheral gap 9, the disc is welded to each closure plate by way of a respective connecting element 11 to provide a gas-tight connection which may yield resiliently in response to thermal expansion 1 and each closure plate is in heat-conductive contact by way of its edge with the surface of the cylinder head when the valve slide is in its closed position. <IMAGE>
Patent GB-2046227-A (GB)
Title: Cap for a container and method of and mould for making the cap
IPC: B29C37/00
Filed: 1980-03-24
Abstract: Caps for aerosol containers are normally fitted between the rim and domed top thereof. An aerosol cap 10 is in the form of a cylinder, open at one end, with an external flange 12 adjacent to, but spaced from the open end whereby, in use, the rim of the container is covered by the flange. Also disclosed are a mould and moulding method suitable for use in producing an article such as the cap by injection moulding, the mould being diameterized by article stripping means (261, Figs. 3-5 (not shown). <IMAGE>