baber/WOPTO huggingface dataset:
Patent GB-304226-A (GB)
Title: Improvements in and connected with the manufacture and production of road surfacing materials or compounds
IPC: C08L95/00
Filed: 1927-10-14
Abstract: 304,226. Johnson, J. Y., (Amiesite Asphalt Co. of America). Oct. 14, 1927. Right to Patent relinquished. Bituminous compositions. - A process for making a road composition consists in coating mineral aggregate with a bitumen-liquifier, such as kerosene, naphtha, or gasolene containing a partly-neutralized oil-soluble organic acid and adding a normally-solid bituminous binder in the hot state and lime to the cold aggregate. In an example, from 5 oz. to 1 Ib. of oleic acid or sulphonated oil partly neutralized with ammonia is added to 1¢ gallons of kerosene or naphtha and the solution is applied to 1900 lb. of stone, which may be crushed limestone not thoroughly dry. With this cold aggregate 80 to 120 lb. of melted asphalt, such as Mexican oil asphalt, is incorporated and 6 to 10 lb. of hydrated lime is added and thoroughly distributed. The oleic acid or sulphonated oil may be added to the aggregate separately. When aggregate which is difficult to coat, such as flint, chert, silica rocks or pebbles, is used, free fatty acid and paraffin wax, or candle tar or pitch which is a distillation residue from the manufacture of fatty acids in candle making, may be added to the bituminous binder. Sandy fines may be added to help seal the surface but not enough to fill the voids. Specification 280,011 is referred to.
Patent GB-1191657-A (GB)
Title: A High-Strength, Weldable Constructional Steel
Inventor: JARLESBORG HOLGER
IPC: C22C38/04
Filed: 1967-06-15
Abstract: 1,191,657. High strength steel. FAGERSTA BRUKS A.B. June 15, 1967, No.27684/67. Heading C7A. A high strength, tough, at least substantially pearlite free, low alloy steel, comprises:- C 0À01 - 0À04% Mn over 2À5% up to 6% Si up to 1% acid soluble Al 0 - 1% one #Nb# or #V#0À01 - 0À2% each, more #Zr# the balance, apart from impurities, being iron.
Patent GB-1030197-A (GB)
Title: Nitroso derivatives of a sulphor bridged phenolic compound
Inventor: HYND ALEXANDER
IPC: C08K5/375
Filed: 1963-07-12
Abstract: The invention comprises a nitroso-derivative of 4,41 - thiobis - (2 - t. - butyl - 5 - methylphenol), such compound being prepared by reacting the thiobisphenol with HNO2 or NO2. Metallic salts of the nitroso-compound are also claimed, the Na salt being specified.ALSO:Plastic materials and rubber, and especially polyolefins such as polythene, are compounded with a nitroso-derivative of 4,41-thiobis-(2-t.-butyl-5-methylphenol) or a metallic salt, e.g. the Na salt thereof, this compound acting as a pigment and antioxidant.  Polyolefins (e.g. polythene) containing the unnitrosated thiobisphenol are also referred to.
Patent GB-849817-A (GB)
Title: Dental drill
IPC: A61C1/02
Filed: 1956-09-11
Abstract: 849,817. Dental handpieces. CHAYES DENTAL INSTRUMENT CORPORATION. Sept. 11, 1956 [Sept. 13, 1955], No. 27724/56. Class 81(2). A dental handpiece has a drill holder 33 which is supported in bearings 40, 41 and is driven by a pulley 32 of a belt and pulley drive carried by the handpiece, the drive pulley 9 of the belt and pulley drive being of larger diameter than the driven pulley and driven from a drive on a dental engine arm. The pulley 32 is carried on a drill socket 33 which is rotatable in ball bearings, 40, 41 in the head 48 of the handpiece. The pulley 32 is driven through a continuous belt of synthetic plastic or rubber by a drive pulley 9 which is rotatable on a shaft 5 secured in the rear of the handpiece. Idle pulleys 30, 31 guide the belt through the handpiece casing between the driven and drive pulleys. The handpiece casing consists of adjustably telescopic elements 1, 2 which enable the tension of the belt to be adjusted. The shaft 5 is held in a support 6 of the dental engine by a spring pressed ball and rotatably supports a pulley 7 which is operatively connected to the drive pulley 9 and is driven by the dental engine. The bearings 40, 41 are separated from the driven pulley 32 by annular washers 42, 43 which overlap pulley flanges with a slight clearance. Air supplied to the interior of the handpiece lead through a pipe 55, passes through the bearings and around the driven pulley and escapes through a gap 56 between the drill socket and the head. An air pressure responsive device (not shown) may be provided to prevent rotation of the drive pulley 9 when the air supply is turned off. The drill is held in the socket 33 by a resilient sleeve 57 which may be inserted in an intermediate sleeve (not shown) threaded into the socket. The resilient sleeve enables the drill to be mounted slightly off centre so that at a speed of approximately 120,000 r.p.m. the drill rotates eccentrically. Means for reducing the speed of the drill may be incorporated.
Patent GB-1203964-A (GB)
Title: Document transfer devices
Inventor: LEDGER HOWARD ROBERTS
IPC: G06K13/16
Filed: 1967-06-15
Abstract: 1,203,964. Delivering or feeding sheets INTERNATIONAL COMPUTERS Ltd. 12 June, 1968 [15 June, 1967], No. 27760/67 Heading B8R. Sheets are fed to a suction drum 10, Figs. 1 and 2, having perforations 44 and a stationary partition 29, 30 which engages the inner peri phery so as to divide the drum into a suction compartment 26 communicating through ports 28 with the inside of a tube 22 connected to a source of suction, and a non-suction compart ment 27. The sheets are thus held to the drum while passing over the compartment 26 and then released, by one of two sets of stripper member 42, 49 engaging circumferential grooves 40 ir the drum, into bins 45 or 47. In one form, the sheets are fed to the drum by rollers 51 and laterally registered by skew rollers 54. The sheets are fed round the drum beneath an arcuate guide-plate 46. The partition engages the drum periphery by means of spring-biased plastic brush blocks 33 made of nylon impregnated with molybdenum disulphide. In another form, the drum periphery sections between the grooves 40 are each formed with a plurality of axial grooves each containing one suction per foration. Feeding sheets.-Alternatively, the drum may be used to separate sheets from the bottom of a stack.
Patent GB-1105907-A (GB)
Title: Elastic fibres having hindered tertiary radicals in the polymer chain
IPC: C08G18/76
Filed: 1965-06-30
Abstract: In an elastic fibrous segmented polyurethane or polyurea, containing 50-95% soft segments and 5-50% hard segments joined by urethane or urea linkages at least 12% by weight of the total hard segments are divalent hindered tertiary radicals of formula <FORM:1105907/C3/1> each of which is attached to NH, and wherein R11 is methyl, ethyl or n-propyl and X is pphenylene, p-xylylene, 1,4-cyclohexylene, 4,41biphenylene or <FORM:1105907/C3/2> in which Y is -CH2-, -CH2CH2-, -O-, -C(CH3)2-, -S-, -SO-, or -SO2-. If desired the group which X represents may have at least one ring substituent of the class consisting of methyl, methoxy and ethyl. The soft segments consist of the residue remaining after removal of the terminal activehydrogen containing groups from an amorphous polymer melting below 60 DEG  C. and having a mol. wt. above 600.  The hard segments contain at least one unit which is the repeating unit of a nitrogen-containing polymer which in its fibre-forming mol. wt. range would melt above 200 DEG C. The polymers are prepared by reacting a hydroxyl- or amino-terminated polymer having a mol. wt. above 600 and a melting point above 60 degrees with excess organic polyisocyanate, R(NCO)y where y is 2-4, to give an isocyanate terminated polymer.  Catalysts may be used where the polymer is hydroxylterminated. At least 80 mol. per cent of the radicals R are divalent radicals terminating at carbon atoms which are not part of an aromatic ring.  They may be, at least in part, of the hindered tertiary type (see U.S. Patent 2,723,265 and British Patent 942,158).  The isocyanate terminated polymer is chain-extended with a diamine, which may be of the hindered tertiary type, or with hydrazine, a dihydrazide, a glycol, water, or piperazines. A plurality of chain extenders may be used in admixture or sequentially.  Monomeric diisocyanate may be added during the chain extension reaction.  The molecular weight of the final polymer may be controlled by addition of a chain terminator e.g. diethylamine.  The polymers are prepared by conventional techniques, e.g. solution polymerization or as described in Specifications 849,154 and 849,156. They may be made from diamines and bichloroformates of glycols, the hindered tertiary radicals being obtained from the diamines. When solution polymerization is used the resulting solutions may be directly spun to elastic filaments. Preferred polymers are substantially linear but they may be slightly cross-linked or branched by using reactants with functionalities greater than 2.  They may also be cross-linked after shaping e.g. by reaction with di-isocyanate.  In a typical example, an isocyanate terminated polymer is formed from polytetramethylene ether glycol and a ,a ,a 1,a 1-tetramethyl-p-xylylene di-isocyanate, using dibutyl tin laurate as catalyst.  The polymer is dissolved in N,N-dimethylacetamide and chain extended with 1,3 - diaminocyclohexane (70/30 cis/trans isomers).
Patent GB-854429-A (GB)
Title: Improvements in variable speed gears
IPC: F16H29/04
Filed: 1957-09-05
Abstract: 854,429. Variable-speed ratchet gear. WEBSTER, N. Sept. 5, 1958 [Sept. 5, 1957], No. 28005/57. Class 80 (2). Variable-speed ratchet gearing comprises variable cranks 6 mounted for rotation with gear-wheels 4 meshing gears 13 simultaneously clutchable to an input shaft. Racks 7 are pivotally mounted on the crank pins 6 and mesh gears 8 rotating shafts 10 through ratchets 11a, the shafts 10 carrying gears 15 meshing a common output pinion 16. Each crank pin 6 is pivoted to one end of a lever 20, the other end of which is fast with a pin which passes through an aperture in the corresponding wheel 4 and is connected by a linkage to a sleeve 2 which is rotatable to vary the throw of the crank by an axially slidable collar 22 having a pin engaging a helical slot in the sleeve.
Patent GB-1039290-A (GB)
Title: Improvements in cable connectors and the like
IPC: D07B9/00
Filed: 1964-04-21
Abstract: 1,039,290. Cable connector. J. W. HUNTER. July 2, 1965 [April 21,1964], No. 28044/65. Heading D1T. The cable connector utilizes a pair of spaced parallel side plates 11, Fig. 1, and an inwardly projecting tongue 20 on at least one side plate; the tongue 20, when the two side plates 11 are secured together by means such as bolts 14 and 15, engaging in grooves formed in a pair of bushes 31 locked on the cable 33. As shown, each of the side plates 11 carries an inwardly projecting tongue 20. Each side plate 11 has an upstanding limb 12 carrying a pulley wheel 28 for riding along a rail or track 29; and a depending limb 13 for suspending articles to be carried along the rail or track. The bushes 31 may have outwardly flared bores at their outer ends and may be secured to the cable by grub screws. The connector may be used to join two cable ends together as well as for attaching devices to cables.
Patent GB-426874-A (GB)
Title: Improvements in or relating to electrical condensers
IPC: H01G4/20
Filed: 1933-10-11
Abstract: 426,874. Condensers. TELEGRAPH CONDENSER CO., Ltd., Wales Farm Road, North Acton, London, and STEPHAN, F. C., St. Lawrence, Riddlesdown Road, Purley, Surrey. Oct. 11, 1933, No. 28071. [Class 38 (ii)] In the manufacture of condensers utilizing as dielectric a thin anodic oxide film on the surface of an electrode of a film-forming metal such as aluminium tantalum magnesium, the film is rendered non-porous and homogeneous and has its dielectric strength increased by intimately incorporating with the original porous film so as to fill the pores, an additional insulating material by a chemical or electrochemical operation without any appreciable increase of the thickness of the film. Examples of materials which can thus be used include organic and inorganic dye stuffs, cellulose derivatives, rubber or sulphur. Methods of incorporating these materials are described. The coacting electrode is applied directly to the film, by spraying, sputtering, vacuum distillation, electrochemical or chemical operations or by mechanical treatment with heat and pressure. Where the second electrode is of film-forming metal, an oxide layer may be formed on it, a further treating operation and application of a metallic layer carried out and the process may be repeated to obtain a series of superimposed condenser layers. Specifications 276,319, [Class 38 (ii)], and 396,453 are referred to.
Patent GB-489024-A (GB)
Title: Process and apparatus for filtering alcoholic beverages, food products, and like liquids
IPC: C12H1/07
Filed: 1936-10-15
Abstract: 489,024. Filters. BOWSER & CO., Inc., S. F. Oct. 15, 1936, No. 28077. Void. Convention date, Oct. 16, 1935..[Class 46] A coating of filter aid is deposited on the filter surfaces from wine or liquid under treatment before filtration proper is started and during filtration filter aid is continuously added to the liquid as it is supplied to the filter. Fig. 1 shows a filter 118 with filter leaves 126. Liquid is supplied from a tank 2 through a float-controlled valve 8 to a constant level tank 14 communicating through an aperture 16 with a mixing tank 18. The liquid mixed with filter aid is drawn from the tank 18 through a pipe 90 by a rotary pump 104 driven by a motor 32. The pump forces the liquid up vertical passages 120 to the top of the filter. Filtrate is discharged through a header 128 and up a pipe 132 having a sight glass 138 to a valve 142. During the formation of the coating, the valve 142 directs the liquid through a pipe 146 back to the tank 18, but during filtration the liquid is discharged through a pipe 150. When the filter requires cleaning, liquid remaining in the filter is withdrawn by the pump 104 through pipes 156, 94 and returned to the tank 18 through a pipe 164. Air is simultaneously admitted to the top of the filter from the tank 18 through a pipe 174. The cover 124 of the filter is then removed and water from a hose is directed against the filter leaves to detach the cakes and flush them through a cleaning opening 178, The Figure shows also connections used when the liquid for treatment is to be drawn from a tank 179 at a lower level. In this case part of the liquid on its way from the pump to the filter is directed through a pipe 186 and injector 190, which draws liquid mixed with filter aid from the tank 18. This mixture passes through a pipe 196 to the inlet side of the pump. Makeup liquid passes to the tank 18 from the top of the filter through the pipe 174. The tank 18 is fitted with rotary agitators 34, 36 driven from the motor 32. The necessary quantity of filter aid for forming the initial coating is supplied to the tank through an opening 22 in the top, but during filtration the filter aid is fed continuously from a hopper 48, shown in Fig. 2. The hopper has a shaft 56 connected to the shaft of the tank 18 and carrying agitator blades 64 and scraper blades 66, which feed the filter aid through an aperture 70, controlled by an adjustable gate 80. The filter aid passing through the aperture 70 falls through an aperture 72 into the tank 18.
Patent GB-140347-A (GB)
Title: Roller journal bearings
IPC: F16C43/06
Filed: 1919-11-13
Abstract: 140,347. Crowe, T. Nov. 13, 1919. Roller bearings. - Conical bearing-rollers 5 are inserted in sockets 4 in a cage ring 3. After being placed on the inner race-ring 1, the ring 3 is reduced by pressure to conical form, so that the rollers are retained. Axial displacement is prevented by flanges 6, 7 on the ring 1.
Patent GB-824464-A (GB)
Title: Hydrothermal synthesis of quartz
IPC: C30B7/00
Filed: 1957-09-06
Abstract: Single crystals of quartz 50 (Fig. 1) are grown on seed crystals in a growing region of an elongated closed pressure chamber 24 containing liquid transfer medium and supply material 85, such as silica, heat being applied to the supply material region and the convectional <PICT:0824464/III/1> <PICT:0824464/III/2> flow of the liquid medium being controlled so that a thin boundary layer flows upwards on the inner walls of the chamber into the growing region and then centrally and axially back to the supply region.  The silica is in a wire mesh container 58 surrounding a tube 74 which passes through a plate 69, leaving a space 77, and is joined to a funnel-shaped baffle 78.  When heat is applied by electrical heaters 40 and 42, convection causes the liquid to flow as shown diagrammatically by arrows in Fig. 4. The liquid flows around the silica in the supply region 38, becoming saturated, and then, after passing through space 77, it is directed by the baffle 78 through an annular space 82, so that it flows as a boundary layer, up the wall of the growing region 36. In the growing region 36, which is at a lower temperature than the supply region 38, the cooler liquid flows axially downwards over and among the seeds, which are in racks 48, causing them to grow. The liquid then flows through the baffle 78, and down tube 74 to be reheated.  In a modification the container 58, plate 69 and tube 74 are omitted; in further modifications baffle 78 is replaced by funnels of different shape and by an annular plate. Specifications 761,531 and 761,643 are referred to.
Patent GB-989408-A (GB)
Title: Locking device for the coupling pin of semi-trailer couplings
IPC: B62D53/08
Filed: 1963-07-17
Abstract: 989,408. Semi-trailer couplings. JOSTWERKE JOSEF STEINGASS G.m.b.H. July 17, 1963 [July 21, 1962], No. 28247/63. Heading B7T. A coupling pin 1 may be held by a locking hook 2 pivoted at 3 by engaging a cam surface 6 of a pivoted hand lever 8 with a tail surface 5 of the hook. A spring 11 ensures that wear on the hook is taken up by follow-up movement of the cam 6. The pin 3 may be provided with considerable clearance in the hook 2, and the lever 8 may be replaced by an eccentric or other element having a similar action.
Patent GB-154786-A (GB)
Title: Improvements in stoppers for feeding bottles
IPC: A61J11/00
Filed: 1919-11-14
Abstract: 154,786. Yooll, F. R. Graham-. Nov. 14, 1919. Feeding bottles.-Relates to stoppers fcr feeding-bottles for use with teats of the kind described in Specifications 117,966 and 124,628. The stopper 1 is formed of rubber, glass, stoneware, &c., and is provided with a central slot 2 with flat sides 3 and curved end faces 4 tapering on two or four sides towards the inner end of the slot so as to hold the teat tightly, as shown in Fig. 6. The outer end of the slot is rounded as at. 6, Fig. 6, to prevent damage to the teat. The outer end of the slot may be of circular crosssection, and the faces of the slot may be made of different material from that of the body of the stopper.
Patent GB-992091-A (GB)
Title: A device for stabilising a rotatable body in a liquid flow conduit
IPC: F16C39/04
Filed: 1963-07-17
Abstract: 992,091. Bearings. INSTITUTT FOR ATOMENERGI. July 17, 1963 [July 18, 1962], No. 28286/63. Heading F2A. [Also in Division B1] In a device for the stabilization of a body rotatably mounted in a liquid flow conduit and having its axis of rotation coinciding with the main direction of liquid flow, the body is mounted with clearance between two stationary members and the bearing surfaces are at an angle to the axis of rotation. The bearing surfaces of the body are complementary to those of the stationary members and have ribs thereon. At least one of the stationary members has an axial bore therein. In an embodiment, a propeller 1, Fig. 1, is mounted between stationary members 5, 6 in a tube 8; has radial ribs 3 with grooves 7 therebetween; and has blades 2 attached thereto. Liquid, supplied to the centre part of the propeller through a bore 4 in the member 5, rotates the propeller. The liquid pressure in the grooves 7 prevents metal to metal contact and stabilizes the propeller. Some of the blades 2 may be made of magnetic material so that a coil 9 can receive the magnetic pulses which are transformed into electric pulses to measure the liquid flow velocity through the tube 8. In another embodiment, the body 1, Fig. 2, acts as a rotor in a stator 2 so that liquid is pumped through the assembly by the rotor and is pressurized into the grooves 7 as before.
Patent GB-1039476-A (GB)
Title: Shell and tube heat exchanger
IPC: F28F9/02
Filed: 1964-07-09
Abstract: 1,039,476. Making heat exchangers. FOSTER WHEELER CORPORATION. July 9, 1964 [July 22, 1963], No. 28322/64. Heading B3A. [Also in Division F4] A shell and tube heat exchanger includes a header comprising a tube sheet 20 with flat plate area 38 and upwardly arid outwardly flared shoulder portion 40, and a hemispherical member 24 welded at 42 to said shoulder portion (see Division F4). The weld is made after the tubes 18 have been assembled in the plate area 38 and the heat generated at the weld is dissipated along the shoulder portion 40 before reaching this area, thereby preventing damage to the tubes or the tube to tube sheet joints by stress.
Patent GB-616681-A (GB)
Title: Improvements in or relating to cultivating implements
IPC: A01B35/06
Filed: 1946-09-23
Abstract: 616,681. Agricultural implements. MARTINS CULTIVATOR CO., Ltd., JONES, T. M., and JONES H. L. Sept. 23, 1946. No. 28416. [Class 6 (i)] A cultivating attachment for a tractor comprises a wheeled tool-carrying frame 3 pivotally mounted between the front and rear wheels of the tractor by pairs of parallel links 5, 6 which are hinged at their upper ends either to the tractor chassis or to a frame 1 fixed directly to the chassis. Attachments may be secured on each side of the tractor by brackets 2. Each tool-carrying frame may be raised, either by power or by a hand-lever on the tractor, through linkwork 24, 25, 26, incorporating a lost-motion connection which permits rise and fall of the frame in conformity with the ground contour.
Patent GB-603691-A (GB)
Title: Improvements in or relating to fastening devices
IPC: E06B3/54
Filed: 1945-10-29
Abstract: 603,691. Fastening-devices. LIQUIDOMETER CORPORATION. Oct. 29,1945, No. 28527. Convention date, Feb. 24. [Class 44] [ Also in Group X] A plate 13, e.g. of glass, is secured on a frame 11 by clips, each comprising a flexible strip 15, e.g. of metal, having projecting means 18 which engage with a recessed boss 14, so that as the clip is pressed into position, the ear, or ears 19 move over the pane and eventually clock over the edge thereof. In a modification, the means 18 are formed as a single wide lateral extension of the clip, the extension being engaged between opposed recesses formed in the frame itself.
Patent GB-398041-A (GB)
Title: Improvements in or relating to exercising apparatus
IPC: A63B22/08
Filed: 1932-10-13
Abstract: 398,041. Exercising-apparatus. KEMPSON, A. H., 36, Bennetts Hill, Birmingham. Oct. 13, 1932, No. 28538. [Class 132 (i).] Exercising-apparatus of the kind comprising a frame provided with a seat, a handlebar, a crank axle, and adjustable braking means is characterized in that the frame is constructed to resemble a cycle frame and includes front and rear supporting members resting on the ground, the frame carrying the saddle, handlebar and crank axle in substantially ordinary positions, the apparatus also including a back axle supported on the rear part of the frame and driven from the crank axle. As shown, the apparatus comprises a cycle frame A having front and rear supports 1, 2 having rubber feet 3 and dummy wheels 4, and provided with a crank axle 8 having pedal cranks 9 on which is a sprocket 15 connected by the chain 16 to the rear sprocket 17 on the rear hub 18. On the hub 18 is a peripherally grooved disc 20 round which passes a flexible band 22 the ends of which are clipped together and connected by a tension spring 26 to one end of a wire cable 28 operated from the handlebar bv a lever 31. In a modification the hub is provided with a pair of rings attached by springs to a cross-bar vertically slidable on the rear tubes and operated by a wire cable. The hub may be above or below the cross-bar. A hand- or foot-lever connected to the springs by links or the like may replace the wire cable. The sections of the apparatus may be detachable.