baber/WOPTO huggingface dataset:
Patent GB-824458-A (GB)
Title: Process for the production of tertiary thiophenylpyridylamines on their acid addition salts
IPC: C07D513/04
Filed: 1957-08-27
Abstract: In a process for the preparation of compounds of the general formula <FORM:0824458/IV (b)/1> or acid addition salts thereof, wherein Alk is a straight or branched alkylene chain, R1 and R2 are alkyl radicals, which may be linked to form a ring, which ring may also contain a further hetero atom, or R1 and/or R2, together with the nitrogen atom and the radical Alk may form a heterocyclic ring system, compounds of the general formula <FORM:0824458/IV (b)/2> wherein X is oxygen or sulphur are heated to an elevated temperature, preferably 150-250 DEG C., carbon dioxide or carbon oxysulphide being split off, and, if desired, the product is converted into an acid addition salt.  Examples describe the preparation of dimethylaminoethyl-, diethylaminoisopropyl-, diethylaminoethyl-, and piperidinoethylthiophenylpyridylamines and their hydrochlorides. Specification 817,558 also is referred to.
Patent GB-930453-A (GB)
Title: Low alloy steels
IPC: C22C38/32
Filed: 1961-07-26
Abstract: A low alloy steel for die casting dies has the following composition by weight:-  .C............0.35 to 0.45% .Mn..........0.65 to 1.25% .Si..........up to 1% .Cr..........1 to 2% .Mo..........0.15 to 1% .V............0.05 to 0.5% .B............0.0005 to 0.005% .P............up to 0.05% .S............up to 0.2% .Fe and impurities as balance.....  The steel may be hardened to at least Rockwell C 34 after hot working by normalizing at a temperature of up to 1800 DEG F. prior to air quenching.  The normalized steel may also be oil quenched from 1550 DEG  F. and tempered at 400-1150 DEG  F. for one hour.
Patent GB-1263986-A (GB)
Title: Improvements in and relating to photosensitive media
IPC: G03G5/14
Filed: 1969-05-29
Abstract: 1,263,986. Electrophotographic element. RICOH K.K. 29 May, 1969 [7 June, 1968], No. 27268/69. Heading H1K. An electrophotographic element for offset printing comprises a support, an intermediate layer, a photoconductive layer and a conductive layer, the intermediate layer comprising a reaction product of a vinyl resin and an amino resin. The vinyl resin contains a 2-hydroxy ethyl, 3-hydroxypropyl or 5-hydroxypentyl group. The support is preferably paper which has been sized with polyvinyl alcohol or a cationic latex to render it conductive. The intermediate layer is applied as an alcoholic solution of copoly methyl methacrylate, butyl acrylate and hydroxyethyl methacrylate together with a melamine resin to the sized support. The coated support is heated to 100-150‹ C. thereby crosslinking and hardening the resin mixture to give a water-proof layer. A layer of ZnO, acrylic and alkyd resins, cobalt and manganese naphthenates and a sensitizing dye are applied as a toluene solution. The intermediate layer may be applied as an aqueous solution. Other hydroxylcontaining vinyl polymers may be made by solution polymerization of a hydroxyl vinyl monomer and another vinyl monomer with or without an unsaturated carboxylic acid wherein the carboxylic acid groups have been neutralized with ammonia or an amine. Other amino resins are also specified. The paper support may also be sized with water-soluble cellulose or acrylic resin.
Patent GB-1263248-A (GB)
Title: Ignition systems
Inventor: MAYCOCK WILLIAM HENRY
IPC: F02P9/00
Filed: 1968-06-10
Abstract: 1,263,248. Ignition systems. ROTAX Ltd. May 22, 1969 [June 10, 1968], No.27426/68. Heading F1B. The invention relates to an ignition system of the kind comprising a capacitor 19, means for changing the capacitor, and a device 18 connected in series with a pair of output terminals 10, 11 and the capacitor, the device being arranged to break down and conduct when the voltage across the capacitor attains a predetermined value, thereby to allow the capacitor to discharge through a spark device 12 connected across the terminals. According to the invention the system also includes a second capacitor 23 connected in parallel with the first capacitor, a unidirectional current flow device 22 connected in series with the capacitors and arranged to prevent current flow from the first capacitor into the second capacitor and means whereby the second capacitor can be charged when an increase in the energy supplied by the system is required. In a modification the switch 26 is replaced by a selector switch. In one position of the selector switch the transformer 15 only is energized and in the other position of the selector switch the transformer 16 only is energized. The capacitors may be charged from a D.C. source.
Patent GB-263100-A (GB)
Title: Body tipping mechanism particularly for motor vehicles
IPC: B60P1/20
Filed: 1926-11-02
Abstract: 263,100. Wood, L. Dec. 17, 1925, [Convention date]. Tipping-wagons. - In tipping-wagons of the kind in which the body is tipped by the operation of a horizontal pressure cylinder acting through a cradle pivoted at the rear of the vehicle, the cradle is adapted to exercise its thrust at a single point in the central longitudinal plane and the body may be tipped to either side or to the rear by selectively locking and releasing bearings provided on both sides, a by-pass controlled by a valve being provided in the pressure cylinder to enable a reduced stroke of the piston to be obtained when side tipper is desired. A horizontal cylinder 2, Fig. 2, supplied by an oil pump 4, operates by means of its piston 7 a cradle 12 pivoted at 14. The cradle 14 tips the body 1 by means of a thrust ball 18 and a cam rail 19 shaped so that, throughout side tipping, the thrust is equalized, The cylinder 2 is provided with a by-pass 40, Figs. 7 and 8. both ends of which are connected to the suction pipe 6, so that for side tipping a reduced stroke of the piston 7 is provided. The by-pass 40 is provided with a three-way cock 45 which in neutral position, as shown in Fig. 7, is closed, so enabling a long stroke of the piston to be obtained for rear tipping. For side tipping, the cock is opened to either side by means of one or other of two levers 44 operated by rods 43 from side shafts 31, Fig. 11, by means of a lever 33 from the driver's seat. The levers 44 have long and short fingers 44<11>, 44<1>, the short finger of one lever moving the lever of the cock past the short finger of the other lever and the long finger returning it to neutral position. The tipping bearings comprise jaws 20, Fig. 11, into which take trunnions 23 on the body. The trunnions are locked in position by latches 26 having noses 28 and the latches are operated by gravity and cams 30. The cams 30 are operated from the driver's seat by means of side shafts 31a, Fig. 1, on either side, the shafts being in alignment with lost motion between them so that for side tipping the bearings at either side are successively unlocked, while for rear tipping only the forward bearings on each side are unlocked. The side flaps 46 are automatically released on side tipping by a fixed cam 54 releasing a latch holding the lever 50. The lever 50 is connected to a shaft 48 having catches 49 for the flaps which open by gravity when the lever 50 is free. The rear door is locked by a pivoted catch 56 which is released by a push rod 57.
Patent GB-146029-A (GB)
Title: Improvements in or relating to detachable wheels for vehicles
IPC: B60B3/18
Filed: 1919-11-07
Abstract: 146,029. Coward, E. S. Nov. 7, 1919. Detaching from, and attaching to, permanent hubs.-In means for securing detachable wheels of the type comprising pins b carried by a fixed flange a on the permanent hub and having undercut heads which are engaged by keyhole slots g in a loose flange f, inclines being formed around the slots on the outer surface of the flange, the means for partially rotating the loose flange consist of a threaded pin k engaging a lug j on the flange and having collars m, o engaging the sides of a slotted extension d on one of the securing pins. The threaded pin k is turned by a sliding rod n. Backward rotation of the flange is prevented by a spring strip p having a button q adapted to fill the large end of one of the keyhole slots. A cover s is secured to the loose flange by spring plungers t mounted in bosses u.
Patent GB-469867-A (GB)
Title: Improvements in or relating to bearings
IPC: F16C33/08
Filed: 1936-10-12
Abstract: 469,867. Alloys. SCHMIDT GES., K. Oct. 12, 1936, No. 27661. Convention date, Dec. 18, 1935. [Class 82 (i)] [Also in Groups XXXIV and XXII] A bearing bush is made of a strong aluminium alloy lined with an aluminium or magnesium alloy having good bearing properties. The outer alloy has about 20 per cent of silicon, and if desired, further additions of magnesium, nickel, cobalt, chromium, or manganese. The alloy of the lining may consist of aluminium with 5-10 per cent of antimony, or a magnesium-alloy with 5-10 per cent of aluminium, or small additions of lead or silicon. The bearing lining is formed by casting the lining metal into the annular space 4, and then pouring the outer metal into the space 3. Before the metal completely solidifies the core 2 is pulled upward, forcing the lining within the outer member. In a modification, the casting mould is arranged so that the core moves downward. In a further modification, the outer member is lined by centrifugal casting.
Patent GB-280515-A (GB)
Title: Improved manufacture of electric incandescent lamps
IPC: H01J9/32
Filed: 1927-10-18
Abstract: 280,515. Gral Ges. fur Elektro- Industrie. Nov. 9, 1926, [Convention date]. Addition to 261,398. Making lamps. - In making stems by pinching a stem tube a and an exhaust tube c, between which leading-in conductors d', d<2> are located, about a removable mandrel 2 whereby an aperture is formed through the pinch to connect the exhaust tube with the interior of the bulb, a sleeve g is interposed between the wall of the exhaust tube and the mandrel to facilitate the removal of the latter. The sleeve may be of metal so thin that it does not impart temperature strains to the adjacent glass.
Patent GB-897483-A (GB)
Title: Improvements in or relating to nuclear reactors
IPC: G21D3/04
Filed: 1959-08-14
Abstract: 897,483. Nuclear reactors. COMMISSARIAT A L'ENERGIE ATOMIQUE. Aug. 14 1959 [Aug. 14, 1958], No. 27837/59. Class 39(4). A boiling water reactor supplying steam to a heat exchanger or turbine is surrounded by an annular protective tank filled with water and containing a first group of tubes forming part of a cooling circuit and a second group of tubes, of which the inlet header communicates with the heat exchanger or turbine circuit and the outlet header communicates with the reactor vessel to return to it water condensed in the second group of tubes, the circuit thus formed operating with natural circulation and short-circuiting the heat exchanger or turbine, at least one valve being provided to check the entry of steam from the reactor into the second group of tubes. Fig. 1 shows diagrammatically a boiling water reactor suitable for use on a ship, the reactor vessel 1 containing water 2 in an external reflector and discharging steam through a conduit 3 to a heat exchanger (not shown), water being returned to the reactor through conduit 4. Round the container 1 is a biological shield tank 6 filled with water and containing several layers of metal plates, Fig. 2 (not shown); the water in the tank is cooled by sea water flowing through tubes 8. A second set of tubes 13 in the tank 6 are connected through valves 19, 20 to conduit 3, through a normally open valve 21 to a duct 26 leading to the reflector of the reactor, and through valve 22 to conduit 4. Valve 20 opens automatically if there is excess pressure in conduit 3, and if the reactor stops valves 19 and 20 are opened to short-circuit the heat exchanger through tubes 13, natural circulation being set up through conduit 3, tube 13 and duct 26. To enable the reactor to be cooled when fuel is being replaced a pump 28 is included in a circuit running from the top of tubes 13 to the duct 26 so that water can be pumped from the reflector through duct 26 and pump 28, through tubes 13, and through valves 22 (valve 21 being closed) to conduit 4 and into the reactor. The sets of tubes 8, 13 may be separated inside the tank 6 by partitions provided with apertures at the top and bottom, Fig. 2 (not shown).
Patent GB-760680-A (GB)
Title: Improvements in or relating to means for operating camera shutters
IPC: G03B9/58
Filed: 1952-11-05
Abstract: 760,680. Compressing air. DAY, T. S. Jan. 13, 1954 [Nov. 5. 1952], No. 27872/52. Class 8.(1) [Also in Group XX] Pneumatic operating mechanism for a photographic shutter comprises a pump having a reciprocable plunger, diaphragm, or equivalent member such as a bellows or bulb spring-urged to make an air-delivery stroke, means for releasably retaining said member in a desired position in its suction stroke, and adjustable valve mechanism including a throttle valve in the air line to the photographic shutter. As shown, a cylinder 1 having an outlet 10 is provided with a piston 2 carried by a rod 3 having one or more notches 9 for latching engagement 'with a pivoted catch 7 when the piston is withdrawn to the desired extent. On releasing the catch, the spring 6 drives the piston in its exhaust stroke to operate the camera shutter through a valve 14 having an inlet 12 and an outlet 13, the flow of air being adjusted by ports 17 in the rotatably mounted hollow adjustment head 18 bearing a scale 19. A vent 21 (Fig. 4, not shown) is provided in the body of the valve to allow escape of air in certain settings of the valve. In a modification, the terminal position of the airexpelling member may be controlled by an adjustable catch. The Provisional Specification refers to the alternative use of a needle valve by which escape of air from the line is varied to alter the air flow to the shutter.
Patent GB-433103-A (GB)
Title: Improvements in and relating to pivoted valves for regulating the flow of liquids to give a constant flow
IPC: G05D7/01
Filed: 1934-09-29
Abstract: 433,103. Valves. ATELIERS NEYRETBEYLIER & PICCARD - PICTET, Avenue Beauvert, Grenoble, IsÚre, France. Sept. 29, 1934, No. 27916. Convention date, Sept. 30, 1933. [Class 135] For producing a constant flow of liquid irrespective of variations of upstream and downstream pressures, a butterfly valve L is pivoted on a diameter the spindle carrying a cam C from which a weight P is flexibly suspended to apply a couple opposed to that due to the flowing liquid according to a known law. By changing the weight, the value of the constant flow may be varied. In a modification, the cam C is inclined upwardly and the weight is suspended from a roller rolling between the cam and a fixed rail. The Specification as open to inspection under Sect. 91 states that the opposing torque may be obtained by other devices embodying cams, counterweights, levers, linkworks, gears, springs and cam floating bells; this statement does not appear in the Specification as accepted.
Patent GB-748747-A (GB)
Title: Improvements in or relating to a valve structure
IPC: F15B21/04
Filed: 1954-01-28
Abstract: 748,747. Valves. BURG, F. G. Jan. 28, 1954 [May 11, 1953], No. 27955/54. Divided out of 748,742, [Group XXII]. Class 135. A valve for providing varying rates of feed of a hydraulically-operated machine tool part comprises a fixed plate 36 with a plurality of ports 35 controlled by independently adjustable needle valves 54 and a plate 33 rotatable by a shaft 39 driven by worm gearing 30, 31 whereby an inlet and an outlet 60, 53 of the valve may be interconnected through a single port 34 in the plate 33 in series with any one of the ports 35. An indicating pointer 45 is carried by the shaft. Specification 748,742, [Group XXII], is referred to.
Patent GB-861869-A (GB)
Title: Improvements in or relating to skeleton frame roofing or decking
IPC: E04D3/35
Filed: 1957-09-04
Abstract: 861,869. Roofs, roofing slabs. BENNETT, J. E. Sept. 4, 1958 [Sept. 4, 1957], No. 27970/57. Classes 20(4) and 87(1) A flat roof is composed of slabs having a layer 3 of waterproof sheet material on the upper side thereof and covering the edges, and a further sheet 4 of waterproof material secured thereto, this latter sheet projecting as at 4a, 4b to form a fringe which is used to form an overlapping joint when the slabs are butted together. A gutter 12 may be used with the roof and in Fig. 3 the fringe 4a is shown bent over a fillet 15 and extending under a flashing 16 forming a D.P.C. in the parapet wall.
Patent GB-1000668-A (GB)
Title: Process for the hydration of epoxy esters
IPC: C11C3/00
Filed: 1962-07-20
Abstract: Hydroxy carboxylic esters are prepared by hydrating an epoxy ester with a concentrated aqueous solution of a strong acid, and separating the hydroxy esters from the reaction mixture. The epoxy esters may be mono-, di-, or polycarboxylic esters of, for example, acrylic, polyacrylic, 2,3-epoxypropionic, stearic, oleic, 9,10-epoxystearic, ricinoleic, pelargonic, azelaic, sebacic, adipic, succinic, phthalic, benzoic, dimerized or trimerized linoleic, tetrahydrophthalic, cyclohexanecarboxylic, nicotinic, quinolinic and diepoxystearic acids with alcohols such as methanol, ethanol, ethylene glycol, glycerol, glycidol, methylol cyclohexane, 2,3-epoxybutanediol, 1-octadecanol, 9,10-epoxy-1-octadecanol, oleyl, linoleyl, 9,10,12,13-diepoxy-1-octadecanol and ricinoleyl alcohols.  The acids used include sulphuric, nitric, perchloric, methanesulphonic, benzenesulphonic, naphthalene sulphonic, trifluoroacetic and fluoboric acids and the reaction may be in an inert solvent. Examples describe the hydration of glycidyl stearate in various solvents any with various acids to produce mono- and di-stearic (2,3-dihydroxypropyl) stearates; and of methyl 9,10-epoxystearate, glycidyl oleate, diglycidyl sebacate, glycidyl ricinoleate, and epoxidized soyabean oil.  The product bis-(2,3-dihydroxy propyl) sebacate is claimed as a new product.
Patent GB-209820-A (GB)
Title: Improvements in or relating to coffee pots, cooking utensils and hot plates
IPC: A47J31/52
Filed: 1922-10-16
Abstract: 209,820. Jackson, W. J. Mellersh-, (Newsom, J. F.). Oct. 16, 1922. Thermal switches; clockwork actuation.-An electrically-heated coffee pot, cooking utensil, or hot plate is provided with time mechanism for opening the heating circuit at the end of a selected period of time after the material to be heated has reached a predetermined temperature, the time mechanism being thrown into operation when the predetermined temperature is attained. The coffee pot 4 is provided with main and auxiliary heating elements 5, 22, connected to the supply leads 29, the brush 28, and the spindle 12 of a rotary switch 13. The time mechanism is set by means of the switch 13 and is prevented from unwinding by means of a pawl 16 engaging the ratchet-wheel 15. The switch 13 is provided with a peripheral contact segment connected to the spindle 12 and engaged in the set position by the brush 28. When the predetermined temperature is attained, the thermal element 6 operates the pawl 16 to release the time mechanism, and after the interval for which the latter has been set the brush 28 comes in contact with an insulated portion of the rotary switch 13 and breaks the heating circuit through the main heater 5.
Patent GB-1128112-A (GB)
Title: Improvements in or relating to gas block for automatic guns
Inventor: FORAL ANTONIN
IPC: F41A5/28
Filed: 1966-06-23
Abstract: 1,128,112. Automatic guns. ZAVODY VSEOBECNEHO STROJIRENSTVI GENERALNI REDITELSTVI TRUSTU PODNIKU. 23 June, 1966, No. 28161/66. Heading F3C. A gas block 2 is mounted on the barrel 1 of an automatic gun. The gas block 2 is provided with a rotatable regulator 4 having a plurality of grooves of different cross-section for cooperation with vents in the gas block, each groove being connected to a recess 6, 7 formed in the surface of the regulator. The gas block 2 is further provided with a bore 11 which contains a slidably movable pin 5, the inner end of which co-operates with one of the recesses in the regulator 4 and the outer end with a surface (13, Fig. 2), a barrel nut 3 to lock the regulator in one of its positions. To unlock the regulator the barrel nut 5 is rotated until a notch 12 cooperates with the outer end of the pin, such that the pin is released from the recess. The regulator is also slidable transversely of the gas block to bring another groove into co-operation with a vent leading to the bore of the barrel.
Patent GB-745187-A (GB)
Title: Improvements in or relating to road pavements
IPC: E01C5/06
Filed: 1953-10-13
Abstract: 745,187. Road-surfaces; paving blocks. LANEN, C. J. W., and DOORNBOS, J., [trading as NEDERLANDS OCTROOI-EXPLOITATIE BUREAU WORLD LOOK]. Oct. 13, 1953, No. 28173/53. Classes 87(1) and 107. A road surface is made up of a number of blocks 1 of concrete or artificial stone arranged behind each other in adjacent rows extending in the direction of the road, the longitudinal axes of the elements in each row being in alignment and adjacent rows being staggered for half the length of an element. The underside of the surface is provided with a number of parallel protruding ribs extending through at least one traffic lane, the ribs being composed of separate aligned portions 3 integral with the paving elements 1 and obliquely arranged with regard to the longitudinal axis of the traffic lane. A parting strip 17 may be used between adjacent lanes. The paving element shown in Fig. 2 has three such rib portions 2, 3, 4, 2 and 4 being arranged to run from one corner of the element to intersect the opposite wall of the block and 3 running across the block to cut the side walls at right angles. Lugs 8, 10 are provided on the blocks to engage stepwise to spread the load and prevent tilting of individual blocks. Grooves 5, 6, 7 are provided across the block to prevent skidding. The direction of the traffic is indicated by the arrows R and the resultant sideways force on the blocks forces them tightly into contact.
Patent GB-431303-A (GB)
Title: Improvements in or relating to photographic roll film spools
IPC: G03B17/30
Filed: 1934-10-02
Abstract: 431,303. Photographic roll-film spools. SCHWARZ, P., 3, Diekerstrasse, Barmen, Wuppertal, Germany. Oct. 2, 1934, No. 28178. [Class 98 (i)] A spool made of sheet material and having guide walls of sheet material inserted into the tube of the spool for guiding the backing strip is characterized in that the guide walls engage the outlet slot of the tube. As shown, the U-shaped guide member d, d, f, is inserted through the outlet slot c of the tube a, tongues v being formed on the transverse edges of the slot c. The edges w of the limbs d are bent outwardly. In modifications the tongues v may be omitted and the free ends of the limbs d outwardly bent and circularly curved. The longitudinal edges of the slots band c and the transverse edges of the slot c may be bent inwardly, and tongues y may be provided at the edges of the slot b. Tongues may be provided at the ends of the portion f. The limbs d may be provided with bulges engaging the longitudinal edges of the slot c. The free ends of the limbs d may be bent outwardly round the edges of the slot b. The free ends of the guide member may engage the outlet slot and the portion f the inlet slot.
Patent GB-172471-A (GB)
Title: Improvements in and relating to cushion rims
IPC: B60C7/12
Filed: 1920-10-06
Abstract: 172,471. Phelan, E. T. Oct. 6, 1920. Spring wheels. - A spring wheel comprises irner and outer rims connected by toggle members, the ends of which bear on rubber blocks fixed to the rims. The inner and outer rims, 10, 11, Fig. 1, carry rubber blocks 16 held in position by rods 15<1>. The toggle members 30 are supported at their ends in holes in the blocks 16, and are adjustable by screwed portions 25 and nuts 31. The outer rim 11 may carry a resilient tread having a hard rubber foundation. The inner rim 10 may be held to the wheel by transverse bolts 35 and wedges 36, as shown in Fig. 2.