baber/WOPTO huggingface dataset:
Patent GB-1482945-A (GB)
Title: Corona reactions
IPC: H01T19/00
Filed: 1974-08-07
Abstract: 1482945 Corona discharge reactors UNION CARBIDE CORP 7 Aug 1974 [13 Aug 1973] 34874/74 Heading H5H Corona discharge zones 15, 16, 17 are connected in series with heat exchangers 20, 21 between each pair and operated such that a reactant gas (oxygen; nitrogen, hydrocarbon mentioned) removes all excess heat from each zone, each heat exchanger removes all the excess heat from the gas before reaching a subsequent zone, the gas temperature being reduced by at least 100 C., and the power consumption in each zone being maintained in the range 100 to 100,000 watts per 0À0929 square metres of discharge electrode surface. Heat exchangers and corona generating cells are conventional (examples described). Electrode separation is 0À0025 to 13 mm., gas pressure 35 to 3500 g. per sq. cm., current 50 to 100,000 Hz and 1000 to 30,000 peak volts.
Patent GB-487868-A (GB)
Title: Automatic coin counting and wrapping machine
IPC: G07D9/06
Filed: 1936-12-21
Abstract: 487,868. Weighing-machines ; sorting coins. KOHLMANN, G. Dec. 21, 1936, No. 35029. [Classes 27 and 143] [Also in Group XVII] In a machine for wrapping coins to form cylindrical packages, the coins pass from hoppers 1 past guide plates 3 into tubes 2, from which a number of guide tubes 4, of different sizes, lead. The smaller tubes are nearest the hopper, so that the various sizes are separated, and drop into their appropriate tubes. Each tube leads to an inclined guide 5 and a vertical coin tube 6. Stop members 8 are provided at the base of each part 4, 5. Each stop member comprises a number of curved plates 8 adapted to be pulled out of the shaft by the action of electromagnets 7 on armatures 10, and returned by springs 9 when the circuit is broken. Normally the circuit is energized, and the tubes are open for the coins to drop through on to a spring- mounted platform 11. When the predetermined number of coins has accumulated, the spring 16 is depressed by the weight of the stack, and a collar 18 contacts with an arm 19, an extension 20 of which separates the contacts 21, 22 and breaks the circuit. The plates move inwards and prevent the arrival of more coins. The tube 6 is constituted by a spring held flap 12 in front, and a roller 15 behind. Upon the circuit being broken, wrapping apparatus is clutched to the main drive by electromagnetic means. A counting mechanism may be provided for each coin-tube, and a bell or light signal may be operated when a packet has been completed.
Patent GB-860204-A (GB)
Title: Improvements in or relating to brake testers
IPC: G01L5/28
Filed: 1958-10-31
Abstract: 860,204. Testing vehicle brakes; indicating and recording-apparatus. DURA CORPORATION, Oct. 31, 1958 [Nov. 6, 1957], No. 35040/58. Classes 106 (2) and 106 (4). A brake testing device comprises a plurality of vehicle-wheel contacting members movable in accordance with the braking effort of the brakes of a vehicle and a mechanical connection engaging each of the wheelcontacting members and arranged to transmit a movement proportional to the sum of the movements of the wheel-contacting members. The wheels of a vehicle are run on to a brake tester similar to that shown in U.S.A. Specification 1,892,919 and the brakes applied. The platforms on which the wheels rest then move, against the action of springs, each through a distance corresponding to the force of the individual brake. A pull-rod 17 is connected at one end to each of the platforms and each rod 17 acts on one of four toothed sectors 27 each pivoted at 25 and connected at 31 to a further pull-rod 30 The rods 30 are vertical and are bent at their upper ends 36 (Fig. 9) to act downwardly on pistons 39 in cylinders 40. Indicating liquid is supplied to the cylinders 40 from a reservoir 43 and flows through conduits 50 to indicating- tubes 62 upon downward movement of the pistons 39. Movement of the liquid is damped by a cushion of air under the pistons 49 and by valve discs 57, which rise and permit only a limited flow of liquid through the orifices 56 into the tubes 62. Scales 64, 65 are fixed to each tube 62 to show the force applied by the corresponding brake. The rods 30 are also connected by a double tree mechanism (Fig. 3) to a rod 30<SP>1</SP> which moves in accordance with the total braking effort. This rod 301 acts on a piston 47 in a similar manner to the action of the rods 30 on the pistons 39, and an indicating tube 82 similar to the tubes 62 shows the total braking force. In order to maintain the readings, pawls 28 co-operate with the toothed sectors 27 and means are provided for releasing the pawls when the readings have been noted. Fig. 6 shows means for recording the readings in the form of punch marks on a suitable card. A recording rod 121 is connected by a lever 117, pivoted at 25 (Fig. 7), and a link 115 to an extension 113 of the rod 30<SP>1</SP>. Four similar recording rods 121 (not shown) are connected to the four toothed sectors 27 to move with them. The five rods 121 all carry at their upper ends punches 122, which punch holes in a card 130 when a lever 144 is depressed, bars 147 forcing the punches through the card against the action of springs 135. Thus records of the individual braking forces, and of the total braking force are made.
Patent GB-842758-A (GB)
Title: Improvements in or relating to apparatus for feeding particles of fusible polymers to a melting grid
IPC: D01D1/06
Filed: 1957-11-11
Abstract: <PICT:0842758/IV(a)/1> An apparatus for feeding particles of fusible polymers to a melting grid comprises a movably arranged down pipe for the supply of the polymers to the grid and a mechanism for moving the inner surface of the down pipe relative to its axis, this mechanism comprising a motor which imparts a reciprocating movement to the down pipe.  The mechanism may be an axial vibrator and may be capable of producing a pulsating reciprocating movement parallel to the axis of the down pipe, and also of moving the down pipe in a tangential as well as an axial direction.  By a pulsating reciprocating movement is meant a reciprocating motion such that the duration of movement in one direction is unequal to the duration of moved ment in the other direction.  The surface area of the inner wall of the down pipe may be enlarge-with regard to its capacity, preferably by fitting one or more substantially vertical baffles in the down pipe, and/or by providing the inner surface of the down pipe with rills or grooves. As shown, the down pipe 17 comprises an outer mantle 19 and a movable inner mantle 20 connected to the actuating mechanism and widening in downward direction, its bottom rim 22 meeting the fixed cylindrical outer mantle 19 just above the melting grid 1.  A vertical baffle 48 may be fitted.  The actuating mechanism comprises a brace 26, pivotable around a horizontal axis, embracing the down pipe and supporting its inner wall 20 by means of tenons 23, and a pneumatic lifting mechanism for the brace comprising a pneumatic motor 32 operated through a three-way valve 36, a switch arm 38 moving in a vertical plane, and a switch rod 42 connected to the brace by means of a load arm 29 and provided with abutments 43, 44 at both sides of the switch arm, which abutments, in the highest or lowest position of the brace, operate the valve 36 through the switch arm.  Inert gas may be supplied through the hose connection 5.
Patent GB-1235043-A (GB)
Title: Oxo-6-cyclodecyl formate
IPC: C07C45/67
Filed: 1969-07-11
Abstract: 1,235,043. Oxo-6-cyclodecyl formate. SOC. CHIMIQUE DES CHARBONNAGES. 11 July 1969 [12 July, 1968 (3)], No. 35131/69. Heading C2C. The invention comprises oxo-6-oyclodecyl formate. It may be prepared by (a) contacting formic acid at 10-80‹ C. with a decalin hydroperoxide, a mixture rich in decalin hydroperoxides or hydroxy-6-cyclodecanone and distilling the resulting mixture, or (b) isomerizing epoxy-1,6-cyclodecyl formate in the presence of an acid catalyst and of small quantities of water or of a solvent. The epoxy compound used as starting material in (b) above may be prepared by reacting formic acid with decalin hydroperoxides in the absence of water. The oxo-6- cyclodecyl formate may be subjected to thermal decomposition in the vapour phase, preferably under reduced pressure and in the absence of a catalyst to give cyclodecene-5-one.
Patent GB-176536-A (GB)
Title: Improvements in means for indicating the direction of rotation of shafts
IPC: G01P13/04
Filed: 1920-12-14
Abstract: 176,536. Hunter, S., and Mackay, J. S. Dec. 14, 1920. Indicators, revolutiondirection.-Relates to shaftoperated apparatus actuating any suitable indicating- device, and consists in a sleeve carried by an eccentric on the shaft with an extension embraced by a movable jaw and arranged to move the jaw from one extreme position to another only when the direction of rotation of the shaft is reversed. The shaft b carries the eccentric a which rotates in a strap c provided with a laterally-extending roller d, which normally runs idly in the jaw e. The jaw is slidably mounted in a bracket f and kept in any set position by friction; when the direction of rotation is reversed the strap is moved by the eccentric through approximately 180‹ and the roller, leaving the end e<3> of the jaw, engages with the other end e', as shown by the broken lines, and forces it downwards, this movement being transmitted by a rod h to the indicating-device. The roller then continues to run idly on the face e<2> until the direction of rotation is again reversed. In a modification, a pivoted jaw is operated by the sleeve and rocked through an angle on reversal of the shaft.
Patent GB-605599-A (GB)
Title: Manufacture of quaternary ammonium compounds in paste form
IPC: D06M13/322
Filed: 1945-12-31
Abstract: Quaternary ammonium compounds in paste form, produced by causing a long-chain acidylamidomethylol compound to interact with a salt of a tertiary base in the presence of said base, in the presence of a liquid diluent containing at least 70 per cent by weight of an aliphatic (including cycloaliphatic) alcohol containing not more than 6 carbon atoms, are dissolved in aqueous treating bath to produce solutions, for use in making textile materials water-repellent, which are less liable to form than those prepared from the solid quaternary ammonium compounds.ALSO:Quaternary ammonium compounds of the type useful for making textile materials waterrepellent and obtained by reacting a long-chain acylamidomethylol compound with a salt of a tertiary base in the presence of said base are manufactured in paste form by carrying out the reaction in the presence of a liquid diluent containing at least 70 per cent by weight of an aliphatic (including cycloaliphatic) alcohol containing not more than 6 carbon atoms. Part of the alcohol to an amount not exceeding 30 per cent by weight may be replaced by other organic solvents, e.g. by liquid petroleum hydrocarbons, acetone or methyl-ethyl ketone. As source of long-chain acylamide, methylolamides from stearic, palmitic and myristic acids may be used, and as salts of tertiary bases, those of pyridine, quinoline, trimethylamine and picolines. In examples, methylol stearamide is condensed with pyridine hydrochloride, or g -methylpyridine hydrochloride in (2), using either concentrated aqueous hydrochloric acid or gaseous hydrogen chloride, in the presence of isopropyl alcohol, ethyl alcohol, n-butyl alcohol, tertiary amyl alcohol and cyclohexanol. Specification 475,170 is referred to.
Patent GB-767870-A (GB)
Title: Improvements in inking pads
IPC: B41K1/54
Filed: 1954-12-07
Abstract: Sheets of microporous or macroporous material to form inking pad elements (see Group XVI) are made of polyvinyl chloride, or a copolymer of vinyl chloride with a minor amount of vinylidene chloride, vinyl acetate or an acrylate, the porous structure consisting of intercommunicating cells which are not sealed at the face of the material.  The macroporous sheets may be formed by the process described in Specifications 727,679 and 728,600 using 120 parts of dry fine-ground sodium chloride having a mean diameter of 100 microns screened to remove any particles larger than 250 microns, mixed with 10 parts of polyvinyl chloride, 8 parts of polypropylene sebacate and 18 parts of methyl cyclohexanone; an 0.08 inch sheet is extruded, calendered to 0.04 inch, relieved of its solvent in an oven at 100-100 DEG  C., cooled, calendered to 0.02 inch between a bottom roll at 110-120 DEG  C. and a top roll at 80-90 DEG  C., leached in water, and dried at 55-60 DEG  C.  The microporous sheets (the pores of which, e.g. spherical, of 0.015 mm. diameter, and linked by 0.003 mm. diameter ports, may constitute 85 per cent of the volume) may be formed by the process described in Specifications 565,022 and 576,657, [both in Group IV], using 6 parts of maize starch granules (0.015 mm. diameter) mixed with 1 part of polyvinyl chloride (or one of the vinyl chloride copolymers) and 2 parts of methyl cyclohexanone or other solvent; polypropylene sebacate or other non-migratory plasticizers may be added; the mixture is formed into sheets and the solvent is evaporated; the sheets are immersed first in boiling water to swell the starch to tear open the intercommunicating ports, and then in boiling 1 per cent sulphuric acid to hydrolyse the starch so that it may be removed.
Patent GB-1312531-A (GB)
Title: Liquid applicator for strip material
IPC: B65C11/04
Filed: 1971-07-28
Abstract: 1312531 Coating labels BETTER PACKAGES Inc 28 July 1971 [15 Jan 1971] 35424/71 Heading B2L Apparatus for applying adhesive to labels comprises a lower portion 12 forming a reservoir and a cover 14 having a slipway 16 for guiding labels to a feed roller 24 which has a pressure plate 28 urged thereagainst by a spring 30 transfer and coating rollers 44, 46 being provided which apply adhesive to the lower surface of the label. The transfer roller 44 is mounted in arms 48 which are rotatably mounted on pins 52 so that it may be urged into contact with the applicator roller 46 by springs 64. The rollers 44, 46 are gear driven from the roller 24 so that the applicator roller moves faster than the label to produce a wiping effect. The surface of the transfer roller is of spiral construction so that coating medium is transferred to the applicator roller by a wiping action. Fingers 94 are provided to disengage and guide the coated label from the applicator roller. A pouring spout 38 is provided at one side of the lower portion of the casing so that the reservoir can be emptied.
Patent GB-508031-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04M1/60
Filed: 1937-12-23
Abstract: 508,031. Sub-station circuits and sets. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd., and ROSEBY, P.N. Dec. 23, 1937, No. 35681. [Class 40 (iv)] [Also in Group XL] In a loud-speaking telephone unit the microphone and loud-speaker comprise identical units which are mounted in close proximity with their axes substantially parallel and their mouths in substantially the same plane so as to reduce acoustic coupling. The microphone 17 and loud-speaker 18 are mounted in a sloping wad 21 of sound-absorbent material held against a metal protecting grille 16 by an apertured board 20 supported by a batten 19. The set includes an on-off switch 14, an indicator lamp 15 and a receiver 12 which rests on a spring strip 13 operating a switch 24, Fig. 4, by which the loud-speaker is disconnected when the receiver is taken into use. In the operation of the switch 14 the valves V1, V2, V3 are heated by a filament-supply circuit MRA.. MRD supplying a current greater than normal until a relay XC operates and at its contact xc1 removes the short circuit from chokes L1, L2, L3 and illuminates the lamp 15. Relay X also connects the instrument to the line which terminates in an attenuation equalizer AN1 and a balancing resistance R3. Speech currents from the microphone 17 are fed through valves V1, V2 to the hybrid coil HC and small amounts of the speech-current may be fed back to the valve V3 and the loud-speaker 18 when an out-of-balance condition prevails. Speech currents from a connected station pass to the hybrid coil HC and divide between the line balancing network and the primary of the transformer T1, the currents passing to the plate circuit of the valve V2 being without effect.
Patent GB-938661-A (GB)
Title: Improvements in friction material for use in clutch facings
Inventor: BURNETT ROBERT ALEXANDER
IPC: F16D69/02
Filed: 1960-10-18
Abstract: In making friction material (see Group V) <PICT:0938661/IV(a)/1> suitable for use as brakes, clutch linings &c. (see Groups XXIV and XXXIV), a braid is plaited from a textile yarn, such as asbestos fibres, on a braiding machine of conventional type, passed through a tank containing impregnating material e.g. a mixture of phenolic resin and rubber, passed through a drying tower and wound on bobbins. The braid is fed between a pair of winding plates 25, 26 which just touch each other and have similar bosses tapered to form a circular V-shaped groove.  A wheel 33 having a male V-shaped former surface 34 is mounted on a two-armed lever connected to a pneumatic ram which serves to force the wheel on to the braid, building up a spiral disc of collapsed braid with a V-shaped section.
Patent GB-1026125-A (GB)
Title: Improvements in or relating to snap action mechanism for electric switches
Inventor: ANGOLD EDWARD BARNABUS
IPC: H01H13/36
Filed: 1962-09-19
Abstract: 1,026,125. Springs. PLESSEY CO. (U.K.) Ltd. Sept. 12, 1963 [Sept. 19, 1962], No. 35712/62. Heading F2S. [Also in Division H2] In an electric switch an arched spring 21 provides for snap actuation of the contacts by a push button 28A.
Patent GB-1533009-A (GB)
Title: Making colour cathode-ray tubes
IPC: H01J9/227
Filed: 1976-08-27
Abstract: 1533009 Colour television tubes PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 27 Aug 1976 [1 Sept 1975] 35726/76 Heading H1D In a lighthouse method of producing a colour stripe phosphor screen for a colour television tube in which, for each colour-blue, in Fig. 2-a photosensitive layer is exposed from at least two positions disposed one on each side of the exposure centre of that colour, such that the light beams passing through the adjacent slots overlap while the beams passing through any given slot are spaced apart on the layer to give unexposed regions 13 on which the phosphor is deposited, colour error at the extreme edge stripes-the right-hand edge stripe 8 in Fig. 2- due to lack of exposure of the relevant areais prevented by exposing the surface additionally, Fig. 4, from the direction of the exposure centre of the appropriate one of the other colours-red, in Fig. 4. Correspondingly, to prevent colour error at the extreme left-hand edge stripes in Fig. 2, the photoconductive layer is exposed, when forming the red stripes, additionally from the direction of the exposure centre of the blue stripes (Fig. 5, not shown).
Patent GB-1485077-A (GB)
Title: High response unloading valve and press overload protection system including same
IPC: B30B15/28
Filed: 1975-08-29
Abstract: 1485077 Hydraulic presses GULF & WESTERN MFG CO 29 Aug 1975 [11 Oct 1974 (2)] 35752/75 Heading B5F [Also in Division F2] In a pressure relief valve for an overload protection system of a press, the chambers 148, 182 at opposite ends of a spool valve element 188 are normally at equal pressure but on press overload pressure in chamber 182 rises relative to that in chamber 148 so that the spool moves to the left to connect chamber 148 to a drain port 150 via valve surfaces 162, 154. Thereafter the excess pressure in chamber 182 accelerates the spool movement so that cylindrical portion 174 moves out of bore 158 to connect the chamber 182 to the drain port 150 and relieves the pressure in a piston-cylinder device of the press. The spool has a central square portion with rounded movement-guiding corners between which flows takes place from the chamber 148 to the drain port 150. This flow is throttled by a surface 176 on the spool to damp the movement of the spool towards the end of its movement to the left. The two chambers are supplied with pressure by a pump and are interconnected by a check valve. In a modification two dump valves are arranged in series between the chamber 182 and the piston-cylinder of the press, both valves allowing a restricted flow to the piston-cylinder.
Patent GB-1506165-A (GB)
Title: Variable capacitors
IPC: H01G5/10
Filed: 1975-05-21
Abstract: 1506165 Variable capacitor L H T LARGE 21 May 1975 [14 Aug 1974] 35763/74 Heading H1M In a variable capacitor the fixed electrode comprises internally threaded shell 3 and the movable electrode a helical plate 2 wound on edge on shaft 1 screwable within shell 3 to vary the capacitance, either or both of the members having an insulating coating constituting the capacitor dielectric. The members may be metal or metal-coated plastics. Shell 3 may house a brush holder or the like insulated therefrom and located so as to contact plate 2 through a groove in any insulation thereon.
Patent GB-1029658-A (GB)
Title: Improvements relating to machine saws, especially so-called hot saws
Inventor: FIRTH ARTHUR
IPC: B23D45/00
Filed: 1961-10-05
Abstract: 1,029,658. Sawing. STEWART & LLOYDS. Ltd. Oct. 5, 1962 [Oct. 5, 1961], No. 35891/61 Heading B5L. A machine for sawing or cutting metal billets comprises an adjustable work clamp 10 arranged to move towards and away from a fixed clamp 19 by a mechanism 24, 25 disposed ahead of the fixed clamp in the direction of feed of the saw blade or cutter, the machine being mounted for movement in a direction cross-wise to the feed direction of the saw blade or cutter, and the adjustable clamp being connected to the machine for movement therewith relative to stationary guide means 18. The clamp 10 is provided with guide rods which slide in guide tubes mounted on a carriage 15, the carriage being movable along a rail 18 and adapted to carry the blade or cutter 12 and frame 11 through a pair of arms 14; movement of the clamp to and from the work disposed on a roller table is effected by means of a power cylinder 24 and plunger 25 carried by the carriage 15.
Patent GB-1022166-A (GB)
Title: Polycarbonate plasticized polyurethanes
IPC: C08G18/44
Filed: 1962-09-21
Abstract: Linear polyurethanes comprise the reaction product of an aromatic polycarbonate derived from an aromatic diol in which either (a) each hydroxyl group is an alcoholic hydroxyl group or (b) each hydroxyl group is attached to a different aromatic nucleus, an aromatic diisocyanate and a linear aliphatic polyester having a molecular weight of 600 to 1200.  An alkylene diol may also be present in the reaction as a chain extender.  The aromatic diols specified are bisphenol A and various diols of the formula HO-R1-O-(R11)n-Ar-(R11)n -O-R1-OH wherein R1 is an aliphatic radical having 1 to 10 carbon atoms, R11 is a saturated divalent aliphatic radical having from 1 to 10 carbon atoms, n is 0 or 1 and Ar is a phenylene, diphenylene, diphenylenealkane where the alkane has from 1 to 4 carbon atoms, a diphenylene ether, a diphenylene sulphone or a naphthylene group. Many di-isocyanates are specified and the polyesters may be ethylene, propylene, butylene or hexylene adipate, succinate, pimelate, suberate, azelate or sebacate.  In the examples, a polycarbonate of 1,4-bis(2-hydroxyethoxy) benzene and poly(tetramethylene adipate) are reacted with m - phenylene di-isocyanate with or without 1,4-butanediol. The m-phenylene di-isocyanate may be replaced by diphenylmethane-p,p1-di-isocyanate. The products may be moulded or milled to give sheets or melt extruded to give fibres or filaments. Polycarbonates are prepared in Examples I, from diethyl carbonate and 1,4-bis(2-hydroxyethoxy)benzene by heating in the presence of NaOH and distilling off EtOH, heating under vacuum and distilling off excess polyol, dissolving in chloroform, deionizing with an ion exchange resin and vacuum drying; and II, by bubbling phosgene through a dioxan solution of 1,4-bis(2-hydroxyethoxy)benzene and pyridine, filtration and combination of the residue with that obtained by filtration after the addition of water to the original filtrate.