baber/WOPTO huggingface dataset:
Patent GB-307245-A (GB)
Abstract: 307,245. Tennant, W. J., (Merco Nordstrom Valve Co.). May 1, 1928. Locking. - Locking means for valves comprises a sliding bolt 32 adapted to enter a recess in a moving member and means for applying a fluid substance independent of the fluid controlled by the valve, (e.g. a lubricant) under pressure to force the locking bolt out of the recess to allow the moving member of the valve to be operated. A combined lubricating, locking, and actuating means is shown in Fig. 1 in which a plug 8 is locked by a spring-pressed bolt 32 and unlocked by a lubricating gun which is applied on the screwed shank 43 of the valve. As the handle of the grease gun is turned to force lubricant past the check valve 31, the pressure is applied to the locking-head 32 which is forced out of engagement with the plug. Simultaneously with release, the plug 8 itself is turned by the turning action of the handle of the gun, and the valve thereby actuated. A reversal of the plug to close the valve allows the bolt 32 to lock automatically.
Patent GB-746603-A (GB)
Title: Means for grinding the linings of brake shoes
Inventor: SCRIVENER ARTHUR
IPC: B24B19/28
Filed: 1953-11-07
Abstract: 746,603. Grinding the linings of brake shoes. SCRIVENER, Ltd., A. Nov. 8, 1954 [Nov. '7, 1953], No. 30864/53. Class 60 Means for grinding the linings of brake shoes comprises a power-operated machine incorporating a locating vice or carrier b for each brake shoe c to which an intermittent oscillatory motion is imparted through reduction gear, the lining c<SP>1</SP> of the brake shoe being brought into contact with the periphery of the grinding wheel f through a predetermined arc which results in a surface grinding operation along the periphery of the lining. The carrier b is provided with locating pegs b<SP>1</SP> and is mounted on a shaft a driven through gearing e, e<SP>1</SP> by a crankshaft l which is automatically stopped at the end of each complete revolution by a cam m. This cam operates a push rod n and a bell crank lever o to break a toggle linkage h and thus permit a spring p to move a lever and a clutch k from engagement with a driven worm wheel k<SP>1</SP> into engagement with a friction disc brake q. To start the carrier b, oil is admitted through a port x to a cylinder g to return the clutch k into engagement with the worm wheel k<SP>1</SP>. A guard, which prevents the machine from being started unless it is in closed position, may be provided.
Patent GB-1030555-A (GB)
Title: Gas-fired heating appliance
IPC: F24H9/20
Filed: 1964-08-04
Abstract: 1,030,555. Water heaters. ING. TRAUTNER G.m.b.H. Aug. 4, 1964 [July 23, 1963; Oct. 19, 1963], No. 30960/64. Headings F4A and F4W. A common casing 2 contains two separately operable gas - fired water heaters 1a, 1b (Fig. 2, not shown), the uppermost space within the casing 2 being formed as a collecting chamber 7 connected with the internal spaces through which pass the hot gases from each of the water heaters 1a, 1b As shown in Fig. 2, from the top of each of the water heaters 1a, 1b the hot gases pass to antechambers 3a, 3b and then out from apertures 4a, 4b in the front slanting wall of the antechambers into baffle space 9 (Fig. 3), which communicates with the free space outside the casing so providing an outlet for the gases in the event of blow-back from the flue 11. The gases then enter the common collecting chamber 7 past thermally actuated dampers 5a, 5b to flow to the chimney via flue 11 which may have an elbow (not shown). In a modification, Fig. 5 (not shown), the baffle space and collecting chambers are combined, the thermally-actuated dampers being mounted in the apertures in the front slanting walls of the antechambers. In a second modification (Fig. 6, not shown), the heaters 1a, 1b are provided with a common tapering antechamber 7a which funnels into the collecting chamber 7 connected to the flue 11. A horizontal plate 14 with raised edges diverts gases from the flue 11 during blowback from the collecting chamber 7 to communicate with the space outside the casing whilst the vertical partition 13 in the common antechamber 7a prevents exhaust gas flows from one heater to the other. Pre-prepared knockout portions may be provided in the casing to facilitate the connection of the flue pipe, the heaters may be interlocked to prevent both operating together and the unit may be mounted over a sink.
Patent GB-1075688-A (GB)
Title: Improvements in or relating to control apparatus for lifts
Inventor: STANDEN GILBERT ALFRED
IPC: B66B1/34
Filed: 1965-07-21
Abstract: 1,075,688. Lifts. B.K. SWITCH CONTROLS Ltd. April 14, 1966 [July 21, 1965], No. 30989/65. Heading B8L. Electrical control apparatus for a lift comprises a plurality of pre-assembled and pre-wired modules each in the form of a bar or rail carrying an assembly of components connected to perform a specific function. In one embodiment, the apparatus comprises four modules mounted horizontally on a framework, each module having a terminal block for external connections. A fifth module is mounted vertically so that it lies across the other modules. One module may comprise, for example, a support for " up," " down," and " main " contactors as well as a fuse base, whilst other modules include rectifiers and timing units. A phase-failure relay " gates-open " relay, and a transformer may be arranged to form another module, the vertically-fixed module comprising the floor-relays. The apparatus is enclosed in a housing suitable for mounting on a wall with entry plates to enable the wiring to be brought from above or below.
Patent GB-371325-A (GB)
Title: Improved method of compounding rubber and product obtained thereby
IPC: C08K5/04
Filed: 1930-10-16
Abstract: As a substitute for stearic acid, there is incorporated into a usual rubber mix the liquid or acid portion with or without the solid or asphaltic portion of an oxidation product of a solid or liquid paraffin hydrocarbon such as paraffin wax.  This material acts as an activator of accelerators of vulcanization and also as a softener.  A suitable process for oxidizing the paraffin hydrocarbon is described in Specification 287,514, [Class 140, Waterproof &c. fabrics]. Examples are given showing the effect of the above products when added to a rubber mix.
Patent GB-331455-A (GB)
Title: Improvements in or relating to portable electrical fittings or handlamps
IPC: F21V15/02
Filed: 1929-10-12
Abstract: 331,455. Smith, R. A., Baggs, H. G., and Wilkins, J. A. Oct. 12, 1929. Hand lamps without lanterns.-In a portable electric hand lamp a curved shade or reflector K is held in position in an annular shouldered recess D in the body or handle portion A by means of one or more projections J on the hinged door L of a guard G. The reflector K comprises a cylindrical or conical sheet of metal, cardboard, celluloid or other material and extends around approximately half the circumference of the guard. The latter is preferably constructed of wire, the projections J being formed by turning up parts of the hinge H. The handle A is made in one piece of wood or other insulating material and is provided with a recess F for shielding a lamp-holder E, which is preferably made of insulating material, and with a gland B for gripping the flex C.
Patent GB-465612-A (GB)
Title: Improvements in or relating to controlling gear for friction clutches
IPC: F16D25/10
Filed: 1935-11-09
Abstract: 465,612. Change-speed gearing; friction clutches. BRISTOL AEROPLANE CO., Ltd., FEDDEN, A. H. R., and OWNER, F. M. Nov. 9, 1935, No. 31060. [Class 80 (ii)] Two-speed countershaft gearing between an engine shaft 10 and a supercharger shaft 11 embodies hydraulically-actuated friction clutches. Gears 16, 17 on the shaft 10 mesh with gears 18, 19, the gear 18 being integral with a sleeve 36 journalled on a stationary spindle 32 and the gear 19 being secured on a sleeve 39 journalled on the sleeve 36. A gear 21 journalled on the sleeve 39 meshes with a gear 22 on the shaft 11. A faced plate 43 integral with the sleeve 39 is disposed between a plate 50 secured within the gear 21 and a piston 53 slidable in the latter. A faced plate 44 secured on the sleeve 36 is disposed between the plate 50 and a plate 64 splined in the gear 21, while a faced plate 46 splined on the sleeve 36 is disposed between the plate 64 and a piston 57 slidable in the gear 21. The various plates are normally separated by spring washers. The spindle 32 is provided with two end bores 67 and 72, a supply of oil under pressure being so controlled by a piston valve (not shown) that oil is supplied to either of the bores and is discharged from the other. The bore 67 communicates with the space between the piston 53 and the adjacent end wall 52 of the gear 21, while the bore 72 communicates with the space between the piston 57 and the adjacent end wall 56 of the gear 21. Thus, if oil is supplied to the bore 67, the gear 21 is forced to the left and the piston 53 to the right, the low-speed clutch 43, 50, 53 being thus engaged and the highspeed clutch 44, 46, 50, 57, 64 being disengaged. By supplying oil to the bore 72, the high-speed clutch is engaged and the low-speed clutch disengaged. The plates 46, 64 may be omitted. Grooves 92, 93 formed in the cylinder portions of the gear 21 terminate at their inner ends in ungrooved lands 94, the arrangement being such that, when either clutch is disengaged, the oil between the corresponding piston and the end wall of the gear is completely discharged under centrifugal action through the grooves to drain holes 95. When the clutch is engaged, the land 94 prevents further discharge. A chamber 77 disposed between the bores 67, 72 is separated therefrom by non-return valves 78, 79, so that oil passes into the chamber 77 from that bore to which oil is being supplied. From the chamber 77, oil passes through ports and grooves to lubricate the various bearing surfaces.
Patent GB-799189-A (GB)
Title: Improvements in or relating to electric gating and like circuits employing transistors
Inventor: MORGAN LEONARD PETER
IPC: H03K5/15
Filed: 1955-10-31
Abstract: 799,189. Transistor gating circuits. MULLARD RADIO VALVE CO., Ltd. Aug. 30, 1956 [Oct. 31, 1955], No. 31129/55. Class 40(6). In a gating circuit arranged between two transistor trigger circuits B1, B2, a transistor Tg is arranged with its base held at constant potential, the collector connected to the input of the second trigger circuit and the emitter to a pulse input voltage P with a steering voltage circuit including a delay connected from the first trigger circuit so that the second trigger circuit is set to the same state as the first by a pulse P. The circuit is described as applied to a decade counter in which a binary stage (not shown) fed with input pulses supplies pulses to the line P and also to the input of stage B1, there being three subsequent stages followed by a further gate and blocking oscillator. The first pulse from the binary stage is effective to render the trigger circuit B1 on, so that transistor T11 is conducting and T12 is non-conducting. In the off stage the point e12 is near to the collector supply voltage and the emitter of transistor Tg is biased sufficiently negative that input pulses P are ineffective. When the stage B1 passes to the on condition point e12 rises to near the base potential of transistor Tg so that the succeeding pulse is passed through the transistor Tg to trigger the next stage B2. When transistor T21 is rendered conducting, the collector potential rises but is prevented from exceeding that of the base potential of transistor Tg due to conduction in the collectorbase diode, thereby reducing the effects of hole storage. In order to prevent the pulse being effective in a second stage when triggering the first a delay circuit Rp, Cp is effective to ensure that the emitter potential of the transistor Tg rises sufficiently slowly. Since the point e12 has a low impedance with respect to the battery potentials, pulses P fed into the transistor Tg are ineffective on the preceding trigger circuit. Each of the output pulses from the binary state is effective to set the trigger stages into the on condition, the fifth pulse being effective to operate the blocking oscillator which supplies resetting pulses to the base resistors of transistors T11, T21 and passes an output to an indicating stage. The trigger circuits are of the form described in Specification 767,727. Alternatively, those described in Specifications 791,545 or 791,546 may be employed.
Patent GB-1116996-A (GB)
Title: An improved roof edging strip
Inventor: PESCI JOHN AUGUSTUS
IPC: E04D13/15
Filed: 1966-07-12
Abstract: 1,116,996. Edging strip for covered roofs. C. A. C. ENGINEERING Ltd. 10 May, 1967 [12 July, 1966; 5 Oct., 1966], Nos. 31261/66 and 44512/66. Heading E1W. A roof edging strip comprises an open channel of substantially U-shaped cross-section, the inner side wall 12 of which carries, along its upper edge, a flange 14 directed away from the channel and adapted to be secured upon the roof surface, the lower part of the channel also being provided with an auxiliary rib extending beneath the flange 14. The rib 18 may be coplanar with the channel base 16 or may be directed obliquely upwards from the bottom of a downward extension of the channel outer side wall, Fig. 3 (not shown). Grooves 26 and ribs 28 key with asphalt applied over the roof and in the channel. Adjacent similar strips may be connected by an internally fitted channel shaped splicing member, Figs. 2 and 4 (not shown). The strip can be dimensioned to make it suitable for use with laminated felt roofing.
Patent GB-787441-A (GB)
Title: Improvements relating to the refining of iron
IPC: C21C5/32
Filed: 1955-11-02
Abstract: A process of refining pig iron containing more than 0.2 per cent phosphorus by blowing oxygen into or on to the metal and adding ore or mill scale, lime, and flux comprises refining under a dephosphorizing slag with a uniform strong supply of oxygen in two stages, in the first of which the carbon is reduced to less than 0.2 per cent and the phosphorus to not more than five times the carbon content, removing the first slag, recarburizing to a carbon content of more than 0.2 per cent and preferably to between twice and fifteen times the carbon obtained at the first stage, adding a new slag, and finishing the refining with an oxygen supply of the same strength. The heat may be recarburized with solid or liquid open hearth pig iron, speigeleisen, ferromanganese, or electrode graphite and the second slag may be a fine grained or liquid slag from a previous heat, alone or mixed with lime and flux, in which the P2O5 content is not above 2 per cent.
Patent GB-450747-A (GB)
Title: Improvements in and connected with radiators especially for use with internal combustion engines
IPC: F28F1/12
Filed: 1935-11-13
Abstract: 450,747. Plate heat - exchangers. SEARLE, C., 53, Bayham Street, Camden Town, London. Nov. 13, 1935, No. 31396. [Class 64 (iii)] A radiator particularly for internal-combustion engines is constructed from corrugated plates the original corrugations of which are deformed to provide zones or strip 6, Figs. 1, 3, having shallower corrugations and to form between co-acting pairs of plates passages for the flat tubes 1 connecting the upper and lower headers of the radiator. The strips 6 are separated by narrower strips having corrugations 7, 8, the plates being split at the ends 9, 11 of the latter corrugations to form abutments for the tubes and to permit a free flow of air over the tubes. The corrugations of end plates are secured by soldering to shallower corrugations of an adjacent plate and the plates are further secured to one another along the crests of the corrugations 12 of the margins of the plates to form a honeycomb-like structure.
Patent GB-1011711-A (GB)
Title: Ferromagnetic compounds
IPC: H01F1/40
Filed: 1964-08-04
Abstract: A ferromagnetic compound has the general formula <FORM:1011711/C6-C7/1> where A1A1=Gd, Tb, Dy; 1>y\sF0; 1>x\sF0. The compound may be made by initiating an exothermic reaction the constituents in a sealed Ta or Mo crucible.  Thereafter the crucible may be cooled immediately or maintained at a temperature of 1500 DEG C. for 20 minutes before cooling.
Patent GB-618123-A (GB)
Title: Improvements in high drafting devices for the drawing heads of ring spinning frames and similar textile machines
IPC: D01H5/62
Filed: 1946-10-23
Abstract: 618,123. Clearing-arrangements in drawing-apparatus for fibrous materials. FINE SPINNERS & DOUBLERS, Ltd., and ROSS. T. Oct. 23, 1946, No. 31444. [Class 120(ii)] The lower band C' of a pair of drafting bands, extending between intermediate and front drawing rollers of a ring spinning or similar machine, is cleaned by a short endless clearer D carried by a support a, the cleared D being in frictional contact with and rotated by the surface of the band C<SP>2</SP> . The clearer may be formed of short lengths of clearer cloth with the ends stitched or otherwise secured together.
Patent GB-970469-A (GB)
Title: Olefin cracking promoter
IPC: C07C4/10
Filed: 1963-08-09
Abstract: Cracking olefins to effect cleavage at a position beta to the double bond is effected in the presence of methylene chloride; the product comprises two olefins or a diolefin and a paraffin. Cracking is effected at 400-900 DEG  C., 10 mm. Hg to 500 p.s.i.g. for 0.001-3 seconds in the presence of a diluent, e.g. steam, carbon dioxide, hydrogen, paraffins or a refractory olefin, in an amount of 0.5-15 mols. per mol. of olefin. The amount of methylene chloride may be 0.5-50% mol. based on the olefin.  Many suitable feeds are specified for the production of butadiene, isoprene, 2-ethylbutadiene, 2,3-dimethylbutadiene, 2- or 3-methylpentadiene-1,3, and piperylenes. In an example, 3-methylpentene-2 is cracked to isoprene.
Patent GB-533859-A (GB)
Title: Improvements in and relating to frangible tableware articles, such as plates, saucers and the like
IPC: A47G19/02
Filed: 1939-12-05
Abstract: 533,859. Plates, saucers, &c. RATNER, R. Dec. 5, 1939, No. 31510. Convention date, Jan. 11. [Class 128] Plates, saucers, and like articles of frangible material are provided with a rib 9, stated to be for the purpose of preventing vibration, disposed at the underside of the outwardly extending rim portion 6. The rim may be formed with a beaded edge 7. The Specification as open to inspection under Sect. 91 states that the rib may be situated on the bottom of the article, within the base rim 8, and also that more than one rib may be provided. This subject-matter does not appear in the Specification as accepted.
Patent GB-511596-A (GB)
Title: Improvements in and relating to internal combustion engines
IPC: F02B75/02
Filed: 1937-11-17
Abstract: 511,596. Cylinders ; oil engines ; regulating. DRAGOS, T. Nov. 17, 1937, No. 31680. Void. Convention date, Nov. 17, 1936. [Classes 7 (ii), 7 (iii) and 7 (vi)] In a compression-ignition engine, cylinder compression pressure is kept constant by an auxiliary stepped piston 22 which is loaded by cylinder gases, tapped through a valve 23 kept seated by a light spring 24. A plunger 25 loaded by a heavy spring 27 closes the valve 23 when the requisite pressure is reached. A safety valve 33 is also provided, and air admitted through a port 21 cushions the return stroke of the piston 22. In the two-stroke engine shown, in addition to the normal scavenging and exhaust ports 15, 16, a further port controlled by a valve 18 operated by the engine and regulated by the governor allows supercharging or rejection of part of the charge, which may be combustible mixture or air. In an oil engine, liquid fuel is injected through an injector 6 by a pump, the plunger of which is directly operated by the crosshead 10. In place of the restricted combustion chamber 4, an annular extension of the piston having tangential ports may enter an extension of the bore in which the auxiliary piston slides to form a flat combustion chamber into which the fuel is sprayed by radial orifices.
Patent GB-1283843-A (GB)
Title: Process for the preparation of solutions of acrylonitrile polymers
Inventor: MISON ANDRE
IPC: C08J3/11
Filed: 1970-06-30
Abstract: 1283843 Preparation of acrylonitrile polymer solutions RHONE-POULENC SA 30 June 1970 [30 June 1969] 31754/70 Heading C3P Spinnable solutions of acrylonitrile polymers are produced from wet acrylonitrile polymers by subjecting a thin film of a dispersion of the wet polymer in a solvent for the polymer having a boiling point higher than water, to conditions of temperature and pressure such that the water is removed by evaporation, and a solution of the polymer in the solvent ensues. The solvent is preferably dimethyl formamide, dimethyl-acetamide or dimethyl sulphoxide. The dispersion preferably contains 5-30% by wt. of the polymer, 5-50% by wt. of water and 50-90% by wt. of the solvent, the amount of water being not more than twice that of the polymer. The film of dispersion is preferably less than 1 mm thick and is treated at 0-50‹ C. at a pressure below 100 mm Hg. The polymer is of the filament forming acrylic type (at least 85% by wt. acrylonitrile units) and the modacrylic type (35 to 85% by wt. acrylonitrile units). The process may be carried out continuously in commercially available apparatus. In the examples polymer latex cakes of acrylonitrile, and acrylonitrile/vinylidene chloride or methyl methacrylate / vinyloxybenzene sulphonate which have been produced by emulsion polymerization, are treated, to form solutions in dimethyl formamide.
Patent GB-1058184-A (GB)
Title: Electric digital shaft encoders
Inventor: HORRATH GYULA
IPC: H03M1/00
Filed: 1962-08-20
Abstract: 1,058,184. Electric selective signalling systems. ROTAX Ltd. Aug. 8, 1963 [Aug. 20, 1962], No. 31829/62. Heading G4H. A photo-electric shaft position 19 encoder comprises a cylindrical coded scale 18, a light source 20, a row of photo-cells 27, and is characterized by a lens 28 which directs the light from the source to the cells via the scale. The light source could be a solid state device.
Patent GB-875291-A (GB)
Title: Improvements in the control of aircraft
IPC: B64C13/00
Filed: 1958-10-06
Abstract: 875,291. Controlling aircraft. EVANS, D. J. Sept. 22, 1959 [Oct. 6, 1958], No. 31875/58. Class 4. An aircraft comprises a rudder 16 on a vertical shaft 18 having an integral transverse lever 20, the ends of which are attached to rods, cables, or the like 36, 38 also attached to transversely pivoted levers 30 (one shown in Fig. 4) each working in an aperture 22 in the cockpit floor and coupled by pin and slot means 66, 68 to a rod 56 terminating in a pedal 60. Each rod is: attached to a piston 70 in a double acting centering spring box 48. The two rods or cables 36, 38 need not be crossed.
Patent GB-741914-A (GB)
Title: Infant's garment
IPC: A41B13/00
Filed: 1953-11-17
Abstract: 741,914. Babies' pants. PERFECT KNIT TOGS, Inc. Nov. 17, 1953 [Nov. 28, 1952], No. 31916/53. Class 141. [Also in Group XXV] A diaper 31 is held in position in baby pants 11 by fastening means comprising flexible tabs 24, 25 each of which is provided with a semicircular tongue 38 having a serrated edge 30a which co-operates with the corresponding edge of the opening formed in the tab by cutting out the tongue. The sides of the diaper are received in pockets formed by flaps 33, 34 of plastic material. The parts are provided with concave leg openings 20 and with snap fastener elements 22, 23 for securing the sides of the pants together and the top thereof to a blouse 10. In a modification, the pants are provided with elastic along the upper edge.