baber/WOPTO huggingface dataset:
Patent GB-1090731-A (GB)
Title: Improvements in and relating to braking systems for motor vehicles
Inventor: PARKER SYDNEY MCDONALD
IPC: F16D51/52
Filed: 1963-02-05
Abstract: 1,090,731. Drum brake. AUTOMOTIVE PRODUCTS CO. Ltd. May 5, 1964 [Feb. 5, 1963], No. 4668/63. Heading F2E. An internal shoe drum brake has one end of one shoe bearing against a yieldable abutment which supports the shoe against circumferential displacement by contact of the brake shoe with the drum until a predetermined torque is reached resulting in yielding of the abutment whereby further increase of brake torque is prevented even though the brake actuating force may increase, stop means being provided for limiting the spread of the brake shoe by the shoe expanding means. In the yieldable abutment shown in Fig. 3 a prestressed spring 23 holds the parts 20, 26, 29 against rightward movement during normal braking, but when the force exerted by shoe 3 becomes excessive the spring yields. The members 26, 28, 29 are free to move leftwards to provide a duo-servo action of the shoes 2, 3 when the vehicle fitted with the brakes is moving in reverse. The actuator, Fig. 1, has a collar 16 on the piston which operates the shoe 3, the collar abutting the cylinder portion 15 when the abutment at the other end of the shoe yields. The yieldable abutment is provided with an automatic wear adjuster 30, 31, 32 which operates, when required, on brake application during reverse movement of the vehicle. In another embodiment the adjuster for shoe 3 is provided on the actuator (Figs. 4 and 6, not shown). An adjuster of the type disclosed in Specification 992,873 is provided for the other shoe (70, 71, 72, Fig. 4, not shown).
Patent GB-888663-A (GB)
Title: Improvements in wrapping apparatus
Inventor: JOHNSON REGINALD FRANK
IPC: B65B51/18
Filed: 1959-02-11
Abstract: 888,663. Wrapping machines. ROSE BROS. (GAINSBOROUGH) Ltd. Jan. 26, 1960 [Feb. 11, 1959], No. 4728/59. Class 94(1). A wrapping machine in which a succession of articles is placed on a web which is folded round them to tubular form and sealed longitudinally and transversely to produce packages, includes a succession of grippers for advancing the web by gripping the tube between articles, and photo-electric means to permit momentary slip or release of the grippers when incorrect synchronisation occurs. The tubed web 11 is sealed transversely between articles 12 by spiders 16 and is gripped at the seals by blocks 19 on chains 18. Bars 26 are pressed by springs 35 on to the lower runs of the upper chains to supply gripping pressure. Each bar 26 is supported by rods 27 having rollers 29 in engagement with cam bars 32. Sliding adjacent each cam bar is a rod 38 bearing a roller 41 in contact with a cam 42 which reciprocates it periodically in synchronism with a photo-electric device scanning marks on the web. When a mark fails to register, a solenoid 37 raises a latch 36 which enters aligned slots 34 in the cam bars 32 and rods 38 to connect them. The bars 32 are thus reciprocated periodically to raise the bars 26 via their rods 27 and thus permit slip between the grippers and tube. Blades 222 separate the completed packages.
Patent GB-552837-A (GB)
Title: Improvements in and relating to the heating elements of electrical soldering irons
IPC: B23K3/03
Filed: 1942-04-10
Abstract: 552,837. Electric soldering irons. MILLER, T. D. WARDApril 10, 1942, No. 4755. [Class 39 (iii)] A soldering iron comprises a steel tube 1 having a winding 2 which is enclosed in a die cast outer shell 3. A copper bit 4 is secured within the tube 1 by a pin 11 and screw 5. The rear end of the tube 1 is closed by a disc carrying a flat-sided stem 6, against which the current leads 7 are held by asbestos string wrapping 8. The shell 3 is connected to a handle 9 by a metal tube 10. The winding 2 may consist of one or more layers of resistance wire separated from one another and from the tube 1 and shell 3 by-layers of mica.
Patent GB-878827-A (GB)
Title: Catalytic treatment of alumina
Inventor: ROBERTS ELLIOT JOHN
IPC: C01F7/02
Filed: 1958-02-13
Abstract: a -alumina alumina is produced by calcining an alumina hydrate in a fluidised bed (24) to form g -alumina and heating the latter in a separate fluidised bed (31) in the presence of a fluoride catalyst whereby a -alumina is formed.  The gas arising from the catalytic bed is discharged in such manner that it does not pass through the calcining bed or mix with the gas arising therefrom. Specified fluoride catalysts are calcium fluoride, sodium fluoride and (preferably) aluminium fluoride, the latter <PICT:0878827/III/1> of which may be formed in situ with hydrogen fluoride.  In the preferred embodiment, illustrated in the Figure (to which the above numerals relate) the hydrated alumina is fed conventionally through a reactor R containing two preheating beds 22 and 23 and a calcining bed 24 to which fuel is supplied at 35 maintained at 1600-2000 DEG F.  Gases arising from the uppermost bed are withdrawn and fines entrained therein separated and returned through lines 54 or 56 either to the calcining bed or the catalytic bed 31.  The calcined material is passed through fluidised trap 37 to the fluidised catalytic conversion bed 31 maintained at 1600-2000 DEG F. if necessary with the addition of fuel or with cooling coils or sprays or by using otherwise heated fluidising gas.  Catalyst is admitted to bed 31 as a fine powder (which vaporizes under reaction conditions) through line 39.  The so-formed a -alumina is then passed to a cooling bed 42 and thence discharged at 48.  Air for fluidisation is admitted to the cooling bed 42 from wind box 44, is preheated and used in part to fluidise the catalytic bed 31 and in part the calcining bed and superimposed beds.  Gas arising from the catalytic bed first has entrained a -alumina removed at 58 (said alumina after passage through fluidised trap 61 being combined with the cooled product) and is then cooled in a boiler or other heat exchange apparatus 64.  The conduits between the catalytic bed and the boiler are insulated. Vaporized catalyst condenses and is discharged through line 73 and returned to the catalytic bed.  The resultant gas may still contain very fine catalyst particles and may be passed through a further separator to recover the catalyst, before discharging to the atmosphere.  By adjustment of valve 71, the amount of gas passing through the catalytic bed and hence also, through the reactor R may be regulated.  The amount of gas may be further regulated by means of valve 77, in the outflow line from the reactor R.
Patent GB-100229-A (GB)
Title: Improvements in or relating to Escapement Mechanisms.
IPC: G04B15/08
Filed: 1916-04-01
Abstract: 100,229. De Long Escapement Co., (Assignees of Long. C. E. de). April 1, 1915, [Convention date]. Escapements. - In the lever escapement, the pallets 10 are made ao that they can be set in holes in the arms of the lever 3 to project at right-angles to its general plane. The form of a pallet is preferably a larger segment of a cylinder, but may be flattened, Fig. 6, or prismatic, Fig. 7, with rounded edges. The arm of the lever, Fig. 8, may be split up to the hole, so as to hold the pallet with a spring grip.
Patent GB-689524-A (GB)
Title: Improvements in and relating to drinking troughs, more particularly for pigs
IPC: A01K7/06
Filed: 1951-02-28
Abstract: 689,524. Drinking troughs in animal pens. MIELE, C. Feb. 28, 1951, No. 4320/51. Class 20(i) A sty wall 4 has provided in it a shallow basin 1 for a drinking trough which has a water valve 2 adopted to be operated by an animal to supply water to the trough. No part of the trough projects into the sty. In the embodiment shown the valve 2, which is held closed by water pressure, is mounted on a fixed support 9 in a casing 3, the valve stem 8 being moved axially to open the valve when a plate 6 is swung about a pivot 7 by the head of an animal entering the trough. In one modification a rod extending across the width of the trough replaces the flap 6, and in a further embodiment means are provided for regulating the valve aperture.
Patent GB-487265-A (GB)
Title: An improved process for solubilising crude phosphates intended for fertiliser purposes
IPC: C05B5/00
Filed: 1937-02-17
Abstract: In the refining of iron by melting it in a converter, reverberatory furnace, shaft furnace, electric furnace, &c., crude phosphate in lump form or in the ground state is added to the charge, and the slag obtained then added to a further charge whereby a phosphate with a high degree of citrate solubility is obtained.ALSO:In the refining of iron by melting it in a converter, reverberatory furnace, shaft furnace, electric furnace, &c. crude phosphate in lump form or in the ground state is added to the charge, and the slag obtained then added to a further charge, whereby a phosphate with a high degree of citrate-solubility is obtained.
Patent GB-556020-A (GB)
Title: Improvements in and relating to projectors for firing grenades and the like
IPC: F41F1/06
Filed: 1942-04-14
Abstract: 556,020. Bomb throwers. SCHERMULY, C. D., SCHERMULY, A. J., and SCHERMULY, C. April 14, 1942, No. 4882. [Classes 92 (i) and 92 (ii)] Bomb throwers or mortars of the type comprising an inclined barrel 1 with a tripod or like front support are provided with percussion firing mechanism arranged between the barrel and its rearward ground extension, the mechanism comprising a spring- controlled striker 13 arranged diametrically of the barrel and having a cone-shaped portion 16 for operating the firing pin 9. The striker is cocked into engagement with a sliding sear 17 against the action of the spring 21 by striking a knob 15, and the sear is released from a groove in the striker by pulling a trigger 18.
Patent GB-1237762-A (GB)
Title: Improvements in or relating to tool-holding devices
IPC: B23Q3/155
Filed: 1968-01-31
Abstract: 1,237,762. Tool holders. MOLINS MACHINE CO. Ltd., and J. M. HUTCHISON. 30 Jan., 1969 [31 Jan., 1968], No. 4909/68. Heading B3B. A device for holding tools in a magazine 1 with their shanks 12 extending for picking-off by a tool spindle, comprises an annular member 4 retained in the magazine by screw 5 and having a bore 7, and a collar 14 which is attached to the tool and received in the bore 7. The collar 14 includes a peripheral groove 15 which is engaged by spring biased retaining elements 8. The cutting portion 13 of the tool is received in a further relatively smaller diameter bore 16 in the annular member 4.
Patent GB-490542-A (GB)
Title: Improvements in processes for fireproofing materials
IPC: D06M13/292
Filed: 1937-02-18
Abstract: Transparent films or sheets of organic hydrophilic colloids such as gelatine, casein, cellulose hydrate, cellulose ethers or oxy-ethers, are fireproofed by incorporating therein a water-soluble salt of an aliphatic organic nitrogen base with an acid of phosphorus.  The cellulose hydrate may be regenerated from viscose, cuprammonium cellulose, or zinc chloride solution of cellulose or made by deesterifying cellulose esters such as the acetate or nitrate. Suitable organic bases are primary, secondary or tertiary amines, tetra - alkyl ammonium hydroxides, and their alkyl or hydroxy derivatives.  The acid may be orthophosphoric, pyrophosphoric, metaphosphoric, hypophosphoric, phosphorus or hypophosphorous acids. The fireproofing agent may be applied in aqueous solution or added to a solution of the colloid from which the sheet or films are made. Ammonium bromide, iodide, selenate, sulphate or phosphate may be added.  Examples describe the treatment of regenerated cellulose sheet with di-(triethanolamine) monohydrogen orthophosphate or propylamine metaphosphate.  The treated sheet may be softened by glycerine before drying. Specification 437,226, [Group VIII], is referred to.ALSO:Transparent films or sheets of organic hydrophilic colloids such as gelatine, are fireproofed by incorporating therein a water-soluble salt of an aliphatic organic nitrogen base with an acid of phosphorus.  Suitable organic bases are primary, secondary or tertiary amines, tetra-alkyl ammonium hydroxides, and their alkyl or hydroxy derivatives.  The acid may be orthophosphoric, pyrophosphoric, metaphosphoric, hypophosphoric, phosphorous or hypophosphorous acids.  The fireproofing agent may be applied in aqueous solution or added to a solution of the colloid from which the sheet or films are made.  Ammonium bromide, iodide, selenate, sulphate or phosphate may be added.  Examples describe the treatment of regenerated cellulose sheet with di- (triethanolamine) monohydrogen orthophosphate or propylamine metaphosphate.  The treated sheet may be softened by glycerine before drying. Specification 437,226, [Group VIII], is referred to.
Patent GB-1504835-A (GB)
Title: Lighting device for illuminating an air field runway
IPC: F21S8/00
Filed: 1976-02-09
Abstract: 1504835 Airfield runway lamps FONDET TIL FREMME AF TEKNISK OG INDUSTRIEL UDVIKLING 9 Feb 1976 [10 Feb 1975] 04953/76 Heading F4R An airfield runway lamp comprises a casing 10 in which lamp units for each of two opposite approach directions are hermetically sealed in separate channels 25, 25a and the beams are emitted through at least one refractive body 14. In one arrangement, as shown, a single prism 14 is traversed by light from two sources 28, 28a. The channels 25, 25a are sealed by fillets 21, 21a and 0-rings 40 at a rear plug 36. Reflector units 26, 26a are sprung into contact with the prism 14 so that light is beamed from prism faces 18, 18a. In another arrangement, each lamp unit has a separate prism and the optic axes are offset on either side of a diametral plane of the casing (Figs. 3, 4, not shown). In further arrangements, the casing is made deeper to house the lamps with their axes vertical and with a triangular prism above each lamp to deflect light in the approach directions.
Patent GB-1511242-A (GB)
Title: Adhesive tapes and method of bonding
IPC: C09J7/28
Filed: 1975-05-02
Abstract: 1511242 Adhesive tapes EVODE Ltd 2 May 1975 [4 Feb 1974] 04965/74 Heading B2E An electrically conductive tape for adhesively bonding two surfaces comprises an electrically conductive substrate e.g. of aluminium foil which is preferably perforated, having a continuous or discontinuous layer on one or both faces of an adhesive which under the influence of heat undergoes an irreversible cross-linking reaction. The conductive substrate is heated by passage of an electric current while maintaining the tape in contact with the surfaces to be bonded, thereby heating the adhesive and inducing formation of a permanent adhesive bond by at least partial curing of the adhesive. The adhesive, which is preferably flowable at the elevated temperature, suitably possesses sufficient tack at ordinary temperatures to form a temporary adhesive bond before heating. Suitable adhesives are epoxy resins, phenol-formaldehyde resins, melamine resins, aldehydic resins, polyamides, polyimides, polyimidazoles, isocyanate-polyester compositions and polymers of vinyl monomers capable of cross-linking. The adhesive may contain particulate or fibrous fillers and modifying agents enclosed in micro-capsules which are released when the adhesive is heated.
Patent GB-550612-A (GB)
Title: Improvements in dust destructors
IPC: F23J15/00
Filed: 1942-04-15
Abstract: 550,612. Refuse-consuming furnaces. BACHRICH, L. April 15, 1942, No. 4980. [Class 51 (i)] Refuse is fed on to a stepped grate 18, dried and burnt and the gases passed from a combustion chamber A through an opening 5 between an air-cooled base 17 and roof 16 to a vertical flue 4, having a dust-collecting pocket at the base, and thence to a tortuous flue B formed by air cooled baffles 8, 10, 11. The air passages 22 in the floor and roof of the furnace and the air passages 9 in the baffles are open at the sides to the atmosphere. Any moisture which condenses in the flue B escapes by a pipe 24.
Patent GB-589324-A (GB)
Title: Improvements in racks
IPC: D06C3/00
Filed: 1945-02-28
Abstract: 589,324. Drying apparatus. ROBERTS, A. J. Feb. 28, 1945, Nos. 5006, 14968 and 17159. [Class 34 (ii)] Shelves or frames 12 are pivotally mounted along one edge in uprights 13 of a frame 10 fitted with wheels 11. The frames 12 are arranged to be held in an upwardly inclined direction and are lowered to a horizontal position in use. The pivots may be spring- tensioned to hold the frames in either position. Various types of spring, counter-weight, and spring friction, pivot arrangements are described.
Patent GB-605941-A (GB)
Title: Improvements relating to photographic emulsions
IPC: G03C1/28
Filed: 1945-03-01
Abstract: 2 : 4 - Dimethylbenzthiazole is prepared by oxidizing thioacetyl-o-toluidine with alkaline potassium ferricyanide. 2-Methyl-4-ethoxybenzthiazole and 2-ethyl-b -naphthathiazole are prepared similarly from thioacetyl-o-phenetidine and thiopropionyl - a  - naphthylamine respectively.  Thioacetyl-o-toluidine is prepared by heating acetyl-o-toluidine with P2S5 in dry benzene. Thioacetyl-o-phenetidine and thiopropionyl-a -naphthylamine are similarly prepared.  Acetyl-o-phenetidine is prepared by acetylating o-phenetidine with acetic anhydride.  Propionyl-a -naphthylamine is prepared by refluxing together a -naphthylamine and propionic acid.
Patent GB-114350-A (GB)
Title: Improved Collapsible Crate.
Inventor: HAYE JAMES JOHNSTONE
IPC: B65D6/08
Filed: 1917-04-12
Abstract: 114,350. Haye, J. J. April 12, 1917. Folding crates; lids and covers.-The front and back of a collapsible crate consist of frames 1 made of steel slats &c. and strengthened by stays 2. Slats 4 are pivoted to angle-pieces 3 on the frames and to connecting-members 7. Bottom bars 6 are provided, and slats 5 are pivoted, as shown, to tha slats 4. Hinged members 9, connected by rods 11 sliding in collars 12, form the lid. To collapse the crate, the lid portions are turned down and wing-nuts 8 are slackened, whereupon the frames 1 can be made to approach one another until they become superimposed, with the parts 4, 5, 9 folded down and coming partly between them ; the wing-nuts 8 may then be tightened. Stops on the angle-pieces 3 limit the upward movement of the slats 4 when the crate is extended. Only one lid (which may be central) is shown; there may, however, be two to form a complete cover. According to the Provision. Specification, a pivoted lid is employed, the froni of which is adapted to pass, with some friction, under spring catches on one of the frames.
Patent GB-177938-A (GB)
Title: Improved method of and means for measuring the length of electric waves
IPC: G01R23/04
Filed: 1921-02-15
Abstract: 177,938. Townsend, J. S. E., and Morrell, J. H. Feb. 15, 1921. Thermionic generators. - Electric waves are measured in terms of the length of shorter waves, which length can be accurately determined in known manner by means of two substantially parallel wires. Continuous oscillations are set up by a short-wave generator, preferably a threeelectrode thermionic valve S<1>, Fig. 1, in a circuit provided by connecting a condenser C<1> across two rods A<2>, B<2>, which are connected at A<1> and B<1> to the valve anode and grid respectively. Choke coils X<1>, X<2>, x<3>, x<4> are provided where necessary. A small adjustable condenser C<2> in the shortwave circuit provides fine adjustment, and an auxiliary condenser C<3> damps out resonance between the circuits A<1>, C<1>, B<1> and A<2>, C<1>, B<2>. A circuit consisting of two long parallel wires Y<1>, Y<2> connected by a short end junction Z, and provided with a sliding conducting bridge G, is loosely coupled to the circuit A<1>, C<1>, B<1>. An indicator, consisting of an incandescent electric lamp or a thermo-couple, is connected either in the end junction or in the bridge G, and the oscillating length of the wires is adjusted until resonance is obtained, the required wave length being twice the distance between successive nodes. The long-wave generator S<2>, the wave length of which is to be ascertained, consists of a thermionic valve having the anode connected to an oscillatory circuit consisting of an inductance L and a condenser C connected through a telephone transformer T to the positive pole of a hightension battery H, while the grid is connected through an inductance L<1> to the negative pole. The coil L is provided with a number of tapping points so that the connections of the condenser C may be varied to produce harmonics in the circuit, and the lead connecting the grid to the inductance L has a loop M coupling the circuit to the circuit A<1>, C<1>, B<1>. The oscillatory circuit of the long-wave generator is tuned with the short-wave generator, and its capacity or inductance then varied so that successive harmonics come into tune, as indicated by successive clicks in the telephone. By including in the long-wave circuit two equal capacities or inductances with means for changing their connections from series to parallel, or a fixed condenser and variometer, as described in Specification 115,876, [Class 37, Electricity, Measuring &c.], a final wave-length double the initial wave-length can be obtained, and in this case the number of harmonics counted gives the factor by which the short-wave length must be multiplied to obtain the fundamental long-wave length.
Patent GB-1101294-A (GB)
Title: Process and catalyst for the hydrogenation of unsaturated hydrocarbons
IPC: C10G45/50
Filed: 1966-02-07
Abstract: Unsaturated hydrocarbons or hydrocarbon mixtures are hydrogenated under hydrogen pressure at elevated temperature in the presence of a catalyst comprising a carrier which consists of Al2O3 or of a major proportion of Al2O3 together with another non-acidic carrier material, and a combination of at least one sulphide of tungsten and/or molybdenum and/or rhenium and at least one sulphide of a metal or metals of Group VIII of the Periodic Table, which catalyst during and/or after the convertion of the metal components into sulphides has been treated with hydrochloric acid on precursor therefor. Suitable starting material hydrocarbons are amide benzene and petroleum fractions e.g. boiling in the gasoline, kerosene, gas oil and lubricating oil ranges.  Examples describe the hydrogenation of (1) benzene to cyclohexane and (2) kerosene to unspecified products.ALSO:Hydrogenation catalysts are made by drying, calcining and sulphiding particles of Al2O3 or a mixture of a major proportion of Al2O3 and another non-acidic carrier material, supporting Mo and/or W and/or Re and/or at least one oxide of at least one of these metals and at least one of the metals of Group VIII of the Periodic Table and/or at least one oxide of at least one of these latter metals, such that during and/or after sulphidation a gas comprising hydrochloric acid and/or a compound which forms hydrochloric acid under the conditions obtaining is passed over the catalyst, e.g. at a temperature above 200 DEG C.  The support may be g -Al2O3 of 0.3 mm. particle size or SiO2-Al2O3.  The catalyst may be activated with an alkylchloride.