baber/WOPTO huggingface dataset:
Patent GB-238162-A (GB)
Title: Improvements in electric condensers
IPC: H01G5/06
Filed: 1925-05-13
Abstract: 238,162. Wilkins & Wright, Ltd., and Hewitt, J. H. May 13, 1925. Condensers of the kind having one or more stationary plates suitably mounted on a frame or the like, and moving plates mounted on a spindle by means of which they can be rotated, are provided with a single bearing formed by cutting a fine screw thread on the spindle and mounting this threaded part of the bearing in a long and correspondingly threaded sleeve. In Fig. 1 a single end plate 1 carries the fixed plates 3, which, with the moving plates 5, are shaped to form a square law condenser and has a part 7 receiving an insulating plug 8 above which is. a washer 9. The spindle 6 has a square part 14 and a threaded part 17 engaging threads on the interior of a sleeve 10 which is screwed into the plug 8 and is secured to a pawl 11 by nuts 12, 13. A plate spring 16 acts on a shoulder 15 of the spindle to maintain good electrical contact between the sleeve 10 and spindle, and has a finger 24 engaging projections 23 on a washer 22 to limit the travel of the spindle. The travel :.s a half-turn, causing a small but unimportant axial movement of the plates 5. Adjustment is effected by means of the sleeve 10. Fig. 5 shows the application to a vernier condenser, the moving plate 26 being turned independently to adjust the air gap between it and the fixed plate 25 and a vernier effect being obtained every alternate half turn.
Patent GB-730872-A (GB)
Title: A process for imparting shrink resistance to woollen and wool-containing textile material
Inventor: SMITH ARTHUR RAYMOND
IPC: D06M15/423
Filed: 1952-05-16
Abstract: The resistance to felting shrinkage of woollen and wool-containing textile material is improved by incorporating in the material an aminotriazine-aldehyde condensation product and then curing the condensation product by treating the material in a hot aqueous medium in the presence of an acid.  The material may be air-dried or dried at elevated temperature between the treatments.  The hot aqueous medium may be a boiling or near-boiling solution of acetic, hydrochloric, sulphuric, oxalic or phosphoric acid, and the fabric may be impregnated with an aqueous solution of methylol- or methylated trimethylol melamine, or with an acid aqueous colloidal solution thereof of which the acid component is formic, acetic or hydrochloric acid.  In the latter case the hot aqueous medium may be hot water or steam, the acid component still being present in the fabric.  The hot aqueous bath may include a chrome colour and a mordant or the colour may be included in the bath and the fabric pre- or after-mordanted.
Patent GB-661315-A (GB)
Title: Improvements relating to ships' hull sterns
IPC: B63H1/28
Filed: 1949-05-11
Abstract: 661,315. Ships' sterns. SOC. DES ATELIERS ET CHANTIERS DE FRANCE, and CARLOTTI, P. May 11. 1949 [Sept. 4, 1948; March 18, 1949], Nos. 12504/49 and 12505/49. Class 113 (ii). A hull stern arrangement comprises the combination of an appendage-carrying stern as described in Specification 641,667 with a counterpropeller. The counter-propeller may be constituted by the appendage having a deformation to ensure its distributing capacity, as shown in Figs. 1 and 3, or may be constituted by a rectifying rudder or by supplementary distributor appendages, or by a deformed horizontal wing. Various arrangements for single, twin, and triple screw vessels are described.
Patent GB-245058-A (GB)
Title: Method of and means for increasing the efficiency of cowper stoves in existing blast furnace plants
IPC: C21B9/00
Filed: 1925-05-14
Abstract: 245,058. Hauts Fourneaux et Acieries de Differdange-St.-Ingbert-Rumelange Soc. Anon., and Ries, P. Dec. 24, 1924, [Convention date]. Drawings to Specification. Hot-blast stoves.-Existing blast furnace plant is modified bv connecting in series two Cowper stoves at present worked as separate units. Preferably the waste gas space at the base of the checker-work chamber of the stove in which combustion is effected is connected to the bottom end of the up cast flue of the second stove. Specifications 3866/80 and 2612/82 are referred to.
Patent GB-270094-A (GB)
Title: Improvements in, and relating to, locks
IPC: E05B15/16
Filed: 1926-05-17
Abstract: 270,094. Ralls, J. C. May 17, 1926. Lock-mechanism, levertype; master-key; padlocks; locks, preventing drilling of.-Lever locks of the kind described in Specifications 27133/96, 2604/97, and 11988/10 wherein adjacent members of a series of pivoted gated levers are moved in opposite directions by a key to align the gatings with a stump on the bolt, have a drill-proof shield secured to the uppermost lever. This shield b is riveted or welded to the uppermost lever a and prevents the unauthorized drilling of a new set of gatings c to accommodate the stump d on the bolt or shackle e of the lock. The levers may be double-ended, Fig. 10, for blocking a pair of bolts e, e. When the lock is adapted for use with master and servant keys, the lug g dividing the gating c aligned with the stump d by the servant key and the gating f aligned by the master key, is carried on the underside of the shield.
Patent GB-102039-A (GB)
Title: An Improved Latex Spout and Cup Holder.
Inventor: HALL JAMES HATTON
IPC: A01G23/14
Filed: 1916-09-08
Abstract: 102,039. Hall, J. H. Sept. 8, 1916. Latex, collecting.-For collecting rubber latex &c. from trees, a spout is provided the upper end H of which can be driven into the tree but is prevented from reaching the cambium by flanges A on side buttresses E. The buttresses may be slotted to hold a cup by push-connexion, as shown. The cup may be provided with a cover.
Patent GB-1468886-A (GB)
IPC: C08F20/20
Filed: 1974-03-21
Abstract: 1468886 Curable (meth) acrylate compositions TOAGOSEI CHEMICAL INDUSTRIAL CO Ltd 21 March 1974 [22 March 1973] 12730/74 Heading C3P A liquid, solvent-free, curable composition comprises an oligo(meth)acrylate having an average mol. wt./(meth)acryloyl group of not more than 1000 and being the esterification product of (1) a polyhydric alcohol or an epoxy compound, (2) a polycarboxylic acid or anhydride or a derivative thereof which is capable of esterification reaction, (1) not being a dihydric alcohol when (2) is dicarboxylic, and (3) (meth)- acrylic acid or a derivative thereof which is capable of esterification and (B) a polyolpoly(meth)- acrylate being the esterification product of a polyhydric alcohol or an epoxy compound and (meth)acrylic acid or a derivative thereof which is capable of esterification. In the examples the oligo acrylates were made by reacting tetrahydrophthalic anhydride; trimethylolpropane, diethylene glycol and/or pentacrythritol; and acrylic acid and the prevailing structures thereof were where A, Tp and T are CH 2 =CH-CO- respectively ; where Pe is where A and T are as above, or where A, T and Pe are as above and D is The above oligoacrylates were mixed with trimethylolpropane tri(meth)acrylate, 1,3-butanediol diacrylate or triethylene glycol di(meth) acrylate and optionally benzoyl peroxide, benzil and/or hexamethylenediamine and coated on to steel or glass plates and cured by exposure to infra-red or ultra-violet rays or by irradiation with electron beams.
Patent GB-570441-A (GB)
Title: Improvements in or relating to the electric heating of liquids
IPC: F24H1/20
Filed: 1943-08-06
Abstract: 570,441. Electrically heating liquids. WRIGHT, A., and WRIGHT & LLOYD, Ltd. Aug. 6, 1943, No. 12739. [Class 39 (iii)] Liquid is heated by a main resistance element 11 having a low temperature coefficient, e.g. of nickel - chromium alloy, and a control element 12 of higher temperature coefficient, e.g., of iron or nickel, connected in series. If liquid falls to the level 15 and uncovers the element 12, it reaches a higher temperature, and its increase in resistance reduces the current to a point at which the desired evolution of heat is obtained, or, if both elements are uncovered, to a point at which damage is avoided. The two elements may both be near the bottom, as in a kettle, or element 12 may be vertical, so that the current is progressively decreased as it becomes uncovered.
Patent GB-1187912-A (GB)
Title: Apparatus for Pumping Slurry or like Fluids.
Inventor: IMAI MASAHARU
IPC: F04B53/14
Filed: 1968-03-15
Abstract: 1,187,912. Reciprocating pumps. TAMAGAWA KIKAI KINZOKU K.K. March 15, 1968, No.12803/68. Heading F1A. In a liquid-piston pump for slurries or the like, the slurry S is isolated from the working pump 1, 2 by a liquid L, e.g. oil, which has a lower specific gravity than the slurry and does not mix readily with, dissolve into or react with the slurry. The liquid L and the slurry S form a horizontal boundary plane P within a tank B, and the tank is provided with means D for minimizing disturbances of the boundary plane to avoid intermixing of the liquid and slurry. As shown, the means D may comprise a number of vertical plates extending across the tank in directions normal to one another to form a vertically-extending spaces. Alternatively, the means D may comprise a vertical member of spiral transverse cross-section, or a flat horizontal disc floating at the level of the boundary plane and having a diameter less than the inside diameter of the tank. The floating disc may have peripheral projections slidingly engaging vertical guide grooves in the tank wall.
Patent GB-913451-A (GB)
Title: Slit width adjustment means
IPC: G01J3/04
Filed: 1961-04-10
Abstract: 913,451. Spectrophotometers. BODENSEEWERK PERKIN-ELMER & CO. G.m.b.H. April 10, 1961 [April 14, 1960], No. 12839/61. Class 97 (1). [Also in Group XL (b)] The slit width of a spectrophotometer is controlled through a logarithmic transmission by a servomotor energized by the difference between voltages indicative of the slit width and the desired slit width. Slits 13 are controlled by a servomotor 8 through a transmission including a logarithmic cam 11. A potentiometer 7 derives a voltage indicative of the slit position which is compared in an amplifier 6 with a desired voltage tapped off a potentiometer 1 by an arm 3 coupled to the spectrophotometer wavelength selector. The difference energizes servomotor 8. Tappings 1a, 1b are connected to points on  potentiometer 2 to set the desired programme, and resistors R 1 , R 2  may be varied, whilst keeping the resistance of R 1 +R 2  constant, to permit overall shifting of the slit programme.
Patent GB-567449-A (GB)
Title: Improvements in or relating to tradesmen's delivery vehicles
IPC: B60P3/055
Filed: 1943-08-09
Abstract: 567,449. Tradesmen's retailing vehicles. HOLE, S. Aug. 9, 1943, No. 12856. [Class 108 (i)] In a vehicle intended to carry crates, which hold milk-bottles or other goods, and are provided with projections 27 at the top, there is provided a frame-work to receive the crate-like drawers sliding on angle-members 19 ; when a crate is drawn out and allowed to tilt, as shown, the projections 27 engage cross-member 17 so that the crate is retained in a convenient position for picking out the bottles.
Patent GB-454008-A (GB)
Title: Improvements in or relating to the feeding of sheets
IPC: B65H5/24
Filed: 1936-05-07
Abstract: 454,008. Toothed gearing. PHILIPP, F. VON, and PHILIPP, H. VON, (trading as REINHARDT, G. E., [Firm of]), 19, Waisenhausstrasse, Leipsic, Germany. May 7, 1936, No. 12857. Convention date, May 11, 1935. [Class 80 (i)] [See also Group XVI] The conveyer 7 of a sheet-feeding apparatus is driven by epicyclic gearing which alternately gives the conveyer accelerated and retarded motions. The conveyer is driven by a chain 16 and a sprocket 15 freely mounted on the main driving shaft 10. A gear 11 fixed to the shaft 10 engages a gear 12 integral with a gear 13 which drives a gear 14 fixed to the sprocket 15. The gears 12, 13 are freely mounted on a pin 17 carried by an oscillating member 18 which is freely mounted on the shaft 10 and is operated by a segmental gear 22 operated by an eccentric 20 on a shaft 19 driven in unison with the shaft 10.
Patent GB-1156265-A (GB)
Title: Process for the Utilization of High Sulfur Heavy Oil Stocks
Inventor: HULSE STEWART HARDING
IPC: B01D53/52
Filed: 1968-03-18
Abstract: 1,156,265. Desulphurizing heavy oils. ESSO RESEARCH & ENG. CO. 18 March, 1968, No. 12921/68. Heading C1A. [Also in Division C5] Heavy oils containing at least one weight per cent of sulphur are first separated into two fractions, the first fraction having a relatively low sulphur content and comprising 50-95 volume per cent of the feedstock, and the second fraction having a relatively high sulphur content and comprising 5-50 volume, per cent of the feedstock; the first fraction is hydrodesulphurized in the presence of a catalyst to form a desulphurized oil product and hydrogen sulphide, and the second fraction is burnt to yield a flue gas containing sulphur dioxide, sulphur being recovered from the system by reacting the hydrogen sulphide with the sulphur dioxide contained in the flue gas to yield elemental sulphur. Alternatively the hydrogen sulphide may be combusted along with the second fraction to form sulphur dioxide in the flue gas and the sulphur extracted, not necessarily in elemental form, from the flue gas by known methods. Suitable feedstock heavy oils include atmospheric residuum, vacuum residuum, unbreaker bottoms, thermal cracker bottoms, cycle stocks, shale oils and mixtures thereof. Separation techniques which may be used include vacuum distillation, coking and solvent extraction. Suitable solvents for the latter are HF, BF 3 , HF/BF 3  complexes, phenols, propane, butane, propane-butane mixtures, pentane, hexane, heptane, naphtha and mixtures of C 2 -,C 8  paraffinic hydrocarbons. The high sulphur content fraction from the separation contains essentially all the metal and asphaltene impurities present in the initial feedstock.
Patent GB-600604-A (GB)
Title: Improvements in or relating to systems for directionally radiating and receiving wave energy
IPC: H01Q3/22
Filed: 1943-08-10
Abstract: 600,604. Sound transmitting and receiving devices. WESTERN ELECTRIC CO., Inc. Aug. 10, 1943, No. 12942. Convention date, March 1, 1941. [Class 40 (iv)] [Also in Groups XXXVIII, XL (b) and XL,(c)] A tubular acoustic transmission line for subaqueous signalling has a series of apertures 128 spaced at approximately half-wave intervals along its length and has the effect that energy of a selected frequency is radiated or received with maximum intensity in a given direction. Where several frequencies are used, the direction of maximum intensity is different for each frequency so that the energy is radiated or received in the form of a spectrum and the line acts as a kind of acoustic prism. The line is divided into sections by transverse diaphragms, each aperture communicating with the space between two diaphragms and the whole constituting an acoustic band-pass filter. A crystal or other driving element 132 is arranged at one end.
Patent GB-159783-A (GB)
Title: Improvements in diamond-point cutting tools
IPC: B23B27/20
Filed: 1920-05-10
Abstract: 159,783. Poulain, P. May 10, 1920. Diamond and like tools. -A cutting-diamond b is mounted between two jaws at the end of a shank, such as a loose plate d and the bevelled end of the tool shank a. A plate c engages the inner end of the diamond by means of a notch so as to support it when in use, and the jaws are held together by a steady-pin f and fixing-screw e. The tool is stated to be applicable for working steel, bronze, fibre, ebonite, paper, rubber, and other materials in a lathe or other machine.
Patent GB-1431786-A (GB)
Title: Track rail and fastening assembly
IPC: E01B9/66
Filed: 1973-03-19
Abstract: 1431786 Securing railway rails to supports SOC D'APPLICATION DU RAIL 19 March 1973 [17 March 1972] 13078/73 Heading E1G A rail 2 for a gantry crane is laterally located on a support 8 by the inner edges 5 of spring fastening plates 1 each secured by a pair of bolts 7 and eccentric bushes 6 allowing lateral adjustment, the edges 5 bearing against the lower concave portions of the rail web. The plate 1 is initially flat and is mounted on a base plate 4. In a modification, Fig. 5 (not shown), the plate 4 is omitted and the plate (1) is cranked Figs. 4, 6 and 7 (not shown) disclose modified securing bolts and eccentric bushes.
Patent GB-130786-A (GB)
Title: Improved Governor Device for Gas Lighting Installations.
Inventor: KEITH JAMES
IPC: G05D16/06
Filed: 1918-08-13
Abstract: 130,786. Keith, J., and Keith, G. Aug. 13, 1918. Pressure - regulating valves.-A pressure-regulating valve, particularly applicable for use with gas lighting - installations for railway carriages, and of the type actuated by a diaphragm acted on by the pressures existing on each side of a restriction in the main conduit, has the diaphragm fitted with a relief valve and has a stop valve interposed in the main conduit between the restriction and the connexion to the back of the diaphragm. The diaphragm B is connected to the valve member by the usual lever and linkage mechanism and carries a seat J<1> for a relief valve J loaded by a spring K. The relief valve may be separate from the governor transmitting- mechanism. The main conduit D is fitted with an adjustable obturator C and with a stop valve E controlling both the main passage and a pilot supply passage F. When the valve E is turned to close the main passage, no pressure is transmitted through the passage H to the back of the diaphragm, and therefore a reduced pressure is maintained in the governor casing to supply the pilot lights.
Patent GB-417957-A (GB)
Title: The manufacture of violet sulphur dyestuffs
IPC: C09B49/10
Filed: 1933-05-05
Abstract: The indophenols obtainable by joint oxidation of a 1-acylamino-2 : 4-diaminobenzene and p-aminophenol or a halogen substitution product thereof, or the corresponding leuco compounds are sulphurized to give violet sulphur dyestuffs for vegetable fibres.  According to examples, the indophenols of the following formula <FORM:0417957/IV/1> in which the acyl group may be acetyl or benzoyl and in which the NH2 group may be dimethylated or diethylated, obtained by joint oxidation of the corresponding 1-acylamino-2 : 4-diaminobenzene with p-amino- or p-nitrosophenol, are sulphurized in the usual manner.  The leucoindophenols of the following formula <FORM:0417957/IV/2> in which the acyl group is acetyl or propionyl, and which may be chlorinated in the other nucleus at X, obtained by joint oxidation of the corresponding 1-acylamino-2 : 4-diaminobenzene with 2 : 4-dichloro-4-aminophenol and subsequent reduction, are also sulphurized.  2 - Amino- -4 - dimethyl and diethylamino - acetanilide are obtained by nitrating the 4 - dialkaminoacetanilide and reducing the product.
Patent GB-129003-A (GB)
Title: Improvements in or relating to Machine Guns.
Inventor: DARNE REGIS
IPC: F41A19/43
Filed: 1917-09-17
Abstract: 129,003. Darne, R., and Darne, P. Oct. 23, 1916, [Convention date]. Machine guns.-Relates to gas-operated guns having a sliding breech-block which is locked and unlocked by being oscillated about its front end by parts on the firing-pin support. According to the invention, the oscillation of the breech-block is effected by inclined surfaces arranged near the top and at the rear of the firing-pin support and acting on corresponding inclined surfaces on the lower side of the breech-block. The invention also comprises special cartridge-feed mechanism. A cooling-sleeve and means for fastening the handle block are also described. In the construction shown, the unlocking movement of the breech-block c is effected by the inclined surface d<5> on the firing-pin support d acting on the inclined surface c<3> on the breech-block, and the locking movement is effected by the inclined surface d<2> at the rear.of the support d acting on the inclined surface c<1> on the breech-block. The mechanism for feeding the belt comprises a fixed pawl t<1>, Fig. 3, and a feed-pawl r<1> carried by a plate r which is oscillated about the axis of the barrel by a stud d' on the firing-pin support engaging a cam-groove in the plate. The cartridges are drawn out of the belt and raised into the loading position by three arms j, k, Figs. 2 and 4, mounted on the firing-pin support d. The two outer arms k grip the base of the cartridge, and the inner arm, which is shorter and has a forked end, supports the front of the cartridge. The arms are raised, during the rearward movement of the support d, by an inclined surface a<1> on the breech casing. The support d can be drawn back by hand by means of a handle g having a projection engaging a slot in the support, so that the handle is not reciprocated during the automatic working of the gun. The handle block is attached to the breech casing by a bayonet-joint locked by the projecting rear end of the guide-rod h<1> of the breech-spring h. The barrel is cooled by a ribbed metal radiator made in sections having two or more ribs on each section. The ribs may be connected at the top to form cells for a liquid.
Patent GB-970197-A (GB)
Title: Improvements in or relating to the formation of phosphate-chemical conversion coatings upon metal surfaces
IPC: C23C22/10
Filed: 1963-04-04
Abstract: In phosphating iron and steel, the metal surface is contacted with an aqueous acidic solution of an alkali metal phosphate (the term including mono and dihydrogen phosphates of ammonia and the alkali metals) together with nitrite ions and at least 0.05 g./1. of a hydrazine compound of the general formula: <FORM:0970197/C6-C7/1> (wherein A represents hydrogen, an unsubstituted alkyl radical having from 1 to 3 carbon atoms or the phenyl radical and B represents hydrogen, the methylcarbonyl radical or the carbamyl radical).  The pH of the solution is from 4.0 to 5.8 (e.g. 4.5 to 5.7) and the temperature at least 120  DEG F. (49  DEG C. approx.) (e.g. 120-150 DEG F.).  The nitrite ion concentration is related to the hydrazine compound concentration by a specified formula. Specified hydrazine compounds are hydrazine, methyl-, ethyl-, propyl-, phenyl-, b  aceto a  phenyl-, b  aceto a  methyl hydrazines and semicarbazide. The nitrite may be the alkali or alkaline earth metal salt, e.g. NaNO2. The solution may include a wetting agent and may be applied by dipping, spraying or roller coating  In Example I, steel panels are enamelled after phosphating.
Patent GB-1495567-A (GB)
Title: Electrical vacuum switches
IPC: H02H7/22
Filed: 1975-04-02
Abstract: 1495567 Vacuum switches SIEMENS AG 2 April 1975 [2 April 1974] 13558/75 Heading H1N In order to detect an abnormal rise in temperature of an electrical vacuum switch 1 when the switch is opening an electromagnetic radiation detector 10 is arranged to receive such radiation from a member which is in thermal contact with a contact of the switch, such as the connecting rod 5 of the stationary contact 3 of the switch. The radiation detector may be a simple infra-red detector directly receiving infra-red radiation from the rod, in which case the rod may be coated with dark paint, an amplifier 11 feeding the detector output to a device 12 which can trigger an alarm or switch off the switch circuit if the switch is not fit for operation. Alternatively it may be a light detector, Fig. 2, not shown, receiving light reflected from a layer on the rod, the reflectivity of electromagnetic radiation of the layer being variable with temperature: suitable layers may be paints whose colour is temperature dependent or plastics materials whose surface becomes duller as its temperature rises. The light reflected may be natural sunlight or light from a radiation source. The radiation may be received from part of the vacuum vessel of the switch.