baber/WOPTO huggingface dataset:
Patent GB-1467682-A (GB)
Title: Photographic camera
IPC: G03B19/12
Filed: 1974-05-31
Abstract: 1467682 Copying cameras INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE 31 May 1974 [1 June 1973] 24268/74 Addition to 1206889 Heading G2A The Specification relates to various modifications in the association of the photometry unit and the camera of the Specification 1206889. In Fig. 1 (not shown) two mirrors on either side of the aperture communicating with the photometry unit reflect light to groups of light fibres which convey the light to a photo-cell. In the arrangement of Fig. 3 light passes through aperture 5, behind which is a slidable member 3 having the calibrated apertures of the Parent Specification. The beam continues through a bore 31 in a slide bar 30 to be received by the photo-cell 14. When the bar 30 slides to the right, this beam is blocked. Image light is now conveyed by the light fibre systems 10, 11, 12, 13 to pass through a lens 29, and is reflected by a mirror 32a to the photo-cell. When bar 30 slides still further to the right, both beams are blocked from reaching the photo-cell.
Patent GB-710435-A (GB)
Title: Improvements relating to the separation of heavy solids from sewage and other liquids
IPC: B01D21/00
Filed: 1951-10-19
Abstract: 710,435. Treating sewage. HARTLEY, C. J. Dec. 22, 1952 [Oct. 19, 1951], No. 24300/51. Class 111 Apparatus for separating heavy solids such as grit from liquids, e.g. sewage, comprises two or more parallel settlement channels 11 spanned by a gantry 25 carrying pumps 26 and hinged suction pipes 20 whereby grit is transferred from the bottom of the channels to a washing plant 30 also carried by the gantry; the light organic and other material being discharged from the washing plant 30 through a pipe 49 to a launder 50 running parallel to and discharging downstream of the channels 11. An air compressor 40 mounted on the gantry 25 delivers through a pipe 41 into the washer 30 so as to stir up the grit and blow organic matter to the surface where it flows over a weir 47 into an annular channel 48 which in turn discharges into the launder 50. Specifications 644,501 and 651,241 are referred to.
Patent GB-412067-A (GB)
Title: An improved woven or knit fabric mainly consisting of cellulose containing fibres and a process for manufacturing the same
IPC: D06M13/188
Filed: 1933-09-04
Abstract: Woven or knit fabrics or coherent felted structures comprising cellulose fibres are provided with a nap or downy layer on at least one side, e.g. by teazling, carding, grinding, and if desired, shearing, and esterified by means of higher fatty acids. The esterification, which may be effected, for example, by means of pyridine and the chloride of a higher fatty acid, may be continued until the increase in weight of the dry fabric is from 5 to 30 per cent, and preferably from 15 to 25 per cent.  In an example, dry knit cotton fabric, such as glove fabric which has been provided with a downy layer of individual fibres by teazling, carding, or shearing, or "ground" cotton knit fabric, is treated with stearic acid chloride dissolved in pyridine, at a temperature of 95 to 100 DEG  C.  The fabric may be dyed before or after esterification.  The products have a feel like that of deer skin or chamois leather, and may be used for making gloves, bags, hats and the like.  Specifications 343,104 and 376,295 are referred to.
Patent GB-950799-A (GB)
Title: A clamping or terminating device
IPC: H02G7/05
Filed: 1962-06-26
Abstract: 950,799. Clamping electric conductors. F. DANN, and C. F. BERGNER. June 26, 1962 [July 1, 1961], No. 24467/62. Heading H2C. In a straining device for a multi-layer electric conductor, e.g. a steel reinforced aluminium core, of the type in which preformed helical wires 2a pass around a thimble 3, and grip the cable 2, to prevent relative movement between the outer and inner conductor layers, the cable passes downwards from the thimble into a channel 9 where it is clamped in recesses 10 by stirrup packing pieces 12 and stirrup screws 11. In a further embodiment (Fig. 4), a clamping piece is attached to the end of the cable, the outside of the cable is stripped back and the wires are spread round a core 27 over which an internal piece is held by screwed cap 29. In a still further embodiment (Fig. 5, not shown), the core of the cable continues to the middle of the thimble where a clamping arrangement similar to that of Fig. 4 is mounted.
Patent GB-1422363-A (GB)
Title: Hydrogen fluoride removal proces
IPC: C01F11/22
Filed: 1973-05-23
Abstract: 1422363 Removal of HF from gases UOP Inc 23 May 1973 [24 May 1972] 24506/73 Heading C1A HF is removed from a gas by scrubbing with an AM hydroxide, the AM fluoride produced being converted to CaF 2  by Ca(OH) 2 ; the regenerated AM hydroxide is re-cycled. The gas may be relief gas from an HF catalysed alkylation unit and may contain hydrocarbons with 1 to 4 C atoms. KOH in 1-30% solution is the preferred absorbent. The Ca(OH) 2  may be added as a 0À1-2% solution or as the solid. In a typical apparatus the scrubber consists of a tower in two parts, the lower part being of larger diameter than the upper. The upper part is fitted with perforated trays and the lower with a heating coil. The HF containing gas is led in to the base of the upper part of the scrubber and leaves from the top. The absorbent solution may be led from the bottom of the scrubber to the top of either part of it directly or via the regenerator-settler, in which CaF 2  is formed and removed, or partly through each. Provision is made for using the solution for plant-neutralization purposes and means for adding Ca(OH) 2  and make-up KOH and water are provided.
Patent GB-483079-A (GB)
Title: Improvements in or relating to cameras for photography or kinematography in colours
IPC: G03B33/08
Filed: 1936-09-09
Abstract: 483,079. Colour photography and kinematography. HILLMAN, A. G., and JOHNSON, G. H. Sept. 9, 1936, No. 24613. [Classes 97 (i) and 98 (ii)] A colour kinematograph camera has two or more sets of colour filters, the colour shades of which differ and are predetermined for photographing in different lights, and the filter sets are carried by a frame supported in guides on the camera for sliding movement laterally of the gate in such a manner as to permit of the replacement of one filter set for another in front of the exposure apertures. As shown, two sets of filters A, B, each comprising three individual filters 1, 2, 3, 1a, 2a, 3a, are in a slide 4 in a carrier 5 having an extension 9 carrying a rack 6 engaged by a pinion 7 on a spindle 8 operable by a knob. The carrier 5 is guided between projections 14 on a box 15 divided into compartments each provided with an aperture 16 for passage of the light from the appropriate lens. A guide block 17 is provided for the extension 9. The slide 4 is replaceable by other slides carrying further sets of filters. The Provisional Specification refers also to sets of filters on curvilinearly reciprocatable and rotatable carriers.
Patent GB-863473-A (GB)
Title: Improvements in, or relating to, change speed gear mechanism
Inventor: BOUCHER REUBEN
IPC: F16H63/14
Filed: 1958-07-31
Abstract: 863,473. Change-speed control. SUN CYCLE & FITTINGS CO. Ltd. July 31, 1959 [July 31, 1958], No. 24631/58. Class 80 (2). A change-speed gear for a motor cycle or scooter in which a gear selecting shaft 7 is turned about its axis from a normal position for each gear change, is provided with foot-operated pedals 8, 8a actuating bell-crank levers 1, 2; lever 1 turning the shaft in one direction for upshift, lever 2 turning the shaft in the other direction for changing down. Both levers are pivoted about a pin 3 fixed in a bracket depending from the footboard 6 and they are connected by rods 10, 10a to angle brackets pivoted on arm 12 fast with the shaft 7. The end of each rod is screwthreaded and its effective length is adjusted by nuts 13. Gear changes are effected by depression of a pedal, the shaft 7 being returned to its normal position by spring means on release of the pedal. Neutral is obtainable when in bottom or second gear by partial depression of pedal 8a or 8 respectively.
Patent GB-795807-A (GB)
Title: Improvements in or relating to the ventilation of enclosed vehicles
IPC: B60J3/00
Filed: 1954-08-24
Abstract: 795,807. Ventilating vehicles. SPARSHATT, G. W., and SPARSHATTS (METAL BODIES)', Ltd. Nov. 23, 1955 [Aug. 24, 1954], No. 24632/54. Class 137 [Also in Group XXXII] A vehicle is ventilated by having its roof extended forwardly as a visor 2 overhanging the windscreen to form a wind scoop supplying air at 3 to one or more ducts 5, situated behind the visor and leading to one or more adjustable air inlet grilles 6. Replaceable filters 4 may be placed in the inlets 3. An air extractor may be provided in the roof.
Patent GB-406384-A (GB)
Title: Improvements in or relating to sound absorbing apparatus
IPC: E04B1/86
Filed: 1932-09-03
Abstract: 406,384. Nonconducting coverings for sound. STEVENS, A. H., 5, Quality Court, Chancery Lane, London.-(Amy, Aceves, & King, Inc. ; 55, West 42nd Street, New York, U.S.A.) Sept. 3, 1932, No. 24638. [Class 64 (ii).] Sound-absorbing structures for rooms are formed with a number of separated small diameter tubular passages with rough surfaces, one end of which at least is open to the atmosphere, and of such a length that the tubes resonate to the frequency of the lowest note it is intended to suppress. As shown, the apparatus may take the form of bricks or ornaments and the separate bricks may be used to form a wall. The devices are formed with a shell or container 1 packed with corrugated cardboard forming narrow apertured tubular spaces 2 having fuzzy or rough inner and outer surfaces, and it is stated that, if the tubular passages are long with respect to the wave length and small in diameter in comparison with one-fourth the wave length, they absorb a considerable band of higher audible frequencies also ; but at frequencies less than the resonating frequency, the portion of sound absorbed is practically negligible. The device may be formed of tubular passages having varying lengths to suppress sounds of various frequencies.
Patent GB-388091-A (GB)
Title: Process for improving animal hides and leather
IPC: C14C3/06
Filed: 1931-09-02
Abstract: Water-soluble organic substances of high molecular weight which contain acid groups in the free, esterified or salt form, e.g. dyestuffs, are precipitated in hides by treatment with water-soluble complex hexa-urea chromic salts.  These salts are obtained by reaction between an alkali salt of an organic or inorganic acid and hexa-urea chromic chloride which is itself obtained by evaporating an aqueous solution of the requisite proportions of chromic chloride and urea.  In conjunction with the complex salts substances may be used which do not form a precipitate therewith, e.g. acetic, formic, oxalic acids, aluminium, and magnesium sulphates, pink salt, alkali metal formates, oxalates, and acetates and organic sulphonic acids.
Patent GB-207293-A (GB)
Title: Improvements in and relating to out-door sketching boxes or outfits
IPC: B44D3/04
Filed: 1922-09-12
Abstract: 207,293. Higgins, T. J., and Erring- ton, E. M. Sept. 12, 1922. Colour boxes and palettes.-A colour box is provided with a palette 4 hinged to a division piece 6 of the box, and having hinged to it an auxiliary palette 7. When not in use, the palette 7 is folded over the palette 4, and both are folded over the colour wells or pans 3. A water-bottle 10 is held by clips 24, and a water-well 11, having an intwined flanged mouth to prevent splashing, is provided. The brushes 14 are held by a device which is adapted to raise them when required for use. The brushes are held down at one end by loops 13, and at the other end rest upon a support 16 and are pressed upon by a spring member 17, so that the brushes are raised when released from the loops 13. A sketching-pad 19 is held within the lid 2 of the box by spring clips 20 and a spring 22. A thumb-hole 23 is provided for holding the box.
Patent GB-1301958-A (GB)
IPC: F16P3/08
Filed: 1971-04-19
Abstract: 1301958 Machinery safety devices EMAIL Ltd 19 April 1971 [19 March 1970] 24670/71 Heading F2J A sliding door latch 18 of a washing and/or spin drying machine, or cooking stove, loading/ unloading doors 12 is interlocked with and mechanically actuated, via a lever 24 fulcrumed at 25, by a pull/push on/off manual control knob 17 operating the machine timer control switch (controlling the electric power supply to the machine) mounted on a forwardly facing control panel 15 of (as shown) a top loading agitation type washing machine whereby the door 12 cannot be opened until the control knob 17 is moved inward to the "off" position of the timer control switch, so that the machine cannot be started when the door is open and the door cannot be opened while the machine is running. The door latch 18 is slidably spring loaded at 21, 22 against the under side of the top wall of the machine and has a tongue 30 engageable with a slot 31 in the top wall when the machine is switched off and the door 12 is open, thus preventing outward movement of the switch knob to the "on" position. On closing the door 2, a hooked catch 34 passes through the slot 31 to engage and downwardly depress a plate 33 fast with the latch 18 whereby the tongue 30 is released from the slot 31 and the switch knob 17 may be outwardly moved to the "on" position whereby the fulcrumed lever 24 backwardly slides the door latch 18 to engage and lock the door catch 34 in an "L" shaped slot 32 of the latch 18 whereby the door is locked in its closed position. Additionally, as a further safety feature, the agitation and/or spin dryers rotatably stationary outer drum 9 has a projecting lever 36 whereby excessive out of balance movement of the drum 9, i.e. offcentre gyration of the work basket during spin drying &c., results in the lever 36 striking a plate 37 of the door catch 18 whereby the resulting forward movement thereof moves, via the fulcrumed lever 24, the control knob 17 to its "off" position to switch off the machine.
Patent GB-1191171-A (GB)
Title: Process of Preparing a p-n Junction in Semi-Conductor Alloys of Mercury Telluride and Cadmium Telluride
IPC: H01L21/477
Filed: 1967-05-26
Abstract: 1,191,171. Semi-conductor devices. CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE. 26 May, 1967 [27 May, 1966], No. 24711/67. Heading H1K. A method of producing a PN junction in a body of semi-conductor material having the composition Hg 1-x Cd x Te, 0#x#0À4, comprises subjecting a monocrystalline body to a number of thermal treatments of durations t, at temperatures T in the presence of mercury vapour at pressures P, wherein for the first treatment t 1  increases as a function of the thickness of the body, T 1 <350‹ C., and P 1  is from 6 Î 10<SP>-3</SP> to 1À5 Î 10<SP>-2</SP> atmospheres, to produce an N-type body having a low concentration of charge carriers and then either (i) performing a second treatment in which t 2  is from 1 to 30 min., T 2 >300‹ C. and P 2  is from 0À2 to 1 atmosphere to produce a P-type body having a high concentration of charge carriers, followed by a third treatment in which t 3  is from 1 to 3 hours, T 3  is from 300‹ to 500‹ C. and is less than or equal to T 2 , and P 3  equals the equilibrium pressure of mercury vapour at the temperature T 3 , to produce an N-type surface layer on the body; or (ii) omitting the second treatment and performing the third treatment only as in (i) to convert the body to P-type while maintaining a surface layer of N-type conductivity. The body may then be cut to the required size and the surface treated first in a solution containing fuming hydrochloric acid, nitric acid and a trace of fuming nitric acid, followed by rinsing by diluting the solution with absolute ethyl alcohol and then using a solution comprising a mixture of absolute ethyl alcohol and bromine, followed by a second rinsing. Contacts are provided by electrolytically depositing layers of gold on the P- and N-type regions and welding indium or indium-silver to the layers to produce a photo-voltaic device. The electrodes on either region may also be of platinum, and that on the N-type region may additionally be of indium or of gallium-indium or mercury-indium eutectics. The electrodes may also be produced by evaporation. The device may be utilized in photo-conductive, photomagneto-electric, and photovoltaic detectors, for light emissive and laser devices, and for modulators and amplifiers using piezoabsorption, piezo-reflectivity, photo-absorption, photo-reflectivity or the Franz-Keldysh effect (i.e. variation of the activation energy #E by the application of an intense electric field).
Patent GB-1219878-A (GB)
Title: Dishwashers
IPC: A47L15/42
Filed: 1969-05-14
Abstract: 1,219,878. Scaling device for dishwashing machines. INDUSTRIE A ZANUSSI S.p.A. 14 May, 1969 [16 May, 1968], No. 24715/69. Heading F2N. [Also in Division A4] A dishwashing machine of the kind comprising a rotatable dish-carrying basket 12 above and beneath which a first set of sprinklers 13, fed by the water mains 14, 15, is arranged, and a tub 19 for collecting the water dispensed by the sprinklers 13 and equipped with a centrifugal pump 21 to feed the water collected in the tub 19 to a second set of similarly arranged sprinklers 23 is characterized in that it includes a connection 24 between a feeding duet 18 for the sprinklers 13 and the delivery side of the pump 21, and a controllable cut-off valve 25 mounted in the connection. The water mains feed includes a cock 14, a magnetic valve 16 controlled by the machine timer, a softener 17, and the supply duct 18. The valve 25 is closed for a normal washing cycle. When it is desired to descale the machine a scaling solution is introduced into the tub 19 and the valve 25 is opened. The scaling solution may alternatively, or additionally, be introduced into the softener 17.
Patent GB-1049302-A (GB)
Title: An instrument for counting the number of particles contained in an optically transparent fluid
Inventor: MEYER-DOERING HANS
IPC: G01N15/14
Filed: 1965-06-11
Abstract: 1,049,302. Counting particles. QUARZLAMPEN G.m.b.H. June 11, 1965, No. 24822/65. Heading G4D. Particles in a blood sample or other fluid are counted as they pass from a transparent vessel 4 through a small aperture 3 into a tube 1. Light from a source 6 is focused on to the aperture 3, the presence of a particle scattering the light so as to affect an alkali photo-cell 8. The resulting pulses affect a counter C. A discriminator may be interposed so that the counter is operated only by pulses of sufficient amplitude. Counting takes place only after light from a mirror 11 has been focused on a photo-cell 9 and before the level in tube 1 has risen enough to focus the light on photo-cell 10. A microscope may be provided with a glass plate in the beam to the photo-cell 8 so that any obstruction in the aperture 3 can be detected.
Patent GB-631851-A (GB)
Title: Lubricants and extreme pressure additives therefor
IPC: C10M141/10
Filed: 1947-09-10
Abstract: A lubricant composition comprises an oil base and an extreme pressure additive comprising a phosphorus sulphide and an alkyl or aryl ester of an acid of phosphorus.  The phosphorus sulphide may be the sesquisulphide and as esters tricresyl phosphate, tributyl phosphate and phosphite, triphenyl phosphate and methyl or ethyl phosphates and phosphites; the use of partial esters of the phosphorus acids is also mentioned.  Proportions of 0.1-20 per cent of the ester and 0.01-0.2 per cent of the phosphorus sulphide may be used.  The lubricants may comprise mineral or fatty oil bases, or both, and may also contain substances such as sulphur, chlorine, arsenic, selenium or tellurium, or soaps or vegetable oils.  As an example, an extreme pressure lubricating composition comprises from 80-99 per cent oil or grease base and a concentrated additive comprising a fatty body, such as sperm oil or lard oil, 2-10 per cent of sulphur, 0.1 to 2 per cent of phosphorus sesquisulphide and 0.2 to 20 per cent of tricresyl phosphate.
Patent GB-502108-A (GB)
Title: Process for the production of waterproofed, indestructable, printed leaves, particularly for children's books
IPC: D06N3/16
Filed: 1937-09-13
Abstract: 502,108. Printing processes. HESS, A. Sept. 13, 1937, No. 24874. Convention date, Sept. 30, 1936. [C:lass lU0 (ii)] [Also in Group VIII] A process for making a washable printed surface on a piece of textile material, which is pliable and not easily destructible, for use as leaves of children's books, maps, &c. comprises first hiding the structure of the material by coating it with a substance such as a mixtureof kaolin and alumina, combined with a resin, rubber, nitrocellulose, or like mixture used in the manufacture of artificial leather, oilcloth., &c., then calendering the material, covering it with a layer of size or a caseincolour, printing a design thereon in one or more colours, coating the printed matter with an emulsion of natural or artificial resin, and finally coating the surface with varnish. The resin emulsion is allowed to penetrate the printed layer, and may comprise a mixture of copal in alcohol emulsified in ammonia and water; if desired, a small quantity of pliosphate of tricresyl may be added to the solution. The varnish preferably has a nitrocellulose base.
Patent GB-1076463-A (GB)
Title: Preparation of 2-ethyl butadiene-1,3
IPC: C07C4/10
Filed: 1964-06-16
Abstract: 2-Ethylbutadiene-1,3 is obtained by copolymerizing propylene with ethylene or butene to obtain a heptene, isomerizing if necessary to recover 3-ethylpentene-2 or 3-methylhexene-3 and demethanating to obtain the ethylbutadiene. In one embodiment propylene is polymerized with two mols. of ethylene, in two stages, if desired via propene-2, to form 3-ethylpentene-2 or 3-methylhexene-3.  In another embodiment propylene is polymerized with butene-1 or butene-2 to form 3- or 4-methylhexene-1 or -2, or 2-propylbutene-1 which are isomerized. Polymerization is effected at 0-300 DEG  C., 0-4000 p.s.i.g. and 0.2-15 v./v./hr. over an alkali or alkaline earth metal or hydride thereof on carbon, silica or alumina.  Demethanation is effected at 500-825 DEG  C. and 10 mm. mercury to 500 p.s.i.g. for 0.001-2 seconds in the presence of a diluent.
Patent GB-853230-A (GB)
Title: Improvements relating to drop-wires for stop motions in textile spinning and twisting machines
IPC: B65H57/06
Filed: 1957-08-07
Abstract: 853,230. Drop-wires for stop-motions. ADAMS, S. J. Aug. 7, 1957, No. 24954/57. Class 120(2). An eye for the drop wire of a stop-motion, comprises a toroidal guide portion 25 with a stem 24 for attachment to a rod 22; the part 25 is of synthetic plastic material (nylon, "Nylatron", polytetra  fluorethylene, vinyl and acrylic resins, styrenes and cellulose esters are mentioned) and has a larger cross-sectional area (to prevent fibres curling around the eye due to static electricity) and a smaller specific gravity (so that it places no undue strain on the roving) than the rod. The rod completes an electric circuit on falling to stop e.g. a roving-frame.