baber/WOPTO huggingface dataset:
Patent GB-417755-A (GB)
Title: Improvements in and relating to the production of absolute alcohol
IPC: C07C29/80
Filed: 1934-02-03
Abstract: <PICT:0417755/III/1> In a process for the azeotropic distillation and dehydration of alcohol of the kind in which the ternary distillate produced by the distillation of the crude alcohol with the entrainer in a still a is condensed in a condenser d and separated into two layers in a separator e and the layer rich in entrainer is distilled in a second still f, the layer of high water content is passed directly without scrubbing with water through a pipe h<1> to a still h the ternary distillate from which is passed through a pipe i to a condenser g while the alcoholic residue is passed to a still j where the alcohol is concentrated to 94 per cent and then returned to the process.  The distillate from the still f is returned through the condenser g and a pipe n to the separator e while the residue of entrainer is returned to the entrainer supply pipe c of the still a through a pipe f<2>. Alcohol vapours passing off from the still j are condensed in a condenser k and passed through a separator l and pipe l<1> to the alcohol supply pipe c.  Thermostatic controls o, o<1>, o<2>, are provided controlling the supply of entrainer. Specification 268,728, [Class 32], is referred to.
Patent GB-266695-A (GB)
Title: Improved process for diminishing or preventing loss of carbohydrates in root-crops when stored
IPC: A23B7/144
Filed: 1927-02-09
Abstract: 266,695. Chemische Fabrik auf Actien vorm. E. Schering. Feb. 26, 1926, [Convention date]. Crops, preserving.-To diminish or to prevent the loss of carbohydrates in root crops when stored, the part containing carbohydrate is treated with an agent acting as a narcotic preferably in the form of a vapour or gas. Chloroform, ethylene bromide, toluene, acetic ester, ethylene, acetylene, carbonic acid, carbonic oxide, generator or water gas may be used either alone or as mixtures. Other materials may be mixed with the narcotic agent; for example, a mixture of carbonic acid and prussic acid may be used. As a specific example, sliced chicory roots are, whilst still having their greatest content of insulin, treated in an airtight container with about 0.1 per cent by weight of chloroform.
Patent GB-387510-A (GB)
Title: Improvements relating to vehicle steps
IPC: B60K28/00
Filed: 1932-02-08
Abstract: 387,510. Steps. NATIONAL PNEUMATIC CO., 420, Lexington Avenue, New York, U.S.A. Feb. 8, 1932, No. 3742. Convention date, Feb. 26, 1931. [Class 108 (i).] The brakes of a vehicle are applied or their release prevented and, when the vehicle is power propelled, the motors are rendered inoperative when a person is standing on the step. A folding step comprises a tread 6 supported by springs 8 upon arms 5 secured to a rotatable shaft 4. When pressure is applied to the tread a push-button 9 disposed between it and the arms 5 closes a circuit from the conductors 10, 17 through a solenoid 14 thereby operating a valve 19 to supply pressure fluid from a source 22 by pipes 24, 27 to brake cylinder 28. If the brakes have previously been applied, from the source 35 by the driver's valve 34, the check valve 26 will have been moved to the left-hand position and the operation of the valve 19 by the step will then return the valve 26 to the position shown to connect the source 22 to the cylinder if the cylinder pressure is less than that of the source 22 or has been released by the driver. The operation of the valve 19 also supplies pressure fluid to a cylinder 37 to open a switch 41, breaking the circuit of a solenoid 45 so that a switch 47 in the power circuit of the electric propulsion motors of the vehicle is broken. This circuit includes the controller 51. For vehicles driven by internal-combustion engines, the switch 47 may be in the ignition circuit. The valve device 19 connects the pipe 24 to atmosphere when the solenoid 14 is de-energized. The wires 12, 13 are shown at 16 as part of a cable.
Patent GB-768184-A (GB)
Title: Improvements in or relating to the preparation of synthetic resins
IPC: C08G59/06
Filed: 1955-02-08
Abstract: Resinous condensation products are prepared by reacting a diphenol with a halogen-substituted carboxylic acid and an epi- or di-halohydrin in presence of alkali at least equivalent to the halogens and carboxyl groups present.  Suitable diphenols are p,p1-dihydroxydiphenylpropane, p,p1 - dihydroxydiphenyl, p,p1 - dihydroxydiphenylmethane, o,p1 - dihydroxydiphenyl methane, p,p1 - dihydroxy - diphenylcyclohexane, resorcinol, hydroquinone, dihydroxynaphthalene.  Acids mentioned are chloracetic, bromacetic, a - or b -chlorpropionic, phenylchloracetic and phenylbromacetic. Preferred halohydrins are epichlorhydrin, epibromhydrin, dichlorohydrin, dibromhydrin.  Preferably the acid is reacted first, e.g. at 90-100 DEG  C. and then the halohydrin, e.g. at 20-60 DEG  C. Alcohols may replace water as reaction medium. The resin may be isolated by acidification and extraction, e.g. in butanol, followed by washing with water, or the precipitated resin may be directly washed with water.  Heating drives off water and/or solvent.  Some of the resins are self-hardening.  In examples, resins are prepared from (1) chloracetic acid, 4,41-dihydroxydiphenylpropane and epichlorhydrin; (2) resorcinol, chloracetic acid and epichlorhydrin; (3) p,p1-dihydroxydiphenylmethane, bromacetic acid and epichlorhydrin; (4) as in (3) but using the o,p1-diphenol; (5) 4,41-dihydroxydiphenylcyclohexane, b -chlorpropionic acid and epichlorhydrin; (6) p,p1-dihydroxydiphenylpropane, phenylchloracetic acid and dichlorhydrin; (7) p,p1-dihydroxydiphenyl propane, chloracetic and b -chlorpropionic acids, and epichlorhydrin; (8) p,p1-dihydroxydiphenylpropane and a mixture of chloracetic acid and epichlorhydrin; (9) p,p1-dihydroxydiphenylpropane, mixed chloracetic and phenylchloracetic acids and epichlorhydrin; (10) resorcinol, chloracetic and phenylbromacetic acids and a -dichlorhydrin, and (11) p,p1-dihydroxydiphenolpropane chloracetic acid and dichlorhydrin.
Patent GB-412673-A (GB)
Title: Improvements in electrical switches or circuit breakers
IPC: H01H33/92
Filed: 1933-02-07
Abstract: 412,673. High - tension switches. WHITEHEAD, G. E., and WHITEHEAD'S ELECTRICAL INVENTIONS, Ltd., 38, Rhiwbina Hill, Rhiwbina, near Cardiff. Feb. 7, 1933, No. 3771. [Class 38 (v).] Cases and covers ; contacts.-A circuitbreaker as claimed in Specifications 392,926 and 392,930 has the partition or barrier dividing the oil tanks or fluid chambers into two intercommunicating parts, carried as part of a box-like structure from the open end of the tank and sealed or adapted to be sealed therewith at the open end. The tubular part or sides of the structure are of such depth that the barrier is adjacent the co-operating contacts and, in the case of a liquid-immersed breaker, is submerged in the liquid. The switch comprises an oil tank 1, arcing chambers 21, shrouding tubes 9, oil pump 11, and piston rod 17 therefor. The main contacts may be in accordance with Specification 409,085 and the fixed contacts and stems 23 may be lowerable for isolation purposes from contacts (not shown) in the switchgear beneath which the breaker is fixed. The lowering means comprises a carrier 42 and a non-rotatable nut 81 which co-operates with a threaded shaft 80 rotatable from a shaft 39 by means of a worm wheel 40 keyed to 80, substantially as in Specification 286,429, [Class 38 (v)]. The tubes 9 and cylinder 11 are located in perforations in a barrier 200 forming the floor of a structure 201 with a flange 202 resting with an intermediate sealing gasket 204 on a flange of the tank 1. The structure may be built of portions welded together or constructed by casting or pressing, and has a closure-member 207, 208 which is sealed on the flange 202, the whole serving as a gasdischarge space for gases emerging from housings 21. The box-structure may be lowerable with the tank 1 or fixed and may be applied to breakers operating with air or gas.
Patent GB-1027714-A (GB)
Title: Improvements in or relating to driving arrangements for lifts
Inventor: HAASE WILLY
IPC: B66B11/08
Filed: 1964-01-29
Abstract: 1,027,714. Driving arrangements for lifts. SCHWERMASCHINENBAU S.M. KIROW VEB. Jan. 29, 1964, No. 3800/64. Heading B8L. A lift cage 7 is connected by a cable 6, passing over pulleys 13, to a counterweight 1 which is secured to a cable 2 passing around pulleys 11, 12. The cable 2 is secured at 5 to an endless chain 4 which is driven by a driving mechanism 8. In a modification, Fig. 2 (not shown), the lift cage 7 and counterweight 1 are interchanged and the driving mechanism 8 drives the lower chain wheel 9.
Patent GB-265980-A (GB)
Title: Improvements in variable electric condensers
IPC: H01G5/38
Filed: 1927-02-10
Abstract: 265,980. British Thomson-Houston Co., Ltd., (Assignees of Carichoff, E. R.). Feb. 10, 1926, [Convention date]. Condensers A, B have simultaneously movable rotors 4, 6 and the stator 3 of condenser A separately movable so that, when the condensers are connected in related circuits, balancing or final tuning may be effected by moving the stator. The means for moving it comprise a toothed sector 21 which is rotated by means of a knob 26 and pinion 23, the stator then rotating about bearings 15, 16 in its end plates. These bearings are internally threaded to receive the threaded parts of the shaft 11 of the rotor 4, the shaft being secured to that 12 of the other rotor by means of an insulating sleeve 19, but alternatively the shafts could be integral and of metal or insulation according to requirements. There may be added a condenser C (not shown), in which case the condenser B also will have an adjusting device. Also the condensers B, C may be brought up to the panel and their common shaft operated from shaft 11 by suitable 1 : 1 gearing.
Patent GB-564212-A (GB)
Title: Improvements relating to pit props and the like
IPC: E21D15/00
Filed: 1943-03-10
Abstract: 564,212. Pit-props. SYLVESTER, W. March 10, 1943, No. 3864. [Class 20 (ii)] Pit-props are provided with permanently attached linking and gripping or receiving means so that an out - of - use prop may be secured temporarily to an in-use prop to prevent its being buried and lost. Each prop is provided with a chain 6 having a hook and jaws 4, 5 adapted to engage the hook or chain, so that a prop not in use may have its jaws engage the hook or chain of a prop in use and be maintained in a substantially vertical resting position. The chain may be slidably carried by a cross bolt 8, Fig. 4, and may be hooked to the similar cross bolt of a prop in use. Specifications 391,915, 514,185 and 525,845 are referred to.
Patent GB-986526-A (GB)
Title: Flame cutting machine
Inventor: SUBRT PAUL
IPC: B23K7/10
Filed: 1962-02-01
Abstract: 986,526. Cutting by fusion. CHOTEBORSKE KOVODELNE ZAVODY, NARODNI PODNIK. Feb. 1, 1962, No. 3934/62. Heading B3V. An oxygen cutting machine whose burner or burners are controlled by a magnetic head 7 having a roller 8, Fig. 2, co-operating with a template 18, is adapted to make circular cuts by replacing the roller 8 with a carrier 1, Fig. 1, secured to a radius arm 6 rotatable about a stationary pivot pin 2. When used for profile cutting the roller 18 is mounted in a hollow shaft 9 driven by a motor through gearing 16, 15 and dog clutch 13. When used for circular cutting the clutch is opened and the hollow shaft 9 mounting the carrier 1 is then driven through a countershaft 17. The arm 6 has index marks to show the radius of the cut and the carrier 1 is locked to the arm by screw 5 or by energizing the magnetic head 7.
Patent GB-225425-A (GB)
Title: Improvements in lenses
IPC: C03B23/22
Filed: 1924-02-15
Abstract: 225,425. United Kingdom Optical Co., Ltd., Culver, E., and Emerson, A. H. Feb. 15, 1924. Drawings to Specification. Spectacle lenses.-Bifocal and cataract glasses are made of two lenses of glasses of the same coefficient of expansion. The larger lens has a low refraction and a low dispersion, and the smaller lens a high refraction and a low dispersion. The relative dispersions are approximately the same. An example is given in which boro-silicate crown and dense barium crown glasses are used. The larger lens may be of glass through which all the ultra-violet rays do not pass.
Patent GB-677362-A (GB)
Title: Improvements in systems using dynamo-electric machines for servo position control
IPC: G05D3/14
Filed: 1950-02-16
Abstract: 677,362. Dynamo-electric machines. BRITISH THOMSON-HOUSTON CO., Ltd., and CHOUDHURY, S. U. A. Nov. 7, 1950 [Feb. 16, 1950], No. 4015/50. Class 35. In a Selsyn system in which a single transmitter feeds several receivers, the load on the transmitter is reduced by connecting its stator in delta while the receivers are connected in star, the transmitter and receivers being identical machines. The machines each have L-connected quadrature windings a, b on the rotor, and three windings c, d, e having separate terminals on the stators. The winding a of the transmitter rotor 1 is energized and the quadrature winding b is short-circuited, the errorvoltages appearing at windings b of the receiving machines. The windings c, d, e of the stator 2 of the transmitting machine are connected in delta, whilst the receiving machines are star connected. By means of a switching system, any of the machines may be made transmitter at will.
Patent GB-1073323-A (GB)
Title: Process for making poly (maleic anhydride)
IPC: C08F22/04
Filed: 1966-01-28
Abstract: Maleic anhydride is homopolymerized using acetyl peroxide, e.g 0.5-8%, as initiator. Polymerization may be carried out at 55-150 DEG C. in the absence of a solvent.  The homopolymer may have a molecular weight in excess of 300, e.g. 3500-7000. Metallic salts of poly-(maleic acid) may be produced by dissolving the homopolymer in water, heating and then neutralizing the aqueous solution of poly(maleic acid) with an alkali solution, e.g. NaOH.  The polymer may be purified by dissolving in 1,2-dimethoxyethane and reprecipitating by pouring into toluene.
Patent GB-233796-A (GB)
Title: Improvements in or relating to mould-board apparatus for the erection of concrete and like structures
IPC: E04G11/22
Filed: 1924-02-16
Abstract: 233,796. Mote, F. F. Feb. 16, 1924. Moulding walls in situ.-Apparatus for use in casting concrete walls in situ, course upon course, comprises interconnected towers 12 and shuttering brackets 18 adapted to be raised and lowered on the towers, the operating gears for operating the shutter brackets on the various towers being interconnected. Each tower is formed of an upright 12 pivoted to a footplate 11 and supported by stays 13, 15, the base of the stay 13 being adjustable by a screw in the footplate. The shuttering brackets 18 are provided with rollers 19 to run on the uprights and in one form are raised by ropes actuated from winches 22 on each upright, the shafts of the winches being connected by adjustable rod and sleeve connectors 25, 26. In another form, the shutter brackets 18 are provided with pinions 46 engaging racks 45 provided on the faces of the columns 12, the shafts of the pinions being interconnected by adjustable connectors as previously; in this form, pawls may be provided to prevent accidental movement of the brackets. The shutter brackets are also supplied with scaffold brackets 54. The shutters are connected end to end and T-shaped longitudinal stiffeners may be provided along each longitudinal edge. Specification 220,204 is referred to.
Patent GB-1512503-A (GB)
Title: Covers for ink containers for duplicating machines
IPC: F16L21/00
Filed: 1977-02-01
Abstract: 1512503 Covers for ink containers KORES HOLDING ZUG AG 1 Feb 1977 [4 Feb 1976] 04099/77 Heading F2G A cover 1 adapted to be slidably fitted in an ink container 6 for a duplicating machine comprises an outlet nozzle 4 formed with a radially outwardly projecting bead 4a over which one end of a flexible tube can be fitted to convey ink to the machine and an annular ring 3 coaxially surrounding the nozzle 4 adapted to press and hold the end of the tube. The ring 3 may be tapered to facilitate insertion of the tube and a shoulder 3a may be formed in the groove between the nozzle and the ring to limit the insertion of the tube to leave a space in which any ink which leaks can collect.
Patent GB-1492641-A (GB)
Title: Derivatives of pyrazolopyridines
IPC: C07D491/147
Filed: 1975-01-30
Abstract: 1492641 Furo-pyrazolo-pyridines E R SQUIBB & SONS Inc 30 Jan 1975 [5 Feb 1974] 4134/75 Heading C2C Novel compounds I in which R 1  is H, C 1-7  alkyl or phenyl-C 1-7  alkyl, R 2  is H or C 1-7  alkyl, R 3  is C 1-7  alkyl, phenyl, OH or C 1-7  alkoxy, R 4  is OH, C 1-7  alkoxy or -NR 6 R 7 , where each of R 6  and R 7  is H, C 1-7  alkyl or phenyl-C 1-7  alkyl, and R 5  is H, C 1-7  alkyl or phenyl (or such a compound in keto form when R 4  is OH, the keto form compound optionally having a C 1-7  alkyl substituent at the 2-position), are prepared by reacting a compound IV n which lower alkyl is C 1-7  alkyl, with a base to produce a compound I in which R 4  is OH, optionally reacting this compound with a C 1-7  alkyl halide to produce a compound I in which R 4  is C 1-7  alkoxy (or the tautomeric 2-alkyl-3-keto compound), and optionally reacting this compound with an amine of formula HNR 6 R 7  to produce a compound I in which R 4  is -NR 6 R 7 . The compounds in which R 1  is H may also be prepared by the above method using a starting material with a heterocyclylmethyl group, e.g. furfuryl, in the 1-position. The products of the various stages may be oxidized, e.g. with SeO 2 , to produce a compound I in which R 1  is H. Compounds IV are prepared by reacting a compound II with a compound X-CH 2 -CO-R 3  (X= halogen). Pharmaceutical compositions useful as tranquillizers and ataractic agents, for oral or parenteral administration, comprise one of the above novel compounds together with a pharmaceutical carrier.
Patent GB-1080351-A (GB)
Title: An improvements in or relating to rope pulley assemblies
Inventor: HALLOWS ERNEST
IPC: F16H7/20
Filed: 1964-01-31
Abstract: 1,080,351. Clamps; ball joints. CHESTERFIELD ENGINEERING CO. Ltd. Jan. 26, 1965 [Jan. 31, 1964], No. 4191/64. Headings E2B and E2F. A rope pulley assembly includes a rope pulley 10 a bifurcated bracket 26 between the legs of which said rope pulley is rotatably mounted a connecting member 20 secured to or integral with said bifurcated bracket and provided with a part spherical portion 22 and a pair of clamp jaws 12 each of which is provided at one end with a groove 14 at right angles to its length and at its other end with a part spherical depression means being provided for clamping said pair of clamp jaws in facing relation for their grooved ends to embrace opposite flanges of a girder or joist and their other ends to embrace said part spherical portion of the connecting member. As shown the clamp jaws are clamped together by a nut and bolt.
Patent GB-539431-A (GB)
Title: Improvements in and connected with the construction of huts and like portable houses
IPC: E04B1/343
Filed: 1940-03-06
Abstract: 539,431. Huts. WILLIAMS, K. W., FLEMING- [Representative of WILLIAMS, C. R., FLEMING-j March 6, 1940, No. 4194. [Class 20 (i)] [Also in Group XXV] A sectional hut is formed of panels with abutting edges, and 'the panels are connected together by a pointed-end bolt l, provided with a flange l<SP>2</SP> and a handle l<SP>1</SP>, passing through the edge of one panel and adapted to engage a screw plate n which is secured to the other panel by screw and slot, so that it can align itself with the pointed end l<SP>4</SP> of the bolt.
Patent GB-207733-A (GB)
Title: Improvements in hinges or joints for wind-screens of motor vehicles or for other purposes
IPC: B60J1/04
Filed: 1923-02-14
Abstract: 207,733. Auster, Ltd., and Auster, A. C. Feb. 14, 1923. Pivoting adjustments. - A locking-joint for wind-screens of motor vehicles or for other purposes has an inner member 3, Fig. 2, divided longitudinally at 6 down one side only, so as to leave a circumferential metal connection 9 between the plates 7, 8, the member 3 being also cut transversely at 10; or the expansible locking member of the joint may be wholly divided as in Fig. 9, in which case its ends have projections 12 to prevent rotational movement between the parts. These arrangements provide that the locking part 8 of the joint may, by positive means, be expanded uniformly throughout its length into locking engagement with the outer tubular member 2. Short side rods 3 on side standards 4 engage the tubular member 2 carrying the windscreen in the arrangement shown in Fig. 2. The transverse cut 10 extends entirely through the part 8 and also through the connecting strip 9. A clamping screw 5 extending through a slot 11 in the outer tube engages a tapped hole in the part 7 and bears against the member 8. The member 3 may be tubular instead of solid. An arrangement with a single locking piece situated in the middle of the inner rod or tube is also described. In Fig. 9, a tubular member 3 is provided with a separate locking member and projections 12 at its ends to prevent rotational movement.
Patent GB-1493554-A (GB)
Title: Electronic display device
IPC: G09F9/00
Filed: 1976-02-04
Abstract: 1493554 Electric couplings DAINI SEIKOSHA KK 4 Feb 1976 [5 Feb 1975] 04378/76 Heading H2E [Also in Division G5] An electronic display device comprises an electro-optical display 7, 15, and a printed circuit board 5 provided with a display operating circuit 12, the respective terminals 8, 9 of the display and board being interconnected by a rubber strip 10 which is conductive only in the direction in which the terminals are separated by virtue of conductive portions running through it in this direction. The electro-optical display may have a part, e.g. the reflector part 15 of the liquid crystal shown in Fig. 2, accommodated in a recess or aperture in the board. The parts may be held together by clamping at 11.
Patent GB-489676-A (GB)
Title: Improvements in and relating to rubber sheeting machines
IPC: B29B7/56
Filed: 1937-12-04
Abstract: 489,676. Rubber sheeting machines. CAIRNS, J. Dec. 4, 1937, No. 4380. [Class 70] A rubber-sheeting machine is arranged with the common plane of the nips of the rolls 6, 7, 8, 9 inclined at a small angle (e.g. 8‹) to the horizontal, trays 72 of a metal over which the coagulum slides easily, such as stainless steel, brass, or copper, being provided between the roller pairs, which are spaced at a distance not substantially exceeding the diameter of the rolls. Scrapers may be provided to prevent the coagulum being carried round on the rolls, some or all of which may be polygonal in cross-section. The rolls may have a common drive, for example, a belt or chain. An emergency clutch device is employed.
Patent GB-742357-A (GB)
Title: Improvements in or relating to stencil duplicating inks
Inventor: CHAMBERS THOMAS SEAL
IPC: C09D11/02
Filed: 1951-02-23
Abstract: A stencil duplicating ink consists of water, a dye or pigment, a water-soluble organic compound selected from polyvinyl alcohol, phenolaldehyde partial condensates, polyethylene glycols having at least 30 carbon atoms, carbohydrates, proteins and mixtures thereof, and an aldehyde (e.g. glyoxal or pyruvic aldehyde) having latent reactivity and incapable of activation while in dilute solution, to react with the organic compound on drying.  A wetting agent may also be included in the ink.  Examples (1) nigrosine 5 parts, wetting agent 1 part, ureaformaldehyde partial condensate 45 parts, glyoxal 2 parts, water 47 parts; (2) nigrosine 5 parts, polyethylene glycol 47 parts, glyoxal (in 30 per cent solution) 3 parts, wetting agent 1 part, water 44 parts.  Specification 742,301 is referred to.