baber/WOPTO huggingface dataset:
Patent GB-589547-A (GB)
Title: Improvements in or relating to the recovery of ethylene oxide from dilute aqueous solutions
IPC: C07D301/32
Filed: 1943-07-05
Abstract: Ethylene oxide is recovered from its dilute aqueous solutions by subjecting the solution to the action of steam in counter-current flow in a packed tower under sub-atmospheric pressure of preferably between about 20 and about 70 mm. mercury such that a substantial, but incomplete condensation of steam takes place, so that there is a difference in temperature of not less than 3 DEG  C., and preferably between 3 DEG  and 15 DEG  C. between the solvent leaving the base of the column and the ethylene oxide solution entering the top of the column.  The ethylene oxide issuing from the top of the tower may be absorbed in water in an additional absorption tower to form a more concentrated solution than the starting material.  In an example, gaseous ethylene oxide is passed through an absorption tower and the resulting aqueous solution flows to a stripping column down which it trickles against an ascending current of steam, the rate of flow of which is so controlled that, provided that the pressure exerted by the vacuum pump drawing the ethylene oxide and the water vapour from the top of the column is correspondingly regulated, there is maintained a temperature difference of not less than 3 DEG  C. between the solution entering the top of the tower and the stripped water leaving the base.  Numerical data is included to show the efficiency of the process.  Specification 533,054 is referred to.
Patent GB-275931-A (GB)
Title: Improvements in or relating to direction signalling devices for steerable vehicles
IPC: B60Q1/42
Filed: 1927-04-23
Abstract: 275,931. Liem, S. T. Aug. 10, 1926, [Convention date]. Road-traffic signals on vehicles. - Comprises a semi-automatic direction signal consisting of a hand operated switch which can co-operate with the part moved during steering, for example the steering column, so that in the central position ,it is not influenced by the movement of the said part, but for a limited distance on either side of the central position the switch is coupled by a slip coupling to move with said part. A casing 1 made in two parts is secured by a band 23 to the sleeve of the steering column. The back of the casing is bent inwards to form a boss 5 affording a bearing for a cylinder 8 carrying the switch lever 6. The cylinder carries a tappet 9 adapted to effect contact with one of two contact plates 11, 12. An extension 10 on the cylinder 8 carries two plate springs 18 fastened to a segment 19 provided with a central recess 20 and leather facings 21, 22. The switch 6 may be turned to the right or left until it contacts with a stop 28, 27. When the arm 6 is moved to the right, the tappet 9 engages the contact 12 to close the circuit of the lamps illuminating the direction sign, and the leather facing engages the steering column. Upon the steering wheel being turned clockwise, the segment is further moved until the lever 6 engages the stop 28. Further rotation of the wheel causes slip between the steering column and the segment. Upon reverse movement, the segment is carried back to the position in which the steering column is in the recess of the segment and is therefore movable independently of the segment.
Patent GB-1168868-A (GB)
Title: A Loading and Launching Means for Remote Controlled Self Propelled Missiles
IPC: F41A23/20
Filed: 1967-03-08
Abstract: 1,168,868. Feeding device for weapons. BÍLKOW G.m.b.H. 8 March, 1967 [11 March, 1966], No. 11001/67. Heading F3C. A feed device for a weapon consists of a magazine which is rotatably mounted about its longitudinal axis and to which missiles 13-or firing tubes 14 containing the same are fed in a radial direction. The magazine is housed in loading chamber within an armoured vehicle so that a missile on the feed device can be locked to a launching device 3, 3<SP>1</SP>, the launching device being movable from the loading position to a firing position 4. In the construction shown two feed devices and two launching devices are shown, the feed devices being provided with missiles or firing tubes containing missiles from a magazine in the form of a grating 45. Each feed device is rotated step by step so that a missile or a firing tube containing a missile can be gripped by jaws (31, 32, Figs. 2, 3, not shown) of a launching device the jaws being pivoted on a bearing shaft 33. Pressure pieces and a centring piece are provided on the inner surfaces of the jaws, the centring piece co-operating with a recess 21 in the missile or tube containing a missile. The launching devices 3, 3<SP>1</SP> each consist of an elevator carriage running in rails or channels 23 which are mounted vertically on the vehicle. The jaws and shaft assembly are connected to the elevator carriage through a pivoting device 28. On elevation of a launching device a hatch cover 43 is automatically removed from a slit-shaped hatch 44 through which the launching device passes. The feed device and jaws are driven by hydraulic motors 22, 34 respectively and the whole wagon system is controlled by a sequence switch system.
Patent GB-1095192-A (GB)
Title: Circuit interrupter
IPC: H01H71/24
Filed: 1965-03-16
Abstract: 1,095,192. Automatic circuit-breakers. TERASAKI DENKI SANGYO KABUSHIKIKAISHA. March 16, 1965 [March 16, 1964], No. 11055/65. Heading H2B. A circuit-breaker has two co-operating movable contact-carrying arms 3, 4 which are substantially parallel when the contacts 3a, 4a are closed, the arm 4 being moved, about pivot 7, away from the arm 3 to open the contacts by electrodynamic repulsion acting between the arms when a very heavy current flows through them. The arm 3 is then released by tripping mechanism so that the arm 3 moves to its open position before the arm 4 is returned to its initial position by a spring 9. The tripping mechanism comprises a bi-metal 26 with heater 28 and adjusting screw 31, and a series electromagnet 27, 38 with an armature 39. The bimetal 26 and the armature 39, under moderate and heavy overloads respectively, turn a tripping member 34 to release a member 36 to unlatch a lever 23. This permits a toggle 24 to collapse to move the arm 3 to the open position.
Patent GB-1064545-A (GB)
Title: Device for positionally adjusting laid sections of railway track
IPC: E01B33/02
Filed: 1964-03-16
Abstract: 1,064,545. Track moving devices. MATISA MATERIAL INDUSTRIEL S. A. March 16, 1964 [March 18, 1963], No. 11093/64. Heading E1G. A device for lifting and shifting railway track comprises two independently operable lifting jacks 12 raising uprights 8 on supports 11, the uprights 8 being hinged to a frame 4 carrying track engaging means and a connecting bar 5 to provide a quadrilateral deformable obliquely by a jack 17. A self centering track gripper has two hooks 22 pivoting at 23 on the frame 4 under the action of a jack 29, their motion being equalised by a cross-over rod 25. The supports 11 have bases 16 engaging the ballast 3, the uprights 8 being raised independently as required, after the gripper hooks 22 are engaged with the rails 1, to lift the track; transverse movement of the track being produced by deformation of the quadrilateral about the pivots 6, 7 by the jack 17. In a modification the pivots 6, 7 are formed on the cylinders of the jacks 12 and the jacks 17 acts between a pivot 7 and a pivot on the frame 4. In another modification, the ballast engaging jacks are omitted and the bar 5 forms part of a vehicle, the lifting jacks being connected directly to the tool frame 4. The four jacks may be connected in parallel in a single pressure fluid supply system, the four control valve handles being arranged to operate in the sense of track movement required.
Patent GB-1242519-A (GB)
Title: Improvements in or relating to drive mechanisms
Inventor: BOWMAN SPENCER
IPC: F16H1/32
Filed: 1970-03-09
Abstract: 1,242,519. Driving winches. S. BOWMAN. 9 March, 1970 [17 March, 1969], No. 11247/70. Heading B8B. [Also in Division F2] In a winch drive, a gear 52 on an output shaft 26 is adapted to be driven by a surrounding eccentric ring gear 54 which is supported from a stationary housing by means of an intermediate ring 59 and tangential links 60, 56 and given an orbital movement. The ring gear 54 is driven through its orbital path by a plurality of hydraulically actuated pistons' 64 disposed in cylinders 68 carried in the housing wall, the gear 54 being connected to the pistons 64 by rods 65. A manifold ring 70 comprises an inlet or high pressure passage 72 and an outlet or low pressure passage 74, and the ring 70 is connected to each cylinder 68 by means of individual valve elements 82 located in valve housings 76. A valve operating cam plate 95 is secured to the ring gear 54. The mechanism drives a winch drum 12 which is connected to shaft 26 by an hydraulically actuated friction clutch 30. In a modification, an outer gear 105, Figs. 5 and 6, is supported by links 106, 110 and is driven in its orbital path by rollers 124 carried by spring-pressed pistons 118 disposed in circumferentially spaced hydraulic cylinders 120 formed in an inner gear 103. A valve plate 132 is rotatably mounted in the ring gear 105 and has grooves 136, 138 which are adapted to communicate with passages 130 leading to cylinders 120. A manifold 140 is mounted externally of the casing.
Patent GB-573047-A (GB)
Title: Improvements in the manufacture of high octane aviation fuels
IPC: C10L1/06
Filed: 1942-08-11
Abstract: 573,047. Motor fuels. NIXON, I. G., and NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ. Aug. 11, 1942, No. 11256. [Class 91] Aviation spirit of the 100 octane class comprises from 3 to 30 per cent, of cumene, one or more iso-paraffins containing not more than 10 carbon atoms in the molecule, an aviation base stock having an end point not greater than 150‹C. and preferably not greater than 110‹C., and the customary amount of tetraethyl lead. Aromatic blending agents having end points not greater than 180‹ C. and preferably not greater than 150‹C. may also be added. The cumene serves to impart a good weak-mixture performance and to economise the amount of iso-paraffin, while the iso-paraffin imparts the necessary volatility. The iso-paraffins used are preferably obtained either by alkylating one or more monoolefines containing not more than five carbon atoms with iso-butane and/or iso-pentane, or by catalytically isomerising or catalytically cracking hydrocarbon fractions from crude oil. In an example an aviation spirit comprises cumene 14 per cent by weight, butylene alkylates 15 per cent, aviation base stock 53.5 per cent, having Octane No. of 90. iso-pentane 17.5 per cent and tetraethyl lead 4.75 (ccs. Tel/IG). Specifications 303,505, [Class 91], 464,752, and U.S.A. Specification 1,879,118 are referred to.
Patent GB-610642-A (GB)
Title: Improvements in and relating to electrical condensers
IPC: H01G4/258
Filed: 1946-04-12
Abstract: 610,642. Condensers. JOHNSON, MATTHEY, & CO., Ltd., and WYETH, E. J. April 12, 1946, No. 11298. [Class 37] A condenser having a desired temperature coefficient for capacity has layer 4 comprising a mixture of rutile and lead borosilicate flux placed on one or both sides of mica base 3, and superposed thereon silver electrodes 5. Electrodes 5 may cover a portion only of layer 4, which may cover a portion only of mica base 3. Specification 566,643, [Group II], is referred to.
Patent GB-160678-A (GB)
Title: Improvements in trouser stretchers and presses
IPC: A47G25/68
Filed: 1920-04-23
Abstract: 160,678. Crane, T. April 23, 1920. Trouser presses and stretchers.-A trouser stretcher, having means for pressing the bottoms, if desired, is Y-shaped, the stem a having pivoted to it a clamp b to hold the bottoms of the trousers, and the diverging arms c, c<1> being provided at their ends with clamps d, d' which grip the back and front creases respectively. The stem a has a slot e in which slides a bolt f connecting the arms c, c', a wing nut or other means being provided for locking the arms in the tensioned position. The construction of the clamps d, d<1> is shown in Fig. 2, the gripping-faces being covered with cloth. The clamp b may be increased in length to serve as a press for the bottoms and lower portions of the legs of the trousers.
Patent GB-651995-A (GB)
Title: Improvements in swath turners and windrowers
IPC: A01D78/14
Filed: 1948-04-24
Abstract: 651,995. Swath-turners. BAMFORD, C. J., and BAMFORD, H. V. April 24, 1948, No. 11320. [Class 6(iii)] Relates to swath-turners of the type having two or more raking heads 45, 55 spaced apart on a transverse shaft 28 carried by a tractor. According to the invention, a longitudinal drive shaft 34 is aligned with one of the raking heads 45 and drives it through bevel gearing, the drive to the other, laterally-offset, head or heads being transmitted by the shaft 28. The heads are carried by a frame 11 mounted on links 17, 20 attached to the tractor, the frame being provided with a single adjustable caster-wheel 23. The drive shaft 34 from the power take-off drives a bevel gear 42 in a casing 29, through which the shaft 28 passes. The bevel gear 42 engages the underside of a double-sided bevel gear 39 the upper side of which drives the shaft 44 of the raking head 45 through a gear 43 which also engages a gear 46 on the shaft 28. The shaft 28 drives the head 55 through gearing 63, 64, 65. Each of the gears 64, 65 is free on the shaft 28 and the whole unit including the gearbox 50 and the head 55 is transversely adjustable so that a fixed dog-clutch 67 may engage either of the gears 64, 65. Transverse adjustment of the head 55 therefore reverses its direction of rotation. Specification 651,991 is referred to.
Patent GB-742672-A (GB)
Title: Improvements in and relating to analgesic preparations
IPC: A61K47/22
Filed: 1953-04-24
Abstract: A therapeutic preparation comprises either morphine or codeine or a salt or derivative thereof and a 4-alkyl-1 : 2 diphenyl - 3 : 5 - dioxopyrazolidine wherein the alkyl radical has from 2 to 6 carbon atoms, or a salt thereof, 0,1 to 4 parts by weight of the alkaloid being used per 20 parts by weight of the pyrazolidine compound.  The pyrazolidine compound may be employed as its alkali (especially sodium), diethylaminoethanol or other water-soluble salt.  Specified alkaloid derivatives include dihydromorphinone, 6-methyl dihydromorphine, dihydrodesoxymorphine D("desmorphine"). diacetyl morphine, ethyl morphine hydrochloride, 6-methyl dihydromorphinone, and dihydrocodeinone.  They may be used as the phosphate, hydrochloride, sulphate, lactate, citrate, acetate, hydrobromide, tartrate, valerate, meconate, nitrate, and other salts. Barbiturates e.g. 5-cycloheptenyl-5-ethyl barbituric acid, diethyl barbituric acid, di-allyl-barbituric acid, phenyl ethyl barbituric acid, and anti-pyretics e.g., 1 - phenyl - 2 : 3 - dimethyl - 4 - dimethylamino-5-pyrazolone, antipyrine and aminoantipyrine may also be present in the compositions.  The preparation may be made up with a pharmaceutical carrier such as is used for tablets, pills, dragees, lozenges, elixirs or suppositories.  In an example codeine base is dissolved in a solution of the sodium salt of 4 - n - butyl - 1 : 2 - diphenyl - 3 : 5 dioxopyrazolidine in distilled water.
Patent GB-121582-A (GB)
Title: Improvements in or relating to the Automatic Regulation of the Feed of Liquid Fuel from Carburettors for Explosion Motors.
Inventor: ZURCHER RENE
IPC: F02M19/035
Filed: 1918-07-11
Abstract: 121,582. Zurcher, R., and Castella, R. Dec. 19. 1917, [Convention date]. Fluids, regulating volume of flow of.-An excessive flow of fuel at the higher engine speeds is prevented by so forming the fuel passage that the resistance to the flow of fuel increases with increase of speed. The fuel nozzle is screwed into a projection a<2> above a cup g and comprises a tube h' having a fuel cavity h<3> at its upper end and into which is screwed an adjustable rod h<2> having a stepped conical adjusting head h<5> and in the threaded portion of which capillary or other grooves h<4>, Fig. 2, are formed. These grooves provide the increasing resistance to the fuel flow and may be replaced by other passages which produce change of direction and the walls of which may be roughened. The head h<5> against which the fuel is sprayed carries a flexible pointer working over a scale on the table h' to indicate the position of the rod h<2>.
Patent GB-943218-A (GB)
Title: Manufacture of esters of cycloalkyl carboxylic acids
IPC: C07C243/36
Filed: 1960-03-31
Abstract: Compounds of formula: <FORM:0943218/C2/1> wherein R is cyclopropyl, cyclobutyl, lower alkyl-cyclopropyl or lower alkyl-cyclobutyl and R1 is lower alkyl are prepared by refluxing in an inert, anhydrous organic solvent, an alkali metal hydride with a lower alkyl delta- or gammahaloalkanoate or a mixture thereof and recovering the resulting product from the reaction mixture. Lower alkyl is defined as methyl or ethyl.  The compounds are intermediates in the preparation of cycloalkyl derivatives, e.g. compounds of formula: <FORM:0943218/C2/2> which are obtained by reacting an ester of the above formula successively with hydrazine, acetone and hydrogen.  In an example ethyl gamma-chlorobutyrate which had been activated by contact with potassium iodide was refluxed with sodium hydride and benzene, the mixture cooled, diluted with water and the organic layer distilled to give ethyl cyclopropanecarboxylate; ethyl 2-methylcyclopropane carboxylate and methyl cyclobutanecarboxylate are similarly prepared. The preparation of further compounds is mentioned.
Patent GB-1311889-A (GB)
Title: Coating compositions based on liquid polymers and a coating process  using them
IPC: C09D125/16
Filed: 1970-03-11
Abstract: 1311889 Coating OWENS-ILLINOIS INC 11 March 1970 [11 March 1969 16 May 1969] 11562/70 Heading B2E [Also in Divisions C1 and C3] Substrates such as plate glass, ceramics, glass-ceramics, metals, carbon, plastics and ceramic/metallic composites, are provided with a coating of a particulate inorganic material by; (1) applying to the substrate a coating composition comprising a particulate inorganic material dispersed in a low molecular weight low vapour pressure liquid polymer having a relatively constant viscosity and thixotropic character and which is capable of being decomposed or pyrolysed completely to gaseous products without leaving a carbonaceous residue, the inorganic material having a fusing temperature higher than that at which the polymer is completely hydrolysed; (2) heating the thus coated substrate to completely pyrolyse the polymer and then (a) heating further to fuse the inorganic material to the substrate. The inorganic materials specified are silica, alumina, boric oxide, decorative glazers which are glassy compositions containing low melting compositions of fluxes such as alkali metal oxides, boric oxide and lead oxide; electron emissive compounds such as BaCO 3 , SrCO 3  and CaCO 3 ; metals such as Cu, Au, Ag, Ni and Pt, and alloys; glasses, thermally crystallisable glasses, solder glasses and mixtures thereof. The material is preferably vitreous solder glass consisting essentially of 70-80wt% PbO, 16-8wt% ZnO, 10-7wt% B 2 O 3 , 1-4 wt% SiO 2 , 0-1wt% BaO and 0-1wt% SnO 2 . The coating composition may also contain a cyclic isoprenoid solvent such as turpentine, which should be volatile at the pyrolysis stage. In the examples glass is coated using poly- (alpha methyl styrene) in which is dispersed a PbO/B 2 O 3 /SiO 2  mixture or a mixture of vitreous particles and glass ceramic particles.
Patent GB-1453508-A (GB)
Title: Decreasing the amount of dichloroacetyl chloride contained  in monochloracetaly chloride
IPC: C07C51/64
Filed: 1974-03-15
Abstract: 1453508 Purification of monochloroacetyl Chloride BASF AG 15 March 1974 [17 March 1973] 11582/74 Heading C2C The amount of dichloroacetyl chloride in monochloroacetyl chloride is decreased by mixing with one or more ingredients selected from, water, alcohols or carboxylic acids and separating the monochloroacetyl chloride from the mixture by distillation. The monochloroacetyl chloride preferably contains up to 10% by weight of dichloroacetyl chloride. Water, an alkanol or alkanediol of up to 4C atoms are preferably added to the mixture in 0À5-10% by weight based on combined weight of the acid chlorides. At least a stoichiometric amount of water, alcohol or carboxylic acid is used based on the amount of dichloroacetyl chloride present. The distillation is preferably performed at 50- 500 mm. Hg pressure with a bottoms temperature of less than 130‹ C.
Patent GB-290218-A (GB)
Title: Improvements in or relating to magnetic action speedometers
IPC: G01P3/495
Filed: 1928-04-19
Abstract: 290,218. Etablissements E. Jaeger. May 10. 1927, [Convention date]. Drawings to Specification. Permanent magnets. - In an eddy-curuent speedometer the rotating magnet, of cruciform shape, is provided with bars of nickel-copper or other alloy connecting adjacent arms of the magnet in pairs to compensate, for temperature changes.
Patent GB-557994-A (GB)
Title: Improvements in liquid servo-motors
IPC: F15B9/12
Filed: 1942-08-19
Abstract: 557,994. Fluid-pressure servomotors. ENGLISH ELECTRIC CO., Ltd., DOLAN, H., HOUSTON, T. R., and SENHENN, W. E. Aug. 19, 1942, No. 11642. [Class 135] A manually controlled fluid pressure servomotor with follow-up control, particularly adapted for operating the electric controller of a motor driving a mine winding gear is provided with adjustable stops for limiting the stroke of the control valve. In the form shown in Fig. 1 a rod 1a on a double-acting piston is connected by a link 38 to an arm 29 on an output shaft 30 and by a link 6 to a floating lever 5 coupled to the driver's handle and the control valve 3. The passages 4a, 4b connecting the valve to the power cylinder are drilled from outside the casing and closed by plugs 15 so as to leave pockets to balance lateral pressure on the valve. Passages are drilled through or grooves 3d turned on the lands of the valve to connect the pockets with the passages. The valve may slide in a liner which may be adjustable and is provided with a series of radial ports leaking to annular recesses cast in the casing. The two lands may be mounted on separate spindles connected by a joint 16 arranged to permit relative lateral movement. The projecting ends of the valve spindle are screwed threaded and fitted with nuts 8 adapted to act as stops by engaging the ends of the casing. In a modification, a screwed spindle stop is screwed into the casing to engage one end of the valve spindle while a flange on the other end co-operates with a sleeve stop adjusted by a screwed member secured by lock-nut When the piston normally occupies a mid-position an adjustable leak 2a may be fitted so that movement away from this position is slower than its return thereto. By connecting this leak to the two ends of the cylinder through non-return valves the movement away from the mid-position may be made faster than the return movement. To vary the rate of movement the supply pipe may be fitted with an adjustable restriction in parallel with an electromagnetically actuated valve. As shown in Fig. 5, the lever is coupled by a link 33 to an arm 34 on a shaft 35 provided with an arm 36 adjustably connected to an arm 37 linked to the delivery handle. The links 6 and 38 may be removed and the arm 36 connected by a link 39 to an arm 32 on the output shaft to give direct actuation of the output shaft. Alternatively, the lever 5 may be uncoupled from the valve spindle and fulcrumed on a stationary pivot to allow the piston to be moved mechanically.
Patent GB-194966-A (GB)
Title: Improved banjo plectrum
IPC: G10D3/16
Filed: 1922-04-26
Abstract: 194,966. Pye, J. H., (known as Cashmore, J.). April 26, 1922. Banjoes, plectra for consist of two parts a, b connected by a springy strip c. The parts a, b may be made of celluloid, vulcanite, vulcanised fibre, ivory, bone tortoise-shell, box-wood or metal. The plectrum is held by the part a, which may be larger than the' part b and have finger-grip grooves e, e<1>, different effects being obtained by the use of the two ends.