baber/WOPTO huggingface dataset:
Patent GB-608208-A (GB)
Title: Process for the preparation of phenthiazine derivatives
Filed: 1946-02-18
Abstract: Amino derivatives of phenthiazine of the formula <FORM:0608208/IV(b)/1> (in which R1 and R2 are H or alkyl groups, R3 and R4 are alkyl groups, and n is an integer greater than 1) are made by reacting phenthiazine, or a phenthiazine in which the benzene nuclei contain alkyl or alkoxy groups, with a dialkylaminoalkyl halide in the presence of an acid-binding agent, e.g. sodamide.  In examples: (1) N-diethylaminoethylphenthiazine is obtained by heating phenthiazine, xylene and sodamide under reflux and diethylaminochloroethane; N - diethylaminopropyl - phenthiazine and N - dimethylaminoethyl-phenthiazine are prepared similarly; (2) N - (31 - dimethylaminopropyl) - phenthiazine is similarly prepared from phenthiazine and 3-dimethylamino-1-chloropropane; (3) N-(21-dimethylamino-21-methylethyl)-phenthiazine is made similarly using 1-dimethylamino - 2 - chloropropane; (4) N - (21-dimethylaminoethyl) - 2 - methoxyphenthiazine is made by heating 2-methoxyphenthiazine, xylene, sodamide and dimethylamino-chloroethane; (5) N-(21-dimethylamino-21-methylethyl) -2-methoxyphenthiazine is made similarly from 2-methoxyphenthiazine and 1-dimethylamino-2-chloropropane; (6) N-(31-dimethylamino-21,21-dimethylpropyl) -phenthiazine is made similarly from phenthiazine and 1-dimethylamino-2,2-dimethyl-3-chloropropane.
Patent GB-719328-A (GB)
Title: Process for manufacturing a curative for articular rheumatism and sphacelus which is also a sedative
IPC: A61K35/74
Filed: 1952-02-27
Abstract: A curative for rheumatism and other complaints is produced by culturing in solid or in liquid media fluorescent microbes isolated from sea animals, e.g. cuttle fish, or fresh water animals, or sea water, extracting the active substance with distilled water containing or not antiseptics, e.g. phenol, or with an organic solvent, e.g. methanol, ethanol, butanol, benzene, or aqueous solutions thereof, or with physiological salt solution or with acid or alkali solutions, separating protein and lipoid material when present, and recovering the active substance, including a final stage of evaporating to dryness in vacuum at low temperature.  When extraction is effected by non-organic solvents, protein, amino acids and lipoid material are separated by filtration through asbestos treated with sodium silicate and magnesium silicate.  After filtration, the pH is adjusted to 2-6, the active substance is adsorbed on, say kaolin or active carbon and the adsorbate treated, e.g. with caustic soda solution at pH 8-12 to elute the active substance.  After concentration, alcohol is added to precipitate substances insoluble therein, and the filtrate is dried in vacuum at low temperature.  As an alternative to the adsorbtion procedure, silver nitrate, lead acetate, &c. is added to precipitate a heavy metal salt of the active substance, which is recovered by precipitating the metal with hydrogen sulphide.  The filtrate is concentrated to dryness and the active substance dissolved in carbolic acid, alcohols, acetone, benzene, or aqueous solutions thereof.  The culture medium may be dried at low temperature and lipoid extracted with ether prior to extraction of the active substance.  Prior to or during extraction, the microbe may be destroyed by physical means, e.g. by heat or pressing, or by chemical means, using acid or alkali.
Patent GB-1471112-A (GB)
Title: Tlifting jacks
IPC: F16C29/02
Filed: 1974-05-01
Abstract: 1471112 Fluid-pressure jacks INDUSTRY SECRETARY OF STATE FOR 1 May 1974 [1 Feb 1973] 5088/73 Heading F1D [Also in Divisions B8 and F2] A piston and cylinder jack has an inlet 16 adapted to receive pressurized fluid employed both to raise the load and to supply fluid to a fluid film lubricated bearing formed between lower surface 14 of base 11 and the ground 15. The pressure fluid is fed from the inlet 16 along a channel 17 to a sub-chamber 18 and to a lower chamber 13 in wide diameter lower portion 3 of cylindrical body 1 and thus acts on a stepped intensifier piston 8 to raise an upper, cup-shaped piston 6 which carries the load. In the fully raised position shown the chamber 13 is in communication, through passages 22, in the piston 8, 19, 23, 25 with orifices 27 in a circular compliant pad 26 of neoprene fixed to the underneath of the base 11, so that the fluid film lubricated bearing is not formed until the piston 8 is fully raised. A hand-operated, hydraulic pump (not shown) may be connected to a self-sealing inlet 35 to increase or decrease the volume of fluid in upper chamber 12 to adjust the height of the jack. In a modification, Fig. 4, an annular sealing ring piston 62 acts on an annular compliant pad 63 surrounding a circular compliant pad 54 to enable the jack to be used on trackways with surface irregularities, as when a number of the jacks are used to lift and shift large and heavy sections of a ship in a shipyard. The fluid may be oil, other liquid or grease in the jack described above, but pressurized gas may be used, forming a gas film bearing, the upper chamber 12, containing a liquid as before. Reference is made to Specifications 1471113 and 1471114.
Patent GB-355205-A (GB)
Title: Improvements in heat exchangers more particularly for refrigerating apparatus
IPC: F25B15/10
Filed: 1930-02-17
Abstract: 355,205. Refrigerating; heat-exchange apparatus. ELECTROLUX, Ltd., 153, Regent Street, London.-(Assignees of Lenning, A. ; 2, Norrmalmstorg, Stockholm.) Feb. 17, 1930, No. 5244. Convention date, Feb. 18, 1929. Void [Published under Sect. 91 of the Acts]. [Classes 29 and 64 (iii).] Absorption machines ; tubes with internal baffles.- Baffles inserted in the tubes of heat exchangers, particularly the exchangers used in the gas circuits of continuous-cycle absorption refrigerating systems, Fig. 1 (not shown), containing inert gas, comprise inclined vanes 47, 48 struck up from blanks. The baffles for the inner tube 40 may be formed by pressing a sheet into cup form, drilling holes at the centre and rim of the base, and then cutting and bending the segments of the base so that they are inclined to the general flow of fluid when inserted in the tube. The baffles for the space between the tubes are similarly formed on ring-shaped members 49 fitting around the outer wall of the inner tube.
Patent GB-827180-A (GB)
Title: Hinged metallic detachable tread band for tyres of vehicles
IPC: B60C27/20
Filed: 1956-02-21
Abstract: 827,180. Detachable metal treads. PIZZUTI, O. Feb. 21, 1956 [May 10, 1955], No. 5259/56. Class 144 (2). A detachable metal tread band for a pneumatic tyre comprises a series of pivotally connected metal elements 1, each of stirrup shape to embrace the tyre tread and sidewalls and provided at each tapered side arm with at least two integral or welded radially extending ribs or projections 4, 5 for ground engagement. Each element 3 has pivot lugs 2 at each end to receive pivot pins 3, and is provided on its road engaging surface with a circumferentially extending rib 12, transverse ribs 14 and obliquely-directed ribs 13.
Patent GB-1179566-A (GB)
Title: Apparatus for Measuring the Density of a Liquid
Inventor: KENIGSBERG VIKTOR LAZAREVICH
IPC: G01N9/26
Filed: 1967-02-03
Abstract: 1,179,566. Apparatus for measuring density. GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY INSTITUT TEPLOENERGETICHESKOGO PRIBOROSTROENIYA. Feb.3, 1967, No. 5309/67. Heading G1S. In apparatus for determining the density of a liquid the test liquid is contained in an outer container 21 and a liquid of known density is contained in an inner container 14. The apparatus also comprises bellows 4, 5 interconnected by a rigid member 6 such that changes in pressure due to changes in density are detected by 4, 5 and transmitted by a pivoted lever 9 connected to member 6 Change of volume of the liquid in 14 due to temperature change is taken up by alteration in volume of the bellows 7. In a modification, where the sensitive elements 4, 5 are of different sizes, they are connected together by a rigid member which is pivoted at a point intermediate of its length and connected to a similar lever 9.
Patent GB-312206-A (GB)
Title: Improvements in or relating to leaf-springs for vehicles
IPC: F16F1/24
Filed: 1928-02-20
Abstract: 312,206. Boggis, C. P. Feb. 20, 1928. Laminated springs.-A shackle pin and leaves are lubricated by oil which is introduced into a central hole in the pin and is led through holes and grooves to all the leaves in succession. The central bore c in the pin is connected by a radial hole d to a cut away part b<1> of the pin, a shallow groove being also formed round the pin. A hole e through the top leaf leads to a longitudinal groove f in the upper side of the second leaf, a hole e<1> to a groove in the third leaf and so on in succession.
Patent GB-1218883-A (GB)
Title: Process for the production of synthethic crystalline zeolites
Inventor: WOLF FRIEDRICH
IPC: C01B39/02
Filed: 1969-01-31
Abstract: 1,218,883. Preparation of crystalline zeolites. CHEMIEKOMBINAT BITTERFELD VEB. 31 Jan., 1969, No. 5368/69. Heading C1A. Synthetic crystalline zeolites, particularly of the A, X and mordenite types, are produced by a hydrothermal synthesis from reaction mixtures containing alkali metal silicates and alkali metal aluminates or silicic acid and alkali metal aluminates, wherein an inorganic salt of the alkali metal which is introduced into the crystalline lattice of the zeolite during synthesis is added to the reaction mixture in an amount of from 0À5-30% by weight of the solid materials in the reaction mixture to increase the rate of crystallization. The inorganic salt is preferably a fluoride, chloride, nitrate, nitrite, carbonate, chlorate, perchlorate, bromate or iodate of sodium or potassium and is dissolved in one of the synthesis components and the second synthesis component is subsequently added.
Patent GB-1536365-A (GB)
Title: Measuring apparatus for measuring or adjusting the relative position of two objects
IPC: G01B5/00
Filed: 1976-02-11
Abstract: 1536365 Measuring apparatus DR JOHANNES HEIDENHAIN GmbH 11 Feb 1976 [11 Feb 1975 (2)] 05417/76 Heading G1M A linear measuring apparatus for measuring the relative position of two objects comprises a measuring scale 1 mounted within a protective hollow body 10 and a sensing unit 9 mounted in front of the scale. The scale is secured to the body 10 through an elastomeric layer 11, e.g. of silicone rubber, the scale being preferably of glass and the body 10 of extended aluminium. The sensing unit is guided by shoes 12, 13 acting on the surface of the scale 1 and rollers 14 acting on a surface of the body 10, these surfaces being inclined, preferably at right angles. The sensing unit 9 is attached to one object 19 by a driving element 17 which is guided between flexible sealing lips 21, 22. The sensing unit may comprise a lamp and photo-electric means for co-operating with the scale 1. The body 10 may be connected to the other object by resilient flexible connections.
Patent GB-348238-A (GB)
Title: Improvements in or relating to detachable handles for use with cooking utensils and other domestic articles
IPC: A47J45/07
Filed: 1930-02-20
Abstract: 348,238. Holding and picking-up tools. SIDDONS, Ltd., J. & J. and SIDDONS, B. A., Hill Top, West Bromwich. Feb. 20, 1930, Nos. 5636, 13095, and 18686. [Class 61 (ii).] Detachable handles for domestic articles such as grates, dampers, ash-pans, or oven plates, are engaged in socket members provided on the articles, the socket members having means co-operating with rods slidably mounted on the handles for locking the handles in position. In the form shown in Fig. 2, a rod 22, pressed downwardly by a spring 24, causes a catch 18 pivoted to the handle end 17 to engage an opening in the wall of the tubular socket portion 20. The catch may be positively actuated by the heel having a projection engaged between spaced projections on the end of the sliding rod. In the form shown in Fig. 5, the socket 20 is vertically disposed and engaged by an upward projection 17c of the handle end ; the sliding rod bears on an inclined ledge 20d in the outer wall of the socket. The handle has also side lugs 17d engaging slots in the socket member. Figs. 9, 10 show a handle with a wedge-shaped end 17e upwardly engaged in a socket 20 ; a spring-actuated rod 22 disposed below the handle enters aligned openings in the two parts. To enable the sliding rod to be held in the retracted position it may terminate in a boss 22d, Fig. 13, formed with inwardly-directed side lugs 22e adapted to be engaged with the outer face of the end cap 16a by turning the retracted rod through 90‹.
Patent GB-1499515-A (GB)
Title: Apparatus for rotatably mounting a vehicle tyre
IPC: G01M1/04
Filed: 1975-02-11
Abstract: 1499515 Supporting tyres eg in tyre testing machines DUNLOP Ltd 11 Feb 1975 [20 Feb 1974] 5712/75 Heading B7C A tyre mounting apparatus comprises two annular bead support members 3, 13, a rotatable, hollow shaft 1 supporting the lower member 3, a substantially cylindrical member 9 on which member 13 is axially adjustable, and means for coupling the shaft 1 and the member 9. This means comprises a frusto-conical recess 2 in the shaft, a frusto conical screw threaded element 8 within the recess, a frusto-conical projection 20 on the member 9, and a frusto-conical screw threaded recess 5 in the member 9. As illustrated, the member 9 includes an internally threaded, resiliently mounted sleeve 10 and the element 8 has thereon an externally threaded extension 6. In operation, with the shaft 1 and member 9 separated, a tyre is positioned on the lower support member 3 and the upper support member 13 and member 9 are lowered by a piston/cylinder assembly (not shown) connected to rod 15 until sleeve 10 contacts extension 6 to force the shaft 4 downwardly. At this time shaft 4 commences rotation, and screwing of the extension into the sleeve 10 facilitates accurate engagement of the element 8 and recess 5. When the torque in the shaft 4 reaches a pre-set level coupling 7 is disengaged. Coupling 17 is released and the member 9 is supported solely by shaft 1 for tyre testing during which a brake 14 is released and shaft 1 is rotated. The head of the shaft 1 and/or the projection 20 may be elastically deformable and to this end the abutting faces of the recess 2 and the projection 20 may either or both be provided with axially or circumferentially extending grooves.
Patent GB-1502243-A (GB)
Title: Tennis toys or games
IPC: A63F7/06
Filed: 1977-02-11
Abstract: 1502243 Tennis game R MICARELLI 11 Feb 1977 05722/77 Heading A6H A game comprises a net RE for mounting across a surface representing a tennis court inner and outer transverse slots FR, FE at each end of the surface, a pivot carrying a control means in each outer slot and a pivot carrying a puppet in each inner slot, the pivots at each end being carried on a carriage movable parallel to the slots Each carriage is moved laterally by a control knob 17A which rotates the puppet through a belt and pulley drive, or by gears, clutches or electric means. The net can be frictionally held in an upper position and a heavy ball played beneath it, or in a lower position when a light ball may be caused to pass over it assisted if necessary by fixing a ramp on each side of the net. The apparatus may be formed in halves with detachable legs.
Patent GB-415442-A (GB)
Title: Improvements in or relating to moving coil electrical instruments
IPC: H04R9/04
Filed: 1933-02-24
Abstract: 415,442. Current and pressure meters. TENNY, H. S., 69, Minerva Road, Park Royal, London. Feb. 24, 1933, No. 5743. [Class 37.] A moving coil for a moving coil instrument, such as a loud-speaker, ammeter, or voltmeter, is formed by winding the coil on a mandrel and compressing it in an axial direction whilst still on the mandrel so that the wire of the coil becomes flattened in cross-section. Fig. 1 shows an apparatus for winding and compressing the coil comprising a sleeve or holder 11 mounted for rotation in a bearing 12 of a winding machine and recessed at its outer end at 13 to accommodate a mandrel 14. With the parts in the position shown, one end of the wire is laid in the slot 15 in the sleeve 11 and the requisite number of turns wound round the mandrel after which the plunger 16 provided in the machine is advanced and presses the mandrel inwards towards the shell until the plunger just grips the end turn of the winding 22. The end 23 of the wire is then bent backwards over the winding as shown and caused to enter one of six flutes 18 in a barrel 17 which is then slid forward over the winding until it abuts against the plunger 16. The plunger is then further advanced until the mandrel is forced right into the bottom of recess 13 in the shell, the winding 22 being thus compressed to the desired degree in the axial direction. The mandrel 14 and barrel 17 with the winding in between are then removed and placed on a plate under a fly-press, Fig. 3 (not shown), a moulding mixture such as cellulose acetate being then moulded around the coil so as to produce a ring 31, Fig. 6, above the winding 22 and six fingers 32 extending across and beneath the winding, the ends of the coil being embedded in two adjacent fingers as shown in Fig. 6. This Figure shows the finished coil, the barrel and mandrel having been removed by suitable pressers, Figs. 4 and 5 (not shown). With such a construction of coil the air gap in which it is located can be reduced to a minimum by fluting the gap at six places to clear the fingers 32 on the coil. According to a modification, the coil instead of being moulded is compressed axially without using the barrel 17 and then held together temporarily by varnish, after which it is slid off the mandrel and mounted on a paper supporting tube. Specifications 11442/05, [Class 37], 415,443, and 415,444, [Group XXXIX], are referred to.
Patent GB-1491307-A (GB)
Title: Electrical devices for information storage comprising a semiconductor target
IPC: H01J29/45
Filed: 1975-02-11
Abstract: 1491307 Semi-conductor targets for memory tubes; image pick-up tubes PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 11 Feb 1975 [14 Feb 1974] 5744/75 Headings H1K and H1D A memory tube target comprises an N-type semi-conductor body 1, Fig. 5, having at one surface an array of P-type islands 3, there being an insulating layer 5 covering the entire surface and a conductive read-out grating 6 covering the layer 5 except where it overlies the islands 3. In a modification the grating 6 is locally connected directly to the body 1. The layer 5, which may be of silicon oxide or nitride or aluminium oxide, is positively charged by applying to the body 1, e.g. via electrode 8, a high enough positive potential relative to the electron gun 21 (Fig. 3) that the secondary emission coefficient exceeds unity leaving a net positive charge on the layer 5. Information corresponding to a radiation pattern is then read in either optically, by image-wise illumination while the target is scanned with a uniform intensity electron beam, the target voltage having been reduced to reduce the secondary emission, or electrically, in which case the scanning electron beam is modulated with a video signal. A charge pattern corresponding to the radiation pattern is thus formed on the layer 5, and any charge remaining on the junctions around the islands 3 is preferably then discharged, e.g. by a flash of light. Non-destructive read-out is accomplished by applying a positive voltage to the grating 6, which may be of Mo or polycrystalline Si, and scanning the target with a constant intensity electron beam. A method of manufacture of the target using conventional semi-conductor processing steps is disclosed.
Patent GB-1099708-A (GB)
Title: Cranes for charging furnaces
IPC: B66C13/00
Filed: 1966-02-09
Abstract: 1,099,708. Overhead travelling cranes. KERMA CORPORATION. Feb. 9, 1966 [Feb. 23, 1965; July 21, 1965], No. 5766/66. Heading B8B. [Also in Division F4] An overhead crane, including a trolley M movable on a trackway, designed for charging furnaces with scrap and liquid metal, comprises a main load grab R connected by cables 27 and (28) to hoist mechanism N, a grab 24 connected by cable 23 to hoist mechanism P for tilting the load when it is elevated, and members 40, 41 depending from the trolley having guideways which receive portions of the grab R during elevation thereof, thus preventing lateral movement of the load during transportation and tilting thereof. The load may be a trough S or a ladle H. Different methods of mounting the trough S and the grab R are described.
Patent GB-1283291-A (GB)
Title: Arrangement for sucking dust from web material
IPC: B41F23/00
Filed: 1970-02-06
Abstract: 1283291 Removing dust in industrial processes SVENSKA FLAKTFABRIKEN AB 6 Feb 1970 [14 Feb 1969] 5832/70 Heading F4X Dust on a web 1 of material (e.g. paper) moving in a direction 1a, is removed by simultaneously blowing-on and sucking-off air adjacent the web from a surface 2 parallel to and spaced from the web, the dust dislodging and removal means comprising at least one row of openings 3 in said surface 2 adapted to direct jets of air on to the web surface in directions substantially parallel to the direction of motion of the web, in order to dislodge the dust &c. which is thereafter sucked away through a gap 5 extending parallel with the row or rows of openings. As shown, there are two of the suction gaps 5 arranged one on each side of the blow openings 3 which are disposed in three rows, the outermost rows being adapted to direct air streams in opposite directions as shown by the arrows, and the centre row directing air streams more directly on to the web surface so as to dislodge dust therefrom. The outer walls 6 bounding the suction gaps 5 are adjustable in height so as to vary the effect of the suction gaps. Bevels 2a are said to facilitate deflection of the air and entrained dust into the suction gaps.
Patent GB-886750-A (GB)
Title: Preparation of carboxylic esters
IPC: C08G79/00
Filed: 1958-02-24
Abstract: Polyesters are prepared by reacting under ester exchange conditions a diester of a C2-12 aliphatic dibasic acid with an aliphatic polyhydric alcohol of at least 4 carbon atoms in the presence of a catalyst which is a polymer obtained by reacting a titanium tetraester with a C2-20 glycol.  The ester-exchange may form part of a single or multi-step process for preparing complex esters. Examples describe the reaction of methyl sebecate with polyethylene and polypropylene glycols. Specifications 866,053 and 866,054 are referred to.ALSO:Esters are prepared by reacting under ester exchange conditions a diester of a C2-12 aliphatic dibasic acid having at least one alcohol residue of not more than 4 carbon atoms with an aliphatic alcohol of at least 4 carbon atoms containing at least one carbon atom more than the alcohol residue of the diester, while removing the alcohol formed in the reaction, e.g. by employing a suitable temperature, and in the presence of a catalyst which is a polymer obtained by reacting a titanium tetraester with a C2-20 glycol (including polyglycols and halogen-substituted glycols) in the molar ratio of 0.5 to 4 moles of glycol per mole of titanium tetraester and, if necessary, heating and/or water washing to form the polymer.  The alcohol reactant may be mono- or poly-hydric and may be an ether glycol having 1-50 ether oxygen atoms or may be the half-ester of a glycol and a monobasic aliphatic acid.  The acid of the ester reactant may be saturated or unsaturated and may contain an ether atom, e.g. diglycollic.  The ester interchange process may form part of a single or multi-step process for preparing complex esters. Specifications 866,053 and 866,054 are referred to.