baber/WOPTO huggingface dataset:
Patent GB-279055-A (GB)
Title: A process for hydrogenating and splitting hydrocarbons, the distillation products of various coals and their constituents, as also the coals themselves
IPC: C10G1/08
Filed: 1927-09-21
Abstract: 279,055. Spilker, A. L. H., Zerbe, C., and Ges. fur Teerverwertung. Oct. 18, 1926, [Convention date]. Addition to 277,974. Cyclic hydrocarbons.-In the destructive hydrogenation of hydrocarbons, coal. and its distillates with the help of iodine or an iodine compound, as described in the parent Specification, iodine compounds which are at the most only slightly decomposed at the reaction temperature (such. as alkali and alkaline earth iodides), are used together with such metallic salts as will cause dissociation of the iodine compounds. Suitable salts are iron alum, ferric chloride, and copper sulphate. The process is erfected as described in the parent case, which mentions the production of tetrahydronaphthalene and benzene hydrocarbons from naphthalene, and of liquid hydrocarbons from coal tar pitch. Specification 253,507, [Class 33, Distilling &c.] also is referred to.
Patent GB-1426896-A (GB)
Title: Liquid crystal display system
IPC: G02F1/133
Filed: 1973-05-25
Abstract: 1426896 Liquid crystal composition MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 25 May 1973 [30 May 1972 (3) 16 June 1972] 25148/73 Heading C4X [Also in Divisions H3-H5] Liquid crystal compositions exhibiting optical scattering when an electric potential difference is applied thereacross are formed by mixing (a) equal quantities of p-methoxy-benzylidene-p<SP>1</SP>- propylaniline; p-ethoxy-benzylidene-p<SP>1</SP>-butylaniline and p-butoxy-benzylidene-p<SP>1</SP>-butylaniline, with a resistance determing additive or (b) equal quantities of p-methoxy-benzylidenep<SP>1</SP> - n - heptyl - aniline and p - n - propoxybenzylidene - p<SP>1</SP> - n - pentylaniline, to which is subsequently added 20% of p-methoxy-benzylidene - p<SP>1</SP> - n - pentylcarbonyloxy - aniline and 1% of lauryl gallate.
Patent GB-848469-A (GB)
Title: Pulse generator for storage devices
IPC: G11B20/16
Filed: 1957-08-09
Abstract: 848,469. Electric digital-data-storage apparatus. OLYMPIA WERKE A.G. Aug. 9, 1957 [Aug. 17, 1956], No. 25183/57. Drawings to Specification. Class 106 (1). A pulse generator for a magnetic drum or like store comprises a movable track having a sequence of equally spaced marks each adapted to produce an electric pulse in a reading head, and a plurality of reading heads electrically connected in series and arranged at such a distance from one another that they are simultaneously energized by the marks of the track. The aim is to average out any slight inaccuracies which might be present when using a single reading head. Ferroelectric and photo-electric transducers can be treated similarly, and the arrangement can also be used with a tape store.
Patent GB-280013-A (GB)
Title: Improvements in or relating to diaphragms or diaphragm mounts for loud speakers or other sound reproducing devices
IPC: H04R7/20
Filed: 1926-10-11
Abstract: 280,013. Dicker, S. G. S., (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Oct. 11, 1926. Diaphragms. - A loudspeaker or a sound-reproducing device is provided with a conical diaphragm 1 which at its edge is loosely located between strips 3, 4 of a yielding material, preferably of textile fabric, which are secured to a baffle plate 7. The diaphragm is preferably of celluloid and formed with a collar or flange at its edge. The strips 3, 4 preferably overlap the diaphragm by a width of the order of a quarter of an inch.
Patent GB-873591-A (GB)
Title: Solutions of aromatic linear polyesters and shaped bodies produced therefrom
IPC: C08L77/00
Filed: 1959-07-23
Abstract: A solution suitable for the manufacture of filaments or films, or for coating metal or wood, comprises an aromatic linear polyester dissolved in anhydrous hydrofluoric acid.  The polyester may be polyethylene terephthalate, polybutylene terephthalate or poly-1,4-hexahydroxylylene terephthalate.  The solution may also contain (a) a polyamide, polyurethane or polyesterurethane; (b) another solvent for the polyester, e.g. phenol, cresol, a mixture of a phenol and a chlorinated hydrocarbon, a tetrahydrofuryl ester, a chloroacetic acid or trifluoroacetic acid; (c) a colouring material, e.g. copper phthalocyanine or a vat dyestuff; (d) a matting agent in ultra-fine form; (e) a plasticizer; or (f) a substance which reacts in response to heat to render the polyester (e.g. in the form of a filament) more insoluble or resistant to heat.  The solutions may be dry spun by forcing them through a spinneret disposed at the upper end of a polyethylene tube whilst introducing warm air at the bottom of the tube to entrain hydrofluoric acid vapours.  They may also be wet spun using methanol, sodium fluoride solutions, or aqueous alcohols as precipitating agents; in this latter process, the solutions preferably contain phenol or cresol.  Specification 797,294 is referred to.
Patent GB-678543-A (GB)
Title: Improvements in and relating to means for interconnecting wire, rod or cable parts
IPC: E04C5/16
Filed: 1950-10-18
Abstract: 678,543. Rod or wire joints. CONCRETE PATENTS, Ltd., and DANHOF, K. R. Oct. 18, 1950 [Oct. 25, 1949], No. 25421/50. Class 99 (i) [Also in Groups X and XXV] A joint for the interconnection of wires, rods, &c. 1, in particular such as used for the reinforcement of concrete, consists of a tubular element 2 which encloses parts of the wires &c. projecting into or passed through the element and is filled besides the wires &c, with compacted sand or like granular material 3. The ends of the wires &c. may be straight or deformed, Fig. 1 showing the ends corrugated and extending along each other. The sand 3 is housed compactly in the tube by exerting a vibrating or shaking action on the tube A wire &c. loop such as shown may consist of a plurality of windings in which case more than two wires &c. are passed through the tube. A joint may be made intermediate the ends of the wires &c. Specification 486,511, [Group X], is referred to.
Patent GB-1209226-A (GB)
Title: Leaflet feed apparatus
IPC: B65B61/20
Filed: 1968-05-28
Abstract: 1,209,226. Endless conveyers for leaflets &c. INDUSTRIE - WERKE KARLSRUHE A.G. 28 May, 1968 [9 June, 1967], No. 25447/68. Heading B8A. In apparatus for feeding and delivering printed items, such as leaflets or the like 29 to a series of articles (not shown) moving in a continuous stream on a conveyer device 4 comprising a leaflet feeder 2 which supplies the leaflets which may be folded and delivers them to leaflet receivers 41 which are associated with article holders 37, 38 of the conveyer device 4, as well as with at least one guide rail 55 guiding the free leaflet ends into a desired position, the leaflet receivers 41 are disposed on an endless leaflet conveyer means 3 which extends adjacent to the article conveyer device 4 and which travels in unison therewith, and are constructed as cam controlled grippers 42, 44. The feeder 2 comprises upper and lower pairs of endless belts 20, 23 between which each leaflet 29 is gripped. A rotary transfer device 1 carries four pairs of gripper jaws, each of which comprises an upper movable jaw 15 which is spring urged into a downward gripping position. It is raised into an open position by the action of a fixed cam 8, concentric with the centre 6 of movement of the transfer device 1. In operation, an overhanging portion of each leaflet on the conveyer 2 is engaged under a raised jaw 15 which is then lowered to grip the leaflet and carry it round and under the guide 55 and into engagement with the grippers 42, 44, on the conveyer 3. A member 46 of the gripper 44 is engaged by, and driven into gripping position by, one of four cam portions 48 carried by the transfer device 1. A second fixed cam 9 concentric with the centre 6 operates a follower 52 of a guide member 50 carried by the rotating device 1. This engages behind, and supports, the portion of the leaflet guided by the rail 55.
Patent GB-872157-A (GB)
Title: Carton folding machine
IPC: B31B50/50
Filed: 1958-08-08
Abstract: 872,157. Carton erecting machines. JOHNSON, A. July 20, 1959 [Aug. 8, 1958], No. 25579/58. Class 18. A carton of the type having a base 23 sides 12, 13 and ends 16, in which the sides have flaps 15 and lugs 18 engaging slits 17 in the ends, is erected in a die-and-plunger machine having recesses 26, Fig. 2, in the die walls to accommodate a part of each end wall 16 when displaced by a finger 28 thereby presenting opened slits 17 for engagement by the flaps 15 and lugs 18. Means is provided to turn over the top of each end 16 thereby bending the lugs 18 inwardly and lock them in position. The recesses 26 have ribs 31 cooperating with fingers 30 to guide the flaps 15 and lugs 18 into the opened slits. The fingers 30 may be omitted. Towards the end of the stroke of the plunger, the underside of the carton base 23 strikes a projecting lever 36 and a further lever 39 connected thereto by a rod 40 is swung down and folds over the top of the ends 16 and also the lugs 18. The slits 17 are closed by the die walls as the carton descends. The cartons are ejected from the lower end of the die.
Patent GB-757668-A (GB)
Title: Improvements in or relating to rotary regenerative heat exchangers
IPC: F28D19/04
Filed: 1954-09-03
Abstract: 757,668. Thermal regenerators. SVENSKA ROTOR MASKINER AKTIEBOLAG. Sept. 3, 1954 [Sept. 10, 1953], No. 25591/54. Class 64(1). In a thermal regenerator having a rotor divided by partitions 26 into compartments 19 containing heat transfer material exposed alternately to streams of relatively hot and relatively cool gas, each said partition is formed with a plurality of sealed chambers 40 containing a vaporizable liquid such as water so that under operating conditions the liquid vaporizes, the vapour acting to reduce the temperature gradient through the rotor. The chambers 40 may be incorporated in partitions which extend radially, as shown, or circumferentially within the rotor.
Patent GB-671996-A (GB)
Title: Improvements in and relating to insecticidal compositions
IPC: A01N25/02
Filed: 1950-10-20
Abstract: An aqueous cellulose ether composition for use as an insecticide comprises an aqueous solution of one or more cellulose ethers and one or several of the following halogen derivatives of a hydrocarbon, namely: chloroform, 1,2-dichlorethane, 1,1 - dichlorethane, dichloroethylene, 1,1,1 - trichlorethane, 1,1,2 - trichlorethane, 1,1,2,2 - tetrachlorethane, 1,1,1,2-tetrachlorethane, tetrachlorethylene, pentachlorethane, hexachlorethane, ethylene bromide and methylene bromide. Specified cellulose ethers are methyl cellulose, sodium carboxy methyl cellulose and hydroxyethyl cellulose.  Insecticides such as rotenone, D.D.T., pyrethrum, azobenzene, parathion and hexachlorocyclohexane may be incorporated in the emulsion. Where two or more of the specified halogen derivatives of hydrocarbons are used the specific gravity of these substances must not exceed 1.5.  The compositions contain 1.5 to 3 per cent of the cellulose ether, 83.9-52 per cent water, 14.5-30 per cent of the halogen derivative and 0.1-15 per cent of the insecticide.  Specification 613,928 is referred to.
Patent GB-1470300-A (GB)
Title: Magnetic transducer core assemblies and methods of making them
IPC: G11B5/29
Filed: 1974-06-10
Abstract: 1470300 Magnetic heads SPERRY RAND CORP 10 June 1974 [18 June 1973] 25632/74 Heading G5R [Also in Division H1] An electromagnetic transducer comprises a ferrite block 10 (Fig. 1) and a further such block 20 (Fig. 2) bonded together (Fig. 3, not shown). Block 10 is formed with angled uniformly spaced slots 11 to 14 to define spaced teeth 15 to 19 each forming a polepiece for a transducer channel. Slots 11 to 14 are then filled with molten glass and the surfaces are lapped flat. Layers of gap spacing material, e.g. platinum or silicon monoxide are deposited at 15a, 19a on the end teeth. Block 20 is channelled at 21 to give a C-shaped cross-section with lapped mating surfaces 20a, 20b corresponding to the surface 10a of block 10 to which it is glass bonded, and surface 10b is machined to produce a required gap length h. Grooves 22, 23 are machined in to provide vents for air trapped between a recording medium (not shown) and surface 10b of the medium moves across the transistor face. The surface is again lapped; and the member 20 is cut transversely (Fig. 4) midway between notches 11 to 14 to provide plural transducer channels, and corresponding windings are applied to each resultant member 20c, 20d, 20e, &c. The transducer may be mounted as a single multichannel device or sliced into individual elements.
Patent GB-264233-A (GB)
Title: An improved method of producing fibres capable of being spun
IPC: D01C3/00
Filed: 1925-10-14
Abstract: 264,233. Oberrheinische Handelsges., and Ubbelohde, L. Oct. 14, 1925. Addition to 254,357. Fibres, roughening mechanically; fibres, treating.-A modification of the process of the parent Specification comprises forming or depositing inorganic or organic roughening agents on the fibres by chemical decomposition or by physical means in a wet, semi-dry, or dry state. The deposition may be as in the case of the mordanting in dye works, or as in the known waterproofing of textiles. Aluminium sulphate, or alum, precipitated with glue, soaps precipitated with metallic salts, and soda solution precipitated with calcium chloride may be used. Organic colloids such as starch or gelatine subsequently hardened and rendered insoluble are suitable. The adhesion of mineral substances may be assisted by soap, dextrin, starch solution, olein and the like. The fibres may be first rendered sensitive and suitable for roughening. Specification 239,605 is referred to.
Patent GB-370815-A (GB)
Title: Improvements in apparatus for the manufacture of carburetted water gas
IPC: C10J1/213
Filed: 1931-09-14
Abstract: 370,815. Water gas generators. HUMPHREYS & GLASGOW, Ltd., Humglas House, Carlisle Place, London.-(Assignees of Perry, J. A.; Swarthmore, and Hall, E. L. ; Broad Street, Philadelphia, both in Pennsylvania, U.S.A.) Sept. 14, 1931, No. 25717. Convention date, Dec. 9, 1930. [Class 55 (i).] In a two-shell water gas set comprising a generator having means for admitting secondary air marginally adjacent the top of the fuel bed on to which oil is sprayed, together with a superheater, a dust collecting chamber is arranged intermediate of the generator and the superheater. Secondary air is admitted during the " blow " to the top of the fuel bed 2 of a generator 1 through conduits 7, the blast products passing to a dust collector 20 which is surmounted by a superheater 12. This is followed by an uprun which is carburetted by oil from a sprayer 10, the resulting gases passing through the superheater before storage. A down-run may be made with steam admitted at 17. In a modification the dust collector comprises a separate chamber disposed between the generator and the superheater.
Patent GB-713459-A (GB)
Title: New complex cobalt compounds
IPC: C09B47/06
Filed: 1951-11-02
Abstract: 713,459. Phthalocyanine. intermediates. FARBENFABRIKEN BAYER. Nov. 2,1951 [Nov. 29, 1950], No. 25728/51. Addition to 687,655. Class 2(4) Cobalt phthalocyanine intermediates are made by carrying out the process of the parent case in presence of ammonium nitrate. In examples, (1) phthalic anhydride, urea, cobalt chloride, ammonium nitrate and ammonium molybdate are heated in nitrobenzene, and (2) phthalonitrile, cobalt chloride, ammonium nitrate, and urea are heated in nitrobenzene.
Patent GB-776723-A (GB)
Title: Improvements in or relating to coders for electric pulse code modulation systems
Inventor: DUKES JOHN MARCUS CUTHBERT
IPC: H03M1/00
Filed: 1955-09-08
Abstract: 776,723. Impedance networks. STANDARD TELEPHONES & CABLES, Ltd. Sept. 8, 1955, No. 25739/55. Class 40 (8). [Also in Group XL (c)] A network having a response which varies sinusoidally over a band of frequencies, and which forms part of a pulse code translation system (see Group XL (c)) consists either of two parallel signal paths of unequal lengths joined at either end by a hybrid network, or of a transmission line with a reflective termination and a tapping at a predetermined position along the line. In one embodiment, Fig. 10, the two lines 117, 118 are formed as conducting strips on a dielectric sheet which is backed by a metal ground plate, and the strips are joined by waveguide rings 115, 116, as disclosed in Specification 726,067. The output may be taken from either stub 9 with a matching impedance 120 connected to stub 7 or vice versa to give either an output E cos (#/2) or E sin (6/2) as the case may be, where # is the difference between the phase shifts in the two lines. In a second embodiment, Fig. 12 (not shown), the input waveguide ring is replaced by a three-decibel directional coupler as disclosed in Specification 708,600 and in this case the two outputs are E sin (#/4+#/2) and E cos (#/4+#/2). The use of two three-decibel directional couplers gives the same output characteristics as two waveguide rings. In a modification, Fig. 19 (not shown), the response curves of the filter are made more steep at the edges of the pass-bands by coupling the filter in parallel with one having one third of its period. In a third embodiment, Fig. 13, using a tapped transmission line, a lecher line 122, 123 is connected to the input 124 by a matching pad 125 and is tapped at 127, 128. It is stated that the line may be in the form of a coaxial line or waveguide or strip line. If the line is open-circuited then the output voltage is K cos 2#ft.cos 2#Lf/v where f is the input frequency, v is the velocity of propagation in the line and L is the distance of the tapping from the termination. For a short-circuited line the output is By terminating the line with an undisclosed network presenting a pure reactance equal to the characteristic impedance of the line, a sine form of response characteristic may be obtained instead of the cosine. In a modification, Fig. 14 (not shown), the sine form of characteristic is obtained from an open circuited or shortcircuited line with the addition of a phase shift-network. Specification 708,601 also is referred to.
Patent GB-158049-A (GB)
Title: Improvements in and connected with devices or apparatus for jacking up motor road vehicles
IPC: B66F3/00
Filed: 1919-10-22
Abstract: 158,049. Ford, A. Delo-, (formerly Ford, A. E.). Oct. 22, 1919. Stands or supports for vehicles; guarding against unauthorized use.-A tip-over jack for attachment to a motor vehicle axle &c. has a pivoted arm carrying a ground-engaging cam and locking-means for the arm and cam of the spring- catch type &c. which in turn may be locked to prevent unauthorized use of the vehicle. A bracket b is secured to the axle casing &c. and has pivoted to it an arm a carrying a groundengaging serrated cam g. As the car moves backwards, the arm becomes vertical and the car gains sufficient momentum while rolling over the concentric segment k, l of the cam to carry it over the eccentric segment l, m on to the flat n, Fig. 4. Securing-devices such as spring catches s. t for the arm and cam are provided to prevent the car from rebounding off the jack; these devices may be further secured by locks to prevent unauthorized use of the car. One or more jacks may be fitted to the car and the jacks may be fitted with sliding plate or tubular securing- devices. The cam may be provided with a fixed or detachable castor for manoeuvring or with a pivoted foot giving a broad ground-engaging surface. A deflated wheel may be fitted with a detachable block to facilitate the operation of the jack.
Patent GB-1501809-A (GB)
Title: Electrical discharge machining
IPC: G01B7/06
Filed: 1976-06-23
Abstract: 1501809 Electro erosion INOUE-JAPAX RESEARCH Inc 23 June 1976 [24 June 1975] 26016/76 Heading B3V To measure the thickness of a workpiece 7, on which electric discharge machining using a wire electrode 11 is being carried out, relative displacement between the workpiece and the electrode transverse to the electrode feed direction is halted to allow electric discharges between the electrode and the workpiece to diminish and substantially stop while electric pulses continue to be applied across the gap G so that the leakage current across the gap can be measured and the workpiece thickness derived therefrom. As shown, a workpiece support 8 is movable in X-X and Y-Y directions by drives 9 and 10 respectively and the electrode 1 passes through a guide chamber 12 in which a conductor 11 is mounted and to which machining liquid, e.g. distilled water, is fed. Displacement of the support 8 is controlled by a conventional copying device or numerical means. The power supply 14 to the conductor is connected to setting and switching units 15 and 16 respectively. A circuit 18 detects the presence or absence of discharges across the gap G registered by a resonance circuit 17 and controls commutator 19. The shunt circuit S of the power supply 14 connected to the gap includes a current sensor 20 for measuring a leakage current through the gap. When the drives 9 and 10 are stopped, the absence of a resonating voltage which eventually occurs is detected by circuit 18 which actuates the commutator 19 to isolate the main power circuit M from the gap G and connect the shunt circuit S to the gap to make the sensor 20 operative therein. The gap at which discharge is incapable of taking place is proportional to the applied voltage and since this voltage, the specific resistivity of the machining liquid and the diameter of the electrode can all be fixed, the thickness of the workpiece can be determined in proportion to the detected leakage and is indicated at the indicator 21 responsive to the sensor 20. The indicator 21 acts on the switching unit 16 so that optimum values of the pulse parameters for the detected thickness are automatically selected by the setting unit 15. A signal from the setting unit 15 to the commutator 19 then causes electrical discharge machining to be resumed. The speed of relative displacement between the workpiece and the electrode may also be controlled as a function of the workpiece thickness.
Patent GB-1316625-A (GB)
Title: Alpha-aminobenzyl penicillins
IPC: C07D499/00
Filed: 1970-06-05
Abstract: 1316625 Compositions containing ampicillin trihydrate E R SQUIBB & SONS INC 29 May 1970 [6 June 1969] 26124/70 Heading A5B [Also in Division C2] An antibacterial composition comprises sterile ampicillin trihydrate having a particle size in the range 5 to 50 microns, at least 50% of the particles of the ampicillin trihydrate having a particle size in the range 20 to 50 microns in admixture with a suspending agent e.g. sodium carboxymethylcellulose, and a dispersing agent e.g. lecithin, the composition being admixed with water before injection. Stable, long-acting injectable compositions comprise a suspension of the above ampicillin in water preferably containing an acidic buffer and having a pH from 4.0 to 7.0.
Patent GB-689804-A (GB)
Title: An improved method of winding electric motors for alternating current
IPC: H02K15/06
Filed: 1950-10-27
Abstract: 689,804. Conductors for dynamo electric machines. GILES, E. Oct. 5, 1951 [Oct. 27, 1950], No. 26196/50. Drawings to Specification. Class 35. Stator windings for electric motors are wound to produce a two-layer overhang by using a round former wound coil or coils in series for the number of poles per phase, and distorting them into an elongated shape for passage through two or more slots, the resulting overhangs being bent back against the core face.