baber/WOPTO huggingface dataset:
Patent GB-633820-A (GB)
Title: Improvements relating to bicycles
IPC: B62J6/00
Filed: 1944-09-15
Abstract: 633,820. Supply systems depending on variable-speed generators. RALEIGH CYCLE CO., Ltd., and BROWN, W. Sept. 15, 1944, No. 17662. [Class 38 (iv)] [Also in Groups XXXI and XXXVIII] In cycle lighting equipment comprising an alternator adapted to be mounted on the bicycle and driven by rotation of one of the bicycle wheels, a full wave rectifier assembly in permanent bridge connection with the generator and an accumulator permanently connected to the positive and negative terminals of the rectifier assembly and one or more lamps having control switches, the accumulator rectifier unit is mounted in a casing i provided in addition to an earth connector B with three terminals A, C, D, insulated from the casing, two of the terminals C; D for connecting to the alternator a in a bridge connection within the casing across the rectifier, the terminal A for connecting to the live lead of the lamp circuit so that the lamp circuit is connected 'within the casing to one output connection A of the rectifier and one pole of the accumulator c, the other output connector B of the rectifier and the other pole of the accumulator being connected to each other and to the earth for completing the circuit of the lighting equipment. The generator is built into the wheel hub and constructed in accordance with Specifications 468,065, 524,081, [Group XXXIV], and 593,189. The accumulator-rectifier casing i is cylindrical and has a detachable cover m so that the accumulator units k which it holds in series may be removed. The rectifier unit, also detachable, is at one end and has a contact engaged by the adjacent terminal of one of the accumulator units.
Patent GB-386230-A (GB)
Title: Improvements relating to photographic films wound on spools
IPC: G03C3/00
Filed: 1932-06-22
Abstract: 386,230. Photographic films. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. June 22, 1932, No. 17665. Convention date, June 22, 1931. Addition to 371,706. [Class 98 (i).] To avoid fogging of the film during insertion or withdrawal from the camera, the casing of the parent Specification is provided with a film roll having a support which is dyed on the reverse side with a non-actinic dyestuff or a dyed layer, capable of decolourization in the photographic treating liquids, is applied between the emulsion layer and the support or on the reverse side of the support. The colour may be applied only to the ends of the film, i.e. a solution of a dyestuff in a non-volatile solvent, as described in Specification 287,124, [Class 98 (ii), Photographic processes &c.], is applied to that part of the film exposed to light during insertion and withdrawal of the film roll.
Patent GB-264734-A (GB)
Title: Improvements in domestic and like boilers
IPC: A47J27/00
Filed: 1926-07-14
Abstract: 264,734. Johnston, P. July 14, 1926. Block-form boilers. - A hot-water boiler forming the back and sides of an open grate is provided with a bulged front 5 extending between side wings 4 and an integral flue passage 6 which may pass upwardly as shown or straight through to the back of the boiler. The rear of the boiler may be similarly bulged.
Patent GB-855881-A (GB)
Title: N- trihydrocarbon borazanes and a process for the production thereof
IPC: C07F5/00
Filed: 1957-06-04
Abstract: The invention comprises N-trihydrocarbon borazanes in which at least one of the hydrocarbon radicals contains two or more carbon atoms, e.g. triethyl borazane, N,N-dimethyl-N-cyclohexyl borazane and N,N-dimethyl-N-phenyl borazane.  N-trihydrocarbon borazanes generally may be prepared by heating a boron compound R3B, in which R represents a hydrocarbon radical, with hydrogen under pressure at a temperature of more than 120 DEG C. in the presence of a tertiary amine of the general formula NR1R11R111, in which R1, R11 and R111 represent hydrocarbon radicals, e.g. aliphatic, hydroaromatic or aromatic hydrocarbon radicals.  The process may be effected without solvents or with an inert solvent, for example, a saturated aliphatic or aromatic hydrocarbon, an ether or a boric acid ester.  It is desirable to work at a pressure of more than 10 atm.  An inert atmosphere, e.g. nitrogen, may be p  used.  In addition to the novel products specified, examples describe the preparation of N-trimethyl borazane, N,N-diethyl-N-n-butyl borazane, and N-tri-n-butyl borazane. Specification 854,919 is referred to.
Patent GB-145596-A (GB)
Title: Improvements in and relating to shock absorbing mechanism
IPC: B61G9/10
Filed: 1920-06-29
Abstract: 145,596. National Malleable Castings Co., (Assignees of Schmidt, E. H.). May 17, 1916, [Convention date]. Combined buffer and draw-gear. - In shockabsorbing mechanism of the type in which a wedge member engages the non-friction faces of friction members adapted to co-operate with a friction element, a soft-metal member is interposed between the wedge member and the non-friction face of the friction members to prevent the wedge and friction members from sticking together. Fig. 1 shows the application of the invention to shock-absorbing mechanism of the type described in Specification 145,594. Soft metal members or pads 5, which may be of brass, aluminium or similar non-corrodible metal, are inserted in recesses 6 in wedges 4 and a follower 7 and bear on friction shoes 3 co-operating with an included friction element 2. The pad 5 may be cup-shaped and flattened out under pressure to expand in the recess and interlock, or it may have a flange, which on pressure dovetails on the undercut portion of the recess. The pads may be formed, as shown in Fig. 7, with stems 10, which are riveted over. The bearing-surface of the pad is of smaller area than that of the co-operating surface of the shoe, thereby avoiding any tendency of the harder material to cut into the softer.
Patent GB-122400-A (GB)
Title: Improvements in or relating to Valves or Cocks.
IPC: F01P11/02
Filed: 1918-10-30
Abstract: 122,400. Soc. Anon. des Appareils J. E. Malivert. Jan. 12,1918, [Convention date]. Void [Published under Sect. 91 of the Act]. Valves actuated indirectly.-A valve device particularly applicable for use in filling and emptying the radiators of aircraft, automobiles, and the like is actuated by the act of coupling a hose pipe to the valve casing. The valve casing a. is screwed-threaded at a<1> for attachment to the radiator and at a<2> to receive a safety cap, and internally carries a seat for a valve e guided by upstanding wings j. The valve may be guided by depending wings or by a spindle. A resilient stop ring is inserted at k or a cross pin may be employed. The coupling comprises a tubular member h having rings o to which the hose pipe p is attached and having a flange n supporting a washer s adapted to be pressed against the bottom of the valve casing by ;a bayonet coupling member q engaging projections m which may have inclined upper surfaces. The upper part of the member h carries a bridge y adapted to engage a depending stem l on the valve member to open the valve.
Patent GB-292520-A (GB)
Title: A centrifugal drum
IPC: B04B3/00
Filed: 1928-06-20
Abstract: 292,520. Schuurman, J. June 20 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Strainer separators.-The drum of a centrifugal machine for extracting liquid from chemical salts, sugar, or the like has a number of scoop-shaped curved plates a on its outer wall. They are secured to the wall at their ends, and are secured intermediately to the strengthening rings c. The holes g in the drum wall for the passage of liquid are bored obliquely as shown in Fig. 2. The low pressure, which exists during rotation in the spaces b between the drum wall and the plates a., assists the passage of the liquid. The diameters of the holes g may increase from above downwards in the drum, or the number of holes may increase regularly from above downwards.
Patent GB-769882-A (GB)
Title: Improvements in or relating to current collecting means for dynamo-electric machines
IPC: H02K13/00
Filed: 1955-06-21
Abstract: 769,882. Collectors for dynamo-electric machines. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. June 21, 1955 [June 30, 1954; June 30, 1954], No. 17896/55. Drawings to Specification. Class 35. Brush erosion at high altitudes is reduced by making the slip-rings or commutator of a dynamo-electric machine of copper alloyed with at least 15 per cent nickel. For very high altitudes the nickel content may be raised to 56-60 per cent. In addition, the brushes may be lightly impregnated with 1-3 per cent by weight of barium fluoride, the normal practice with plain copper collectors being to use 6-8 per cent. Specification 601,378 is referred to.
Patent GB-1388625-A (GB)
Title: Coupling circuit arrangements for inverters
IPC: H02H9/00
Filed: 1972-04-18
Abstract: 1388625 Coupling loads to inverters SIEMENS AG 18 April 1972 [20 April 1971] 17907/72 Heading H2F In a circuit coupling an inverter (connected to RST) to a load (R<SP>1</SP>5<SP>1</SP>T<SP>1</SP>), commutation failure of the inverter due to the effect of transformers in the load is avoided by including at least one resistor 1, 2, 3, in series with the load, which resistor is short-circuited after the expiration of a predetermined delay following the start of the load current, said delay being substantially independent of the magnitude of the load current. The invention is applicable to supply of power to computer peripheral devices such as printers, punch card readers, disc, drum or tape units or to transformer-coupled rectifiers. When the load is connected to R<SP>1</SP>5<SP>1</SP>T<SP>1</SP>, surge current due to the effect of transformers in the load on unfavourable connection instants are minimized by resistors 1, 2, 3. The onset of load current is coupled via transformer 10 and a rectifying diode to turn on thyristor 11 so that capacitor 12 is charged via resistor 13. After a predetermined period, relay 8 becomes energized, energizing contactor 7, contacts 4, 5, 6 of which short circuit resistors 1, 2, 3. Thyristor 11 may alternatively be turned on in response to zero crossings of the load current.
Patent GB-1182245-A (GB)
Title: The Excitation of D.C. Generators.
Inventor: RICHARDSON PHILLIP
IPC: H02P9/10
Filed: 1966-04-25
Abstract: 1,182,245. Automatic control of power. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. July 21, 1967 [April 25, 1966], No.18025/66. Heading G3R. The output power of a D.C. generator 1 having a shunt field winding 2 is maintained constant by varying the ratio of non-conductive to conductive periods of a thyristor 10, connected across a resistor 4 in series with the field winding 2, in dependence upon output power variations as detected by a Hall-effect device 5 which has one input, proportional to load current, derived from a coil 6 and another input, proportional to output voltage, derived from a resistor 7 and diode 8. The output from the Hall device 5 is thus representative of the output power of the generator and is applied to control firing pulses produced by a pulse generator 9 Fig. 3 (not shown); the thyristor 10 is associated with a commutating circuit including a second thyristor 11, a capacitor C, a resistor R, an inductor L and a diode D, and the firing pulses from the pulse generator 9 are applied to the gates of thyristors 10, 11 which are thus controlled in dependence upon output power variations so that the resistor 4 is cut into and out of the field circuit in such a manner that the average field current is varied in a sense to maintain the output power constant. To improve the operating characteristics of the generator on low load, part of the excitation current may be derived from a battery 12 which is connected through a diode 13 across part of the field winding 2.
Patent GB-1312660-A (GB)
Title: Electro-chemical electric energy sources
IPC: H01M4/86
Filed: 1970-07-23
Abstract: 1312660 Electrodes; fuel cells BRUNSWICK CORP 23 July 1970 [24 July 1969] 18025/71 Divided out of 1312658 Heading H1B The description is the same as that of Specification 1,312,658, but the claims are directed to an electrochemical energy source.
Patent GB-1375118-A (GB)
IPC: B01J13/12
Filed: 1972-04-19
Abstract: 1375118 Microcapsules BADISCHE ANILIN- & SODA-FABRIK AG 19 April 1972 [23 April 1971] 18074/72 Heading B8C Microcapsules having walls composed of an optionally cross-linked copolymer of: (a) 3-80% by weight of a monomer selected from: vinyl pyrrolidone, acrylamide, acrylic acid, methacrylic acid and 2-sulphoethyl methacrylate; (b) 97-20% of methyl methacrylate; and (c) one or more acetyl acetates of half esters of aliphatic diols containing 2-8 C atoms with olefinically unsaturated C 3-5  carboxylic acids (this component being present as polymerized units in an amount not exceeding 70% by weight) are made by dispersing a mixture of the core material, the polymeric wall-forming material, a volatile, water-immiscible organic solvent therefor, and a water-miscible organic solvent (the solvents having boiling points below 100‹ C.) in an aqueous carrier liquid and the wall-forming material is separated from the dispersed phase at the interface by evaporation of the water-immiscible organic solvent. The capsule walls may be subsequently subjected to chemical curing after removal of the waterimmiscible solvent. The core material may be an oil (animal, vegetable or synthetic) in which may be dissolved or dispersed substances such as polymers, adhesives, dyes, perfumes, inks, fuels, initiators or plasticizers.
Patent GB-588301-A (GB)
Title: Improvements in, or relating to, blinds for vehicle windows
IPC: B60J1/20
Filed: 1944-09-23
Abstract: 588,301. Window blinds. ACCORDO BLINDS, Ltd., and HINCHLIFFE, E. D. Sept. 23, 1944, No. 18211. [Class 20 (iii)] A blind more particularly for the rear windows of saloon type vehicles comprises a pleated sheet 6 of fabric, a pair of guide rods 3 extending through apertures at the side edges of the sheet, and a weight bar 7 anchored to one transverse edge and coupled to an operating cord &c. 8 whereby it may be raised by the driver, and on release of the cord caused to collapse into its folded position by the weight of the bar 7. Reference has been directed by the Comptroller to Specifteation 8564/15, [Class 52 (v)].
Patent GB-1065023-A (GB)
Title: Improvements in or relating to the closure of envelopes of high alumina content material
Inventor: RIGDEN SYDNEY ALFRED RICHARD
IPC: H01J5/20
Filed: 1963-05-08
Abstract: 1,065,023. Ceramic-metal seals. GENERAL ELECTRIC CO. Ltd. March 6, 1964 [May 8, 1963], No. 18215/63. Heading B3V. [Also in Division H1] A device comprising an envelope of high alumina content material has an aperture therein closed by means of a closure cap of niobium or a refractory alloy thereof, there being a sealing layer consisting of one or more of the metals titanium, zirconium, vanadium, hafnium interposed between the envelope surface and the closure member, the assembly having been heated under pressure in an inert atmosphere or vacuum to a temperature sufficiently high to melt the sealing layer so that it alloys with the metal closure member to bond it to the envelope. The envelope is preferably in the form of a tube 1 which is closed at both ends by niobium caps 2, 3 (although tungsten, tantalum, rhenium and molybdenum alloyed to the niobium may be used), a sealing layer in the form of multiple discs 19, 19<SP>1</SP>, 20, 20<SP>1</SP>, 21, 211 being positioned between each cap and the tube. More than one disc is preferably used so as to form a low melting alloy. In the example the layer is made up of three discs viz. zirconium 19, 19<SP>1</SP>, vanadium 20, 20<SP>1</SP> and titanium 21, 21<SP>1</SP> all being 1¢ to 2 thousandths of an inch thick. The closure caps may also be apertured and carry further members such as electrodes 4, 10 sealed therein. After the sealing operation at a temperature of 1350‹ to 1400‹ C. in a vacuum (an atmosphere of argon may be used instead) the closed sealed envelope is evacuated or filled at low pressure with sodium and a rare gas.
Patent GB-230000-A (GB)
Title: Improvements in spring suspensions for vehicles
IPC: B60G11/02
Filed: 1924-07-30
Abstract: 230,000. Herweyer, I. C. W. Feb. 19, 1924, [Convention date]. Laminar springs. - In a vehicle suspension comprising a laminar spring adapted to make progressive contact some of the shorter laminae of an ordinary spring 3 are removed and replaced by the support 4, the strength of the spring being such that under maximum load corresponding parts of the support and shortest lamina do not make complete contact at their ends. The support may be rigid or comprise resilient plates less sensitive than the spring, and its surface may be provided with longitudinal or other grooves. The spring may be secured to the vehicle frame which in this case constitutes the support. The Specification as open to inspection under Sect. 91 (3) (a), describes also the shortest lamina of the spring, under minimum load, as' being still in contact with the support outside the fixing. This subject-matter does not appear in the Specification as accepted.
Patent GB-1433967-A (GB)
Title: Tuta metallurgicheskogo mashinostroenia removal of excess metal from a surface of an elongate metal  article
IPC: B23D1/00
Filed: 1974-04-25
Abstract: 1433967 Special processes-planing, turning and milling FILIAL VSES NI I PROEKTNOKONSTRUKT INST METALL MASHINOSTR 25 April 1974 18235/74 Headings B3K B3L and B3T In a method of removing production caused excess metal from an elongate metal article 3, the article is passed through a ring-shaped cutting tool 1 with a circular internal cutting edge 2 the cutting tool being pivoted diametrically so that its central axis is inclined to the longitudinal axis of the workpiece. The article 3 i.e. workpiece, is displaced longitudinally with the surface portion thereof to be machined urged into contact with the circular cutting edge the interaction causing the cutting tool to rotate to present a continously different portion of the circular cutting edge to the workpiece to remove the excess metal. The ring shaped cutting tool 1 is secured to a rotary table 10 carried in a housing 9 with trunnions 8 which permit its tilting to incline the axis of the cutting tool relative to the longitudinal axis of the workpiece. The trunnions are mounted in independent support frames 5 and means is provided to adjust and indicate the angle of inclination. The rotary table is tranversely and axially located and stabilized by rollers 13 and 12 respectively and a roller assembly 14, 15 is urged by hydraulic means 17 into contact with the side of the workpiece article to facilitate the cutting action between a workpiece surface and the cutting edge. The longitudinal movement of the workpiece through the ring shaped cutting tool is effected by drive rollers 28, 27 situated on each side of the cutting tool assembly 1, 9, 10, the respective roller assemblies being driven from motors 30 by way of reduction gearing 31. In an embodiment shown in Fig. 5 the cutting tool 1 and table 10 are freely mounted and the rotation of the tool is effected solely by the interaction between the longitudinally moving workpiece and the cutting edge of the tool. In an alternative embodiment the rotary table is provided with an independent drive, Fig. 7 (not shown). A plurality of cutting tools may be positioned in a machining installation for machining required surfaces of the elongate workpiece in succession, Fig. 9 (not shown).
Patent GB-953341-A (GB)
Title: A combined card index system and map
IPC: G09B29/06
Filed: 1960-05-25
Abstract: 953,341. Card indexes. R. C. MORGAN. April 20, 1961 [May 25, 1960], No. 18375/60. Heading B6E. [Also in Division G5] An index drum 12 adapted to receive index cards 32 is interconnected to a rotatable drum 14 carrying a map 36 by sprocket wheels 16, 18 and 20, so that as the map is drawn off the drum 14 and different parts thereof become visible through the open top of the container 10, the drum 12 is rotated a corresponding amount so as to bring the index cards relating to the visible parts of the map to the uppermost position. The map is drawn off the drum by means of rollers 38 rotated by a handle 40. The drum 14 is spring loaded to return the map to its original position when the rollers 38 are released or reversed. Ratchet means may be provided on the rollers 38 to maintain the map in its drawn out position when the rollers 38 are released. The drum 12 is divided into annular spaces by circular partitions, each space being subdivided by rigid partitions 32 and containing groups of index cards. Rods 42 are provided on one wall of the container to extend over the visible part of the map and divide it into strips equal in number to the groups of cards on the drum 12.
Patent GB-415874-A (GB)
Title: Improvements in moulding articles of hydraulic cement
IPC: B28B7/00
Filed: 1933-06-28
Abstract: To impart a glossy enamel-like surface to concrete or cement blocks, moulds, made of wood, metal or other rigid material, are lined by painting, dipping, or spraying with hot bituminous material which is substantially non-adherent with respect to concrete or cement.
Patent GB-974585-A (GB)
Title: Improvements in and relating to containers or holders housing tetrahedral packages
IPC: B65D75/50
Filed: 1963-05-09
Abstract: 974,585. Packaging tetrahedral packages. P. WASYLUKA. May 9, 1963 [May 18, 1962], No. 18444/63. Heading B8C. Tetrahedral packages are arranged in layers in cuboidal containers, each layer comprising two opposed pairs of packages, each pair having its sealing fins at one end lying close together in and along a corner, the arrangement of each layer being at 90 degrees horizontally relative to those above and below. Specification 699,128 is referred to.
Patent GB-498386-A (GB)
Title: Improvements relating to concrete slabs and to their manufacture
IPC: E04B2/02
Filed: 1937-07-02
Abstract: 498,386. Moulding concrete slabs. STENT PRECAST CONCRETE, Ltd., and STENT, D. H. July 2, 1937, Nos. 18490 and 18491. [Class 87 (ii)] [Also in Group X] A composite concrete slab 1 comprises an impervious facing layer 2 made by pressing the concrete while still green and a backing layer 3 which may consist of porous concrete and is preferably also pressed, some bars 4 of an embedded reinforcement 5 protruding from the back of the slab. The bars 4 are preferably springy so that on the removal of pressure they spring up out of the concrete. The slab may form part of a hollow or solid building block. In making the hollow block shown in Fig. 3, slabs 1, 6 are positioned in a mould and, with the aid of shuttering, connecting diaphragms 7 are cast to enclose the protruding bars 4. Ribs 8 may be provided on the rear slab 6 which may be made by any known means. The diaphragms need not extend the full height of the slabs and horizontal concrete beams may be cast in a wall by small slabs supported on these diaphragms. The face of the slab 1 may represent brickwork, stonework, &c.
Patent GB-810258-A (GB)
Title: Improvements in or relating to children's cots
IPC: A47D7/01
Filed: 1957-06-12
Abstract: 810,258. Beds. LAZARUS, R. R. June 12, 1957, No. 18522/57. Class 52(2) A child's cot is provided with a partition 6 arranged so that the effective length of the cot may be varied. The partition is secured to the side rails 5 of the cot by e.g. clips 7 which may slide in channels 10.
Patent GB-1468651-A (GB)
Title: Open end spinning unit with fibre guide disc
IPC: D01H4/32
Filed: 1975-05-02
Abstract: 1468651 Open end spinning FRIED KRUPP GmbH 2 May 1975 [3 May 1974] 18558/75 Headings DID and D1N A fibre guide disc 7 in an open end spinning unit is mounted coaxially with the rotor 1 and rotatable independently thereof, and is indirectly driven by the spinning rotor 1 or an opening roller 2. The drive may be transmitted via blades on the fibre guide disc 7 or the rotor 1, or the drive may be via magnets mounted on the guide disc 7, motor 1 or an opening roller which is coaxial with the guide disc. The magnet(s) may be an annular multipole magnet or an electromagnet. The opening roller 2 may be tapered and may be driven directly or by the fibre guide disc. The position of the magnets may be variable or the current of the electromagnet may be variable.