baber/WOPTO huggingface dataset:
Patent GB-433188-A (GB)
Title: Improvements in or relating to friction clutches
IPC: F16D13/64
Filed: 1935-02-27
Abstract: 433,188. Friction clutches. BORG & BECK CO., Ltd., Brock House, Langham Street, London.-(Borg & Beck Co. ; 6558, South Menard Avenue, Chicago, U.S.A.) Feb. 27, 1935, No. 6318. [Class 80 (ii)] In a clutch disc, sections of friction facing are supported in different parallel planes, so that a two-stage engagement of the disc is obtained. In the form shown, the disc is divided into sectors by T-slots 6, and alternate sectors 7, 8 are bent or bowed in opposite directions from the plane of the disc. V-slots 9 are stamped in the sectors, to leave tongues 10, 11, which are bent out on the convex sides of the sectors. The facing comprises concentric rings 12, 14, 16, 18, the outer rings 12, 16 being riveted at 13, 17 to alternate sectors 7, 8 and the inner rings 14, 18 at 15, 19 to alternate tongues 11, 10.
Patent GB-888013-A (GB)
Title: A new or improved stationery container
Inventor: COWIE RICHARD CAMPBELL
IPC: A47B21/04
Filed: 1958-02-27
Abstract: 888,013. Stationery containers. COWIE, R. C. and BELL-BARN Ltd. Feb. 26, 1959 [Feb. 27, 1958], No. 6329/58. Class 146(3) [Also in Group XVII] A stationery container comprises a box and a plurality of stationery supports each comprising a partition 23, removably mounted in an inclined position in the box and having a plurality of holes 31 therein, and a plurality of stops adapted to be mounted in selected holes so as to assist in defining compartments of the required size to accommodate piles of stationery of different sizes with their upper edges adjacent the upper ends of the compartments. Selected holes 31 are engaged by cylindrical pegs 33 having an axially extended screw-threaded socket or spigot at one end engaged by a screw-threaded spigot or nut respectively, after the spigot has been passed through a hole in the plate. The pegs are employed to separate two laterally spaced piles of stationery supported by one of the partitions and to support the piles with their upper edges adjacent the top of the partition. A bar 29 at the lower edge of each partition provides a stationery supporting ledge 30 which is inclined at about 80 degrees to the upper face of the partition, so that the upper edge of a pile of stationery resting thereon is similarly inclined, to facilitate removal of items from the pile. The pegs may be provided with extensions 39, Fig. 5 (not shown). Alternatively, the stops are in the form of bars 42 shaped similarly to bars 29 and having cylindrical pins to engage the holes 31 in a push fit. The box may be closed by a lid comprising two parts each having a strip 20 at one end fitting within the box to prevent endwise and lateral movement of the parts when the box is closed, and a hooked part 19 at the other end whereby the parts may be suspended on the ends of the box as shown in Fig. 2.
Patent GB-895337-A (GB)
Title: Improvements relating to cathode heaters
Inventor: FARROW FREDERIC WILLIAM RODBAR
IPC: H01J9/08
Filed: 1961-02-21
Abstract: 895,337. Cathode heaters. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Feb. 21, 1961, No. 6349/61. Addition to 848,589. Class 39(3) [Also in Group XL(a)] A cathode heater, which is a modification of that described or claimed in the parent Specification comprises a linear wire heating element 1 embraced by a sleeve 2 of refractory insulating material having an external helical protuberance 3 extending along it.
Patent GB-748601-A (GB)
Title: Cycle direction indicating means
IPC: B62J6/00
Filed: 1953-03-09
Abstract: 748,601. Road-traffic signals for vehicles. BROOKES, B. T. March 9, 1954 [March 9, 1953], No. 6404/53. Class 118(2) A direction indicator for cycles (motor, motorized, pedal, &c.) comprises one or more "winking" indicator lamps on one or both sides of the cycle controlled by switch means mounted on the handle bars. The indicator lamps 1, 2 (Fig. 1), which are visible from both front and rear (and also to the rider), may be carried by the crash-bar 5 of a motor-cycle, or by leg shields or by retractable brackets secured to the cycle, protection against damage being afforded by suitable shields or by the crash-bar itself. In one embodiment push-button type switches 11, 12 associated respectively and connected in series with the lamps 1, 2 are carried by the handle bars 8 (being mounted on twist grips if such are employed on the cycle) and "winking" of the selected lamp is effected by repeated pressing of its associated switch (Fig. 2) or, in a second embodiment (Fig. 3) a single push-button switch 14 is selectively conditioned by means of a two-way switch 15 to connect a make/ break unit 16 in series with either lamp 1 or 2 so that "winking" occurs when the switch 14 is held closed. In both embodiments the indicator lamps are connected in series with rear lamp units 17, 18 so that "winking" of the rear lamps 17<SP>1</SP>, 18' either alone or with rear lamps 17<SP>2</SP>, 18' occurs when the press-button switches 11, 12 (or 14) are operated. Failure of a rear lamp is then indicated by non-illumination of one of the indicator lamps. Specification 636,025 [Group XI] is referred to.
Patent GB-549678-A (GB)
Title: Improvements in the treatment of materials consisting of or containing wool or other animal fibres to reduce their tendency to felt
IPC: D06M11/30
Filed: 1941-05-21
Abstract: 549,678. Treating textiles with liquids &c. ; bleaching and dyeing processes. BLEACHERS' ASSOCIATION, Ltd., PARKER, C. S., FARRINGTON, F., and STUBBS, A. E. May 21, 1941, No. 6492. [Class 15 (ii)] The shrinkability of fabrics containing animal hair fibres such as wool or mohair is reduced by a modification of the process of Specification 546,529, wherein a part of the alkali metal hydroxide is replaced by an alkali metal halite or hypohalite. A solution equivalent to at least 35 per cent. by weight of caustic soda or at least 50 per cent. of caustic potash is used. The solution may contain 10 or 30 per cent. by volume of 53‹ Tw. sodium hypochlorite solution, sufficient caustic soda being added to give a specific gravity of 85‹ Tw. The concentrations and temperatures are preferably so chosen that the time required for the treatment is about one hour. The treatment improves the whiteness and the affinity for acid dyestuffs. Hypobromite may be used instead of hypochlorite. Sodium chlorite may be used. The process may be carried out before dyeing or printing. The wool may be treated at any stage of the manufacture. It may be treated while still in the form of yarn or slubbing or in the form of knitted or woven fabrics.
Patent GB-1156743-A (GB)
Title: Improvements in or relating to Vapour Cooled Electronic Discharge Tube Arrangements.
Inventor: COLLIS ALEC PETER ORME
IPC: H01J17/28
Filed: 1966-02-15
Abstract: 1,156,743. Cooling discharge tubes. ENGLISH ELECTRIC VALVE CO. Ltd. 2 Dec., 1966 [15 Feb., 1966], No. 6595/66. Heading F4U. [Also in Division H1]  In a vapour cooled electric discharge tube in which a heated structural part 1 having  cooling channels 2 is, in use, immersed for most of its length in liquid in a boiler 7 so that liquid in the channels evaporates and is ejected from the channels and passes out through an exit pipe 9, a plurality of teeth or vanes 10 are mounted at an angle in the path of the ejected vapour and liquid between the ends of the cooling channels 2 and the exit pipe 9 such that a rotary or swirling motion is imparted to the ejected vapour and liquid causing most of the ejected liquid to be deflected away from the mouth of the exit pipe. The teeth or vanes 10 may be in the form of a swirl ring, Fig. 2 (not shown), and, as shown in Fig. 1, are attached to the discharge device near the end of anode 1, and a perforate open-ended cylinder 17 coaxially surrounding anode 1 traps liquid particles and facilitates their return to the reservoir, whose level is indicated at W. A gutter 14 having an open-ended perforate cylinder 12 which extends into the exit pipe may also be provided, with a pipe 15 to return collected fluid to the reservoir. Furthermore a number of swirl vanes 16 may be fitted under the top of the boiler to assist in providing the rotary motion of the liquid and vapour, which may be water and steam.
Patent GB-1286531-A (GB)
Title: Manufacture of a toothed belt
Inventor: ROBERTS ALBERT
IPC: H01H1/029
Filed: 1969-02-07
Abstract: 1286531 Moulding a toothed belt DUNLOP HOLDINGS Ltd 5 Feb 1970 [7 Feb 1969] 6661/69 Heading B5A In a method of producing a toothed belt a sheet of unvulcanized elastomeric material and a sheet of a stretchable fabric are passed through the nip of a pair of rollers, one of which has circumferentially extending grooves of the required belt tooth profile, the formed composite sheet, after being cut to appropriate widths, is applied to a cylindrical mould having a profile to receive the teeth of the sheet extending parallel to the mould axis, and at least one tensioned layer of wire or synthetic fibre is wound around the radially outer surface of the composite sheet which is then applied with a covering layer of elastomeric material before the assembly is moulded and vulcanized. The elastomeric material may be preformed by passage through a preforming nip before its passage through the nip with the fabric sheet the elastomeric material may be preformed to sheet form before being fed with the fabric sheet to the forming roller nip.
Patent GB-1420134-A (GB)
Title: Free piston internal combustion engines
IPC: F02B71/00
Filed: 1973-02-12
Abstract: 1420134 Liquid springs J H JARRET and J M B JARRET 12 Feb 1973 6741/73 Heading F2S [Also in Division F1] The free piston 3 partially defining a combustion chamber 4 of an I.C. engine is returned to a T.D.C. position from the B.D.C. position shown by expansion of the liquid in a chamber 9 defined between one end 8 of the cylinder 2 and a partition 7. A tubular partition extension 10 extends into a bore 11 in the piston 3 and a chamber 12 between the partition 7 and the piston 3 contains liquid at a pressure above atmospheric when the piston is at B.D.C. and below atmospheric at T.D.C. The chamber 12 communicates with a liquid reservoir through a duct 13 with a check valve 14 having a calibrated passage 15 and with the chamber 9 through a duct 17 containing non-return valves 16 and 18. In operation, at B.D.C. of the piston 3, the pressure in the chamber 9 may be 500 bars and the pressure in the chamber 12 may be 20 bars with the piston closing the duct 13. The duct 17 provides for the flow of make-up liquid to the chamber 9. The cylinder 2 may contain opposed pistons 3 and liquid from the chamber 9 may be fed to an hydraulic motor.
Patent GB-168008-A (GB)
Title: Improvements in and relating to condensers for refrigerating machines
IPC: F25B39/04
Filed: 1920-05-18
Abstract: 168,008. Fischbacher, P. May 18, 1920. Refrigerating, compression machines for; cooling water. - The condenser coil 44 is located within a cooling-tank 42 surrounding the compressor cylinder or cylinders A, the wall of the tank being of thin metal deeply corrugated to increase the cooling surface. Open-ended tubes 43 pass through the tank and may serve to space the convolutions of the condenser coil, and a current of air is directed on to the wall of the tank and through these tubes by a fan 45 driven from the shaft of the electric motor H driving the compressor. Water to make up losses due to evaporation is suplied to the tank by a pipe 66. A separator C is also arranged within the tank, and the condenser coil discharges into a receiver E. The compressor crank-shaft is driven by worm gearing from the motor shaft. Specifications 167,858 and 168,007 are referred to.
Patent GB-476915-A (GB)
Title: Improvements in methods of screening thermionic amplifiers
IPC: H05K9/00
Filed: 1937-03-09
Abstract: 476,915. Preventing inductive disturbance. SIEMENS & HALSKE AKT.- GES. March 9, 1937, Nos. 6905 and 6906. Convention dates, March 9, 1936 and Dec. 14, 1936. [Class 40 (iv)] (Also in Group XL] A thermionic amplifier of the kind having constant gain over a very wide frequency range comprises two screens, of which the inner surrounds the signal path through the amplifier and the outer surrounds the inner, the inner screen being connected by a low-impedance path to one point on the signal path. The invention relates particularly to amplifiers connected with a cable such as shown, in which the inner conductor 1 has an outer concentric return conductor 2 surrounded by a concentric sheath 3. The inner screen 4 of the amplifier is connected to the outer conductors 2 at 5 and to the cathode of the amplifier 7, and may include screening partitions 6 between amplifier stages. The screen 4 is connected also by conductors L1, L2 to the outer screen 10 which is connected at 11 to the sheath 3. Except for these earthing connections L1, L2 (which prevent feedback in the amplifier as explained in Fig. 3 (not shown)), the screens 4 and 10 are carefully insulated. The supply batteries 15 are housed either between the screens 4 and 10 or outside 10 as shown, high-frequency interference being prevented by filters 12, 16, 13, 14. The inner screen 4 may have a copper rail extending through it and connected to the outer conductors 2. The invention may also be applied to transmission systems having symmetrical two-wire lines ; the connection between the inner screen 4 and conductors 2 may then be dispensed with, and only a single connection between inner and outer shields is then required, Fig. 2 (not shown). If the cable comprises several coaxial two-conductor lines, each with its own amplifier, a common outer shield is provided and connected to the cable sheath. Reference has been directed by the Comptroller to Specification 450,280, [Group XL].
Patent GB-1026928-A (GB)
Title: Benzamidine-sulphonamide compounds
IPC: A61K31/18
Filed: 1964-02-19
Abstract: The invention comprises benzamidines of the formula <FORM:1026928/C2/1> and non-toxic salts thereof, wherein R is a hydrogen or halogen atom or a C1- 6 alkoxy group and their preparation by reacting an N-n-butyl-benzimino-chloride optionally bearing a p-halo- or p-alkoxy-substituent with 3-chloro-4-sulphamoyl aniline, preferably in the presence of a tertiary amine, e.g. triethylamine in a solvent such as ethyl acetate.  The N-n-butyl-benzimino-chloride derivative is suitably prepared by reacting the corresponding benzoyl chloride with n-butylamine and treating the resulting benzoyl-n-butylamine with thionyl chloride. 3-Chloro-4-sulphamoyl aniline is made by treating monochloro-acetanilide with sulphuryl chloride, reacting the resulting 1-acetamido-benzene-3-chloro-4-sulphonyl chloride with ammonia to give 3-chloro-4-sulphamoyl-acetanilide and hydrolysing with aqueous HCl.  Pharmaceutical preparations for the treatment of complaints associated with calcium metabolism, e.g. calcium diabetes, comprise the above compounds of the invention, including the salts with inorganic or organic acids, e.g. HCl, HBr, H2SO4, citric or acetic acid, and a carrier or excipient.  The preparations suitably take the form of ampoules or vials containing solutions or suspensions for injection, tablets, capsules or suppositories.
Patent GB-340865-A (GB)
Title: Insulators for sparking plugs
IPC: H01T13/38
Filed: 1930-03-03
Abstract: 340,865. Sparking-plugs. I. G. FARBENINDUSTRIE AKT.-GES., Frankforton-Main, Germany. March 3, 1930, No. 6994. Convention date, March 1, 1929. [Class 7 (iv).] Insulation consists of a composition containing 60-85 per cent corundum, about 10 per cent cf quartz and the remainder of clay. The surface is polished mechanically, and may be coated with crystalline corundum by covering with borax or other solvent and vaporizing the latter. The borax may be mixed with alumina.
Patent GB-850034-A (GB)
Title: Improvements in or relating to cleaning machines
IPC: A22C17/16
Filed: 1958-03-05
Abstract: 850,034. Cleaning machines for tripe &c. HEGINBOTTOM, C. March 5, 1959 [March 5, 1958], No. 7006/58. Class 28(2). Tripe &c. is cleaned and washed in a' fixed tub 10 having a perforated rotated false bottom 12 carrying small ribs 15 which fling the tripe against fixed radial scraper vanes 13, water being supplied at 17, and sludge and water being drained from the conical base at an outlet 26. A side door in the tub allows removal of the tripe. The drive shaft 18 is surrounded by a fixed sleeve carrying deflector plates to deflect the tripe on to the scrapers 13. Another form, (Fig. 3 not shown) is supplied with water and steam to scald the tripe and with a different arrangement of cleaning vanes &c.
Patent GB-802313-A (GB)
Title: Improvements in or relating to toothed conveyors for cinematographic film and the like
IPC: G03B1/42
Filed: 1957-03-04
Abstract: 802,313. Motion picture film conveyer belt. TECHNICOLOR CORPORATION. March 4, 1957 [March 27, 1956], No. 7114/57. Class 98(2) Particularly for holding two perforated films in register while they travel along together as in an imibition machine or contact printer, the conveyer is characterized by having register teeth or pins inserted from the back into perforations in a ribbon as of metal, the teeth having heads seated on the back of the ribbon, and being held there by a layer of flexible material as of rubber adhering to the back of the ribbon and to the heads. Preferably these heads are embedded in the layer so that uniform thickness apart from the teeth is provided. In Figs. 3 films F<SP>1</SP> F<SP>2</SP> are shown over the conveyer which has teeth 5 projecting from ribbon 8 and held in place by layer 11; and 18, 19 are pressure rolls to facilitate dye transfer, the former having recesses 21 to receive the tips of the teeth. Figs. 1, 2 not shown illustrate a molding machine for effecting the above adherence as with use of phenol-formaldehyde adhesive.
Patent GB-286653-A (GB)
Title: Improved electric motor for the separate drive of looms for weaving and other like machines
IPC: D03D51/00
Filed: 1928-03-07
Abstract: 286,653. Martin, A. March 7, 1927, [Convention date]. Driving arrangements.-In the driving of looms and like machines from separate electric motors, the motor stator a is rotatable about an axis and carries a jockey pulley b adapted to engage the tight side of the belt c. The stator is acted upon by a coil spring d or by a weighted lever to turn in a direction to move the pulley b into engagement with the belt. When the motor is started, the reaction between rotor and stator causes the pulley b to press against and tension the belt. When the loom stops suddenly, the increased tension in the belt causes the stator to be turned in a clockwise direction in Fig. 1, thereby allowing the belt to slip on the pulley i until the motor is stopped.
Patent GB-412352-A (GB)
Title: Improvements in or relating to means for mounting photographs and the like
IPC: B42F5/06
Filed: 1933-03-09
Abstract: 412,352. Photograph &c. mounts. ELLENS, W. E., Tresco Brow, Chesham Road, Berkhamsted, and DICKINSON & CO., Ltd., J., Apsley Mills, Hemel Hempstead, both in Hertfordshire. March 9, 1933, No. 7153. [Class 11.] Corner-mounts for photographs &c. are manufactured in sheets gummed on one side and punched by notched cutters to a design comprising a plurality of mounts attached to one another by fragments of fibre a. The mounts may be embossed, printed, or otherwise decorated, and may be of triangular or any other shape, or slotted. The sheets are bound in book form with outer covers of stiff paper or card.
Patent GB-137956-A (GB)
Title: An improved folding rocking cot
IPC: A47D9/02
Filed: 1919-03-22
Abstract: 137,956. Mayo, W. M. March 22, 1919. Cradles and bassinets.-A folding rocking-cot comprises a frame b carrying the cradle proper a and pivoted to struts c, which are connected by links c<4> to standards c<1>. The rocking motion of the cot may be limited by stops or buffers c<6>, which also act as silencers, and the frame b may be held in the positions shown in Figs. 1 and 2 by screws c<10>, c<11>. The cradle may be attached to the side bars b<1> by rods a<4> engaging loops a<2>, a<3>.
Patent GB-739661-A (GB)
Title: Improvements in or relating to foot treadles for sewing or other pedal operated machines
IPC: D05B75/06
Filed: 1954-03-12
Abstract: 739,661. Electrically heated foot-warmers. PFAFF AKT.-GES., G. M. March 12, 1954 [March 18, 1953], No. 7182/54. Class 39 (3). A foot-warmer for a pivoted treadle of a pedal-operated machine, e.g. a sewing machine, comprises heating resistance wires 18 laid in grooves 7 in the body of the treadle 3 below a cover 8. The treadle carries a connecting rod 6 and is pivoted between end brackets 2 on a board 1 to which a supply cable is clamped at 10. The cable enters the treadle through a bushing on its underside and is secured therein by a clamp 13. In a modification, the treadle is of open lattice construction and an electric heater comprising resistance wires in grooves within a casing is supported against the underside of the treadle by lugs with inturned edges engaging opposite sides of the treadle, the lugs being attached by helical springs to the sides of the heater casing. A manual or foot-operated switch is provided.
Patent GB-554779-A (GB)
Title: Improvements in or relating to damping apparatus for electrical measuring instruments
IPC: G01R11/10
Filed: 1942-05-28
Abstract: 554,779. Magnets. SANGAMO WESTON, Ltd. (Weston Electrical Instrument Corporation). May 28, 1942, No. 7224. [Class 35] [Also in Groups XXXVI and XIX] The pointer 3 of an A.C. measuring instrument is damped by the movement of a light aluminium vane A in the air gap between bar-shaped permanent magnets 5, 6, suitably of "alnico," secured at one end within cup-shaped magnetic shields 7, 8 secured together by brackets 9 and spaced by shims 11. If the brackets are magnetic they provide a return flux-path, otherwise in cases where leakage may not be undesirable, the shields provide the return path. A soft-iron plate may replace the lower members 6, 8. The shells 13, 14 may have contacting arcuate extensions welded at 15 into a rigid whole, Fig. 5, but a soft-iron tube with transverse slot may provide an integral pair of shields, the ends being plugged by soft-iron caps carrying the magnets, Fig. 6 (not shown). Fig. 7 shows two magnets co-operating with a vane 24 of small angular extent providing damping over a full 20 degrees scale 23. The pairs of magnets may each be secured with opposite polanty within a single shell, Fig. 11 (not shown). In Fig. 12, a pair of vanes 4a, 4b, are located between end magnets and an intermediate coaxial magnet 6a in a shell 8a.
Patent GB-153829-A (GB)
Title: Improved machine for cleaning builders' planks from cement
IPC: E04G19/00
Filed: 1920-03-11
Abstract: 153,829. Sauset, P. March 11, 1920. Casting and moulding in situ.-A machine for cleaning builders' planks from cement comprises a pair of ridged rollers h, i, pairs of smooth guide rollers m, a pair of vertical ridged rollers o yieldingly mounted on springs p, and a rotary brush-roller q. A circular saw may be provided on the end of the roller q. The upper rollers i and m are adjustable and are yieldingly mounted The machine is operated by a hand-wheel and spur gearing, and the rotary brush is driven by a band S in the opposite direction to the advance of the planks. A second rotary brush may be mounted above the planks.