baber/WOPTO huggingface dataset:
Patent GB-672587-A (GB)
Title: Improvements in or relating to electrical heating devices
IPC: F24H3/00
Filed: 1950-09-12
Abstract: 672,587. Electric air heaters. HILLS, W. D. Sept. 12, 1950, No. 22433/50. Class 39(iii) A convection air heater comprises a casing through which air rises over thin resistance wires 1 arranged in zigzags in vertical planes, the end loops being individually held by adjustable spring tensioning devices between vertical insulating supports 3, which carry terminal pins 7, connecting the ends of the wires through switches 2 to supply cables 18. The loops of the wire 1 are held in the eyes 9 of split pins 10, the arms of which pass through apertures 11 in the end supports 3 into cavities 12. The arms of the pins carry insulating washers 15 with frictional buttons 16 for adjusting their position. Helical springs 13 are held between the washers 15 and insulating washers in the base of the cavities 12. The supports 3 are spaced apart by horizontal struts 4 in the casing 19, into which air enters over a base plate 28, passes through a moistened glass wool filter 27, and rises to an outlet at the top, which carries a cover 24 with a curved deflecting plate 25. Some air passes up at the sides between the supports 3 and the casing 19 to keep the latter cool and may pass over the back of the plate 25 to outlets at the front or rear of the cover 24. A pilot lamp for each of the two switches 2 and a thermostat may be provided. Some of the springs 13 may be omitted.
Patent GB-336994-A (GB)
Title: Improvements in or relating to electrical resistances
IPC: H01C3/10
Filed: 1929-07-22
Abstract: 336,994. Kemble, T. S. July 22, 1929. Resistance grids.-An electric resistance censists of a corrugated metal ribbon gripped between corrugated plates of enamelled metal &c. so that the ribbon is exposed to the air in the spaces between the corrugations of the plates. The lower bends of each plate 3 are recessed as shown at 4 to fit the upper bends of the next lower plate and grip the resistance ribbon 2 which is wound to and fro between successive plates as shown.
Patent GB-179108-A (GB)
Title: Improved process for the manufacture of active wood charcoal
IPC: C01B31/12
Filed: 1921-08-24
Abstract: 179,108. Carpmael, W. (Chemiche Fabrik auf Action vorm. E. Schering). Aug. 24, 1921. Carbon.-Consists in subjecting wood charcoal to a partial vacuum, impregnating with alkali, caustic or carbonated, heating to a high temperature such as a bright red heat and extracting the alkali. In an example, wood charcoal is subjected for half an hour at 20‹ C. to a vacuum of 720 mm. of mercury and then impregnated with a solution of potassium carbonate.
Patent GB-652859-A (GB)
Title: Coloured mirrors
IPC: G02B5/28
Filed: 1946-07-29
Abstract: 652,859. Modifying surface reflection. LIBBEY-OWENS-FORD GLASS CO. July 29, 1946, No. 22544. Convention date, Feb. 11. [Class 97 (i)] A reflector which gives a coloured light by reflection comprises a support bearing an opaque non-reflecting or non-specularly reflecting layer and a plurality of superimposed semi-transparent layers which produce colour by optical interference. These layers may be applied to glass, furniture or plastic. In Fig. 8 a glass support 1 is shown carrying interference layers 6, 7, an opaque diffuse-reflecting layer 3, such as paint, and a lacquer protective layer 4. Layer 6 may be of copper, magnesium fluoride, aluminium or silica and the layer 7 respectively of magnesium fluoride, copper, silica and aluminium. Alternatively the opaque reflective film may be on one side of the glass, the other side carrying superimposed layers of lead sulphide and silica. Fig. 11 shows a glass support 1 bearing layers 19, 20, 21 of the same substance, e.g. copper, and layers 22-24 of a different substance, e.g. silica. Such a coating may be formed on the surface of a tumbler by thermal deposition while the tumbler is rotating, the inside of the tumbler being later coated with opaque paint. Other suitable coatings include lead sulphide, pyrite, stibnite, molybdenite, gold, silver, platinum, iron cobalt or chromium ; oxides of lead, magnesium, silver, aluminium, arsenic, tin, titanium or iron ; sulphides of zinc and copper lead selenide ; fluorides of lithium and lead chlorides of silver sodium and lead. Plastics such as polymethacrylate resins may also be used. The Specification also describes the deposit of two interference films on a polished glass support. Specifications 624,846, 632,570, 652,851 and 652,858 are referred to. The Specification as open to inspection under Sect. 91 describes also a glass support coated with a single layer of lead sulphide, as described in Specification 624,846, and gives spectral curves for the mirrors described in that Specification and in Specification 632,570. This subject-matter does not appear in the Specification as accepted.
Patent GB-533030-A (GB)
Title: Reflector lamp
IPC: F21V7/04
Filed: 1939-08-03
Abstract: 533,030. Street lamps. SUGG & CO., Ltd., W., and SUGG, P. C. Aug. 3, 1939, No. 22559. [Class 75 (iv)] A street lamp has a number of burners 2 arranged in a group of elongated form and reflectors 3, 4 arranged back to back and at opposite ends of the group to direct light in opposite directions and in the general direction of the major axis of the elongated group of burners. The reflectors are spaced apart to enable light to pass from the central burners of the group directly to the carriageway beneath. The reflectors are cut away at C to enable the end burners of the group to extend into the reflectors which are of paraboloidal form. One or more secondary reflectors 5 of paraboloidal form may be provided. The burners and reflectors may be arranged within a casing 6 provided with glass panels 7. For illuminating a T-road a lateral extension with reflectors may be provided and for illuminating cross roads, two groups of burners and reflectors in the form of a cross are used.
Patent GB-633395-A (GB)
Title: Improvements in and connected with electromagnetically operated switches
IPC: H01H71/46
Filed: 1947-08-14
Abstract: 633,395. Electrically released switches. CRABTREE & CO., Ltd., J. A., BESAG, E., HILL, W. E., and WINTLE, T. D. G. Aug. 14, 1947, No. 22584. [Class 38 (v)] An electromagnetically-actuated 3-phase motor starter as disclosed in Specification 633,396, has in addition to the main contacts controlled by the armature, two sets of auxiliary contacts for controlling interlocking or signalling circuits and energizing the magnet coil, respectively, these contacts being actuated by a start button g and retained by the electromagnet. An insulating block a screwed to a box c containing an armature f, a magnet d and coil c<SP>1</SP>, slidably houses a plate h which carries at one end contact strips o, o<SP>1</SP> urged apart by a spring p, and is normally pushed forward by a spring n so that the strip o bridges contact pillars s in the interlocking circuit and the strip o<SP>1</SP> disengages contact pillars s<SP>1</SP> in the circuit of coil c<SP>1</SP>. When the button g is pressed, the stem g<SP>1</SP> engages a knob k on the plate h, moving it to break the contacts s and make'the contacts s<SP>1</SP>. This action energizes the coil c<SP>1</SP> so that a nose e<SP>1</SP> on the armature engages a lug h<SP>1</SP> on the plate h to keep the contacts actuated when the start button is released. The front of the block a is'stepped at t, whereby the terminals u, u<SP>1</SP> of the contacts s, s<SP>1</SP> are accessible at different levels.
Patent GB-198941-A (GB)
Title: Improvements in domestic heating and cooking stoves
IPC: F24B1/182
Filed: 1922-08-19
Abstract: 198,941. Ure, A. M. Aug. 19, 1922. Addition to 190,785. Cooking-stoves.-The flue E between the boiler A and oven D in the combination fire-place and cooking range described in the parent Specification is, as shown, recessed into the back of the oven which it thus assists in heating. The top of the flue is bent to cause the gases to pass over the top of the oven and is provided with a damper.
Patent GB-604603-A (GB)
Title: Emulsifiable hydrocarbon oils and emulsions thereof
IPC: C10M173/00
Filed: 1945-09-03
Abstract: An emulsifiable oil or an emulsion thereof in water, particularly suitable as a grinding or cutting oil, comprises a hydrocarbon oil, an organic oil-soluble oil-in-water emulsifier, and an alkali metal polyphosphate of the general formula MnPn-2O3n-5, where M is an alkali metal and n is an integer, and is at least six.  The amount of polyphosphate may be from 0.1 per cent upwards, preferably 0.3-5 per cent, by weight of the oil; the preferred polyphosphate is sodium tetraphosphate.  Emulsifying agents referred to are alkali metal salts of fatty acids, rosin acids, tall oil acids, acids produced by oxidation of paraffin wax, naphthenic acids, oil-soluble sulphonic acids produced by the treatment of lubricating oils, sulphonic acids of dicarboxylic acid esters, alkyl naphthalene sulphonic acids, mono-alkyl sulphuric acids having at least 10 carbon atoms per alkyl radical; polyethylene glycol mono-esters of fatty acids, naphthenic acids, rosin acids, tall oil acids, wool fat acids, and acids produced by the oxidation of paraffin wax; polyethylene glycol mono-alkyl ethers wherein the alkyl radical contains at least 8 carbon atoms.  The quantity of emulsifying agent may be 0.2-50 per cent by weight of the oil.  Mutual solvents for the hydrocarbon oil and the polyphosphate or emulsifying agent include mono- or polyglycol mono-alkyl esters or ethers, wherein the alkali radicals may contain 1-6 carbon atoms; diethylene dioxide, morpholine, isopropyl alcohol, butyl alcohols, acetone, methyl ethyl ketone, butyl or amyl amines, and pyridine. Cutting and textile oils comprise mineral lubricating oils and the cutting oils may contain extreme pressure compounds; plant and insect spray oils containing an insecticide are made from light kerosene to medium lubricating oils; asphalt emulsions comprise straight run, cracked, cutback and albino asphalts and may contain methyl formate as a timing agent; oil-mud emulsions for drilling wells are made from gas oil; anti-oxidants and anti-corrosives may be present.  Specification 449,428, as open to inspection under Sect. 91, is referred to.
Patent GB-299561-A (GB)
Title: Improvements in electrical bonding junction boxes and the like for use with metallic sheathed wires and cables
IPC: H01R4/48
Filed: 1927-08-29
Abstract: 299,561. Pell, W. Guy-, and West, W. Aug. 29, 1927. Junction boxes.- The base a of a junction box is slotted so as to form tongues b lying within the unbroken periphery of the base, and on to these tongues are slipped clamps c, which when tightened by screws c<1> grip the cover of the cables and so bond them together. Any tongue can be bent at right angles to the base so as to accommodate cables entering from the rear. Insulated connectors e can be slipped between lips d that are also formed by slotting the base a. A metal cover or a wood pattrass for a ceiling rose is secured over the base by a screw engaging a port g. A bonding strip can be formed in lengths with tongues similar to the tongues b, and is used for bonding cable coverings together.
Patent GB-598060-A (GB)
Title: Improvements in or relating to conveyor systems
IPC: B65G49/04
Filed: 1944-11-16
Abstract: 598,060. Pickling metals. KING, Ltd., G. W., and KING, D. M. Nov. 16, 1944, No. 22738. [Class 82 (ii)] [Also in Group XXX] In a conveyer having an intermittent feed movement for transfering articles suspended from bars 15 through baths 10, 11, which articles are adapted normally to be supported on the upper edges of the baths so as to depend therein, a carriage 23 is provided which reciprocates along a track 25 disposed vertically above the line of baths, said carriage having a carrier frame 13 suspended therefrom so as to be raised and lowered whilst being moved longitudinally with the carriage and forming a covering for the baths and being so constructed (e.g. with wall portions 16 outside the bath, each portion with flaps 26 movable into engage. ment with bars 15 by toggle joints 27) that, when raised to engage the bars, certain of the latter will remain within the bath whilst others will be lifted clear of the bath, both being moved along together. Thus, in the example, in order to avoid articles 12c, 12d being taken out of the bath whilst being moved along the bath, the top set of flaps is moved outwards and the bottom set moved inwards so that the latter contact the bars suspended from the long bath, and the articles, because they are not elevated so far, remain immersed as they are moved forwards. The carriage 23 may be motivated by a cam and the movement thereof may be accelerated at the start and decelerated towards the end of a cycle. Inclined ribs may also be provided on each bath to guide the carrier in its descending motion.
Patent GB-682029-A (GB)
Title: Stylus moving and guiding structure for electrical recorders
IPC: G01D15/24
Filed: 1950-09-15
Abstract: 682,029. Recording-apparatus. BENDIX AVIATION CORPORATION. Sept. 15, 1950 [Oct. 24, 1949], No. 22762/50. Class 106 (iv). Recording-apparatus comprises a carrier moved in a closed path to traverse a moving record strip and carrying a spring stylus which bends when in contact with the record strip and is characterized in that guide means are provided in the path of the stylus at the trailing edge of the record strip inclined away from the stylus path so as to contact the stylus tip and allow the stylus to unbend gradually during transit thereover. The invention is shown applied to a depth recorder wherein a record strip 11 is fed slowly over a backing plate 10 and a belt 12 is stretched between an idler pulley 14 and a pulley 13 coupled by pin and slotted disc to the shaft of a driving motor 19. A stylus 20 and brush 21 are secured to opposite sides of a metal frame 23 pivoted in a rubber block 25 secured to the belt 12 so that the stylus 20 and brush 21 respectively periodically traverse the record strip 11 and a conductive track 22 which is connected in a circuit for applying a marking potential to the stylus. To ensure firm contact between the stylus 20 and the record strip 11 the stylus is deflected from an angular position shown in dotted lines 20a while free from the strip but limited by a guide 30 to an angle of approximately 45 degrees to the strip when in contact therewith. To avoid fatiguing the stylus by an intermediate point thereof striking the edge of the plate 10 and to avoid vibration when riding off the other edge of the plate 10, guides 10a and 10b are provided at an angle to the plate 10 to ensure that only the tip of the stylus makes contact therewith. The guides 10a, 10b may be formed integral with the plate 10 as short extensions or ears. Specifications 666,263, [Group XXXVIII], and 681,441 are referred to.
Patent GB-382605-A (GB)
Title: Improvements in or relating to electron discharge tubes
IPC: H01J19/30
Filed: 1932-08-15
Abstract: The grid of an electric discharge tube consists of an alloy of nickel and tantalum containing up to 30 per cent, and preferably 20 per cent, of tantalum.  The surface is oxidized by heating in air and the nickel oxide is reduced or vaporized during exhaustion of the tube by induced high-frequency currents.
Patent GB-179110-A (GB)
Title: Improvements in spikes or staples for fastening wire and other material
IPC: F16B15/00
Filed: 1921-08-29
Abstract: 179,110. Emmott, H. Aug. 29, 1921. Hook-headed spikes; staples, wire and like.-A spike or staple for fastening wire &c. is provided with a lug e at right-angles to the shank d for facilitating driving and withdrawal. The lug c may be square or rectangular in section, or may be tapered downwardly or formed with recesses in the sides to enable it to be gripped by the withdrawing-tool. The spike may be made from wire or sheet metal.
Patent GB-420706-A (GB)
Title: Improvements relating to fastening devices for stair carpets
IPC: A47G27/06
Filed: 1933-08-17
Abstract: 420,706. Stair-carpet fasteners. CLAY, A., and WICKER, J. C., 21, St. Paul's Square, Birmingham. Aug. 17, 1933, No. 22947. [Class 52 (v)] A stair-carpet fastening of the kind described in Specifications 389,918 and 408,401 has a screw 7, mounted loosely and rotatably on the retaining arm 6 and engaging in a separately formed screw box 10 secured to the fixing bracket 5<a>, the screw 7 having a conical nose 7<d> and the screw box 10 a splayed opening 10<c> to facilitate the engagement of the two. The screw 7 is mounted in a circular hole 6<a> on the arm 6 and a flange 7<a> prevents its withdrawal therefrom. A cap 9 is secured between a collar 8 and a shoulder 7<b> on the screw 7 by riveted-over portions 7<c>.
Patent GB-480274-A (GB)
Title: Improvements in alkaline accumulators
IPC: H01M50/50
Filed: 1936-08-20
Abstract: 480,274. Batteries. SOC. DES ACCUMULATEURS FIXES ET DE TRACTION. Aug. 20, 1936, No. 22972. Convention date, Aug. 21, 1935. [Class 53] The plates of an alkaline accumulator are arranged in the container in a number of superposed groups A, A<1> which are connected together in parallel. Each group may be subdivided into further groups A, B, C connected horizontally in parallel. Each group consists of a number of positive and negative plates, Fig. 1, showing a single positive plate and Figs. 5 and 6 showing a group of positive and negative plates. The plate shown in Fig. 1, consists of a number of tubes or pockets 2 connected to steel end members 3, the upper one of which is provided with depending bars 4 which connect all the positive plates of the group together. The bars 4 are provided with screws 6 and apertured lugs 7 for connecting adjacent groups of plates together. The groups of negative plates are formed similarly but the connecting members are on the lower end member 3 so that when the positive and negative plates of a group are interleaved in the usual way the connections for adjacent groups are arranged as shown in Figs. 5 and 6. Fig. 8 shows three such groups A, B, C connected in parallel and forming the upper layer of a number of similar layers A, A<1>. The corresponding groups A, A<1>, B, Bi and C, C<1> in the different layers are connected together in parallel by vertical bars 19, 22 which are connected to the terminals 26, 27 by bars 21, 24. Ebonite feet support the bars 19, 22.
Patent GB-224336-A (GB)
Title: An improved rotary tool adapted to be used as a valve grinder, drill, bit-brace, screw driver
IPC: B24B15/08
Filed: 1923-09-13
Abstract: 224,336. Pelletier, J. E. Sept. 13, 1923. Hand and breast drills. -A portable valve grinder which can also be used as a brace for drilling, driving screws, &c., has a spindle 38 with a chuck to hold a valve-rotating or other tool and on this spindle is feathered a sleeve 36, having gears 35, 37 integral therewith, adapted to be moved axially by a frame 24 and locked by a spring catch 28. For drilling, the frame is locked in its higher position as shown, so that the gear 37 engages a gear 21 secured to a shaft 7 which is driven through bevels 14, 17 by a hand or power operated shaft 3. For grinding, the frame is locked in its lower position so that the gear 35 is engaged alternately by oppositelyrotating mutilated gears 18, 20 of which the latter is secured on the shaft 7 and the former is on a sleeve driven through bevels 16, 17. The gearing is mounted in a casing 13 having two handles, the upper one 12 alone being shown. Chucks.-The chuck has wedge-shaped jaws 55 which are hinged to spring-opened levers 44 and closed by a bevelled ring 53 which is moved axially by a sleeve 43 screwed on the body 42.
Patent GB-724749-A (GB)
Title: Improvements in and relating to clothes drying machines
IPC: D06F58/04
Filed: 1953-08-20
Abstract: 724,749. Clothes drying machines. GENERAL ELECTRIC CO. Aug. 20, 1953 [Aug. 20, 1952], No. 23010/53. Class 34 (2). A tumbler clothes drier with rotatable perforate drum 12 within a casing 11 comprising upper and lower sections 26, 27 through which air is circulated by rotation of the drum, the upper section having a heating chamber 30 with electric heaters 31 and the lower section having a condensing chamber 33 in which moisture and entrained lint are removed from the air by cold water sprayed on to a target 57 beneath a baffle 28 has flush devices 64, 65 which wash lint from the walls of the casing into the sump 38. A pump 40 removes condensate and lint from the sump and discharges to waste through valve 46 and drain 47 or recirculates the water via a conduit 48, the valve 46 being controlled by a solenoid 60 operated by the control mechanism controlling the cycle of operations of the machine. A hydrostatic switch controls the supply of water to the apparatus via a solenoid operated valve and prevents flooding of the sump if the dipscharge mechanism fails. In a modification the flush devices are fed with fresh water from the mains via controlled valves instead of the water recirculated from the sump. Specification 712,140 is referred to.
Patent GB-223218-A (GB)
Title: Improvements in and relating to steam or gas turbines
IPC: F01D11/08
Filed: 1924-09-30
Abstract: 223,218. Erste Br³nner Maschinen- Fabriks-Ges. Oct. 10, 1923, [Convention date]. Blades. - The minimum clearance e between the casing d and the shrouding b of the rotor blades a is enlarged to the necessary amount f only at and behind the unsunk rivet heads c. The front part of the shrouding b may be made wedge-shaped, Fig. 2, the casing d being shaped to correspond, so that a pumping action is caused in the clearance e which opposes the flow of leakage fluid.
Patent GB-405715-A (GB)
Title: Improvements in arch supports for shoes
IPC: A43B7/14
Filed: 1932-08-18
Abstract: 405,715. Foot-arch supports. HOWELL, J. C., 340, Main Street, Fort Lee, New Jersey, U.S.A. Aug. 18, 1932, No. 23167. [Class 81 (ii).] An adjustable foot-arch support comprises an arch plate, spring leaf plates arranged on the inside of the shoe, and means secured to the arch plate and connected to the spring leaf plates for supporting the arch plate in spaced relation above and independently of the spring leaf plates. A plate 10 is adjustable at points adjacent the side edges by means as described in Specification 392,275, each comprising a screw 27 threaded in a tubular member 22 which is slidable in the sleeve 25. An outer plate 31 is secured by rivets 32 passing through the solo and a plurality of leaf spring plates 33 which are secured in a recess of the sleeve 25, by crimping over its upper end 36. The two sets of plates may be connected by a link or a tie-plate 35 having openings for engaging the sleeves 25. The insole may be recessed to receive the leaf plates, and plates 37 arranged beneath the forward ends of the leaves to permit of free sliding. A leather insole 50 is provided between the plates 33 and 10, while a covering insole for the plate 10 may also be fitted. The plate 10 may have adjusting means beneath its forward extension 15 as described in the above-mentioned Specification.
Patent GB-282171-A (GB)
Title: Improvements in apparatus for delivering measured volumes of liquid
IPC: B67D7/16
Filed: 1926-09-20
Abstract: 282,171. Liquid Measurements, Ltd., and Hammond, F. Sept. 20,1926. Fixed-chamber apparatus with counting and registering apparatus, valve systems for.-The quantity delivered is varied by adjusting the position of an overflow tube 2, Figs. 1 and 2, the adjustment simultaneously determining the subsequent extent of differential movement of the registering and/or recording mechanism. As the tube 2 is moved an arm 5 engaging a cam slot in a sleeve 7 turns the sleeve and a shroud 9 masking a ratchet wheel 10, adapted to be operated by a pawl 13 linked to the handle 16 of the delivery valve 17. The tube is retained in adjusted position by the engagement of a pivoted member 24 with one of a series of notches 23. In order to ensure that the movement of the handle 16 must be completed before reversal is possible, it is provided with a toothed sector 19 adapted to engage with teeth on a pivoted catch member 20 acted on by springs 21.