baber/WOPTO huggingface dataset:
Patent GB-1469417-A (GB)
Title: Rolls
IPC: C03B13/00
Filed: 1974-06-21
Abstract: 1469417 Control of rolling PILKINGTON BROS Ltd 11 June 1975 [21 June 1974] 27717/74 Heading C1M [Also in Division G3] Bowing of rolls 17, 18, due to their being in contact with hot work material 16 (e.g. plate glass) is corrected by a system in which a roll surface proximity detector 20 produces an electrical signal which fluctuates during each revolution corresponding to roll eccentricity caused by the bowing, the signal being used to actuate "heat transfer means" in synchronism with the period that it exceeds a prescribed threshold value, in a manner to reduce the bowing. The "heat transfer means" is preferably cold air blown from a plurality of nozzles 21 via a solenoid valve 27. As shown, the proximity detector 20 comprises an inductive device in an A.C. bridge circuit (Fig. 4, not shown); the output of this is non-linear but, after conversion to D.C. is passed through a linearizing circuit to operate an indicator 25 and to provide the measurement signal. The negative peak of this is detected for each revolution, to which is added the desired threshold value (Fig. 5, not shown). Thus, the threshold relates directly to eccentricity, not to absolute distance of the detector from the roll surface. The solenoid valve 27 is operated if and while the threshold is exceeded, subject to a delay corresponding to the angular displacement of detector and air nozzles. This delay is effected by counting an appropriate number of pulses from a generator 22, 23 associated with the rolls. If the detector output has not dropped below the threshold before a limiting count is reached (e.g. because of detector displacement) the valve is none-the-less closed. In alternative arrangements a contact type proximity detector may be used on the rolls directly or an extension thereof (Fig. 8, not shown), or a laser beam may be reflected from the rolls surface on to a photo detector (Fig. 9, not shown). A hot blast may be used instead of a cold one, displaced by half a revolution.
Patent GB-1487527-A (GB)
Title: Distribution chute of a shaft furnace charging installation
IPC: C21B7/20
Filed: 1976-07-02
Abstract: 1487527 Charging blast furnaces DES ANCIENS ETABS PAUL WURTH SA 2 July 1976 [18 July 1975] 27720/76 Addition to 1419349 Heading F4B  In a distribution shoot for a shaft furnace having overlapping wear plates as described in the Parent Specification, the wear plates have means to retain some of the charge so that in use the wearing surfaces are at least partly covered by the material. Ridges 14, coated with the abrasion resistant material covering the exposed surface of the wear plates are provided on each overlapping wear plate. The first wear plate 12 at the charging end has three ridges, the neat plates 10 which are arranged close together have each a single ridge at the overlapping edge, while the more widely spaced plates 11 at the discharge end have two ridges 14. The shoot is formed with a double shell over the part exposed to the greatest heat, to form a space 22 supplied with coolant through the suspension of the shoot.
Patent GB-756330-A (GB)
Title: Improvements relating to electric junction boxes
IPC: F21V21/02
Filed: 1952-11-05
Abstract: 756,330. Ceiling-roses; binding-posts. YOUNG, S. G. Feb. 5, 1954 [Nov. 5. 1952], No. 27915/52. Class 38 (1). The base 10 of a ceiling-rose has upstanding parallel walls 8, 9 between which are mounted rectangular terminal blocks 1 each provided with through-holes 2, 3 for incoming and outgoing leads. Clamping screws 7, 6 extending from opposite sides of the blocks intersect said through-holes, the screws 6 engaging throughholes 11 in the walls and the screws 7 engaging recesses 12 so as to retain the blocks in position. A pillar 14 on the base forms part of a cord grip described in Specification 756,389.
Patent GB-519694-A (GB)
Title: Improvements in or relating to spirit and like levels
IPC: G01C9/28
Filed: 1938-09-26
Abstract: 519,694. Levels. MIDLAND SAW & TOOL CO., Ltd., and SHAW, H. Sept. 26, 1938, No. 27959. [Class 97 (ii)] A spirit or like level comprises a base member having parts whereon a level tube may be clamped by releasable fastening means sc that ready and accurate replacement of the level tube may be effected without re-setting of the instrument. As shown, the base, formed as a die casting, has upstanding bosses 12 on which the level tube carrier 13 may be fastened by screws 15. The level tube 19 is previously set in relation to the clamping surfaces of the carrier (by means of plaster) so that the level is accurate when assembled. A hollow cover 26 formed as a die casting encloses the parts. A plumb tube carrier 22 may similarly be replaced. In a modification, the base is of solid or hollow form with a recessed upper surface to receive the tube carrier, the open top being closed by a flat cover plate except for the sight openings. In a further modification, Fig: 6, a rotatable sleeve 39 carrying a plumb tube 38 is mounted in the cover 26 so that the inclination of the plumb may be adjusted. This plumb may be situated at the end of the cover' remote from the plumb 23.
Patent GB-756412-A (GB)
Title: Improvements in or relating to a method of and means for deflecting a fluid jet discharged from a nozzle or from a reaction propulsion unit
Inventor: LOGEROT RENE PAUL
IPC: F02K1/32
Filed: 1954-09-28
Abstract: 756,412. Jet propulsion nozzles. SOC. NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION. Sept. 28, 1954 [Oct. 7, 1953], No. 28001/54. Class 110(3) [Also in Group XXXIII] In jet propulsion plant having a propulsion nozzle 1 and a grid of blades 3 through which the jet may be deflected symmetrically or assymetrically, an annular collector ring 4 is positioned downstream of the blades 3 and formed with an orifice 5 through which an auxiliary stream of fluid may be directed under the control of a valve 6 in the direction f, f<SP>1</SP> thereby causing some or all of the stream F to be deflected in the direction F<SP>1</SP>. Instead of being mounted outside the crosssection of the main jet stream, the deflecting device may be located within the jet stream in a central bullet, and it may be associated with additional nozzle means upstream of the blades 3 for varying the effective cross-sectional area of the main jet. Specification 745,630 is referred to.
Patent GB-299995-A (GB)
Title: Improvements in the treatment of caustic solutions for the production of solutions and of solid caustic soda of a high degree of purity
IPC: C01D1/32
Filed: 1927-10-21
Abstract: 299,995. Pritchard, D. A., and United Alkali Co., Ltd. Oct. 21, 1927. Caustic soda. - Dilute caustic liquor, e.g. effluent from electrolytic cells, may be purified from sodium chloride by evaporation, and subsequent addition of a salt or salts of sulphuric acids, such as sodium sulphate, or sulphuric acid itself. When metallic sulphates other than sodium are used, the metallic hydroxide formed by reaction with the caustic soda may be separated. The dilute liquor is evaporated until it contains from 37 to 39 per cent of NaO in solution, and the precipitated impurities are removed. The remaining sodium chloride is removed by treating the evaporated solution with sodium sulphate, anhydrous or otherwise, whereby a precipitate is obtained, containing the greater part of the sodium chloride. The clarified liquor may be used as such or evaporated to obtain solid caustic soda. The amount of sulphate added is dependent upon the amount of sodium chloride present.
Patent GB-998734-A (GB)
IPC: C22B9/02
Filed: 1961-08-02
Abstract: <PICT:0998734/C6-C7/1> A method of degassing a melt comprises bringing the melt into an electric field having a potential gradient sufficient to concentrate the gas ions in the melt and simultaneously or alternately submitting the melt to the action of two electrodes, the cathode being adjacent the position of positive ion concentration and the anode being adjacent the position of negative ion concentration.  As shown, condenser plates 1, 2 in the body of a vessel are energized to concentrate the gas ions as shown by the + and - signs.  A pair of electrodes 5, 6 are positioned to attract the gas ions to a position in which they may be removed from the melt. The electrodes 5, 6 may be in the melt near the surface or may be above, but close to, the surface.  By reversing the polarity of the electrodes the melt may be enriched with gas, e.g. in the oxygen-refining of copper.
Patent GB-483157-A (GB)
Title: Improvements in or relating to poultry and like housings or shelters
IPC: A01K31/04
Filed: 1936-10-16
Abstract: 483,157. Poultry houses &c. CHURCH. G. T. Oct. 16, 1936, No. 28137. [Class 5 (ii)] A poultry housing has the bottom portion 1 which requires to be cleaned formed of a resilient sheet of material held in deformed condition to form a trough of concave crosssection. The trough is secured to the front and rear frames 4, 5 of the housing and is cleaned by a heavy drag connected by cords or wires 20, 24 adapted to be wound on crankoperated drums 22, 25. The drag may be composed of a number of separate elements forked at their upper ends to receive a bar connected to the cords. A plough 17 may be provided to guide the droppings towards the centre of the trough. The drag has one or both edges shaped to fit the trough and to act as scrapers.
Patent GB-1442012-A (GB)
Title: Breath testing kit
IPC: G01N33/497
Filed: 1974-06-25
Abstract: 1442012 Case for a breath testing kit DRAGERWERK AG 25 June 1974 [13 Nov 1973] 28204/74 Heading B8P [Also in Division G1] A case for a breath testing kit comprises two halves, hinged together and containing fittings to hold the apparatus in accessible positions. The case may contain fittings in both halves, as in the Figure, and may contain detector tubes 1, mouthpieces 3, measuring bag 2, instruction leaflet 4. The detector tubes may have breakable lips 12 which abut a ledge 11, and the case may include a device 17 for breaking said tips, the broken portion falling outside the case via hole 19. The mouthpieces may be situated in compartments 15 whose mouths are sealed by a removable strip 16.
Patent GB-672810-A (GB)
Title: Improvements in miners' safety lamps
IPC: F21V25/12
Filed: 1949-11-04
Abstract: 672,810. Miners' lamps. SOC. ANON. DES CHARBONNAGES DE BEERINGEN. Nov. 4, 1949 [Aug. 23, 1949], No. 28266/49. Class 75(iv) A miner's safety lamp comprises at least one fluorescent tube 1 enclosed in a substantially cylindrical cage 3 having end caps 6, 7, a flex ible cable 9 which extends through one end cap being con nected to the ignitior and feed device which is disposec outside the lamp. A translucent sleeve 2 surrounding the tube 1 is sealed at 4 to hE ends of cage-forming metal bars 3 which are connected by reinforcing rings 5 The caps 6, 7 are connected by bayonet joints to the cage 3 and are locked in place by triangularheaded screws 39. The lamp may be suspended by means of a hook 12 rotatably attached to the cap 6, or may be hung horizontally by means of a bar 47 attached to lateral lugs 45 of one of the bars 3. A rubber shock absorber 41 surrounds the lower cap 7 and is fixed in a dove-tail groove 43 at the lower end of the cage 3; a rubber ring 44 is similarly fixed to the upper end of the cage. The cage comprises two series of bars, a ring at the base of the upper series being releasably held by screws in a flanged ring 50 at the top of the lower series; to extend the cage a third series provided with rings at its base and top may be inserted between the first two. The cable 9 extends through a metallic plug 10 and packing 11 in the cap 6, which has an earthing terminal 20 for a conductor 21. Two of the bars 3 have longitudinal passages 22 for conductors, e.g. the conductor 23 connected to terminals 26, 27 at the ends of the tube 1. These terminals 26, 27 are mounted on distribution plates 32, 34 secured to insulators 33, 35 on the upper and lower ends of the cage 3 respectively, a terminal shield 28 being held against the lower insulator 35 by a spring 40 in the cap 7. Two terminals 36 at each end of the tube 1 are connected with the plates 32, 34 via balls 37, and springs 38. A third conductor 30 is connected to a terminal 31 on the plate 32. To remove the tube 1 the lamp is inverted, and the shock absorber 41, cap 7, shield 28, and insulator 35 are necessarily removed whereupon the tube can be slid out.
Patent GB-1032459-A (GB)
Title: Improvements in and relating to electrical inductive cores
Inventor: PALMER JOHN OSMOND MORRIS
IPC: H01F27/245
Filed: 1963-07-18
Abstract: 1,032,459. Transformers and inductors. BRYCE TRANSFORMERS Ltd. July 31, 1964 [July 18, 1963], No. 28409/63. Heading H1T. An intermediate limb 5 (Fig. 3, not shown) of a magnetic core is formed of grain-oriented laminations, or packets of laminations, each having one end fitted into a recess 7 in the corresponding laminations, or packet of laminations, of one or other of the yokes. The other ends of the limb laminations, or packets of laminations, form a butt joint 8 with the other yoke. Alternate limb laminations, or packets of laminations, fit into recesses in opposite yokes. The recessed ends of the limb laminations may be cut on the slant and fitted into triangular recesses (Fig. 4, not shown) for a centre limb, the yoke recesses are slightly off centre so that the limb itself is central in a core having its yokes and outer limbs formed of unsymmetrically arranged mitred laminations (Figs. 1 and 2, not shown).
Patent GB-537222-A (GB)
Title: Improved crankcase structure for internal combustion engines
IPC: F02F7/00
Filed: 1939-10-21
Abstract: 537,222. Crank-casings. POTEZ, H. C. A. Oct. 21, 1939, No. 28415. Convention date, Jan. 28. [Class 7 (ii)] Crank-chambers for radial-cylinder engines are made in one piece or in strips welded together to form a prism or body of revolution. Welding. lines traverse the positions of cylinder openings ; cut-away portions then serve as test-pieces. As shown, the frustum of a cone with three welds 15 is welded to the end of a cylinder with two welds 8.
Patent GB-603678-A (GB)
Title: Improvements in and relating to foundry moulding machines of the jolt squeeze type
IPC: B22C15/10
Filed: 1945-10-27
Abstract: 603,678. Moulding-machines. JACKMAN & CO., Ltd., J. W., and NEVILLE, F. W. Oct. 27, 1945, No. 28476. [Class 83 (i)] A jolt squeeze machine has a single cylinder 1 with two inlet ports 10, 15 supplied at will from a compressed air supply 6, the pipe 11  leading to the port 15 having a pressurereducing, non-return valve 12 and a jolt valve 13 and the jolt exhaust pipe 17 having a valve 8 which is open only when jolting. The valve 8 may also control the supply of air to the pipe 11. A valve 7 may control the admission and exhaust of air through the port 10 for squeezing the mould 4.
Patent GB-203933-A (GB)
Title: An appliance for use in conjunction with a piano or like instrument for carrying other musical instruments
IPC: G10C9/00
Filed: 1922-10-19
Abstract: 203,933. Angyal, A. Oct. 19, 1922. Pianofortes combined with drums and singletoned percussive instruments. - An appliance adapted to be placed across the front of a piano to give a pianist ready access to drums, cymbals, motor-horn, triangle, sand-paper device, clappers, bells &c., carried thereby, consists of side uprights 1 with feet 7, and two detachable horizontal bars 2, 3 supported by brackets 4 secured by bolts 5, the lower bar being vertically adjustable. The cymbals are actuated by swinging strikers 8, and the drums may be operated as described in Specification 136,618.
Patent GB-429342-A (GB)
Title: A method of and means for obtaining fibre from flax or other fibrous plants
IPC: D01B5/00
Filed: 1933-11-29
Abstract: 429,342. Decorticating flax &c. GILLESPIE, J. H., 77, Springfield Road, Belfast. Nov. 29, 1933, No. 28499. [Class 120 (i)] In obtaining fibres from flax stalks the stalks suspended from holders 36 mounted in a rising and falling channel 37, Fig. 1, are scutched between intermeshing rollers during their descent but are not subjected to any scutching during their ascent, the rollers being driven at a greater speed than the descending flax to provide the scutching action and running free so as to be rotated by the pull of the flax during ascent or being positively rotated at the same speed as the ascending stalks. The machine comprises a preliminary combing sheet 3, Fig. 3, two pairs of scutching rollers 1, 1<a> and two pairs of beating rollers 2, the rollers 1, 1<a> being mounted on spindles 4, 4<a> and the spindles 4 being driven from a shaft 5 by chain wheels 6, 6<a> and chains 7. The shaft 5 is driven from the main shaft 17 through bevel gears 18, 18<a>, a shaft 15, bevel gears, 16, 16<a> 16b controlled by a clutch 19, a shaft 13, bevel gears 14, 14<a>, a shaft 8 and gear wheels 9, 10, 11. The direction of rotation of shaft 13 is reversed in synchronism with the rising and falling channel 37 by means of the sliding dog clutch 19 operated by levers 20 on a shaft 21 which is oscillated through a two-armed lever 23 by a face cam 22 mounted on the shaft 21. The rollers 1, 1<a> are formed with flutes 25, Figs. 4 and 5, and the rollers 1<a> are driven from the rollers 1 through composite gear wheels 26, 27 each comprising a pair of gear wheels such as 26, 26<a> bolted together and relatively adjustable to adjust the engagement of the flutes 25 on the rollers 1, 1<a>. The spindles 4 are driven in one direction by spring loaded pawls 32 provided in the bosses 31 of the chain wheels 6<a> and which engage the teeth of the ratchet 29. The rollers run free in the other direction. The beating rollers 2 are provided with blades 2b mounted on spindles 2<c> and are driven by gear wheels similar to the wheels 26, 27. The roller 2 is driven continuously in the same direction from the shaft 33 through chain wheels 34, 34<a> and a chain 35. In a modification the free wheel drive for the rollers 1, 1<a> is omitted and the rollers are positively driven in the reverse direction at a surface speed equal to that of the ascending flax. The arrangement of the holders 36 and channels 37 is similar to that in a hackling machine.
Patent GB-519788-A (GB)
Title: Improved manufacture of artificial films, threads or sheets from plastic material
IPC: C08J5/18
Filed: 1938-10-01
Abstract: 519,788. Artificial filaments, films, &c. I.G. FARBENINDUSTRIE AKT.-GES. Oct. 1, 1938, No. 28575. Convention date, Oct. 1; 1937. [Class 2(ii)] Films, sheets, or threads, are obtained by shaping a mixture of a ,brittle artificial polymerization product of high degree of polymerization and a softening agent and, if desired, a volatile solvent. The films or other articles are strongly stretched longitudinally, and if desired also transversely, during or after the shaping operation, and while thus stretched are freed 'from softening agent by extraction with a liquid. The articles obtained are no longer brittle when the softening agent has been removed. As brittle polymer there may be used a polyvinyl chloride, a polyisobutylene, a chlorinated polyvinyl chloride, a poly-N- vinyl-carbazole, or similar vinyl polymer of high melting point. The softening agent may be a phenolic or alkyl ester of phthalic acid, hydrocarbons of high molecular weight, polyglycols, organic phosphates, chlorinated naphthalene, chlorinated diphenyl. Solutions of the polymerization product and the softening agent in a solvent such as methylene chloride may be cast or extruded to form films or filaments. The solvent may be omitted and the mixture of polymer and softener may be kneaded with heating to form a plastic mass, which is shaped by a roller mill or in a hydraulic press so as to form sheets. After the longitudinal and if desired transverse stretching, the softener is removed, while the articles are still under tension, by a solvent, e.g. benzine. The sheets or threads may be used in, making electric condensers, leads, and cables resistant to moisture and ozone, and contacts resistant to surface leakage. They may be used in making packing material, balloon material, hosepipes, tubes, textiles, or upholstering, material such as artificial horsehair.
Patent GB-450226-A (GB)
Title: A process for drawing magnesium and alloys thereof
IPC: B21C1/04
Filed: 1934-10-05
Abstract: 450,226. Drawing magnesium wire. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. Oct. 5, 1934, No. 28578. Void [Abridged as open to inspection under Sect. 91 of the Acts, May 1, 1935]. [Classes 83 (ii) and 83 (iv)] Working at specified temperatures.-Magnesium or alloys thereof are drawn at a temperature between 250‹ and 400‹ C., preferably 350‹ C., and with a successive decrease in circumference preferably less than 6 per cent per die, for example 2 to 5 per cent per die. The dies may be heated to the required temperature, and the wire may be preheated before reaching the die to 450‹ C. A rod may be first reduced by hammering, the reduction being completed by drawing, numerical examples of dimensions, degrees of reduction, and speed of drawing being given in the Specification. The hammering may be effected above 250‹ C., preferably at 400‹ C. The dies may be of diamond or of the alloy sold under the Registered Trade Mark " Widia." Thin bands may be obtained by suitably forming the final dies, or a wire may be reduced to band form by rolling. Rape oil may be used as a lubricant in drawing. Reference is made to the drawing of tungsten or molybdenum at 800‹ C., with a reduction of at most 8 per cent per die.
Patent GB-657782-A (GB)
Title: Improvements in electrically insulating coating compositions
Inventor: PYE CHARLES ROSSALL
IPC: H01B3/38
Filed: 1948-11-03
Abstract: An electrically-insulating coating composition comprises a mixture of an etherified urea-formaldehyde resin or an etherified melamine-formaldehyde resin and a partial polymeric ester of a polyhydric alcohol and a saturated aliphatic a  o -dibasic acid, having an acid value between 70 and 110, dissolved in one or more organic solvents, the ratio in parts by weight of the solid urea- or melamine-formaldehyde resin to the solid polymeric ester being between 0.4 : 1 and 4 : 1.  Solvents specified are mixtures of primary alcohols such as butanol and ethanol and aromatic hydrocarbons such as xylene and toluene; cyclohexanol, naphtha and cresylic acid.  The partial polymeric esters may be made from adipic, sebacic or succinic acid and glycols, glycerol or pentaerythritol. The compositions may be coloured by addition of dyestuffs.  In examples, the compositions are made by mixing in a centrifugal mixer: (1) butylated urea-formaldehyde resin in butanol and/or xylene, partial poly-ester of glycerol and sebacic acid in methylated spirits, xylene, butanol and methylated spirits; (2) butylated melamine-formaldehyde resin, partial polyester of glycerol and adipic acid, and the same solvents as in (1); (3) butylated urea-formaldehyde resin, partial polyester of glycerol and adipic acid and the same solvents as in (1); (4) butylated urea-formaldehyde resin in butanol and/or xylene, partial polyester of glycerol and sebacic acid in cyclohexanol, naphtha, butanol and methylated spirits; (5) butylated urea-formaldehyde resin, partial polyester of pentaerythritol and sebacic acid, and the same solvents as in (1); (6) butylated urea-formaldehyde resin, partial poly-ester of glycerol and succinic acid, and the same solvents as in (1); (7) glycerol and sebacic acid are heated to 177 DEG  C. until the acid value is 100, and the mass is allowed to cool to 121 DEG  C. before mixing with butylated urea-formaldehyde resin in butanol and/or xylene and finally with naphtha and cresylic acid.  The compositions may be used for coating wire, and cotton, silk and glass insulating sleeves, and for coating cloth to render it electrically insulating.