baber/WOPTO huggingface dataset:
Patent GB-305025-A (GB)
Title: Improvement in kilns
IPC: F27B9/20
Filed: 1929-01-23
Abstract: 305,025. Robertson, H. M. Jan. 28, 1928, [Convention date]. Tunnel kilns; crowns and roofs; walls.-In a tunnel kiln, having along each side of the firing- zone a combustion chamber 24 in communication with a series of fireboxes 25 burning solid or pulverized fuel, each combustion chamber 24 is extended downwardly to form a settling-space 26 from which the dust &c. deposited from the gases may be removed through ports 27. The latter are disposed at each end of the space 26 and communicate with re-entrant bays 22 which provide space for the manipulation of the steam, air, or the like pressure or suction apparatus used for removing the collected dust. The combustion chambers 24 are provided with perforated walls 18 for the passage of the hot gases into the kiln and are covered at their upper ends by slabs 20 having spaced vertical baffles 21. The tunnel itself is formed with outer and inner walls 10, 11 separated by a layer 12 of heat-insulating material, which latter is covered at the top by a block 13 abutting against the pediments 14 supporting the arch 15; the entire upper surface of the kiln between the outer walls 10 is covered with heat-insulating material 16. Specification 328,265 and 332,619 are referred to.
Patent GB-652045-A (GB)
Title: Improvements relating to circuit arrangements for production of steady voltages fromvoltage pulses
Inventor: FAUDELL CHARLES LESLIE
IPC: H04N3/18
Filed: 1948-01-27
Abstract: 652,045. Converting. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Jan. 27, 1948, No. 2380. [Class 38 (ii)] [Also in Group XL (b)] To permit variation of the final anode voltage of a cathode-ray tube 1 having an electromagnetic deflection circuit from which is also derived the anode voltage and thus to provide for fine focusing when focusing is mainly effected by a permanent magnet 36, an adjustable proportion (determined by the setting of a potentiometer 20, 21) of the voltage pulses 8 appearing across the secondary 7 of the transformer supplying the deflexion coils 2 is applied in series with the rectifier-condenser combination 13, 14 by which the anode voltage of the tube is derived from the voltage pulses 4 which occur across the primary of the transformer. A smoothing filter 15, 16 may be provided, but its omission results in blanking of the flyback trace, which is also of increased amplitude and speed. The pulses 4, 8 may assist or oppose each other and may be suitably phased for maximum effect by the provision of a delay network 37-39, as shown in Fig. 2, which also shows an arrangement in which the transformer 24, 28 is of unity ratio to reduce the voltages appearing between the core and windings. The deflexion coils may be fed from a tapping on the secondary winding 28, another tapping feeding the potentiometer 33, 34 by which the tube anode voltage is adjusted.
Patent GB-1176312-A (GB)
Title: Improved process for making 3-Methyl-2-Thiophene Carbaldehyde
Inventor: MCFARLAND JAMES WILLIAM
IPC: C07D333/16
Filed: 1968-01-16
Abstract: 1,176,312. 3 - Methyl - 2 - thiophene carbaldehyde. CHAS. PFIZER & CO. Inc. 16 Jan., 1968, No. 2431/68. Heading C2C. 3-Methyl-2-thiophene carbaldehyde is prepared by reacting 3-methylthiophene with dichloromethyl methyl ether in the presence of a Friedel-Crafts catalyst at a temperature of from 20‹ to 30‹ C. in a reaction-inert solvent.
Patent GB-1167911-A (GB)
Title: Pod for a Gas Turbine Engine.
Inventor: COX PETER OLIVER
IPC: F02C7/05
Filed: 1967-01-17
Abstract: 1,167,911. Gas turbine engines - air intakes. ROLLS-ROYCE Ltd. Jan. 10, 1968 [Jan. 17, 1967], No.2495/67. Headings F1G and F1J. A pod for a gas turbine engine comprises a fixed pod portion having a part arranged to be nearest the ground when the pod is installed on an aircraft, a part-cylindrical panel mounted in that part of the fixed pod, the panel being movable between a first position in which it forms with the fixed pod portion a substantially continuous uninterrupted air intake structure, and a second position in which the panel projects forwardly and below the upstream edge of the fixed pod portion so as to present to the air intake a debrisfree surface from which in operation of the engine, a vortex of air is sucked into the engine, there being actuating means for effecting movement of the panel between the first and second positions. The invention is shown applied to a gas turbine ducted fan engine, the fan 21 of which is enclosed within pod 11, the pod comprising at its lower side a panel 23 which is movable between an upper position, not shown, in which it closes off an opening 27 in the pod and a lower or extended position as shown in which it provides a debris -free surface from which a vortex 25 extends into the air intake. The panel is mounted by means of lazy-tongs linkages 24 and is movable by an actuator not shown. Lesser vortices such as 26 extend from the ground surface but are such that debris would not be drawn into the engine.
Patent GB-101107-A (GB)
Title: Improvements in and relating to Typewriters.
Inventor: ROBERTSON JOHN ALLAN
IPC: B41J1/18
Filed: 1916-02-21
Abstract: 101,107. Robertson, J. A. Feb. 21, 1916. Type-lever machines for embossing metal; hammer-impression arrangements.-A machine for marking letters &c. on metal articles comprises a set of punches 1 secured to key-operated levers 2, the selected punch being brought into contact with the work by depressing the corresponding key 10, and impression being then effected by one or more blows of a hammer on the punchholder 6. The levers 2 are parallel, and the punches strike at different points, the work being secured to a slide 17, described below, which is mounted on a table 16 and is shifted to bring the work under the selected punch. The levers 2 are connected by links 14 to parallel key-levers 8, which are connected to returning-springs 15 or counterweights. The upper pivot 41 of each link 14 is preferably in the same straight line as the pivot 4 and the face of the punch. The mechanism is enclosed in a casing 3 provided with a hinged or removable cover 44 and a dust-excluding plate 12, which is slotted to receive the levers 2. Keys.-The key-levers 8 are provided with detachable finger-plates 10 having flanges 10<a> secured by screws 13. Dies.-The punches 1 are detachably secured by screws 7. Matrix-carriages; matrix-clamping arrangements; carriage scales.- The work is secured by a clamp to the slide 17, Fig. 5, which engages a groove 21 on the vertically adjustable table 16 supported by one or more pillars 18 secured by screws 20. For setting the work, the table is provided with marks 34 arranged opposite the impression points of the punches, and the slide is provided with a scale 35 which is set with reference to the marks 34. The table is set with the face of the work in the impression plane of the punches, this being indicated by a plate 43. The clamp consists of blocks 22, 31 adjustably secured to a plate 23 mounted between flanges on the slide 17 and secured by screws 25. The block 22 is guided by a groove 27 in the plate 23 and is secured by a screw 28 entering one of a series of holes 29. The blocks 31 are secured by screws 32 entering pairs of holes 33. Locking-devices. - A comb 36, provided primarily for relieving the springs 15 when the machine is out of use, is mounted on pins 38 and can be shifted longitudinally to bring the teeth 37 under the key-levers 8 by turning a. knob 41 provided with a fork 39 engaging a pin 40 on the bar.
Patent GB-348054-A (GB)
Title: Improvements in and relating to garters for socks and stockings
IPC: A41F11/04
Filed: 1930-01-24
Abstract: 348,054. Sock &c. suspenders. EVANS, W. E., 27, Chancery Lane, London. -(Vorwerk & Sohn ; 34, Kleiner Werth, Barmen, Germany.) Jan. 24, 1930, No. 2551. [A Specification was laid open to inspection under Sect. 91 of the Acts, Jan. 26, 1930.] [Class 44.] Stocking-suspender grips in which the loop member c is pivotally mounted in holes formed in a thickened portion d of the rubber &c. tab carrying the usual button b have the loop c bent outwards at c<1>, or provided with lugs, to afford lateral protection to the thickened portion d.
Patent GB-484022-A (GB)
Title: Improvements in or relating to conveyers
IPC: B65G15/62
Filed: 1937-01-29
Abstract: 484,022. Endless - belt conveyers. INTERNATIONAL COMBUSTION, Ltd., and TAYLOR, F. C. Jan. 29, 1937, No. 2663. [Class 78 (i)] Guide members 5 secured at intervals to a belt 1 are engaged by a fixed guide rail 6, and the edges of the belt are supported and guided by fixed wooden plates 7. The relative disposition of the guides 6, 7 is such that the belt is troughed as shown at one part of its travel and at other parts is flat. The driving drum 3, Fig. 6, is divided to accommodate the guides.
Patent GB-620884-A (GB)
Title: Improvements in or relating to siphon fittings for bottles and other containers
IPC: B67D1/04
Filed: 1947-01-29
Abstract: 620,884. Siphon heads. HILDER, E. J., and HILDER, E. G. A. Jan. 29, 1947, No. 2724. [Class 14(i)] The top cap and neck of a siphon fitting are made integral and are connected to the body of the fitting by a clamping collar which engages the upper end of a split and threaded sleeve within the body. The fitting comprises a body 1 which surrounds the neck of the container and holds in position the two portions of a split sleeve 6. The members of the sleeve 6 are recessed at 6a to take opposite tongues on a valve housing 3 which seats on the top of the neck of the container. The valve housing 3 consists of a hollow cylindrical body with a hole in the top and bottom to accomodate the rod 9 of a valve. A spout 2 engages the body 1, sleeve 6 and valve housing 3. The upper end of the sleeve 6 is threaded at 5 and the integral neck 8 and top cap 8a of the fitting are secured to the body 1 by a collar 7 screwed on the sleeve. The neck 8 of the fitting houses one end of the spring pressed valve rod 9 and the operating handles. The other end of the rod 9 has secured to it a valve member 21 which normally seats against the bottom of the valve housing 3 to close the valve. In a modification, the valve housing 3 is fitted internally with a sleeve having a plurality cf parts to prevent squirting of the liquid.
Patent GB-469739-A (GB)
Title: Improvements in or relating to flying machines
IPC: B64D27/02
Filed: 1936-01-29
Abstract: 469,739. Shock-absorbers. POUIT, R. J. Jan. 29, 1936, No. 2747. Convention date, Jan. 28, 1935. [Class 108 (iii)] [Also in Group XXXIII] A tail-supporting strut 11, for aeroplanes which is adapted to extend under its own weight and to offer a continuous resistance to collapse comprises a cylinder 16 and a hollow piston 18 within which a piston 19 is freely movable. There are thus two variable volume chambers 20, 21, respectively, which communicate through a calibrated orifice 22 and are filled with oil. Piston 19 is formed with a tail 24 adapted to enter a recess 23, a conduit 24<1> and valve 22<1> being provided to allow passage of any oil that may leak past the piston into the recess and a flap being formed on one side of the tail to permit expulsion of air otherwise than through the conduit 24<1>. Atmospheric pressure is maintained under piston 19 when the strut extends by means of a conduit 25 which is closed by piston 19 when the strut is collapsed. Annular oil retaining grooves are formed in the wall of piston 18.
Patent GB-1199336-A (GB)
Title: Method and Apparatus for Producing a Reflectivity Log of Formations Traversed by a Borehole
Inventor: ZEMANEK JOSEPH
IPC: G01V1/44
Filed: 1968-01-18
Abstract: 1,199,336. Acoustic well-logging. MOBIL OIL CORP. 18 Jan., 1968, No. 2820/68. Heading H4D. The reflectivity characteristics of earth formations traversed by a bore hole are logged by directing a beam of repetitive ultrasonic pulses towards the bore hole walls in a helical scanning pattern, receiving direct reflections of the pulses from the walls, averaging the amplitude of reflection signals received during at least one complete circular scan of the walls, and recording the average as a function of depth in the borehole. In the Fig. 2 embodiment directional transmitter T and receiver R (or a transceiver) are (or is) rotated by motor 26 at about 3 revs./sec. while logging-tool 10 is moved along bore hole 14 at about 3 ins./sec. Pulses of 2MHz frequency are transmitted at a rate of 2000 per sec. and the echo pulses are amplified at 28 and demodulated at 30 for transmission of an echo envelope signal uphole. The envelope signal is amplified at 34 and passed via gate 66 and (optional) peak voltmeter 36 to averaging circuit 38 having a one second time-constant. Gate 66 is opened only for periods bracketing the expected arrival times of echo signals, thereby eliminating undesired signals. The averaging circuit 38 is applied to a chart recorder 40 electromechanically linked with the logging-tool hoist mechanism. Logging-tool 10 is centred in the bore hole by devices 15, 15a which may include mud scrapers. The amplitude averaging procedure permits reflectivity measurements undisturbed by local variations (e.g. fissures) in the bore hole walls. Transducer details.-Transmitter T and receiver R may comprise (Fig. 5) lead zirconate titanate discs of half-inch diameter and 0À05 inch thickness glued to angled blocks 80, 81 of lead or aluminium. The block separation is variable so that the intersection point of beams 16, 18 can be suited to the bore hole diameter.
Patent GB-1141786-A (GB)
Title: An improved method of looping knitted fabrics and apparatus for carrying out the method
IPC: D05B7/00
Filed: 1968-01-19
Abstract: 1,141,786. Looping machines, knitting machines. WILH. BLEYLE K.G. 19 Jan., 1968 [8 Feb., 1967; 10 June, 1967; 22 Dec., 1967], No. 2896/68. Headings D1C and DIG. Knitted work located on the points of a looper or a knitting machine transfer bar is pushed down the shanks of the points by applying rapid vibration to the work substantially parallel to the axes of the points. As shown, work 6 is led by a guide 10 to the points 5 of the rotary dial of a looping machine, and, after being located upon the points, is subjected to rapid vibration applied thereto by a yoke 4 having curved edges which straddle the points and which is coupled to the armature of a magnetic vibrator 1 mounted on the machine by an angularly-adjustable bar 2. Each work-engaging edge 7 of yoke 4 is formed with a leading lobe 7d and a deeper trailing lobe 7b. In a modification, the yoke comprises either a pair of discs eccentrically mounted on a rapidly-rotating shaft, or a pair of multi-lobed rotary cam discs. Yoke 4 may be illuminated and viewed through a magnifying lens system.
Patent GB-123384-A (GB)
Title: Improved Construction of Lens for Lamps, Projectors, and the like.
Inventor: COULSON WILLIAM THOMAS
IPC: G02B3/08
Filed: 1918-02-19
Abstract: 123,384. Coulson, W. T. Feb. 19, 1918. Lenses.-A lamp lens for a search-light or signalling lamp is of the type described in Specification 23491/09 in which the source of light is placed in a co-axial hole extending through it and is constructed with a curved surface comprising two curves C E, C A having a common tangent, which makes an angle of 45 degrees with the ray of light passing the point C. The junction of the two curves is in a plane parallel to the front face of the lens, and the hole in the lens may be cylindrical or conical, the source of light being arranged so that the rays of light enter the plane through the junction of the two curves at the surface of the hole. In one form, the diameter of the lens is 1 unit, the length and diameter of the hole A F are respectively 0.3 and 0.26 units, the radius of the curve A C is 1.03 units, and the radius of the curve C E is 1.58 units, the centres of the two curves being in a line passing through the point C. The lens may consist of one or more pieces cemented together, preferably of two pieces divided along the transverse plane C, G.
Patent GB-379218-A (GB)
Title: Improvements in and relating to wooden panels or plates
IPC: E04C2/12
Filed: 1932-02-01
Abstract: 379,218. Panels ; partition slabs ; door bodies. WINKLER, K., (trading as FI TI WI FINSTERWALDER TISCHFABRIK K. WINKLER), Finsterwalde, Nieder Lausitz, Germany. Feb. 1, 1932, No. 2939. [Classes 20 (iii), 20 (iv) and 87 (i).] A wooden frame or grating for panels, partitions, or door - bodies, has the grain of allits elements running in the same direction. Notches h may be provided at the glued joints for removing the moisture of the glue and permitting circulation of air. The frame may be made in a joint-gluing machine by feeding thereto alternately a number of long bars c and intermediate members d, e.
Patent GB-1510262-A (GB)
Title: Concrete floors and multiple moulds for production in mass of concrete joists therefor
IPC: B28B7/02
Filed: 1976-11-01
Abstract: 1510262 Concrete floors CAVICRETE & SHUTTERCRETE Ltd 1 Nov 1976 [27 Jan- 1976] 02989/76 Heading E1W [Also in Division B5] A floor comprises concrete beams 60, tiles 67 and concrete screed 68, the beams 60 being reinforced by longitudinal rods 63 welded to transverse rods 64 extending across the beams, and to upright rods 65 which protrude into the screed.
Patent GB-1491132-A (GB)
Title: Machine tool spindle assemblies
IPC: B23Q1/26
Filed: 1975-01-23
Abstract: 1491132 Bearings LA PRECISION INDUSTRIELLE 23 Jan 1975 [31 Jan 1974] 3002/75 Heading F2A An assembly for a machine tool comprises a spindle 1 supported by first and second conical roller bearing assemblies, the second bearing 11 having raceways which taper towards the axial centre of the spindle, a housing 2 for the outer race 15a of said second bearing, a cylindrical extension 15b from said outer race axially towards said axial centre, the race and extension being axially slidable in the housing, an annular thrust block 19, a plurality of compression springs 25 arranged in the gap between the thrust block and the extension to bias said race away from said axial centre, means for supplying hydraulic fluid to said gap so as to vary the total biasing force on said outer race, and regulating means for controlling the fluid pressure. The springs 25 are seated in blind holes 22, 23. The thrust block comprises a cylindrical portion 19a provided with a locking ring 24 which limits axial movement of the extension away from said axial centre. In order to facilitate axial sliding of the outer race, lubricating bores 35, 36 are provided. In a further embodiment (Fig. 3, not shown), a restricting element is included in the fluid supply pipe 26, and hydraulic fluid leaks from the space between the thrust block and the extension through a series of radial bores and into contact with a ring on the spindle. As the temperature of the spindle rises, the flow rate of fluid along the leakage path increases so that the pressure assisting the force of the springs drops.
Patent GB-1415093-A (GB)
Title: Poultry feedstuffs
IPC: A23K1/165
Filed: 1973-01-19
Abstract: 1415093 Poultry feedstuff additives ROUSSEL-UCLAF 19 Jan 1973 [20 Jan 1972] 3022/73 Heading A5B Compositions for use as additives to poultry feedstuffs comprise, as the active ingredient for the production of larger eggs and the quantitative and qualitative increase of egg laying, one or more 13#-alkyl-17#-hydroxygona-4, 9, 11-trien-3-ones of the general formula: wherein R represents an alkyl radical; and either R' represents a C 2-4  unsaturated hydrocarbon radical, optionally halogen substituted or a C 3-5  cycloalkyl radical, in admixture with a vehicle which is non-toxic and metabolically acceptable to poultry, the composition containing from 1 to 1000 parts per million of the active ingredient. The active ingredient is preferably 17α-ethynyl-17#-hydroxy-estra-4, 9, 11-trien-3-one and/or 17α- methallyl-17#-hydroxy - estra-4, 9, 11-trien- 3-one. The poultry feedstuffs prepared from the additive compositions of the invention may also contain mineral salts, oligo elements, vitamins, antioxidants, protein extracts and/or coccidiostatics.
Patent GB-1520250-A (GB)
Title: Method of cutting metal elements under water and a shaped explosive charce device therefor
IPC: F42B1/02
Filed: 1976-01-27
Abstract: 1520250 Hollow cutting charges IMPERIAL CHEMICAL INDUSTRIES-Ltd 29 Nov 1976 27 Jan 1976 03068/76 Heading F3A [Also in Division B3] The ragged edges which are produced when cutting a pipe under water with a conventional hollow charge cutting device are prevented by surrounding the casing 13 of the charge with a layer of foam 20. The casing may provide a stand-off space 15 and a chamber 14 for a liquid explosive that is formed from non- explosive components.
Patent GB-1171335-A (GB)
Title: Valve for Steam Pressure Cooker
IPC: F16K7/04
Filed: 1967-01-20
Abstract: 1,171,335. Valves. A. JORDAN, [trading as A. JORDAN METALLWARENFABRIK]. 20 Jan., 1967 [24 Jan., 1966], No. 3089/67. Heading F2V. A pressure cooker valve is formed with a central spring-loaded pressure indicator 8, axially displaceable within the bore 7 of a valve closure member 6 which is also spring loaded and, with the housing 3, which is secured to the cooker lid 2, acts as a pressure relief valve. Both springs 10 and 15 are held at their lowermost extremities, within annular grooves 13, 14 respectively, so that when dismantling the valve, as by unscrewing caps 16 and 9, the springs are not ejected. Excessive compression of the indicator spring 10 is prevented by providing the indicator with a shoulder 28 which may abut the head 19 of cap 9 to limit this displacement, simultaneously increasing the opening force applied to member 6. In use, steam firstly enters a buffer chamber 22, formed between the housing and closure member, after which member 6 rises further, thereby uncovering outlet 17. The excess pressure is rapidly relieved subsequent to which the valve member is re-seated. A small conduit 30, leading from the buffer chamber, serves to relieve pressure within it when the valve is closing whilst bores 18 are provided for discharging water of condensation which forms within the cap 9.
Patent GB-668903-A (GB)
Title: Organo-silicon compounds and their manufacture
IPC: C07F7/12
Filed: 1950-02-08
Abstract: Polymeric siloxanes are obtained by hydrolysing and condensing organo silicon compounds of the general formula [R3SiCH2]SiX4-n, wherein each R is an alkyl or monocyclic aryl radical, each X is a halogen and n is 1 or 2.  The hydrolysis and condensation may be carried out in the presence of other organo silicon halides to produce copolymers, e.g. with mono-, di- or tri-organo silicon halides.  A compound of the above general formula, where n is 2, may be hydrolysed and copolymerized with octamethylcyclotetrasiloxane.  In the examples 1 and 2, resins are obtained by the hydrolysis and condensation of a mixture of the compounds CH3SiCl3, (CH3)3SiCH2SiCl3 and C6H5CH3SiCl2, and a mixture of the compounds (CH3)3SiCH2 SiCl3 and CH3SiCl3.ALSO:The invention comprises organo silicon compounds of the formula [R3SiCH2]nSiX4-n, wherein each R is an alkyl or monocyclic aryl radical, each X is a halogen atom and n is 1 or 2, and their manufacture by reacting a compound of the general formula R3SiCH2MgX or R3SiCH2Li, where R has the above significance and X is a halogen atom, with a compound SiX4, there being present less than 3 mols. of the former compound per mol. of the latter. The group R may be an alkyl radical from methyl to octadecyl or the phenyl or tolyl radical.  In the examples the following compounds are prepared: (CH3)3SiCH2SiCL3, [(CH3)3SiCH2]2SiCl2 and C6H5(CH3)2SiCH2SiCl3.  The organo lithium and magnesium compound required for the above process are prepared by reacting the compound R3SiCH2X with lithium in mineral oil and with magnesium respectively.