baber/WOPTO huggingface dataset:
Patent GB-1279762-A (GB)
Title: Optical measuring instrument
Inventor: SICK ERWIN
IPC: G01N21/25
Filed: 1970-03-16
Abstract: 1279762 Smoke meter E SICK 16 March 1970 [22 March 1969] 12451/70 Heading G1A In a measuring system using separate modulated sources to produce two beams for respective measuring and reference paths the source intensities are maintained at a constant ratio by controlling the pulses of energy delivered to the sources in response to the ratio of intensities of defected partial beams.  In a smoke meter, Fig. 1, a beam from a luminescent diode LM passes via flue gas channel 10 to a reflect-reflector 12 and is directed via a semi-reflector 14 on to a photo-diode 18. Part of the beam is transmitted by the semi-reflector 14 and reflected by mirrors 20, 22 to a photo-diode 26. A beam emanating from a luminescent diode LV is treated in a similar fashion (as shown), except that there is no passage through the gas flue. The circuit shown in Fig. 2 comprises a clock 40 controlling synchronous switches 42, 44, 46 and 48 and radiation received by detector 26 is fed into amplifier 56 and thence via a synchronous switch to pulse amplitude control circuits 62 and 64 each of which is provided with a reference signal by a set point value transmitter 66. Deviation of the pulse amplitude from the set value causes a control voltage to be applied via synchronous switch 44 to control generator 50 which generates pulses for exciting the luminescent diode LMLV. Thus the excitation of LM and LV can be controlled so that equal pulse amplitudes are obtained. The simultaneous control of synchronous switch 48, causes the signal from the diode 18 to be alternately applied via a variable amplifier 72 to a further pulse amplitude control circuit 78 with its corresponding set point transmitter 80, or to be applied to an evaluation circuit 84 and an indicator 86, the switching being such that the reference beam signals are fed to the pulse amplitude control circuits 78. The arrangement is such that the reference beam controls the gain of amplifier 72 so that the indication by 86 is source compensated, that is an indication of smoke density is obtained which is proportional to the ratio of the pulse amplitudes of the measuring and the reference beams. A similar electric circuit is described which has no synchronous switches but in which the two beams are modulated at different frequencies and an appropriate frequency filter is included in each channel.
Patent GB-1419791-A (GB)
Title: Grinding mills
IPC: B02C2/10
Filed: 1973-03-15
Abstract: 1419791 Conical mills V ROVERE 15 March 1973 12456/73 Heading B2A A mill comprises two coaxial cones mounted one within the other, the outer cone 1 having internal helical ribs and the inner cone 2 external helical ribs winding in mutually opposite senses so that material passing between the cones is conveyed from apex to base. As described cone 2 oscillates on a toothed support 5 when the outer cone 1 is rotated by a toothed wheel 4 and motor (not shown). The upper portion of cone 1 has a feed inlet 7 rotating with it which includes screw elements 18', Fig. 1, secured to the internal wall of the inlet Fig. 1. Alternatively elements 18 are secured to a hub 19 on a shaft 13 Fig. 2 which is coaxial with and carried by the cone 2, and either freely guided from above or guided in a frame connected to a frame 6, 10 for the apparatus.
Patent GB-1245917-A (GB)
Title: Neutron flux monitor
IPC: G21C17/12
Filed: 1970-03-16
Abstract: 1,245,917. Detecting neutrons. UNITED STATES ATOMIC ENERGY COMMISSION. 16 March, 1970 [15 April, 1969], No. 12468/70. Heading G6P. In a neutron flux monitor, nickel monoxide or cobaltous oxide is mixed in a magnesium oxide matrix. The mixed materials are ball-milled and then formed into a slurry with propanol, dried and the resultant powder pressed into pellets and then sintered at 350‹ C.
Patent GB-1307014-A (GB)
Title: Displacement measurement systems
IPC: G01D5/26
Filed: 1970-03-16
Abstract: 1307014 Photo-electric measurement of displacement SIEMENS AG 16 March 1970 [17 March 1969] 12469/70 Heading G1A [Also in Division H4] A photo-electric system for measuring displacement or tilt comprises a laser producing a fan-shaped beam, which defines a reference plane with respect to which movements of an object are monitored by a detector arrangement attached thereto and comprising an elongated photo-cell, shaped, or being associated with light attenuating means, such that the cell output increases continuously with the displacement of the detector from the plane.  Single reference plane. In Fig. 1, the linear cross-section of the laser beam 3 is oriented at right angles to the direction of possible displacement. A photo-cell area 2 of increasing width in the directions of displacement is provided e.g. by masking off a rectangular cell. Alternatively, an elongated, rectangular cell, having an absorbtion filter of gradually increasing wedge thickness or absorbtion co-efficient, or a combination of both, superposed in front of the cell may be utilized. Since the distribution of intensity across the laser beam is not linear, a non-linear increases in the width of the cell may be provided. The cell 2 output is amplified at V 2  and fed to differential amplifier 5 and pen recorder 6. The other channel comprising cell 1 and amplifier V 1 , is provided to monitor changes in the laser output and by automatic gain control in V 1  regulate the amplifier V 2  gain accordingly. The output S 11  is substantially constant. The laser may be modulated and A. C. amplifiers turned to this frequency used, to avoid the influence of extraneous light. Alternatively, selective filters may be used. In Fig. 2, suitable for machine tool control, oppositly directed measuring photo-cells 12, 13 are provided, each providing outputs via amplifiers V 12 , V 13  whose gain is controlled by amplifier V 11 . The return motion speed of an object to be kept in reference plane 3 is regulated in accordance with the transverse deflection. Control along straight line. A second detector unit identicaly to that of Fig. 2, is added at right angles to the latter and a cross-shaped laser beam for machine guidance along a straight line. Measuring angular deviations. Two similarly directed photo-cells of the above described type are used, in a differential arrangement. Applications. Besides machine tool control, the invention has application to the building industry in measuring and recording distortion or displacement patterns, e.g. in loading tests on pillars etc.
Patent GB-125200-A (GB)
IPC: F16B41/00
Abstract: 125,200. North, R. B., and Allen, A. M. April 5, 1918. Securing against loss.-To guard against the loss of a screw or bolt, particularly for securing the distributor block of a magneto-electric machine, a wire c coiled on the screw lies in an enlarged opening d in a plate c and prevents the removal of the screw. In a modification, a spring ring lies in a groove in the plain shank b of the screw. The head of the screw is furnished with a slot g, a knurled portion h, and an angular portion f.
Patent GB-550573-A (GB)
Title: Improvements relating to means for actuating the clutches of mechanically propelled vehicles
IPC: F16D25/08
Filed: 1941-09-27
Abstract: 550,573. Clutch operating means. ROVER CO., Ltd., and IVERSEN, P. A., SCOTT-. Sept. 27, 1941, No. 12553. [Class 80 (ii)] The clutch of a motor-vehicle is disengaged by liquid pressure on a piston in a cylinder concentric with the clutch axis, a rotatable and slidable bush being operated through a thrust bearing to transmit motion to clutch releasing means, and the thrust bearing being between one end of the bush and the piston and in a region which can be amply supplied with lubricating oil. As shown, a cylinder a concentric with the transmission shaft c has an open end closed by a wall b of the gear box, and a truncated conical end towards the clutch. A conical piston d has a flange e engaging the cylinder wall and a cylindrical portion f extending through the conical cylinder end, packing rings g being held by a spring k. A ball or roller bearing l is situated between the piston and a flange on a bush i surrounding the shaft c carrying a clutch releasing member k. The clutch comprises a driven member o secured to the shaft c, and friction material t on the flywheel p and on a ring q engaged by the member k. The clutch is engaged by springs s, and disengaged by the pressure of liquid forced into the cylinder a by a foot-operated pump.
Patent GB-378984-A (GB)
Title: Improvements in or relating to gramophone records
IPC: G11B3/70
Filed: 1931-04-29
Abstract: 378,984. Sound record discs. CHESTER, R. H., 202, Thornhill Road, Tolworth, Surbiton, Surrey, and ATKINS, S. F., 8, Berkeley Street, London. April 29, 1931, No. 12611. [Class 40 (ii).] Disc records of celluloid or the like are provided around or within the record, in the pressing operation during manufacture, with areas of material for removing the sharp point from new needles before tracking the sound groove, these areas being composed of record " stock " such as shellac with fillers and coloured pigment, and preferably formed with a plain or recorded groove in continuation of the sound groove in the celluloid &c. record. The areas may be formed when facing discs of celluloid &c. with dough-like stock between are pressed under heat, the stock being thus extruded to form a margin to the discs. Alternatively, an inner ply of paper &c. impregnated with " stock " may be faced with celluloid discs of smaller diameter, thus leaving an annulus which is brought into the facial plane during the pressing of the record.
Patent GB-130735-A (GB)
Title: Improvements in Metal Window Frames and Sashes of the Sliding Sash Type.
Inventor: GIBBONS FRANCIS JOSEPH JAMES
IPC: E06B3/50
Filed: 1918-08-02
Abstract: 130,735. Gibbons, F. J. J. Aug. 2, 1918. Pivoted-sliding windows. -Metal window frames of the horizontal sliding type slide on flanges g having cut-away portions h, i through which studs c and segments d carried by the window may pass. The windows also carry pivots j which in the open position pass into slots k in the frames, thus forming hinges about which the windows may swing inwards. The segments d provide sufficient surface to bear against the flanges g until the pivots j begin to hold in the circular parts of the slots k. The sliding windows may be arranged to hinge at both ends.
Patent GB-276066-A (GB)
Title: Improvements in or relating to the manufacture of lime, gypsum, calcareous and/or aluminiferous cements and the like and/or the calcination of ores and the like and kilns therefor
IPC: F27B1/00
Filed: 1926-05-17
Abstract: 276,066. Martin, G. May 17, 1926. Shaft kilns.-In a shaft kiln for the manufacture of lime. gypsum and cement and for the calcination of ores &c., in which the materials in powdered form are allowed to fall through an ascending stream of hot gases, the average speed of the gases in the clinkering or sintering zone of the kiln is at least four times that of the gases in the preheating or decarbonating zone. By operating in this manner the fine particles are retained in the cool zone until a number of them have fused together to form particles of sufficient weight to overcome the speed of the gases in the high temperature zone. In the kiln shown the cross sectional dimensions of the preheating-zone A are greater in both direction than those of the slit-like clinkering-zone B, the cross sectional areas of the two zones being in the proportion of ten to one. The kiln is fired bv lateral burners E situated at the base of the clinkering-zone and beneath the burners is a cooling-zone C, through which the air for combustion is passed. The zone B opens into the zone A at the side remote from that through which the raw materials are supplied, so that the whirling streams of gas in the zone, A will tend to carry the finer particles downwards. The kiln may be sunk in the ground or built up against the face of a quarry.
Patent GB-1294656-A (GB)
Title: Fluorinated polymers
Inventor: JOHNCOCK PETER
IPC: C07D321/00
Filed: 1968-10-31
Abstract: 1294656 Fluorinated polymers DEFENCE SECRETARY OF STATE FOR 30 Oct 1969 [31 Oct 1968 11 March 1969] 51559/68 and 12685/69 Heading C3R Fluorinated polymers with repeating units where -X- is a divalent organic group which is an aliphatic hydrocarbon group including alkylidene groups which may include etheric oxygen in the chain, or an aromatic group, including aralkylidene groups or an aromatic fluorohydrocarbon group including fluoroaromatic groups and fluorinated heterocyclic groups and R F  is a divalent polyfluorinated group, are obtained by reacting an organic dihalide where Hal is fluorine, chlorine, bromine or iodine, with the alkali metal salts formed from a polyfluorinated diol and an alkali metal hydride in an aprotic solvent, the polymer being formed by elimination of alkali metal halide. When -X- is methylene or methylene substituted with a tertiary alkyl group or an aryl group so that any carbon atom # to a halogen atom carries no hydrogen atoms, cyclic formals, acetals or ketals also are formed. These cyclic compounds may be polymerized to obtain linear polymers. Examples are given.
Patent GB-497911-A (GB)
Title: Improvements in or relating to vertical chamber ovens for producing gas and coke
IPC: C10B21/10
Filed: 1938-04-28
Abstract: 497,911. Coke-ovens. STEINFELDT, H. April 28, 1938, No. 12704. Convention date, April 29, 1937. [Classes 51 (i) and 51 (ii)] In a vertical - chamber coke-oven adapted to be heated with lean or rich gas, or a mixture of both gases, the rich gas pipes disposed in the oven masonry are cooled by a current of air to prevent decomposition of the gas. Lean gas from a producer 4 may be supplied to the heating flues 3 through nozzles 6, and rich gas through a collecting pipe 8 and valvecontrolled distributing pipes 9. The pipes 9 extend through pipes 10, Fig. 4, inserted in vertical channels 16 in the oven masonry. Air is drawn by the oven draught through inverted funnel-shaped openings 15 up one side of a longitudinal web 13 in the annular space between the pipes 9, 10 and down the other side to a collecting pipe 14. The air may be introduced directly, or through the recuperator, into the heating flues to support combustion. Alternatively, the webs 13 may be omitted and the pipes 10 connected to the pipe 14 by additional pipes in the masonry.
Patent GB-543976-A (GB)
Title: Improvements in or relating to spinning cots or the like and the manufacture thereof
IPC: B29C48/09
Filed: 1940-08-07
Abstract: 543,976. Forming spinning cots. ARMSTRONG CORK CO. Aug. 7, 1940, No. 12710. Convention date, Sept. 22, 1939. [Class 70] Spinning cots or the like are made by extruding a compacted mass of a binder and cork particles the maximum selected grain size of which is 20 mesh or smaller. The binder may be a mixture of gelatine glue, glycerine and water and paraformaldehyde as a hardening agent. Paraffin and rubber latex may be added as lubricant. A filler of 20-50 mesh cork particles may be added where the basic particles are of 20-30 mesh.
Patent GB-1455761-A (GB)
Title: Manufacture of butynediol shaped concrete blocks for shafts or bunkers
IPC: C07C33/046
Filed: 1974-03-22
Abstract: 1455761 Preparation of butynediol using suspended catalyst BASF AG 22 March 1974 [24 March 1973] 12771/74 Heading C2C Butynediol is made by reacting formaldehyde and acetylene in the liquid phase, in a reaction chamber, in the presence of a suspension of a supported heavy metal acetylide catalyst, the liquid being fed upwards at such a rate, to the reaction chamber, that the agitated catalyst suspension does not completely or homogeneously fill the liquid, but leaves a substantially catalyst-free liquid zone above the suspension, and the acetylene being fed up through the suspension, at such a rate that it is substantially completely consumed on passing through the reaction chamber.
Patent GB-163010-A (GB)
Title: Improvements in or relating to induced draught devices for furnaces and the like
IPC: F23L17/00
Filed: 1921-05-04
Abstract: 163,010. Prat, E. May 7, 1920, [Convention date]. Casings.-In place of the single fan described in Specification 141,654, [Class 51 (i), Furnaces and kilns, Combustion apparatus of], for inducing a draught in the chimney of a furnace, two fans a, a<1> delivering through passages c, c<1> and a common nozzle d are employed, the lower part of the fan casing being enclosed by a plate e which is so shaped as to offer very little resistance to the flow of gases in the chimney. The nozzle d may be provided with a vertically adjustable conical ring f, as shown in Fig. 3, and the partition g separating the discharge passages of the fans may be hinged at h and adjusted to regulate the size of the discharge passages or close one of them entirely. The fans may be arranged as shown in Fig. 4.. According to the Specification as open to inspection under Sect. 91 (3) (a) the ring f and the partition g may also be used with fans situated outside the chimney and delivering air thereto. This subject-matter does not appear in the Specification as accepted.
Patent GB-917520-A (GB)
Title: Machine for wrapping and sealing cakes, bread and similar articles
IPC: B65B51/10
Filed: 1961-04-10
Abstract: 917,520. Packaging. DOYLE, J. April 10, 1961 [June 10, 1960], No. 12841/61. Class 94(1). A loaf or cake wrapping machine comprises an upwardly spring-pressed pivoted plate 8 extending beneath the loading platform 3 and a heating element 14, and above a reception shoot 17. A sheet of wrapping paper from a holder 27 is placed over an aperture in a plate 7 and the article pushed through the aperture on to the plate 8. The operator folds the upstanding edges of the sheet over the article and pushes it forward so that the articles are fed in succession beneath the heat sealer 14 and finally slide down a pivoted extension 12 on to a rubber apron 15, supported by a cushioning member 16, leading to the shoot 17. For wrapping loaves the apertured plate 7 is replaced by a plain plate and the loaf, after wrapping by the operator, is pushed over the heater 14 and between adjustable side heaters 18 which respectively seal the longitudinal and side seams of the wrapper. The seams are cooled by contact with guide plates 21 resiliently supported by arms 22 and the wrapped loaf either falls through an aperture on to the shoot 17 or is removed along guides 31.
Patent GB-561904-A (GB)
Title: Improvements in or relating to shoulder type safety belts for use with an airplane chair or the like
IPC: B64D11/06
Filed: 1942-09-12
Abstract: 561,904. Body harness &c. MANSON, F. G. Sept. 12, 1942, No. 12893. [Class 141] Safety belts for occurpants of aircraft &c. seats comprise straps 12 passing in front of the shoulders and secured at 14 to the back of or behind the seat, the ends of the straps having spaced eyelets 15 for adjustable engagement with spring pins 21, which are releasable by a pullcord 23, Fig. 3. The pins are attached to discs 22 slidable in a tube 20 secured beneath the seat and the pull-cord is guided in discs 27 fast in the tube. The ends of the tube are closed by discs 26 having guide holes for the pins, and the straps may be held against displacement by fitting within bent plates 37 attached to the ends of the tube. The pins may be headed as shown at 45, Fig. 4, to snap into fasteners 41 carried by plates 40 on the straps.
Patent GB-123922-A (GB)
Title: A Device for Training or Supporting Plants, Creepers, or the like in Horticulture.
Inventor: TONKS GEORGE HENRY
IPC: A01G9/12
Filed: 1918-08-09
Abstract: 123,922. Tonks, G. H. Aug, 9, 1918. Plants, supporting and training. - In a metal clip or fastening for use in training or supporting plants, comprising a self-closing split collar or socket a, Fig. 1, the halves of which are continued rearwardly in contact with one another and joined together at the end, the bridge portion c thus formed is opened out to form a closed socket or loop d to embrace a supporting stem c, or is bent at right-angles, as shown in Fig. 4, for fastening to a support. The loop d is adjustable on the support c. The bent part g, Fig. 4, is fastened to a support by a single nail about which it may be turned to adjust the inclination of the socket.
Patent GB-168948-A (GB)
Title: Improvements in or relating to reciprocating pumps
IPC: F04B9/14
Filed: 1920-05-10
Abstract: 168,948. Hampden, G. C. E. May 10, 1920. Compound piston pumps; valves, arrangement of.-A pump having a pair of valved pistons reciprocated in oppositely-disposed coaxial cylinders comprises a hollow member connecting the pistons and serving to store the air compressed through the valves, and a discharge outlet in the end of one of the cylinders, one of the valves being opened at a suitable moment so that the compressed air is discharged through the outlet. The pump shown is formed of a single cylinder closed at the ends by covers or caps B, B<1> and slotted longitudinally in the middle, and containing a pair of pistons E, E<1> connected by a hollow cylinder F which is reciprocated by an oscillating forked handle pivotally linked to pins K on the cylinder. The pistons are provided with cupleathers allowing the passage of air past them into the end cylinders, and are formed with ports closed by spring-pressed valves G, H provided with spindles G<2>, H<2>. The spindle G<2> coacts with the cap B; the spindle H<2> coacts normally with a stud J adjustable in and in some cases removable from the cap B<1>. Inlet valves may be provided in the caps B, B<1> in place of cupleathers. At the extremity of the right-hand stroke the valve G is opened by contact of its spindle with the cap, and compressed air enters the hollow member. If the left-hand stroke is carried to the end of the cylinder this air is discharged through the valve H and a valved connection D to a tyre etc.; but if the strokes are repeated and not carried to the left extremity, air may be accumulated in the cylinder F for use, by the opening of the valve H, when desired.
Patent GB-834682-A (GB)
Title: Improvements in or relating to wet spinning and doubling frames
Inventor: TODD HERBERT ALEXANDER CONWAY
IPC: D01H7/62
Filed: 1957-04-24
Abstract: 834,682. Lubricating textile spinning rings. EADIE BROS: & CO. Ltd. April 23, 1958 [April 24, 1957; Nov. 8, 1957], Nos. 13000/57 and 34851/57. Class 120(2) [Also in Groups XXVIII and XXXIV] Apparatus for periodically supplying lubricating oil to the rings B of a ring spinning frame comprises an elongated reservoir A from which pipes C extend to the interiors of the rings B, an oil trap c' being incorporated in each pipe C. Periodically, oil is introduced into the reservoir A through a pipe D so as to raise the oil level above the entrances to the pipes C and then sufficient oil is drained from the reservoir to lower the level of the oil therein below the entrances to the pipes C thereby trapping a quantity of oil in the traps c<SP>1</SP>. Gas under pressure is then introduced through a pipe D' into the reservoir A so as to force the oil in the traps c<SP>1</SP> to the rings B. In a modification, the pipe D' is omitted and in a further modification a partition in the upper part of the reservoir A forms a chamber to which gas under pressure is supplied. Oil may be supplied to the pipe D from a header tank F, Fig. 3, through a valve f and drained therefrom through a valve g into a sump g<SP>1</SP> by a pump G operated by a motor G<SP>1</SP>, the valve f and motor G<SP>1</SP> and supply of gas being controlled by a timing device. Alternatively, oil is supplied to the tube D by a pump driven by a reversible motor which is controlled by a suitable timing device.