baber/WOPTO huggingface dataset:
Patent GB-867595-A (GB)
Title: Improvements in or relating to boxes, lids, trays or the like made from cardboard orthe like
Inventor: SIMMONS HAROLD GEORGE
IPC: B65D5/24
Filed: 1958-06-24
Abstract: 867,595. Cartons. MARDON, SON & HALL Ltd. June 23, 1959 [June 24, 1958], No. 20117/58. Class 18. A box or tray is made from a single cardboard blank in which sides 2, 3, 4, 5 bent up from a base 1 are connected by oblong gussets 6 having an excess portion 11 an arc triangle 10, in which the opposite walls 3, 5 have margins of double thickness extended to constitute also the excess portions of excess triangles 10 at the adjacent corners so that upon erection the marginal extensions are secured to the other opposite walls 2, 4 with the triangular pleat between so as to hold the excess triangles faceto-face with the other walls and keep the box erect. The double thickness margins are formed by doubling over and heat-sealing extra panels 12, 13, 14 ; the walls are bent up, gussets 6 are bent on scores 7 so that triangles 9 lie against the walls 4, 2 and the excess triangles 10 lie thereon facing these walls inner surface, after which each wall 4, 2 with its two corners is sealed by heat and pressure. In a modification, extra panels 12, 14 are extended so as together to equal the length of end walls which are more than twice as wide as the gussets 6. Specification 639,419 is referred to.
Patent GB-662120-A (GB)
Title: Improvements in or relating to separator apparatus
IPC: B07B7/08
Filed: 1949-08-03
Abstract: 662,120. Centrifugal separators; roller- and-ring mills. COMBUSTION ENGINEERING-SUPERHEATER, Inc. Aug. 3, 1949. [Aug. 23, 1948] No. 20196/49. Classes 23 and 59. A separator for grading particles comprises a casing 1, means for causing a flow of particle-laden gas therethrough, a rotor 22, and a helical plate 33, the coarse particles thrown on to the plate by the rotor being returned therefrom to the grinding mill with which the separator is combined. The mill is supplied by a feeder 17, and ground material is drawn through an outlet 19 by a fan. The mill comprises rollers 15 co-acting with a ring 16. The rollers are carried by members 13 pivoted at 14 to a spider 12 on a shaft 5. The shaft 5 is driven by bevel gears from a shaft 11, and carries ploughs 18 which lift material from the bottom of the mill.
Patent GB-335289-A (GB)
Title: A new or improved can opener
IPC: B67B7/46
Filed: 1930-04-02
Abstract: 335,289. Thornton, G. D. April 2, 1930. Opening by cutting.-9 stirrup or fulcrum-piece 2 is pivotally mounted on the shank portion 1 above the blade 7 of a canopener. The notched toe portion 6 is adapted to ride on the rim of the can, whilst one of the spurs 4, 5, of the heel portion engages the end of the can and the other rides against the outer side wall. The movement of the stirrup is limited by a stop pin 8 adapted to engage the heel portion. For opening cylindrical cans the shank, blade, &c. may be of curved form.
Patent GB-1508300-A (GB)
Title: Radiology
IPC: G01N23/04
Filed: 1974-05-08
Abstract: 1508300 Radiography EMI Ltd 24 April 1975 [8 May 1974] 20259/74 Heading H4F Radiological apparatus includes a plurality of scintillator crystals and photomultipliers 27a,b the H.T. supply to each of the photomultipliers being controlled as a function of the p.m. output signal so as to constrain it to operate within a linear region of its characteristic. X-rays from source 12 pass through a body 6, to be irradiated, in a beam 25 to the detector 27, the source and detector being linked by a yoke 16 and being angularly displaced relative to the body on a turntable 11 at intervals, between each linear traverse scan of the body of the source and detector under control of an endless motor-driven belt 14, 15. The detection is on a member 21 having a graticule 22 with a translucent region bearing opaque markings 23 and a photocell unit 24 providing timing pulses for the scan to a circuit 36 determining the integration times of integrators 35 receiving p.m. output pulses. The integrated p.m. signals are digitized 37 and stored at 38. A logic circuit 39 compares the highest and lowest signals in a scan with predetermined values and if any p.m. is, or is in danger of, operating outside its linear region circuit 40 acts with relay circuit 42 and H.T. generator 43 to recify the situation.
Patent GB-1036234-A (GB)
Title: Improvements in or relating to magnetic tape transport systems
IPC: G11B15/54
Filed: 1964-05-15
Abstract: 1,036,234. Automatic speed control. AMPLEX CORPORATION. May 15,1964 [Sept. 6, 1963], No. 20297/64. Heading G3R. [Also in Division H3] A reversible magnetic tape transport system uses a motor driven by a dead-zone amplifier prefereably comprising a long-tailed pair of transistors 77, 78 feeding a further transistor 89 and having a pair of feedback paths via diodes 95, 97: 96, 98 provided with adjustable positive and negative bias currents via resistors 101, 102. When the input signal current via resistor 71 is less than the bias current supplied via resistors 101 or 102, diodes 95... 98 are conductive, clamping the input to the output so as to avoid spurious outputs due to noise or drift. Positive or negative input currents greater than the bias current supplied via resistors 101 or 102, cut off the respective diodes 95 and 98 or 96 and 97, thus breaking the negative feedback paths and allowing the amplifier to feed an output via the complementary pair of transistors 93, 94 to the low-inertia printed circuit motor 64. The speed is made proportional to input current by feedback via a tachogenerator (Fig. 1 not shown). The amplifier may be arranged to saturate at an input signal corresponding to half the normal control current fed via 71 so that the motor 64 has constant acceleration until its speed closely approaches normal value when the feedback from the tachogenerator (not shown) is sufficient to reduce the input signal below the saturation level.
Patent GB-800731-A (GB)
Title: Method of producing uranium pentachloride
IPC: C01G43/08
Filed: 1944-10-19
Abstract: Uranium pentachloride is formed by reacting chlorine with solid uranium tetrachloride at 520 DEG  to 550 DEG  C.; the chlorine may be entrained in a current of carbon tetrachloride vapour.  As shown in the drawing, uranium tetrachloride is placed in a portion of a reaction vessel 11 <PICT:0800731/III/1> surrounded by a tubular heater 12 and chlorine under pressure is passed from a vessel 23 through a container of heated carbon tetrachloride 19, whereby the vapours of the latter together with chlorine pass through pipe 17 and react with the uranium tetrachloride in the reactor 11.  The down stream end of the reactor is cooled by a jacket 13 which effects condensation of the major amount of the sublimed uranium pentachloride formed in the heated portion of the reaction vessel.
Patent GB-697620-A (GB)
Title: Improvements in or relating to metal tracks for roads and runways
IPC: E01C9/08
Filed: 1950-08-16
Abstract: 697,620. Paved metal roads; paving units. IRWIN, D. L. Nov. 14, 1951 [Aug. 16, 1950], No. 20356/50. Classes 87(i) and 107 A road or runway is composed of a number of metal units consisting of a sheet metal surface to the undersides of which are secured by their apices a number of sheet metal domes, the domes being directly secured 'together at their edges. The surface 1 is preferably corrugated as shown, with the apices of the domes 3 welded to the lowermost parts of the corrugations. The downwardly directed edges. 2 of the sheet carry locking means to co-act with those of other sheets and as shown these locking means comprise tubes 4 through which rods are passed to lock the tubes together. Additionally, locking plates 7 may be used, Fig. 5, and comprise plates 7 having a dbwnward peripheral flange and beading domes 6 which mate with the domes of the units as shown.
Patent GB-1463873-A (GB)
Title: Fluid flow control valve
IPC: F16K31/365
Filed: 1974-05-08
Abstract: 1463873 Valves PHOENIX VALVE MFRS (PTY) Ltd 8 May 1974 [8 May 1973] 20366/74 Heading F2V In a pressure reducing valve for a water supply, water enters through an inlet connection 30, passes through a filter screen 28, past an open non-return ball valve 22 and enters a chamber 38 bounded in part by the wall of a casing 12 and in part by a movable valve element 32 supported by a pair of rolling diaphragms 34, 36 which seal the valve element to the casing. The valve element comprises a main part 42 formed with two diametrically opposed slots 44. The upper end 46 is closed over and the diaphragm 34 is attached to it by a clamping ring 48. A loading spring 76 bears on the upper surface of the end 46. The lower end of the valve element is attached to the diaphragm 36 and has a bore 72, constituting the outlet of the valve, which co-operates with a closure member 68 attached to a cross-member 64 extending across the casing and passing through the slots 44. The diameter of the upper end of the valve element is made smaller than that of the lower end to allow for the area of the bore over which pressure is non-effective in controlling the opening of the valve. The upper end of the casing is closed by a cap 16 which entraps air to act as a cushion for the valve element. Alternatively, the volume of the chamber may be reduced by the introduction of a liquid by means not shown. By appropriate selection of the difference in diameter of the two valve parts subjected to inlet pressure it is possible to influence the backpressure at which the valve closes. By making the differences in area equal to the area of the bore 72 the valve becomes pressure-balanced and closes at a pressure independent of inlet pressure. By suitable choice of the difference in area the closing back-pressure needed can be made to rise or fall with increasing inlet pressure. In an alternative embodiment, Fig. 2 (not shown), the outlet bore is formed in the fixed cross-member and the valve element 32 carries the closure element 68. In a further embodiment, Fig. 3 (not shown), the loading spring operates at the other end of the valve element to bias it to a closed position and inlet pressure is fed to the cap 16 via a manually operated pilot valve (118) to open the valve. When this valve is closed pressure within the cap is allowed to drain away to the outlet via a variable throttle (122) to produce a slow closing of the valve.
Patent GB-499598-A (GB)
Title: Improvements in brakes for vehicles
IPC: F16D65/22
Filed: 1937-07-24
Abstract: 499,598. Internal - expanding brakes. BENDIX, Ltd., and IRVING, J. S. July 24, 1937, No. 20516. [Class 103 (i)] In a brake comprising one or more shoes that are applied to the interior surface of a drum, and in which each shoe anchors at one end or the other on a stationary abutment according to the direction of rotation of the drum, the shoe or each shoe, is applied by a pair of interconnected bell-crank levers mounted respectively on the shoe ends. Pairs of bell-crank levers 14, 16 are pivoted at 15, 17 on the ends of shoes 10, 11 and on each side of the shoe web. The levers mounted on each shoe are interconnected by thrust links 18. The slightly convex lower ends of the shoes engage radial surfaces 23 on abutments 22 mounted on a fixed casing 20 which contains a wedge or other expander actuating opposed tappets 24 of which the outer ends are slotted to pass the abutments 22 for engaging faces 25 on the levers 16. Adjustable abutments for the upper ends of the shoes and levers 14 comprise a pair of opposed plungers 27, slotted to receive the shoe ends and adapted to be separated by a coned stud screwing into the back plate. In applying the brake, force applied by the expander to the levers 16 is transmitted by the links to the upper levers 14 and the reaction on the pivots 15, 17 forces the shoes outwardly. With the drum rotating in the direction indicated, the lower end of shoe 10 and the upper end of shoe 11 then anchors on the abutment 23, 27 respectively. In a modification, each shoe has a pair of parallel webs and the levers are mounted between them. The lower ends of the webs are arranged to rock on the convex ends of a pair of opposed plungers that screw into a casing and are turned by a crown-wheel engaging pinions on the inner ends of the plungers. The upper ends of the webs carry trunnions which have radial faces adapted to engage similar faces on the ends of a fixed casing containing the expander, so that these ends can both rock and slide. The expander comprises balls or rollers housed in a plunger 61 and rolling on inclined faces of a pair of opposed tappets engaging the levers, the plunger being actuated by a pull rod 62 and mechanical connections or by a hydraulic piston 64 engaging an abutment 65 on the rod. Expanders may be provided at both ends of the shoes when it is desired to apply the brake by independent or interconnected means.
Patent GB-420543-A (GB)
Title: Improvements relating to magnetic iron alloys and method of manufacturing same
IPC: C22C38/00
Filed: 1933-07-21
Abstract: Magnetic iron alloys contain up to 0,03 per cent of carbon, over 0,5 and up to 2 per cent of phosphorus, up to 0,01 per cent of silicon, and up to 0,04 per cent of manganese, and are made by melting together pure iron, iron reduced without contact with carbon, or electrolytic iron and high-phosphorus carbonless iron such as high-phosphorus hydrogen-reduced iron, and removing impurities therefrom.  The melting may be effected at 1600-1700 DEG  C. Impurities such as aluminium, magnesium, and titanium may be present in minor proportions.
Patent GB-1380090-A (GB)
Title: Time-division switching exchange
Inventor: PERNA A
IPC: H04Q11/04
Filed: 1972-05-03
Abstract: 1380090 Automatic exchange systems SOC ITALIANA TELECOMUNICAZIONI SIEMENS SpA 3 May 1972 [18 June 1971] 20646/72 Heading H4K In a TDM, PBX, subscribers may be connected to either one of two highways under the control of two processors which are uniquely associated each with a particular highway. The processors normally work in synchronism in the sense that on an originating call request both are provided with the information that a line is looped and they each proceed to find an idle time slot on their respective highways, the first processor to find a slot informing the other accordingly. When the dialled digits have been processed by the self-selected processor they both then determine whether the called party is free by comparing his address with those in their respective calling and called party circulating memories. Provided there is no coincidence the first processor then controls the call. The subscribers are arranged in 25 groups GU each of 40 members U1-U40. Similarly translators T, junctors, operator sets O and tone receivers RTc are also arranged in groups. The members of a group are time multiplexed on to group highways such as R1 each of which is selectively connectible to either of the main highways H and Hx under the control of a processor. The time gates l1 &c. and the groupto-main highway gates l are operated synchronously during a call. The highways H and Hx are provided with individual tone generators Gt. Reverting back to the free/busy test of a called party, it will now be apparent that although a called party may be free, the particular time slot chosen for the calling party may already be in use (on the other highway H or Hx that is), by another member of the group to which the called party belongs. Consequently both processors hunt for a new time slot suitable for setting up the connection, the first processor to find a slot taking over control of the call as mentioned above. Line supervision is effected on a special signalling highway during a first time slot of each frame, more than one frame being used for processing purposes in the event that a line has changed its condition since the last scan.
Patent GB-214152-A (GB)
Title: Improved liquid meter
IPC: G01F3/38
Filed: 1923-08-14
Abstract: 214,152. Petersson, W. Aug. 14, 1923. Liquid-meters.-Relates to liquid meters hav. ing valves operated by a float to control the supply and escape of liquid to and from a measuring chamber, a registering apparatus, and means tc prevent premature closing of the outlet valve and opening of the inlet valve. The float 15 rides on a central hollow stem 6 terminating in a needle valve 7 and mounted in a measuring chamber 1 arranged within an outer chamber 3 and secured between that chamber and a box cover 5 containing the registering apparatus. A rod 26 is movable in the stem 6 and has crosspins 16, 17 projecting through slots in the stem. As the chamber 1 empties past the valve 7, the float descends against the pin 17, depressing first the rod 26 to a limited extent and then the stem 6 to close the valve 7 and also, through a rock lever 13, to open the inlet valve 11 for liquid supplied through a passage 10 to enter the chamber 1. The rising float finally contacts the cross-pins 16 to lift first the rod 26 and then the stem 6 so as to open the valve 7 and close the valve 11. Each movement of the rod 26 rocks an anchor 24 mounted on a fixed pivot 23 to release the tooth 22 of. an escapement 21 which then makes a half revolution under the action of a spring drum 28 acting through wheels 20. The rocking of the anchor is communicated by an arm 27, link 28, and crank 29 to a counter 30 visible through the cover. Premature closure of the valve 7 and opening of the valve 11 is prevented by a cam 35 on the escapement 21 engaging with a pivoted lever 33 engaging the stem 6 whereby the stem cannot descend until the float has opened the anchor and the escapement has moved under the action of the spring 'drum.
Patent GB-1213399-A (GB)
Title: Valve seat cutter
Inventor: APPLEBY HENRY HICKOX
IPC: B25B27/30
Filed: 1968-05-01
Abstract: 1,213,399. Valve seat cutter. NEWAY SALES Inc. 1 May, 1968, No. 20685/68. Heading B3C. A valve seat cutter comprises a pilot 12, Figs. 1, 2, a bush 22 rotatably mounted on the pilot and secured to a cutter head 21, and adjusting means 51, 62 for varying the depth of cut. A screw 51 is non-rotatable, but slidably located in a sleeve 41 by a pin-and-slot arrangement 54, 44, and co-operates with a calibrated nut 61 so that the axial distance that the screw can move relative to the pilot 12 can be varied by screwing up the nut. The ends 24, 26 of the head are of hexagonal shape and are adapted to engage the end 42 of. the driving sleeve 41. The cutter head is reversible so as to provide two cutting faces 27, 28, of different angles. In a modification, nut 72, Fig. 6, is fixed in bush 71, and the cutting depth is varied by screwing up screw 73. In a further modification, the driving sleeve 94, Fig. 7, is adapted to be fixed axially to bush 87 by screws 101, 102, which engage circumferential recesses 91, 92, and drives the bush through the hexagonal ends 88 or 89.
Patent GB-151447-A (GB)
Title: Improvements in discharging devices for magnesite, lime, cement, and similar vertical kilns
IPC: F27B1/20
Filed: 1919-08-23
Abstract: 151,447. Teale, J. W. Aug. 23,1919. Discharging.-A discharging- device for vertical or inclined lime &c. kilns consists of a rotary drum C fitted across the bottom of the kiln having peripheral cutting teeth D in conjunction with a pair of swing- ing gratings G, one on either side of the drum. The teeth D are arranged in staggered formation, and are shown alternately serrated and flat; they may be integral with the drum or in separated sections secured to it. The swinging gratings G, which are formed with toothed faces, are mounted on horizontal shafts J; they are connected by tie-bars L, on the ends of which are adjustable springs M urging the gratings towards the drum. The drum is usually formed of a series of wheels mounted on the shaft, but it may be in one piece. A pair or a series of drums may be used.
Patent GB-869932-A (GB)
Title: Improvements in and relating to cathode ray tube apparatus
IPC: H04N9/24
Filed: 1957-07-02
Abstract: 869,932. Colour television tubes. PHILCO CORPORATION. July 2, 1957 [July 3, 1956], No. 20852/57. Class 39(1). In a display tube, particularly a colour receiving tube of the "Apple" type, a number of indexing electrodes are spaced non- uniformly -so as to generate a constantfrequency indexing signal from a non-uniform scanning beam, the need to linearize the scanning waveform being thus eliminated. Thus a number of vertical indexing electrodes 25, Fig. 3, are arranged with a wider spacing at the left, the beginning of the scan, where the scanning speed is greater. The usual triplet of colour stripes are interposed between the electrodes which have a different secondary emissivity. A separate indexing beam may be employed. In a photographic method of making the screen light from a point source 28 is thrown through an inclined mask 29 provided with equally spaced lines 31 on to a diffusing plate 30 curved to correspond to the tube face. The resulting pattern is photographed at 34 and the resulting mask used for photographic reproduction of the screen in known manner.
Patent GB-730300-A (GB)
Title: Articulated transporter carriages for use in mining and the like
IPC: E21D9/12
Filed: 1952-08-20
Abstract: 730,300. Articulated transporter carriages for use in mining and the like; endless conveyers. HEIDEMANN, W. Aug. 20, 1952 [Aug. 20, 1951], No. 20953/52. Classes 78 (1) and 78 (4). In an articulated vehicle formed with a longitudinallyextending conveyer and for use particularly in mines, the side walls 4 of the articulated sections are substantially vertical and the side walls and floors of adjacent sections overlap. The rail vehicle illustrated has an endless conveyer comprising plates 5, Figs. 5 and 9, carried by axles 7 having rollers 8 which run on guides 9 and are propelled by a chain 6. The unloading end of the conveyer is upwardly inclined as shown in Fig. 3, and its inclination is adjustable. Vertical extension plates 16 and 23 are provided at the loading and unloading ends of the vehicle. The motor 12 which drives the driving pulley 11 of the conveyer through gears 13 may be provided with power from the batteries of a locomotive 2 or may be operated by compressed air. Adjacent sections of the vehicle are joined by couplings 15 having vertical pivots 28, Fig. 6, and horizontal pivots 25. Each section may be provided with a single pair of wheels at one end, the other end of the section being supported by the adjacent section; auxiliary pairs of wheels are then secured as shown in Fig. 3 when the sections are to be separated and carried in a mine hoist. The lateral edges of the plates 5 of the conveyer may be upturned and may fold over the plates on the return run of the conveyer. A scraper conveyer or an endless belt, which may be troughed or be supplemented by side belts at the lower edges of the walls and may have protruding driving strips to engage the material, may be used in place of the plate conveyer or, as a further alternative, a double-ended belt wrapped on to and from drums at each end of the train may be employed. Driving chains disposed in the track may replace the locomotive 2. In the arrangement of Fig. 1 material hewn from a coal seam 18 by a coal-cutting machine 19 is delivered by a transportable conveyer 20 to loading-machines 3, 30 which deliver 'the material to the vehicle described above. When loaded the vehicle is driven along rails to a transverse track where it unloads into tubs. Holes 31, Figs. 3 and 6, in the side walls serve to receive stanchions for carrying rails or lengths of timber.