baber/WOPTO huggingface dataset:
Patent GB-751659-A (GB)
Title: Paver
Inventor: PLAS RALPH JOHN
IPC: E01C19/48
Filed: 1954-05-07
Abstract: 751,659. Road paving machines. BLAW-KNOX CO. May 7, 1954, No. 13453/54. Class 107. A road paving machine comprises a frame 10 supported on steerable guide-wheels 11, intermediate wheels 15 and rear wheels 16, the two latter pairs being pneumatic tyred and of large diameter. A material receiving platform 24 is provided at the front of the machine and has rollers 27 to engage the wheels of a dumper truck and propel it whilst unloading. The material is carried by two independent conveyors 25 to the spreader screws 26 also independently driven. Arms 35 are pivoted to vertically movable blocks under control of hydraulic cylinders 34. Arms 35 carry a screed 37, having a tamper 39 in advance thereof. The screed and tamper are divided and may be set to a camber, or raised and lowered under the independent control of hydraulic cylinders (not shown). The tamper is vertically reciprocated by variable eccentric means (not shown). The feed of material from the platform 24 is regulated by gates 28 controlled by cylinders 31. Heating means 85 is provided for the screed. A power unit 22 drives the wheels 15, 16, tamper and spreader screws all under independent control.
Patent GB-290664-A (GB)
Title: Improvements relating to lead columns, pipes or the like
IPC: F16L9/04
Filed: 1928-05-08
Abstract: 290,664. Soc. Belge de l'Azote. May 20, 1927, [Convention date]. Metal pipes.-A lead pipe, column, &c., Fig. 1, of the kind used in the working of acids &c., is reinforced by removable leaded-iron rods 2 which are retained in longitudinal grooves on the pipe by leaded-bronze split clamps 3, the parts of the latter being held together by bolts 3<a> protected by lead caps 3<d>. A modified clamp for connecting such a reinforced pipe to a parallel pipe 4 is shown in Fig. 2. In order to hold temporarily two or more pipes &c. during application or removal of the reinforcement, wooden frames 3, Fig. 3, provided with spacing blocks 3g and supporting rods 3f are used. Specification 263,881 is referred to.
Patent GB-377635-A (GB)
Title: Improved circuit embodying a screened-grip valve
IPC: H03F1/54
Filed: 1932-05-12
Abstract: 377,635. Valve amplifying circuits. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, 13D, Emmasingel, Eindhoven, Holland. May 12, 1932, No. 13700. Convention date, May 28, 1931. [Class 40 (v).] A screening-grid 4 in a valve 1 is connected to the source 7 of anode potential through a resistance 8 and part 10, 11 of the impedance 6 in the anode circuit.
Patent GB-735306-A (GB)
Title: Improvements in or relating to dismountable structures for use in supporting shuttering in the construction of roofs and the like
Inventor: O'SULLIVAN EUGENE
IPC: E04G19/00
Filed: 1952-05-29
Abstract: 735,306. Shuttering for roofs &c. ON 'SITE EQUIPMENT, Ltd. May 28, 1953 [May 29, 1952], No. 13710/52. Addition to 707,971. Class 20 (2). Roof shuttering is supported on scaffolding 10 by upper frames 35 each comprising legs 36 connected by a cross member 37, the connection between the frames and the scaffolding when released allowing the frames to move downwardly in order that they and the shuttering 33 can be removed even when subject to pressure from the newly cast roof. The tubular legs 36 of the frames are supported and located coaxially above the tubular scaffolding uprights 311 by pins 38, Fig. 2, fitting inside them. Each pin is held in this position by a catch 44 pivoted in a member having a U-shaped part 40 and arms 41 and which rests nn ton nf an upright 311 and on which rests a leg 36. When the shuttering is to be removed the catches 44 are knocked away and the members 41 knocked laterally to remove the parts 40 from between the legs 36 and uprights 311 allowing the legs 36 of the frames to fall between the arms 41. A pin 47 may hold the pins 38 in place during assembly. The shuttering 33 is supported on tubular cross bars 34 resting on the upper frames 35 and the walls 30 of the structure on which a roof 31 is being constructed. The scaffolding 10 is that described in Specification 610,325. The manner of supporting the rods 34 and the canopy shuttering 48 on the walls 30 is described in the parent Specification.
Patent GB-1494429-A (GB)
Title: Cascade-connected transistor amplifiers
IPC: H01L29/80
Filed: 1975-04-03
Abstract: 1494429 Transistor amplifier SONY CORP 3 April 1975 [5 April 1974] 13757/75 Heading H3T A cascade amplifier comprising bipolar transistor stage Q, base-fed by input t, with the collector or emitter feeding directly the gate of FET output stage Q 2 , each stage being supplied through its respective load resistor R 5 , R 11  with operating voltage, employs a special bipolar device Q, having three regions alternating in conductivity type, each carrying an electrode (Fig. 1, not shown), and acting as emitter-base-collector, the first having a potential barrier spaced from the junction of first and second by less than the diffusion distance of minority carriers injected into the first region, and employing also a triode like FET. In the embodiments (Fig. 2, not shown) the third region of the bipolar device also carries a potential barrier, making the construction symmetrical. A.C. negative feedback through network R 1 ,R 9 , C 4 , C 5  modifies the frequency response for equalizing, particularly to correct recording (RIAA) preemphasis; D.C. negative feedback via decoupled R 8  stabilizes the bias of both stages. Gains of 60 db. in the first plus 20 db in the second stage are attainable with low noise.
Patent GB-560017-A (GB)
Title: Improvements in or relating to cathode ray type tuning indicators
IPC: H01J31/14
Filed: 1942-09-12
Abstract: 560,017. Wireless receiving apparatus. STANDARD TELEPHONES & CABLES, Ltd., CHATTERJEA, P. K., HOUGHTON, L. W., and SCULLY, C. T. Sept. 12, 1942, No. 13801/43. Divided out of 560,013. [Class 40 (v)] A tuning indicator of the cathode ray type is provided in the cathode circuit with a thermistor heated by the cathode current or by a proportion thereof so arranged that the cathode potential decreases with increase in negative potential applied to the grid and vice versa so that sensitivity over a wide range is obtained. The Figure shows a triode amplifier g1, p1, and an indicator g2, p2, and a thermistor T4 having a positive temperature co-efficient in the cathode lead. A common cathode may be used, Fig. 1 (not shown), or separate cathode and a further increase in sensitivity may be obtained by using separate control electrodes g2, g3, for the beam the second of which is fed from a potentiometer X7, T5, so that only a portion of the voltage is applied thereto. The potentiometer as shown comprises a fixed resistance X7 and a positive temperature co-efficient thermistor T5. The resistance X7 may be replaced by a negative temperature co-efficient thermistor and the thermistor T5 by a fixed resistance. Resistances may be connected in series or parallel with the thermistors to modify their characteristics.
Patent GB-851709-A (GB)
Title: Improvements in and relating to polyphase electric motors
Inventor: CLARK LEONARD JACK
IPC: H02K27/28
Filed: 1956-05-04
Abstract: 851,709. A.C. commutator motors. BRITISH THOMSON-HOUSTON CO. Ltd. April 25, 1957 [May 4, 1956], No. 13862/56. Drawings to Specification. Class 35. A polyphase series motor has a squirrel cage winding of resistance low enough to limit the no-load speed to a permissible value. This provides a substantially flat speed-torque curve, rising somewhat shortly before synchronism and then falling sharply. The squirrel cage bars may serve as slot wedges, or may consist of shortcircuited loops round individual teeth similar to that normally used to improve commutation but of lower resistance. Alternatively they may be arranged as described in Specification 208,222.
Patent GB-724602-A (GB)
Title: A centrifuge for de-watering of granular material
Inventor: HECKMANN WOLFGANG
IPC: B04B3/06
Filed: 1953-05-18
Abstract: 724,602. Centrifugal separators. KLOCKNER - HUMBOLDT - DEUTZ AKT. - GES. May 18, 1953, No. 13893/53. Class 23. In a hydro-extractor including a basket 1 which is simultaneously rotated and given axial oscillations, the basket is resiliently supported from its rotary drive shaft 8 which is journalled on the frame 5 of the extractor and the frame is resiliently supported from a foundation 28. The base 2 of the basket is engaged by springs 10, 11 in contact with collars 9, 12 on the drive shaft which is driven by belts from a motor 14. Rubber buffers 30 are provided on the collar 9. The springs which permit the axial movement of the basket also serve to transmit the driving torque. The axial movement is given to the basket by a motor 19, crank 18 and rod 20 resiliently connected to the hub 3 of the basket. The drive shaft rotates on roller bearings 6, 7 about a shaft 4 integral with the frame. Liquid discharged from the basket collects in a chamber 23 and is discharged by a pipe 34. Due to the axial oscillations the dried material discharges over the edge 24 of the basket, and is finally collected in a bunker 31.
Patent GB-544442-A (GB)
Title: Improvements in or relating to textile fabrics and articles embodying them
IPC: D03D23/00
Filed: 1940-09-07
Abstract: 544,442. Woven fabrics; aeroplane parts. DREYFUS, H., and FINLAYSON, D. Sept. 7,1940, No. 13969. [Class 142 (iv)] [Also in Groups VIII and XXXIII] A fabric suitable for the external surface of wings, fuselages, tail-planes, rear fins, rudders or other parts of aircraft comprises a number of layers 3 each consisting of a set of relatively heavy yarns 1 bound close to each other by relatively light threads 2. The waviness due to the woven structure of the layer is confined to the light threads, and the layers are secured together by an adhesive of low elasticity. The threads 1 or 2 of a particular denier in one layer may be arranged at right angles to the similar threads in an adjacent layer. The adhesive may be applied to the layers by a bath treatment, or by padding, spraying or spreading, and thermoplastic resins or proteins may be employed for this purpose. Alternatively cellulose esters or ethers or polymerised unsaturated artificial filament forming substances may be used. The heavy yarns, and the light yarns may be formed of regenerated cellulose stretched while in a softened condition so as to have a high tenacity. Alternatively high tenacity yarns of cellulose esters or ethers, or filaments of superpolyamides, or natural filaments such as cotton, wool, silk or linen may be employed. Articles such as aircraft parts may be made by applying the layers one after another to a mould to form a shell which may be secured to a prepared reinforcing structure such as a fuselage frame.
Patent GB-1107549-A (GB)
Title: Improvements in or relating to storage heaters
IPC: H05B3/66
Filed: 1966-03-30
Abstract: 1,107,549. Storage heaters. BAUKNECHT GEA ELECTROTECHNISCHE FABRIKEN G.m.b.H. 30 March, 1966 [17 April, 1965], No. 13979/66. Heading F4U. A storage heater comprises a heat store formed by a cover 5 and a core 1 and including a removable tubular one-piece electric heating element 3 which is formed with hair-pin bends and whose ends project upwardly through the cover. As illustrated the element is formed in a single plane and is pretensioned to grip core walls 7 which separate openings 6 containing the greater part of the element. The core has a peripheral air passage 12 and is formed of four pieces which touch along the plane of the element and along a plane 15. The heating element 3 may be attached to the cover 5. In another embodiment, Figs. 4-6 (not shown), the hair-pins of the element are located in three parallel planes and in openings which extend through the "core to form air flow passages. The inner passage is of circular cross-section and the outer two are of generally rectangular crosssection. The lower surface of the cover is recessed to allow air flow communication between the passages.
Patent GB-719261-A (GB)
Title: Improvements in combustion apparatus of the kind including a cyclone furnace
IPC: F23C3/00
Filed: 1952-06-04
Abstract: 719,261. Cyclone furnaces. BABCOCK & WILCOX, Ltd. June 4, 1952 [June 4, 1951], No. 14072/52. Class 51 (1) Combustion apparatus includes a cyclone furnace 1 with a substantially horizontal axis and a secondary furnace chamber 7 disposed in the gas flow path between the cyclone furnace and a radiation chamber 26, the wall 63 of the secondary chamber opposite the outlet 6 from the cyclone furnace being an accessible outside wall. The wall 63 is provided with an opening 13, closed by a door, opposite each cyclone furnace, the embodiment described comprising a row of four cyclone furnaces. In a modification a duct below each of two cyclone furnaces leads from a common secondary chamber to a common radiation chamber adjacent the rear ends of the cyclone furnaces. Specification 552,747 is referred to.
Patent GB-1416978-A (GB)
Title: Floatable oil fences
IPC: E02B15/04
Filed: 1974-03-29
Abstract: 1416978 Floating booms SUZUEI CO LTD 29 March 1974 [2 April 1973] 14184/74 Heading E1H A floatable oil fence comprises an inflatable hose I having a dorsal fin 2 and a ventral fin 4. The hose has at least one flexible partition 5 which extends between the fins to divide the interior of the hose into at least two parallel longitudinal chambers A and B.
Patent GB-597054-A (GB)
Title: Improvements in and relating to cover caps for instrument or mechanism casings, and to fastening means therefor
IPC: H02K5/22
Filed: 1945-06-06
Abstract: 597,054. Catches. BENDIX AVIATION CORPORATION. June 6. 1945, No. 14284. Convention date, May 5, 1944. [Class 44] (Also in Group XXXV] A cap fitted to the casing of a generator or other device and held thereon by a spring clamp has a skirt portion for holding the clamp distended when the cap is removed from the casing so that the clamp does not get in the way when the cap is re-fitted. As shown, the cap 2 carries springs 9, the ends of which engage a recess 15 in the cavity 13 when pressure is applied in the direction of the arrows A. In another form, apertures are provided near the free ends of the springs to engage projections on the casing.
Patent GB-350679-A (GB)
Title: New or improved appliances for playing a game
IPC: A63B67/06
Filed: 1930-05-09
Abstract: 350,679. Games ; hoops. WILLIAMS, N. H. E., 47, Windborough Road, Carshalton, Surrey. May 9, 1930, Nos. 14311 and 15897. [Classes 132 (ii) and 132 (iii).] Appliances for playing a game comprise a number of hoops that are constructed with bias and are bowled with the object of encircling one of a number of cones, pyramids, posts or the equivalent. As shown in Fig. 1, the hoops 1 are normally supported by a stand 3 and are bowled one at once from a position behind a rail 9 with the object of encircling one of a number of pyramids P having different scoring values. The rail 9 may be formed of trellis, cable, rope or fabric, or of a bar hinged at one or more places intermediate its ends, and is supported at its ends by the stand 3 and an upright 7, either or both of which may be provided with a groundanchor. The hoops may be formed with one side 1a, Fig. 3, of larger diameter than the other, or of wood with metal 2, Fig. 4, inlaid at one side, or of two metals of different densities. The pyramids P, Fig. 1, are each formed of two triangular frames 17 hinged at their apexes and connected by a hinged strut 19. Alternatively, the objective may comprise a pyramid, Fig. 9, formed of four hinged sheet-metal triangles 11, one hinge-pin 14 being removable, or four or more rods 23, Fig. 13, hinged to the top of a spiked post 21 and connected by pivoted struts 24 to a sleeve 25 slidable on the post, or a collapsable cone of sheet material, Fig. 16, or a peg, Fig. 14. The objectives may be divided into zones to indicate different scores in cases where the hoops rest on the objective or completely encircle it.
Patent GB-1075045-A (GB)
Title: Oxidation of chromium-contaning alloys
Inventor: BROOKOVER GEORGE BUCHANAN
IPC: C23C8/02
Filed: 1966-03-31
Abstract: Chromium containing surfaces, e.g. Cr-Fe and Cr-Ni-Fe alloys which are to be sealed to glass, are oxidized, then reduced in dry hydrogen, and finally oxidized.  Oxidation takes place in wet hydrogen, and nitrogen is used to flush the atmospheres between each step.ALSO:A chromium containing surface, e.g. Cr-Fe and Cr-Ni-Fe alloys which are to be sealed to glass, are oxidized, then reduced in dry hydrogen, and finally oxidized.  A glass composition comprises (%) 58.9 SiO2, 10.3 PbO, 4.2 Al2O3, 5.8 CaO, 2.1 MgO, 1.2 BaO, 7.7 Na2O, and 9.2 K2O and matches the thermal coefficient of expansion of two of the alloys disclosed.
Patent GB-320614-A (GB)
Title: Improvements in friction meters
IPC: G01N19/02
Filed: 1928-05-16
Abstract: 320,614. Wells, J. H. May 16, 1928. Testing friction.-Consists in continuously rotating a test piece having a flat surface in one plane, while it freely supports a second test piece, having a similar surface loaded by a force applied along the normal to the plane of rotation, the angular movement of the second test piece being restrained by the torque exerted by a filar suspension. A shaft 5 is mounted to rotate in bearings 6, 7 arranged in a tube 8 rigidly mounted on a base plate 1. The shaft may be driven from a motor 3<a> by a detachable drive. A head piece 9 carried by the spindle 5 is adapted to receive an annular test piece 10 having a narrow circular test face. A second test piece 11 is detachably mounted in a head 12 having gimbal mountings 13 which gimbals support a lower head 14 provided with graduations 15 to co-operate with a fixed index 16. From the head 14 is suspended by three flexible wires 19 a loading ring 20 upon which further loading rings 21 may be placed. Screws with milled heads serve to adjust the wires. This ring 20 is prevented from rotation by three arms 22 engaging guides 24. Depending from the head 14 is a tube 26 supporting a dead weight 27 upon which further weights 28 may be placed. With the test pieces in place-the space 29 may be flooded with oilthe motor is stated so that the test piece 10 is rotated dragging the head 12 round with it under an increasing torque due to the weights 20, 21 applied through the filar suspension. When equilibrium is attained the angular displacement of the head 14 read on the scale 15 is a measure of the frictional torque. The torque could equally be given by the lift of the weights 20, 21. A thrust bearing of the Michell type may be used instead of the blocks 10, 11.
Patent GB-1171222-A (GB)
Title: Improvements in or relating to Curdled-Milk Products
Inventor: FITZPATRICK HUGH JAMES
IPC: A23C9/123
Filed: 1967-03-29
Abstract: 1,171,222. Curdled milk product. H. J. FITZPATRICK (Scotter A.S.). 29 March, 1967, No. 14416/67. Heading A2B. [Also in Division C6] A method of manufacturing a curdledmilk product comprises fermenting skim milk with an acidifying bacterial culture to produce a mixture of fermentation substance and whey, removing the whey from the mixture, and fermenting the residue with an acidifying bacterial culture. Fermentation souring of the skim milk may be carried out over a period of 16-18 hours at 19‹-23‹C. following the addition of an acidifying bacterial culture in a quantity of 2-5 volumes per 100 volumes of skim milk, the bright, glossy coagulum produced is broken up or comminuted, the pieces are gently heated initially at a rate of not more than 6-8‹ C. per hour during the first hour after which the heating is accelerated, and when the fermentation carbon dioxide has raised the coagulum to the whey surface, the whey is drawn off up to half the original volume of the skim milk. Alternatively fermentation of the skim milk is continued until commencement of coagulation, usually after 2-8 hours at 20‹-30‹C., following the admixture of 10-20 volumes of the acidifying bacterial culture per 100 volumes of skim milk, whereupon the mixture is stirred thoroughly but gently at intervals of a few minutes until all the fermentation substance precipitates, and the whey which now occupies approximately the upper half of the volume of the mixture, is removed. Fermentation of the residue is initiated by admixing therewith 2 volumes of fresh acidifying bacterial culture for each 100 volumes of skim milk originally employed, homogenizing the mixture, chilling to 12‹-14‹C. and then storing in cartons at approximately 50‹C. for 8-16 hours. A culture of Streptococcus lactis and Leuconostoc may be employed. Cream may be added in the second fermentation. The curdled-milk product typically contains 3 per cent fatty substance and 11 per cent dry substance excluding fat, and has a pH of 4.5 and a viscosity of 12,000-20,000 c.p.s. (Brookfield).
Patent GB-563338-A (GB)
Title: Improvements in and relating to selenium rectifiers
IPC: H01L21/108
Filed: 1943-09-03
Abstract: 563,338. Asymmetrically-conducting resistances. KOLB, O. K., and STOCKEL, O. F. C. Sept. 3, 1943, No. 14448. [Class 37] To provide improved rectification, the selenium layer in a rectifier has incorporated in it oxygen compounds of a halogen, preferably iodine pentoxide, in a proportion of from 0.05 to 0.5 per cent.
Patent GB-645098-A (GB)
Title: Improvements relating to apparatus for the treatment of grass, or other vegetable matter
IPC: B02C13/09
Filed: 1948-05-28
Abstract: 645,098. Crushing apparatus. GOODALL, C. May 28, 1948, No. 14455. [Class 59] Grass and the like, preparatory to drying and storing, is bruised by passage between rotary beaters h and the corrugated inner wall of a drum a. Each beater is curved at the end, terminating in a sharp corner i. Either the beaters or the corrugated lining d is made of resilient material. The passage for the grass decreases progressively in width towards the exit c.
Patent GB-352625-A (GB)
Title: Improvements in or relating to petrol or petrol and oil tanks of the kind used on motor cycles
IPC: B62J35/00
Filed: 1930-05-12
Abstract: 352,625. Tanks. BIRMINGHAM SMALL ARMS CO., Ltd. and MILLS, J. A., Armoury Road, Small Heath, Birmingham. May 12, 1930, No. 14510. [Class 69 (i).] A petrol &c. tank is secured to the frame of a motor-cycle &c. by means of bolts which are disposed in elongated slots 7 in channelled members 6 fixed to the concave underside 1 of the tank, the heads 9 lying in the channels and preventing turning movement of the bolts.
Patent GB-1457315-A (GB)
Title: Stringer structure for slide fasteners
IPC: A44B19/34
Filed: 1974-04-02
Abstract: 1457315 Sliding clasp fastener stringers YOSHIDA KOGYO KK 2 April 1974 [4 April 1973 (2)] 14578/74 Heading E2S A stringer for a slide fastener comprises a tape 10 of non-woven textile material folded about a longitudinal axis, an elongate flexible core 11a enclosed within the folded edge 14 of the tape, and a row of fastener elements 13 anchored to the folded edge of the tape in such a manner that the core is retained in position solely by the securing arms 12 of the respective fastener elements, the core 11a including a portion 15 projecting from between the securing arms of the respective fastener elements. The core 11a may be formed of twisted, or woven, together yarns, or threads, the securing arms 12 of the elements 13 being clinched over the folded edge 14 and then compressed together. The core 11a may initially be of round cross-section and of sufficient size to form the ridge 15 when compressed. In another arrangement the core is of generally flat cross-section.
Patent GB-1522534-A (GB)
Title: Ground-fault detection system
IPC: H02H3/347
Filed: 1976-04-09
Abstract: 1522534 Detecting earth leakage R C H CORPORATION 9 April 1976 [22 April 1975] 14606/76 Heading H2K In an earth leakage protection system utilizing a sensor 21 to detect any unbalance in the currents in power supply conductors 13-15, a high frequency signal is induced (18) into the neutral conductor 13 in the event of a neutralto-earth fault and the output of the sensor 21 is supplied to a synchronous detecting arrangement 24, 25 responsive to signals at both the high frequency and mains frequency. An oscillator 19 is coupled to a transformer 18 to induce the high frequency in the neutral. The sensor 21 may be a core balance transformer coupled to two switches 24, 25 synchronized with the mains and the oscillator 19 respectively.