baber/WOPTO huggingface dataset:
Patent GB-817717-A (GB)
Title: Improvements in or relating to electronic amplifiers
IPC: H03F3/44
Filed: 1957-01-10
Abstract: 817,717. Valve amplifying circuits. LYONS, W. Oct. 23, 1957 [Jan. 10, 1957], No. 1061/57. Class 40 (6). A high-gain amplifier comprises a first stage V1, V2 of cascode type followed by a second cathode-follower stage V3. The cathode-follower V3 is direct coupled to the anode of the valve V2, the anode load of which comprises resistors R4, R5 in series with their common point held, for A.C., at the cathode potential of the valve V3 by means of condenser C3.
Patent GB-1092042-A (GB)
Title: Rotatable spool fishing reel
Inventor: MORRITT KENNETH PATRICK
IPC: A01K89/015
Filed: 1965-01-11
Abstract: 1,092,042. Fishing reels. K. P. MORRITT Ltd. Jan. 11, 1965, No. 1116/65. Heading A1A. The spool 4 of a fishing reel may be disengaged from the driving handle by a control knob 56, but is re-engaged upon rotation of the handle in the sense for winding in the line. The spool, which may be of resin-bonded fibre glass, is mounted by ball bearings on stub axles 2, 3 (Fig. 2). At one side, the spool carries vanes 7 to form an air brake, and an adjustable friction brake 10 is also provided. At the other side is the spool driving mechanism (Figs. 1 and 3) including a dog clutch having a part 21 attached to the spool and an axially slidable gear wheel 31 which is driven by the handle 82 through frictionally engaged ratchets 81, 85 and a gear wheel 87 The ratchets 83, 85 may .be acted on by a non-return and a check pawl respectively and the frictional contact between the ratchets may be adjusted by a handle 89. The -clutch is disengaged by moving the knob 56 and thus rotating a control member 50 to the broken line position (Fig. 1) thus causing angled ear portions 52, 53 to move a forked plate 36 to the right (Fig. 3), the prongs of the fork engaging a recess in the gear 31. At the same time, a flanged projection 54 on the member 50 engages a recess 66 in a pusher plate 71 and moves the latter into the broken line position (Fig. 1) ,  thus bringing it into the path of a stud 79 on a rotary flange 80 fast with the driving handle shaft 81. The plate 71 is mounted on a pivot 76 which owing to a spring 74 is normally located at the angle between slots 72, 73. If the flange 80 is rotated by the handle in direction B (Fig. 1), the stud 79 merely moves the plate 71 out of its way, this movement being permitted by the slot 73. If, however, the driving handle is rotated in the opposite, winding-in direction A, the stud 79 pushes the plate 71 upward in the direction of slot 72, thus acting on projection 54 to return the member 50 to the clutch-engagement position. A coil spring 62 acts to retain the member 50 in either of its two positions.
Patent GB-992171-A (GB)
Title: Tape threading facilitation device
IPC: G11B15/32
Filed: 1963-01-10
Abstract: 992,171. Controlling friction clutches. INTERNATIONAL BUSINESS MACHINES CORPORATION. Jan. 10, 1963 [Jan. 10, 1962], No. 1173/63. Headings F2C and F2L. [Also in Divisions B6, G2 and G5] A sprocket 12, Fig. 5 (not shown), in web feeding apparatus (see Division B6) is mounted on a shaft 100, Fig. 6, driven through a spring clutch 104. A solenoid 106, when energized, swings a clutch lever 108 about a pivot 110 to engage the clutch 104. A bifurcated lever 112, pivoted at 114, carries a pin 116 which engages the teeth 120 of a ratchet wheel 118 on the shaft 100 under a spring bias 122. Another pin 124 carried by the lever 112 engages the clutch lever 108 to disengage the pin 116 when the spring clutch 104 is engaged. Mounted on the bed 2 of the apparatus is a solenoid 126, Figs. 6, 7, operative when energized to swing a hooked-shaped lever 128 about a pivot 130 from a position (Fig. 7) in which the swing of the clutch lever 108 is limited to allow only the disengagement of the pin 116 from the teeth 120, to a position clear of the path of the clutch lever 108 to allow disengagement of the pin 116 and engagement of the clutch 104. When the web reel is placed on the winding hub of the apparatus, a switch 76, Fig. 10, is closed. Closing manual switch 132 will energize solenoids 126 and 106 through the normally closed switch 90, thus engaging the clutch 104. A clutch mechanism 40, Fig. 8, applies a continuous torque either high or low depending upon the condition of the clutch mechanism which tends to wind up the web reel when in position on the hub. The clutch mechanism includes two clutch springs 42 and 43 which when engaged cause the shaft 14 to be driven with a high torque from the constantly driven shaft 41. A pin 44 extends through a hole in a ring 45 and engages the clutch spring 43. The ring has, a crown of teeth 46 coacting with a detent 47, Fig. 9, normally biased to engagement by a spring 48. In this condition, the ring is stopped and the spring 43 is expanded and released. The shaft 14 then has only a low torque applied thereto through the spring 42. A solenoid 49 when energized, retracts the detent 47 which causes the spring 43 to engage and the shaft 14 to have a high torque applied thereto. With the switch 160, Fig. 12, held closed the circuit is completed through the solenoid 49 and normally close switch 92 thereby applying a high torque to the web reel.
Patent GB-304461-A (GB)
Title: Drums for high pressure boilers
IPC: F22B37/22
Filed: 1928-01-13
Abstract: 304,461. Horsman, H. S. Jan. 13, 1928. Drums.-A high pressure boiler drum is made from a solid ingot and is formed with one or more annular ribs, enlargements or swellings for receiving suspension members or for the attachment of fittings. The drum 1 has annular ribs 2, 3 arranged in pairs to form grooves 4 in which suspension members are placed. A drum is made from a billet which is bored longitudinally and then forged and pressed to the required shape.
Patent GB-413332-A (GB)
Title: Improvements in or relating to the manufacture of copper alloys
IPC: C22C9/06
Filed: 1933-01-13
Abstract: An age-hardenable copper alloy containing 4-10 per cent nickel and 1-3 per cent aluminium, the ratio of nickel to aluminium being about 3-4 to 1, is made by adding an alloy consisting of about 3-4 parts nickel and 1 part aluminium to copper or an alpha copper alloy such as alpha brass or bronze.  The manufacture of an alloy consisting of 92,5 per cent copper, 6 per cent nickel, and 1,5 per cent aluminium is described, the alloy being then hardened by quenching from 900 DEG C., re-heating for two hours at 500 DEG  C., and cooling.  The primary nickel-aluminium alloy is preferably added in the form of small lumps, granules, or powder to the molten copper or copper alloy.  Specifications 401,313, 401,314, and 402,796 are referred to.
Patent GB-382813-A (GB)
Title: Improvements in protectors for the ends of fiber tubes
IPC: B65H75/18
Filed: 1932-01-15
Abstract: 382,813. Protecting cylindrical objects. INTERNATIONAL PAPER CO., 220, East 42nd Street, New York, U.S.A.- {Assignees of Lippitt, H. ; Lynn, Massachusetts, and Bebie, E. W. ; Hawthorne, New Jersey, both in U.S.A.) Jan. 15, 1932, No. 1285. Convention date, June 27, 1931. [Class 94 (i).] A protector for the ends of a core 1 of a paper roll, or other fibre tube, consists of a sheet metal stamping having a body portion 3 provided with a finger opening 4, a conical portion 6 connecting the portion 3 to a cylindrical portion 7, a flange 8 to protect the end of the core, and a number of integral tongues 9 adapted to penetrate the core slightly to prevent accidental removal. The opening 4 is provided with a beaded edge 5 to prevent injury to the operator.
Patent GB-1271981-A (GB)
Title: Improvements in and relating to electrical insulating oils and to electrical apparatus incorporating them
Inventor: ANDERSON JOHN KENNETH
IPC: H01B3/22
Filed: 1969-01-09
Abstract: 1,271,981. Insulating oils. BRITISH INSULATED CALLENDERS CABLES Ltd. 9 Jan., 1970 [9 Jan., 1969], No. 1298/69. Heading C5F. A non-gassing insulating oil comprises 1-50 wt. per cent of a residually unsaturated alkene polymer, derived predominantly from an alkene or alkenes having 3-5 carbon atoms (or a mixture of such polymers) and having an average molecular weight of 100-900, and 99-50% of a hydrocarbon oil having a viscosity of 20 centistokes or less at 20 C. Suitable polymers are those of propane, butene and/or amylene and can contain units derived from ethylene. The hydrocarbon oil is either a naphthenic or a mixed naphthenic-paraffinic oil with a low content of aromatics. The insulating oil is used in oil filled cables having internal oil channels in paper insulated power cables or to impregnate porous or laminated electrical insulating materials.
Patent GB-875041-A (GB)
Title: Producing alkyl isophthalates or alkyl terephthalates
Inventor: NEWMAN ERNEST CHARLES
IPC: C07C69/80
Filed: 1959-01-14
Abstract: Dialkyl iso- and tere-phthalates are prepared by heating together a mixture consisting of an acid esterification catalyst and a slurry of isophthalic or terephthalic acid in the alkyl isophthalate or terephthalate respectively, heating the mixture with an alkanol and recovering the ester from the product.  In an example isophthalic acid is slurried in dimethyl isophthalate with sulphuric acid as catalyst, the mixture stirred and heated and methanol added.  The product is stirred with caustic soda solution, washed until neutral and dried.  The result obtained is compared with that using dimethyl phthalate as slurrying medium.
Patent GB-250675-A (GB)
Title: Improvements in or relating to the manufacture of poultry and animal foods from waste and condemned foods and other food refuse
IPC: A23K1/10
Filed: 1925-01-16
Abstract: 250,675. Lewis, J. Jan. 16, 1925. Food for animals and poultry.-Waste or condemned food from restaurants and households is sorted and passed into disintegrators 2 where it is converted into a conglomerate mass. The material is agitated in a mixer 3 while wet steam is injected into it to warm it and it is then elevated into a rotating cylindrical screen 5. Here it is treated with jets 6 of boiling water by which free starchy matters in conjunction with free fatty matters are removed by being washed through the screen, the perforations of which are approximately one-sixteenth of an inch. The material passing from the screen falls into a guiding hopper 10 whence it passes to centrifugal extractors 11 that are of a balancing type and that rotate at a speed of 800 revolutions a minute to exert a pressure of 40 Ibs. per sq. inch on the material while in the basket. Steam pipes 13, 14 are fitted inside and outside the basket so that jets of high pressure steam can play on the material during centrifuging. The semi-dried material passes to a sump 17 and then through a hopper 18 into a drier 19 where it is subjected to a temperature of 1000‹ F. obtained by the use of a superheater 25. The dried material is carried by a cooling conveyer 22 to storage bins 23 where it is pulverized or screened. The fatty moisture passing through the cylindrical screen 5 and obtained from the centrifuging is conveyed to a sump 9. Specification 198,304 is referred to.
Patent GB-704293-A (GB)
Title: New or improved method of and or apparatus for sorting and separating bodies of various shapes and/or mobility from mixtures
IPC: B07B13/00
Filed: 1952-01-18
Abstract: 704,293. Separating solid materials. MOORE. A. S. Jan. 19, 1953 [Jan. 18, 1952], No. 1448/52. Class 117 Apparatus for sorting and separating bodies of various shapes and mobilities comprises an inclined plane whose lower end is horizontal or reversely inclined, and a reversely inclined plate spaced from the lower end of the first inclined plate. Mixed peas and beans pass'from a hopper 27, Fig. 1, on to an inclined plane 13 through a gate 29, Figs. 2, 4, the height of whose openings is adjustable by a bar 30 to allow but one pea or bean to pass an opening at a time. The spherical peas roll down the plane and acquire a velocity sufficient to carry them over the gap x, and up and over the brake plate 14 to fall into a hopper 25a. The non-circular beans fall through the gap x, either from plane 13 or after sliding back from the brake plate 14, into a hopper, or, as shown, on to another inclined plane for further separation. A series of such inclined planes is shown in Fig. 1, the non- spherical beans finally falling into a conduit 26a. The inclined planes 13 are adjustable about pivots 15 by slotted plate 16 and pin 17, Fig. 2, and the brake plates 14 are similarly adjustable. The inclined planes 13 terminate in a horizontal or reversely inclined portion 13a, Fig. 2.
Patent GB-1514146-A (GB)
Title: Electric device provided with a metal vapour discharge lamp
IPC: H01J61/54
Filed: 1977-01-14
Abstract: 1514146 Metal vapour lamps PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES LTD 14 Jan 1977 [19 Jan 1976] 1494/77 Heading H1D In a metal vapour lamp with main electrodes 15, 16 in a discharge tube 3, external starting electrode 20 opposite some point between the main electrodes and covering not more than 10% of the main electrode gap is fed from the tapping of a voltage divider across the main electrodes including a temperature sensitive resistor so that in operation the voltage between the starting electrode and the gas opposite is not more than 20% of the drop across the main electrodes. In a double walled Na lamp with alumina discharge tube 3 within outer tube 1 containing a voltage divider made up of positive TC resistor 17 and fixed resistor 19, starting electrode 20 is clear of the discharge tube and below its mid-point: before start resistors 17, 19 are 2 x 10<1> and 1 x 10<5> ohm, after running 2 x 10<5> and 1 x 10<5> ohm, causing the potential of 20, at 1/3 of the 105V arc drop above electrode 15, to match within 5V that of the opposing gas, so reducing ion attack. Negative or positive TC, or mixed, resistors may be incorporated in the divider.
Patent GB-1421852-A (GB)
Title: Underfloor wheel set turning machines
IPC: B23B5/32
Filed: 1973-01-11
Abstract: 1421852 Wheel-set lathes and supports WILHELM HEGENSCHEIDT GmbH 11 Jan 1973 [31 Jan 1972] 1500/73 Headings B3T and B3B An underfloor wheel-set profile turning machine, for machining the rims of wheels 150 of a rail vehicle wheel set when installed in such vehicle comprises a supporting arrangement for each axle bearing box 131 of the wheel-set arranged to hold the box in the three orthogonal directions, for example, by screw fed struts 35, 151 and 152, Fig. 1, two of which 151, 152 may be replaced by one 127 at 45 degrees, Fig. 3, and the other 35 by a flange supporting roller 156. Each wheel 150 is frictionally driven by a drive wheel 11 arranged below the horizontal plane through the wheel set axis and with its axis on one side of the vertical plane through the wheel set axis. The drive wheel 11 is carried by a lever 5, Fig. 5, pivoted at 3 to move in a plane parallel to the plane through the wheel rim and perpendicular to the wheel set axis; a lever plane in which the pivot axis and the drive wheel axis forms an angle greater than 100 degrees with the axle plane in which lie the axes of the vehicle wheel and the driving wheel. A lathe tool 83, Fig. 8, is located on the other side of the vertical plane to the drive wheel 11 and the direction of rotation of the drive wheel, together with the relative arrangement of drive wheel, lever and tool being such that an increase in the metal chip cross-section removed by the tool results in an increase in the contact force between the drive wheel and the vehicle wheel. In operation, the vehicle is moved along rails 107 until it is positioned as shown in Fig. 15 and drive wheels 11 are pivoted upwardly on levers 5 by fluid pressure cylinders 30, to contact and raise pivotable rails 102 carrying the wheelset. Adjustable aligning members 48, 49, Fig. 5, are raised on carriages 47 to contact the wheel set flanges to align the wheel set horizontally. Struts 151, 152 and 35 are brought into engagement with the bearing boxes, cylinders 30 are retracted and rails 102 pivoted downwardly and sideways about pivot 101, rails 110 are retracted along its support 111 and carriages 4 are lowered. Cylinders 30 are again extended so that drive wheels 11 can contact and drive the wheels 150. Each tool 83 is brought into engagement with the wheel rim by a supporting arrangement comprising a sliding carriage 62 and a sliding carriage 80 slidable along a lever 71 pivotally mounted on carriage 62. Radial movement of the tool on carriage 80 relative to the wheel 150 is controlled by a template and follower arrangement 84-97.
Patent GB-130356-A (GB)
Title: Improvements in or relating to Devices or Instruments for Indicating the Rate of Ascent or Descent of Aircraft.
Inventor: SHORT HUGH OSWALD
IPC: G01L19/08
Filed: 1918-01-26
Abstract: 130,356. Short, H. O. Jan. 26, 1918. Differential speed indicators.-Apparatus for indicating the rate of ascent or descent of aircraft comprises a hand 2, moving, in accordance with the consequent variations in atmospheric pressure, over a dial 1 graduated in thousands of feet, combined with a co-axially mounted hand 11 which is driven through change gearing from a clock, the gearing being adjusted until the two hands rotate together. Adjustment of the gearing moves a graduated ring 26 past a fixed pointer 28, the ring being marked to show rate of ascent &c in hundreds of feet per minute. Movement of the dial 1 to set the pointer 2 to zero is effected through a milled head 9, a pinion on which engages teeth on the circumference of the dial. A longitudinally-movable milled head 14 is provided to set the hand 11 or wind the clock. Rotation of the hand 2 is effected by a vacuum chamber 3 through link connexions and a cord 6 passing over a drum 7 on the shaft of the hand. The variable gear comprises a roller 21 mounted to slide between disks 18, 19 secured respectively on a clock-driven shaft 17 and on the axle of the hand 11, movement of the roller being effected by a screw 24 engaging a thread in the interior of the shaft 22 carrying the roller. The shaft 24 is driven through bevel-gearing from a shaft 32, a pinion 31 on which is engaged by internal teeth on the ring 26 rotated by a pinion on a milled head 29. By arranging the disk 18 so that the roller is able to pass across the centre thereof, the speed of descent may be indicated.
Patent GB-791714-A (GB)
Title: Two-stroke cycle internal combustion engine
IPC: F02B25/00
Filed: 1956-01-17
Abstract: 791,714. Motor power plant. AUGUST, P. Jan. 17, 1956 [Jan. 31, 1955], No. 1546/56. Class 110 (3). [Also in Group XXVII] In a two-stroke crankcase compression engine, an air-charging cylinder 15 is provided, the piston 16 of which is connected by a rod 17 to a crank-pin 10 on a crank-shaft 5 operated by a power piston 4 and lags 60 to 120 degrees of crank angle behind the piston 4, steam or hot air taken from the cooling system being admitted to the cylinder 15 which thus acts as a power cylinder. Opposed cylinders 1, 2 are shown, air being admitted to a common crankcase by inlets 11, 12, compressed by pistons 3, 4, 16 and transferred to combustion chambers bv passages 13, 14. Cooling water or air enters annular chambers 21, 22 about each cylinder 1, 2 and their cylinder heads and receives heat also from the engine exhaust which flows through a chamber 29 on its way to an outlet 31. The steam or hot air thus produced passes into the cylinder 15 through pipes 32 and is exhausted at 33. The exhaust may pass through a condenser 34 and be returned to the chamber 22 by a pump 35.
Patent GB-606794-A (GB)
Title: Improvements in or relating to tuning means for electron discharge devices
IPC: H01J25/12
Filed: 1943-01-29
Abstract: 606,794. Electric resonators. SPERRY GYROSCOPE CO., Inc. Jan. 29, 1943, No. 1588. Convention date, Jan. 29, 1942. [Class 40 (viii)] [Also in Group XL (a)] Tuning means for the cavity. resonator 9, Fig. 1, of a reflex velocity-modulated tube comprises a kinematically pivoted lever 43 interposed between the two relatively movable wall portions 10, 13 which are urged together by springs 42'. The lever 43, Fig. 3, comprises two arms 46, 47 at an angle and stiffened by the web 44, the shorter arm 47 having on its bottom surface a hole and slot bearing 50, 51 engaged by pins 48, 49 on flange 30, and on its top surface a conical bearing hole 45 engaged by strut 41 bearing on flange 29. Flanges 29, 30 are secured respectively to fixed wall 13 of the resonator and re-entrant wall portion 10, which is movable by virtue of flexible resonator wall 11. Moving the lever 43, by means of micrometer screw 54 bearing against its longer arm, acts on strut 41 to cause flanges 29, 30 to rock about fixed struts 39 and alters the relative spacing of grids 8, 14 and hence the resonator frequency. The struts 39, 41 may be of an alloy of low or zero expansion coefficient. Specifications 606,802, [Group XL (a)], and 608,803 are referred to.
Patent GB-122872-A (GB)
Title: Improvements in and relating to the Manufacture of Wooden Bottle Stoppers, Plugs, or the like Wooden Closures for Receptacles.
Inventor: FORSHAW JOHN
IPC: B27K3/34
Filed: 1918-01-28
Abstract: 122,872. Forshaw, J. Jan. 28, 1918. Stoppers, making.-In the manufacture of wooden stoppers, plugs, or like closures for bottles or receptacles by treating the wood of the stopper with heated paraffin wax or similar material, the wood is heated either before or during the treatment, and the wax is forced into the wood under pressure. The previously - heated wooden plug 4 from which the stopper is subsequently fashioned is placed over the open end of a receptacle 1 supplied with melted wax by a pipe 2, and the wax is forced into the longitudinal pores, of the plug by means of a plunger 3. Or the plunger may be stationary and the receptacle movable. The receptacle may be provided with a heating- jacket 6, and the supply of wax may be regulated by a valve operated by the plunger 3. Reference has been directed by the Comptroller to Specifications 77/78 and 9239/03.
Patent GB-1446593-A (GB)
Title: Endoprosthetic ankle joint devices
IPC: A61F2/42
Filed: 1973-01-12
Abstract: 1446593 Endoprosthetic ankle joints NATIONAL RESEARCH DEVELOPMENT CORP 3 Jan 1974 [12 Jan 1973] 1789/73 Heading A5R An endoprosthetic ankle joint, Figure 1, comprises a metallic tibial component 10 in the form of a rectangular block having a closedended substantially V-shaped trough 12 with a part-cylindrical concave surface 12a, rectilinear edge surfaces 12b and planar end surfaces (12c), Figure 2 (not shown), orthogonal to the longitudinal axis; and a plastics talar component 20, Figure 4, having a convex surface 22 generally complemetary to that of tibial component 10, but wherein the included angle of the rectilinear edge surfaces 22b is less than that of the rectilinear edge surfaces. 12b, the faces of the components opposite to the curved surfaces, being relieved by a platform 13 and studs 14, and by grooves 24, to provide keys for acrylic cement for attaching to the tibia and talus. In a second embodiment (Figs. 7, 8 not shown) the concave and convex surfaces are entirely arcuate and pivoting of the talar component relative to the tibial component is limited by longitudinal flanges on the talar component, extending laterally from the longitudinal edges of the convex surface, engaging the tibial component at the two extreme positions. The range of angular movement of the joint may be from 50‹ to 70‹. In a modification, Figure 9, the planar end parts 212c of the trough are outwardly inclined and the surfaces 212a, 222a curved in a longitudinal medial plane, with the tibial component having a curvature less than that of the talar component to allow further articulation in a direction orthogonal to the first.
Patent GB-120673-A (GB)
Title: Improved Cosmetic or Toilet Cream.
Inventor: LUCENA ETHEL SUSAN
IPC: A61K8/92
Filed: 1918-02-01
Abstract: 120,673. Lucena, E. S. Feb. 1, 1918. Cosmetics.-A cosmetic consists of 1 oz. each of spermaceti, white wax, and olive oil, 3 oz. of cod liver oil, 1 teaspoon each of honey, borax, and benzoin, and perfume. Other proportions may be employed.