baber/WOPTO huggingface dataset:
Patent GB-171930-A (GB)
Title: Sharpening safety razors
IPC: B24D15/08
Filed: 1921-02-01
Abstract: 171,930. Roots, J. D., (SpecialitÚs et NouveautÚs Soc. Anon.). Feb. 1, 1921. Addition to 138,265. Stropping - apparatus.- Apparatus for sharpening single-edged razor blades comprises channel-walls 1, 2, and bars 7 connected bv stays 9, 10, which carry a plate .11 provided with a detachable block 14 surfaced with a strop 15 and a hone 16 running in oblique directions. A carriage 20 slidable within the walls 1, 2 has levers 26, 27 pivoted on bolts 23. One end of each lever is notched as shown at 31 to receive a blade-holder 32, the other ends being interconnected by springs, At each side of the blade-holder 32 are discs 35 having flattened portions 38. These discs frictionally engage guides 6 in the walls 1, 2, and keep the trailing edge of a blade 33 in contact with the surface of the strop or hone, and movement of the carriage 20 beyond this surface allows the blade to turn perpendicularly to this surface, due to the frictional action of the discs 35, in which position it is retained by the flattened parts 38 contacting with the guides 6. Reverse movement of the carriage causes the blade to turn completely over and trail with the other side of its edge in contact with the sharpening-surface. Rollers 42, 50 mounted on spindles 10, 9 prevent damage to the blade as it leaves the surface. A pivoted stop 43 limits the movement of the carriage in one direction, and another stop (not shown) placed near a handle 5 may be provided to limit its motion in the other direction so as to adapt the apparatus to sharpen double-edged blades similarly to the apparatus described in the parent Specification. To remove the blade-holder, the stop 43 is deflected against a spring 46, allowing the carriage to advance so far that the levers 26, 27 project beyond the apparatus.
Patent GB-1419986-A (GB)
Title: Stirling engines
IPC: F02G1/044
Filed: 1973-01-25
Abstract: 1419986 Stirling cycle engines BATTELLEINSTITUTeV 25 Jan 1973 [11 Feb 1972] 3897/73 Heading F1S A stirling cycle engine has double-acting pistons 1 to 6 which are connected to pistons 13 to 18 which are hydraulically linked with two hydraulic rotary piston units, the number of chambers in each rotary piston unit corresponding to the number of hydraulically linked pistons and the cylinder of each hydraulically linked piston being connected to one of the chambers of each rotary piston unit through conduits 26 to 29 and 38 to 41 and the volume of hydraulic fluid displaced in the two chambers which are connected to the cylinder of each hydraulically linked piston can be varied by varying the phase position of the rotary pistons with respect to each other. For supporting the rotary pistons and for effecting sealing of the chambers rotatable rollers (not shown) may be provided. Pairs of counterweights are provided which are rigidly connected to the drive-shafts of the rotary pistons. Means for varying the phase angle between the two rotary pistons comprises an axially movable sleeve (not shown) coaxial with the drive-shaft and having two helical threads of steep pitch each co-operating with a helical thread coupled to one of the rotary pistons. The axial movement of the sleeve may be effected hydraulically.
Patent GB-162120-A (GB)
Title: Improvements in electrically operated diaphragm horns
IPC: G10K9/15
Filed: 1920-02-09
Abstract: 162,120. Quint, B. A., and Kearney, A. R. Feb. 9, 1920. Diaphragm vibrators.-In an electrically-operated diaphragm vibrator the base-plate a is stamped from sheet metal and a cup-shaped housing b is secured thereto by the hollow core c. A striking-pin d, attached to the diaphragm, passes through the core c. The vibrator comprises three springs f, f<1>, f<2>, the lowest carrying the armature g and the uppermost forming a stop, by the adjustment of which the note may 'be altered. The two lower springs f, f<1> carry the make and break contacts g<1>. The three springs are mounted on the distance-pieces g<2>, and a cover h<1> is secured in position by the bridge-piece h. The magnetizing-coil e is wound on a former and may be readily removed. The diaphragm is secured to the base-plate by bending over the flange i of the trumpet i<1>.
Patent GB-839919-A (GB)
Title: Improvements in carbon black beading process
IPC: C09C1/58
Filed: 1958-02-06
Abstract: <PICT:0839919/III/1> Furnace carbon black especially adapted for compounding in rubber and separated from gaseous suspension is collected and beaded by a process comprising passing the collected black through a revolving elongated tumbling drum in which it is subjected to free tumbling and cascading until the black has formed into spheroidal beads and characterized in that water is absorbed in the black either whilst it is being conveyed to the tumbling drum or immediately upon initiation of the tumbling thereof but before beads have formed, the proportion of water absorbed being 3% to 1/3 the dry weight of the black and such that the black appears to be dry to visual observation and touch and may be tumbled and cascaded as though completely dry powder.  Dry flocculent black is fed by screw conveyer 4 to a cylindrical, elongated, rotating drum 1.  Water, sprayed from conduit 7, in an amount depending upon the type of black employed but preferably 5-20% wt. is mixed with the black entering the drum. Alternatively, the addition of water may take place in the upstream end of the drum immediately upon initiation of the tumbling and before beads have been formed by contacting the black with water from conduit 11 or contacting it with a proportion of water from 7 the remainder being added from 11 in the desired relative proportion. The resulting mixture is tumbled in the drum until it agglomerates into beads which are discharged from the drum through shoot 6.  Water vapour produced during the tumbling is removed by fan 14 and discharged through 15.  Shoot 6 connects to the foot of an elevator 17 which feeds discharged beads into a gravity shoot 18 leading to storage except when the proportion of added water exceeds 6% wt. when the beads may be subjected to a drying step before storage.  A proportionating damper 20 controls the proportion of beads which are recycled through shoot 19 to conveyer 21 and thence through stand-pipe 22 to screw conveyer 4, the ratio of recycle rate to feed rate being about 1,5 : 1. Specifications 652,139, 824,589 and 839,918 are referred to.
Patent GB-1399808-A (GB)
Title: Immersible current limiting fuse assembly
IPC: H01H85/00
Filed: 1973-01-26
Abstract: 1399808 Fuses &c GENERAL ELECTRIC CO 26 Jan 1973 [10 Feb 1972] 3989/73 Heading H2G A fuse assembly for, e.g. immersing in oil in a distribution transformer, consists of a hollow tubular casing 2 with metallic end caps 3 and 4 mounted thereon in sealing relationship therewith, at least one fuse link, e.g. 12, and 13 connected between end caps 13 and 14, elongated terminal members 5, 6 mounted at each end, peripheral bands of elastomeric material 18, 19, secured around each end cap by epoxy cement and a rigid body 17 of void free epoxy resin, completely encapsulating the assembly except for the terminals. The body of epoxy resin 17, has a thermal coefficient of expansion approx. the same as the fuse casing 2, over the range - 40 to + 150 C., and has a minimum thickness of <SP>1</SP>/ 16  inch. A passageway 7 is provided in terminal member 5, and a further passageway 7<SP>1</SP> is provided, through end abutment 3a in metal end cap 3, into the interior cavity of the fuse casing 2 which is filled with are quenching material 15, e.g. sand, around core member 14 on which are wound elements 13, 14. Contact members 11 and 12 provide electrical connection between fuse elements 13, 14 and end caps 3, 4. Resilient member 16 compresses material 15 and also provides a seal therefor before passage 7-7<SP>1</SP> is sealed. The resin 17 may be comprised of, e.g., 190 parts by weight of epoxy resin (diglycidyl ether of diphenylol propane), 150 parts by weight of methyl-endo-methylene tetra-hydro phthalic anhydride and 2 parts by weight catalyst (tertiary amine salt). During manufacture the assembly is tested for fluidtightness by flushing the interior with a mixture of air and helium, e.g. in 1 part He to 20 parts air, then securing a screw 8 in passageway 7 and sealing the top thereof with solder or resin, placing the assembly in a vessel which is evacuated, creating a pressure differential on the assembly of 14 p.s.i. and measuring the rate of flow of helium therefrom by means of a massspectrometer, such that in one embodiment, the rate is less than 1 x 10<SP>-6</SP> c.c. per second, and in another embodiment within the range 1Î10<SP>-4</SP> and 1Î10<SP>-6</SP> c.c. per second, of helium. The core member 14 may be of cordierite, steatite, alumina &c., which do not evolve gas below 150 c. Identifying symbols may be marked on the exterior surface of the encapsulating resin.
Patent GB-325092-A (GB)
Title: Improvements in water heaters
IPC: A47J27/026
Filed: 1929-02-06
Abstract: 325,092. Elser, E. Feb. 6, 1929. Heating and cooking vessels; coverings ; jackets; lids.-A water-heating vessel having a number of open-ended vertical flue tubes b is provided with a detachable lid c having a central opening over which similarly constructed or other vessels can be arranged for heating by the waste gases, and an aperture d, provided with a pivoted cover, serving as a filling opening and also as a vent. The central opening is normally covered by a lid e. The exterior of the vessel may be protected by insulating material and a hood of earthenware or the like may be provided to keep the contents hot after the heating ceases. A tap h is provided near the bottom of the vessel.
Patent GB-400822-A (GB)
Title: Damping device for steadying the running of railway vehicle trucks
IPC: B61F5/24
Filed: 1933-02-09
Abstract: 400,822. Railway-vehicle undercarriages ; dashpots. KRUCKENBERG, F. and STEDEFELD, C., 16B, Ellernstrasse, Hanover, Germany. Feb. 9, 1933, No. 4020. Convention date, Feb. 10, 1932. [Classes 103 (vi) and 108 (iii).] In order to prevent swaying of a railway vehicle body owing to pivotal movements of the trucks relative thereto, these pivotal movements are damped by the provision of liquid damping means between the body and trucks. In a simple arrangement, as shown in Figs. 2 and 3, the damping device comprises a piston 28 connected by piston rod 30 and pivoted link 31 to the vehicle body and movable in a liquid-containing casing 27 so as to displace liquid through a valved passage 34 from one chamber 32 to the other chamber 33. In the case of excessive shocks inwardly and outwardly opening valves 36, 38, 39, 40 loaded to a predetermined degree permit a relief flow through passage 37. When the vehicle is negotiating a curve and the piston 28 is displaced to one side of its central position, the desired relatively free pivotal movement of the trucks under these circumstances is attained by providing the walls of the casing 27 with additional channels 51, 52 for the flow of liquids. In place of the relief valve 36, 38, 39, 40 the rod 31 may be connected to the vehicle body through the medium of strong springs which yield only under excessive shocks. In the case of vehicles in which the body pivot 26 is permitted a lateral movement within the truck frame, the two chambers. 32, 33, Fig. 6, are preferably arranged in longitudinal alignment with a common pistonrod 30, an eye 54 on which is engaged by a swinging link 55 on the vehicle body. Lateral movements of the body on the truck cause no displacement of the rod 30, while pivotal movements bring the damping device into operation. Other modifications, such as that shown in Figs. 10 and 12, are described, in which the truck is pivotally connected to the body by a pair of parallel hinged rods 62, 63 and a two-armed lever 59, an extension 69 of which is either associated with a lateral damping-device of the kind shown in Fig. 6 or with an end dashpot 70 as shown in Fig. 10. In the latter construction, the extension 69 has a sliding and pivotal connection 84 with a short arm 81 secured to a rotatable shaft 74 carrying the movable vane 78 of a rotary wing damping device. The latter is provided with a valve passage 34, and relief channels 51, 52 as in the construction shown in Fig. 3.
Patent GB-703855-A (GB)
Title: Improvements in or relating to buffers for railway, tramway and like vehicles
Inventor: THORNHILL PETER WARBORN
IPC: B61G11/12
Filed: 1951-02-17
Abstract: 703,855. Buffers. LEVITATION, Ltd. April 9, 1952 [Feb. 19, 1951], No. 4020/51. Class 103(5) , A buffer comprises a cylinder 10 provided with a metering pin 34 and a piston 11 carrying a tube 26 having a non-return valve 35 normally retained in its closed position by the spring 37. The piston 11 also carries a deformable bag 39 so that when the liquid in the cylinder 10 is displaced through the orifice 27 the bag is distended against the pre-compressed air enclosed within the piston 11 to provide a restoring force. During buffing fluid from inside the cylinder 10 opens the valve 35 but during restoration of the butter the fluid returns via the holes 38. Specification 664,710, [Group XXVI], is referred to.
Patent GB-1430502-A (GB)
Title: Slide projectors
IPC: G03B23/14
Filed: 1974-01-29
Abstract: 1430502 Projectors PENTACON DRESDEN KAMERA-UND KINOWERKE VEB 29 Jan 1974 [13 April 1973] 04020/74 Heading G2J A slide projector can project either slides or images other than slides, each in its own carrier, means responsive to the introduction and withdrawal of a guide for the non-slide carrier moving the slide carrier away from or back to the projection position. The slide return element 4 Fig. 2 for ejecting slides from the projection aperture carries a stop 4.2, which engages the slides, and is pivotally mounted at 9 on a base 3 which is connected to a rod 1 which also carries a slide pusher. The element 4 is biased to its operative position by a spring 6, its movement being limited by a stop 7. When a carrier 8, e.g. for a film-strip is inserted in the aperture it engages a slope 4.3 on the element and moves the element to its inoperative position. When the carrier is removed the element returns to its original position. In an alternative embodiment of the element Fig. 3 the stop 4.2 and slope 4.3 are carried on the end of a rod and the biasing spring 6 is of coil form.
Patent GB-1410833-A (GB)
Title: Storage container for cylindrical articles particularly packs of magnetic tape
IPC: B65D85/00
Filed: 1973-01-26
Abstract: 1410833 Reel containers BADISCHE ANILIN- & SODA-FABRIK AG 26 Jan 1973 [29 Jan 1972] 4027/73 Heading B8P To prevent dust entering a container for magnetic tape the container comprises two prism shaped halves 7 extending from cover members 2 hinged together by a back member 4, this construction ensures that along the parting line which is at the top of flanges 9 dust can only reach the interior via two small apertures where the sloping plane of the prisms coincides with the parting line. The container may be made of a deep drawn plastics material. The cover members 2 may have a rigid P.V.C. core, a layer of foam material, and an outer layer of P.V.C. film. Pins 17, 18 and apertures 15, 16 retain the container closed.
Patent GB-524822-A (GB)
Title: Means for testing and assisting abnormal vision
IPC: A61B3/04
Filed: 1939-02-08
Abstract: 524,822. Sight-testing: spectacles. BARRETT, C. D., and LONDON OPTICAL CO., Ltd. Feb. 8, 1939, No. 4136. [Class 97 (i)] Subnormal visual acuity and other abnormal vision is tested by means of a trial frame housing in its front cell 4 a rear flange 8 on a cylinder 7 carrying the positive lens 9 of a galilean telescope, and, in its rear cell 6 a negative lens 10 interchangeable with others for the purpose of test; a diaphragm forming one of a series having apertures of various sizes and shapes may be housed in the middle cell 5 or held close to the lens 10. A monocular may be built up with lenses of power and spacing in accordance with the test result, and may comprise a cylindrical body 11 having a flange 14 capable of being fitted in the eye-rim of a spectacle frame, a positive lens 9a, a negative lens 10a, and, if desired, an aperture plate 15 : the lens 10a and plate 15 may be held against one or more shoulders in the body by a ring 13 screwed in place. Cylindrical correction may be determined, and applied to the lens 10a. The body may be extensible, and the spectacle frame may be fitted with one or two of the monoculars.
Patent GB-557008-A (GB)
Title: Improved clamping means
IPC: A47C1/10
Filed: 1942-03-28
Abstract: 557,008. Clamps ; dental chair head rests. COWPER, F. M., and AMALGAMATED DENTAL CO., Ltd. March 28, 1942, No.4148. [Class 44] [Also in Group XIV] A flexible jaw clamping device is operated to effect grip by a bolt movable longitudinally by a hand-operated cam pivoted to one end of the bolt and bearing against a roller the spindle of which is mounted on one of the jaws and passes through a slot in the bolt. The invention is described as applied to clamping simultaneously two pivots of a known kind of dental chair head rest comprising a support b pivoted at its lower end to a bracket arm a and at its upper end to the arm c of a head-rest having pads d, the bearings for the pivots a<1>, c<1> being split to provide flexible jaws, a clamping bolt f extending in known manner through the support b as shown. The bolt is adjustably anchored to the lowest jaw b<1> by a flanged nut g bearing against a compression spring h and secured in adjusted position by set screw o. The upper end of the bolt carries the pivoted cam k with operating handle i, the cam shown being of channel section, Fig. 6, to provide two operative surfaces co-operating with a corresponding pair of rollers l on a common spindle m secured in the upper jaw b<2>, the spindle passing through a slot in the bolt to allow the necessary relative movement. To prevent collapse of the support when the clamp is released a sufficient frictional resistance is permanently imposed on the pivot a<1> by screws n adjustably compressing the lower pair of jaws independently of the clamping device.
Patent GB-1090617-A (GB)
Title: Improvements in or relating to garages, sheds and like buildings
IPC: E04B1/348
Filed: 1965-02-01
Abstract: 1,090,617. Prefabricated buildings. TEXAS INDUSTRIES Inc. Feb. 1, 1965 [Feb. 17, 1964], No. 4354/65. Heading E1A. A garage or shed is composed of "room-units" each in the form of a reinforced, cast concrete structure having at least one side provided with reinforcing ribs such as 43. The unit may be made of foam concrete reinforced by metal, wire or rod, mesh and be mounted on concrete beams 2, 3 having a length equal to or more than twice the width of the unit. The roof is substantially tray-like and covered with a layer of cork having a coating of rubberised or bitumenised felt, drainage means 53, 54, 58 being provided as shown. The walls may include a decorative facade 39 and have inclined leading edges 51, 52 in the vicinity of the door. Dimensions are given in the Specn.
Patent GB-1160241-A (GB)
Title: Spotting Unit for Textile Articles and Fabrics
Inventor: DANIELL HARRY GEORGE
IPC: D06F43/00
Filed: 1966-02-01
Abstract: 1,160,241. Dry cleaning. SPOONER, BEVAN & SPRING Ltd. 1 May, 1967 [1 Feb., 1966], No. 4372/66. Headings D1A and D1L. Textile "spotting" apparatus comprises sources of supply of two or more cleaning materials under pressure, taps 19, 20 for selectively releasing these materials through a discharge nozzle 4 on to a fabric to be cleaned and a drain 6 for the escape of excess cleaning material. As shown, a pressurised tank 2 contains an open cylinder 8 divided by wall 10 into two containers. Dip tubes 12, 14 in these containers are connected by pipes through taps 19, 20 to nozzle 4 carried on an arm 13 extending over drain 6. Taps 19, 20 are controlled by press buttons.
Patent GB-660298-A (GB)
Title: Improvements in plate and like washing machines
Inventor: CLARK REYNARD
IPC: A47L15/39
Filed: 1949-02-17
Abstract: 660,298. Dishwashing machines; cup washing machines. STAINES KITCHEN EQUIPMENT CO., Ltd. Nov. 4, 1949 [Feb. 17, 1949], No. 4397/49. Addition to 611,090. Class 138 (i) Relates to an improvement in or modification of the invention claimed in the parent Specification in which brush spindles are horizontally mounted in a wall of a washing trough and are each fitted with a chain driving sprocket meshing with an endless motor driven chain, one sprocket engaging the inner run of the chain and the other the outer run thereof whereby the spindles are rotated in opposite directions. The washing machine comprises two separate washing troughs 6, 7, for cup and plate cleaning respectively. Parallel and horizontal pairs of brushes 8 and 9 of known construction are carried by spindles 13, 11 rotatably mounted in the rear walls of the troughs. The spindles 13 and 11 are provided with sprockets 17 and 16, Fig. 2, exterior of the troughs, which are driven by an endless chain 18 from an electric motor 19 so that the pairs of spindles and their brushes are rotated in opposite directions. The perimeter of a plate A to be cleaned in the trough 7 is supported on rollers 24, 15, carried by standards 27 (only one shown in Fig. 1) forming part of a single piece casting 28 bolted to the floor of the trough by bolts 29. Both rollers rotate on axes at an angle to the axes of the brushes. One spindle 11 is provided with a back flange 21 faced with resilient material such as rubber 22 and the flange acts as a stop for the plate A introduced between the brushes 9. The free ends of the spindles 11 are provided with rubber caps 23 to prevent damaging of the plates A. Preferably hot and cold water supplies and draining boards are combined with the machine.
Patent GB-484620-A (GB)
Title: Improvements in or relating to coin controlled vending machines
IPC: G07F11/16
Filed: 1937-02-15
Abstract: 484,620. Coin - freed article - delivery apparatus. BRECKNELL, MUNRO, & ROGERS (1928), Ltd., and ROGERS, H. C. I. Feb. 15, 1937, No. 4413. [Class 27] In a coin-controlled vending machine of the kind having an horizontal or slightly inclined article magazine and a plunger moving upwards vertically or at a slight angle to the vertical to push out the foremost article, the magazine 19, Fig. 3, for the articles is slidable in a fixed slideway 2, Fig. 1, so that it can be pulled back for refilling and then returned to its operative position. The base 15 of the magazine is slotted to allow the delivery plunger 18, 24 to pass through, the top of the. slideway being formed with a similar slot 5 for the article to pass through and also through a slot 6 in the ledge 7 of a counter 1. In the apparatus shown the magazine is located beneath a shop counter and the plunger is actuated by a solenoid 8. The bottom of the slideway 2 is formed by inturned edges 3, 4 ; the lower ends of the side walls 17 of the magazine are also turned in to form a retaining abutment for the foremost article in the magazine.