baber/WOPTO huggingface dataset:
Patent GB-416641-A (GB)
Title: Improvements in draw bar and buffing gear for railway and like vehicles
IPC: B61G9/12
Filed: 1934-04-13
Abstract: 416,641. Combined buffing and draw - gear for railway &c. vehicles. KRUPP AKT.-GES., F., Essen, Germany. April 13, 1934, No. 11163. Convention date, June 8, 1933. [Class 103 (v).] Relates to buffing and draw-gear for railway &c. vehicles of the kind comprising two drawbars 30, 31 with an interposed spring 57, while a second spring 22 is employed between one of the bars, for example the bar 30, and the under-frame. In order that the bars may make equal strokes in whichever direction a unidirectional stress is exerted upon the gear a connection is provided between one of the bars, e.g. the bar 30, and a follower of the underframe spring such that longitudinal movement in one direction of the bar is accompanied by a corresponding movement of the follower in the opposite direction. In the arrangement shown, the bar spring 57 is associated with followers 58, 59 that normally abut against plates 60, 61 on the bars 30, 31, while the spring 22 is inserted between followers 21, 21<1> with a co-operating distance sleeve 21". Abutting against the follower 21 is an additional follower sleeve 25, between which and a plate 27 are inserted two crescent-shaped double-armed levers 26, the plate 27 normally bearing against an underframe shoulder 23 and having a central aperture through which the rod 30 may slide. If a buffing stress is exerted from right to left then the stroke of the bar 30 is equal to f<2> + f<3> where f<2> is the initial gap between the bars 30, 31 and f3 is the distance between the follower 59 and its underframe stop ; this stroke is made equal to f the permissible compression of the spring 22. When the stress is exerted from left to right the bar 31, instead of moving as in the known type of gear a distance f<1>+f<2>, again moves only a distance f since a collar 29 on the rod 30 by engaging the levers 26 causes the follower sleeve 25 to be moved to the left a distance f<2>. In a modification (Fig. 4, not shown), the bar spring is arranged within the underframe spring.
Patent GB-982090-A (GB)
Title: Automatic vibration control system
IPC: G05B19/06
Filed: 1962-03-23
Abstract: 982, 090. Automatic wheel balancing. FORTUNA-WERKE SPEZIALMASCHINENFABRIK A.G. March 23, 1962 [March 25, 1961], No. 11208/62. Drawings to Specification. Heading G3R. ' In a system for automatically controlling vibration, e.g, to balance a grinder disc spindle, control action is initiated only in response to a rise in the mean amplitude of vibration. In the arrangement described, three electromagnetically operated clutches associated with a single reversible electric motor are selectively energized to adjust the angular position, mass, and axial position of balance weights associated with a grinding wheel during rotation. Automatic balancing is initiated by closing a switch to start the grinding wheel drive motor and, after a delay determined by electromagnetic relays, the first clutch is energized to adjust the angular position of the weights. If the sense of adjustment is incorrect, one pointer, which moves in dependence on the amplitude of grinding wheel vibration, moves ahead of another lagged pointer to open contacts which actuate an electromagnetic stepping switch to reverse the balancing motor. Balance then improves so that the the pointers stay together until the point of minimum unbalance is passed whereupon the pointers separate and cause a further operation of the stepping switch to de-energize the first clutch and energize the second to initiate adjustment of the mass of the balance weights. The two pointers again separate to reverse the balancing motor if necessary to ensure that it adjusts to a minimum unbalance condition, whereupon the stepping switch operates again to re-energize the first clutch and re-balance by adjustment of angular position. After minimum unbalance is again obtained a further operation of the stepping switch energizes the third clutch to adjust the axial position of the balance weights. If balance is then good the pointers are near their zero position in which they obscure a photo-cell to terminate balancing, reset the stepping switch to its initial position, and complete a circuit to allow advance of the grinding wheel. If, however, balance is not achieved balancing is terminated, drive of the grinding wheel ceases, and a warning lamp operated. Specification 902,553 is referred to.
Patent GB-1304721-A (GB)
IPC: B65G53/66
Filed: 1970-03-10
Abstract: 1304721 Pneumatic conveyers BAYER AG 10 March 1970 [13 March 1969] 11341/70 Heading B8A Apparatus for conveying feedstock on a continuously supplied stream of gas comprises a supply vessel 1, a transit vessel 2 to which a delivery line 27 is connected, and a closure member 4 fixed to a cross-member 5 for adjusting the volume of feedstock delivered to the vessel 2. The ends of the member 5 are engaged by vertical rods 6 connected to elastic diaphragms 7 which are connected to the vessel 2 and above which are compressed-air chambers 9 which communicate through lines 11 with an adjustable control valve 12 connected to a compressor (not shown). A further compressedair supply (not shown) is connected to the vessel 1 through a line 21 extending from a three-way valve 19 in which a control plunger 18 is pivotally connected to the closure member 4 through a lever 17. When the closure member 4 is moved downwardly on actuating the valve 12 to permit passage of feed stock, the plunger 18 is moved in the opposite direction and air flows through pipe 21 to the base of vessel 1 to loosen the fedstock. At the same time air also flows from valve 19 through pipe 23 to the vessel 2 through a porous plate 24 to expedite the flow of feedstock to the pipe 27. As the pressure in the vessel 2 increases, the member 4 rises, thereby reducing the through-flow cross-section from the vessel 1 and the plunger 18 simultaneously closes the valve 19 but the connection between the compressed air line 20 and the line 23 always remains open due to a pin 25 which restricts the downward movement of plunger 18. Perforated plates 10 prevent the diaphragms 7 from damage in the event of an excess pressure in the vessel 2, while air flows through a check-valve 15 if the pressure in vessel 2 falls below a predetermined level. In an alternative embodiment bellows (57) are used instead of the diaphragms 7, Figs. 3, 4 (not shown).
Patent GB-129447-A (GB)
Title: Improvements in Carburettors for Internal Combustion Engines.
Inventor: CARTER HERBERT CHARLES
IPC: F02M31/18
Filed: 1918-07-11
Abstract: 129,447. Carter, H. C., and Maconochie, H. July 11. 1918. Spray carburettors. -The fuel is heated in a chamber a and passes through a valve chamber n to a mixing - chamber p into which primary air is admitted at p<2> and secondary air at p<3>. The mixture may pass through another heater on its way to the induction pipe of the engine. The primary air may be controlled bv a hit-andmiss valve, and the secondary air is controlled by a sliding valve u. The fuel valve q is operated bv means of a suction-actuated piston x acting through a shaft r<1> and a crank r<2>. The secondary-air valve may be controlled by hand or automatically as in the case of the fuel valve, or the piston x may control both valves. The vaporizer a comprises shallow drums g, i connected by tubes h, the whole being held together by nuts m, n. The fuel enters at e and leaves at k. Exhaust gases enter and leave by pipes c, but the vaporizer may be heated by the cooling-water or electrically. Specification 116,303 is referred to.
Patent GB-501871-A (GB)
Title: Improvements in autographic and like writing machines
IPC: B41L5/00
Filed: 1938-04-13
Abstract: 501,871. Writing-machines. WATSON, G. W. April 13,1938, No. 11424. Convention date, April 13, 1937. [Class 146 (iii)] A writing - machine, which is especially applicable for reproducing signatures on cheques &c. is constructed with a table 1 on which is a writing table 26 adapted to receive a sheet of paper on which is written the matter to be reproduced by means of a pen 79 carried by a clip 43 on a holder 42 attached to a pen carriage 41. The carriage 41 is arranged at the intersection of strips 9, 10 of materials such as cellulose, which are driven by means of electricallydriven wheels 5, 7 ; 6, 8, provided with projections engaging apertures 12 in the strips. The carriage 41 is connected to sleeves 37, 38 sliding on bars 35, 36 and the sleeves carry holders 46 which are adjustably mounted so as selectively to bring into operation scribing pens 49, or spring-pressed following-rollers 50. When an inscription is made along a line which is preferably parallel to the intersection of the angle between the strips 9, 10, the pens 49 trace out paths 55, 66 on the strips, and these are cut out to form templates. The following rollers 50 are then brought into contact with the edges of the template by means of detachable spring means, and the motion of the strips then causes the pen 79 to reproduce a copy of the signature written. By this means a number of cheques can be autographed with identical signatures. To enable variations in thickness in writing to be reproduced the table 26 is mounted on adjustable spring 24 in sockets in the table 1 which receive the square legs 25 of the table. A contact 27 on one of the legs moves over a rheostat 29 in a circuit containing a solenoid 57 and a spring-controlled armature 61 fitted with a pen 62 which traces out a line 63 for forming a further template in one of the strips. With this template is engaged a roller 67 on a spring-pressed rod 66 adapted to cause a contact 71 to move over a rheostat 72 in the circuit of an electromagnet 73 the energization of which causes an armature to act on an extension of the pen holder 43 and vary the writing pressure. At places where no writing is required as when the pen is raised for dotting an " i " or crossing a " t " the pen is raised by a lever 82 connected to an armature 81 of an electromagnet 80 in a circuit which is energized when the rod 66 is moved far enough to close a contact 84, 85. The rollers 5, 7 ; 6, 8 are connected to their shafts in such a manner that they can be adjusted circumferentially relatively to their driving axles. A numbering-device can be operated electrically by an. aperture 91 in the strip 10. The device may be varied by mounting the pen stationarily and causing the table 26 to move, and the arrangement of the strips 9, 10, can be varied, and more than two strips may be employed.
Patent GB-114704-A (GB)
IPC: F42B22/24
Abstract: 114,704. Duffie, J. J. May 5, 1917, [Convention date]. Mines, marine.-Relates to mine-carrying nets adapted to drop mines on submarine vessels when these come in contact with the net. According to the invention, the arrangement is such that the mine is released both when a. vertical cable is subjected to tension and when the tension is released as by the cutting of the cable. In the form shown, the mines are each held against a spring 26 in a vertical tube 5 by a spring trigger 12, 14 confined by a sliding sear 15, which is controlled by a spring 23 and by a wire 21 connecting it to the lowermost horizontal wire 1 of the net. When the wire 21 is pulled or cut by a submarine vessel, the sear 15 is moved down by the pull or up by the released spring 23 respectively; in both cases the trigger is released and springs out, causing the mine to fall on the submarine vessel. The net is carried by floats 2; and the tubes 5 are carried by floats 9 at the side of the net.
Patent GB-1211252-A (GB)
Title: Improvements relating to ball and other rolling bearings
Inventor: ROBINSON JOHN FRANK
IPC: F16C27/04
Filed: 1968-01-03
Abstract: 1,211,252. Rolling bearings. NORTH AMERICAN ROCKWELL CORP. 3 Jan., 1968 [26 April, 1967], No. 11520/70. Divided out of 1,211,251. Heading F2A. A ball bearing has one race 62 formed with relatively thick annular portions 69 adjacent each end and a thin portion between the two ends on which is provided a raceway for the balls 61, a rigid annular member 67 being disposed axially between and abutting the portions 69 and coaxial with and radially spaced from the thin portion of the race, the thin portion of the race being ;able to deflect elastically under load.
Patent GB-123265-A (GB)
Title: Sweat Bands for Straw Hats and Method of Attachment thereof.
Inventor: FAIRWEATHER WALLACE
IPC: A42C5/02
Filed: 1918-07-13
Abstract: 123,265. Fairweather, W., (Singer Manufacturing Co.). July 13, 1918. Leathers or sweat bands. -- Relates to a modification of the invention described in Specification 123,264, so as to apply it to straw hats having separately-formed upper and lower brims. One part 4 of the anchoring piece is secured between the two brims, either before or after they have been stitched together along their outer edges, and either by cementing or by stitching to either or both of the two brims by stitches 7. In the example shown, the anchoring piece has a corded edge 13 at the junction of the brim 2 and the crown 3, but any folded or thickened edge or ridge may be used. The other part 5 of the anchoring piece is stitched as at 10, or is cemented, to the interior of the crown. The anchoring piece may be cut on the bias, or, either the part 4 or the part 5 may be notched so as to fit without puckers. In a modification, the anchoring piece may be completely secured between the two brims, a folded or other soft edge or ridge being left. The sweat band 11 is afterwards machine-stitched to the soft edge as described in the above-mentioned Specification by a seam 12.
Patent GB-1170656-A (GB)
Title: Method of Assembling Small Horsepower Electric Motors and the Construction of such Motors
IPC: H02K15/03
Filed: 1967-03-13
Abstract: 1,170,656. Making stators; welding by pressure. GENERAL ELECTRIC CO. 13 March, 1967 [18 March, 1966], No. 11568/67. Headings B3A and B3R. [Also in Division H2] An electric motor has a stator frame consisting of two U-shaped brackets 14, 16 having segments 38, 40 of magnetizable material secured in them. The brackets are assembled together on to a mandrel 102 so that the inner faces of segments 38, 40 bear against curved faces 102, 104 of the mandrel to define the required armature bore. An end shield comprising disc 46 having bent up tabs 50, 52 and supporting a sleeve bearing 48 is placed on shaft 110 of the mandrel so that the tabs are located in notches 56, 58 in bracket 16. The overlapping legs 22, 28; 24, 30 and the tabs are spot welded to provide a unitary frame structure. The mandrel is removed and the armature assembly including commutator 82 is inserted and the motor completed by securing end shield 74, which carries the brushgear and bearing 76, on to legs 64, 66 of bracket 16. The segments 38, 40 may be magnetized prior to assembly in the brackets or at some stage during the assembly process.
Patent GB-256317-A (GB)
Title: Improvements in or relating to receivers for use in connection with wireless telegraphy
IPC: H04B1/10
Filed: 1925-05-04
Abstract: 256,317. Fuller's United Electric Works, Ltd., and Welch, A. P. May 4, 1925. Thermionic amplifiers and detectors; undesired signals, eliminating.-In a wireless receiver a highfrequency choke or chokes f - - f<5>, which may be tuned or untuned, are arranged in one or more parts of the circuit, for example in the supply filter circuit e and in the battery leads, so as to increase the selectivity by cutting off some or all secondary paths by which the highfrequency energy might pass to earth. When a wave-trap or rejector circuit j<1> is used, it is connected to a secondary earth c of the system, preferably on the secondary-earth side of the high-frequency choke f'. Reference has been directed by the Comptroller to Specifications 134,246, 227,189, 247,920 and 248,311.
Patent GB-619516-A (GB)
Title: Improvements in or relating to vibration-absorbing supports
IPC: F16F1/54
Filed: 1946-04-15
Abstract: 619,516. Resilient mountings. THIRY, L. F. April 15, 1946, No. 11590. Convention date, Oct. 20, 1945. [Class 108 (iii)] A vibration-absorbing support comprises two rigid members having opposed seatings and a cushioning unit interposed between the two seatings so as to support one member resiliently from the other, and comprising spaced resilient cushioning and buffer blocks flexibly connected together, the buffer blocks being of less thickness than the cushioning blocks, when in their undistorted state in relation to the distance between the seatings. In the construction shown in Figs. 4, 5, the seatings are formed by inwardly inclined circumferentially spaced portions 23, 24 on an outer mounting member 20, inclined upwardly and downwardly respectively, and outwardly inclined portions 28, 27 on an inner mounting member 25 correspondingly spaced in relation to the portions 23, 24. The cushioning blocks 29 are spaced from the buffer blocks 30 by portions 31 of small section. The cushioning blocks 29 lie between and engage corresponding spaced seating-portions 23, 28 or 24, 27, while the buffer blocks 30 overlie the space 40 between adjacent seating portions. The invention is applicable to the resilient mounting described in Specification 619,137.
Patent GB-1042511-A (GB)
Title: Improvements in and relating to hobs
IPC: B23C5/22
Filed: 1963-03-25
Abstract: 1,042,511. Hobs. WALZTECHNIK SAACKE-ZORN KOMM. GES. March 25, 1963 [April 19, 1962], No. 11647/63. Heading B3K. A hob comprises transverse cutter bars backed by bracing bars having a similar crosssectional shape. The bars are secured by end rings which engage shoulders on the bars or have conical ends corresponding to those on the bars, there being an intermediate rigid filler. The body may be heat-treated and the bore 6 tempered. The bottom of each cutter recess may be stepped or the bracing bars may be shorter than the cutter bars as in Fig. 3 (not shown). Use of the bracing bars enables a cutter 3, Fig. 6 (not shown), to be used even when ground very thin. The bars may be slightly tapered to assist in securing them in the cutter-body.
Patent GB-400268-A (GB)
Title: Improvements in or relating to radio and other high frequency receivers
IPC: H03D11/02
Filed: 1932-04-22
Abstract: 400,268. Valve circuits for wireless reception. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London, RUST, N. M., 109, London Road, and O'NEILL, R. F., Lindorel, Fourth Avenue, both in Chelmsford. April 22, 1932, No. 11674. [Class 40 (v).] In a super-regenerative radio receiver, the quenching oscillations are derived from a screen grid valve adjusted to oscillate round one of the bends at the ends of the downwardly sloping portion of its characteristic. A screen grid valve 26, Fig. 1 (Comp.), has its screen at a higher potential than its anode and generates quenching oscillations of a supersonic frequency determined by a tuned circuit 5A, 6A in its anode circuit. Received high-frequency oscillations are applied to the circuit 5, 6 tuned to radio frequency and connected to the grid of detector 1. The tuned circuit 5A, 6A has a variable resistance 28 introducing a damping effect to control the degree of quenching. Since the sum of the screen grid and anode currents remains approximately constant, the detector 1 may be dispensed with and the telephones connected in the plate or screen grid circuits of valve 26. In a modification, signals are applied to a tuned circuit 5, 6, Fig. 1 (Prov.), in the grid circuit of a detector 1, and also in the anode circuit of a screen grid valve 9 whose screen grid is at a higher potential than its anode. A periodic circuit comprising a neon tube 16 in series with a condenser 17 and resistance 18 in parallel produces an intermittent current flow in resistance 11. A tapping 10 on resistance 11 produces a cyclic variation of grid bias of valves 9, 14, a current flow in resistance 11 causing valve 14 to become conductive and reducing the negative resistance of valve 9 so producing quenching, while when no current flows in resistance 11, valve 14 is non-conductive and valve 9 has maximum negative resistance. In Fig. 2 (Prov.) the damping valve 14 is dispensed with, the oscillatory circuit comprising neon tube 16, resistance 18 and condenser 17 periodically reducing the potential of the screen grid of valve 9 to a value sufficient to obtain the quenching action. The anode potential of the screen grid valve may be varied in a similar manner, Fig. 3 (Prov.) (not shown), or the neon tube oscillatory circuit may control the cathode potential, Fig. 4 (Prov.) (not shown), varying the effective grid bias of the screen grid valve.
Patent GB-881249-A (GB)
Title: Improvements in and relating to electric motors
Inventor: HITCHCOCK STANLEY ISAIAH
IPC: H02K1/27
Filed: 1959-04-07
Abstract: 881,249. Electric motors. MAGNETICS (LONDON) Ltd. April 7, 1960 [April 7, 1959], No. 11692/59. Class 35. In a permanent magnet rotor for an electric motor the magnet has salient poles but is axially magnetized, the flux being carried by soft iron end cheeks 4 of the same profile as the magnet, to pole pieces 11 overlapping the magnet poles at each end so that all the poles at each end are of the same polarity. The cheeks may be made of mild steel and the rotor shaft 3 of non-magnetic stainless steel. Surrounding the rotor is a stator intermittently excited by means of a make and break driven by the shaft. Specification 547,668 is referred to.
Patent GB-801728-A (GB)
Title: Improvements in the production of glycidyl ethers
Inventor: MEYER FERDINAND
IPC: C07D303/24
Filed: 1956-04-19
Abstract: Polyglycidyl ethers are prepared by dehydrohalogenating polyhalogen hydrin ethers of polyhydric aliphatic saturated alcohols and of polymethylol compounds of melamine at a temperature from -20 DEG  to 30 DEG  C. with an amount of a 25 to 60 per cent by weight aqueous solution of a strong inorganic base at least equivalent to that required for binding the hydrogen halide split off, in the presence of an aliphatic saturated monohydric alcohol which is insoluble or soluble in water up to an amount of 10 per cent by weight at the working temperature and which dissolves the epoxy compound formed and the halogenhydrin ether. The monohydric alcohol may be n-butanol, n-sec.- or tert.-amyl alcohol or ethyl hexanol, suitably used in an amount of 33-66 per cent based on the ether, and if desired in admixture with one another or with other inert water-insoluble organic solvents such as aromatic hydrocarbons.  Suitable polyhalogen hydrin ethers are those derived from glycerol, butane triol, pentaerythritol, dipentaerythritol, trimethylol propane, sorbitol, hexane-triol and tri- or hexa-methylol melamine, which ethers may be obtained by reacting the polyhydric alcohol with appropriate amounts of epichlorhydrin or dichlorhydrin and the corresponding bromo compounds in the presence of a catalyst, e.g. BF3; preferably there are introduced more than 2 halogen-hydrin groups. In examples: (1) excess of 45 per cent aqueous NaOH is slowly added at -5 DEG  to 0 DEG  C. with stirring to a butanol solution of a chlorhydrin obtained from a 1 : 3 molar mixture of glycerol and epichlorhydrin; water and toluene are then added and the non-aqueous phase is worked up to recover a diglycidyl ether still containing chlorine and having a M.W. of 283; (2) a chlorhydrin ether obtained from a 1 : 3 molar mixture of 1 : 2 : 4-butane-triol and epichlorhydrin is similarly treated in butanol-toluene solution and yields a diglycidyl ether containing chlorine and of M.W. 350; (3) a mixture of polychlorhydrins prepared from epichlorhydrin, glycerol and pentaerythritol is similarly treated in amyl alcohol to yield a polyglycidyl ether of epoxy value 0.63.  Specification 679,536 is referred to.