baber/WOPTO huggingface dataset:
Patent GB-241783-A (GB)
Title: Improvements in printing machines
IPC: B41F1/00
Filed: 1925-02-18
Abstract: 241,783. Ming, H. E., and Aspinall, D. A. Feb. 18, 1925. Platen presses.-A platen press is constructed with a vertical type chase 3 secured on a stationary flat drum 2, and a rocking platen 7 operated by a cam 22 which presses directly on to the back of the platen, and closes it, to print, against the action of a spring 12. Inking-apparatus.-The drum 1 acts as an inkdistributing drum, and supplies travelling rollers 17 mounted in spring-controlled rods 15 capable of sliding in a bracket 13 mounted on a rotating shaft 4. The shaft 4 is driven by chain or other gearing from the shaft 10 of the cam 22, and this shaft is rotated by a hand-crank or by a motor.
Patent GB-460933-A (GB)
Title: Improvements in or relating to cross field generators
IPC: H02K23/02
Filed: 1936-02-13
Abstract: 460,933. Generators. ELIN AKT.-GES. FUR ELEKTRISCHE INDUSTRIE. Feb. 13, 1936, Nos. 4438 and 4439. Convention dates, Feb. 13, 1935 and Feb. 10, 1936. [Class 35] Exciting.-In order to prevent a cross-field generator from delivering current in the wrong direction when the polarity of the field magnet has been reversed during a no - load period, a battery or other source of direct current so connected as to give a starting polarity in the required direction but is opposed by the machine current so that the no-load voltage is not unduly raised. In the arrangement shown, the battery 18 is connected across the main brushes 14, 15 of the machine and in series with an auxiliary winding 21. Modifications are described in which the battery 18 is connected to one of the auxiliary brushes 12, 13 instead of the main brush, or is connected to the brush through a tapped resistance. The battery may also be connected across the main winding instead of the auxiliary winding, or the auxiliary winding may be dispensed with and the battery connected across the armature. In the last case, the battery may be replaced by a synchronous alternator on the same shaft as the generator.
Patent GB-768469-A (GB)
Title: A diversity reception system
IPC: H04B7/08
Filed: 1955-02-15
Abstract: 768,469. Radio signalling. STANDARD TELEPHONES AND CABLES, Ltd. (International Telephone & Telegraph Corporation). Feb. 15, 1955, No. 4477/55. Class 40(5) In a diversity reception system in which either of two aerials may be coupled to a single receiver, the output' of the two aerials are sampled for unequal periods of time, and as a result of comparison, the aerial with the greater output, is coupled for the longer of the two sampling periods. The two aerials 1, 2, are alternatively coupled to the receiver 4 by a relay 3 controlled by a free-running multivibrator 5. The receiver 4 provides alternate outputs which are rectified at 31 and applied in opposition to condensers 28, 29 in the grid circuit of a comparator valve 27. If, for example, aerial 1 is given the larger output, capacitor 28 has the larger voltage, the resultant grid potential is negative and the reduction of anode current closes contact 11b to close on a reversing relay 8. Then valve 12a of the multivibrator 5 provides the keying pulses for the aerial relay 9. The output of the multivibrator 5 is unsymmetrical, as shown at 21, hence aerial relay 3 is energized for longer periods than it is de-energized, and aerial 1 is mainly operative and aerial 2 is briefly sampled. Should a sample show aerial 2 to give the larger output, then relay 8 changes over, valve 12b keys the aerial relay 3, and aerial 2 becomes operative and aerial 1 is sampled.
Patent GB-677067-A (GB)
Title: Two stroke internal combustion engine
IPC: F01L7/12
Filed: 1949-02-21
Abstract: 677,067. Pumps, valves. CULLWICK, L. G. April 6, 1950 [Feb. 21, 1949], No. 4632/49. Classes 7(ii) and 7(vi) [Also in Group XXVI] The crankcase c of a single cylinder two - stroke engine is supplied with a fuel-air mixture, or, according to the Provisional Specification, air alone, drawn in by a fanlike construction e<SP>1</SP> of one crankshaft balance  weight e via a port b passing through a crankshaft journal a at an angle of 60 degrees to the crankshaft a x i s and aligning once every crankshaft revolution simultaneously with inlet and outlet ports d', d<SP>2</SP>, in the crankcase journal bearing portion and communicating with the exterior and interior of the crankcase respectively.
Patent GB-1203881-A (GB)
Title: Improved means for mounting glass panes in apertures
Inventor: WEBB RONALD RICHARD
IPC: B60J10/02
Filed: 1968-01-30
Abstract: 1,203,881. Glazing strips. HOWARD CLAYTON-WRIGHT Ltd. 22 Jan., 1969 [30 Jan., l968], No. 4654/68. Heading E1R. A strip of glazing material such as uncured neoprene-based compound particularly for securing a pane 13 to the flange 14 of a vehicle body 12, surrounding a window aperture comprises a flexible tube 11 whose diameter is small, even capillary, in relation to the section of the strip, extends throughout the length of the strip and is wholly or partially embedded in the strip for the purpose of passing hot fluid, e.g. air, there through to effect curing of the strip material and bonding of the glass to the flange 14.
Patent GB-984770-A (GB)
Title: Improvements in or relating to fluid storage apparatus
Inventor: KOEPF ALMONT HOWELL
IPC: F24H9/12
Filed: 1963-02-05
Abstract: 984,770. Mixing liquids in flow. KAISER ALUMINUM & CHEMICAL CORPORATION. Feb. 5, 1963, No. 4679/63. Heading B1C. Apparatus for mixing hot and cold water comprises a cold water conduit C delivering to a hot water storage tank or heater A from which hot water flows through passage 24 and mixing tube 15, cold water being induced into the flow through the orifice 19 and the mixture leaving at B. A gravity check valve 27 in the hot water supply corrects the tendency for the mixture to be too hot at low flow rates ; in order to prevent a contrary effect due to the valve shutting off the hot water completely, bypass grooves 31 are provided in its seat 29. If the cross-sectional areas of the orifice 19, 23 are in the ratio 1:2, hot water at 180 F. and cold water at ambient temperature will give a mixture at 140 F. The tank A may be of aluminium which at the temperature of 180 F. will develop a protective film of the oxide Boehmite.
Patent GB-1074462-A (GB)
Title: Improvements in or relating to luggage racks
IPC: B61D37/00
Filed: 1965-02-03
Abstract: 1,074,462. Luggage racks. GEBR. HAPPICH G.m.b.H. Feb. 3, 1965 [Feb. 15, 1964], No. 4705/65. Heading B7J. A luggage rack comprises shelf units 1, Fig. 1, and Figs. 4, 5, 6 (not shown), having end tapered beaded edges (3), (4) of different heights, the comers (5) of which are open. The beadings (3) are contained within plastic mouldings 7 provided with flanges 8, Fig. 3 (not shown) for engagement with fixing brackets and noses 9 for supporting cushion strip 12. Slotted slats 6 fixed to the ends of one or more units 1 and the flanges 8 may join the units together and cushioned end closures 14 may be provided.
Patent GB-1493544-A (GB)
Title: Mechanical actuator
IPC: F16H57/027
Filed: 1976-02-06
Abstract: 1493544 Lubricating gearing DUFF-NORTON CO Inc 6 Feb 1976 [8 Sept 1975] 04728/76 Heading F2Q [Also in Division B8] A mechanical actuator 10 comprises a housing 12, shown formed as a shell 12<SP>1</SP> with a shell cap 12<SP>11</SP> threaded thereinto, with a chamber 60 for lubricating oil 62. A drive shaft 14 extends into the chamber 60 through an aperture (18), Fig. 2 (not shown); in the housing 12 and has a gear 14<SP>1</SP> engaging a gear 32 forming part of a gearnut assembly 22 with a ball-nut component 26 having ball returns 28 mounted exteriorly thereon. A tubular shield 48 is mounted on the ball-nut component 26 in covering relation to the ball returns 28 and is sealed by sealant 50 at one end to the gear 32 and at the other end to a bearing retainer 42 for a first bearing 24. A screw 52 in driven engagement with the ball-nut components 26. An oil-proof seal for the chamber 60 is provided by the sealant 50, a seal 58 at the first bearing 24, a seal 56 at a second bearing 24 adjacent the gear 32, and a seal (20) at the aperture (18) for the drive shaft 14. As shown passages 66, 68, 70 extend through the housing 12 to the chamber 60 and are fitted with interchangeable soiled plugs 72 or a breather plug 74, the location of the breather plug 74 being selected according to the disposition of the actuator 10.
Patent GB-937781-A (GB)
Title: Improvements in or relating to the automatic adjustment of fluid-pressure operated vehicle brakes
IPC: F16D65/22
Filed: 1960-02-11
Abstract: 937,781. Automatic brake clearance adjusters. H. TEVES, E. A. TEVES and M. TAUSEND, [trading as ALFRED TEVES, MASCHINENUND ARMATURENFABRIK KOMM.-GES.]. Feb. 11, 1960 [Feb. 11, 1959], No. 4886/60. Class 103 (1). An automatic clearance adjuster in a brake wheel cylinder 1, comprises a friction ring 8 expanded against the cylinder wall, a stop 7 associated with piston 2, and a groove 9 in the cylinder into which the ring 8 can be moved, the inner diameter of the ring then being less than the outer diameter of piston 2. Piston 2 moves rod 6 on brake application and should wear have occurred, then ring 8 is also moved; on brake release, the shoe retractor springs return rod 6 and piston 2 into cylinder 1 until stop 7 engages ring 8 to re-establish normal brake clearance. Eventually, ring 8 will be moved into groove 9, where it prevents movement of piston 2 and rod 6 except through the normal brake clearance. On further wear, the brake will become less effective due to shopping of piston 2 by ring 8, and so will indicate to the vehicle driver that the linings require renewal. In Fig. 3, not shown, the stop 7 is replaced by a stop-ring held on the piston-rod by a circlip.
Patent GB-1030953-A (GB)
Title: Polyolefin films
IPC: B29C55/00
Filed: 1964-02-05
Abstract: 1,030,953. Treating polyolefin films. MONTECATINI SOCIETA GENERALE PER L'INDUSTRIE MINERARIA E CHIMICA. Feb. 5, 1964 [Feb. 15, 1963], No. 4892/64. Heading B5B. An extruded poly-α-olefin film, e.g. a polypropylene film, is heated to 40-90‹ C., transversely stretched at 80-110‹ C. with a stretching ratio of 1: 1À1 to 1:1À6, and dimensionally stabilized under conditions of total prevention of shrinkage, to 50-110‹ C. The films may contain additives such as lubricants, stabilizers and anti-static agents, and have preferably undergone longitudinal stretching during extrusion, and quenching at not more than 20‹ C. immediately after extrusion. The treated films have coefficient of friction less than 1, tensile strength in the two orthogonal directions higher than 4.0 kg./mm.<SP>2</SP>, impact strength at -10‹ C. of more than 3 kg. cm., tear strength balanced in both directions, low elongation values at break, good optical characteristics, and low tendency to blocking.
Patent GB-192296-A (GB)
Title: Improvements in or relating to fumigators
IPC: A61L2/20
Filed: 1922-02-20
Abstract: 192,296. Gannow Pulverizer Co., Ltd., and Connor, L. Feb. 20, 1922. Vaporizing by heat.-In fumigators of the type comprising a receptacle or stand containing a candle or nightlight and a receptacle for formaldehyde tablets or other fumigant supported above the first receptacle, the supporting means comprises strips of tin plate or other soft metal permanently connected to one or both receptacles in such a manner as to form a rigid support capable of being bent or folded to facilitate packing. In one form, soft metal strips e are permanently connected to the receptacles a, c so as to form supports, as shown in Fig. 2, or to be folded or bent for packing, as shown in Fig. 1. The receptacle c is provided with an inner vessel d to contain water or other liquid to humidify the vapour given off by the tablets, and is fitted with a lid f which may be perforated. In modifications the strips e may be secured to one receptacle and detachably connected to the other. Figs. 5 and 6 show one such arrangement in which the upper receptacle c is adapted to pack within the lower receptacle, the water vessel d being loosely held in an aperture c<2> so that it may be inverted to pack over the nightlight b. The strips e are permanently fastened to the receptacle a and, when in use as supports, are bent over the top of the upper receptacle which rests on tongues e<4> bent out from the strips e.
Patent GB-490543-A (GB)
Title: Improvements in the manufacture and production of synthetic resins
IPC: C08L67/00
Filed: 1937-02-19
Abstract: Resins are prepared by condensing polyhydric alcohols and polycarboxylic acids, with or without monocarboxylic acids having at least six carbon atoms (or polyhydric partial esters thereof), in the presence of polyvinyl acetate, propionate, or butyrate. Materials specified are: polyhydric alcohols-glycols, glycerol, trimethylolpropane, pentaerythritol, or mixtures thereof; polycarboxylic acids-phthalic, adipic, succinic, and maleic acids, and the tricarboxylic acids obtainable by condensation of maleic acid with colophony or abietic acid as described in Specification 355,281; monocarboxylic acids-natural resin acids such as colophony or abietic acid, and acids from fats, drying, and semi-drying oils.  The polyvinyl ester may be present ab initio or added during the final stages.  In examples: (1), (2), (5) polyvinyl acetate, adipic acid, and (1) glycerol, (2) diethylene glycol, (5) phthalic acid and diethylene glycol, are condensed; (3), (4) polyvinyl acetate, an abietic acid-maleic acid condensate, and (3) diethylene glycol, (4) glycerol monolinoleate, or glycerol and linoleic acid, are condensed; (6) a lacquer consisting of an alcohol solution of polyvinyl acetate and a maleic acid-glycerol condensate is burnt-in; (7) a lacquer consisting of an alcohol-toluene solution of polyvinyl acetate, an abietic acid-maleic acid condensate, and diethylene glycol is burnt-in.
Patent GB-585466-A (GB)
Title: Improvements in transfer apparatus
IPC: B64D1/22
Filed: 1944-03-17
Abstract: 585,466. Regulating brake pressure. DEHN, F. B., (All American Aviation, Inc.). March 17, 1944, No. 5053. [Class 103 (i)] [Also in Groups XXX and XXXII] In a pick up system for aircraft &c. the load 7, Fig. 1, connected to a loop 13 suspended between poles 11 is snatched by a hook 3 on a line 2 connected to a winch 61 in the aircraft, the winch being provided with braking means 80, Fig. 8, which is applied gradually in accordance with the length of line paid out. Further means for absorbing the intial shock before the brake is applied includes a telescopic strut 51 provided with sheaves around which the line is rove before being attached to the winch. The winding drum 61, Figs. 2, 8, is mounted on a shaft 62 and is operated by a hydraulic pump 160 geared to a toothed ring 150 fixed to one part 81 of the disc brake which is mounted in bearings 84, 88 on the shaft 62, the pump being held stationary by a hand brake 168 adapted to be released simultaneously with the operation of the pump by means of a hydraulic cylinder 130 and lever 171, Fig. 2. The winding drum 61, Fig. 8, is provided with a disc brake 80 comprising the disc plate 81, axially sliding plate 76 and pressure plate 92, the brake being gradually applied as the load is snatched, by means of a screwed sleeve 117 on the shaft 62 and an axially movable nut 114 rotated by a stud 110 connected to the disc 81 and held frictionally by a band 134, the nut being connected to brake levers 96 by links 102 and springs 103. Each lever 96 is pivoted at 95 to a lug 94 on the pressure plate 92 and the free end is provided with a fulcrum roller 97 bearing on the disc 81 such that outward movement of the nut operates the brake. When the load is snatched the initial shock is taken in compressing the telescopic strut thereby releasing line and as the load has not reached the speed of the aircraft the line 2 is drawn off the drum thereby rotating the drum and consequently the screwed sleeve 117 in the nut 114, and since the nut is held stationary by the stud 110, the nut slides axially and gradually applies the brake until it locks with the drum and the load is accelerated to the speed of the aircraft. The pump 160 is then operated to haul the load into the aircraft. The nut 114 can be adjusted to any initial position along the screwed sleeve 117 and has to be reset after each operation by screwing it back by a spanner engaging in holes 125 in the nut. The line 2 is attached to the drum 61 by a bolt having a reduced shank which breaks on excessive load. Specifications 574,741 and 585,467, [both in Group XXXII], are referred to.
Patent GB-1074294-A (GB)
Title: Ball resolver
Inventor: TOWNER FRANK RICHARD
IPC: G06G3/00
Filed: 1965-02-05
Abstract: 1,074,294. Ball resolver. SPERRY GYROSCOPE CO. Ltd. Feb.4, 1966 [Feb. 5, 1965], No. 5067/65. Heading G1J. A ball resolver comprises a ball 11 engaged at a first position by a drive roller 12 to rotate the ball about an axis parallel to the roller axis 14, the roller 12 being mounted for angular movement about axis 28, a support roller 30 engaging the ball at a second location off set from said axis 28, the support roller being mounted on a carriage 25 having angular adjustment about axis 28, drive means 21, 22, 23 for rotating carriage 25 so as to maintain the support roller axis approximately parallel to the drive roller axis and output rollers 34 positioned so as to be rotated by the ball. The two output shafts are arranged mutually at right angles and their speeds are proportional to the sine and cosine components of the vector whose magnitude and direction is proportional to the speed and angle of the drive roller. Input spindle 16 is surrounded by a hollow shaft 20 which is rigidly attached to carriage 15 so that rotation of shaft 20 rotates carriage 25 as well as rotating the roller axis 14.
Patent GB-1346382-A (GB)
Title: Agricultural implement
IPC: A01B19/06
Filed: 1972-02-03
Abstract: 1346382 Oscillating tools H VISSERS NV 3 Feb 1972 [11 Feb 19711 5083/72 Headings A1B and AID An agricutural tool, e.g. a spreader nozzle 13, is oscillated about a vertical axis 10 by means of a fork 15 which has its shank rotatably journalled in a bearing set eccentrically in a fly wheel 16, and its prongs pivoted horizontaly about pins 14 projecting from the sides of the bowl 11 to which the nozzle is attached. As the flywheel 16 is rotated by the tractor the nozzle is oscillated from side to side. The end 23 of the shank of the fork is supported in a bearing 28 in a recess 36 in the flywheel and can be freed in order to replace the fork by releasing the shank of the fork from the bearing, removing the bearing from the flywheel, removing the cover 38 from over the the pins 14. The prongs of the fork are then recess 36, and swinging the fork clear about removed from pins 14. A harrow 100 has its frame oscillated by a similar arrangement of a flywheel 117 and a fork 122. The prongs of the fork 122 are pivoted about two arms 124 of a crank 125, which itself has two arms 126 at the ends of which are vertical journals 128 that carry the beams 111 which are oscillated by the crank 125. These beams carry the tines 112. The crank 125 oscillates about a vertical axis in the transverse beam 101, at each end of which, pivotally connected to the beam, is a lever which is pivoted at each of its ends to one of the beams 111.
Patent GB-1519942-A (GB)
Title: Data transmission arrangements
IPC: H04L1/00
Filed: 1977-02-08
Abstract: 1519942 Error detection SIEMENS AG 8 Feb 1977 [12 Feb 1976] 05190/77 Heading H4P In a data transmission arrangement wherein data and check (parity) characters pass from transmitter DS to receiver DE via switching stages S 1, S2, S3, a (parity) checking stage PS1, PS2, PS3 preceding each switching stage, should any checking stage indicate, by means of a signal F1, F2, F3, that an error has occurred, a correcting element K1, K2, or K3 functions to invert the parity character of the data and check characters when a corresponding error signal F1, F2, or F3 is emitted, so that the data and check characters as passed to subsequent checking stages appear correct, no further error signals being emitted. Thus diagnosis is more reliable since in general only one error signal is emitted, that error signal passing to fault analysis unit FA, which passes signal A to the receiver, so that the data and check characters it receives are recognized as erroneous. Each data word may comprise eight data and one or more parity bits, the correcting elements comprising exclusive-OR gates, the parity checking stages being per-se known integrated circuit arrangements.
Patent GB-840068-A (GB)
Title: Improvements in instruments for detecting ice conditions of the atmosphere
IPC: B64D15/20
Filed: 1958-02-18
Abstract: 840,068. Meteorological instruments. ARMO Inc. (Grieger, T. H.). Feb. 18, 1958, No. 5267/58. Class 97(3) [Also in Group XXXIII] An icing detector comprises a projecting mast 5 carrying, at its outer end, a disc 6 on a shaft 12 continuously rotated by a motor 22 with reduction gearing 23, a feeler 26 being disposed near the periphery of the disc on a parallel shaft 25 so that formation of ice on the disc 6 causes movement of the feeler and rotation of the shaft 25 to operate a switch 29 through a cam 28. This completes a circuit through a heater in the disc 6, fed through slip rings 14, 15, to remove the ice from the disc. At the same time a warning lamp is lit. The mast 5 is continuously heated by an external or embedded heater at its leading edge. Closure of the switch 29 also operates de-icing equipment for the surface.
Patent GB-1495782-A (GB)
Title: Doppler radar device
IPC: G01S7/02
Filed: 1975-02-07
Abstract: 1495782 Radar PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 7 Feb 1975 [11 Feb 1974] 5301/75 Heading H4D A miniature Doppler radar transmits a linearly polarized e.m. wave from a horn aerial flared in the H-plane, Fig. 2 and having a rectangular internal cross-section, the Doppler frequency shifted echo signal being detected by a semi-conductor diode 19, Fig. 1, extending between the H walls of the horn and the diode 19 being shielded from the transmitted wave by a conductive tube 17 extending from one H wall to the other and lying on the axial plane (plane of Fig. 1) of the horn. The tube, which may be gold plated copper, may carry the leads 24 from the diode. If only a weak e.m. wave is transmitted, the diode 26 may be offset from the axial plane, Fig. 3, so as not to be fully shielded by the tube 17A.
Patent GB-101924-A (GB)
Title: Improvements in Hot Water Boilers.
Inventor: GILLESPIE WILLIAM
IPC: F24H1/28
Filed: 1916-04-11
Abstract: 101,924. Gillespie, W., and Cooney, C. April 11, 1916. Annular boilers; internally - fired boilers.-An annular water chamber 6 is surrounded by a flue 9 divided 'by vertical b a ffl e s 16 - - 19, which cause the gases to take a sinuous course from the outlet 10 of the combustion chamber 3 to the flue outlet 21. Air is led into the gases from a casing 23 having perforations in its inner wall and a sliding damper on its outer wall for regulating the admission of air. The top of the combustion chamber is closed by a hollow head 7 formed integral with the annular chamber.
Patent GB-176741-A (GB)
Title: Improvements in or relating to railway signalling apparatus
IPC: B61L1/18
Filed: 1920-12-01
Abstract: 176,741. Tattersall, A. E. Dec. 1, 1920. Addition to 153,374. Electrical systems, automatic. - In a signalling system as described in the parent Specification, the regulating-means in the primary circuit of the railfeeding transformer are omitted and in place thereof two secondary windings 3, 4 are used on the transformer, one being connected directly to the track rails 5, the other being connected to an adjustable condenser 6.