baber/WOPTO huggingface dataset:
Patent GB-1316178-A (GB)
Title: Power-operated acoustic means
IPC: G10K9/04
Filed: 1970-11-26
Abstract: 1316178 Warning horns FALCON SAFETY PRODUCTS Inc 26 Nov 1970 [20 March 1970] 56209/70 Heading G5J A compressed gas operated horn, mounted on a container holding a compressed or liquefied gas, e.g. " Freon " (Trade Mark) is designed to be hand-held and operated by tilting the horn body 30 relative to the container to open valve 20, which consists of four small apertures 23, radially mounted on the circumference of stem 22, which is closed at its inner end by head 24. Interposed between head 24, stem 22, and container cap 14, is resilient gasket 26, which deforms on tilting the horn body to allow gas to escape from the container through apertures 23, stem 22, passage 391 into chamber 35. The horn body, made of a resilient plastics material, is mounted on stem 22 by means of thread 29 and flange 27, which prevents inadvertent removal of horn body 30, by engaging the lower annular shoulder portion of bevelled flange 27, and necessitating forcible removal of the horn body. The horn body 30, is moulded of plastics material having circular form at each end with a cap part or cover 31 closing one end. The horn body is formed with a flared trumpet 33, and throat 34 which is surrounded by four secondary chambers 35 separated by stiffening members (36, not shown). Exterior stiffening members 37, offset from internal webs 36, run lengthwise of trumpet portion 33. Cup-shaped resilient cover 31, engages in complementary ridge 30a and recess 30c to firmly hold at its periphery the thin metal or plastics diaphragm 40, which has a tiny bleed hole at its centre to relieve any pressure build-up caused by gas leaks.
Patent GB-1299239-A (GB)
Title: Dual torque indicator
Inventor: BRINDLEY HANBY SAM
IPC: G01L3/02
Filed: 1970-11-30
Abstract: 1299239 Indicating device TEXTRON Inc 30 Nov 1970 [4 Dec 1969] 56705/70 Heading G1J A device for indicating a function such as the torque, fuel supply or fuel-flow of a pair of engines comprises two coaxial pointers 12, 14 indicating the value of the function for the second and first engines respectively on scale 16 and a further coaxial pointer 15 indicating on scale 18 the sum of the values of the function for each engine. Pointer 12 is driven from motor 21 via gears 23, 24 and shaft 25, Fig. 2, while pointer 14 is driven from motor 26 by gears 29, 30 and shaft 31 coaxial with shaft 30. Pointer 15 is carried by a disc 47 rotatably mounted behind the scale plate 11, the pointer 15 passing through a slot 19 in the scale plate. Disc 47 is driven from a differential unit 64, Fig.3, via gears 68, 69, the output of the differential unit 64 being the average of the movements applied to shafts 25 and 30, which movements are coupled to the input gears 62 and 65 of the differential unit from gears 24 and 30 respectively. The disc 47 is supported at its edge by bearings 79, 80, and 81 (80, 81 only shown in Fig. 2) engaging a groove in the edge. The instrument is illuminated by means of a lamp 74 and prism 75, Fig. 3.
Patent GB-1456032-A (GB)
Title: Electro-optical retrieval systems
IPC: G11B7/24
Filed: 1973-12-07
Abstract: 1456032 Automatic control of position VIDEONICS OF HAWAII Inc 7 Dec 1973 [20 Dec 1972] 56797/73 Heading G3R [Also in Division G5] A selected recording in a record 11 having optical recordings at three or more different depths therein is played back by means of an electrooptical detector 13 under the lateral and vertical control of a tracking and focussing system 12 including a lens 14 and a light source 16. Lateral tracking is achieved by a servo-amplifier 20 acting on lens 14 to equalize the light falling on the two halves 17a, 17b of a split photo-detector 17. A  second servo-amplifier 26 effects vertical tracking under the control of a phase detector 25, which compares the outputs of an oscillator 27 which causes the lens 14 to vibrate up and down and of an envelope detector 50 which receives the sum of the signals from the two halves of the photodetector 17.
Patent GB-1370998-A (GB)
Title: Wheels
IPC: B60B37/10
Filed: 1972-12-11
Abstract: 1370998 Vehicle wheels M LACERTE 11 Dec 1972 56990/72 Heading B7C  To facilitate the interconnection of a tyre with a wheel rim on which it is moulded, the rim is provided with a circumferentially extending groove and a plurality of circumferentially spaced, axially extending holes and communicating with the one circumferentially extending groove. As illustrated in Figs. 3 and 4 the rim has a radially outwardly extending projection 26 provided with grooves 30 and holes 32. In the modified embodiment of Fig. 8 holes 36 extend axially inwardly from each side of the projection 26 as far as the adjacent groove 34. The wheel is preferably integrally cast from aluminium alloy and the tyre is preferably of polyurethane.
Patent GB-1439687-A (GB)
Title: Bag-handling methods and apparatus
IPC: B65B43/30
Filed: 1973-12-11
Abstract: 1439687 Bag filling machine; separating sheets EL CU SpA 11 Dec 1973 [18 July 1973] 57254/73 Headings B8C and B8R An apparatus for extracting and transferring a bag from a pile of bags 10 comprises first rotatable arms 28 for picking up the uppermost bag and moving it into a vertical plane, second rotatable arms 36, (38), Fig. 2 (not shown), for gripping the bag adjacent its open end 26 and moving the bag walls apart at this end 26 as the bag is carried, within the vertical plane, into engagement with the mouth 16 of a hopper 14, and clamps (48, 50), Fig. 3 (not shown), for holding the bag on the hopper mouth 16. Suckers 30, 40 on the first and second arms grip the bag. The first and second arms and the clamps (48, 50) are moved by pneumatic piston and cylinder units such as 42. The movements of the arms and clamps and the application of vacuum 3 to the suckers 30, 40 are controlled automatically by a system incorporating microswitches.
Patent GB-1197266-A (GB)
Title: Improvements in or relating to Circuit Arrangements for Magnetic Recording
IPC: G11B5/49
Filed: 1968-12-05
Abstract: 1,197,266. Preventing crosstalk in magnetic heads. SIEMENS A.G. 5 Dec., 1968 [6 Dec., 1967], No. 57807/68. Heading G5R. Crosstalk between adjacent heads of a multitrack recording system is reduced by connecting together the non-corresponding supply lines of adjacent heads through resistors R1 of equal value, and connecting both supply lines of the outer heads to a reference potential through resistors R2 of twice the value. The write currents are selected to be greater than normal to compensate for the weakening of the write fields when adjacent heads are of differing polarities, and are automatically reduced when the adjacent heads are of the same polarity by shunting the respective currents via two resistors R1 for the intermediate heads S2, S3 and via resistors R2, R1 (# 3R1/2) for the outer heads since they are subject to less weakening, having only one neighbour. The heads S1-S4 are fed from a bridge circuit (Fig. 1, not shown) incorporating electronic switches (E1, E2) and are connected in series with resistors R3(# 10R1) to provide constant current recording.
Patent GB-1243300-A (GB)
Title: Hats for wear in kitchen
Inventor: PROCIDA CARMINE
IPC: A42B1/04
Filed: 1969-11-27
Abstract: 1,243,300. Disposable hats. C. PROCIDA. 27 Nov., 1969 [27 Nov., 1968], No. 58122/69. Heading A3V. A paper hat 1 of crepe paper comprises a crown portion with a peripheral wall 5 and an apertured top closure 3, and a sweat-absorbent band 2 preferably of a plurality of layers of crepe paper with the direction of maximum stretch in the circumferential direction. The hat may be collapsed for storage and transit.
Patent GB-1447615-A (GB)
Title: Resilient webbing
IPC: B32B25/10
Filed: 1972-06-15
Abstract: 1447615 Laminates E B HAMEL & SON Ltd 12 Sept 1973 [15 June 1972] 58187/71 Heading B5N [Also in Division D1] A resilient webbing comprises a resilient material 11 applied to a fabric reinforcement which extends longitudinally of the webbing and which includes a set of knitted together support yarns 13 and a plurality of working yarns 14 arranged in side by side parallel arrangement and each following a sinuate path extending longitudinally of the fabric. Two superposed sets of working yarns 14, 15 of viscous rayon may be provided, laid into the nylon support yarns 13, the latter supporting the working yarns while the resilient material 11, which may be of natural or synthetic rubber or polymer is applied to both faces of the fabric.
Patent GB-1450558-A (GB)
Title: Apparatus fr checking the balance of a vehicle wheel
IPC: G01M1/06
Filed: 1973-12-18
Abstract: 1450558 Checking wheel balance G BRISARD 18 Dec 1973 [18 Dec 1972] 58452/73 Heading G1X Apparatus for checking the balance in situ of the front wheel of a motor cycle comprises a pivotally mounted lever constituted by a pair of spaced apart arms 3, 4 having at their one ends support members 5 for the front axle of the vehicle and, remote from said ends, a lifting device 8 which can be actuated to tilt the lever about its pivot axis 2 and thereby lift the wheel R to be checked clear of the ground. The apparatus is also provided with one or more detectors for indicating inbalance of the wheel when supported and rotated on the apparatus. The or each detector may comprise a Piezo-electric element for detecting vibrations, a core and coil arrangement 10, 11, or non-electric devices. An electric motor 13a for rotating a drum 13 which is engageable with the wheel R may be provided and the lifting device may be in the form of a pneumatic of hydraulic jack.
Patent GB-1402474-A (GB)
Title: Sound reproduction systems
IPC: H04H20/89
Filed: 1972-12-20
Abstract: 1402474 Quadraphonic systems SANSUI ELECTRIC CO Ltd 20 Dec 1972 [21 Dec 1971] 58757/72 Heading H4R A system for producing four output signals from a two-channel stereophonic source 10 includes a converter 11 which combines the two channels L, R to form two composite signals L<SP>1</SP>, R<SP>1</SP> and a matrix circuit 12 which generates four outputs from either the original L, R or the composite L<SP>1</SP>, R<SP>1</SP> signals. The composite signals are used to derive control signals for varying the matrix coefficients. This enhances the surround effect in the reproduction of normal 2-channel stereophonic sources by moving the image produced by, e.g. a left only signal towards the rear-left, and also increases left-right and frontrear separation in the reproduction of matrix 4- channel sources. In Fig. 1, the converter 11 produces composite signals L<SP>1</SP>=L-αR and R<SP>1</SP>=R-αL so that a left-only signal will result in signals FL= L(1-#α) and RL=L(1+#α) at the output of matrix circuit 12, effectively shifting the leftonly signal towards the rear-left position SRL Phase shifters 19, 21 restore the rear channels inphase. The converter 11 may be a passive mixer (Fig. 5, not shown) or transistor circuit (Figs. 6, 8, not shown) with ganged potentiometers to vary the coefficient α between positive and negative values. In the reproduction of matrix four-channel sources, the two reproduced channels are fed to a converter as before and the converter outputs L<SP>1</SP>, R<SP>1</SP> fed to a control unit (49, Figs. 3, 4, not shown) producing signals (EC1, EC2) to adjust the matrix parameters # (usually 0À4) according to phase-difference between the composite signals L<SP>1</SP>, R<SP>1</SP>. The matrix circuit receives either the L, R signals in which case the converter potentiometers produce difference signals L<SP>1</SP>, R<SP>1</SP> to move, e.g. a left-only signal rearward, or receives the L<SP>1</SP>, R<SP>1</SP> signals in which case the potentiometers produce sum signals L<SP>1</SP>, R<SP>1</SP> to increase front-rear separation and improve left-right separation of the front signals. The control and matrix circuits are outlined in this specification but more fully described in Specification 1,402,320.
Patent GB-1428520-A (GB)
Title: Electronic spark timing control system for internal combustion engine
IPC: F02P5/155
Filed: 1973-12-27
Abstract: 1428520 Ignition systems; timing ignition NISSAN MOTOR CO Ltd 27 Dec 1973 [26 Dec 1972] 59804/73 Heading F1B An electronic spark advance control system for an internal combustion engine comprises means for generating a reference timing pulse at a first point in time during each engine cycle, means for delaying the reference pulse in accordance with signals supplied from first and second function generators 25, 25a to provide ignition at a variable timing, means for generating an advance timing pulse at a second point in time during each engine cycle and advanced relative to the first point, means 28 for sensing the starting operation of the engine for enabling the advance timing pulse to provide ignition at an advanced timing and circuit means for inhibiting the reference timing pulse while the advance timing pulse is enabled. The timing pulses are produced by spaced electromagnetic pick-up coils 11, 12 disposed in the ignition distributer (not shown). In the case of a motor vehicle engine the system comprises means 29 for sensing the voltage of the voltage source and means for sensing the neutral position of the change speed gear of the vehicle. The system may further comprise means 22 for sensing normal operation of the engine and means 21 for sensing warming up operation of the engine.
Patent GB-1420880-A (GB)
Title: Ball bearing assemblies
IPC: F16C29/06
Filed: 1973-12-31
Abstract: 1420880 Bearings ROCKWELL INTERNATIONAL CORP 31 Dec 1973 [22 Feb 1973] 60177/73 Heading F2A A recirculating ball bearing assembly for a shaft 12 comprises concentrically fitting inner and outer sleeves 14, 16, the inner sleeve 16 defining ball-recirculation paths, and the balls in their load-bearing sections contacting the inner surface of the outer sleeve 14 at a plurality of raceway surfaces 22 provided thereon, there being smooth transition portions 30 contiguous with the ends of said raceway surfaces and defined by curves tangent to the raceway surfaces and blended with recesses 28 so as to present no abrupt changes in direction for said balls. The transition portions 30 may be made with a soft rotating tapered lapping tool, which may include abrasive-impregnated wood, leather or plastics. Alternatively, a soft rope material impregnated with abrasive, a wheel, or an internal grinder may be used. The lapping process is carried out after substantially all other surfaces of the outer sleeve have been generated.
Patent GB-1260260-A (GB)
Title: A stirring device
IPC: B01F7/00
Filed: 1970-12-21
Abstract: 1,260,260. Mixing apparatus. NAUTAMIX PATENT A.G. 21 Dec., 1970 [30 Dec., 1969], No. 60692/70. Heading B1C. Mixing apparatus comprises a vessel 2 provided with at least one screw 4 extending upwardly and having its ends spaced from the axis of the vessel and at least one screw 14 extending parallel to the bottom surface 3 of the vessel, each of the screws 4, 14 being rotatable about its own axis and the axis of the vessel. The vessel may be of inverted frusto-conical shape or cylindrical. The screw 14 may be arranged either close to or at a considerable distance from the bottom of the vessel.
Patent GB-1247428-A (GB)
Title: Gas manufacture
Inventor: SMITH CALVIN SCHWARTZ
IPC: C01B3/34
Filed: 1969-12-17
Abstract: 1,247,428. Combustible gas mixtures. CHEVRON RESEARCH CO. 17 Dec., 1969 [31 Dec. 1969], No. 61572/69. Heading C5E. High pressure H 2  is produced by reforming a hydrocarbon feed, e.g. natural gas, with low pressure steam, and compressing the H 2 - containing product gas in a centrifugal or axial flow compressor which is driven by a turbine driven by high pressure steam, low pressure exhaust steam from the turbine being used in the reformer. There should be a difference in pressure of at least 150 p.s.i.g. between the high and low pressure steam, which may range respectively from 200 to 2000 and 50 to 550 p.s.i.g. The preferred embodiment illustrated may be modified by injecting butane into the gas prior to compression, and CO 2  may be removed from the gas before injecting the butane. Compression may precede CO-shift conversion, which may comprise a first stage operated at 650‹ to 800‹ F. using an Fe-Cr catalyst, and a second stage operated at 350‹ to 500‹ F. and using a Cu-Zn catalyst.
Patent GB-1327230-A (GB)
Title: A-paratus for stacking plastics bags
IPC: B31B19/98
Filed: 1970-12-30
Abstract: 1327230 Delivery sheets WINDMOLLER & HOLSCHER 30 Dec 1970 [16 Jan 1970] 61793/70 Heading B8R Stacking apparatus for plastics bags comprises a plurality of gripper bars 6 provided with grippers (8), Fig. 5 (not shown), e.g. opened and shut by a stationary cam track (24), for gripping the leading edges of the bags, e.g. as they issue from a bag making machine A, and conveying them to a stacking station, e.g. an intermittently movable endless belt 48 on which counted batches St are formed, guide members on each side of the conveying path having endless guide grooves 5 for guiding the ends of each gripper bar 6, catch means (11), (11<SP>1</SP>) at the ends of each bar being engageable with latch means (20), (21) on two pairs of endless chains (12), 12<SP>1</SP>, (13), 13<SP>1</SP> arranged one behind the other in the conveying direction a, the upstream pair (12), 12<SP>1</SP> moving in operation faster than the downstream pair (13), 13<SP>1</SP> and moving through a vertical plane GG in an opposite direction to the downstream pair, such that the gripper bars 6 are moved round the path defined by the endless grooves 5 by the chains, the bars being transferred from one pair of chains to the other pair when in said vertical plane GG. Bags may be fed via conveyer belt 54 to a cam controlled, dropping segmented roller 32 and co-operating roller 31 which feed each bag at the correct time to passing grippers (8). The drive to the upstream chains (12), 121 may be via elliptical gearing so that bags are removed relatively quickly from the rollers 31, 32 and then advanced more slowly to plane GG. The trailing ends of the bags may be supported on a stationary drag table 47. The apparatus may be adjustably positioned relative to the bag making machine.
Patent GB-1276108-A (GB)
Title: Crop-drying oil burner
IPC: F23C7/00
Filed: 1969-12-23
Abstract: 1276108 Oil burner; drying grain STAN. DARD OIL CO 23 Dec 1969 [27 Dec 1968] 62534/69 Heading F4G and F4T An oil burner 10 for a crop dryer 14 comprises a chamber 64 having a front opening 100 and rear openings 106, (108), Fig. 5 (not shown), sized to allow air to enter at a rate to provide smoke free combustion while not causing undue cooling, blades 110 producing a vortex which is surrounded by a laminar-like barrier air stream produced by openings 106. A plate 98 produces a recirculating air stream that flows counter to the barrier air stream and into the vortex of swirling air. One or more spray nozzles 120 injects oil and ignition is by sparking electrodes 122, 124. The portable crop dryer 14 consists of a hopper 24 which feeds moist grain 16 via inclined walls 26 and 28 to the top of a perforated roof 30 of internal housing 32 which has perforated side walls 34 within perforated side walls 36 of external housing 40. The internal housing 32 is divided by a partition 46 into upper section 48 supplied with hot air by burner 10 and lower section 50 supplied with cool air by fan 52, so that when grain arrives at passageways 42, along which it is carried to ports 58 and 60 by augers 54, it is both dry and cool.
Patent GB-643485-A (GB)
Abstract: 643,485. Making dynamo-electric machines. BRITISH THOMSON-HOUSTON CO., Ltd. July 31, 1947, No. 20863. Convention date, July 31, 1946. [Class 83 (ii)] A method of treating a laminated magnetic core member having an electrically conducting winding cast into peripheral slots, comprising heating the member for a short time to a temperature slightly below the melting point of the cast winding and then rapidly cooling as by quenching. A plurality of circular laminations are assembled on an arbor 2 to form a core 1 with winding slots 3 and the whole is then dipped into a thin clay and water mixture and dried. This forms a thin insulating layer over the core. Any other thin insulating wash may be used. Aluminium is then cast around the core to form windings 5 in the slots 3 connected by end rings 4, after which the member is finished to the required dimensions by turning or grinding. This latter operation tends to smear the aluminium over and between the laminations, thus introducing core losses under normal running conditions and in order to correct this, the core is heated by high-frequency induction to a temperature slightly below the melting point of aluminium and is then rapidly cooled, as by quenching. It is stated that any metal which may have become embedded between the laminations becomes liquid and by surface tension is drawn back into the main body of metal in the slots. The heating is effected by means of a number of coaxial water-cooled induction-heating coils surmounted by a quenching spray ring.
Patent GB-2032094-A (GB)
Title: Solar collector panel
IPC: F24S10/75
Filed: 1978-10-20
Abstract: A solar collector panel comprises a rectangular glass-fibre tray 10 containing a block 15 of expanded polyurethane. The block 15 has a plurality of parallel semi-circular cross-section grooves 16 in which semi-circular cross-section heat exchange pipes 17 are received. The pipes 17 are soldered or bonded to the underside of a copper collecting sheet which lies on the block 15. The pipes 17 are connected to header pipes connectable to a water supply system. The tray is covered by a translucent or transparent cover 19 of plastics material which provides protection against weather and damage and heat loss by re-radiation. <IMAGE>
Patent GB-2037606-A (GB)
Title: Laminar charge of a catalyst of precious metals for oxidation of ammonia to nitric oxide
IPC: B01J35/06
Filed: 1978-12-21
Abstract: A laminar charge of a catalyst of precious metals for the oxidation of ammonia to nitric oxide, and especially in the production of nitric acid, consists of two or three catalytic layers of differing chemical composition. In the first layer, reckoned in the direction of gas flow, a catalyst is used the main component of which is platinum. In the second layer a catalyst is used the main component of which is palladium in such an amount that the bond intensity, calculated for the platinum catalyst, without regard to the palladium catalyst and expressed in tons of ammonia passed per 24 hours, per square meter of the active geometrical surface, calculated for the wire diameter of the new gauge is greater than 0.25 (1 + p), where p is the absolute pressure in the ammonia oxidiser. When a three-layer arrangement is employed the additional third layer is constituted by elements the main component of which is platinum of a heat-resisting grid which minimises mechanical losses of the palladium catalyst.
Patent GB-2039730-A (GB)
Title: Hammock support assembly
IPC: A45F3/24
Filed: 1979-01-18
Abstract: An assembly for supporting a hammock in a raised position comprises a frame (10) adapted to be connected to a hammock for suspending the hammock therefrom, a plurality of legs (26) and socket means (20, 21) on the frame (10) for receiving end portions of the legs (26) so that, in a raised position, the frame (10) is supported on the legs (26) with the said end portions thereof located in the socket means (20, 21). A canopy support frame (28, 29) is mounted on the frame (10) and is held at the selected angular position by a screw clamp (34) and a projection (31) locatable in apertures (19, 22, 23). <IMAGE>
Patent GB-2012540-A (GB)
Title: Improved forage harvester
IPC: A01D43/08
Filed: 1979-01-19
Abstract: A forage harvester has a first rotor (2) to cut or lift the crop from the ground and a second chopper (16) in the delivery chute which receives a stream of cut crop impelled from the first rotor (2). <IMAGE>