baber/WOPTO huggingface dataset:
Patent GB-1212830-A (GB)
Title: Improvements in and relating to paper-making apparatus
Inventor: KOBAYASHI TADASHI
IPC: D21F11/04
Filed: 1967-11-13
Abstract: 1,212,830. Papermaking. T. KOBAYASHI. 13 Nov., 1967, No. 51584/67. Heading D2A. Apparatus for making paper comprises a perforated cylinder (1) with means for discharging water from its interior, an endless foraminous screen (13) passing about the cylinder in a closed path that includes a horizontal section ending at the top of the cylinder, means (15) for dispensing paper stock on to the horizontal section, an endless felt (21) passing round the cylinder to sandwich a layer of stock between itself and the outer surface of the screen, and a couch roll (20) arranged to squeeze this sandwich between itself and the cylinder. As shown, the other end of the horizontal section is supported by a breast roll 12, and between it and the cylinder 1 are a formation table 16, foils 17 and a suction box 18; the felt 21 passes round the guide roll 19, and cylinder 1, leaving the latter at the couch 20. A wedge-shaped suction member (Fig. 5, not shown) may be placed in the space N, to remove water. Two or more of these apparatus may be placed in series with a common felt 21 (Fig. 3, not shown) to make multiply paper.
Patent GB-1412897-A (GB)
Title: Switchable frequency tone filter and detector with high speed switching capability
IPC: H04Q1/30
Filed: 1973-11-07
Abstract: 1412897 Selective signalling MOTOROLA Inc 7 Nov 1973 [7 Nov 1972] 51635/73 Heading G4H [Also in Division H3] The invention relates to a switchable frequency filter which is capable of responding to a plurality of predetermined tones in rapid succession. The filter has a predetermed energy build up and decay rate in response to the tones, and speed of operation is ensured by temporarily increasing the bandwidth of the filter after detection of a tone frequency to increase the decay rate before selecting the next frequency to which the filter is to respond. The filter 19 comprises operational amplifiers 38, 43, 50 with a resistor 48 and a capacitor 49 which respectively determine the pass frequency and the bandwidth of the filter. Connection of a capacitor 60 in parallel with capacitor 49 increases the bandwidth, and connection of one or more resistances 67 ... 90 in parallel with resistor 48 alters the frequency to be passed. A signal containing an audio part and a sequence of tones constituting an address is received at 10, 11 and passed to amplifier 12 which is held inoperative until a circuit 15 containing filter 19 has detected the required tone sequence. Detection of a frequency causes a counter 21 to be incremented and a timing circuit 22 to switch capacitor 60 into filter 19 so as to increase the bandwidth for a predetermined time. The output from 21 causes a diode matrix 23 to output a signal 24 to the filter to switch in a new combination of resistors 67 ... 90 so as to select the next frequency. When all the tones have been detected, counter 21 actuates an "audio alert" device 30 and enables amplifier 12.
Patent GB-1412898-A (GB)
Title: Process for the preparation of dithiazolyl disulphides
IPC: C07D277/22
Filed: 1973-11-07
Abstract: 1412898 Dithiazolyl disulphides RHONEPOULENC SA 7 Nov 1973 [8 Nov 1972] 51700/73 Heading C2C 2,2<SP>1</SP>-Dithiazolyl disulphides of formula in which R 1  and R 2 , which may be identical or different, each represents hydrogen, halogen, nitro, C 1-5  alkyl or alkoxy, or an unsubstituted aryl, haloaryl, nitroaryl, alkaryl or alkoxyaryl radical, where the aryl residue contains 6 to 12 carbon atoms and the alkyl or alkoxy residues contain 1 to 5 carbon atoms, or R 1  and R 2  together form a divalent radical of formula in which R<SP>1</SP>, R<SP>11</SP>, R<SP>111</SP> and R<SP>1111</SP>, which may be identical or different, each represents hydrogen, halogen, nitro, C 1-5  alkyl or alkoxy, or an unsubstituted aryl, haloaryl, nitroaryl, alkaryl or alkoxyaryl radical where the aryl residue contains 6 to 12 carbon atoms and the alkyl or alkoxy residue contains I to 5 carbon atoms, are prepared by oxidation of a 2-mercapto-thiazole of formula using molecular oxygen and iron chloride in a solvent comprising a C 1-10  saturated aliphatic alcohol. Examples prepare 2,2<SP>1</SP>-dibenzothiazolyl disulphide. Many other compounds are specified.
Patent GB-1499560-A (GB)
Title: Photomultiplier tube gain regulating system
IPC: G01J1/42
Filed: 1975-12-18
Abstract: 1499560 Photometric analysis apparatus UNITED STATES ENERGY RESEARCH & DEVELOPMENT ADMINISTRATION 18 Dec 1975 [8 April 1975] 51774/75 Heading G1A In photometric analysis apparatus the gain of a photo-multiplier tube 26 is set by comparing its output with a pre-set reference voltage in comparator 28 while the input from D.C. high voltage supply 25 steadily increases in direct proportion to the reading in counter 23; when the output and reference voltages are equal the comparator 28 output causes the supply of pulses to the counter 23 to be interrupted and the counter reading and hence the PMT gain remains constant until the end of the analysis. The apparatus further comprises a rotor provided with a plurality of cuvettes for receiving test samples and reagents, means for rotating the rotor at high speed, a stationary photometer system including the said PMT for scanning the cuvettes during rotation, and a readout device connected to the output of the photometer system for evaluating the signals received. The value of the reference voltage is governed by the type of photometric measurement, i.e. absorption, light scattering, fluorescence, chemiluminescence.
Patent GB-1371379-A (GB)
Title: Auto equalizer apparatus
IPC: H04L25/04
Filed: 1971-11-08
Abstract: 1371379 Digital transmission; distortion COLLINS RADIO CO 8 Nov 1971 [29 March 1971] 51778/71 Heading H4P A method of measuring distortion components in a received phase modulated carrier suffering from inter symbol interference comprises demodulating the carrier to provide a first signal having a main component of each symbol and distortion components supplied by other symbols, separately adjusting the first signal in accordance with a characteristic of each of the phase shifts contributing distortion products to produce a plurality of second signals each of which are separately averaged over a sequence of symbols to produce a plurality of third signals each indicative of the distortion component contributed by a given symbol to the first signal, which are applied in the arrangement described to reduce distortion components relative to each main component. A PSK receiver comprises a basic demodulator 54 providing x, y components relative to a reference which are applied to a positive rotate phase block 60 also to an equalizer 62 having sets of outputs the first set being supplied to a minus rotate phase block 68, and the second set, representative of the last but one pulse, is applied to a minus rotate phase block 74 which feeds back real and imaginary components through averaging circuits 76, 78 to block 60. Block 60 has outputs 86, 88 to equalizer 66 which subtract from inputs 56, 58 to provide outputs on 64, 66 which are substantially equalized for prepulse distortion. Block 68 supplies signals indicative of negative phase rotation on leads 90, 92 which are stored in blocks 94, 96 respectively before being supplied to adders 98, 100 also to positive rotate phase block 102 forming part of post pulse distortion measurement. 102 has real and imaginary outputs to averaging circuits 124, 126 which feed into negative rotate phase block 118 where they are individually rotated then combined in accumulation blocks 128, 130 where they are fed back to adders 98, 100; these each have an output to phase measuring block 106 which measures phase displacement between the previous and present signals and furnishes a signal to computer blocks 110 feeding into block 74, and block 112 feeding blocks 102, 118. Block 112 output may be in parallel or may be time shared and block 102 output is also time shared. Output from the arrangement is taken from lead 108. Detailed arrangements for the individual blocks are given in the Specification together with theoretical treatment of the arrangement.
Patent GB-1065900-A (GB)
Title: Improvements relating to a loom for weaving
IPC: D03D35/00
Filed: 1964-12-21
Abstract: A weft inserter (56) (Figs. 4 and 5, not shown) is operated by sun and planet gears (34), (32) to provide a dwell outside the shed during beat-up.  The inserter (56) is mounted on a carriage (45) that is reciprocated by a link (38) pivoted on the planet gear (32) which is moved around the stationary sun gear (34).  Selvedge: The weft (F) is supplied to the inserter (56) and leaves it through holes (58), (60).  A reciprocated deflector (66) pushes the weft into the path of a notch (64) so that it straddles the inserter and, at the other side of the loom may be knitted by a needle (68) (Fig. 7, not shown) that is reciprocated on guide rods by a link (82) and a bell crank (80), pivoted at (78) and moved by a face cam (72).  Beat-up motion (Fig. 6, not shown).  The sley (88) has a dwell at back centre obtained by links (100), (98) and a link (94) moved by a crank (92).
Patent GB-1488498-A (GB)
Title: Apparatus for automatically returning a pick-up arm in a record player
IPC: G11B3/085
Filed: 1974-12-04
Abstract: 1488498 Record player TRIO ELECTRONICS Inc 4 Dec 1974 [12 Jan 1974 (2)] 52350/74 Heading G5R In a single record player a cam plate 8 is rotated by hand lever 12 to a latched position at the start of record play and during this movement acts to switch on the record drive motor, to lower a previously positioned pick-up into the record start groove and to un-mute the playback output circuit; at the end of record play the cam plate is unlatched and during its automatic return to its initial position raises the pick-up arm, returns it to its rest, mutes the output circuit and switches off the drive motor. The cam plate 8 is rotated clockwise against the action of spring 10 by rod 13 coupled to the hand lever 12. During this movement power switch 32 is released from notch 8b of the cam, lower bar 14a of crossed cam 14 engages and is rotated through 90 degrees by fixed part 16 to prepare bar 14b for operation at the end of record play, the lower end of pick-up arm lifter 7 is guided down the inclined part 8a of the cam to lower the pick-up arm, part 17b<SP>1</SP> of arm 17b of 4-armed lever 17 engages notch 8c of the cam to latch it during record playback and due to the clockwise rotation of the 4-armed lever, in which direction the lever is urged by its resilient arm 17a, the muting switch 28 is released and arm 20b of an end of play detector arm 20 is disengaged by arm 17c. In addition a reset arm 18 having a part 18a engaged in cam slot 8e is moved out of engagement with an actuating arm 19. As the pick-up approaches the end of record play part 5a of return actuating plate 5 engages the arm 19 which is frictionally coupled to the detector arm 20 and moves the arm 20 towards pin 28 which rotates with the turntable. At the end of play the arm 20 is rotated by the pin 23 and its part 20b engages arm 17d of the lever 17 to rotate this counter-clockwise. Arm 17b of the lever operates switch 28 to mute the output circuit and its part 17b disengages from latching engagement with cam notch 8c. The cam thus rotates back to its initial position at a slow speed determined by the viscous resistance of a silicone oil in cup 31. As the cam rotates the arm lifter 7 acts to lift the pick-up arm, the upper bar 14b of the crossed cam 14 engages pin 4 on return actuating plate 5 to return the pick-up arm to its rest and notch 8b abuts switch 32 to turn off the drive motor. The counterclockwise movement of the lever 17 causes arm 17c to act on arm 20b to restore the arm 20 to its initial position and arm 19 is restored by reset arm 18.
Patent GB-1399320-A (GB)
Title: Method of manufacturing whipping cream
IPC: A23L9/20
Filed: 1973-11-14
Abstract: 1399320 Whipping cream GLICO KYODO NYUGYO KK 14 Nov 1973 [10 March 1973] 52896/73 Heading A2B The solids content of an animal milk is concentrated to 14.5-30 wt % by removing molecules having a molecular weight of 10,000 or less, for example by dialysis using a semipermeable membrane, or by the use of a molecular sieve, and the resulting concentrated milk is homogeneously mixed with an oil or fat in a weight ratio of 50-70 parts milk to 50-15 parts oil or fat.
Patent GB-1480041-A (GB)
Title: Device adjustably synchronizing operation of a single pump with a plurality of control valves
IPC: B66F9/20
Filed: 1975-12-29
Abstract: 1480041 Valves TOWMOTOR CORP 29 Dec 1975 [30 April 1975] 52973/75 Heading F2V [Also in Division B7] A synchronizing device for initiating operation of an hydraulic pump P, Fig. 1, simultaneously with operation of any one of a number of hydraulic-motor control valves 26, 32, 34, comprises a number of levers 64, 66, 68 for connection to the actuating elements 52 of the valves, and a pivotable gang plate 54 having means 80 for initiating operation of the pump and having adjustable cams 58, 60, 62 cooperating with bearings 70, 72, 74 carried by the levers. When the device is associated with control valves for double-acting hydraulic motors, upward or downward pivoting of any one of the levers about shaft 48 by the respective operating rods 36, 38, 40, causes the bearing 70, 72 or 74 to move along an upper or lower ramped surface of the associated cam to thereby pivot the plate 54 about shaft 56 and cause the means 80 to operate a switch 78 for initiating operation of the electronic drive motor of the pump. The cams are verticallyadjustably mounted to the plate 54 via screws (98), Fig. 2 (not shown), passing through elongated slots (100) in the plate. Moreover, the means 80 is adjustable via a pair of nuts (84, 86). When the device is associated with control valves for single-acting hydraulic motors, the lower ramped surfaces of the cams are each formed along an arc struck about the centre of the shaft 48 whereby downward pivoting of the lever 70, 72 or 74 does not move the plate. The cams are preferably formed of elastomeric material.
Patent GB-1209170-A (GB)
Title: Improvements in or relating to the electrolytic marking of metals
Inventor: STYLES RONALD ARTHUR
IPC: C25F3/14
Filed: 1967-11-22
Abstract: 1,209,170. Electrolytic marking device. R.A. STYLES. Feb. 19, 1969 [Nov. 22, 1967], No. 53213/67. Heading C7B. An electrolytic marking device comprises a perforated metal grid 6 wrapped in a pad 9a, b and interposed between an insulating e.g. paper stencil 8 and a reservoir pad 7 for electrolyte to pass therefrom to a metal surface to be marked via the grid and parts cut from the stencil. The grid is connected, e.g. via a pin 5 and lead 4, to either A. C. or D. C. supply under the control of a multi (e.g. three)-position switch 12. The device may also comprise a transformer 3 the output of which may be rectified e.g. by a diode 11 before being supplied to the grid. Thus, one position of the switch may supply 12 volts D. C. to the grid, in a second position the diode may be short circuited and 12 volts A. C. supplied, and in a third position the supply of the transformer secondary cut off. Pads 7 and 9a, b may be of felt. For a Cu surface (connected via a lead 2), a D. C. supply is first connected to etch out a clean mark, then an A. C. supply to form black oxide in the etched mark. For an Al surface, the reverse technique is used to produce a white oxide.
Patent GB-1497528-A (GB)
Title: Apparatus for harvesting grapes
Inventor: SELL ABDUL HARRY
IPC: A01D46/28
Filed: 1973-11-20
Abstract: 1497528 Fruit harvester DARF CORP 12 Feb 1975 [20 Nov 1973] 53703/73 Heading A1F In a fruit harvester adapted to straddle and travel along a row of plants, e.g. grape vines, detached grapes are caught by a divided fruit catcher floor comprising resilient flexible fruit catchers 18, 19 e.g. brushes, which direct the grapes to conveyor means 23, and at least one of catchers 18, 19 is covered by flexible means which may be, as shown, a flexible sheet 24 or comprise a number of strips secured to spaced top layer bristles. The vines pass along the longitudinal centre line as the harvester 10 progresses, the grapes being detached from the vines by sets of fruit removal arms 42 which are biased by springs 44 to extend transversely to the direction of travel and which are oscillated in the vertical direction by sprocket-driven cranks 38 connected to support shafts 33 of the arms 42. The fruit catchers 18, 19 are hinged to floor boards 16, 17 themselves mounted on supports 27 connected to the harvester by pivots 28 in order that the catchers 18, 19 can move transversely to accommodate any misaligned plants. The brushes 18, 19 either form an inverted 'V' (Fig. 4, not shown) or, as shown. slope from one side of the harvester to the other. At the rear end of the fruit catchers 18, 19 upright bristle hurdles (55 and 54, Fig. 2, not shown) are secured to upright wooden hurdles 53, 52 and prevent fruit being dragged from the back of the machine.
Patent GB-1415331-A (GB)
Title: Framework construction
IPC: E04C3/09
Filed: 1972-11-23
Abstract: 1415331 Frameworks; ladders CARL KEIJSER & CO AB 23 Nov 1972 [23 Nov 1971] 54215/72 Headings E1K and E1S [Also in Division F2] A framework (e.g. a ladder) comprises at least two parallel I-sectioned beams 11 (e.g. the ladder's stiles), the web of each beam comprising a central portion 13 of uniform thickness which is connected to each flange 17, 19 by a respective outwardly divergent portion 14, 15 and the webs of adjacent beams are interconnected by rectangularly sectioned struts 61 having their ends secured in spaced apertures 16 in the central portion of the web and also having flanges which wedgingly interlock with the divergent portions of the web. The struts are formed with a first flange 62 spaced from their ends so that the ends can be inserted into the apertures 16 and then deformed to form second flanges 63. The divergent portions 14, 15 may have straight or curved surfaces. Details are given of the relative dimensions of the various portions of the beams.
Patent GB-1183900-A (GB)
Title: Improvements in Piston-and-Ring Arrangements, particularly for Internal Combustion Engines
Inventor: CROSS ROLAND CLAUDE
IPC: F16J9/00
Filed: 1968-11-15
Abstract: 1,183,900. Pistons. CROSS MFG. CO. (1938) Ltd. 15 Nov., 1968, No. 54222/68. Heading F2T. A piston.and-ring assembly comprises an L- section split oil scraper ring having one leg 12 housed in a groove 13 in the piston skirt 11, the other leg 14 being directed away from the piston crown and being urged outwardly against a surrounding cylinder bore 18 by a second piston ring 16 housed in a second groove 17 in the piston skirt. The free end 14a of the leg 14 is tapered to form a scraping edge. The ring 16 is split and of quadrilateral section as shown.
Patent GB-1487958-A (GB)
Title: Pneumatic vehicle tyres
IPC: B60C11/11
Filed: 1974-12-17
Abstract: 1487958 Pneumatic tyres UNIROYAL AG 17 Dec 1974 [19 Dec 1973] 54387/74 Heading B7C A pneumatic tyre having a radial ply carcass comprises a tread which includes a circumferentially continuous, unbroken, rib 14, 15, at each edge, a plurality of blocks 16, 17 integral with, and extending axially inwardly from, each rib, and two circumferentially continuous grooves 10, 11 which in part define the axially inner peripheries of the blocks. The width B is not more than 0À6 L and each rib has a width b 1  of not more than 0À1 L. A breaker 4 is so arranged that its edges each lie directly beneath a respective rib. As illustrated transverse grooves 12, 13 defining the side walls of the blocks are parallel to the tyre axis, and the central portion of the tread comprises two circumferentially continuous ribs 18, 19. Alternative arrangements (Figs. 3 and 4, not shown) comprise grooves oblique to the tyre axis defining the sidewalls of the blocks and blocks in the central portion separated by transverse grooves (23) or cuts (40). The Specification gives values for the ratio t : 1.
Patent GB-1160913-A (GB)
Title: Relief Valve
IPC: F16K31/06
Filed: 1966-12-06
Abstract: 1,160,913. Valves. CATERPILLAR TRACTOR CO. 6 Dec., 1966 [24 Jan., 1966], No. 54546/66. Heading F2V. [Also in Divisions F1 and G3] An electrically controlled relief valve includes a coil 17 the armature 26 of which is suspended by wires 24 and serves as the closure member by controlling the flow from an array of twelve restricted passages 33 fed from a common passage 32 in the core 19. The arrangement is such that, in use, the armature reaches a position of equilibrium whereat the forces exerted thereon by the fluid and the coil are equal. In a modification, the armature is slidingly guided with clearance on bolt 18 and wires 24 are omitted. The valve may control a by-pass circuit of a pump supplying a gas turbine combustion chamber, the electrical control circuit including a strain gauge flow meter in the main supply line from the pump Alternatively, the valve may control a spring- loaded jack or serve as a pilot valve for a multi-stage relief valve system.
Patent GB-1091613-A (GB)
Title: Electronic flame radiation responsive safety apparatus for burner installations
IPC: F23N5/08
Filed: 1965-12-23
Abstract: 1,091,613. Photo-electric burner control. DUIKER APPARATENFABRIEK N. V. Dec. 23, 1965 [Dec. 24, 1964], No. 54554/65. Heading G1A. A burner flame is monitored by a gas-filled diode which causes a monostable multi-vibrator to switch to its astable mode when the diode is irradiated by ultraviolet light; the resulting repeated switching of the multi-vibrator providing an indicator or control signal indicative of flame presence. In Fig. 1 with triode B1 conducting in the stable state, the difference in anode potential supplied to the diode 3 via leads 4 and 5 is sufficient to cause it to conduct if already irradiated by radiation of sufficient intensity. The resulting rise in potential on capacitor C 2  causes the multi-vibrator to switch with B 2  conducting; the ensuing fall in anode-difference potential extinguishes the diode, capacitors C 1  and C 2  discharge and the multi-vibrator then returns to its stable state. Thus an alternating signal appears at the output terminals 1 and 2. Failure of any component or open or short circuit of the diode leads stops the repeated switching of the multi-vibrator. A high resistance may be connected in series with the diode to give a level of radiation intensity below which the diode will not conduct, such as the daylight level. The cathode of the diode may be a graphite coating on the inside of a tube with the anode in the centre. The multi-vibrator may use transistors instead of valves.
Patent GB-1453759-A (GB)
Title: Method for producing instant-cooking rice
IPC: A23L7/196
Filed: 1974-12-19
Abstract: 1453759 Instant cooking rice M ANDO 19 Dec 1974 [5 Sept 1974] 54977/74 Headings A2B and A2E Instant cooking rice is prepared by soaking rice in water, gelatinizing the soaked rice (by heating) adjusting the moisture content to 18-70% by wt., pressing the resultant rice. adjusting the moisture content to 6-35% and subjecting the rice to a hot air blast at a temperature of more than 160‹C to puff the rice. Preferably a surfactant, edible oil or talc is mixed with the rice prior to gelatinizing and the pressing is effected by nip rolls.
Patent GB-1473744-A (GB)
Title: Glove
IPC: A41D19/015
Filed: 1975-12-12
Abstract: 1473744 Gloves COFFER SPORTS Ltd 12 Dec 1975 [19 Dec 1974] 54986/74 Heading A3V A glove is formed with a panel or panels 2 covering at least the palm thereof with suction cups 7 to facilitate gripping of objects. The panels are formed of a honeycomb structure of rubber or synthetic plastics material and can cover the palm, thumb, fingers and back of the glove. Alternatively the back of the glove can be covered with a non gripping pimpled finish. The glove may be in the form of a mitten.