baber/WOPTO huggingface dataset:
Patent GB-1072047-A (GB)
Title: Improvements in or relating to temperature-compensated transistor amplifiers and motor speed control systems utilizing same
IPC: H02P7/288
Filed: 1963-11-27
Abstract: 1,072,047. Transistor amplifying circuits; magnetic amplifiers. SERVO-TEK PRODUCTS CO. Nov. 27, 1963 [Nov. 28, 1962], No. 46871/63. Headings H3B and H3T. [Also in Divisions G3 and H2] A stable D.C. amplifier comprises a first transistor 39 in common emitter connection and comprising a voltage amplifier, direct-coupled to a current amplifier in the form of an emitterfollower Darlington connected pair 31 feeding output terminals CD. Thermal compensation is provided by diode 12 connected in conductive sense in the output of transistors 31 and which is also included in the input circuit of transistor 39 by returning input terminal B to output terminal D. Capacitors 38, 18 are connected respectively across the input and output terminals to filter out transient voltages. As shown, the arrangement is used in a motor speed-control system (see Divisions H2 or G3) and may be followed by a magnetic amplifier 72 comprising an auto-self-excited bridge rectifying transducer. In this an auxiliary winding 86 is superimposed on the control winding 80, having connected across it resistor 82 in series with choke 81 and being utilized to prevent hunting.
Patent GB-1486287-A (GB)
Title: Density sensing and controlling equipment
IPC: D01G23/06
Filed: 1974-10-30
Abstract: 1486287 Density measuring FIBER CONTROLS CORP 30 Oct 1974 [1 Nov 1973 (2)] 46956/74 Heading GIG [Also in Divisions D1 and G3] The density of linear material, from e.g. a textile or cigarette-making machine, is measured by apparatus in which the material is drawn through a tube, a frequency-swept acoustic signal is directed across an aperture in the tube and via the material to a receiving transducer, peaks in the transducer signal are detected and compared with a reference signal, and the difference between the peaks and the reference signal is used as an indication of the deviation of the density of the material from a desired density. Fig. 1 shows the invention applied to maintaining constant the density of a textile sliver. A web of parallel fibres 20 is removed from cylinder 16 by doffer roll 18 and is drawn through funnelshaped collector 22 to form a sliver 24. The collector Figs. 2 and 3 has a bore 64 wider than the apex aperture 60 of the conical part 54, so that the sliver diameter is about half that of bore 64. A swept frequency square wave signal is applied to transducer 36 which transmits an acoustic beam via ports 86, 88 to a receiving transducer 40. The alternation of the beam by the sliver depends on the sliver density and is sensed at 50 by comparing the peak-detected output of the receiving transducer with a present reference voltage to derive an error signal. The magnitude and polarity of the error signal represent the deviation of the sliver density from a predetermined desired value and are displayed. The error signal also is used intermittently (to avoid "hunting" problems) to control a variable speed drive 32 (by on-off or proportional control) and thus adjust the fibre feed rate by roll 12 as so to zero the error signal. The peak detector may be gated, by a modulator used to produce the swept frequency signal, to avoid spurious responses to noise.
Patent GB-1310856-A (GB)
Title: Apparatus for charging or discharging a rotary drum with bulk material
IPC: F27B7/32
Filed: 1971-10-12
Abstract: 1310856 Coke quenching cars HEINRICH KOPPERS GmbH 12 Oct 1971 [22 Oct 1970] 47387/71 Heading F4B Coke from the rotary drum 1 of a quenching car passes over a dam ring 4 and is directed by a shoot 7 into pockets defined by blades 8 extending between blade rings 9 and 10, being discharged from the pockets as they pass in turn over a discharge port into a conduit 13 and hood 16 feeding a conveyer 17. The conduit and hood form part of a fixed housing 19 having an offtake 20 for dust, fumes and vapour arising from water quenching of the coke and an arcuate segment 21 extending upwardly from the bottom edge 33 of the shoot 7 to form a sealing member for the pocket interiors. The shoot 7, segment 21 and wear plates 11 and 22 form a unitary structure attached to a housing cover 23 which is itself adjustably attached to the housing 19 by bolts 32 engaging flanges 25 and 26 and having associated springs. Where conveyer 17 enters the hood 16 a sealing strip 37 is provided an a flap 18 at the other end minimizing entry of air into the hood.
Patent GB-1496327-A (GB)
Title: Two-phase thermosyphons
IPC: F28D15/04
Filed: 1974-10-11
Abstract: 1496327 Heat pipes INDUSTRY SECRETARY OF STATE FOR 11 Oct 1974 [11 Oct 1973 25 June 1974] 47497/73 and 28209/74 Heading F4U [Also in Division F1] A two-phase thermosyphon comprises a closed vessel 1 containing a liquid in equilibrium with its vapour and having an evaporator portion 4 adjacent a heat source 32 and a condenser portion 5 adjacent a heat sink, and a vapour lift pump for returning condensed liquid to the evaporator portion. As shown, the liquid drains into a sump 8 comprising a funnel portion 11 and an open-bottom cylindrical portion 23, which, together with the wall of the vessel 1 defines an annular heating compartment 10. A riser tube 12 having a T-shaped upper portion 22 connects the heating compartment 10 to an annular evaporator reservoir 7. In operation, on applying supplementary heat 9 to the heating compartment 10, from an external source or from an internal electrical heater, Fig. 2 (not shown), vapour bubbles are created in the compartment 10 producing a difference in density between the vapour/liquid mixture therein and the head of liquid in the sump 8 and thereby causing the lighter vapour/liquid mixture to flow up the tube 12. At the upper end of the tube 12, the vapour separates from the liquid, which falls into the evaporator reservoir 7, and passes, together with vapour from the reservoir, down the annular passage 24 between the tube 12 and the reservoir 7 to the condenser portion 5 where heat is given up by condensation of the vapour and the condensate 6 flows down into the sump 8. The tube 12 and compartment 10 may be located outside the vessel 1 and the evaporator surfaces may be provided with wicks to ensure satisfactory wetting. The vapour lift pump may be a multi-stage pump, and several different arrangements of alternative vapour lift pumps are described and illustrated.
Patent GB-1067497-A (GB)
Title: Process for producing improved fabrics
IPC: D06M14/24
Filed: 1963-12-03
Abstract: Loose keratin fibres are reacted under free radical initiating conditions with at least one ethylenic compound having, in polymer form, a glass transition temperature below about 40 DEG  C., and thereafter forming from the fibres a fabric having high flat stability.  Ethylenic compounds specified are methyl acrylate, C2-C10 alkyl acrylates and methacrylates, hydroxyalkyl methacrylates, tert.-butylaminoethyl methacrylate, vinyl carboxylates and vinylidene halides.  Free radical initiators specified are peroxides, azo compounds and redox systems. The examples describe contacting wool fibres with aqueous liquids containing ferric nitrate, hydrogen peroxide and:  (1) butyl acrylate, and (2) mixtures of ethyl or butyl acrylate and methyl methacrylate or acrylonitrile.
Patent GB-1479211-A (GB)
Title: Cock unit for hydraulic systems with interchangeable delivery spouts
IPC: F16K27/06
Filed: 1974-11-06
Abstract: 1479211 Supply fittings for basins &c A KNAPP 6 Nov 1974 [4 Dec 1973] 47958/74 Heading A4N [Also in Division F2] A hot and cold water mixing cock is provided with a standardized outlet end 10 on which is mounted one of a set of spouts 15 depending on the use of the cock. The spout 15 for a washstand is retained by a cap 18 threaded into a bushing 13 and is sealed by gaskets 17, 19. A modified spout for a bath has a connector for a flexible shower hose axially movable in the cap 18 to actuate a diverter valve member co-operating with the bushing. A further spout has an articulated end aerator.
Patent GB-1072520-A (GB)
Title: Briquetting presses
IPC: B30B11/00
Filed: 1964-11-25
Abstract: 1,072,520. Moulding briquettes. STAMICARBON N.V. Nov. 25, 1964 [Nov. 25, 1963], No. 47997/64. Heading B5A. [Also in Division G3] In a briquetting press having rollers 33, 34 fed with material, e.g. a mixture of coal and pitch from a hopper 21 the hopper gate 40 is controlled by a controller responsive to transverse displacement of the roller 33 and the level of material in the hopper 20 is maintained substantially constant. The controller 44 which includes desired value setting mechanism receives a signal from a displacement to current or pressure transducer 41 and its output signal is fed to an operating device 45 which controls the gate 40 and to an operating device 46 which controls a delivery valve 47 movable between two positions. The controller 24 receives an input signal from a differential transformer 27 the core of which is connected by a cam 26 to a level detector 23 and its output signal is fed to a differential transformer 28 which controls the sliding gate 18 of a kneader 9 which supplies the hopper 20 via a conveyer 19. The cam 26 operates a maximum level switch 30 connected to a timer 31 which determines the period of time for which a discharge gate is opened. The kneader 9 is fed from a trough 8 which receives coal from supply 1, 4 and pitch from supply 2, 5 via a common conveyer 3. The absence of coal or pitch is signalled by devices 6 or 7 and a radio-active detector 13, 14, 15 co-operates with kneader overflow passage 12.
Patent GB-1202249-A (GB)
Title: Boat construction
Inventor: SWALWELL JOHN ANTHONY
IPC: B63B3/00
Filed: 1967-10-25
Abstract: 1,202,249. Sectional boats. J. A. SWALWELL, A. J. WATSON, and W. DAVENPORT. 16 Sept., 1968 [25 Oct., 1967], No. 48405/67. Heading B7A. A set of parts for the construction of a boat comprises a bow section 10, a stern section 11 and one or more intermediate identical hull sections 12, each intermediate hull section having a constant transverse cross-section throughout its length which is identical with both the cross-section at the rear end of the bow section and the cross-section at the forward end of the stern section. The sections, which are open ended at their abutting ends, are joined together in abutting relationship to form a complete hull.
Patent GB-1103518-A (GB)
Title: Improvements in or relating to electric circuit arrangements
IPC: H04Q11/04
Filed: 1965-11-16
Abstract: 1,103,518. Incrementing circuits. SIEMENS A.G. 16 Nov., 1965 [17 Nov., 1964], No. 48523/65 Heading G4A [Also in Division H4] In a T.D.M. system having a plurality of recirculating memories e.g. magnetostrictive delay lines, the outputs of the lines S are connected to a switch G through which they can be returned to the lines directly and to a " converter " U whose outputs are also connected to the switch whereby, if, at a pulse phase under consideration the switch is operated, the outputs from the converter are supplied to the lines in place of the direct outputs from the lines. The converter may be a directory to equipment number translator, a dial pulse converter, or, as shown in Fig. 2, an add-one circuit. Referring again to Fig. 1, an error detecting circuit C is connected to the output of the converter in order to check that an output code has the correct characteristics and if not to prevent the code from being inserted in the lines. Add-one circuit (Fig. 2).-The outputs 01 to 05 of delay lines S1 to S5 are rewritten via inhibit gates GS and are applied to coincidence gates W. Supposing at one pulse phase the output data is the binary number 00110, then via the gates UU this will be converted to 00101 and be applied to AND gates GU. If an add-one signal, in the form of a two-out-of five code, appears on Zi during this pulse phase, gates GS are inhibited and GU are opened so as to store the new data and " erase " the old data.
Patent GB-1391130-A (GB)
Title: Parameter compensating circuit for flow meter
IPC: G01F15/02
Filed: 1973-10-19
Abstract: 1391130 Frequency dividers H-B INDUSTRIES Inc 19 Oct 1973 [5 April 1973] 48850/73 Headings G4D D7X D6Y D6C1 and D6C2 In measuring fluid-flow by generating a pulse train A of frequency proportional to the volume flow-rate, changes in density are compensated by dividing the pulse train A into two subtrains, applying one, C, to a binary divider 22, 24 to derive a plurality of signals M to R<SP>1</SP> having binarily related frequencies, inhibiting some of these signals in accordance with a binary coded representation of the temperature (or pressure), of the fluid, and combining the remaining signals with the other pulse subtrain to provide a corrected output pulse train at 36 of average frequency proportional to the mass flow-rate. In Fig. 1, a flowmeter 12 and pulse shaper 16 produce pulse train A of frequency proportional to the volume flow-rate of a cryogenic liquid. A decade divider 16 derives pulse trains B, C, D, E, F containing 50, 20, 10, 10 and 10 per cent of the pulses from A respectively. The temperature of the liquid is sensed by a platinum resistance thermometer 26 whose output is combined with a signal representing the boiling point of the liquid to derive a correction signal which is digitized in an analogue to digital converter 32, the individual outputs of which inhibit respective ones of the signals M-R<SP>1</SP>.
Patent GB-1367823-A (GB)
Title: Galvanic battery
IPC: H01M50/627
Filed: 1972-10-24
Abstract: 1367823 Reserve cells DEFENCE MINISTRY OF FINLAND 24 Oct 1974 [27 Oct 1971] 48893/72 Heading H1B [Also in Division G3] A normally inert electrochemical cell 1 is activated by introducing electrolyte between its plates, the means 7 for injecting water from pipes 9, 10 into the cell drawing active electrolyte constituents from containers 2, 3 and mixing them with the water. The spent electrolyte is discharged through duct 16. Pipes 9, 10 may supply cold and hot water respectively to mixing valve 11, the temperature of the water being monitored by sensor 12 which controls mixing valve 11 through members 13, 14. Valve 11 may, as shown, also respond to voltage change across cell terminals 18 by changing the electrolyte temperature or rate of flow. Containers 2 and 3 may supply sulphuric and chromic acids when the cell electrodes are zinc and graphite, or sodium chloride solution when the electrodes are magnesium and silver chloride, or are magnesium and carbon. Instead of mixing hot and cold water, a single tank employing an immersion heater and thermostat may be used.
Patent GB-488954-A (GB)
Abstract: 488,954. Feeding extensible thread to knitting-machines. GRANDNOM, R. E. Jan. 21, 1937, No. 1813. Convention date, Jan. 21, 1936. [Class 74 (ii)] [Also in Group IX] In feeding extensible threads to knitting- machines by means of conical rollers 7, the feeding position being determined by a lever 2 engaged by the thread and responsive to variations in tension, the lever 2 is anchored by a thread 11 of the same material as that being wound and of such length that the normal position of the lever is that shown in full lines.
Patent GB-1444357-A (GB)
Title: Seats
IPC: A47C5/06
Filed: 1972-10-24
Abstract: 1444357 Seats GPG HOLDINGS Ltd 23 Oct 1973 [24 Oct 1972] 48985/72 Heading A4H A chair is assembled from a plastics seat unit 1, and a frame 7, e.g. of metal tubing, the frame 7 having a substantially horizontal support part 10 and the seat unit 1 having two integrally moulded downwardly extending lugs 4, (5) with concave surfaces 6 that hook on to opposed portions of the support part 10, the chair being assembled by relative movement in the plane of part 10 between the seat unit 1 and the frame 7. The support part 10 is generally rectangular and to assemble the chair, the seat unit is positioned on frame 7 so that lugs 4, (5) are located within the rectangle and along a diagonal thereof Fig. 4 (not shown), and the frame is twisted (arrow x) relative to the seat unit to move the lugs along opposite parallel sides of the support part into hooked engagement with the frame Fig. 3, (not shown). The lugs are further apart than the opposite sides of part 10 so that during assembly the lugs, seat unit or support part are deformed. The seat unit 1 and frame 7 may be additionally secured by screws (12), auxiliary hooks or clips.
Patent GB-1325584-A (GB)
Title: Piezoelectric ceramic transformers
IPC: H01L41/107
Filed: 1970-10-16
Abstract: 1325584 Piezoelectric transformers SUMITOMO ELECTRIC INDUSTRIES Ltd 16 Oct 1970 [18 Oct 1969 16 Jan 1970 (3) 3 March 1970] 49198/70 Heading H3U [Also in Division H2] A piezoelectric ceramic transformer with silver-plated input electrodes 1 and 2 and output electrode 4 is provided with a terminal device for the two inputs comprising two conductors and insulating elastomeric material making a continuous band for fitting around the ceramic body and a second terminal device for the output comprising a ring of electrically conductive elastic material extending around the body. Rubber rings at nodal points act as supports.
Patent GB-1405947-A (GB)
Title: Machines including a rotary member and means for dynamically balancing the rotary member
IPC: G01M1/36
Filed: 1972-10-26
Abstract: 1405947 Balancing grinding wheels CINCINNATI MILACRON Inc 26 Oct 1972 [17 Nov 1971] 49324/72 Heading B3D [Also in Division F2] A mounting 13 for a spindle 12 on which is mounted a grinding wheel 10 with balancing masses 35 (e.g. clampable by a flange 37) is pivoted to a support 25 about an axis (e.g. a shaft 26) normal to the spindle 12 axis, to move against a resilient bias (e.g. a flexible rod 31. The spindle 12 may be connected to a V-belt pulley 19, e.g. via an Oldham coupling. The mounting 13 may be normally clamped to the support 25 by springs 63, 52 acting in the regions of the shaft 26 and the rod 31, the mounting being unclamped by the application of fluid pressure via lines 57, 65 and 70 on pistons 49, 66 and 69, the latter acting via a lever to move the rod 31 axially. When balancing the masses 35 and mounting 13 are clamped after the masses have moved to their correct positions.
Patent GB-1144399-A (GB)
Title: Apparatus for prefabricating panels composed of masonry units
IPC: E04G21/22
Filed: 1967-11-01
Abstract: 1,144,399. Apparatus for pre-fabricating block panels; block panels, G. K. LARGER. 1 Nov., 1967, No. 49671/67. Headings E1B and E1S. Brick or block panels are pre-fabricated on a vertically movable platform 154 whither the bricks are delivered via a conveyor 90 and a hopper 28, the apparatus being supported on a framework 20 and hydraulically operated. The conveyor is vertically adjustable and comprises beds for each course of brickwork, each bed being formed by opposed angle-section members, and is operated by a reciprocating pusher. The hopper includes a gauge for determining the amount of mortar which is ejected for each course, and clamping plates 56 for holding the bricks. The panel is built up on a top-hat sectioned member 232 (Fig. 11, not shown), with an initial course of inverted channel-sectioned bricks, and is completed with a similar but inverted arrangement, and is vertically reinforced.
Patent GB-1390064-A (GB)
Title: Methods and apparatus for use in analogue-digital conversion
IPC: H03M1/00
Filed: 1972-02-28
Abstract: 1390064 Analogue to digital converter G ZSCHIMMER 28 Feb 1972 [3 March 1971 11 Feb 1972] 50000/74 Divided out of 1390063 Heading G4H In a dual romp analogue to digital converter, the second (down) romp is generated by integrators of a reference voltage which is variable in magnitude with the input signal so that the input and output have a non-linear relationship. The reference signal may be directly related to the input voltage or may be formed by summing the input voltage and a fixed voltage by a series connection. Means may be provided to bias the input voltage for the up romp so that the resulting input has constant polarity (parent Specification 1,390,063).
Patent GB-1074102-A (GB)
Title: Amikines and method for preparing them
IPC: A61K31/155
Filed: 1963-12-19
Abstract: Amidines of the formula <FORM:1074102/C2/1> or an acid addition salt thereof wherein R and R1 are the same and each is an alkyl group, R11 is an alkyl group having together with R or R1 a sum of at least 9 carbon atoms and R, R1 and R11 have a sum total of not more than 19 carbon atoms are prepared by reacting a nitrile of the formula <FORM:1074102/C2/2> with a halomagnesium derivative of a secondary amine RR1NH and subsequently hydrolysing the product.  Pharmaceutical compositions comprise an amidine of the invention together with a therapeutically acceptable carrier therefor.  The compositions, which are anthelmintics, are formulated for oral ingestion and include feed supplements.
Patent GB-1483106-A (GB)
Title: Dc signal receiving circuit arrangements
IPC: H04L25/08
Filed: 1974-11-20
Abstract: 1483106 Protecting receiving circuitry against excess input levels SIEMENS AG 20 Nov 1974 [5 Dec 1973] 50219/74 Heading H2K In a transmission system having a logicsignal-identifying receiver comprising two threshold detectors S1 S2 with different thresholds, excess currents due to a fault are detected by a third threshold circuit S3 which thereupon alters the state of detectors S1 and S2 to make their outputs mutually inconsistent, and a logic circuit N1-N4 opens a switch LS in the transmission line L when such inconsistency occurs. A delay element Z may effect automatic reclosing of the switch LS after a fixed time. Alternatively, opening of the switch LS may leave a resistor (R, Fig. 4, not shown) in the line so that a small line current can still flow, and reclosing can be initiated when this current changes owing to a change in the logic signal applied to the line. Switch LS may be a transistor.
Patent GB-1105588-A (GB)
Title: Improvements in or relating to steam generators
IPC: F22B27/16
Filed: 1965-11-26
Abstract: 1,105,588. 'Centrifugal separators'. GESELLSCHAFT FUER KERNFORSCHUNG m.b.H. 26 Nov., 1965 [26 Nov., 1964], No. 50334/65. Heading B2P. [Also in Division F4] Condensate through line 13 and superheated steam through line 12 are tangentially injected into an upright symmetrically shaped mixer 11 within a reception vessel 19, the saturated steam so generated being removed by line 14. The superheated steam is injected into mixer 11 through uniformly distributed inlet openings 16 from a surrounding housing 15 so creating a rotating vortex layer 18 from which liquid is thrown out through outlet openings 17 to recirculate around the outside of mixer 11. Several such mixers, which may have conical profiles may be incorporated in a single reception vessel. In a modification (Fig. 1) a closed mixing vessel is used in place of a mixer within a reception vessel.