baber/WOPTO huggingface dataset:
Patent GB-1438239-A (GB)
Title: Suspended lighting arrangement
IPC: F21S2/00
Filed: 1974-03-19
Abstract: 1438239 Lighting fittings W HOCHMUTH [trading as CIMA INTERNATIONAL DISTRIBUTION DIPL KFM W HOCHMUTH] 19 March 1974 [15 Dec 1973] 12032/74 Heading F4R A suspended lighting fitting comprises a central rod supporting a plurality of radiallydirected arms carrying closed lamp housings containing light sources which are preferably of the halogen type, each housing having an opening in which is mounted the bunched end of a fibre optic spray. Each housing contains a reflector and an infra-red filter and may also contain a motor-driven rotatable multi-coloured filter and a cooling fan. The brightness of the light sources may be varied, either jointly or independently, by connecting the sources to a variable resistor, a phase chopping triac circuit or different tappings of a transformer secondary winding.
Patent GB-769960-A (GB)
Title: Improvements in or relating to the mounting of bobbins of yarn or roving on the creels of textile machines
IPC: D01H1/18
Filed: 1955-04-26
Abstract: 769,960. Creels. NAZIONALE COGNE SOC. PER AZIONI. April 26, 1955 [April 27, 1954], No. 12048/55. Class 120 (2). A device for low frictional rotational support of bobbins in the creels of textile machines comprises a substantially bellshaped supporting member, the closed end of which engages the lower end of a core of the bobbin, and of an upper guide member having a spherical extremity fixed to the creel for engaging in the upper end of the core, the bell-shaped supporting member resting on a pivot fixed to the creel with the interposition of two vertically disposed balls. In the arrangement shown the core 2 of a bobbin 1 rests at the bottom. on a bell-shaped metal support 5 carried by means of two balls 6 on a pivot 7 fixed to the creel. At the top the core 2 engages over a spherical guide member 8 fixed to the upper portion of the creel.
Patent GB-1102783-A (GB)
Title: Electrical signal phase comparator
Inventor: COWIN WILLIAM ALAN
IPC: G01R25/00
Filed: 1965-03-22
Abstract: 1,102,783. Testing for phase differences. ENGLISH ELECTRIC CO. Ltd. March 22, 1966 [March 22, 1965], No. 12077/65. Heading G1U. [Also in Division H3] Two A.C. signals 20, 21 whose phase difference is to be detected are fed at 5, 6 to respective squarer units 7, 8 the outputs 22, 23 of which are fed over buffer stages 9, 10 into an AND gate 11 which produces an output signal 24 only when both inputs are negative. The square waves 22, 23 are also fed into a NOR gate 12 which produces an output signal 25 only when neither of the inputs is negative. The waveforms 24, 25 are fed into a NOR gate 13 which produces an output signal 26 only when neither input is negative. The length of each pulse of waveform 26 is thus equal to the instantaneous phase difference between waveforms 20, 21. A timing circuit 14 connected to gate 13 is activated for the period of the pulse 26 and produces an output which is fed to a bi-stable trigger circuit 15 causing the latter to be switched to a SET state if the period exceeds a predetermined minimum. In the SET state, trigger circuit 15 produces an output at terminal 16 indicating that the phase difference between the A.C. signals 20, 21 has reached a predetermined value. Trigger circuit 15 is reset to its original state by an externally controlled signal on line 17 and remains in this state for the periods when both signals 20, 21 are positive and when both signals are negative. Operation of timing circuit 14 is prevented, until required, by a signal on a line 18. The comparator may be used with circuits 14, 15 and line 18 omitted, the terminal 16 being connected directly to the output of NOR gate 13.
Patent GB-406153-A (GB)
Title: An improved apparatus for highly heating the feed water of steam boilers
IPC: F22D1/18
Filed: 1933-04-25
Abstract: 406,153. Heating feedwater. SJOSTEN, A., Hoganas, PYK, N. J., and LUNDIN, N. E., M÷lle, both in Sweden. April 25, 1933, No. 12108. Convention date, May 7, 1932. [Class 64 (i).] In a steam boiler with smoke passages and smoke stacks, saturated steam passes from a valved pipe 8, e.g. on a valve chest 7 of a high pressure cylinder on a steam engine, into a superheater in the smoke stack 123 or smoke passages 4-6 or in both, and hence into a spiral tube 22 in a feedwater heating tank 24. The outlet end 27 of the spiral is connected through a valve 29 with the feedwater pipe in front of the heater or with a condenser or hot well. A pressure reduction valve 20 is inserted in the superheater outlet pipe 18 before the closely wound spiral 22, and a steam trap 28 is inserted in the spiral outlet 27 so that the steam is wholly condensed. The superheater consists of tube spirals 10-12 in the smoke stack 123 of the boiler and of pipe loops 13-15 connected between the tube spirals in series therewith and located in the smoke passages 4-6. The loops 13-15 are located in the passages at opposite corners of the stack. The feedwater is pumped through a tube 26 to the boiler. Where there are several stacks of tubes, the spirals and loops are connected by removable couplings. The saturated steam passes in by a pipe 16 passing through the spirals 10-12 to one extreme and loop 15, and superheated steam escapes from the opposite extreme end loop 13. The feedheater 23 may be combined with exhaust steam pipes from the auxiliaries.
Patent GB-149444-A (GB)
Title: Improvements in and connected with walls, floors and parts of buildings, and slabs or blocks for use therein
IPC: E04B2/04
Filed: 1919-05-15
Abstract: 149,444. Edlin, F. W. May 15, 1919. Reinforced brick and block walls and floors.- In floors, walls, and parts of buildings made of solid or hollow reinforced-concrete blocks, recesses are formed in the meeting faces of the blocks a, Figs. 1 and 2, to receive wedges b, preferably of harder material than the blocks, adapted to extend the whole or part of the width or depth of the blocks. The blocks, which may be made of cheap refuse material, may be strengthened by parts c made of harder concrete such as granite. Reinforcing rods d extend through the lower parts of the blocks, the ends of the rods being formed with hook and eye portions which engage with one another in recesses formed in the blocks. Figs. 4 and 5 show a modified form of block adapted to form columns. Ribs a<3> and flanges a<4> are formed on these blocks so that horizontal slabs c may be slid and held in position between the columns to form walls or panels. Fig. 6 shows hollow interlocking floor blocks a with wedges b and reinforcing-rods having hooks and eyes d', d<2> engaging in recesses a<1> which in the finished floor are filled up with grouting.
Patent GB-949828-A (GB)
Title: Improvements in or relating to voltmeters
IPC: G01R1/28
Filed: 1960-04-06
Abstract: 949,828. Analogue-to-digital converters. PHILIPS ELECTRICAL INDUSTRIES Ltd. April 6,1960 [April 9, 1959], No. 12226/60. Heading G4H. [Also in Division H3] In a voltmeter in which the voltage to be measured is compared with a voltage which is varied stepwise, the step voltage is, in turn, compared after a given number of increments, with a constant reference voltage, and a direct voltage is derived from this comparison to adjust the amplitude of the increments so that the step voltage equals the reference voltage after the given number of increments. In the voltmeter described, clock pulses are supplied to a counter T, and through amplifier V 1  to the step voltage generator G which produces 201 voltage increments of about half a volt. The maximum output voltage of generator G is compared with the output of a reference source of 100. 5 volts in block REF. This comparison provides a pulse whose amplitude represents the difference between the two voltages and which is passed through gate P, converted to a direct voltage at Q, and supplied as a constant bias to amplifier V 1  for the following cycle of generator G. The voltage Vin to be measured is compared with the step voltage at Me, a pulse being produced by multivibrator MV as soon as the step voltage exceeds Vin, this pulse being passed through one of gates Pen, which is opened by the concurrent output pulse of counter T, to an output terminal u. The process is repeated for succeeding cycles of generator G. The Specification describes in detail circuits for blocks REF, Me, P, Q and cathode follower KV.
Patent GB-577974-A (GB)
Title: Improvements in and relating to the manufacture of metalliferous materials for use as catalysts
IPC: B01J23/70
Filed: 1941-09-22
Abstract: For the complete aromatization of hydrocarbons which are wholly or in part non-aromatic, a catalyst is employed consisting of iron or steel coated with copper.  It is pre pared by known methods, e.g. spraying, dipping or electro - plating. Specifications 548,489, [Group XXXV], 552,216, 574,963, 574973, 575,768, 575,769 and 575,771 are referred to.
Patent GB-631728-A (GB)
Title: Improvements in devices for measuring or comparing periodic functions
IPC: H02H3/26
Filed: 1946-04-23
Abstract: 631,728. Protective cut-out systems. UNION D'ELECTRICITE. April 23, 1946, No. 12298 Convention date, Nov. 20, 1945. [A Specification was laid open to inspection under Sect.' 91 of the Acts, Oct. 24, 1946.] [Class 38(v)] In a modification of the arrangement described in Specification 631,725 the rectifiers r' .. r<SP>A</SP> are arranged to work on a substantially-linear portion of their voltagecurrent curves, the rectifiers being connected in two networks I, II, which deliver at terminals A, B, a direct voltage Uc dependent on the sum u 1 +u 2  and difference u 1 -u 2  of the voltages applied to the networks. The votages u 1 , u 2 , are made equal in amplitude by limiters 1, 2, so that the curve of voltage Uc is linear, Figs. 2, 4, (not shown), and they preferably have a rectangular wave-form, Fig. 3, (not shown). The voltage Uc may be used to control release or locking relays, Fig. 7, (not shown), to measure the phase angle between voltages u 1 , u 2 , Fig. 8, (not shown), and to measure the direction of the phase difference therebetween, Fig. 9, (not shown). Specification 631,726 also is referred to. The Specification as open to inspection under Sect. 91 comprises also part of the subject-matter of Specification 631,726. This subject-matter does not appear in the Specification as accepted.
Patent GB-253681-A (GB)
Title: Improvements in centrifugal governors
IPC: G01P3/16
Filed: 1925-05-12
Abstract: 253,681. Chinn, W., and Chinn's Patents, Ltd. May 12, 1925. Centrifugal speed indicators. - The inclined disc W is connected to the spring-pressed sleeve c by a double-forked link E having two bearings at each end for the pins c<1>, e<3>. The governor shaft has cone and ball bearings a, and the disc carries bearing-blocks w for the conical ends of the pivot pin D, which may also have ball bearings. Specification 253,682 is referred to.
Patent GB-418314-A (GB)
Title: Improvements in or relating to apparatus for use in intermittently dispensing liquids
IPC: B67D7/16
Filed: 1933-04-28
Abstract: 418,314. Dispensing liquids. FERGUSON, T. G., and HOVEY, B. H., c/o Bower & Co. (London), Ltd., St. Ann's Hill, Wandsworth, London. April 28, 1933, No. 12449. [Class 116.] In apparatus for dispensing liquids comprising a hand-operated member for starting the operation of the apparatus and a meter for measuring the quantity of liquid dispensed, mechanism controlled by the meter for limiting the quantity of liquid dispensed as a result of one operation comprises a ratchet wheel, rotatable in one direction, which is moved by the hand-operated member to a position to start the flow of the liquid and is moved in the same direction by means driven by the meter to a position to stop the flow of liquid. On movement of the handle 22 downwardly to start the motor, a pivotally attached rod 50 moves a link 47, Figs. 2, 6, to the right, operating links 44, 45 carrying pawls 40, 41 co-operating with a ratchet wheel 35 on the shaft 30. The ratchet wheel has outer discs 36, 38 with notches at 180‹ apart and a central disc 37 with notches spaced at 90‹ apart and in alignment with the notches of the outer discs. On movement of the link, the pawl 41 which is in engagement with notches in the discs 37, 38 rotates the shaft 30 through a right-angle, whilst the pawl 40 is moved to a position in which it engages in notches in the discs 36, 37. A cross member 33, Figs. 5, 7, disposed at right angles to the axis of the shaft 30 is arranged to engage a projection 28 on a member 24 provided with rollers between which is disposed the switch arm 18 which on depression sets the motor into operation. The shaft 20 of the meter carries a disc 68 having a collar 69 to which an eccentric sleeve is secured by adjustable screws and during its rotation reciprocates a link 65 connected to an arm 60 which through a one-way roller clutch rotates the shaft 30 in a counterclockwise direction to the position in which an arm 32 disposed at right angles to the arm 33 engages a projection 27 on the switch control member 24, raising the arm 18 which opens the motor circuit. When the prescribed quantity has been delivered, the operating handle 22 is returned to the position shown in Fig. 2, and the driving pawl 41 snaps into notches in the discs 37, 38 in preparation for the next delivery operation. The motor may be stopped before the prescribed quantity has been delivered by rocking the arm 22 upwardly, the pawl 40 moving on the ratchet wheels until it engages notches in the discs 36, 37 to complete the rotation of the shaft 30 to the position for opening the switch.
Patent GB-353440-A (GB)
IPC: F16D47/06
Filed: 1930-04-22
Abstract: 353,440. Friction clutches. VOITH, W., VOITH, H., and VOITH, H. (trading as VOITH, J. M. [Firm of]), Heidenheim, Brenz, W³rtemberg, Germany. April 22, 1930, No. 12491. Convention date, April 18, 1929. [Class 80 (ii).] An hydraulicallyoperated friction coupling, with or without an hydraulic slip coup-. ling, is combined with a flexible coupling. In the form shown in Fig. 1, driving and driven shafts 1, 7 carry the primary and secondary members of an hydraulic slip coupling A, and the friction coupling B comprises plates 4, 5, the plate 4 being connected to the driving member by a flexible coupling C comprising springs 25, Fig. 5, to which access is obtained by removing covers 26. The plates 4, 5 are forced into contact with a plate 13 on the driven shaft against the action of springs 6 when liquid is admitted through a conduit 9, leakage and other liquid being drained from the chamber 18 by a flexible pipe 20, or by telescopic members 20, 22, Fig. 7, having ball ends. The blade wheel forming the secondary member of the coupling A may have axial openings, and liquid may be admitted to the primary member through passages 28, Fig. 4, opening into it at or near its periphery.
Patent GB-118664-A (GB)
Title: Improvements in and relating to the Oxidation of Tin.
Inventor: MACONOCHIE HARRY
IPC: C01G19/02
Filed: 1917-09-01
Abstract: 118,664. Maconochie, H., and Ros, D. de. Sept. 1, 1917. Stannic oxide is obtained by blowing heated air or oxygen upon or into melted tin, the supply of heat being stopped when the reaction has started. The tin may be melted by an oil burner or an electric resistance, and the air and additional tin may be preheated by the heat of reaction.
Patent GB-890658-A (GB)
Title: Improvements in or relating to voltage divider circuits including semiconductor diodes
Inventor: WARD JOHN JOSEPH
IPC: H03G1/00
Filed: 1959-04-14
Abstract: 890,658. Semi-conductor voltage divider and switching circuits. BUSH & RANK CINTEL Ltd. April 13, 1960 [April 14, 1959], No. 12618/59. Class 40(6). [Also in Group XL(b)] A voltage divider circuit comprising two limbs each containing a resistor 2, -4 and at least one diode 3, 8, the diodes being similarly poled, is characterized in that the number of diodes in the limbs are in the same ratio as the values of the resistors. The diodes effect temperature compensation to maintain the output at terminal 5 independent of temperature variations. In a modification, Fig. 4 (not shown), the diode 8 is replaced by the baseemitter diode of a transistor. The circuit may form part of a switching circuit, Fig. 5, in which a number of similar circuits are coupled to a common output terminal 5. Application of a suitable potential to the control terminal 12 causes the diode 3 to be rendered either conductive or non-conductive to connect or disconnect the terminal 5 to the signal source 16. Specification 874,667 is referred to.
Patent GB-789000-A (GB)
Title: Improvements in or relating to resistor thermometers
IPC: G01K3/14
Filed: 1954-04-30
Abstract: 789,000. Electric temperature measuring systems. RESEARCH INTERESTS, Ltd., and WEISHEIT, G. April 30, 1954 [April 30, 1953; Nov. 28, 1953], No. 12621/54. Class 40 (1). A D.C. bridge circuit for measuring temperature comprises two temperature-sensitive elements 19, 27 (Fig. 1), with negative temperature coefficients, constricted as described in Specification 790,764, located in adjacent arms of the bridge, and a valve 12 connected across the measuring diagonal, the grid connected to one corner and the cathode to the opposite corner of the bridge, whereby the valve anode current, indicated on a meter 17, is proportional to the difference between the temperatures of the elements 19, 27. To measure an absolute temperature the element 19 is replaced by a fixed reference resistor 21, the range of absolute temperatures measured being determined by choice of resistors 23-26. Calibration of the bridge is checked by replacing elements 19, 27 by fixed resistors 21, 28, and the bridge connections are such that a drop in anode voltage, due to ageing of the battery 7, is compensated by a fall in bias voltage on the grid of valve 12 to maintain a constant anode current. The meter 17 may be biased by an adjustable spring torque, or by a bias winding carrying a compensating current, to restrict its deflection to the linear part of the valve anode current characteristic.
Patent GB-294977-A (GB)
IPC: H03H2/00
Filed: 1928-04-30
Abstract: 294,977. Lorenz Akt.-Ges., C. Aug. 3, 1927, [Convention date]. Frequency, changing.-In order to reduce the formation of undesired harmonics. and other disturbing oscillations, all the supply and output leads of an oscillation generator include chokes or inductive impedances. As the internal impedance of the generator itself is also inductive, the formation of accidental resonance circuits is avoided. As shown in Fig. 2, an iron-cored frequency multiplier 13 has inductance coils 7 - - 10 connected in its input and output leads, and these coils are so arranged in space that their capacity couplings balance one another, and their effect on the remaining coils and condensers of the circuit is a minimum. The input frequency is applied by direct coupling to a coil 15 from a generator 16, and the multiplied frequency in the tuned output circuit is transmitted to an aerial circuit 1, 4.
Patent GB-1027579-A (GB)
Title: Phosphorus-containing esters
IPC: C07F9/165
Filed: 1965-03-25
Abstract: The invention comprises compounds of the general formula: <FORM:1027579/C2/1> where R is an alkoxy radical, R1 is an alkyl, alkoxy, or aryl radical, and X and Y which may be the same or different, are oxygen or sulphur atoms, at least one of them being sulphur. They may be obtained by the reaction of an acid of the general formula RR1P(=X)Y.H with N - (2 - haloethylmercaptomethyl) - benzazimide, or by the reaction of RR1P(=S)Hal with N - (2 - hydroxyethylmercaptomethyl)-benzazimide. The acid of the former reaction may be used as the salt, or an acid binding agent may be present.  The latter may also be present in the other reaction.  Both reactions may be carried out in an inert organic solvent, and the temperature range may be 40-120 DEG  C., 50-80 DEG  C. being preferred.  The compounds have pesticidal properties.  N - (2 - hydroxyethylmercaptomethyl) - benzazimide is prepared by the reaction of N-chloromethyl - benzazimide with 2 - hydroxyethyl-mercaptain in the presence of acid-binding agents such as sodium alcoholates, preferably in the presence of inert organic solvents such as low-boiling aliphatic nitriles and chlorinated hydrocarbons at temperatures in the range 10-30 DEG  C. The N-(2-chloroethylmercaptomethyl)-benzazimide may be obtained by reacting the corresponding hydroxyethyl product with thionyl chloride in, for example, ethylene dichloride solution.ALSO:Pesticidal compositions comprise a solid or liquid carrier and a compound of the general formula <FORM:1027579/A5-A6/1> where R is alkoxy, R1 is an alkyl, alkoxy, or aryl radical, and X, Y which may be the same or different, are O or S atoms. The carriers may be the usual dispersible solid or liquid extenders including solvents such as optionally halogenated aromatic hydrocarbons, paraffins, ether, alcohols, amines such as ethanolamine, and dimethyl formamide, and finely divided solids such as natural or synthetic mineral powders, non-ionic and anionic liquid emulsifiers, magnesium stearate and sodium oleate as well as dispersing agents such as lignin sulphite waste liquors and methyl cellulose.  The compositions may be emulsifiable concentrates, spray powders, pastes, soluble powders, dusting agents, or granulates.  The invention also includes the use of the compounds and the compositions containing them for combating pests by applying them to a pest habitat.
Patent GB-455787-A (GB)
Title: Improvements in apparatus for separating dust from coal or like coarse material
IPC: B03B4/00
Filed: 1935-04-27
Abstract: 455,787. Pneumatic separating. NORTON, B., Sandford Hall, Claverley, Shropshire. April 27, 1935, No. 12688. [Class 117] In apparatus for removing dust from coal or other coarse material, the material is delivered to a vibrating screen and the smaller material is passed from a support jigging with the screen to a second reciprocating support through which air is forced to carry away dust. In the form shown, larger coal supplied at 1 passes from the reciprocating sieve 2 to a table 18 and the smaller coal which falls to the bottom of the casing 3 has the dust removed as it passes down the reciprocating shelves 6 by an air blast supplied through the pipe 12 which conveys the dust to a collector through the pipe 14. Dust from the larger coal may be withdrawn by suction through pipes 24, 27. The casing 3 vibrates with the sieve 2. Specification 445,709 is referred to.
Patent GB-856082-A (GB)
Title: Improvements in or relating to machines for winding tobacco rods in wrapper strips
IPC: A24C1/30
Filed: 1959-04-14
Abstract: 856,082. Cigar-making machines. ARENCO A. B. April 14, 1959 [May 2, 1958 (2)], No. 12696/59. Class 130. A rod-like tobacco article 5 which may be a multi-length bunch or a series of slightly separated bunches is advanced and rotated between upper and lower endless belts 9, 10 and 7, 8 respectively so as to be wrapped helically in a strip 1 of reconstituted tobacco material or adhesively interconnected tobacco leaves delivered by a suction belt 2 past a pasting roller 3. The article 5 travels between stationary guides I and is assisted in rotation by rollers 12. The article 5 is subsequently severed into cigars and, where individual bunches 5a, 5b, Fig. 7, are used (in which case continuous-rod operation may be effected by utilizing a continuous strip 1 or a series of strips 1 which are pasted together), the belts 8, 10 move faster than the belts 7, 9 to form a constriction 17 of the strip 1, at which the bunches are separated by a cutting device which may be actuated electrically or mechanically by a device scanning the constrictions 17 photoelectrically and which, or a further scanning device, may control the speed of the belts 7 .. 10 and therefore the speed of the unit 5; alternatively the strip 1 may be severed before it has completely enclosed each bunch.