baber/WOPTO huggingface dataset:
Patent GB-1371243-A (GB)
Title: Hydraulically-actuated reciprocating pump
IPC: B05B9/04
Filed: 1971-12-06
Abstract: 1371243 Reciprocating pumps J WAGNER 6 Dec 1971 [21 Dec 1970] 56537/71 Heading F1A In a hydraulically-actuated pump, e.g. supplying paint to a spray gun 8, comprising a piston or diaphragm 10 reciprocated by a liquid column driven by a piston 14, the liquid column comprises a liquid, e.g. oil, with 4-8% by volume of a gas, e.g. air, dissolved in or mixed with it, such that when the pump outlet is closed or throttled e.g. by spray gun control 9, the gas comes out of solution during the subsequent suction stroke to prevent vapourization of the liquid and cavitation, an adjustable valve 19 relieving the column pressure during the discharge stroke and limiting the pump output pressure. The pump inlet valve 5 is spring-loaded such that pumping chamber 2 never completely fills, resulting in a dead space D to permit some movement of diaphragm 10 on its delivery stroke when the pump outlet is closed. An inlet 21 for flow of make-up liquid from reservoir 17 into the column is controlled by piston 14. Swash-plate 15 driving piston 14 is mounted on a flywheel driven by electric motor 16.
Patent GB-1214815-A (GB)
Title: Improvements in or relating to timing devices
Inventor: CHUCHLA JERZY KAZIMIERZ
IPC: G04F3/06
Filed: 1967-12-13
Abstract: 1,214,815. Time switches. ELECTRICAL REMOTE CONTROL CO. Ltd. 13 Dec., 1967, No. 56734/67. Heading H1N. A timer comprises a timing cam 5A driven by an electric motor through a clutch 4, 5, the output member 5 of said clutch having an indicating member 5c which is movable over an annular scale 23 to give a visual indication of the progress of timing; an adjustment spindle 6 on which the output member 51 may freely rotate; a spring 5B biasing the cam 5A into a starting position; and a pointer 7 carried by said spindle 6 and movable over the scale 23 to adjust the starting position of the timing period. As shown, the spindle 6 carries at one end a disc 6B which is biased into frictional engagement with an upright wall of a U-shaped yoke 9 by a spring 6D. The spring 5B is a torsion spring which normally holds cam 5A in engagement with a projection 6A of disc 6B. The input member 4 of clutch 4, 5 is carried by a shaft 3A which passes rotatably through a spring biased lever 11. The spring 12 is prevented from biasing the members 4 and 5 into engagement by the armature 9A of an electromagnet 10. The armature has a transverse insulating bar 13 biased upwardly by the moving contacts 14, 17 of change-over spring sets 14-16 and 17-19. On energization of electromagnet 10 armature 9A is attracted permitting spring 12 to bring clutch members 4, 5 into toothed engagement to commence the timing cycle. The cam 5A rotates until it actuates microswitches 20, 21, one of which deenergizes the electromagnet 10 or motor 1 to terminate the timing cycle. The microswitches and contact sets 14-16 and 17-19 can all be used for timing control.
Patent GB-1369809-A (GB)
Title: Digital differential integrators
IPC: G06F7/66
Filed: 1971-12-08
Abstract: 1369809 Digital differential integrators ALLEN-BRADLEY CO 8 Dec 1971 [8 Dec 1970] 56989/71 Heading G4A [Also in Division G3] In each iteration cycle the contents of an integrand register 40 are added at 44 to the contents of an accumulator register 42, at least two of the most significant bits of the resulting sum being used to derive a carry overflow and the remaining bits of the sum being supplied to the accumulator register 42 for use in a subsequent iteration. The embodiment shown reads out and then resets the three most significant bits of the sum in accumulator register 42 in between successive iterations, the overflow bits being read out from buffer 56 by the first three shift pulses of the next iteration. In another embodiment, Fig. 5 (not shown), the three most significant bits of the sum from adder 44 are gated directly to buffer 56 and the remaining bits are gated to accumulator 42. The arrangement may be used in a machine tool control.
Patent GB-1182800-A (GB)
Title: Method of Annealing Aluminium
IPC: C22F1/04
Filed: 1967-12-15
Abstract: 1,182,800. Lubricants. SUN OIL CO. 15 Dec., 1967 [16 Jan., 1967], No. 57030/67. Heading C5F. [Also in Division C7] The staining of aluminium having a surface hydrocarbon lubricant film is prevented by incorporating in the hydrocarbon oil, e.g. a naphthenic base crude, 0À02-2À0 weight per cent of an organo-tin compound having the formula R<SP>1</SP>R<SP>2</SP>: Sn: R<SP>3</SP>R<SP>4</SP> or R<SP>1</SP>R<SP>2</SP>: Sn: R<SP>5</SP> wherein R<SP>1</SP> to R<SP>4</SP> are selected from hydrocarbon, hydrocarbonoxy and carboxylic acid radicals and R<SP>5</SP> is selected from hydrocarbondioxy and dicarboxylic acid radicals. Examples of compounds added to the oil are: diisopropyl tin or dibutyltin dilaurate; dibutyltin di-2-ethylhexoate, phthalate or maleate; triphenyltin stearate or acetate; tetraethyltin; tetra-ptolyltin; tetraphenyltin; dibutyl dibutoxytin; dibutyl ethylenodioxytin; 1,4-dioxy-2-butenetin; tributyltin acetate.
Patent GB-1206709-A (GB)
Title: Gas-discharge display device
Inventor: TEMNIKOV FEDOR EVGENIEVICH
IPC: H01J17/49
Filed: 1968-12-04
Abstract: 1,206,709. Glow discharge lamps. MOSKOVSKY ORDENA LENINA ENERGETICHESKY INSTITUT. 4 Dec., 1968, No. 57546/68. Heading H1D. A gas discharge display device comprises a first electrode and a plurality of glow electrodes 2<SP>0</SP> ... 2<SP>4</SP> having different dimensions arranged to form an array ordered in terms of the varying dimension. The glow electrodes may be circular or hexagons in one or several planes. An auxiliary electrode 7 at the centre indicates zero or the sign of the data. Potentials are applied to a selected electrode or to several electrodes. The potentials can be varied to vary the glow intensity. Data is indicated by the relative size of the glow electrode and its glow intensity.
Patent GB-1414740-A (GB)
Title: Tapered hinge pin assembly and removal means
IPC: F16B3/06
Filed: 1973-12-12
Abstract: 1414740 Pivot pin assemblies; shovelling machines; clamping devices CATERPILLAR TRACTOR CO 12 Dec 1973 [26 Dec 1972] 57580/73 Headings E1F, E2B and E2F In a wheeled loader tractor 10, a hinge pin assembly 18 is provided between a mounting plate 14 mounted on a bucket 12 and a load arm 16, the hinge pin assembly being provided with a generally cylindrical portion fitted within a bore 22 in the load arm 16 and two end tapered portions 24 over which is disposed a cup-shaped collar 32 located within a central bore 42 in the bifurcated arms 26 and 28 of the mounting plate 14. The collar has a plurality of axially disposed slots 40 for facilitating wedging of the pin end 24 within the bore 42. A threaded bolt 44 passing through a threaded clearance opening 38 in the end of each collar 32 engages a screw-threaded bore 30 in the tapered portion 24 at each end of the pin 20 and the head end of each bolt 44 serves to draw the collar 32 into wedged engagement. Removal of the hinge pin assembly is achieved by removing the first bolt 44 and inserting a second bolt 46 (Fig. 3) when threadingly engaged with end wall opening 38. By rotating and advancing the bolt 48 the collar 32 is withdrawn out of wedged engagement. In an alternative arangement (Fig. 3, not shown) the end of the bolt 44 is adapted to bear upon a pin (48) provided in an opening in the tapered portion 24. In a further embodiment (Figs. 4 and 5, not shown) an annular washer (52) is placed on the bolt 44 prior to assembly and the washer is of such dimensions to allow the washer to drop to a position whereby the bolt is adapted to bear against the washer to provide a supporting surface for a second bolt (46) which is screwed into the threaded opening 38 in the end wall portion 36 of the collar 32 to withdraw the latter.
Patent GB-1150997-A (GB)
Title: Selective Call System.
IPC: H04W88/18
Filed: 1967-12-20
Abstract: 1,150,997. Radio signalling. INTERNATIONAL STANDARD ELECTRIC CORP. 20 Dec., 1967 [29 Dec., 1966], No. 57891/67. Heading H4L. In a selective calling system of the type using a calling signal consisting of a sequence of elements comprising frequencies of specified duration which modulate a carrier, a station equipment includes a tuning device consisting of a capacitor and an inductor having a plurality of tappings which are connected successively into the tuning device circuit by a step-by-step switching means under the control of timing means, the equipment being operable either in the transmitting or the receiving mode. Received calling signals are amplified at 26, limited at 27 and supplied to a circuit 25 coupled to the tuning device 21, 22. In the normal (receiving) state a ring switch 37 is on position 1 and a bi-stable 30 is on position " O," so that a signal is passed to AND gates 36, 41, and transistor switch 40 is operative to connect tapping 3 of the inductor 22 into circuit, these tappings being connected to the switches 40 1  to 40 5  in accordance with the code allotted to the station. If the received frequency is appropriate to the tuning of the device at position 1 a signal is supplied via amplifier 32 and detector 33 to a shaper 34. The output of shaper 34 sets a monostable device 42 having a delay which exceeds the total signal duration and providing another input to the gate 41. The output of shaper 34 is also supplied directly and via a ¢-element delay 35 to the gate 36 so that when a signal has been present for half its normal duration the gate 36 is opened and via amplifier 64 steps the switch 37 to its next position. This process is repeated step-by-step until the last position is reached and this position transmits a signal via differentiator 43 to gate 41 to initiate a ringing signal. The subsequent resetting of monostable device 42 restores switch 44 to position 1. When transmitting, the switches 401 to 405 are connected to the tappings in accordance with the calling code of the desired station and a press button 30a is operated to set bi-stable 30 in the " 1 " position. This connects a reaction winding 28 so that the circuit acts as an oscillator and also brings into operation an amplifier 47 and an impulse generator 38 for stepping the switch 37. By this means the selected modulating frequencies are generated in sequence and supplied via the amplifier 32 to the transmitting amplifier 47. The first frequency transmitted sets the device 42 which at the end of its delay time resets the bi-stable 30 to normal via a differentiator 46 and resets the ring switch to position 1.
Patent GB-1224907-A (GB)
Title: Dictation machine
IPC: G11B19/02
Filed: 1968-12-09
Abstract: 1,224,907. Dictation machines. INTERNATIONAL BUSINESS MACHINES CORP. 9 Dec., 1968 [19 Jan., 1968], No. 58365/68. Heading G5R. The subject matter of this Specification is included within Specification 1,224,909, and the claims relate to the pawl assemblies coupling the transducer carriage to the lead screw whereby a first subassembly has a pair of pawls alternately engageable with the lead screw to step the carriage in one direction, and a second subassembly has one pawl alternately engageable with, and disengageable from, the lead screw to step the carriage in the opposite direction.
Patent GB-1280448-A (GB)
Title: Improvements in or relating to optical glass
IPC: C03C3/112
Filed: 1970-12-09
Abstract: 1280448 Glass composition CARL-ZEISSSTIFTUNG [trading as JENAER GLASWERK SCHOTT & GEN] 9 Dec 1970 [12 Dec 1969] 58458/70 Heading C1M An optical glass has the percentage weight composition SiO 2  20-48, Na 2 O + K 2 O 7-32, TiO 2  + WO 3  30-44, WO 3  0-9, F 0À65-7À2, B 2 O 3  0-9, PbO 0-17, Al 2 O 3  0-5, Sb 2 O 3  0-5 and MgO + CaO + SrO + BaO + ZnO 0-5. The fluorine content is provided by 2-22 KF or 1-10 AlF 3 . The glass is produced in a process in which an oxidizing agent is present to reduce colour formation. The oxidizing agent may be an arsenate, oxygen or an oxidizing gas. In a preferred example the glass forming batch is melted at 1230‹ C. and refined for 1 hour at 1260‹ C. and cast at 1120‹ C. The glass is then transferred to a cooling furnace maintained at 480‹ C., kept for 1 hour at this temperature and then cooled at a rate of 7‹ C./hour to room temperature. Such glass a has an expansion coefficient of 116À3 x 10<SP>-7</SP> ‹C<SP>-1</SP>.
Patent GB-1235542-A (GB)
Title: Heat exchanger
Inventor: FISCHEL HALBERT
IPC: A61M16/10
Filed: 1968-03-18
Abstract: 1,235,542. Respiratory apparatus. H. FISCHEL. 18 March, 1968 [16 March, 1967], No. 59096/70. Divided out of 1,235,541. Heading A5T. [Also in Division F4] The subject-matter of this Specification is identical with that described in Specification 1,235,541 but the claims are concerned with a heat exchanger.
Patent GB-1281580-A (GB)
Title: Improvements in filing devices for documents
IPC: B42F17/08
Filed: 1969-12-05
Abstract: 1281580 Filing papers L'ORGANISATION ECONOMIQUE MODERNE SA 5 Dec 1969 [6 Dec 1968] 59427/69 Heading B6E A filing device for T cards comprises a panel 1 with a series of parallel obliquely dispersed strips 3 defining slots for the cards and an auxiliary member 7 which is adapted to fit in the slots for the purpose of sub-dividing it into a plurality of shorter length slots. As shown in Fig. 3, the auxiliary member is formed by a thin strip 8 from which thirteen posts 9 are formed for engagement in the slots between the strips 3 so that twelve short slots are formed. The strip 8 may be broken into sections giving two or five slots as required.
Patent GB-1294459-A (GB)
Title: Improvements in or relating to receivers
IPC: H04N5/62
Filed: 1969-12-05
Abstract: 1294459 Television receivers PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 5 Dec 1969 [10 Dec1968] 59524/69 Headings H3A and H3Q A television receiver comprises an I.F. amplifier 13 whose output is applied over two paths, one containing an I.F. sound carrier suppression filter 19, to the two inputs of a phase detector 45, the output of which is applied to tune the filter 19 in the event of a change of the frequency of the I.F. signal. The signals applied to the phase detector 45 may be I.F. sound carrier signals or signals derived therefrom such as the intercarrier sound I.F. signals. Amplifiers 27, 39; 53, 65 and detectors 33, 59 are provided in the two paths. The signals applied to the phase detector normally have a phase difference of 90 degrees which is altered, for example, when an oscillator 7 is detuned slightly to adjust picture quality, the error signal produced at the output of phase detector 45 tuning the filter 19 to ensure maximum sound suppression as well as to restore the 90 degrees phase difference. A further I.F. sound carrier suppression filter controllable by the output of the phase detector 45 may be incorporated in the I.F. amplifier 13. The required phase difference of 90 degrees at the phase detector may be produced by the filter 19 alone or by using additional phase shifting networks in one of the paths.
Patent GB-1370898-A (GB)
Title: Preparation of 2-styrylbenzopyrans
IPC: G03G5/06
Filed: 1971-12-23
Abstract: 1370898 Styryl-benzopyrans RICOH KK 23 Dec 1971 [26 Dec 1970] 60125/71 Heading C2C Compounds (I), where X is halogen, NO 2  or CN; Y is halogen, NO 2 , CN or carboxyl; R 1  is hydrogen or C 1-4  alkyl; R 2  is hydrogen or phenyl; R 3  and R 4  are hydrogen, methyl, ethyl or alkoxy; and n and n<SP>1</SP> are 0, 1 or 2 but n and n<SP>1</SP> are not both zero, are made by reacting a compound (II), where Z- is an anion; with methanol in a mixture with benzene and a base. Pyrylium salts (II) may be made by reacting a compound (III) with an acetone derivative R 1 CH 2 COCH 2 R 2  and reacting the intermediate product with an aldehyde V.
Patent GB-1386270-A (GB)
Title: Treatment of by-productoils
IPC: C10C3/10
Filed: 1972-12-29
Abstract: 1386270 Cracking; modifying oils; pitches; coking KUREHA KAGAKU KOGYO KK 29 Dec 1972 [29 Dec 1971] 60172/72 Heading C5E Oils boiling above 150‹ C. and obtained as byproducts from the production of olefines, e.g. by thermal cracking, are heated in the absence of hydrogen or other reagents to 400-600‹ C. at a pressure of 20 to 200 kp. cm.<SP>-2</SP> for 10 to 1200 seconds, the product is separated by distillation into thermally stabilized oil fractions and residual fractions, and these residual fractions are heated at 300-480‹ C. at a pressure from normal to 50 kp. cm.<SP>-2</SP> for 1 to 10 hours to provide pitch fractions. Light fractions boiling up to 400‹ C. may be removed from the product of the second heat treatment. The first heat treatment decomposes unsaturated radicals and splits off side chains to give a highly aromatic product. In the second heat treatment, more side chains are removed, and condensation to polycyclic aromatics occurs. Pitches obtained by the process of the invention are suitable as raw material for making needle coke. The thermally stabilized fractions can be used to make insulating oils and solvents; naphthalene and methylnaphthalene can be separated from them.
Patent GB-1313879-A (GB)
Title: Control system for an antiskid wheel brake system
IPC: B60T8/58
Filed: 1970-12-22
Abstract: 1313879 Antiskid braking system FORD MOTOR CO Ltd 22 Dec 1970 [9 Jan 1970] 60767/70 Heading F2F In a vehicle antiskid braking system wheel speed is compared with vehicle speed to give an indication of slip and a feedback signal is derived from a fluid pressure modulator 66 placed in a line between a master cylinder and a wheel cylinder to control the wheel slip detector circuit. Wheel speed is detected by a transducer 10 which passes a signal to a preamplifier 12 and then to a frequency to voltage converter 14. The converter output voltage Vw is connected by a switch 16 to a memory circuit 18, which at a time t=0 when the brakes are applied is isolated from transducer 10 and gives a memorized voltage Vo which is passed to a first adder circuit the output of which is connected to a second adder circuit 22 also receiving the converter output Vw. The first adder circuit receives the vehicle speed representing signal obtained from a linear accelerometer 24 the output of which is integrated at 30. A position transducer responsive to movements of the modulator piston 82 has a core 98 movement of which varies the inductance of a coil 100 forming part of a trigger circuit 56 which actuates a solenoid 58 causing a slide valve 62 to close communication between a pump 74 and the left hand side of piston 82 through lines 72, 76 and opens communication between the left hand side of piston 82 and exhaust. If the signal V 3  from the second adder circuit 22 exceeds a threshold valve a solenoid 60 is actuated causing a valve 64 to allow fluid pressure to pass from pump 74 to the right hand side of piston 82 through a passage 86 which piston is moved leftwardly causing a ball valve 94 to close communication between the wheel cylinder and master cylinder, and relieve the brake pressure. Leftward movement of piston 82 causes corresponding movement of transducer core 98 which results in deactivation of solenoid 60 thereby exhausting pressure in passage 86 to interrupt movement of piston 82. If an excessive wheel slip V 3  continues the cycle is repeated causing an oscillatory motion of piston 82.
Patent GB-776030-A (GB)
Title: Improvements in or relating to Drawing Heads for Textile Drawing Frames.
Inventor: NEBICH RUDI
IPC: D01H5/56
Filed: 1955-02-25
Abstract: 776,030. Roller weighting arrangements. VEB SPINNEREIMASCHINENBAU KARLMARX-STADT. Feb. 25, 1955, No. 5716/55. Class 120 (2). In a roller loading arrangement for a textile drawing head of the kind wherein the distances between the top rollers are variable and the loading on the top rollers remains constant independently of the distances therebetween, each loading point is provided with at least two loading means which act on a common transmission member and the loading means are mounted so as to be stationary and the transmission member acts as an adjusting member between the loading means in such a manner that a reduction of pressure of one loading means on a roller carrying saddle, occurring on the adjustment of the rollers, results in an increase of pressure of the other loading means on the same saddle. In the arrangement shown top rollers 1, 2 and 3 are held by clasp like holders 4 secured to double crank levers 5, 6 provided with journal 7. Compression springs 8 bear against the front arms 5 of the levers from above and compression springs 9 bear against the arms 6 from below. The springs 8, 9 are rigidly secured while the double armed levers can be adjusted in the drawing direction. For this purpose the carrier walls are provided with recesses 10 such that the journal 7 can be adjusted therein. In operation when the position of the rollers is adjusted by movement of the levers 5, 6 any decrease in the loading by one of the springs 8 or 9 is compensated for by an increase in the loading by the other spring. The roller carrier itself is constructed in two parts, a bottom part 12 and an upper part 11 hinged thereto at 13. The carrier may be longitudinally divided and the levers 5, 6 arranged on alternate sides of the carrier.
Patent GB-2000609-A (GB)
Title: Feedback Control Systems
IPC: G05D1/08
Filed: 1978-06-27
Abstract: A control system for controlling displacement of the aerodynamic control-surfaces (10) of an aircraft in response to movement of the pilot's control column (18). The system includes a first processor (16) that is supplied with input signals from the pilot's control column (18) and also with predominantly lower-frequency components of feedback signals from the control- surfaces (10). The first processor (16) derives an intermediate signal from the input signal and the feedback signal components by digital processing and supplies this intermediate signal to a second processor (25) which also receives the predominantly higher-frequency components of the feedback signal. The second processor (25) derives an output signal from the intermediate signal and the feedback signal components by analogue processing and supplies this to an actuator (14) for controlling displacement of the control-surfaces. The system may include a plurality of first and second processors arranged to provide a degree of redundancy. <IMAGE>
Patent GB-2001088-A (GB)
Title: Producing Dispersions of Polymeric Material and Preflocculated Fillers for use in Paper Making
IPC: D21H17/37
Filed: 1978-07-07
Abstract: The dispersions are produced with a relatively high content of a solubilised polymeric material which serves in the presence of paper filler as binder and dissolves only with difficulty, by continuously passing an aqueous suspension of the particulate binder through a treatment zone (2,3,4) in at least part of which it is subjected to shear, the rate of flow and degree of shear being such that the residence time in the zone allows optimum swelling of the binder and the resulting solution of polymeric binder is visually homogeneous. Flocculant and filler are preferably also incorporated to provide a continuous supply of preflocculated filler for a papermaking furnish. Typical materials are cold water soluble starch as binder, polyacrylamide as flocculant and chalk whiting as filler. <IMAGE>
Patent GB-2008836-A (GB)
Title: Teaching device
IPC: G09B1/08
Filed: 1978-07-27
Abstract: A teaching device includes a supporting panel, an article formed of individual parts which can be assembled to form a unit, and magnetic anchoring means for supporting the parts individually on the panel. The parts may each carry magnets and the board is formed of ferromagnetic material to anchor the article on the panel. <IMAGE>