baber/WOPTO huggingface dataset:
Patent GB-1085455-A (GB)
Title: Impervious sheet material
IPC: D04H1/64
Filed: 1965-11-03
Abstract: An impervious sheet material is produced by impregnating a material having a permeability value of 5,000-25,000 gm/hr/ 100 sq m with a linear polymer derived from a high mol wt polyglycol having a mol wt of 750-10,000, a diisocyanate, and a diamine, the ratio of diisocyanate to polyglycol being 2.5 to 1 and the ratio of diamine to diisocyanate being 1 to 1.  The permeable material is produced by impregnating a shrunk polyethylene terephthalate felt with a polymer as disclosed in United States Patent No. 2,723,935; 3,067,482; or 3,067,483.  A low mol wt polyglycol having a mol wt of less than 750 may be mixed with the high mol wt polyglycol, the ratio of low to high mol wt polyglycol being 0.5-3.  The linear polymer may be formed in situ by reaction of the diamine with a polyglycol-diisocyanate prepolymer temporarily stabilized with a vaporizable ketoxime.  The high mol wt polyglycol may be polyethylene, propylene, tetramethylene, hexamethylene, octamethylene, nonamethylene, decamethylene, or dodecamethylene glycol.  The low mol wt polyglycol may be a polymer of ethylene, diethylene or dipropylene glycol; 1,2- or 1,3- propanediol; 1,2-, 1,3- or 1,4-butanediol; 1,5-pentanediol; 1,10-decanediol; 1,1-cyclohexanedimethanol; 3-cyclohexene-1, 1-dimethanol; 2-hydroxyethoxy -1-propanol; or 2,2\sv-(thiobis(ethyleneoxy)) diethanol.  The diisocyanate may be 2,4-tolylene, 2,6-tolylene, m-phenylene, 4,4\sv-biphenylene, 4-chloro-1,3-phenylene, 1,5-naphthalene, 1,4-tetramethylene, 1,6-hexamethylene, 1,10-decamethylene, 1,4-cyclohexylene, or tetrahydronaphthalene diisocyanate; or methylene bis(4-phenyl or cyclohexyl isocyanate).  The diamine may be m-phenylene, 2,4-tolylene, ethylene, 1,3-propane, 1,4-butane, 1,5-pentane, or 1,6-hexane diamine; 4,4\sv-methylene dianiline; or hydrazine. Impregnation of the permeable material is effected by a suitable method under vacuum or pressure.  Curing is effected by heating the impregnated material.
Patent GB-1365937-A (GB)
Title: Polyurethane treating process and polyurethane compositions
IPC: C08K5/43
Filed: 1971-10-07
Abstract: 1365937 Polyurethane compositions DR TH BOHME KG CHEM FABRIK 7 Oct 1971  [10 Oct 1970] 46820/71 Heading C3S A composition comprises a polyurethane and an N-substituted aromatic sulphonamide of the general formula wherein Ar is an aromatic radical, R 1  is H or C 1-3  alkyl, R 2  is C 1-5  alkylene and R 3  is H, C 1-3  alkyl or C 1-4  acyl. The sulphonamide may be present in amounts of 2 to 30% by weight of the polyurethane. If desired, the sulphonamide may be ground with one or more pigments to form a pigmented paste which is subsequently added to the polyurethane in solution. Polyurethanes treated with the sulphonamides show a reduced tendency to electrostatic charging and are plasticized thereby. In specific examples the sulphonamides used are N-#-hydroxypropylbenzene sulphonamide; N-γ-methoxypropylbenzene sulphonamide; N-[#-hydroxy ethylbenzene sulphonamide and N-[#-acetylethyl]benzene sulphonamide.
Patent GB-1183727-A (GB)
Title: Improvements in Devices for Circulating and Aerating Aquarium Water.
IPC: A01K63/04
Filed: 1967-10-16
Abstract: 1,183,727. Aerating and circulating liquids; aquarium filter. ERWIN KOLFERTZ K.G. 16 Oct., 1967 [25 March, 1967], No. 46992/67. Headings B1C and B1D. [Also in Division F1] A device for circulating and aerating the water in an aquarium, comprises a centrifugal pump 6 which draws the water up through a filter pot 12 and discharges it back to the aquarium. The water flow entrains a quantity of air through a tube 15 which is connected to a pipe 16 open to atmosphere at its free end and containing a control valve 17. A venturi effect is established by restricting the water flow passage by the end of the tube 15 as shown. Alternatively or additionally, air may be entrained into the pump discharge flow. The filter pot contains a bed of gravel, wood charcoal and polyamide wool.
Patent GB-1471106-A (GB)
Title: Clutch control device for a machine tool
IPC: B23Q5/54
Filed: 1975-11-14
Abstract: 1471106 Clutch operating mechanisms A M ITIN and V F EREMIN 14 Nov 1975 47065/75 Heading B3T [Also in Division F2] A clutch control device for a machine tool such as a lathe comprises a first shaft 1 rotatable by a handle 7 and a second shaft 10 operably connected to a movable member of the clutch 12, the axes of the shafts being perpendicular and lying in the same plane and torque transmitting means 25 interconnecting the shafts for rotating the second shaft in response to angular displacement of the first shaft, the means 25 being of the type such that torque transmitted by the second shaft increases with the angular displacement of the first shaft. The first shaft is formed by two portions a and b the portion b having an opening 21 therethrough through which the second shaft passes, both shafts being rotatably mounted in the machine bed 2. The shaft 10 is supported in the opening 21 by a spherical type bearing housed in the portion b and which provides support for the shaft 1, the portion b also carries a roller member 26 which is mounted at an angle to the axes of both shafts 1 and 10 the roller 26 engaging in a forked region 29 of a bracket 29 secured to the shaft 10, the roller and fork assembly constituting the torque transmitting means 25 between the two shafts. The angular pivoting of the handle 7 from a mean position pivots the shaft 1 in either of two directions which causes displacement of the roller 26 in the bracket 29 and hence pivoting of the shaft 10 and which by way of a rack and pinion 19, 18 actuates a clutch fork 20 to engage either one of driven clutch parts 14 or 15 by a shiftable clutch member 11. The torque transmitted to the shaft 10 will increase in proportion to the angular displacement of the handle 7 due to the angular inclination roller and fork of the transmission means thereby ensuring that the greatest force acts on the clutch mechanism at the fully engaged position of the part 11 with either of the parts 14 or 15.
Patent GB-990405-A (GB)
Title: Improvements in and relating to microscopes
Inventor: SIBERT ALAN CHARLES
IPC: G02B21/14
Filed: 1962-12-14
Abstract: 990,405. Zone plates for microscopes. GILLET & SIBERT (OPTICS) Ltd; March 13, 1964 [Dec. 14,1962], No. 47233/62. Heading G2J. A contrast intensifying device for use with microscopes comprises a fixed device 1 having a plurality of transparent phase shifting annuli 1a, 1b 1c and a selector element 2 bearing a plurality of linearly separated transparent annuli 2a, 2b, 2c whose dimensions are related to the annuli of the fixed element 1. A particular annulus of the fixed element 1 is selected by shifting the selector 2 in the slide 3 to bring a particular annulus into alignment with the fixed element 1.
Patent GB-1152238-A (GB)
Title: Improvements in or relating to Rotary Drum Mixers
Inventor: SMALLEY WILLIAM
IPC: B01F29/63
Filed: 1965-11-09
Abstract: 1,152,238. Rotary drum mixers. GARDNERS OF GLOUCESTER Ltd. 20 Sent., 1966 [9 Nov., 1965], No. 47377/65. Heading B1C. A rotary drum mixer has transverse troughs 12 which may be of V or W shape decreasing in depth along the trough so that in operation they scoop up material and discharge it as a curtain over the sides as the drum revolves; if of W shape both faces are operative. Additionally there may be a slot at the apex of the trough. They may lie in planes normal or skew to the drum axis and may be attached to the drum wall at one or both ends. There may also be a conveying helix 13. Material is discharged by a scoop 10 through an outlet 9 which may be blanked off for batch operation.
Patent GB-1531007-A (GB)
Title: Rotary rectifier arrangement for an electrical machine
IPC: H02K19/36
Filed: 1975-11-18
Abstract: 1531007 Mounting rectifiers on dynamoelectric machines KRAFTWERK UNION AG 18 Nov 1975 [5 Dec 1974] 47544/75 Heading H2A In a shaft-mounted rectifier arrangement, for an electrical machine, comprising rectifiers 9 mounted on carrier members 6, 6<SP>1</SP> serving as terminals for respective D.C. conductors extending axially within the shaft I, the carrier members being electrically connected to the conductors through radially extending connector pins, e.g. 12, each carrier member comprises a non-magnetic intermediate ring 3 carrying a hub 5 and mounted in insulating manner on the shaft 1 and each connector pin has a head 15 which contacts the associated hub 5 and intermediate ring 3.
Patent GB-1025364-A (GB)
Title: Jar closures
IPC: B65D45/30
Filed: 1962-12-19
Abstract: 1,025,364. Container closure. MAUSER KOMM GES. Dec. 19, 1962 [Jan. 15, 1962], No. 47879/62. Heading B8T. A jar of plastics material has a plastics lid comprising a downwardly curving domed disc-like portion 5<SP>1</SP> surrounded by a cylindrical or approximately cylindrical portion 5 fitted with an interference fit in the jar mouth, the lid being retained by a ring 1 which has a flange 4 for holding down the lid and is provided with abutment means having a radial cross-section like that of a ratchet tooth and engaging downwardly facing shoulder means on the outside of the jar neck. As shown, the abutment means and shoulder means are rims 2 and 9 on the ring and jar respectively. To open the jar a loop 7 on the lid is pulled to release the lid from under the flange 4. To reclose the jar the lid is inserted with a flange thereof above the flange 4. A tagger paper may be inserted between the lid and the flange 4 before the jar is opened. In a second embodiment, the abutment means and shoulder means constitute an irreversibly selflocking bayonet joint.
Patent GB-1370104-A (GB)
Title: Process control apparatus
IPC: G05B11/26
Filed: 1971-10-15
Abstract: 1370104 Process control system LUCAS ELECTRICAL CO Ltd 14 Jan 1972 [15 Oct 1971] 48025/71 Heading G4H A system for controlling a process provides an output pulse of a duration determined by signals from two transducers representing parameters significant in the progress of the process. As shown, two transducers 22, 23 provide A.C. signals of a frequency indicative of the values of the parameters monitored, which signals are passed, via gates 71, 72 opened for a particular duration by a monostable 24, to counters 73, 75 and 74, 114 so that the value held therein at the end of the open interval of the gates is indicative of the values of the parameters. These values are passed to respective decoding circuits 13, 14 providing outputs to a diode matrix 77, i.e. the circuit 13 causes one of twelve input lines 11a-11p to be energized and the circuit 14 one of twelve sets 15a-15p of seven input lines to be energized. The matrix is arranged as shown where each dot represents a diode connection between two crossing wires. A seven-bit word indicative of both parameter values may thus be derived (e.g. if line 11a and unit 15a were to be activated the word 1001000 would be produced) and passed to a comparator 53. The start of an output pulse is indicated by the setting of a flip-flop 46 by a trigger device 45. This enables gate 47 to pass pulses from an oscillator 48 to a counter 49 which after having reached a predetermined value closes the gate 47 and opens the gate 51 to pass pulses to a counter 52 which counter provides the other input to the comparator 53. When the inputs to the latter become equal an output pulse is produced which is passed to a counter 54 and also as a reset signal to counters 73, 75, 74, 114 and a triggering signal to the monostable 25. This process is repeated 16 times when an output pulse is produced by counter 54 to reset flip-flop 46 and terminate the pulse. Thus the duration of the output pulse is proportional to the mean value of the parameters during the output period. The counter 49 and gate 47 act as a fixed delay device to increase the resolution of the output pulse at very small values thereof. Two further counters 86, 87 receive the output pulses from the comparator and add a corresponding count to the other counters prior to the input to the decoder to improve resolution of the inputs thereof. The frequency of the oscillator 48 may be varied by means 35 in accordance with variations in the value of at least one further parameter.
Patent GB-1030639-A (GB)
Title: Power operated hatch cover assembly
IPC: B63B19/197
Filed: 1964-11-27
Abstract: 1,030,639. Hatch cover assembly. FULLER CO. Nov. 27, 1964 [Dec. 24, 1963], No. 48340/64. Heading E2M. A hatch cover assembly comprises a pair of rectangular panels A and B which extend in side-by-side relationship in the closed position and in folded booked relationship in the open position Fig. 4 (not shown), and which during movement between these positions pivot about a pair of spaced parallel axes which are fixed relative to each other and pass through the axes of parallel hydraulic rotary actuators 37 and 38 connected to adjacent edges 27 of the panels, the actuators being connected to each other by gears G and G<SP>1</SP> so that the panels move at the same speed. The side edges 29 of the panel A are fitted with rollers 36 which run on ledges 14 on top of the coamimg surrounding the hatch, and the end edge 17 of the panel B has outwardly extending portions 18 which are pivotally connected to upright standards 22. To prevent twisting of the panels, two pivotal connecting links 112 are provided along the edges 27. Referring to Fig. 8, the actuators 37 and 38 have castings with mounting brackets 39 and 40 rigidly bolted together. An actuator consists of a circulator rotor 50 mounted within a casing 41, the rotor being provided with a pair of diametrically opposed radially extending vanes 56 in sealing engagement with the casing and the casing having two diametrically opposed dividers 58 in sealing contact with the rotor thereby forming facer compartments 61, 62, 63, 64; opposite compartments being connected by passages 76 and 77 passing through the rotor. One pair of compartments is connected to a fluid under pressure and the other pair to exhaust through lines 89 and 93 whereby the rotor will turn and hence the panels through splined end portions 54 and 55 Fig. 9 (not shown) encompassed by hubs 96 which are securely attached to beams 25 through brackets 97. Gaskets A<SP>1</SP> and B<SP>1</SP>, Fig. 3 (not shown), are provided around the bottom edges of the panels and along the edges 27 to make a water-tight seal. Whatever the position of the two panels the actuator will substantially remain within the confines of the said panels.
Patent GB-971957-A (GB)
Title: Improvements in or relating to thermo-electric devices
IPC: H01L35/32
Filed: 1962-12-21
Abstract: 971,957. Semi-conductor devices. SIEMENSSCHUCKERWERKE A.G. Dec. 21, 1962 [Dec. 21, 1961], No. 48482/62. Drawings to Specification. Heading H1K. Like ends of a plurality of thermo-electric devices are separated from a heat-exchanger by a mica wafer provided with apertures which contain adhesive to bond the devices to the heat-exchanger. The invention is used to join heat exchangers to the " hot " and " cold " ends of a Peltier device, the mica wafers being about 25 Ám thick.
Patent GB-1477530-A (GB)
Title: Flow meter
IPC: G01F1/22
Filed: 1974-11-11
Abstract: 1477530 Measuring fluid-flow LUDWIG GREFE GmbH 11 Nov 1974 [3 Dec 1973] 48686/74 Heading GIR A flowmeter comprises a housing for fitting on a pipe-line, the housing including a tapered tubular portion 1 through which a baffle 8 is visible, the baffle being spring-biased against the force of the current so that it takes up a position indicative of the rate of flow. A scale 12 is provided. The biasing means may be a tension 7 or compression spring or an elastomeric element.
Patent GB-1016877-A (GB)
IPC: F28C1/00
Filed: 1963-12-10
Abstract: 1,016,877. Contacting gases with liquids. A. JIROUNEK, and J. KRIZ. Dec. 10, 1963 [Dec. 10, 1962 ; June 13, 1963], No. 48729/63. Heading B1R. [Also in Division F4] A cooling tower comprises evaporating walls to which water is supplied and from which said water is drained, a main water supply channel 3 with distribution conduits 10 branching from said channel and being provided with outlet nozzles directed towards distribution plates to wet these without spraying, said distribution plates being arranged above the evaporating walls 9 and across the same, collecting troughs 11 being provided below the evaporating walls to terminate in a main outlet channel 12 which itself terminates in a collecting tank. Warm water is supplied to a tank from which it is distributed through the cooler, Partitions 5 divide the cooler into groups and gates in the warm water tank at the entrances to various groups of channels 3 permit varying supplies. The water forms a regular film and flows from the distribution plates to the evaporating walls 9, directly or by way of supply plates. Openings, extensions or depressions may be provided on upper parts of the evaporating walls to maintain uniform water distribution. Double posts 4 support the main supply channel 3. A trough collects water reflected from the evaporating walls, and this water is pumped into the collecting tank.
Patent GB-1414678-A (GB)
Title: Dental creams
IPC: A61K8/25
Filed: 1973-10-19
Abstract: 1414678 Dental creams COLGATE-PALMOLIVE CO 19 Oct 1973 [30 Oct 1972 30 April 1973] 48800/73 Heading A5B A dental cream comprises a dental vehicle having dispersed therein an amount of alphaalumina flakes, finely-divided zirconium silicate or mixtures thereof within the range of 0.01 to 5% and an amount of iridescent flakes within the range of 0.1 to 5%, the alpha-alumina flakes being flat with sharp edges and having an average particle diameter of less than 20 microns and thicknesses of less than about 3 microns and the zirconium silicate having an average particle size of less than 5 microns. The iridescent flakes are preferably transparent mica flakes coated on both sides with titanium dioxide, these flakes having an average thickness of less than 1 micron and being less than 100 microns in length. The cream may contain as an abrasive, an amorphous silica or an amorphous alkali metal or alkali earth metal alumino silicate.
Patent GB-1533994-A (GB)
Title: Signal discriminating circuit
IPC: G10L25/78
Filed: 1975-11-28
Abstract: 1533994 Speech discriminators PIONEER ELECTRONIC CORP 28 Nov 1975 [29 Nov 1974 13 Oct 1975] 48923/75 Heading H4R A speech signal is discriminated from busy and dial tones on the same line by counting at 30 waves (i.e. oscillation or envelope peaks) of the line signal over repetitive periods sufficient to include N waves of speech but not of the tones, and providing an output 10, 12 when the counter 30 reaches or exceeds a count of N during any one such period. A second counter 38 receiving pulses from oscillator 40 continually sets and resets envelope peak counter 30 every 0À24 secs. Speech can expect to contain 10 envelope peaks every 0À2 secs. so a count of 10 in 30 indicates receipt of speech. False operation by "chatter" at the start and end of tone bursts is avoided by counting oscillation peaks <SP>1</SP>/ 20  sec. after the burst begins and ceasing before the burst ends so that a count of 6 within <SP>1</SP>/ 120  sec. indicates speech.
Patent GB-1391316-A (GB)
Title: Mining and excavating machines
IPC: E21D9/12
Filed: 1972-10-27
Abstract: 1391316 Mining machine DOBSON PARK INDUSTRIES Ltd 22 June 1973 [27 Oct 1972] 49617/72 Heading E1F A mining or excavating machine comprises a mineral working tool 13 mounted as an extensible boom 12 articulated to a carriage 10, a first conveyor means including a ramp 14 which scoops up material mined or excavated by the tool 13 and two conveyors 17 positioned or positionable over and beyond the opposite sides of the ramp for gathering material worked by the tool and conveying it onto a second conveyor 25 extending from front to rear of the machine. The conveyors 17 are pivoted at 18 to a ramp 14 and movable by rams 19 to cover an area in front of the machine, each having blades 23, Fig. 2 carried by a bar 22 reciprocated by rotating cranks 24, or paddles carried by an endless chain. Or there may be two screw conveyors (32) and (33), Fig. 5, pivotally mounted on the ramp 14.
Patent GB-501350-A (GB)
Abstract: 501,350. Light - valves. KLANGFILM, GES. Aug. 25, 1937, No. 23306. Convention date, Aug. 25, 1936. [Class 40 (iii)] Relates to a process and apparatus for the optical recording of sound in which an apertured mask is interposed between the light source and the device controlled by the sound currents, an image of the aperture in the mask being directed on to a slit located between the device controlled by the sound currents and the film. According to the invention, the aperture comprises an intermediate portion of uniform width and two end portions, one of which is suitably shaped for passing over the light-slit to modulate the light passing through the slit and the other of which has means comprising one or more shaped parts for producing a gradual reduction of the light passing through the aperture, the arrangement being such that, in the modulation range, the light passing through the aperture varies linearly with the sound currents and, on the occurrence of over-modulation, the quantity of light passing through the aperture drops off gradually from a maximum value. The Figure shows the image of an aperture 1 thrown on to a slit 4, one end of the aperture being formed with two triangular portions which co-operate with the slit in the modulation range whilst the other end is formed with three triangular portions 3 adapted to co-operate with the slit 4 on over-modulation.
Patent GB-1161139-A (GB)
Title: Improvements in or relating to Collapsible Tent Structures.
Inventor: KONING ARIE ADRIANUS DE
IPC: E04H6/04
Filed: 1967-11-03
Abstract: 1,161,139. Folding tents. A. A. DE KONING and K. K. K. DE KONING. 3 Nov., 1967 [8 Nov., 1966], No. 50194/67. Heading E1A. A folding tent comprises a framework of inverted U-shaped ribs 13 pivoted at 14 to members 9 which on erection are adapted to be vertically displaced by jacks 11 acting on lever system 3, 5 pivoted to base beams 1,2. One end of the tent is anchored to the floor 15 whereby on operation of the jacks 11 and 12 the tent is partially erected, see Figs. 2 and 4, (not shown), full erection being effected by an aditional jack 16 acting on a wire and pulley system 20. Jacking means are provided for the lever system, see Figs. 6, 7 and 8 (not shown).
Patent GB-1163287-A (GB)
Title: Improvements in or relating to Low-Power Synchronous Electric Motors
IPC: H02K19/08
Filed: 1966-11-09
Abstract: 1,163,287. Synchronous motors having permanent magnet rotors. SCHOBESTA S.A. 9 Nov., 1966 [12 Nov., 1965], No. 50221/66. Heading H2A. In a low-powered synchronous electric motor comprising a stator having a 1-phase A.C. toroidal winding 4 and two sets of interdigitating polepieces 7, 13 forming a cylinder within which is a rotor 14, 15 magnetized with a fixed polarity and drivably connected to a driven member via a lost motion coupling, a needle 3 rigidly fixed to the stator mounts the rotor on a ring 16 which forms part of the coupling by having parallel with the rotor axis a flat 17 which when contacting a parallel flat 22 on a ring 20 integral with an output driving pinion 21 provides the lost motion. The polepieces 13 may be formed in either a disc 11 secured to a cover plate 10, or the cover plate itself. The rotor consists of a Cu. or moulded disc 14 to which is cemented or glued a high coercive value sintered annulus 15 e.g. of ferrite, iron oxide, cobalt, and permanently magnetized to provide peripheral spaced alternate poles. Should the rotor start in the wrong direction, a spring blade 26, Fig. 8, of a disc 24 frictionally driven by a gear-wheel 23 engages a pinion 27 and so causes the rotor to rebound in the correct direction.