baber/WOPTO huggingface dataset:
Patent GB-1349892-A (GB)
Title: Compositions for preparing polymerisable resin mixtures
IPC: C08L67/06
Filed: 1973-10-02
Abstract: 1349892 Compositions for preparing polymerizable resin mixtures FARBWERKE HOECHST AG 22 April 1971 [23 April 1970] 45983/73 Divided out of 1349891 Heading C3P A composition comprises at least one solid, inert filler, at least one polymerization initiator for unsaturated polyesters, and at least one cotelomer of maleic anhydride and a vinyl aromatic compound, the or each cotelomer containing residues of maleic anhydride and of the vinyl aromatic compound in a molar ratio of 1 : 20 to 1 : 2 and having an average molecular weight within the range of from 600 to 3000. In the example a composition is made by mixing together arenaceous sand, quartz powder, kieselweiss, titanium dioxide, benzoyl peroxide, asbestos fibres and a cotelomer of styrene and maleic anhydride. The compositions can be added to unsaturated polyesters to yield polymerizable resin mixtures.
Patent GB-1204186-A (GB)
Title: Improvements in or relating to anti wheel-slip devices
Inventor: BUHLER HANSRUDI
IPC: B60L3/10
Filed: 1967-10-09
Abstract: 1,204,186. Automatic traction control. MASCHINENFABRIK OERLIKON. Oct.9, 1967 Nov. 24, 1966, No. 46060/67. Heading G3R. Also in Division H2 In a traction system, excessive wheel-slip is prevented by reducing the tractive effort in response to a signal having variable and constant components which are developed from an axledriven tachometer generator 1. The output of the generator is rectified, smoothed, and differentiated to provide a deceleration signal ar which is applied to flip-flop circuits 8, 9, associated with an OR- gate 10. When the decleration signal is between a minimum and mean value, the polarity of terminal S', of circuit 8 is such that diode 13 conducts, this Diode 20 conducts when the deceleration of the wheel reaches a maximum value so that capacitor 15 discharges through resistor 21, the output voltage of the amplifier 16 decreasing. The rate of discharge is changed when diode 24 conducts, and diode being connected to Zener diode 11 and resist- or 12. Capacitor 15 is charged through resistor 14 so that amplifier 16 generates an increasing correction-signal component delta JS1. When the signal ar exceeds the mean value, the terminal S' changes polarity, diode 13 is blocked, and the output of amplifier 16 remains constant for a period. the capacitor 15 discharges through high ohmic resistor 25 so that the output voltage of the amplifier 16 falls slowly and linearly with time. At the commencement of wheel-spin, capacitor 30 is charged rapidly through diode 28 so that diode 29 conducts to provide correction-signal component delta JS2. This component is held constant for an extended period until the polarity of terminal S of the gate 10 changes sign and the capacitor 30 is discharged through resistor 26. The traction motor 38 is supplied through rectifier bridge 36, a reference signal JC for the motor current being derived from potentiometer 31 through a non-linear limiting element 32. The anti-wheel spin device 33 provides signal JCS representing the sum of signals delta JS1 and delta JS2. The resultant signal JCr is compared with current signal J to control the rectifier 36. The anti-slip device may be modified to control regenerative braking of the vehicle.
Patent GB-1168643-A (GB)
Title: Haloethers and Halodienes.
Inventor: HALL DAVID W
IPC: C07C17/00
Filed: 1966-10-19
Abstract: 1,168,643. Insecticides containing dimethoxydichloropentane. MARATHON OIL CO. 19 Oct., 1966 [22 Oct., 1965], No. 46747/66. Heading A5E. [Also in Division C2] Insecticidal compositions comprise 1,5- dimethoxy-3, 3-dichloropentane plus a carrier.
Patent GB-1315805-A (GB)
Title: Drill pipe rack
IPC: B65G1/04
Filed: 1971-10-08
Abstract: 1315805 Boring earth &c LEE C MOORE CORP 8 Oct 1971 [26 Oct 1970] 46878/71 Heading E1F A pipe rack comprises a track 1, a carriage 6 movable step by step along the track to receive horizontal pipe in different locations from a fixed pipe-lowering station. Two carriages connected by braced beams 35, 36, 37 run on two tracks. A hydraulic motor 33 drives a screw 25 engaging a nut fixed on a carriage, a chain 32 driving a similar arrangement on the other carriage to move the carriages in unison. Two pipes are stacked in spaces between posts 21, and collars 22 are stacked in a wider space at one end of the carriages.
Patent GB-1151297-A (GB)
Title: Improvements in and relating to Pipe-Fitting Tools
Inventor: DAVIES FRED
IPC: F16L41/08
Filed: 1967-10-13
Abstract: 1,151,297. Making pipe-fittings; flanging; spinning. F. DAVIES. 13 Oct., 1967 [18 Oct., 1966], No. 46880/67. Headings B3A, B3E and B3J. A tool for flanging a hole in an aluminiumcopper, bronze &c. pipe 15 comprises a two-part former 1, the sections 1a of which form a partspherical or part-conical surface 6 inside the pipe around the hole, means to rotate and simultaneously draw the surface outwardly against the periphery of the hole and form an external flange. The sections 1a are inserted singly and located in the bore 9 of a holder 3 by a pin 4. A bifurcated support 2, recessed at 14 to locate on the pipe, receives the holder in a bore and has left- or right-hand screw-threads 17 for a collar 18. A bar 12 for turning the holder 3 engages recesses 19 in the collar which it also rotates to effect endwise movement of the holder and former. Flats may be formed on the shank 5 of the former, or this may have a bayonet connection with the bore 9, Figs. 6 and 7 (not shown). Branch pipes of copper may be secured by silver solder, one of P.V.C. being secured by an acrylic adhesive.
Patent GB-1322578-A (GB)
Title: Garment of trouser type
Inventor: BARTOS K
IPC: A41D1/06
Filed: 1970-10-02
Abstract: 1322578 Trousers VYZKUMNY USTAV PLETARSKY 2 Oct 1970 [29 Oct 1969] 46926/ 70 Heading A3V A method of making a pair of trousers, or similar, from a single piece of fabric which is both extensible and shrinkable and contains thermoplastic material, by shaping the garment after the seams have been joined. A rectangular piece of fabric may be folded so that two opposite edges 13, 14 meet in the middle of the sheet, a cut of length C then being made along the centre axis to the intended crotch position, the cut forming edges 15, 16. The edges 13, 14 are then joined to the edges 15, 16 respectively to form two leg portions, end 13 is joined to 14 above the crotch to form a body portion. Alternatively an open ended cylindrically shaped piece of fabric may be used which allows the garment to be made without any seam in the body portion. The garment is finally shaped by heat treatment which causes it to conform to the shape of a template device which comprises two fixed leg plates and pivotally mounted posterior and anterior shaping members, the body portions being extended by the action of the posterior and anterior members, and the leg portions shrinking to conform to the shape of the leg plates.
Patent GB-1443964-A (GB)
Title: Distribution of voice-frequency signalling current sources to utilisation devices
IPC: H04Q1/453
Filed: 1973-10-09
Abstract: 1443964 Automatic exchange systems PLESSEY CO Ltd 6 Sept 1974 [9 Oct 1973] 47018/73 Heading H4K In an arrangement in which two multifrequency generators each serve a separate group of multi-frequency utilization devices (e.g. senders) to which they are connected by respective distribution networks, the outputs of each generator are monitored and upon failure of any output that generator is disconnected from its distribution network and the other generator connected to supply both networks. As described the invention is used for inter-register signalling using 2 out of 6 multi-frequency senders. Two generators each normally producing all six frequencies simultaneously each normally supply all six frequencies via isolating resistances and transformers to four groups of ten senders. The six outputs of each generator are monitored by corresponding bi-stable detectors providing six inputs to a seven input AND gate which receives its seventh input from a test key. In the event of a detected output failure or a test the AND gate responds enabling a set of relays which immediately disconnect the generator with a defective output and enable a timing circuit. If the fault is due to a distribution network failure the defective output immediately restores, the AND gate responds, one relay of said set releases to prevent connection of the defective distribution network to the other generator, the timing circuit is inhibited and a prompt alarm lamp and the appropriate distribution network defective lamp are illuminated. If however the defective output from the generator persists the timing circuit times out, a relay operates to connect the outputs of the other generator to both distribution networks and a deferred alarm lamp and the appropriate generator defective lamp are illuminated. The attendants console also has keys to allow one or other of the generators to be removed for servicing. These and the previously mentioned pair of test keys are only effective when the system is working normally and the keys of each pair are interlocked on a one only operated basis. A reset key to allow re-introduction into service of repaired equipment is also provided.
Patent GB-1437528-A (GB)
Title: Combustion chamber arrangement for rotary compression-ignition engines
IPC: F02B55/14
Filed: 1973-10-09
Abstract: 1437528 Rotary piston engines ROLLSROYCE MOTORS Ltd 27 Sept 1974 [9 Oct 1973] 47176/73 Heading F1F A rotary piston, compression ignition, I.C. engine, e.g. of Diesel type, comprises a main chamber 13 with n lobes receiving an eccentrically-mounted, rotary piston 10 with n+1 lobes, and a primary ignition chamber 16 communicating via a tubular insert 18, e.g. of highly-refractory material, with chamber 13. The upper part 16B of chamber 16 is formed in a plug 21 inserted in the housing 15, an injector 22 and starter plug 24 being mounted in plug 21. Water-cooled passages 20, 38 are provided. The rotary piston has a combustion recess 11, Fig. 1A (not shown), in each flank. In Fig. 2 (not shown), the bottom of chamber 16 is flat, and insert 18 is press-fitted into the housing.
Patent GB-1482939-A (GB)
Title: Method of the cold adhesion of wood glues
IPC: C08L97/02
Filed: 1974-11-01
Abstract: 1482939 Wood glass; chipboard BASF AG 1 Nov 1974 [2 Nov 1973] 47343/74 Headings C3R and C3N Wood glues consist of a 45-70 wt. per cent solution of a condensate of formaldehyde with urea, melamine and/or phenol, containing up to 10% by weight of a ligninsulphonate (dry weight, based on the resin solution). A suitable ligninsulphonate is sulphite waste liquor, added as such or as powder. Preferred condensates are UF resins of U : F ratio 1 : 1À2- 1-8, MF resins of M : F ratio 1 : 1À5-3À0 and PF resins of P : F ratio 1 : 1À5-2À3. In examples a commercial UF resin is used with 0, 1, 2 or 4% of a sulphite waste liquor powder to bond wood strips and wood chips. A paraffin emulsion and ammonium chloride may also be present.
Patent GB-1075486-A (GB)
Title: Locomotive comprising a main driving engine and an additional driving engine
IPC: B61C7/00
Filed: 1964-11-20
Abstract: 1,075,486. Locomotive driving gear. KLOCKNER-HUMBOLDT-DEUTZ A.G. Nov. 20, 1964 [Nov. 23, 1963], No. 47352/64. Heading B7H. A locomotive driving arrangement comprises a main, diesel, engine 1, an hydraulic transmission 3, a multi-stage mechanical transmission 4 and final drive 6, 7, 8. A gas turbine 2 feeds into the mechanical transmission through a multi-plate clutch or hydraulic coupling which may be associated with an overrunning clutch 9 or free-wheel device, and a shaft 5. The arrangement may include more than one main engine associated with one gas turbine, or more than one gas turbine associated with one main engine.
Patent GB-1125091-A (GB)
Title: Sulphur trioxide
IPC: C01B17/69
Filed: 1963-12-05
Abstract: 1,125,091. Sulphur trioxide. STANTON & STAVELEY Ltd., J. B. WHEATCROFT, and A. B. WILLACY. 5 March, 1965 [5 Dec., 1963], No. 48175/63. Heading C1A. [Also in Divisions B8 and C3] Discrete portions of SO 3  are provided with a coating which is impervious to SO 3  vapour and atmospheric moisture and which disintegrates to permit the escape of SO 3  vapour when heated to a temperature, less than about 255‹ C., sufficient to cause vapourization of the SO 3 . The coating may disintegrate by sublimation, co nbustion or rupture of the coating material which may be sulphur, phthallio anhydride, tetrachlorophthalic anhydride, shellac modified by reaction with tetrachlorophthalic anhydride, a hydrogen polymer or a fluorinated and/or chlorinated hydrocarbon polymer. The SO 3  portions may be in the form of pellets of diameter about “ inch. The SO 3  pellets may be introduced into a waste gas stream where a mechanical separator and/or electrical precipitator are used, at a temperature sufficient to cause break up of the coating and consequently to precipitate a substantial portion of the dust particles.
Patent GB-1087050-A (GB)
Title: Improved connecting system between supply or consuming lines
IPC: H02J3/04
Filed: 1965-11-15
Abstract: 1,087,050. Protective arrangements for transmission lines. LICENTIA PATENT-VERWALTUNGS G.m.b.H. Nov. 15, 1965 [Nov. 20, 1964], No. 48307/65. Addition to 1,086,255. Heading H2H. A system for interconnecting alternating current networks as claimed and described in Specification 1,086,255 is modified by the addition of a further element either inductive or capacitive so as to cause parallel resonance of the interconnection to be reached before a given predetermined value of current in the interconnection is attained.
Patent GB-1089414-A (GB)
Title: Improvements relating to the production of non-woven fabrics
IPC: D04H3/009
Filed: 1964-11-30
Abstract: 1,089,414. Filamentary structures. CARL FREUDENBERG. Nov. 30, 1964 [Nov. 29, 1963], No. 48584/64. Addition to 1,055,187. Heading B5B. [Also in Division D1] A non-woven fibre structure is made by extruding one molten fibre-forming polymeric material through apertures arranged in one or more rows to form a sheet or sheets of parallel continuous filaments df that material and another molten fibre-forming polymeric material through other apertures arranged in one or more other rows to form a sheet or sheets of parallel continuous filaments of that other material, stretching the filaments by gas streams forced out of slots one on each side of each row of apertures and adjacent and parallel to that row, and leading each sheet of filaments, together with its associated gas streams through: an open-ended duct through which the filaments and gas pass substantially without turbulence, the filaments being stretched and set whilst being- kept parallel to but separate from one another, and forming a fleece by collecting the sheets of filaments on a carrier. Preferably, all the apertures through which each sheet df filaments is formed are arranged in a single spinneret and different fibre-forming polymeric materials are extruded from adjacent spinnerets. A fleece may be formed by entangling the filaments on a mesh screen and subjecting the fleece to suction against the screen. The mesh screen may carry projections arranged in a pattern so that a fleece having this pattern is formed. Subsequently the fleece may be needled and/or calendered In an example, the two polymeric materials used are polypropylene and polycaprolactam. In apparatus as shown, the two polymeric materials are fed to pumps 1 and 2, pump 1 feeding alternate spinnerets and pump 2 feeding the remaining spinnerets, through a distributer 3 containing suitable baffles. Each spinneret comprises a row of apertures through which filaments 5 are extruded in sheets and along either side of each row is an air slot 4 through which streams of air are forced, parallel to and with the filaments, each sheet of filaments being guided by the air currents from slots 4 through an open-ended duct 6. Each duct vibrates about a spindle 7, all the ducts vibrating in. phase, and a fleece, is formed from the filaments on mesh screen 8, which is in the form of a conveyer having perforations 9 to which suction is applied and pyramidal projec- Lions 10, so that the fleece is continuously carried away.
Patent GB-1104647-A (GB)
Title: Decoder for p.c.m.
Inventor: REEVES ALEC HARLEY
IPC: H03M1/00
Filed: 1966-10-31
Abstract: 1,104,647. Digital to analogue converters. STANDARD TELEPHONES & CABLES Ltd. 31 Oct, 1966, No. 48615/66. Heading G4H. In a PCM system the signals are decoded by being applied to a counter 1 to enter a value representing the sample and to a waveform generator 2 triggered by the incoming signal to produce a damped oscillation which is fed to a threshold detector 3 the output pulses of which are applied to the counter to count up from the value entered until the counter is full, when a signal is produced to sample the amplitude of the waveform and apply it to a peak storage circuit. In the encoder the amplitude sample is applied to shock-excite a damped oscillator, and the number of oscillations exceeding a predetermined threshold are counted. The number obtained is a representation of the amplitude of the input signal compressed according to a law depending on the rate of damping of the oscillator. In the decoder the damping rate of the oscillator is the same so that the output is a linear representation of the original input. The incoming PCM signal includes a polarity bit which is used to invert the output, if necessary. to produce a signal of the correct polarity. There may be positive and negative threshold circuits, symmetrical about the zero level of the damped sine wave. The peak storage circuit 6 may have positive and negative stores, the sum of the values in these stores being sampled to give the amplitude modulated output. The counter 1 has a capacity equal to the maximum signal expected.
Patent GB-1144375-A (GB)
Title: Apparatus and method for making compressed yeast blocks
Inventor: WILSON STANLEY BYRAM
IPC: C12N1/04
Filed: 1966-11-01
Abstract: 1,144,375. Moulding yeast. DISTILLERS CO. (YEAST) Ltd. 30 Oct., 1967 [1 Nov., 1966], No. 48814/66. Heading B5A. Compressed yeast blocks are produced by extrusion of lengths of the required cross-section thereof into aluminium or plastics troughs 2 of "U"-shaped cross-section, a plurality whereof are mounted in axially extending alignment around the circumference of a cylinder 5 which is mounted for intermittent rotation about a shaft 6, by means of a pneumatically operated ratchet 9, whereby successive troughs 2 are brought into alignment with a yeast extrusion apparatus and die 1. The cylinder 5 also reciprocates axially to bring the troughs into and out of contact with the apparatus 1. When the trough 2 is filled a stop at the end thereof acts to halt the extrusion, to operate a pneumatically actuated cutter 8 to sever yeast from the die and to operate mechanisms for axial and rotational displacement of cylinder 5. Cutting wires 4, or nylon threads, extend around part of the periphery of cylinder 5, passing through opposed apertures 3 in each trough 2 whereby the yeast is cut into blocks which are deposited on to an intermittently operated conveyer 7 for transport to wrapping means. The dimensions of the extruding die and position of the cutting means 4 are adjustable.
Patent GB-1532419-A (GB)
Title: Diffusion
IPC: A61B5/00
Filed: 1975-11-27
Abstract: 1532419 Measuring gas diffused through a surface G E NILSSON and A P OBERG 27 Nov 1975 [28 Nov 1974] 48893/75 Heading G1N In a device for determining the amount of gas or heat emitted from a skin surface by diffusion, a portion of the surface is encircled by a protective capsule 3, Fig. 1. Two capacitative transducers 8, 9 within the capsule 3 determine the "humidity gradient" in a direction away from the skin. Two thermistors 67 determine the temperature gradient The outputs of the transducers may be processed by the circuit shown in Fig. 3, wherein the electronics encircled by the dotted line boxes 243 are incorporated in the hand-held section of the device. The humidity sensors CRHA, CRHB are each connected to a monostable multi-vibrator supplied by an oscillator 11. The sensors determine the duration of the monostable multivibrator's output pulses. The pulses are filtered in low-pass filters 13-16 and are thereby transformed to direct voltages proportional to the duration of the pulse. Each filtered signal passes via a calibrating amplifier 21A, 21B directly to an amplifier 23A, 23B and indirectly to the amplifiers 23A, 23B via an inverter 22A, 22B and the corresponding thermistors RTA, RTB. The output of an associated differential amplifier 24 is proportional to the partial pressure gradient of the water-vapour in the capsule 3. This output signal is then directed via a low pass filter 17 and a further amplifier to a digital indicator means. The description refers to modifying the apparatus to measure the temperature gradient only, and thus the heat loss. This is achieved by replacing the humidity responsive signals by fixed voltages.
Patent GB-1397822-A (GB)
Title: Moulding apparatus
IPC: B29C49/00
Filed: 1972-04-18
Abstract: 1397822 Casting moulds AKITA KK 18 April 1972 [27 April 1971 (2) 25 June 1971] 48928/74 Divided out of 1397821 Heading B3F Apparatus for casting molten metal comprises a mould form 4, 8, and a mask 6, 10 complementary to the surface of the form, the mask being supported by compacted heat-resistant particulate materials in a chamber partly defined by the mask and means for reducing pressure in the chamber to hold the mask against the particulate materials. The apparatus is as described in Specification 1,397,821.
Patent GB-1411316-A (GB)
Title: Vaned rotors for gas turbines
IPC: F01D21/04
Filed: 1973-10-22
Abstract: 1411316 Bladed turbine rotors FIAT SpA 22 Oct 1973 [23 Oct 1972] 49028/73 Heading F1T To retain the ceramic blades 18 of a gas turbine rotor against radial movement relative to a metal rotor disc 10, a coil 28 formed of filaments of ceramic fibres or carbon fibres is wound circumferentially around the tips of the blades. Each tip is formed with a part-cylindrical shroud 22 to receive the coil. The root of the blade, is received in axial slots 20 having a cross-section as shown, or of part-circular or truncated V-shape. Circumferential grooves (14), Fig. 1, (not shown), intersect grooves 20 and facilitate axial retention of the blade roots in grooves 20. To protect against oxidation of the fibres, they may be coated with a thin layer of liquid ceramic during winding, or metallized before or after winding.
Patent GB-1279608-A (GB)
Title: Improvements in or relating to nuclear reactor fuel bodies
Inventor: HORSLEY GEOFFREY WINTON
IPC: G21C3/62
Filed: 1968-10-16
Abstract: 1279608 Nuclear fuel UNITED KINGDOM ATOMIC ENERGY AUTHORITY 23 Sept 1969 [16 Oct 1968] 49170/68 Heading G6C Nuclear fuel material comprises carboncoated particles of a mixture of (a) a compound of a fissile element with a non-fissile element which can produce a gaseous product on irradiation and (b) a gettering substance which combines with the gaseous product. For example UO 2  is sintered with 0À07 to 0À735% of SiC and the particulate product is coated with pyrrolytic carbon.
Patent GB-1528586-A (GB)
Title: Photoconductor surface smoothing
IPC: G03G21/00
Filed: 1975-12-02
Abstract: 1528586 Photo-conductive imaging surfaces XEROX CORP 2 Dec 1975 49393/75 Heading G2X A photo-conductive imaging member is treated to reduce the size of projecting surface defects to less than 5 microns by pressure contacting the moving surface of the member with a rotating cylindrical smoothing means which is oscillated in the axial direction. Preferably the smoothing means is a roller having a helically grooved surface and is oscillated 25 to 50 microns at a frequency of at least 20,000 Hz.