baber/WOPTO huggingface dataset:
Patent GB-1210373-A (GB)
Title: Improvements in or relating to ships' roll stabilizer control systems
Inventor: TANN ALEXANDER ARTHUR
IPC: G05D1/02
Filed: 1967-10-24
Abstract: 1,210,373. Automatic stabilization of ships. MUIRHEAD Ltd. Oct. 9, 1968 [Oct. 24, 1967], No.48206/67. Heading G3R. In a ship roll stabilization system, carrier signals at the frequency of the ship's normal electrical supply and a higher frequency are modulated in dependence on roll and, after conversion of the higher frequency modulated signal to one at the ship's supply frequency, the two signals at this frequency are combined to control a torque opposing roll. In a system as shown for stabilizing a ship against roll, synchro transmitters 2 and 3 produce electrical signals dependent on roll rate from a rate gyro 1 on the ship. The signal from transmitter 2 is at normal ship supply frequency while that from transmitter 3 is at a higher frequency supplied by an oscillator 4. This latter signal is converted to D. C. at 5 and applied to a differentiator 6 and an integrator 7 so that signals dependent on roll acceleration and roll are combined in suitable proportions by a modulator 10 the output of which, at ship supply frequency, is added to a suitably proportioned roll rate signal from transmitter 2. The three-term signal controls through an amplifier 16, demodulator 17, and electronic buffer stage 18, a fluid-pressure follow-up servosystem 19, 20 operating stabilizing fins 21. A further signal from a transmitter 12 associated with a damped pendulum 11 is added to the control system to ensure that the ship is stabilized about a vertical position.
Patent GB-1358169-A (GB)
Title: Method and apparatus for liquefying helium by isentropic expansion
IPC: F25J1/00
Filed: 1971-10-18
Abstract: 1358169 Gas liquefaction CRYOGENIC TECHNOLOGY Inc 18 Oct 1971 [19 Oct 1970] 48279/71 Heading F4P A helium liquefaction plant, comprises an indirect heat exchanger 16 in which a high pressure stream 14 of the gas to be liquefied is cooled by a low pressure stream 17 of the same gas, the cooled gas then being fed, via a further heat exchanger 40 and a surge chamber 41 to an engine 42 in which the gas is expanded isentropically to effect at least partial liquefaction any unliquefied gas returning via the low pressure stream. The high pressure stream is produced by a compressor 10 with an after-cooler 11 and is branched, one branch entering the first stage 15 of the heat exchanger, the other passing through a liquid nitrogen pre-cooler 18, the two branches joining up to enter the second stage 22 of the exchanger. The low pressure stream is obtained by drawing off some of the h.p. stream and passing it through charcoal traps 24, 32 before isentropically expanding it in engines 25, 33 and supplying it to the l.p. stream. The exchanger 16, a liquefied gas reservoir 43 and the various ancillaries are enclosed in insulation 55 comprising cooled shielding and evacuated volumes. In a modification, Figs. 2, 4 (not shown) the h.p. branch passing through the pre-cooler is isentropically expanded and fed to the low pressure stream, engine 25 being omitted in the Fig. 2 arrangement. The liquid nitrogen pre-cooler may be located within the main heat exchanger, Fig. 5 (not shown). The exchanger 16 may comprise merely the first stage of Fig. 1, Fig. 6 (not shown).
Patent GB-1080426-A (GB)
Title: Process for the production of ribosyl-phosphates of 8-azapurine derivatives by fermentation
IPC: C12P19/40
Filed: 1964-11-27
Abstract: 51-Ribosyl phosphates of the formula <FORM:1080426/C2/1> wherein R1 and R2 represent the same or different groups selected from H, OH, NH2 and SH, and X represents <FORM:1080426/C2/2> or <FORM:1080426/C2/3> are obtained by culturing a bacterium belonging to Brevibacterium ammoniagenes in a fermentation medium therefor which, in addition to the normal constituents thereof, contains an 8-azapurine derivative of the formula <FORM:1080426/C2/4> or a riboside thereof of the formula <FORM:1080426/C2/5> The fermentation being performed under aerobic conditions, at a temperature between 20 DEG  and 40 DEG  C. and at a pH between 5.5 and 9.0. The 8-azapurine derivative or the riboside thereof can be present at the commencement of the fermentation, or it may be added during the course of the fermentation.  The 8-azapurine present in the medium may be formed in situ from a functional derivative, e.g. a salt such as the sulphate, of the 8-azapurine, which may be added to the medium at the beginning of the fermentation or during the course of the fermentation. The fermentation medium used contains a carbon source such as a carbohydrate; a nitrogen source, inorganic substances and nitrogen-containing natural products. Examples are given in which 51-ribosyl phosphates of 2-amino-6-hydroxy-8-azapurine and 6-amino-8-azapurine are prepared.
Patent GB-1440729-A (GB)
Title: Inflatable boat
IPC: B63B7/08
Filed: 1974-11-11
Abstract: 1440729 Inflatable craft METZELER KAUTSCHUK AG 11 Nov 1974 [23 Feb 1974] 48707/74 Headings B7A and B7S An inflatable boat has two parallel support tubes 10, 11 interconnected by a flexible boat bottom 15<SP>1</SP> and a rigid insert floor 14. The tubes are stayed with respect to each other by a rigid bow member 12 and a rigid stern member 13. The support tube tips project forwardly beyond the bow member by at least the height of a support tube and the bow member is releasably secured to fastening points at its extremities within the top third of the vertical height of the support tubes. The bow member may be straight or curved and may be a fastening for a splash hood 21, a wind or wave deflector or windscreen 20.
Patent GB-1079787-A (GB)
Title: Electrical connector
IPC: H01R43/027
Filed: 1965-11-18
Abstract: 1,079,787. Couplings between wires. AMP Inc. Nov. 18, 1965 [Dec. 18, 1964], No. 48982/65. Heading H2E. Two wires W and W<SP>1</SP> are interconnected by means of a C-shaped connector C and a wedge member B which is driven between the wires by means of a propellant explosive charge housed within the wedge member B. The wedge member B has a bore 18 (Fig. 2, not shown) lined with stainless steel in which a piston 22 at the outer end of which is a loop 26, is slidable. An explosive charge is located in the bore between the piston and the end of the bore, this charge being detonated by striking a firing pin 36 projecting from the top of the wedge, which in turn strikes a percussion cap. The loop 26 is secured to any suitable means to prevent movement of the piston rod relative to the connector C, such as an extension (28), Figs. 4 to 6 (not shown). Reference has been directed by the Comptroller to Specification 959,884.
Patent GB-1411997-A (GB)
Title: Scraper conveyors
IPC: A01K1/01
Filed: 1972-10-25
Abstract: 1411997 Discharging scraper conveyers BADGER NORTHLAND Inc 25 Oct 1972 [1 Nov 1971] 49096/72 Heading B8A In a scraper conveyer comprising an endless chain 20 carrying scraper members 26 through a trough 16, the bottom 15 of the trough is provided with a discharge opening 28 which can be closed by a cover 30, and a rotatable wiper assembly 60 is movable to a position to wipe material from the scraper members 26 and discharge it through the opening 28. The opening 28 extends partially into one side wall 17 of the trough 16 and the cover 30 is L- shaped and pivoted to the side wall 17 at 32, being held in its closed position by a rod (34, Fig. 2) passed through brackets 36 on the trough and by a cam rod (38) rotatably supported by brackets 42, 44 on the trough. The wiper assembly 60 comprises blades 64 carried by a shaft 68 rotated by a motor 78 carried by a plate 56 pivoted to thebracket 42 at 58. The blades 64 just clear the top of the wiper members 26 and have cut outs 66 for clearing the chain 20. The scraper conveyer is described as an elevator (14) Fig. 1 for receiving manure from a barn and piling it, material discharged through the opening 38 being fed to a spreader vehicle 11.
Patent GB-1357740-A (GB)
Title: Aerosol spray laundry conpositions
IPC: D06F58/20
Filed: 1971-05-03
Abstract: 1357740 Biocidal/fabric softener compositions CALGON CORP 3 May 1971 [7 May 1970] 49243/73 Divided out of 1357739 Heading A5E [Also in Divisions C4 and Dl] An aerosol spray laundry composition comprises (a) from 5-45%, preferably from 10-24% by weight of a fabric-softening agent, i.e. a single chemical substance or a composition which, when applied to a fabric, imparts to it softness and optionally other desirable properties, such as antistatic, bacteriostatic, moth-proofing or mildewproofing, (b) from 10-60%, preferably from 24-45% by weight of a non-propellant non-inflammable solvent that is safe to use in a laundry dryer and that gives a homogeneous solution of the softening agent and (c) from 25-75%, preferably from 40-60% by weight of propellant, the propellant and softening agent being mutually compatible. The softening agent may be a single substance or a mixture which acts as: a softing and antistatic agent; a softening and bacteriostatic agent; or a softening, antistatic and bacteriostatic agent. Exemplified softening agents have the formula II where R 1  and R 2  are alkyl groups, at least one of which contains 10-30 carbon atoms and X- is an anion especially chloride. The preferred solvent consists of water, isopropanol and perchloroethylene. Exemplified propellants include tetrafluorodichloroethane, difluorodichloromethane and trichlorofluoromethane. The composition may additionally contain from 1-5% by weight of a surfactant and from 0.01-5% by weight perfume. Other softening agents specified are (1) primary amines of the formula RNH 2  where R is an alkyl group (more than 10C); (2) secondary amines of the formula R 1 NHR 2  where R 1  and R 2  are fatty alkyl groups, at least one of which contains more than 10 carbon atoms (3) tertiary amines of formula R 1 R 2 R 3 N where one or two of R 1 , R 2  and R 3  are fatty alkyl groups of more than 10 carbon atoms and the remaining R group is a C 1-4 alkyl group; (4) quaternary ammonium groups of formula I where at least one or two of the R groups are fatty alkyl groups and the remaining two or three groups are C 1-4 alkyl groups and X is an anion, preferably chlorine or bromine; (5) fatty alkyl substituted imidazolines and imidazoles; (6) fatty alkyl sulphonium salts; (7) fatty alkyl phosphonium salts; (8) fatty alkyl guanidines and their salts; (9) non-ionic materials such as polyethylene glycol stearates; and (10) anionic materials. The compositions may be used in the process of the parent Specification 1357739 for treating fabrics in a laundry dryer.
Patent GB-1375856-A (GB)
IPC: E04B1/41
Filed: 1971-10-26
Abstract: 1375856 Tie rods RAPID METAL DEVELOPMENTS Ltd 28 Sept 1972 [26 Oct 1971] 49645/71 Headings E1B and E1S A high tensile steel tie bolt 10 to be embedded in concrete has an annulus of synthetic rubber slidably mounted thereon to form a waterproof seal, one or more pairs of opposed concave depressions 13 being provided on the tie bolt.
Patent GB-1446565-A (GB)
Title: Vehicle seat
IPC: A47C1/032
Filed: 1973-10-26
Abstract: 1446565 Resiliently mounted seats CATERPILLAR TRACTOR CO 26 Oct 1973 49977/73 Heading A4U A vehicle seat, e.g. for an earth moving machine, comprises a base 14, a back support 42 and a seat bottom 56, the back support 42 being pivotally inter-connected with the bottom 56 at 71 and being pivotally connected to the base 14 by parallel links 30, 34, and the bottom 56 being pivotally connected to the base 14 by a link 38 and a hydraulic support damper 80, the arrangement being such that the back support 42 is maintained at a constant angle α to the base 14 when it moves up and down and the seat bottom 56 pivots about a point (78) spaced forwardly of the seat and approximately at the knee joint of an operator Figs. 3 and 4 (not shown). The seat is mounted on slides 26 for fore and aft adjustment. The seat parts 58, 60 may be tipped forwardly about a pin 64. The support damper 80 is operated by a three way valve 86. In the position R of the valve fluid passes from a supply 88 to the support damper 80 to raise the seat. In the position of the valve fluid passes from the support damper 80 to a reservoir 118 to lower the seat. In the normal operating position C of the valve no fluid passes to or from the circuit but fluid passes to and fro between the support damper 80 and a gas accumulator 100 due to vertical oscillation of the operator when the vehicle is moving. When the operator moves downwards fluid passes from the support damper 80 through a check-valve 96 and an adjustable orifice 114 to the accumulator 100. When the operator moves upwards fluid passes from the accumulator 100 through a fixed or adjustable orifice 112 and a check-valve 94 to the support damper 80. A check-valve 98 is opened at a fluid-pressure substantially above that which  opens the check-valve 96 to allow for high downward force due to adverse conditions of the surface over which the vehicle travels.
Patent GB-1129297-A (GB)
Title: Systems for measuring speed vector components
IPC: G01P3/64
Filed: 1965-11-26
Abstract: 1,129,297. Measuring velocity components by timing. SOC. POUR L'ETUDE ET LA REALISATION DES PROCEDES ELECTRONIQUES DE CALCUL "ANALAC". Nov. 26, 1965 [Nov. 27, 1964], No. 50474/65. Headings G1J and G1K. The components in the longitudinal direction y y' of a runway and along an x-axis perpendicular therto of the speed vector. V of an aircraft using the runway are derived from signals received by a measuring or recording device 3 from transducers R 11 , R 21 ; R 12 , R 22 ; R 13 , R 23 ; ..... at opposite ends of indentcal rubber pipes 21, 22, 23 ..... spaced at equal distances D across the runway. As the aircraft follows a path T it passes over each pipe and a wave, propagated in fluid therein, travels towards each transducer and upon its arrival an electric signal is generated and transmitted to the device 3 which determines the instants in time of their transmission from which the components of V are derived.
Patent GB-1095279-A (GB)
Title: Bleaching pulps
IPC: D21C9/10
Filed: 1965-11-29
Abstract: Low-cellulose wood pulp, i.e. wood pulp containing not more than 60% by weight of cellulose the remaining material being p  non-cellulose wood constituents, is bleached by treating it at a temperature of 90 DEG  - 300 DEG F for up to 4 hours in an aqueous pulp slurry having a pH of 5.5-8 and containing 1-20% by weight of pulp and 0.1-2% by weight of thiourea dioxide based on the weight of the dry pulp, the thiourea dioxide being used either as the acid or an alkali metal salt thereof, e.g. the sodium and potassium salts.  The aqueous pulp slurry may also contain sodium bisulphite in a weight ratio to the thiourea dioxide of up to 20 to 1 and/or up to 1% on the dry weight of the pulp of a polyphosphate, e.g. sodium tripolyphosphate, tetrasodium pyrophosphate and sodium hexametaphosphate.  The pH may be adjusted by the addition of sodium or potassium hydroxide or carbonate.  The pulp may be a mechanical pulp, e.g. a groundwood pulp produced by grinding wood logs on grinding stones or a refiner pulp produced by passing wood chips through a disc or other refiner to mechanically subdivide the wood into fibres, or a chemi-mechanical pulp produced by softening the wood prior to mechanical subdivision of the fibres by treating it with aqueous sulphite, bisulphite or other softening agent.  The pulp may be produced from spruce, fir, hemlock, pine, cottonwood, aspen or poplar.  The aqueous pulp slurry may be heated by external heating means or by passing steam through the pulp slurry.
Patent GB-1354383-A (GB)
Title: Apparatus and method for dispensing mixtures of expanded thermo plastic spheres and resins
IPC: B29B7/90
Filed: 1971-11-02
Abstract: 1354383 Coating apparatus RANSBURG CORP 2 Nov 1971 [12 Nov 1970] 50791/71 Heading B2L Apparatus for spraying a mixture of expanded thermoplastic spheres and a resin comprises a reservoir 11 for the mixture, a pump 12 and a dispensing gun 14 which can 'eject the mixture along with a catalyst from a reservoir 34 and, if required, chopped glass rovings from a cutter 22. The expanded thermoplastics spheres are mixed thoroughly with the resin in reservoir 11 and are ejected therefrom by a pump 12 driven by an air motor 18. A control valve 13 is provided which is actuated by operation of the spray gun 14 in such a way that during pauses in spraying the mixture is returned to the reservoir. Two nozzles are provided on the gun to produce an impinging spray of the mixture and a third gun is centrally located to introduce a catalyst to the point of impingement. Glass roving may be provided from a cutter and ejector 22 and these join with the mixture and catalyst sprayed from the other nozzles.
Patent GB-1520659-A (GB)
Title: Fluid-operated securing arrangement
IPC: E02B17/00
Filed: 1975-12-11
Abstract: 1520659 Hydraulic clamps LYNES INC 11 Dec 1975 [4 Aug 1975] 50844/75 Heading E2A [Also in Division F2] A hydraulic clamp comprises a support tube 2, an elastomeric member 15 inside it and gripping means 4 supported by the tube 2 and lying inside the elastomeric member 2. Fluid is supplied through conduit 17 to the annular space between the tube 2 and elastomer 15, thus causing it to press against the grips 4 which can thus grip an article such as pipe 55. The elastomer includes reinforcing sheaths 16, each having an end secured by welds 11a to the support, the end terminating short of the end of the other sheath 16.
Patent GB-514193-A (GB)
Abstract: 514,193. Isoxazole-carboxyamides. HOFFMANN-LA ROCHE & CO. AKT.-GES., F. Jan. 10, 1939, No. 798. Convention date, Jan. 17, 1938. Addition to 451,913 and 466,555. [Class 2 (iii)] Isoxazole-carboxylic acids, in which the carboxyl group is separated from the isoxazole nucleus by one or more methylene groups, are converted into their dialkylamides, aryl-alkylamides and piperidides by reacting the acids or their halides or esters with the corresponding secondary amines. The products possess enhanced therapeutic properties. Examples are given of the interaction of (1) 3:5-dimethylisoxazole-4-acetic acid chloride with diethylamine, dimethylamine and piperidine; (2) 3:5-dimethylisoxazole-4-acetic acid ethyl ester with methylaniline ; and (3) 3:5-dimethylis oxazole-4-propionic acid chloride with diethylamine. The above acid chlorides are prepared by treating the acid with thionyl chloride or a phosphorus chloride.
Patent GB-1197288-A (GB)
Title: Bulk Packer
IPC: B65B9/02
Filed: 1967-11-13
Abstract: 1,197,288. Wrapped packages with tear lines. AMERICAN MACHINE & FOUNDRY CO. 13 Nov., 1967 [28 Nov., 1966], No. 51487/67. Heading B8C. [Also in Divisions B4-B5] A pair of webs 21, 22 (Fig. 2), are sealed at front and sides about an article or articles, at least one of the webs is perforated, and the webs are welded and parted behind the article(s). In the form illustrated, sets of buns delivered by a conveyer 10 under the control of a photocell 12 are batched by a gate 14 and a conveyer 16 co-operating with a photocell 18 and are then fed between the two webs 21, 22 which are sealed longitudinally at 34. The web 22 is perforated longitudinally by a wheel 26. The webs are fed by rollers 28, which also draw them taut, and the webs are sealed and cut transversely by a device 40 which also applies a transverse line of perforations in front of and behind the cut. The cutting device and the web feed are controlled by a photo-cell 38. The cutting and welding are effected by a hot wire 56 (Fig. 6) brought into operation after the webs have been clamped between surfaces 52, 78 and 58, 80. The transverse perforations are made by blades 74 which co-operate with bristles 82 supporting the webs.
Patent GB-1081369-A (GB)
Title: Improvements in and relating to the production of rubber articles
IPC: B29C45/68
Filed: 1964-12-18
Abstract: 1,081,369. Injection moulding. CONTINENTAL GUMMI-WERKE A.G. Dec. 18, 1964 [Jan. 11, 1964; Jan. 16, 1964], No. 51715/64. Heading B5A. Rubber articles are moulded by injecting the material from a horizontally reciprocable injection unit 4, 5, 6 into an independently supported two-part mould 7<SP>1</SP>, 7<SP>11</SP> while the latter is closed under pressure by means of a fluid-pressure operated piston and diaphragm arrangement 10, 11 within a press 9. The lower mould part is encircled by a frame 20, Fig. 3, attached to a link 18 which is reciprocated by an hydraulic piston and cylinder 16, and on withdrawal of the mould from press 9, it is initially prised open by a blade 21 fixed to table 15 and part 711 is subsequently raised by operation of a rod and lever mechanism 22, 23. Rod 23 is provided with hooks 24 which catch pins 25 on mould part 711 as it is removed from press 9. The injection cylinder (4a), Fig. 4 (not shown), is provided with heating channels (4b), (4d) and a cooling channel (4c) adjacent piston (8a), and piston (8a) itself may have cooling means. The mould is heated, e.g. by steam or electrically via plates (9<SP>1</SP>), (14<SP>1</SP>), Fig. 2 (not shown).
Patent GB-1173741-A (GB)
Title: Improvements in or relating to Electrical Weighing Apparatus
IPC: G01G19/22
Filed: 1965-12-07
Abstract: 1,173,741. Measuring weight, electrically. C.D. BOADLE and R.A. ATKIN [trading as WESTERN PRECISION EQUIPMENT]. Dec. 7, 1966 [Dec. 7, 1965], No.51926/65. Heading G1N. In an automatic feed weigher e.g. for proportioning by weight the ingredients of a mixture, wherein a signal from a bonded strain gauge load cell 8 Fig. 1 is compared with a signal from a potentiometer 26, and a servomotor 24 is energized by a difference signal to drive the potentiometer until balance is obtained, means are provided to automatically uncouple an indicator (not shown) and a feed control system from the servomotor 24 drive and reset the indicator and control system 14 to zero, during taring of an empty weigh container and after weighing each ingredient. The control system 14 comprises a cam bank which successively operates trip switch units 20, each switch unit being associated with a respective feed cut-off means 54, 56, and is pre-set to cut-off a material feed from a respective hopper 2 as the correct weight of an ingredient is attained. When the balance system is balanced after weighing an empty container or after weighing an ingredient an electromagnetic clutch 36 Fig. 1, also Fig. 2 (not shown) is de-energized and a clutch 40 and reset motor 38 energized whereby the motor 38 resets the cam bank shaft and the indicator to zero. The clutches are operated by the switches 20 actuated by the cam banks, one or other being energized at any one time. The trip switches 20 used for each ingredient (detailed in Fig. 3 not shown) may also include an approach switch arranged to insert an impedance in circuit with the feed cut-off actuating means 56 so that a cutoff shutter 54 can start to close and reduce the feedrate before the desired weight of ingredient has been fed. In addition an overweight alarm trip switch may be included, set to operate at a predetermined excess weight and ring an alarm bell.