baber/WOPTO huggingface dataset:
Patent GB-1526637-A (GB)
Title: Apparatus for providing phase synchronism of a transit station in a digital telecommunication network
IPC: H04L7/033
Filed: 1977-04-21
Abstract: 1526637 Automatic phase control TELEFONAKTIEBOLAGET LM ERICSSON 21 April 1977 [27 April 1976] 16694/77 Heading H4M In an arrangement for synchronizing a local clock oscillator 1 with a weighted average of a number of received time multiplexed clock signals 4, the multiplexed signals are compared with the local clock in phase comparator 5 and the resultant error signal in each time slot is weighted by multiplying it with a factor from digital memory 7, the factor being dependent on the stability of the received clock signal in that time slot. The resulting error signals are then summed over all the time slots by means of adder 19 and register 20 and the total applied, via switch 23 and filler 22, to control the oscillator 1. At the same time as switch 23 is closed, switch 25 resets register 20 for the next comparison cycle.
Patent GB-804801-A (GB)
Title: Improvements in or relating to compandor circuits
IPC: H04B1/64
Filed: 1955-06-10
Abstract: 804,801. Automatic volume control. PHILIPS ELECTRICAL INDUSTRIES, Ltd. June 10, 1955 [June 15, 1954], No. 16746/55. Class 40 (4). In a signal contrast expansion arrangement including between its terminals a variable impedance network, the input signal level is compared with the level of a reference voltage which has been passed through a network identical with the one referred to above and which may comprise the aforementioned network to produce a difference voltage for controlling the attenuation of the network or networks. The arrangement is said to give a fixed expansion ratio of two, or in association with additional networks, any desired fixed ratio. The reference voltage applied at terminals 36, 37, Fig. 3, which has a frequency outside the working band and which passes through an amplitude controlling network 34 and amplifiers 33, 53, to produce at the output of rectifiers 55, 56 an expansion control voltage, is regulated by the impedance of a rectifier 51 which is varied according to the input signal at terminals 14, 15. The voltage across a smoothing condenser 58 varies identical networks 16 and 34 in a similar manner. The charging and discharging time constants of condenser 40 is 3 m./secs. and 30 m./secs. respectively and the time constant of the control loop comprising amplifiers 33, 53, and network 34 is chosen to be considerably less than 3 m./secs. A system in which the expandor network in the signal path is used for expansion of the signal and control of the amplitude of the reference voltage is described with reference to Fig. 4 (not shown).
Patent GB-1335153-A (GB)
Title: Method of tabletting halocyanuric acid
IPC: B30B15/00
Filed: 1972-03-12
Abstract: 1335153 Tabletting halocyanuric acid PUREX CORP Ltd 12 April 1972 [2 Sept 1971] 16760/72 Heading A5E [Also in Division B5] In a method of tabletting powder consisting of water-soluble halocyanuric acid, which method includes passing a succession of tabletting cavities relatively past a fill station, filling the cavities with powder, passing the filled cavities to a compression station, compressing the powder into a tablet conforming to the cavity configuration and removing the tablet from the cavity, the tabletting cavities are passed through a cavity surface lubricating station in advance of the fill station while there maintaining across the path of the cavities an air suspension of a lubricating agent of a density to deposit a lubricating film on to the cavity surfaces. The tablets may be used to chlorinate or sanitize swimming pool water.
Patent GB-950207-A (GB)
Title: Wound dressing
IPC: A61F13/00
Filed: 1961-05-09
Abstract: A non-stick surgical dressing is composed of or includes on the wound-contacting side polypropylene gauze which comprises polypropylene threads woven or glued together or perforated polypropylene film.
Patent GB-1329476-A (GB)
Title: Modular shelving structure
IPC: A47B57/42
Filed: 1971-05-25
Abstract: 1329476 Cabinets; furniture frames and joints R ALSTER 25 May 1971 [28 May 1970] 16797/71 Heading A4B and A4H A modular shelving structure comprises one or more modules 10, the or each module comprising top, bottom and side wall members 18, 12, 14, 16, each member having outwardly extending perpendicular side walls 40, 42 and end walls 44, 46, each side wall 40, 42 having two arrow-headed protrusions 52 separated by a strengthening and orientation nib 48 terminating in triangular abutments 50, the members 12-18 being secured together by corner clips 20-34 having arrowheaded grooves 64-70 that slideably receive the protrusions 52. The module also includes flush capping members 31 inserted in the recesses 29 defined by the walls 40-46 and retained by screws through aligned apertures 73, 75 in the module and members 31; members 31 and the module members 12-18 having apertures 77, 21 that receive plugs 25 of supports 23 for slideable shelves 27 or vertical dividers; the rear and front openings 35 being closed by a flush rear panel 37 and flush hinged front door 55, panel 37 and door 55 having plugs 53 fitting in module apertures 19; and each corner of the module is "finished" by a pair of perpendicular cap members 59, each member 59 having triangular end protrusions 52' that fit in the clip grooves 64-70 not occupied by a protrusion 52 and a traperoidal section central part, the outer face being perpendicular to and flush with the outer edge of the associated side wall 40 or 42 and the parallel inner face abutting the associated rib 48. To secure the module to a wall mountable fastener (101), Figs.5-7 or (109), Figs.8-10 (not shown), a bolt (98) is passed through apertures 96 in the clips 20-34 and an aligned aperture defined by the perpendicular edges 99 of the ribs 48, the fastener being wallmounted by legs (103) or screws (115). The module can be extended sideways and vertically by the clips 20-34 see Fig.12 (not shown) and in depth by clips of double axial length, bolts (98) then being used. The parts comprise plastics, metal or wood.
Patent GB-599561-A (GB)
Title: Improvements in domestic service tables or service hatches
IPC: A47G29/28
Filed: 1945-07-02
Abstract: 599,561. Service hatches. BEN TON, M. P. July 2, 1945, No. 16828. [Class 20(iii)] [Also in Group XIV] A rotatable table 6, mounted in a service hatch 3, 4, has a central vertical screen 5 which closes the hatch each time the table is rotated through 180 degrees. The table is braked, by a wedging action with the hatch, when the screen 5 approaches its closing positions, the table being given a slight lift to bring the top of the screen 5 into effective sealing engagement with the top 4 of the hatchway. Stops may be provided to limit the rotation of the table to 180 degrees. A sliding screen which can be dropped behind the screen 5 to prevent rotation of the table may be provided. The table may have hinged portions which fold against the screen and may be provided with one or more electric hotplates or plug sockets. Cupboards 7, 8 may be provided below the table and at the sides of the hatchway. Specification 385,097, [Group XIV], is referred to.
Patent GB-1221748-A (GB)
Title: Fabric stiffening composition and process
IPC: D06M23/06
Filed: 1969-03-31
Abstract: 1,221,748. Stiffening fabrics. S. C. JOHNSON & SON, Inc. 31 March, 1969 [15 April, 1968], No. 16852/69. Heading D1P. A fabric stiffening composition comprising an aqueous dispersion of at least one waterdispersable starch and 0.5 to 10% by weight of at least one organic solvent having high penetrating ability and being substantially immiscible with water. The organic solvents which may be emulsified in the composition may be aliphatic, aromatic or cyclo aliphatic hydrocarbons. The composition may also contain 0.1 to 5% by weight of an emulsifiable natural or synthetic wax such as oxidised polyethylene, 0.2 to 3% by weight of at least one salt of a water soluble amine, especially morpholine with a fatty acid such as stearic acid, and 0.1 to 2% of a water soluble polyalkylene glycol such as polyethylene glycol or polypropylene glycol. The composition may be selfpressurised with 3 to 10% of a liquefied normally gaseous hydrocarbon, fluorocarbon or other halocarbon propellant which is emulsified in the composition. The composition may also contain perfumes, optical brighteners, bactericides, antistatic agents, additional emulsifiers or wetting agents, corrosion inhibitors, preservatives such as chloromethoxypropyl mercuric acetate and especially ironing aids such as emulsified silicones.
Patent GB-883266-A (GB)
Title: Improvements in or relating to siloxane co-polymers
IPC: C08G77/04
Filed: 1960-05-13
Abstract: Siloxane copolymers consisting essentially of from 3 to 35% mol of diphenylsiloxane units and from 65 to 97% mol. of phenyl-methylsiloxane units, may be made by heating together the corresponding cyclic trimers or tetramers in the presence of an alkali metal silanolate or siloxanolate or other polymerization catalyst.  The copolymers may also contain up to 1 % mol. of other siloxane units, such as MePhViSiO 1/2 , Me2ViSiO 1/2 , Ph2ViSiO 1/2 , MeViSiO or PhViSiO (Me = methyl; Ph = phenyl; Vi = vinyl), and may be compounded with fillers, e.g. C black, TiO2, Fe2O3,ZnO; asbestos and glass fibres and frit; diatomaceous earth, crushed quartz and silica (fume, aerogels and precipitated) which may be surface modified with organosilyl groups, and organic peroxides, and cured to elastomers which are resistant to radiation.  Examples are given.  Specification 783,867 is referred to.
Patent GB-795510-A (GB)
Title: Improvements in or relating to arrangements for reducing or preventing the reflection of electromagnetic waves
IPC: H01Q17/00
Filed: 1955-06-13
Abstract: 795,510. Radio wave absorbers. SIEMENS & HALSKE AKT.-GES. June 13, 1955 [June 11, 1954; Aug. 30, 1954], No. 17017/55. Drawings to Specification. Class 40 (7). A screen for absorbing radio waves comprises a honeycomb arrangement of short cylindrical or frusto-conical tubes of square or circular crosssection preferably arranged with the axes of the tubes parallel to each other and parallel to the direction of the incident waves, the walls of the tubes being constructed by woven or spirally disposed filaments formed of (1) non-conducting material, e.g. nylon, covered with a thin absorptive metal layer or coated with semi-conducting material, graphite or carbon produced for example by carbonization of the surface of the filaments; (2) metal or metallized cores coated with graphite, carbon or semi-conducting material; or (3) non-metallic lossy conductive material. In order to cover a wide frequency band, tubes of differing size may be nested within each other, Figs. 3-5 (not shown), the lengths of the tubes being inversely proportional to their width and the length of the widest tube being approximately #/4 where # is the longest wavelength to be absorbed. The screen may be backed by a wall or plate of conducting or absorbing material and the front edges of the side walls of the tubes may be slotted, Figs. 6, 9 and 10 (not shown). When tubes of equal length are employed the lossy material may be arranged so that the surface resistance decreases continuously or stepwise in the direction of wave propagation. The spaces between the members of the screen may be filled with solid dielectric having the same constants as air. When frusto-conical tubes are employed, Figs. 8 and 9 (not shown), a wire-mesh cone may be disposed within each tube or the tube may be divided towards the base thereof by a wiremesh partition. The Specification also refers to a known form ray wave absorber comprising a lattice network of resistances spaced from a conductive surface.
Patent GB-860609-A (GB)
Title: Improvements in the drilling of holes by spark erosion
Inventor: HALLSWORTH RAYMOND THOMAS
IPC: B23H9/14
Filed: 1958-05-28
Abstract: 860,609. Resilient couplings. ROLLSROYCE Ltd. May 25, 1959 [May 28, 1958], No. 17019/58. Class 80 (2). [Also in Group XXII] A resilient coupling for use in a spark - erosion machine (see Group XXII), comprises a driving member 22, driven by worm gearing, which acts through spring-loaded plungers 24 on a driven member 23. Specification 846,279 is referred to
Patent GB-756613-A (GB)
Title: High pressure polymerization of alkylcyclosiloxanes
IPC: C08G77/00
Filed: 1954-06-10
Abstract: Alkylcyclosiloxanes of the formula (RR1SiO)x, wherein R is an alkyl radical and R1 is a hydrogen atom or alkyl radical, and x is an integer of 3 to 8, are converted to higher molecular weight polymers by treating them with an acid catalyst at a pressure of at least 1500 lbs. per sq. in., and preferably at 15,000 to 100,000 lbs. per sq. in.  Catalysts specified are sulphuric, chlorsulphonic, phosphoric, boric and fluorophosphoric acids, phosphorus pentoxide, antimony pentachloride, boron trifluoride and aluminium trichloride, and are used in amount, for example, of 0.01 to 10 per cent by weight of the siloxane.  The polymerization may be effected at 0 DEG  to 60 DEG  C. and under static or continuous flow conditions.  The former process may be effected (1) by charging a reactor to maximum capacity with the cyclosiloxane, sealing and applying pressure by heating the charge, the reactor being provided with an automatic back pressure valve; or (2) by charging the siloxane into an open reactor and applying pressure on the charge by means of a hydraulic press or a high pressure fluid intensifier.  The latter process is conducted in a heavy walled tube type reactor provided with heating means by maintaining positive flow through the reaction zone, pressure being applied by means of a high pressure plunger-type pump or by a hydraulic intensifier pump.  Examples are given in which cyclic diethyl trimers and tetramers and the cyclic dimethyl tetramer are polymerized.
Patent GB-351213-A (GB)
Title: Improvements in electric switch-sockets
IPC: H01R13/70
Filed: 1930-06-04
Abstract: 351,213. Combined switch and plug coupling. CRABTREE, J. A., Endwood, Little Aston Park, Sutton Coldfield. June 4, 1930, No. 17090. [Class 38 (i).] In a combined switch and plug coupling the base c has two parallel recesses a in which are mounted the switch contacts b, b<1> and two parallel recesses e, el at right-angles to and at the opposite ends of the switch recesses. The bridge carrying the switch mechanism is mounted on two projections d. The base has a flat face c<1> in which are located entrance holes c<2> for the plug-pins. The sockets f, f<1> and binding-posts h, h<1> are mounted in the recesses e, e<1>. Socket f and binding-post h are connected by a metal strip i and socket f<1> and binding-post h<1> connected respectively to the switch contacts b, b<1>. A suitable cover is provided. Specification 306,919, [Class 38 (v), Electric switches &c.], is referred to.
Patent GB-105209-A (GB)
Title: Improvements in Apparatus for Washing Warp Threads after Printing.
Inventor: ZIMMERMANN JOHN
IPC: D06B3/04
Filed: 1916-04-25
Abstract: 105,209. Zimmermann, J. April 25, 1916. Coating fabrics and other materials in long lengths.-Retates to apparatus for washing warp threads after printing, and consists in passing the threads continuously over a number of pans each provided with means for intermittently immersing the threads, and also in the use of an air blast for stripping surface-water from the threads. As shown in Fig. 2, the threads pass over pans 29, each of which is provided with paddles 36, which are oscillated on shafts 33 so that first one paddle and then the other immerses the threads in the water in the pans 29. An air blast from a pipe 40 strips the surface-water from the threads, which are then passed to a drying-chamber 41.
Patent GB-516769-A (GB)
Title: Improvements in or connected with electric lighting systems
IPC: G09F13/00
Filed: 1938-06-10
Abstract: 516,769. Fluorescent signs &c. MACKINLAY, G., (trading as MACKINLAY & CO.), MACKINLAY, J. D., and SUTHERLAND. A. S. June 10, 1938, No. 17242. Drawings to Specification. [Class 39 (i)] [Also in Group XVIII] Ultra-violet light is absorbed by a translucent panel coated with fluorescent material and placed between the source and an observer. Reference has been directed by the Comptroller to Specifications 278,165, [Class 39 (i)], 402,825, [Group XVIII], and 441,888.
Patent GB-1079275-A (GB)
Title: Water treatment compositions
Inventor: THORNHILL RAYMOND SPENCER
IPC: C23F11/08
Filed: 1965-04-23
Abstract: Corrosion of metals in contact with water having bicarbonate hardness e.g. the cooling system of an I.C. engine is inhibited by dissolving in said water at least 0.03% of KNO2 or NaNO2, at least 0.02% of NaNO3 or KNO3, at least 0.05% of an alkali metal silicate (defined), at least 0.0125% of sodium mercaptobenzothiazole or of benzotriazole, and at least 0.004% of an anti-incrusting agent which is (1) a grafted polymer derived from starch and acrylonitrile, or starch and acrylamide, or a starch ether and acrylonitrile, or a starch ether and acrylamide or from polyvinyl alcohol and acrylonitrile or from polyvinyl alcohol and acrylamide (ii) the products obtained by partially hydrolyzing said grafted polymers (iii) sodium or potassium salts of said products or (iv) sodium or potassium polyacrylates. The alkali metal silicate is defined as having the formula M2O (SiO2)n where M is an alkali metal and n is greater than 1.  Glycerol or glycols may also be added to the water as antifreeze agents.
Patent GB-685325-A (GB)
Title: Improvements relating to the manufacture of steel
IPC: C21C5/30
Filed: 1950-07-11
Abstract: In a method of manufacturing converter steel having a nitrogen content below 0.010 per cent the molten pig iron is blown with an air blast enriched with oxygen and in which the additional oxygen is supplied as the blow proceeds in such a manner that with pig iron having normal impurities the percentage of oxygen in the blast is raised by at least one additional per cent for each 1 per cent of carbon burned and the composition of blast reached at the end of the process, the addition of oxygen being partly effected by the addition of oxidic ores or scale to avoid overheating or uncooling.  When the pig iron contains more than the normal content of impurities the oxygen content of the blast is correspondingly increased.  The molten pig iron may be treated with oxygen in gaseous and/or solid form before being poured into the converter.  The process is also stated to reduce the phosphorus content to below 0.05 per cent.
Patent GB-243274-A (GB)
Title: Improvements in address labels
IPC: G09F3/02
Filed: 1925-07-07
Abstract: 243,274. Phillips, J. E., and Probert, A. July 7, 1925. Labels.-An address label has a comparatively narrow folded portion B which is perforated so that a part B<1> can be torn away without interference by fixing nails or tacks c. As shown, the folded portion is perforated to leave an intact edge d'. In the case of luggage labels, the folded portion is held in position by an eyelet.
Patent GB-463364-A (GB)
Title: Power system for combined gathering and loading machines
IPC: B65G65/00
Filed: 1936-06-24
Abstract: 463,364. Endless - - track machines; driving-gear. MAVOR & COULSON, Ltd. (Joy Manufacturing Co.) June 24, 1936, No. 17535. [Classes 79 (i) and 79 (ii)] [Also in Group XXX] Relates to a combined gathering and conveying machine, particularly for use in a coal mine for delivering the coal to a point rearward of the machine, wherein the machine is moved by endless-track mechanisms and the gathering means and the convever are driven from motor means independent of motor means for driving the endless tracks. The machine is generally similar to that described in Specification 245,543, [Class 79 (ii)], which however, employs one motor only for all the purposes. The gathering means comprise two arms 25, one on each side of the conveyer 32, which are oscillated to feed material on to the conveyer by crank pins 24 on discs 23 rotated by bevel gearing 20, 21 from motors 17 extending axially along the chassis. The bevels 21 also drive the shaft 28 of the sprocket wheel 30 of the chain 31 of the conveyer whereby the latter is driven when both or only one of the motors 17 are operated. The conveyer comprises a central chain 31 to which are attached transverse flats 32. The motors 1, 2 for driving the endless tracks are arranged transversely to' the motors 17 and house reduction gear within their casings, the final pinions 4, 8 of the gear trains meshing with the sprocket wheels 5, 9 of the endless tracks 6, 10. The motors are reversible and are controlled by levers R<1>, L<1>. When both levers are moved simultaneously forwardly or rearwardly both motors are operated and the machine advances or retreats ; when one is moved forwardly and the other rearwardly both motors are operated and the machine turns about a central pivot and when either one is moved singly in either direction so that only one motor 1 or 2 is operated, the other endless track becomes the pivot. The levers R<1>, L<1> are positioned adjacent the switch 35 which controls the motors 17 and the current to the controllers of the motors 1, 2 these controllers being contained in the casing 37 and being operated by the levers R<1>, L<1>.
Patent GB-260653-A (GB)
Title: Improvements in and relating to the manufacture of electrical insulators and other moulded articles and the like
IPC: C08L61/10
Filed: 1925-07-08
Abstract: 260,653. Brown, A. H., and Siluminite Insulator Co., Ltd. July 8, 1925. Compositions containing organic condensation products. - Electric insulators and the like are manufactured by forming an intimate mixture of a binding material, such as Portland or like cement, with or without fillers such as asbestos fibres together with under 10 per cent of incompletely condensed synthetic.resins, such as described in Specification 255,516, [Class 2 (iii), Dyes &c.], moulding without the addition of water, removing from the mould and subjecting the moulded article to a final heat treatment. Clay may be added to the moulding mixture. The synthetic resin may be liquid or solid, and in the latter case the moulding operation is a hot one. After the article has been set and hardened it may be impregnated with a liquid synthetic resin before the final heat treatment.
Patent GB-175855-A (GB)
Abstract: 175,855. Mackie, E. H. Dec. 31, 1920. Horse breaking and training harness. - In a training-device for controlling the movements of a horse's limbs, a movement-limiting cord and controlling cords, the latter operable from the rear of the horse, are attached to the horse's fore-feet. Additional shoes, consisting of diagonally-disposed metal strips 9 provided with upturned ends, 6 and riveted together to allow of adjustment to fit different sizes of hoof, are attached to the forefeet by a strap 7 or equivalent means for encircling the upper part of the hoof. One strip is stepped over the other to afford a flat foothold. The rear ends of the strips are attached by flexible connections 10 to control movement and limiting cords 2, 5 respectively, which are passed through a smooth ring or hoop 3 on the belly-band 4 as shown. The limiting cord is adjusted to the correct length when the horse is standing, so that while each foot may be moved forwardly alternately, they cannot be moved simultaneously. The controlling-cords 2 are held by the trainer in the manner of reins and are used to cause the horse to raise its feet to the desired height.