baber/WOPTO huggingface dataset:
Patent GB-1005996-A (GB)
Title: Process for the production of optically brightened polyesters of terephthalic acid
IPC: C08G63/82
Filed: 1963-11-05
Abstract: In the manufacture of poly-(glycol terephthalates) by transesterifying dimethyl terephthalate with a glycol (e.g. ethylene glycol) and polycondensing the product, optically brightened products are obtained by adding 2 : 5-dimethoxyterephthalic acid to the polyester-forming reaction mixture.
Patent GB-1106578-A (GB)
Title: Improvements in high purity vitreous silica product and process
IPC: C03B19/01
Filed: 1966-09-30
Abstract: Silica which is substantially metal-free, carbon free and water free is produced by the introduction of high purity silicon into a plasma induced by a radio frequency in a stream of argon and oxygen. Metallic silicon is deposited in the cold region and then converted to silica by oxidation.  The silica may be used as windows for absorption cells, or in coatings.
Patent GB-1049852-A (GB)
Title: Improvements in or relating to transistorised modulators
Inventor: LESZCZYNSKI JAN
IPC: H03C1/36
Filed: 1961-12-07
Abstract: 1,049,852. Amplitude modulators. PLESSEY CO. Ltd. Feb. 27, 1963 [Dec. 7, 1961], No. 43887/61. Addition to 1,003,990. Heading H3R. The modulator of Specification 1,003,990 is modified in that a transmitter class B amplitude modulator comprising transistors energized in push-pull by R.F. is used, the proportionate modulation being applied both to the common connected bases and to the collectors of the transistors, a tuned circuit between the collectors being connected to a transmitting antenna. The R.F. may be applied to the bases or the emitters.
Patent GB-1510439-A (GB)
Title: Noise reducing apparatus for track type vehicle drive sprockets and means for attaching same
IPC: B62D55/096
Filed: 1976-10-22
Abstract: 1510439 Endless track assemblies CATERPILLAR TRACTOR CO 22 Oct 1976 [22 March 1976] 43989/76 Heading B7H An endless track sprocket 18 is flanked by resilient treads 45, 46 which engage the undersides of the track 24, 25 before the track bushings 23 fully seat between the sprocket teeth thus reducing noise generation, the treads each comprising reinforced pads 52 threaded on an arcuate metal band (55) (Fig. 5, not shown) and retained by plates (58, 59) at each end of the band. The sprocket 18 is formed by arcuate segments bolted to a flange 31 on cylindrical housing 28. The treads may be secured about the housing in several ways. In one arrangement the plates have lateral extensions (61, 62) (Fig. 6, not shown) allowing adjacent end plates of different tread portions to be bolted together; in another arrangement the tread portions carry end members which overlap (Figs. 8, 9, not shown) and which are bolted to the hub. A further arrangement includes lateral extensions (114, 115) (Fig. 12, not shown) at one side of the ends of each tread portion, each extension defining a semicircular recess which with an extension of an adjacent tread portion defines a bore for receiving a bolt engageable with the housing. In yet another arrangement (Fig. 7, not shown) the outboard and inboard edges of each tread portion are inclined and members fixed to the housing having co-operating inclined surfaces secure the tread portions in position.
Patent GB-1216210-A (GB)
Title: Method and apparatus for moulding foamed plastics containers
Inventor: DAY CECIL HAROLD ROYCE
IPC: B29C49/00
Filed: 1968-09-17
Abstract: 1,216,210. Blow-moulding foamed plastics. C. H. R. DAY. 17 Sept., 1968 [30 Oct., 1967], No. 44019/68. Heading B5A. Containers are formed from foamable material, e.g. polystyrene by forming a tubular parison in a first mould by expanding the material and completing the formation in a second mould. Suitable apparatus, Fig. 1, comprises mould assembly 50 comprising separable blow-mould surfaces 56, a central closed-end core 66 and an intermediate surface 64 abutting the ends of blow-mould surfaces 56 and reciprocable into and out of the mould by arm 34 and ram 42. In the position of Fig. 1, foamable material is introduced into the chamber between surfaces 64, 66 where it is foamed by steam passed through ports 98, 100 and vents 102, 103 in mould surfaces 54, 64 respectively and also through tube 88 and vents 105 in mould surface 66. After cooling, wall 62 is withdrawn and the article is blown by air from tube 88, and vacuum applied by means of ports 98, 100. Cooling fluid may then be applied through ports 98, 100 or a cooling coil may be used. After opening the mould and lowering the core by means of pivot point 81, the article may be removed from core surface 66.
Patent GB-1185548-A (GB)
Title: Improvements relating to Stitch-marking
Inventor: HUNT RAYMOND
IPC: A43D11/00
Filed: 1967-09-27
Abstract: 1,185,548. Press knives. SOMERVELL BROS. Ltd. 27 Sept., 1968 [27 Sept., 1967], No. 44028/67. Heading B4B. [Also in Division D1] A method of stitch-marking a component of a footwear upper comprises indenting soft sheet material from which the component is made along a required stitch line at the same time as the material is cut by means of a press cutter 1 to the predetermined shape of the component. The press knife is provided with cutting edges 1a 1b and with pegs 3 into which is socured a nylon strip 2. The strip is formed with slots (2b, Fig. 2) so that the remaining edge surface portions effect the indenting of the material; the nylon strip is reinforced internally with a metal stiffener. A further nylon indenting strip 5 may also be secured to the press knife.
Patent GB-1285073-A (GB)
Title: Aerosol anti-perspirant
IPC: C11D1/00
Filed: 1969-09-05
Abstract: 1285073 Aerosol anti-perspirants CPC INTERNATIONAL Inc 5 Sept 1969 [6 Sept 1968] 44160/69 Heading A5B [Also in Division C4] Aerosol anti-perspirant compositions comprise an aluminium chlorhydroxide propylene glycol complex and a predominantly hydrocarbon propellant system containing at least 50% by weight of hydrocarbon. The propellant system may comprise a hydrocarbon such as propane, n-butane or isobutane and a fluorocarbon such as dichlorodifluoromethane. The compositions may also contain ethyl alcohol, a humectant (e.g. hexadecyl alcohol, isopropyl myristate, isopropyl palmitate, di-isopropyl adipate and cetylstearyl adipate), a slicking agent (e.g. an organo-silicone copolymer), an antigelling agent, a corrosion inhibitor (e.g. an organo-phosphite), a perfume and/or a bacteriostat.
Patent GB-1116369-A (GB)
Title: Improvements in or relating to an optical maser device of the internal modulation type for pulse signal transmission
IPC: H01S3/107
Filed: 1966-10-04
Abstract: 1,116,369. Lasers. NIPPON ELECTRIC CO. Ltd. 4 Oct., 1966 [13 Oct., 1965], No. 44305/66. Heading H1C. An optical pulse code modulation source comprises a gas laser modulator identical to the mode-locked arrangement shown in Fig. 2, of Specification 1,116,368, a train of optical output pulses being obtained by arranging the additional modulating or timing signal which produces the mode or phase looking to have a frequency as near as possible to the frequency spacing C/2L between adjacent modes, fine adjustment being possible by altering the resonator length L. The optical output pulses produced, Fig. 2b, have a frequency substantially corresponding to an integral multiple of the mode spacing C/2L, and by applying the modulating signal proper in a controlled on-off manner in synchronism with the output pulses a pulse code modulated output is produced. Fig. 1, shows the gas laser modulator with the modulator element 20 connected to a modulation signal circuit 30, the circuit comprising a timing signal generator 31 of repetition frequency f p  = C/2L. After amplification at 35, the timing signal is applied to the modulator element which is biased by a D.C. source 37. The signals to be transmitted are applied to terminal 32 of an encoder 33, a timing signal from generator 31 causing a pulse code modulated signal to be produced which is passed to a control pulse generator 34. A pulse transmitted by this generator augments the D.C. bias and prevents an optical output pulse from being produced in this timing period. On the other hand the absence of a control pulse, which can denote either binary " 1 " or " 0 ", permits the voltage applied to the modulator element to reduce sufficiently for an optical output pulse to be emitted along path 41.
Patent GB-966158-A (GB)
Title: Improvements in or relating to pipe-lines
Inventor: WRIGHT CHARLES STEPHEN
IPC: F16L3/00
Filed: 1962-11-24
Abstract: 966,158. Supporting pipes. WRIGHT RAIN Ltd. May 31, 1963 [Nov. 24, 1962], No. 44541/62. Heading F2P. A pipe end 5 for connection to a supply pipe 6 is permanently attached to a supporting stand which abuts the supply pipe and comprises members 2, 3 extending laterally of the plane containing the axes of both of the limbs of the pipe bend. In the construction shown, the stand further includes a member 4 welded or similarly secured to the members 2, 3, the member 4 being provided with an upwardly directed bend to which the longitudinal limb of the pipe bend is secured as by welding. The upright limb of the bend 5 is connected by tubular bracing members 8 to the member 3. Both ends of member 3 are bent to form the outer sides of the stand, the two ends being joined by an inverted U-shaped member 11. The member 11 co-operates with the supply pipe 6. The coupling between the supply pipe 6 and the bend 5 is of the kind described in Specification 732,553. A pipe or sprinkler for irrigation purposes is attached to the upright limb of the bend 5 by co-operating screwthreads.
Patent GB-995093-A (GB)
Title: Improvements in or relating to surge arresters
Inventor: SCHOLZ HERBERT
IPC: H01T1/14
Filed: 1961-12-13
Abstract: 995,093. Surge arresters. TRANSFORMATORENWERK KARL LIEBKNECHT VEB. Dec. 13, 1961, No. 44644/61. Heading H2H. The circuit through a surge arrester, comprising one or more spark gaps 2 and voltage-dependent resistive discs 3, is completed by a contact cover 5 and a conductive band 7, the cover 5 being held in contact with an end disc 3 by the attraction of a permanent magnet 4 attached thereto and having a negative temperature coefficient of field strength. If the disc 3 heats up due to excess current, the magnet 4 also becomes heated and its field strength is reduced sufficiently to allow a tension spring 6 to pull the cover 5 from the disc 3 and so break the arrester circuit. The housing 1 may be transparent so that the dropping of the cover 5 gives a visual indication of arrester operation. The magnet 4 may comprise an oxide-ceramic material and may be stuck to the disc 3, after which the combination may be metallized. Alternatively, the magnet 4 may be magnetically held in engagement with a plate of magnetic material secured to the disc 3.
Patent GB-1309350-A (GB)
Title: Labyrinth sealing devices for drilling turbines and to drilling  turbines fitted therewith
IPC: F16J15/34
Filed: 1971-09-24
Abstract: 1309350 Shaft seals SOC GENERALE DE CONSTRUCTIONS ELECTRIQUES ET MECHANIQUES (ALSTHOM) 24 Sept 1971 [13 Oct 1970] 44686/71 Heading F2B [Also in Divisions E1 and F1] A labyrinth sealing device for ensuring a fixed amount of leakage of drilling mud from a space 6 to lubricate the bearing 3 in a drilling turbine comprises annular discs 10, Fig. 1, which are either free to rotate about, or keyed to rotate with, the turbine shaft 2 and are pressed axially against the associated faces of labyrinth rings 9 by the pressure of the drilling mud, communieating passages being provided in the annular discs or labyrinth rings to provide the leakage. The main flow of drilling mud passes from the space 6 through orifices 7 into the bore 8 of the shaft to the drilling bit. Each annular disc 10 may consist of a metallic ring 11, Fig. 2, surrounded by an elastomer 12 and arranged to be a clearance fit on the turbine shaft 2, the leakage past the end face of the disc being controlled by radial grooves 13 on the downstream side of the disc. In Fig. 6 (not shown); each disc is made of an elastomer reinforced with canvas (17) on the upstream side, the downstream side being provided with radial grooves (13). In Fig. 7 (not shown), each disc (23) is made of steel and presses against a labyrinth ring formed in two parts, a distance piece (20) and a ring (19) covered on its upstream face by an elastomer (21) in which radial grooves (22) are formed. Fig. 8 shows discs 24, 26 of brass pressed against labyrinth rings 9 of steel, the leakage past the discs being controlled either by axial orifices 16 or grooves 25.
Patent GB-1243124-A (GB)
Title: Apparatus and process for slag deposit removal
IPC: F28G3/16
Filed: 1969-09-11
Abstract: 1,243,124. Removing slag. FOSTER WHEELER CORP. 11 Sept., 1969 [11 Sept., 1968], No. 44895/69. Heading F4B. Slag is removed from the heat transfer surfaces in the combustion chamber of a steam generator by spraying water under pressure against the heat transfer surfaces. Nozzles 42 are arranged over three quarters of the height of the combustion chamber suction 14 of the surface, and are movable into and out of the furnace. Water under pressure is delivered to the nozzles at intervals determined in accordance with the slag build up, and the nozzles rotate to give a circular or spiral pattern of water spray directed towards the furnace wall.
Patent GB-1165079-A (GB)
Title: Apparatus for Feeding Compacts onto an Annular Conveying Surface
Inventor: GLASER PAUL WILLIAM
IPC: F27B21/00
Filed: 1967-10-04
Abstract: 1,165,079. Charging rotary hearth furnaces. MIDLAND-ROSS CORP. 4 Oct., 1967 [21 Oct., 1966], No. 45312/67. Heading F4B. Apparatus for feeding arc pellets evenly on to the hearth 12 of a rotary hearth furnace comprises a hopper 14 receiving dried pellets 20 from a pipe 16 and formed with a shoot 28 leading forwardly to a rotary preheated drum 22 spaced closely from said hearth and disposed upstream of a vertically adjustable rotary drum 32 with levelling blades 34. The compartments 27 of the drum 22 extend longitudinally thereof to increase in depth from the inner edge of the hearth to the outer edge to compensate for the difference in arcuate length of these edges and consequently the adjacent surface areas. This is ensured by tapering a cylindrical member 24 downwardly towards said outer edge and making the blades 26 defining the compartments of constant radius along their length. The drum 22 is rotated in an anticlockwise direction, picking up the pellets as they lie freely on the shoot 28.
Patent GB-1202736-A (GB)
Title: Herbicidal and fungicidal preparations
IPC: C07C335/32
Filed: 1967-10-05
Abstract: 1,202,736. Substituted isothioureas. CIBA Ltd. 5 Oct., 1967 [5 Oct.. 1966; 3 Feb., 1967], No. 45489/67. Heading C2C. [Also in Division A5] The invention relates to isothioureas of the general formula in which R 1  represents a hydroxy group, a lower alkyl group that may be halogenated, a lower alkoxy group, a lower alkylthio group, a nitro group or a phenoxy group that may be halogenated, R 2  represents a hydrogen or halogen atom, a lower alkyl group which may be halogenated, a lower alkoxy or a phenoxy group which may be halogenated or R 1  and R 2  each represents a hydrogen atom or each represents a halogen atom, n is an integer 1-4 and R 3  represents an aliphatic radical that may be substituted or an aralkyl radical R 4  represents a lower alkyl radical or alkoxy radical and R 5  represents a lower alkyl radical, and in which R 4  and R 5 , together with the nitrogen atom, may form a three-membered to sevenmembered heterocycle, in which case R 1  may represent a halogen atom if R 2  represents a hydrogen atom. The compounds may be obtained by (a) reacting an N-aryl-N<SP>1</SP>, N<SP>1</SP>-disubstituted thiourea with an alkylating or aralkylating agent, or (b) reacting an N-aryl-N<SP>1</SP>N<SP>1</SP>-disubstituted C-halogen-formamidine with an aliphatic mercaptan or an aralkylmercaptan or a mercaptide thereof, or (c) reacting an isocyanide dihalide of the formula with an amine HNR 4 R 5  and a mercaptan of the formula R 3 SH in any desired sequence and in the presence of an acid binding agent if desired. In an example 3, 4 - dichlorophenylisothiocyanate and dimethylamine are reacted to produce the corresponding N-aryl-N<SP>1</SP>,-N<SP>1</SP> disubstituted isothiourea and then dimethyl sulphate added to produce N-3,4-dichlorophenyl- S,N<SP>1</SP>,N<SP>1</SP>-trimethyl isothiourea.
Patent GB-1159678-A (GB)
Title: Alkaline Batteries.
Inventor: HARTOP STEPHEN BEN
IPC: H01M10/04
Filed: 1965-10-27
Abstract: 1,159,678. Battery with separators having edges trapped in the casing. JOSEPH LUCAS (INDUSTRIES) Ltd. 18 Oct., 1966 [27 Oct., 1965], No. 45597/65. Heading H1B. An alkaline battery comprises a plurality of parts defining the cells of the battery and an assembly of plates and separators within each cell, the separators being sheets of insulating material the edges of which are trapped between the parts defining the cell except at the point where electrolyte is introduced into the cell. In a preferred form the parts defining the cells are identical, except for those defining the outermost parts of the end cells, and provide a battery of circular cross-section. Fig. 1 shows an embodiment of the invention wherein the cell contains an array of battery plates 15 and separators 16 (seen in section), the edges of the separators being trapped between outer and inner flanges of the cell-defining units 11 (see lower edge); each part 11 is formed with a pair of ports 18 which communicate with adjacent cells and by means of which electrolyte is distributed.
Patent GB-1291353-A (GB)
Title: Improvements in or relating to apparatus incorporating high-vacuum pumping systems
IPC: F04D19/04
Filed: 1970-09-25
Abstract: 1291353 Electron microscopes SIEMENS AG 25 Sept 1970 [30 Sept 1969] 45759/70 Heading H1D [Also in Division F1] A high-vacuum pumping system employs high-vacuum and backing pumps for evacuation of high-vacuum chambers and other compartments in apparatus such as an electron microscope as shown in Fig. 1. The system includes a molecular pump having a main section 13 for evacuating the column 1 of the electron microscope, and an auxiliary section 20 for evacuating an airlock compartment 3 for the introduction of specimens and a compartment 6 of an exsiccator for photographic material. The two sections 13, 20 employ a common shaft which passes through a vacuumtight partition 21. Both compartments 3, 6 have air-supply valves 10, 11. The discharge conduits 22, 23 of the main and auxiliary sections 13, 20 are connected through valves (36, 37), Fig. 2 (not shown), to a high-vacuum stage (30) and a rough-vacuum stage (31) respectively of a backing pump, the discharge of the highvacuum stage being in permanent connection with the inlet of the rough-vacuum stage.
Patent GB-1031536-A (GB)
Title: Improvements in or relating to azo dyestuffs
IPC: C09B62/51
Filed: 1962-12-06
Abstract: The invention comprises azo dyes of the general formula <FORM:1031536/C4-C5/1> where Y is H or SO3M, R is H, an alkyl or alkoxy group having 1 or 2 carbon atoms, X is H or halogen and M is H or a metal, ammonium of amine cation.  Such dyes are prepared by appropriate diazotization and coupling procedures followed by sulphation if necessary. The dyes are suitable for dyeing synthetic polyamide fibres, e.g. of nylon and fibres of natural and regenerated protein.  An example is furnished.
Patent GB-1031390-A (GB)
Title: Waistbands for garments
IPC: A41F9/02
Filed: 1964-11-13
Abstract: 1,031,390. Garment waist-bands. F. GABLER and F. GABLER JNR. [trading as FRANZ GABLER AN OFFENE HANDELSGESELLSCHAFT and "EXI" MODELLBEKLEIDUNG A.G.]. Nov. 13, 1964 [Nov. 22, 1963], No. 46276/64. Heading A3V. An elastic waistband comprises an upper section 3a extensible only longitudinally and a lower portion 3b extensible both transversely and longitudinally. The section 3b underlies the garment and is secured to it along the zone 4 where sections 3a and 3b are joined optionally at ends 5 and continuously or at spaced points along its lower edge. Lengths 3, 3<SP>1</SP> of the waistband are secured to garment parts 1 and 2 respectively before those parts are secured together by an extensible seam 6. Sections 3a and 3b may be woven, knitted or braided integrally or separate sections joined by sewing or adhesive. The sections may be secured together after the section 3b has been secured to the garment.
Patent GB-1203265-A (GB)
Title: Golf simulation apparatus
Inventor: RUSSELL J A
IPC: G03B21/26
Filed: 1967-10-19
Abstract: 1,203,265. Golf game simulation. BRUNSWICK CORP. 19 Oct., 1967 [24 Oct., 1966 (3)], No. 46383/69. Divided out of 1,203,264. Heading G4G. The disclosure is similar to that of Specification 1,203,264 but the Claims relate to a golf simulation apparatus for use in playing a simulated golf game or practising golf shots computing the trajectory signals of the motion of a driven ball along a hypothetical trajectory, the computer incorporating bounce simulating means modifying the trajectory signals to increase and subsequently decrease the height of travel of the ball above the ground so as to simulate and visually display the effect of bounce on the motion of the ball.
Patent GB-1308267-A (GB)
Title: Key
IPC: B65D35/32
Filed: 1971-10-06
Abstract: 1308267 Tube winding keys and holders H HAUSMANN 6 Oct 1971 [6 Oct 1970] 46538/71 Heading B8D A tube winding key 1 comprises a radiallyresilient tubular shaft having a longitudinal tube end-receiving closed slit 3, which is provided with an enlarged open region 5 at one end 6, and a bore, which tapers at said end towards a handgrip 2 to provide a gradual thickening of the shaft wall. A notch 7 is formed in the thickened wall opposite the slit to permit use of the full length of the slit. The key may be made in one piece of plastics or metal or may comprise a metal shaft and a plastics handgrip. In a modification, the handgrip is formed by a fluted shaft extension. The key may be used in conjunction with a plastics or metallic spring clip holder 10 to prevent unwinding of collapsed plastics tubes, Figs. 5 and 6 (not shown). The wall thickness of the shaft is of the order of 0À5 to 1À5 mm.