baber/WOPTO huggingface dataset:
Patent GB-1230635-A (GB)
IPC: B22C13/12
Filed: 1968-05-25
Abstract: 1,230,635. Core-making machines; core boxes. METALS & EQUIPMENT (WOLVERHAMPTON) Ltd. 19 May, 1969 [25 May, 1968], No. 25106/69. Heading B3F. A core-making machine has a multicavitied heated core-box having a centre part 13 and two co-operating outer parts 14, 15. A heat curable moulding material is blown into the core-box from a head 99. At each side of the sand blowing station is a core-box preparation and core ex<SP>-</SP> traction station to which the centre part of the core-box 13 is movable. Two core-box centre parts are employed so that while one is being prepared the other is under the sand-blowing head. The centre core-box part 13 has cavities (40) into which mandrels 80 (Fig. 3) are inserted at the core-box preparation station. The mandrels are screwed to a plate 81 which is held on to the bottom plate 91 of the part 13 by permanent magnets 93. At the core-box preparation station the mandrels can be removed from the part 13 by a fluid motor 95 (Fig. 1) having a ram with a C-piece 96 which engages a T-piece 94 attached to the plate 81.
Patent GB-1232372-A (GB)
IPC: G01R27/16
Filed: 1969-01-14
Abstract: 1,232,372. Impedance measurement. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. Jan.14, 1969, [Jan.18, 1968 and Jan.19, 1968], No. 2218/69. Heading G1U. The impedence of a coaxial transmission line 2 is measured by connecting it between separate sections of a coaxial line 1 having known characteristics to form a composite line whose inner conductor is open circuited at one end, continuously charging the composite line from a source 7 through a high resistance 5 connected to the other end of the inner conductor, so that the charge distribution therealong corresponds to impedance variation, and periodically discharging the line through a large capacity high speed mercury switch 8 into a load resistor 9 matched to the characteristic impedance of the line 1. The voltage waveform across the load resistor is displayed on an oscilloscope 10. The type and variation of the waveform represents the effective impedance and its variation along the composite line. A comparison line 3, 4 may be charged from the source 7 and alternately switched to the output arrangements by the switch 8 so as to provide a reference trace on the oscilloscope. If the impedance of the coaxial line 2 is greater than the characteristic impedance of the line 1, the waveform will dip by an amount related to the difference, at a position corresponding to that of the line 2, in the line 1. If the impedance is less, then the waveform rises by this amount.
Patent GB-1232753-A (GB)
IPC: D06M13/425
Filed: 1969-07-21
Abstract: 1,232,753. N,N - Bis - halogenomelhylcarbamic acid esters. FARBWERKE HOECHST A.G. 21 July, 1969 [19 July, 1968], No. 36586/69. Heading C2C. Novel N,N-bis-halogenomethylcarbamic acid esters of the general formula (XCH 2 ) 2 NCOOR, wherein X is a halogen atom and R is an aliphatic or cycloaliphatic radical, are prepared by reaction of 1 mol. of a urethane of the general formula H 2 NCOOR with at least 2 mols. of formaldehyde or a substance capable of yielding formaldehyde and at least a stoichiometrical amount of a halogenating agent, at a temperature within the range of from - 10 to 150 C.
Patent GB-1233837-A (GB)
IPC: C08F283/06
Filed: 1969-08-29
Abstract: 1,233,837. Ethylene-vinyl acetate interpolymers. GENERAL TIRE & RUBBER CO. 29 Aug., 1969, No. 43222/69. Heading C3P. Ethylene-vinyl acetate interpolymers of high molecular weight and improved tensile strength are produced by (a) polymerizing a monomer mixture of ethylene and vinyl acetate as a disperse phase in an aqueous medium wherein at least one of the components ethylene or vinyl acetate is introduced into the aqueous medium progressively as the polymerization proceeds, and (b) including as a component of the monomer mixture a minor amount, preferably between 1 and 5 parts by weight per 100 parts of ethylene and vinyl acetate of a water-soluble polyoxyethylene compound by progressive addition as the polymerization proceeds, the polyoxyethylene compound having from 2 to 8 terminal -OR groups, wherein R is hydrogen, C 1  to C 10  alkyl or C 6  to C 18  aryl, and from 15 to 100 oxyethylene units. The monomer mixture may contain additionally 0À1-10 parts by weight, for each 100 parts of monomer mixture, of a low molecular weight copolymerizable monomer (other than ethylene and vinyl acetate) having one ethylenic double bond. The interpolymers possess a gel content of at least 25% and an inherent viscosity of at least 1À0 when measured as a 1 % solution in methyl ethyl ketone. Polyoxyethylene compounds particularly mentioned are polyethylene glycol, and the methyl ether or nonyl phenyl ether of polyethylene glycol. Copolymerizable monomer: acrylic acid (preferred) and vinyl chloride, methyl acrylate, ethyl methacrylate, vinylidine chloride, vinyl fluoride, fumaric acid, methacrylic acid, chloroacrylic acid, hydroxyethyl acrylate, hydroxyethyl methacrylate, sodium vinyl sulphonate, 2-sulpho ethyl methacrylate, itaconic acid, monoethyl maleate, monoethyl fumarate, dibutyl maleate, acrylonitrile, methacrylonitrile and acrylamide. According to an example, a pressure-tight vessel was charged with (1) an aqueous solution prepared from ammonium persulphate, sodium acetate, hydroxyethyl cellulose and sodium dimethylamyl sulphosuccinate, (2) vinyl acetate and (3) an aqueous solution of iron sulphate, Rochelle salt and sodium formaldehyde sulphoxylate. The vessel was then charged with ethylene at the rate required to achieve and maintain an internal pressure of 150 p.s.i.g. Incremental additions of the following were made as polymerization proceeded: (1) a mixture of vinyl acetate, acrylic acid and the nonyl phenyl ether of polyethylene glycol, containing 20 polyoxyethylene units, (2) an aqueous solution of sodium carbonate and sodium formaldehyde sulphoxylate, and (3) an aqueous solution of ammonium persulphate. Polymerization was halted by the addition of ammonia, urea and sodium phosphate in aqueous solution. The resulting interpolymer contained 83À5% vinyl acetate units, 1À28% acrylic acid units and 15À12% ethylene and glycol ether units.
Patent GB-1250881-A (GB)
IPC: G11B23/06
Filed: 1967-09-12
Abstract: 1,250,881. Cassettes. AUDIO CASSETTE ELECTRICAL SYSTEMS Ltd. 6 Sept., 1968 [12 Sept., 1967], No. 41637/67. Heading G5R. [Also in Division G2] A cassette includes a stationary hub 15 around which an endless film, tape or wire is wound and which has a cavity 30 to twist and guide the tape over the hub from the innermost convolution. Magnetic tape is pulled from a P.T.F.E.-coated or solid hub by a capstan 39 and pressure roller 20 or pad fixed to a resilient arm 21 and normally pressing the tape against a surface 30 to prevent spillage. Similarly, a polyurethane pad 24 presses the tape against an inside wall when not co-operating with the head 28. The hub may have tapering flanges (Fig. 5, not shown) and two or more hubs carrying respective rolls of tape &c. may be provided in a single cassette. The cassette interior has ribs and may be P.T.F.E. coated, and the casing halves are held together by mating spigots and sockets 12 while spigots and sockets on the exterior permit stacking. In the case of films, the marginal edges are thicker to prevent scratching.
Patent GB-1251493-A (GB)
IPC: B29C53/04
Filed: 1969-01-30
Abstract: 1,251,493. Insect screens. F. BERRY. 30 Jan., 1969, No. 7859/71. Divided out of 1,251,492. Heading E1J. [Also in in Divisions B6, D1 and E1] Sheet material, e.g. plastic threads for an insect screen 1 for a pivotable window is creased to form concertina folds by passing the sheet material through interengaging toothed rollers so that the centre portion between the edges 5 and 6, Fig. 1 has the ridges and valleys running parallel to the said edges and in the side pieces 4 the ridges and valleys are reversed by notches in the press 9 in position on the bed 8 cooperating with the modulations of the block 11, and chamferred edges 17, 18 when the block 11 is raised perpendicularly to the bed 8 to crease the sheet at right angles to the ridges and valleys.  (For Figures see next column)
Patent GB-1252519-A (GB)
IPC: G21C19/04
Filed: 1969-10-07
Abstract: 1,252,519. Reactors. BRITISH NUCLEAR DESIGN & CONSTRUCTION Ltd. 6 Oct., 1970 [7 Oct., 1969], No. 49249/69. Heading G6C. In a gas cooled reactor, radial oscillations of the fuel elements, during on-load insertion or withdrawal through the guide tube between the fuel channel and the standpipe, are reduced by baffles mounted across the coolant ports in the guide tube. Fuel elements are moved between the guide tube 10 and the standpipe 4 in the concrete pressure vessel 6, coolant gas flows from 10 through the ports 14 and the webs 18 function as baffles to reduce the radial velocity of impact between the element at 10. In an alternative form a perforated shroud may surround the ports 14.
Patent GB-1253168-A (GB)
IPC: G02F1/05
Filed: 1969-07-22
Abstract: 1,253,168. Modulating light. INTERNATIONAL BUSINESS MACHINES CORP. 22 July, 1969 [7 Aug., 1968], No. 36770/69. Heading H4F. [Also in Division G4] An optical switch which may be used as a memory element comprises means for applying an electric field across a crystal of Gd 2  (MoO 4 ) 3 , parallel to its c-axis, the crystal being ferroelectric and showing reversible birefringence, i.e. it will remain in one of two birefringent states depending on the polarity of the last applied electric field above a threshold (switching) value, the two states being related in that the fast and slow axes are interchanged. In one embodiment the crystal is provided with transparent silver electrodes and forms a quarterwave plate so that linearly polarized input light emerges as circularly polarized, of a hand dependent on the state of the crystal. A further quarter-wave plate and an analyser will then block or pass the emergent light to a detector. An X-Y addressable array of such cells is also described and shown, and the subsequent quarter-wave plate and analyser may be formed as a unitary film over the array. In a second embodiment, one electrode is reflective, e.g. silver or copper, and the other is in the form of strips or is transparent, so that linearly polarized laser light directed by a beam splitter through the crystal is reflected back through the splitter with left or right circular polarization. An electron gun charges the reflective electrode either negatively, with a low voltage beam, or positively, by secondary emission, using a higher energy beam, and so switches the crystal. Light from the beam splitter is again passed through a quarter-wave plate and analyser. An array of such memory cells may be operated by a single electron beam and the analysed light passed to the photo-conductive layer of an electron beam scanning tube.
Patent GB-1257474-A (GB)
IPC: C10M111/04
Filed: 1968-11-01
Abstract: 1,257,474. Traction fluid. SUN OIL CO. 1 Nov., 1968 [1 Nov., 1967 (4)], No. 33305/71. Divided out of 1,257,472. Headings C4X, C5E and C5F. A hydrocarbon base stock comprising a blend of (1) 10-90 wt. per cent of at least one branched paraffin oil having an NMR spectrum showing a large peak at 8À58 tau and no more than a minor peak at 8À84-8À85 tau; and (2) 90-10 wt. per cent of at least one branched paraffin oil having an NMR spectrum showing a large NMR peak at 8À84-8À85 tau, and no more than a minor peak at 8À58 tau. Optional components are (3) 5-75 wt. per cent of a C 13 -C 40  naphthene, (4) 0À1-20 parts of at least one liquid polymer of C 3 -C 8  olefins; and (5) at least 5% of a perhydrogenated oligomer of styrene, α- or #-methyl styrene or a mono- or dimethyl derivative thereof. The blend is used as a tractant in a power transmission system containing a tractive drive. Suitable additives for the tractant are high M.W. polyisobutylene, fluorinated polyolefins, an alkylene glycol-pentaborate salt, super-based Ba dithiophosphoric acid, Ca alkyl phenates and Ca salts of mahogany acids.
Patent GB-1265399-A (GB)
IPC: B26D7/24
Filed: 1969-10-09
Abstract: 1,265,399. Cutting apparatus. CINCINNATI MILLING MACHINE CO. 9 Oct., 1969 [16 Oct., 1968], No. 49731/69. Heading B4B. [Also in Division G1] A cutting machine is stopped when breakage of the reciprocating cutting blade is detected by an inductive sensor which generates signal pulses due to the passage of the blade.  As shown, material 12 conveyed by bands 10, 11 and cut by a reciprocating tool 14 moving in a guide 21 rotatable by support blocks 22, 24, as described in Specification 1,228,543. A sensorcoil 30 is arranged so that the lower end of the tool moves in and out of it.  Detector circuit.-The coil 30 is connected in the tank circuit of a transistor oscillator 72 which produces an amplitude-modulated signal due to the passage of the tool, which signal is demodulated; amplified at 75; rectified, and applied as conductive bias to transistor 78 to shunt and release relay 53. Absence of modulation by the tool removes bias from transistor 78 which cuts off and relay 53 picks up to stop the machine. The-stop relay (56), Fig. 5 (not shown), may be energized by the contacts (55) of relay 53 only when the tool is in its lowest position to close contacts (57) whereby the machine is not stopped when the tool is lifted clear of the work.
Patent GB-1265416-A (GB)
IPC: H03K5/05
Filed: 1969-05-15
Abstract: 1,265,416. Pulse modulation circuits; transistor amplifying circuits. WESTINGHOUSE ELECTRIC CORP. 15 May, 1969 [27 May, 1968], No. 24755/69. Headings H3T and H4L. In a pulse width modulated amplifier of the type disclosed in Specification 1,253,670, a triangular waveform D, Fig. 2, is generated at M, Fig. 1, a clamping circuit C1, D1 permitting only negative excursions to produce reference signal C and clamping circuit C2, D2 allowing only positive excursions to produce reference signal E. With no input signal from source S, the combination of signal C and a fixed bias B + produces signal B at the base of normally non- conducting transistor Q1 and causes it to conduct when wave B goes positive to discharge a capacitor C3 which was charged when the transistor was non-conducting. The resulting pulse via transformer T1 turns on a transistor Q3 to produce pulses A in the load Z, which may be a loud-speaker. Similarly, the combination of signal E and a fixed bias B-produces signal F causing transistor Q2 to conduct, C4 to discharge and Q4 to conduct and produce pulses G in the load Z, the resultant output being shown as H. Diodes D5, D6 protect the transistors Q3, Q4 from excessive reverse voltages and diodes D7, D8 protect the transistors from voltage transients. With an input signal S1, Fig. 3, applied from source S, for the positive portion of signal S1 pulses A from the positive channel appear in the load Z, but there is no output from the negative channel and for the negative portion of the input signal there is no output from the positive channel and pulses G are supplied by the negative channel. The resultant output signal is H in which both the leading and trailing edges of the pulses are modulated.
Patent GB-1265996-A (GB)
IPC: E01D19/04
Filed: 1969-02-24
Abstract: 1,265,996. Elastomeric mountings; bearings. DR. K. P. MULLENSIEFEN K.G. 24 Feb., 1969 [23 Feb., 1968], No. 9697/69. Headings F2A and F2S. A support for a structural member 2 comprises a cushion 3 of a substantially incompressible vulcanized or polymerized elastomer constricted within and by a resilient and flexible supporting jacket 4 made of material of high tensile strength. The material may be steel, or plastics, such as 96% low pressure polymers. The jacket may be formed from pre-stressed strips, and may have two closable apertures for introduction of the cushion material. The support is placed on a sliding bearing 5 comprising plastics and/or metal sheets coated with plastics particles of the molecular order of magnitude. The assembly may be enclosed in a butyl rubber jacket (Fig. 2, not shown). The assembly may be disposed in a convex or concave seat.
Patent GB-1297921-A (GB)
IPC: B60B1/04
Filed: 1969-02-07
Abstract: 1297921 Spoked wheels G SINGLETON 6 Feb 1970 [7 Feb 1969] 6631/69 Heading B7C A vehicle wheel comprises rim with an integrally formed tyre-receiving portion 30, a hub 46 and spokes 36 each having a head 38 at one end and being screw-threaded at the other, the headed end engaging a radially inwardly directed flange portion 32 on the rim and the threaded end being attached to the hub by a screw-threaded spoke-nipple 40. The flange portion 32 is formed integrally with the tyrereceiving portion 30 and has circumferentially spaced apertures 34 which receive the spokes 36 with their heads 38 abutting the flange. The hub 46 has two rims 44 which extend in a direction up to 30 degrees to the wheel axle with a staggered row of apertures 42 for receiving the nipples with the nipple heads (48) against the hub rims. The head end of the nipples has a square or hexagonal bore (50) to accommodate a spanner for tensioning the spokes. The wheel is suitable for a tubeless tyre.
Patent GB-1310116-A (GB)
Title: Deep-sea trawling chain connector
IPC: A01K75/00
Filed: 1970-01-14
Abstract: 1310116 Chain connectors PARSONS CHAIN CO Ltd 8 Jan 1971 [14 Jan 1970] 1820/70 Heading F2Q A chain connector comprises a plate having slots 1, 1<SP>1</SP> in oppositely extending limbs 10 to receive the end link of each chain which is held in position by pins 8 passing through oval holes 3 and in turn held in position by fixing pins engaging in co-operating grooves 5, 6 in the pin and hole respectively. A lug 2 from a third limb 11 with a hole 7 for securing a lifting shackle is provided which also acts as a stop for the bobbins on the running gear when the connector is used between the lengths of ground chains during trawling.
Patent GB-1316416-A (GB)
Title: Treatment of keratinous fibres and fabrics
IPC: D06M13/248
Filed: 1969-09-02
Abstract: 1316416 Treating keratinous fibres CIBAGEIGY (UK) Ltd 19 Aug 1970 [2 Sept 1969] 43478/69 Heading D1P A process for modifying keratinous material, which comprises treating the material with a polythiol ester of formula wherein  R represents a radical containing #3 C atoms (other than a radical of a polyhydric alcohol having #2 oxyalkylene chains attached thereto with the radicals in square brackets attached to the said oxyalkylene chains) R<SP>1</SP> represents an alkylene group containing #2 and #6 C atoms  R<SP>2</SP> represents a hydrocarbon radical a, x and y individually represents 0 or 1 with the proviso that x#y. p is is an integer of #3 and #6 q is zero or #3 (p+q) is #6 and allowing the polythiol ester to cure on the material. The treatment provides shrink resist and durable press effects. The material, in general, should contain #30% by weight of keratinous fibres, which may be mixed with polyamides, polyesters poly(acrylonitrile) and with cellulosic material. The polythiols may be used alone or in conjunction with aminoplastics, polymeric and non-polymeric mercaptans, epoxy resins, acrylic resins and polyisocyanates. Particular useful polymeric polymercaptans are those esters and ethers having at least 2 mercaptan groups per molecule and which contain (a) a radical of a polyhydric alcohol (b) bound to this radical, at least 2 poly (oxyalkylene) chains (c) bound through oxygen atoms to carbon atoms in the said poly(oxyalklene) chains, at least 2 residues selected from an acyl residue of a thiol-containing aliphatic carboxylic acid or a residue, after removal of a OH group of a thiol containing. The said ester or ether having a molecular weight of #400 and #10,000. Other polymeric mercaptans which may be used with the polythiol esters include homopolymers or copolymers of butadiene or methyl butadiene having -SH groups directly attached to C atoms of the polymer, such as those containing structures of formula in which b and d are each positive integer such that the polymer has an average mol. wt. of #1000 and #10000 c is zero or the integer  X = H or CH 3  and Y = -CN, -COOH, -CONH 2 , -COOZ, -C 6 H 5 , or -OCOZ where Z is an alkyl group of 1 to 8 C atoms. Preferably the polythiols are applied from organic solvents, especially chlorinated and/or fluorinated hydrocarbons containing #3 C atoms. Generally 0.5 to 15% by weight of the polythiol is used, based on the keratinous material treated. A catalyst may be used to cure the polythiol and 0.1 to 20% by weight of it is used, based on the weight of the polythiol. Examples of the catalyst are a base, a free radical catalyst, a siccative, an oxidative curing agent, sulphur, mercaptobenzothiazole or a derivative thereof, dithio carbamate, a thiuram sulphide, a thiourea, a disulphide, an alkyl xanthogen disulphide or an alkyl xanthate. Preferably the thiols are cured at a pH of 7.5 to 12 in a temp. range of 30 to 180C.
Patent GB-1318681-A (GB)
Title: Phenyl ketoxime derivatives
IPC: C07C275/40
Filed: 1971-01-01
Abstract: 1318681 Phenylketoximes SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 30 Dec 1971 [1 Jan 1971] 92/71 Heading C2C The invention comprises compounds of the formula where R 1  is alkyl; R 2  is H, alkyl, aralkyl, phenyl substituted by nitro and fluoroalkyl, or acyl; X is H, halogen, alkoxy, alkylthio or alkylureido; and Y is amino, ureido or thiorueido optionally substituted by alkyl, phenyl, alkylphenyl or acyl. The compounds wherein R 2  is H or alkyl are prepared by reacting a compound of the formula with a compound of the formula H 2 NOR 2  or an acid salt thereof. Compounds wherein R 2  is aralkyl, acyl or phenyl substituted by nitro and fluoroalkyl are prepared by reacting the corresponding compound wherein R 2  is H with R 2 -hal where hal is halogen, or, when R 2  is N-alkyl substituted carbamoyl, with an alkyl isocyanate. The compounds are used as pesticides.
Patent GB-1319697-A (GB)
Title: Rubbing gear
IPC: D01H5/58
Filed: 1971-07-23
Abstract: 1319697 Condensing web to roving SANT' ANDREA NOVARA OFFICINE MECCANICHE E FONDERIE SpA 23 July 1971 34803/71 Heading D1N In a device for converting web to roving, two successive rubbing stages are employed utilizing transversely reciprocating belts 5 through two sets of which the web passes, Fig. 1. A roller 10 is included within each upper belt 6 to ensure sufficient contacting force between the belts. The web is initally drafted in a device 1 and subsequently wound onto a bobbin 2 by a fluted contact cylinder 3.
Patent GB-1322888-A (GB)
Title: Guide apparatus for hydraulic machines
IPC: F03B3/18
Filed: 1972-03-09
Abstract: 1322888 Hydraulic turbines LENINGRADSKY ORDENA LENINA METALLICHESKY ZAVOD IMENI XXII SIEZDA KPSS 9 March 1972 10907/72 Heading FIT In a hydraulic turbine having angularly adjustable guide blades 1 controlled by servomotors 4, 7, each blade has a lever 3 mounted on its journal 2, one end of lever 3 being pivoted to the piston rod 6 of servomotor 7 whereas the other end is pivoted to the body of adjacent servomotor 4, the servomotors thus being wholly supported by adjacent levers 3. To ensure sychronized adjustment each blade 1 has a lever 11 pivoted thereto at 12 and connected to lever 3 by a shear pin 15, all the levers 11 being pivotally inter-connected by links 14. Operating oil is fed to and from the servomotors through flexible hoses 8 and pipes 9.
Patent GB-1328108-A (GB)
Title: Hair preparations
IPC: A61K8/04
Filed: 1970-12-31
Abstract: 1328108 Aerosol hair sprays UNILEVER Ltd 31 Dec 1970 [6 Jan 1970] 631/70 Heading A5B [Also in Division C4] An aerosol hair spray comprises a resin and solid transparent beads of diameter 40-150 microns. The beads may be glass, polystyrene or a styrene copolymer. The composition may also contain TiO 2 -coated mica platelets, and a fluorescent pigment and optical brightener. An exemplified hair spray consists of (a) resinous polymer 5%; Ballotini beads 0.5-2%; TiO 2 -coated mica 0.1-0.3%; fluorescent pigment 2%; optical brightener 2%; methyl siloxane 1%; solvent 10%; perfume 0.3%; methylated spirits to 100%; and (b) a propellant consisting of trichlorofluoromethane 65%; dichlorodifluoromethane 35%; the weight ratio (a): (b) being 40:60.