baber/WOPTO huggingface dataset:
Patent GB-1048670-A (GB)
Title: Vehicle braking systems having load-sensitive valves
Inventor: SHATTOCK CHARLES FREDERICK BAY
IPC: B60T8/18
Filed: 1964-10-08
Abstract: 1,048,670. Fluid-pressure brakes. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. Sept. 22, 1965 [Oct. 8, 1964], No. 41053/64. Heading F2F. A load-responsive valve, for controlling a compressed-air or vacuum braking system of a vehicle in accordance with the load carried, is either of the " empty/load " type, as shown, or of the continuously variable, self-lapping type, and is operably connected to load-measuring means, e.g. to a spring anchorage on a live axle of the vehicle, by a cam device which is so devised that if the load-measuring means fails, e.g. if the associated vehicle suspension spring fails, the valve will be put in the condition corresponding to the vehicle being empty. As shown, an inlet-exhaust assembly comprising inlet valve 1, seat 2 and exhaust valve 5, which is formed on a plunger 4 having exhaust passages 3, is operated by a lever 7 carrying a follower 8 engaging cam 9, the latter being connected via a lever 10 and link (not shown) to the spring mounting on a live axle of the vehicle. Cam 9 has a low surface 12 corresponding to the " empty " condition, a high surface 13 corresponding to the " loaded " condition, and a further low surface beyond the surface 13 which is engaged by the follower roller only if the vehicle spring brakes or for some other reason the vehicle body engages the bump stops of the suspension. In an alternative arrangement (not shown), the cam comprises only the surface 13, there being in addition a stationary cam providing the surfaces 12, 14 in contiguous relation with the surface 13. The valve may be arranged either to alter the leverage of the brake linkage between each brake cylinder of the braking system, and the associated brake blocks, or to cut in or out an extra brake cylinder. If a variable, self-lapping valve is used this is arranged to vary the maximum degree of braking available.
Patent GB-1030326-A (GB)
Title: Improvements in arc welding electrodes
Inventor: MERCER JEFFREY FRANCIS
IPC: B23K35/30
Filed: 1963-09-17
Abstract: An arc welding electrode comprising a flux of the low hydrogen lime-fluoride type and adapted to deposit a ferrous metal containing 1.7-2.5% chromium and 0.7-1.3% molybdenum, includes at least six times as much columbium as carbon, the amount of columbium not exceeding 2% of the total weight of the electrode. Preferably the carbon content is 0.03-0.12% and the columbium is about ten times as much.  A manual stick electrode has a core wire of mild steel and a coating composed of:  .calcium carbonate.20-55% .calcium fluoride.10-40% .silica.0-15% .rutile.0-30% .deoxidisers (e.g. Mn, Al, Si, Ti. .or ferro-alloys therof).2-20% .iron powder.0-50% .chromium or ferro-chromium.6-15% .molybdenum or ferro-molybdenum.3-8% .ferro-columbium.2-14% .extrusion aids e.g., alginates, china. .clay.0-6% mixed with a silicate binder and forms a weld consisting of .C.0.065% .Mn.0.9% .Si.0.4% .Cr.2.2% .Mo.1.05% .Nb.0.6% .Fe.balance A continuous submerged arc welding electrode constructed as described in Specification 949,587 with a sheath winding and core of mild steel contains the following flux composition:  .calcium carbonate.13-30% .calcium fluoride.10-60% .woolastonite, silica or the like.4-25% .deoxidisers.0-20% .chromium or ferro-chromium.15-60% .molybdenum or ferro-molybdenum.7-25% .ferro-columbium.4-30% .extrusion aids.0-6% mixed with a silicate binder; the total calcium carbonate and calcium fluoride being at least twice the amount of wollastonite silica or similar inert filler.  A flux coated submerged arc welding electrode having a mild steel wire and the following flux:  .calcium carbonate.5% .calcium fluoride.29% .silica.5% .ferro-manganese.5% .chromium.30% .ferro-molybdenum.15% .ferro-columbium.10% .alginates.1% mixed with a silicate binder deposits the following weld metals:  .C.0.06% .Mn.1.1% .Si.0.35% .Cr.2.3% .Mo.0.95% .Nb.0.7% .Fe.balance
Patent GB-1070726-A (GB)
Title: Polycarbonate elastomers
IPC: C08L69/00
Filed: 1963-10-18
Abstract: Elastomeric polycarbonates contain units of formula <FORM:1070726/C3/1> in which Q represents a hydrogen atom, halogen atom or alkyl group having up to 4 carbon atoms, and X represents a gem-bivalent radical of a saturated polycyclic compound having at least one bicyclic carbon-bridged hydrocarbon ring, and containing units of formula <FORM:1070726/C3/2> in which Y represents a linear or substantially linear polyether in which the units have at least 4 carbon atoms, a polyformal, an aliphatic polycarbonate or a poly-(etherurethane) residue.  From 0.1 to 3 mole per cent of the units of Formula (I) may consist of tri- or higher polyfunctional phenols and from 0.1 to 3 mole per cent of the units of Formula (II) may contain functional groups capable of being cross-linked.  The polycarbonates may be made by reacting (a) the bisphenol whose residues occur in Formula (I), a polymeric glycol of formula HO-Y-OH and phosgene, or (b) thio bisphenol, the bischloroformate of the polymeric glycol and, possibly, phosgene.  Reaction may be effected by the interfacial process or in solution in a tertiary amine (especially pyridine) and, possibly, an organic solvent.  The manner in which the reactants are added may be adjusted to provide polycarbonates in which the bisphenol units recur in random or block distribution. The preferred gem-bivalent radicals X in Formula (I) have the formulae <FORM:1070726/C3/3> The preferred polyether glycols are those of formula HO(RO)xH where R is a straight- or branched-chain alkylene radical containing 4 to 20 carbon atoms and x is sufficient to give the polyether a molecular weight of 500-5000. Some of the alkylene radicals may be replaced by arylene or cycloalkylene radicals.  The preferred polyformal glycols are those of formula H(-O-R-O-CH2-)xO-R-OH where R is a straight- or branched-chain alkylene or cycloalkylene radical containing 4 to 20 carbon atoms and x is sufficient to give the polyformal a molecular weight of 500-5000. In addition, the polyformal may contain 0.1 to 3 mole per cent of trimethylol propane, trimethylol ethane or pentaerythritol. The aliphatic polycarbonate glycols preferably have the formula <FORM:1070726/C3/4> where R is a straight- or branched-chain alkylene radical containing 4 to 20 carbon atoms and x is sufficient to give the polycarbonate a molecular weight of 500-5000. The poly-(etherurethane) glycols preferably have the formula <FORM:1070726/C3/5> where R is a straight- or branched-chain alkylene radical containing 2-4 carbon atoms, R1 is a straight- or branched-chain alkylene radical containing 2-20 carbon atoms or a phenylene, tolylene or methylenebisphenylene radical and x is sufficient to give the poly-(etherurethane) glycols a molecular weight of 1500-5000.  The polycarbonates are suitable for the manufacture of fibres, films, moulded objects or coating compositions.  Before spinning fibres from solutionsof the polycarbonates, phenolic antioxidants, amino antioxidants, talc or titanium dioxide may be added.
Patent GB-1212754-A (GB)
Title: Synchronous motor
IPC: H02K7/116
Filed: 1968-08-30
Abstract: 1,212,754. Stud and socket fastenings. MALLORY TIMERS Ltd. 30 Aug., 1968 [30 Aug., 1967; 1 Sept., 1967], No. 41457/68. Heading E2B [Also in Division H2] A gear box is secured to a single phase synchronous motor 171 by means of a releasable fastening comprising studs 140 which engage with keyhole slots 113 in one endplate of the reduction gear box 180. The shoulders of the studs may be clamped and the slot 170 allows them to be compressed during attachment of the gear box.
Patent GB-1400194-A (GB)
Title: Devices for transporting objects by induced air flow
IPC: B65G51/28
Filed: 1972-09-07
Abstract: 1400194 Pneumatic conveyers SOC NOUVELLE DES VENTILATEURS G MOUZEN 7 Sept 1972 [27 Sept 1971] 41553/72 Heading B8A Articles are conveyed by air through a conduit positioned in an injector member comprising a Venturi tube, which conduit has openings such that the interior of the conduit communicates with the air inside the injector member. In the Figure, injector member 1 has an inlet 2 for air, an inlet 5 for articles and an exit tube 3. Conduit 6 formed of separate rods 7 connected by rings 8 provides a passage whose cross-section corresponds to that of the articles so that articles may slide along the conduit propelled by the air entering at 2.
Patent GB-1510027-A (GB)
Title: Electronic weighing systems
IPC: G01G23/16
Filed: 1975-10-10
Abstract: 1510027 Measuring weight electrically RAIL WEIGHT Inc (UK) Ltd 1 Oct 1976 [10 Oct 1975] 41703/75 Heading G1N A weighbridge comprises a platform 2 carrying resistance load cells connected as a bridge 1, the circuitry incorporating resistors 13, 14, 15 for introducing a tare weight signal via switch 16. This switch is optionally opened at different stages in a weighing process to check that the system indicates the same nominal increase in weight on platform 2. The electrical circuitry is separately checked by resistors 9-12 which are switched in pairs to simulate predetermined calibration weights.
Patent GB-1409114-A (GB)
Title: Indole derivatives
IPC: C07D209/12
Filed: 1972-09-11
Abstract: 1409114 Derivatives of 4-hydroxyindole CHEM PHARMAZ FABRIK DR HERMANN THIEMANN GmbH 11 Sept 1972 [11 Sept 1971] 42046/72 Heading C2C The invention comprises compounds of formula wherein R<SP>1</SP> and R<SP>2</SP> are each alkyl, cycloalkyl, aryl, nitroaryl, haloaryl or aralkyl; R<SP>3</SP> is alkyl, aryl, aralkyl, alkoxy, aryloxy or aralkoxy; and either (a) R<SP>4</SP>, R<SP>5</SP> are each H, halogen, OH, CO 2 H, alkyl, aryl, haloalkyl, haloaryl, alkoxy, acryl or acyloxy or (b) R<SP>4</SP>-R<SP>5</SP> forms a fused benzene ring, provided that in case (a) R<SP>1</SP> may be only alkyl, cycloalkyl or aralkyl. These compounds are prepared by reacting 2-R<SP>4</SP>-3-R<SP>4</SP>- benzoquinone, or naphthoquinone, with the enamine R<SP>1</SP>NHC(R<SP>2</SP>): CHCOR<SP>3</SP>. Also described generally are a number of classes of indole compounds (which may be derived from I by substantially standard procedures) of which the following are exemplified: the 4,5-diacetoxy 4,5-dihydroxy and 4-hydroxy-5-methoxy (Ia) analogues of I (R<SP>4</SP> = R<SP>5</SP> = H, R<SP>3</SP> = OEt), Ia(R<SP>3</SP> = OH) and the 3-decarboxylated derivative of Ia. Therapeutic compositions having hypotensive activity comprise compounds of Formula I, above.
Patent GB-1310428-A (GB)
Title: Drilling assembly
IPC: E21B47/01
Filed: 1970-09-04
Abstract: 1310428 Boring earth &c SOC NATIONALE DES PETROLES D'AQUITAINE 4 Sept 1970 [5 Sept 1969] 42498/70 Heading E1F [Also in Division F2] In a drill collar 1 a measuring instrument 5 has one or more connecting members 8 engaging one or more rings 11 carried by the collar, each ring comprising a resilient annulus bonded to rings 12, 13. A ring 16 on each member 8 engages a resilient ring 15 vulcanised to a ring 14 fixed to the collar. Drilling fluid passes through the members 8, and about the instrument. (For Figure see next column)
Patent GB-953408-A (GB)
Title: Improvements in or relating to the manufacture of ceramic bodies suitable for piezo-electric uses
IPC: C04B/
Filed: 1961-11-29
Abstract: A method of making piezoelectric ceramic bodies comprises forming a mixture of oxides or compounds which decompose to form oxides, e.g. carbonates, to form a final product con sisting of mixed crystals of PbTiO3 and PbZrO3 having a PbTiO3 content of from 10 to 60 mol. per cent (preferably from 40 to 50 mol. per cent), in which 0 to 40% of the tetravalent atoms may be replaced by Sn atoms and from 0 to 30% of the Pb atoms may be replaced by the alkaline earth atoms Ca, Sr and Ba, the mixture further comprising from 0.1 to 1% by weight of zinc oxide and/or cadmium oxide as a sintering agent.  The initial mixture is heated in oxygen at 850 DEG  C. for half an hour and then ground, the sintering agent being added at this stage.  Using a binder, e.g. 0.2% by weight of polyvinyl alcohol, rods are moulded which are sintered for half an hour in an oxygen rich atmosphere. The sintering is carried out in a platinum casing which may contain small plates comprising PbO and ZrO2 in a weight ratio of 1.8: 1 in order to obtain an atmosphere containing lead oxide. Alternatively excess PbO may be added to the original mixture.
Patent GB-991625-A (GB)
Title: Thiophanthrone and anthraquinone vat dyestuffs and process for their manufacture and use
IPC: C09B1/42
Filed: 1961-11-29
Abstract: The invention comprises vat dyes which are free from sulphoarylmercapto substituents and contain at least one thiophenanthrone and at least one anthraquinone residue or at least two anthraquinone residues respectively and not more than four rings fused together, at least one carboxylic acid amide group attached via the nitrogen atom and at least one sulphonic acid group which is not bound directly to a carbon atom of the anthraquinone nucleus and is a stable sulphonic acid group e.e. it is not split off by reducing agents and it is not attached to a residue which is hydrolysed off under alkaline reducing conditions.  The anthraquinone residues include those containing a fused carbocyclic or heterocyclic residue in the 1:9-position. The dyes are made by acylating suitable aminoanthraquinones with acylating agents containing stable sulphonic acid groups, by sulphonation of appropriate vat dyes, by hydrolysing vat dye sulphohalides, by ring-closing suitable intermediates to form dianthraquinonyl-oxdiazoles with or without simultaneous sulphonation and by oxidizing a vat dye containing a benzthiazolyl-mercaptan residue. Examples are given of the production of a large number of vat dyes of the above type, including those of the formulae <FORM:0991625/C4-C5/1> The dyes dye and print textile materials of natural or regenerated cellulose by the usual vat-dyeing and printing methods. Specifications 505,504 and 891,214 are referred to.
Patent GB-1247723-A (GB)
Title: Improvements in or relating to resistance welding apparatus
Inventor: CLARKE JOHN MICHAEL
IPC: B23K11/31
Filed: 1968-09-09
Abstract: 1,247,723. Welding by pressure. WILMOTBREEDEN Ltd. 9 Dec., 1969 [9 Sept., 1968], No. 42842/68. Heading B3R. In a resistance welding apparatus a first electrode 23 mounted on a carrier arm 20 is operated by power means 30 so that the arm 20 moves along a straight guide rod 14 to bring the first electrode into contact with one face of a workpiece 38 and the power means being operative so that a second electrode 26 which is attached to the guide means is brought towards an opposite face of the workpiece. The power means 30 comprises an hydraulic ram the cylinder of which is attached to the rod 14. The ram further comprises a hollow piston-rod 32 which is secured to an insulated thrust bearing 13 which applies a thrust to the arm 20 along the rod 14. On application of oil pressure to the ram cylinder 30 the arm 20 is moved forward compressing a return spring 22 so that the electrode 23 contacts the workpiece 38. The ram cylinder 30 then moves back carrying the rod 14 and hence the arm 21 until an adjustable stop 27 on the arm 21 contacts an insulated stop 24 on the arm 20 thus pivoting the arm 21 about a pivot pin 28 until the electrode 26 meets the workpiece 28. On removal of the oil pressure the arms are returned to their open positions by spring 22 to contact stop pins 39, 40 and 41 respectively. The rod 14 slides in brass bearings 11, 12 and is prevented from rotation by a gun angle adjustment arm 15 having a dowel which is pressed into the arm 15 and can slide in a bush in the frame 10. The rod 14 is electrically insulated from the arm 20 by an insulating sleeve. Arms 20, 21 are connected to electrical flexible leads by terminals secured in tapped holes on the arms. The electrodes may be cooled by water circulated into the arms 20, 21 by pipes. The arm 20 slides against an insulated guide strip secured on the arm 21. In a modification, Fig. 3 (not shown), both arms are maintained in angular alignment by an insulating tube 66 passing through slots in the ends of the arms. The tube 66 is secured in adjusting arms which are clamped to the main frame structure.
Patent GB-941575-A (GB)
Title: Process for improving olefine polymers
IPC: C08K5/00
Filed: 1959-12-21
Abstract: 941,575. Polyolefine/stabilizer compositions. FARBWERKE HOECHST A.G. Dec. 21, 1959 [Dec. 20, 1958], No. 43425/59. Heading C3P. An olefin polymer is stabilized with one or more condensation products of an alkyl phenol with an aldehyde, a ketone or a chloride of sulphur, and one or more compounds of pentavalent phosphorus which contain at least one O or S joined to P by a double bond and at least one amino group (optionally substituted by a hydrocarbon radical) or one or more compounds of trivalent phosphorus containing at least one amino group (optionally substituted by a hydrocarbon radical). The phosphorus compound may be of formula wherein X is O or S; Y is -NHR, -NR 2 , -R<SP>1</SP>, -SR or -OR; R is H or a C, to C 25  hydrocarbon radical; and R is halogen or a C 1  to C 25  hydrocarbon radical. Specified classes of phosphorus compounds are phosphorus acid amides, phosphoric acid amides, phosphoric acid ester amides, phosphonic acid amides, thiophosphoric acid amides, thiophosphoric acid ester amides, thiophosphonic acid amides, pyrophosphoric acid tetramides and tris-phosphoric acid pentamides. The condensation product may be one of those described in Specification 880,931, e.g. a condensation product of nonyl phenol with acetone, and the polymer may be derived from ethylene and/or propylene and/or butylene. Solvents such as acetone or methylene chloride may be used in forming the polymer/stabilizer compositions. In examples the following phos- .phorus compounds are used; phosphorus acid tridodecylamide, phosphorus acid trioctadecylamide, phosphoric acid N-methyl-octadecylamide diamide, phenyl phosphonic acid dioctadecylamide, thiophosphoric acid tributylamide, and thiophosphoric acid dibutylamide dianilide.
Patent GB-1061717-A (GB)
Title: A process for the preparation of water-insoluble derivatives of acylase
IPC: C12P41/00
Filed: 1963-11-05
Abstract: A water insoluble derivative of acylase (see Division C3) is used to cause asymmetric hydrolysis and optical resolution of N-acyl-DL-amino acids to produce optically active amino acids. Examples relate to the production of L-valine and L-alanine from the N-acetyl derivatives of the DL acids.  Other acids mentioned are leucine, glutamic acid, methionine, phenylalanine (all in N-acetyl form) and lysine (in e -N-benzoyl-a -N-acetyl form).ALSO:A water-insoluble acylase derivative is produced by reacting acylase with an N-carboxy-a -amino anhydride and/or an N-carboxy-a -amino anhydride having a second carboxylic acid group (not adjacent to the amino group) which may be esterified. Specified reactants are the N - carboxy - a  - amino acid anhydrides of a  - amino n - butyric acid, valine, leucine, isoleucine, phenyl alanine, a b -methyl-, ethyl- or benzyl-ester of aspartic acid or a g -ester of glutamic acid.  Co+ + +, Ca+ + or Zn+ + ions or cysteine may be present as an acylase inactivator. The product is useful in resolving DL amino acids by asymmetric hydrolysis (see Division C2).
Patent GB-1440188-A (GB)
Title: Rotational movement meter
IPC: G01P3/26
Filed: 1972-09-21
Abstract: 1440188 Measuring shaft speed electrically STANDARD TELEPHONES & CABLES Ltd 13 Sept 1973 [21 Sept 1972] 43690/72 Heading G1N A shaft revolution meter includes a plug-cock type of air interrupter having a barrel 4 and a rotary part 5 geared to a drive shaft of a road vehicle so that the supply of air from a reservoir 1 is interrupted to provide air-pressure pulses at a rate dependent upon vehicle speed, which pressure pulses are transmitted along a tube 8 to a diaphragm 9 stressing a Piezo-electric transducer 10 supplying  a trigger circuit 12 from which electric pulses are fed to a counter 13 providing a mileometer display 14 and to an integrator 15 thence to display 16 which registers road speed. Or a digital pulse rate meter is used in place of the integrator and its output drives a digital display. In a tachograph version the output of the integrator or digital pulse rate meter is fed to a recorder. Air-pressure pulses may be produced by a vacuum pump and interrupter.
Patent GB-1361086-A (GB)
Title: Removal of gas from a container containing the same
IPC: B63B57/04
Filed: 1971-09-20
Abstract: 1361086 Purging gases from containers LIQUID GAS ANLAGEN UNION GmbH 20 Sept 1971 [21 Sept 1970] 43821/71 Heading A5A [Also in Division F4] Gas is discharged from a container by displacement with an inert gas and the discharged gas is mixed externally of the container with further inert gas before release to the atmosphere. The inert gas may be the product of combustion of the displaced gas if this is combustible, or of fuel from a separate supply. When ammonia is to be displaced the displacing gas is freed from CO 2 , e.g. by absorption in water or on a molecular sieve or by reaction with ammonia. The process is particularly applicable to the purging of inflammable or explosive, or potentially so, gases from ships tanks. Each tank 1 is associated with inert gas generator 2 comprising burner 3 and scrubber and condenser 4. Unit 4 comprises tower 5 and scrubbing water sump 6, water being supplied by pipe 8 and discharged from pipe 7. Pipe 9 from container 1 leads to burner 3 via mixing chamber 11 to which is supplied combustion air at pipe 10. Pipe 13 from fuel supply 12 joins pipe 9 upstream of chamber 11, includes heat exchanger 14 loacted in sump 6. Pipe 9 also has branch 19 by-passing burner 3 and leading to the foot of tower 5. Recycle line 15 including pump 16 and heat exchanger 17 leads from sump to the top of 5, branch line 15a leading to water outlet 44 upstream of 17 to provide an open circuit. Pipe 20 leads gas from 1 via compressor 21 and mixer 22 to the atmosphere at 23. Mixer 22 is supplied with gas from the top of tower 5 via pipe 24, compressor 25 and branch 26. Branch 27 of 24 leads via drying unit 28 to tank 1. Numerals 29-41 represent shut-off valves. To discharge combustible gas from 1 the gas is passed, with valves 30, 31, 33 closed, to burner 3 and the combustion products are scrubbed and cooled in 5. The cooled inert gas withdrawn at pipe 24 is in part directed via line 26 to mixer 20, valve 30 being opened to supply gas from 1 thereto, and in part passes via line 27 to tank 1 as displacement gas. When the displaced gas is insufficiently concentrated to combust, fuel from 12 is supplied to burner 3. If the displaced gas is NH 3 , a portion is supplied to scrubber 5 via line 19 to remove CO 2  from the inert gas. In another embodiment the displaced gas may be scrubbed but not burned. Heat exchanger 17 may be used to heat water in air open or closed circuit at 18.