baber/WOPTO huggingface dataset:
Patent GB-1091899-A (GB)
Title: Method and apparatus for determining physical properties of gases
IPC: G01N29/032
Filed: 1965-02-01
Abstract: 1,091,899. Fluid amplifiers. BENDIX CORPORATION. Feb. 1, 1965 [Feb. 20, 1964], No. 4243/65. Heading G3H. [Also in Division G1] In a method of determining the specific volume, enthalpy and temperature of a gas, a gas stream oscillator is used comprising a supply port 21 and two outlet ports 22, 23 joined by passages 30, 31 respectively, and delay lines 28, 29 between each outlet and an intermediate point 37 of said passages 31, 30. Static pressure meters 44, 45 are placed in delay lines 28, 29 or one pressure meter may be placed in port 21. A frequency meter 6 is connected to outlet ports 22, 23 to detect the frequency of oscillation of the gas stream. The passages 24a, 25a, 30, 31, 32 and 33 are defined by grooves in base 20 which are covered by a plastic cover 20a and delay lines 28, 29 are covered grooves in the opposite side of the base. When vapour is supplied to inlet port 21, the vapour gas stream enters either passage 30 or 31. If the gas enters passage 31 it produces a pressure wave in the delay line 29 and passage 25a to cause a face to be applied to the gas stream at junction 37 moving the stream from passage 31 to passage 30. The same will then be repeated to transfer it back to 31. The frequency of the movement depends on the length of the delay lines 28, 29 and the characteristics of the stream.
Patent GB-826102-A (GB)
Title: Lubricating oil compositions
IPC: C10M129/42
Filed: 1958-02-10
Abstract: A lubricating oil composition comprises a major proportion of lubricating oil and a minor proportion (preferably 0.1-10%, more preferably 0.5-5% and particularly 1-5%) of a dicarboxylic acid HOOC CnH2n-mRmCOOH where R is a C1-C3 alkyl radical (preferably methyl), n=3-6, m=1-3 and the total number of carbon atoms in all R's is 1-3. The composition may also contain a minor proportion (preferably 0.1-10% and particularly 1-5%) of an oil-soluble branched-chain alkanol (preferably an oxo alkanol or any C8-C10 alkanol).  The aforesaid lubricating oil may be mineral (deriving from paraffinic naphthenic, alphaltic or mixed base crudes) or synthetic, e.g. polyoxyalkylene glycols (including ethers and esters thereof), aliphatic dibasic acid esters (such as di-2-ethylhexyl sebacate or adipate), polymerized olefins, alkylated aromatics, isomerized waxes and polymeric silicones; it can also be a mixture of mineral oils with fatty oils (e.g. castor and lard oils) and/or synthetic oils. Specified acids of the above general formula are 2- and 3-methylglutaric, adipic, pimelic and suberic; 2 : 2-, 2 : 3- and 3 : 3-dimethylglutaric, and adipic; 2 : 4-dimethyl- and 2 : 2 : 4- and 2 : 3 : 4-trimethyladipic; 2 : 2 : 4-trimethylsuberic, 3-ethyladipic and glutaric, and 2-methyl-3-ethyl adipic acids; mixtures of acids may also be used.  Examples of alkanols are: a C8-oxo alcohol derived from a C7 olefin mixture, 6-methyl - 1 - heptanol, 2 - o - propyl - 1 - pentanol, 3 - n - propyl - 1 - hexanol, 2 : 2 - dimethyl - 1 - octanol, 10 : 10 - dimethyl - 1 - undecanol, 3 - isopropyl - 1 - heptanol and mixtures thereof.  Optional ingredients are silicone antifoaming agents, alkylphenol antioxidants (e.g. 2 : 6 - ditert. butyl - 4 - methylphenol) and polyacrylate ester viscosity-index improvers.
Patent GB-1044803-A (GB)
Title: Stretchable fabrics and process therefor
IPC: D06M15/263
Filed: 1964-01-31
Abstract: A graft polymer is produced by copolymerizing in aqueous emulsion ethyl acrylate and vinylidene chloride in the presence of ammonium persulphate and sodium hydrosulphite and then adding further vinylidene chloride to effect grafting of this latter portion of vinylidene chloride on to the initially-formed copolymer.ALSO:Fabrics containing stretch but substantially non-elastic yarn are impregnated with a liquid elastomeric composition and treated to form a dry, tack-free deposit of elastomer, the deposition of the elastomer being confined to the individual yarns of the fabric so that the fabric has substantially the same permeability and physical appearance as prior to impregnation but has a high modulus.  The stretch yarns may be produced by a torque process involving twisting the yarn to produce the desired degree of deformation or by a non torque process involving crimping of the yarn by passing it over a heated edge or through a stuffer box. The yarns may be plied yarns, spun staple yarns or multi-filament yarns prepared from continuous filaments. The treated fabrics may contain a stretch yarn in only the warp or weft.  The fabrics may be produced by weaving or knitting, e.g. by a shuttle weave, leno weave, circular knit, tricot knit, rachel knit or kidde knit process from yarns comprising cotton, wool, linen, viscose rayon, nylon, polyester, polyacrylonitrile, polyvinyl alcohol, polyurea, polyurethane or cellulose ester fibres.  Suitable elastomers are those prepared from acrylates, natural rubber, styrene-butadiene, butadiene-acrylonitrile, butyl rubber, ethylene-propylene rubber, chlorosulphonated polyethylene, polyesters, cis-polyisoprene, fluorocarbon rubbers, polyester-polyamide elastomers, cis-polybutadiene, chloroprene rubber, ethyl acrylate-vinylidene chloride having vinylidene chloride grafted thereto and urethane elastomers prepared from either polyethers or polyesters.  The fabric may be treated with a solution, emulsion or dispersion of the elastomer in water or an organic solvent by immersion, spraying, roller coating or continuous dipping and cured by heating to 50 DEG -250 DEG C.  Polyurethanes may be applied in organic solvents e.g. carbon tetrachloride, chloroform or other halogenated hydrocarbons, ethers or aromatic hydrocarbons together with a curing agent, e.g. water or a dithiol.  After impregnation prior to curing the fabric may be moulded into a desired shape or form, e.g. a swimming suit, and cured on the mould.
Patent GB-586064-A (GB)
Title: An improved electrically-conductive ceramic coating or composition
IPC: C04B35/01
Filed: 1945-02-20
Abstract: In an electrically-conductive ceramic coating or composition as claimed in the parent Specification, the ceramic material is mixed with one of the following compositions, the constituents being present in specified quantities.  (i) Fe2O3 + Bi2O3 and/or CdO  (ii) Fe2O3 + (CdO or Bi2O3) and/or ZnO  (iii) Fe2O3 + (CdO or Bi2O3 or Zno or Sb2O4 or CaO or ZrO2 or BeO) and/or TiO2  (iv) Fe2O3 + (CdO or Bi2O3 or ZnO or Sb2O4 or CaO or ZrO2 or BeO) and/or MgO  (v) Fe2O3 + (CdO or Bi2O3 or ZnO or Sb2O4 or CaO or BeO) and/or ZrO2  (vi) Fe2O3 + (CdO or Bi2O3 or ZnO or Cao or BeO) and/or Sb2O4  (vii) Fe2O3 + (CdO or Bi2O3 or Zno or BeO) and/or CaO  (viii) Fe2O3 + (CdO or Bi2O3 or ZnO) and/or BeO
Patent GB-1065335-A (GB)
Title: Handwheel
IPC: G05G1/10
Filed: 1966-02-01
Abstract: 1,065,335. Positive clutches. H. DECKEL, and F. W. DECKEL. Feb. 1, 1966 [Feb. 9, 1965], No. 4329/66. Heading F2C. A hand wheel free to rotate on a drive-shaft may be coupled to the shaft by a clutch operable by a hand grip mounted at the rear of the hand wheel. As shown, the clutch comprises members 20, 44 with facial teeth 22 normally held apart by a spring 48, the member 20 being secured to the hand wheel 14 and carried by a ball-bearing 12 at the end of the shaft 10, while the member 44 engages a key 46 in the shaft. A hand grip 28 held at the rear of the hand wheel by a retaining ring 26 may be raised against the force of a centring spring 30 whereby conical cam surfaces 42 on grip 28 and clutch member 44 cause the latter to move into engagement with the second clutch member 20 and thus connect the hand wheel and shaft. Member 28 may also be displaced by rotation of a cam 38 connected to the crank handle 34. In a second form, Fig. 3 (not shown), the hand grip member is tiltable to operate the clutch members.
Patent GB-193270-A (GB)
Title: Improvements in connectors for pumps for inflating pneumatic tyres and other objects
IPC: B60C29/06
Filed: 1922-02-14
Abstract: 193,270. Hepburn, D., and Boyce Motor Accessories, Ltd. Feb. 14, 1922. Couplings, disconnectible. -A pump connector of the kind in which a rubber packing-sleeve b is compressed axially by a nut e and forced into the threads of the valve nipple is provided with means for preventing accidental removal from the nipple, comprising a thin flanged washer g fitting over the end of the rubber sleeve and formed with a central aperture which just permits passage of the valve nipple. When the nut e is tightened, the washer is moved laterally slightly and engages the screw thread of the nipple.
Patent GB-570651-A (GB)
Title: A process for the production of toluene
IPC: C07C15/06
Filed: 1942-04-01
Abstract: Toluene is produced from naphthenic distillates, i.e distillates of natural or synthetic origin, containing naphthenic and paraffinic hydrocarbons having seven carbon atoms in the molecule, and obtainable from crude petroleums, by separating the distillate into a lower boiling fraction containing substantially all of the dimethyl cyclopentanes and methyl cyclohexane and a higher boiling fraction containing substantially all of the toluene, subjecting the lower boiling fraction to an isomerization treatment to increase its methyl cyclohexane content, fractionating the resulting isomerate to separate a lower boiling dimethyl cyclopentane fraction and a higher boiling methyl cyclohexane fraction, subjecting the dimethyl cyclopentane fraction to a second isomerization treatment, fractionating the isomerate to separate a lower boiling dimethyl cyclopentane fraction and a higher boiling methyl cyclohexane fraction, subjecting the higher boiling methyl cyclohexane fractions from the fractionation of the isomerates of both isomerization treatments to a catalytic aromatization treatment and recovering the toluene.  The isomerization catalyst may be an Al halide, or a halide of Zr, Zn, Sn, Be, Nb, Ta, Sb, B, Cu or Cd if desired in conjunction with Al halide.  Specifications 7112/14, [Class 2 (iii)], 244,697 and 311,789, [both in Class 32], are referred to.
Patent GB-617954-A (GB)
Title: Improvements in or relating to abrasive implements
IPC: B24D9/00
Filed: 1944-03-09
Abstract: 617,954. Abrasive tools. STEVENS, A. H. (Behr-Manning Corporation). March 9, 1944, No. 4400. [Class 60] An abrasive tool is formed by winding an abrasive-coated strip upon itself with the edges of the convolutions stepped back to produce a generally tapered or conical working end. As shown, a wedge-shaped strip 15, with the abrasive surface disposed outwards is wound on a mandrel, the lower edge 17 being coated with adhesive to secure the convolutions together. The tool is fixed on a spindle 25 having a screw-threaded part 27 which bites into the material.
Patent GB-1385032-A (GB)
Title: Catheters
IPC: A61M39/10
Filed: 1972-01-31
Abstract: 1385032 Surgical infusion SIEMENS AG 31 Jan 1972 [1 Feb 1971] 4489/72 Heading A5R [Also in Division F2] A flexible tube (2, Fig. 1, not shown), attached to a catheter (3) is joined to a swivel coupling 16. The coupling preferably has a metal or glass cylinder 17, sealed with a metal wall 18. Plungers 19, 27 and 37 are a sliding fit in the cylinder and rotate with their surfaceground end faces 24, 40 in fluid-tight contact with end wall 18 and cover 40. Ball bearings are placed between plungers 27 and 37 to ensure free rotation of the joint 33, connected to the catheter. Annular grooves 42 and 43 collect any fluid leaking from gap 22, which is a few tenths of a mm. wide.
Patent GB-524956-A (GB)
Title: Closure caps for bottles and like containers and package formed therewith
IPC: B65D41/02
Filed: 1939-02-10
Abstract: 524,956. Closures for bottles and like containers. WHITE, W. P. Feb. 10, 1939, No. 4493. [Class 125 (iii)] A closure cap for sealing bottles and like containers comprises a shell with a top portion and a depending annular skirt which is of flaring form in its lower portion and a sleeve gasket of electrically deformable sealing material within the shell with its periphery lying against the lower flaring portion of the skirt and its upper margin spaced from the top portion of the shell, the skirt having an inwardly projecting abutment spaced below the top portion of the shell and spaced above the upper end of the gasket for limiting the upward displacement of the gasket in the shell. The closure cap may be used in conjunction with a bottle or like container having a sealing surface about its mouth portion and an outwardly projecting ledge below the sealing surface, this ledge being provided with upwardly extending narrow projections spaced apart from one another around the circumference of the container. The closure cap shown in Fig. 1 comprises a shell with a top portion 10 and a depending annular skirt 11. A gasket 12 is contained in the lower portion of the skirt 11a which is of flaring form and which terminates at a narrow inturned flange 11b. The upper portion of the skirt is fluted to form inwardly jutting portions 14. In Fig. 5 the closure cap is shown in position on a bottle V with a sealing surface S and a peripheral outstanding ledge 15 provided with a plurality of upwardly projecting lugs 16.
Patent GB-877716-A (GB)
Title: Metering mechanism for a petrol or other fuel filling station
IPC: B67D7/10
Filed: 1960-02-09
Abstract: 877,716. Dispensing liquids. SERVA-TECHN1K A.G. Feb. 9, 1960 [Feb. 11, 1959], No. 4524/60. Class 116 [Also in Group XIX] In a petrol pump 1 controlled by a number of locks 31 at least one of which has to be operated by a consumer's key before fuel can be dispensed, each lock has an electrical impulse counter 24 associated therewith which indicates the amount dispensed and is actuated from an electrical impulse generator 28 on the pump 1. The key 30 of each lock actuates two switches 16, 25, of which the first is in the circuit of the motor 2 driving the metering pump 3 supplying the dispensing hose 7 and the second is in the circuit of its associated counter 24. Lifting of the hose 7 from its rest closes a main switch 9 in the circuit of the motor 2, which circuit is completed by the closing of one of the switches 16, 161, . . . on insertion of a key 30, 30<SP>1</SP> .... The motor circuit includes a transformer 12 the output of the secondary 17 of which is rectified at 18 to feed the circuit of the impulse generator 28 which is connected to the pump 3 to generate one impulse for each predetermined amount dispensed e.g. 0À1 litre. The impulse from generator 28 momentarily energizes relay 20 to close switch 21 to generate an impulse in the circuit 22, 23, of the counters 24, 24<SP>1</SP> ..., which impulse operates whichever counter has been rendered operative by closing of its switch 25, 251 ... by insertion of its associated key 30, 301 . . . . The impulse generator 28 comprises a switch contact 46, Fig. 2 which is operated momentarily to generate impulses by raised points 44 on a disc 33 rotated from the shaft 34 of the meter 3 through a lostmotion connection 35, 37. To ensure that the switch 27 does not remain closed when the pump 3 stops, a second disc 32 connected to the disc 33 has raised points 39 slightly in advance of the points 44 and co-operates with a spring-loaded follower 42 so that as soon as the follower 42 passes a crest 39 it rides down the slope 40 to move the discs 32, 33 in advance of the shaft 34, whereby the points 44 are moved rapidly past the contact 46 even if the shaft 34 stops rotating.
Patent GB-1518005-A (GB)
Title: Synthetic polymer
IPC: C08C19/28
Filed: 1976-02-05
Abstract: 1518005 Modified diene polymers SUMITOMO CHEMICAL CO Ltd 5 Feb 1976 [7 Feb 1975 13 Feb 1975] 4578/76 Headings C3M, C3P and C3R Modified polymers are produced by (1) forming an adduct between an alpha,#-unsaturated dicarboxylic acid or an anhydride thereof and a liquid polymer of a conjugated diolefin having a number average M.W. of 150-3000, a viscosity of 2-5000 cps at 30‹ C. and at least 50% cis-1,4 structure, and (2) reacting said adduct with an alcohol or amine to effect diesterification or imidation, the final product having an acid value of not more than 10. In examples, liquid polybutadienes are reacted with maleic anhydride, and the resulting adducts with nbutanol, 2-ethyl hexanol, dodecanol, hexylamine or oleylamine. The above products are used in ink or paint compositions with the usual conventional ingredients. In some examples, the product is mixed with a rosin-modified phenol resin to give a resin binder for such compositions.
Patent GB-195236-A (GB)
Title: Improvements in or relating to the injection of liquid fuel in internal combustion engines
IPC: F02B19/14
Filed: 1922-02-17
Abstract: 195,236. Gattlen, J. Feb. 17, 1922. Cylinders receiving liquid fuel.-A charge of liquid fuel enters the lower bend H of the channel E through the port L and is blown into the cylinder by the explosion of a charge of carburetted air admitted to the chamber B through the port C and ignited at D. The liquid fuel is forced against the walls of the channel through a plug F of heated refractory material such as chrome nickel steel and against a conical pin K by which it is thoroughly atomized. The chamber B is water jacketed. The outlet end of the channel E may be directed downwards to cause the charge tn impinge upon an insulated metal plate on the head of the piston. Specification 138,899 is referred to.
Patent GB-979243-A (GB)
Title: Process for the production of spinnable solutions of polymers of acrylonitrile in aqueous nitric acid
IPC: D01F6/18
Filed: 1963-02-05
Abstract: Spinnable solutions of polymers or copolymers of acrylonitrile are produced by polymerizing a solution of acrylonitrile, alone or together with copolymerizable compounds, in aqueous nitric acid of from 50 to 68% HNO3 content.  Suitable comonomers include methacrylonitrile, methyl acrylate, vinylidene cyanide, styrene, methyl styrene, vinyl sulphonic acid, vinyl pyridine, vinyl acetate, methyl vinyl ether, acrylic and methacrylic acids, allyl sulphonic acid and methallyl sulphonic acid.  Of the conventional polymerization accelerators that may be used ammonium peroxidisulphate, monopersulphuric acid and sodium methallyl sulphonate are exemplified.  Redox catalysts such as alkali bisulphite, sulphinic acids and ascorbic acid may be added to the nitric acid.  The polymerization may be accelerated by adding traces of iron, copper, titanium or silver or by ultraviolet irradiation. Nitrogen oxides may be removed during the reaction by vacuum degasification or by the addition of urea.  The nitric acid concentration may be modified during the polymerization reaction. The polymerization may be a batch or a continuous flow process. Specification 867,846 is referred to.
Patent GB-1089872-A (GB)
Title: Improvements in and relating to film evaporators
Inventor: MACMANUS THOMAS
IPC: B01D1/22
Filed: 1964-02-04
Abstract: 1,089,872. Evaporators, film-type. HEAD, WRIGHTSON & CO. Ltd. May 4, 1965 [Feb. 4, 1964], No. 4727/64. Heading BIB. In an evaporator suitable for viscous liquids, wherein some of the liquid vaporizes as it flows as a film down the inner surface of a vertical, externally-heated tube 40', part of the film is guided by scraper blades 44' from the surface of the tube onto the plates 42 of a rotor assembly 41 within the tube, and is then transferred back to the inner surface of the tube. The blades 44' are attached to backing plates 47 (Fig. 9) carried on the ends of swing- ing arms 48 pivotally mounted at 48 to the top and bottom plates of the assembly 41. The rotation of the assembly 41 causes the liquid to build up on plates 42, and slide back to the inner wall of the tube off brackets 43. Apparatus is also described wherein the film of liquid is transferred onto one or more cylindrical rolls instead of the polygonal assembly 41. These rolls may be hollow and heated or cooled. An embodiment is described in which the externally-heated tube is disposed horizontally.
Patent GB-140061-A (GB)
Title: Process for the production of catalysts and the product thereof
IPC: C01C1/04
Filed: 1920-02-16
Abstract: Catalysts for use in the synthesis of ammonia at atmospheric pressure and moderate temperatures and containing as the active constituent a metal, as specified below, which, when heated in nitrogen, forms a nitride decomposable by hydrogen, are prepared by causing an oxide of such metal to react with a reducing metal such as aluminium or magnesium; the reaction mass, which constitutes the catalyst, contains the catalytic metal in a finely divided state and distributed over the oxide of the reducing metal, and by the use of such a catalyst the synthesis of ammonia is effected at a temperature lower than that necessary with the catalytic metal alone.  Catalysts containing the following metals may be so prepared,-lithium, uranium, titanium, calcium, barium, strontium, glucinum, vanadium, and molybdenum.  According to an example, finely powdered quick-lime is intimately mixed with very finely powdered aluminium or magnesium, and reduction is started by igniting a length of magnesium ribbon introduced into the mixture.  To regenerate the catalyst, fresh quantities of catalytic metal oxide and reducing metal are added, and the mixture brought to reaction as before.  If the reaction mass is allowed to cool in the air or in pure nitrogen, the catalytic metal is in part converted into nitride, and the resulting catalyst is of increased activity.  Specification 140,060 is referred to.  The Specification as open to inspection under Sect. 91 (3) (a) included the production of catalysts containing other metals such as cerium, lanthanum, thorium, and zirconium.  This subject-matter does not appear in the Specification as accepted.
Patent GB-326308-A (GB)
Title: Improvements in or relating to fire extinguishing apparatus
IPC: A62C3/06
Filed: 1929-02-12
Abstract: 326,308. Excelsior Feuerl÷schgerõte Akt.-Ges., and Burmeister, H. Feb. 12, 1929. Jet nozzles; splashing apparatus. - A portable pipe for delivering foam for extinguishing burning liquids in tanks, is provided with a telescopic delivery nozzle which can be extended or contracted bv means of a draw-cord. The pipe a supports, by means of chains e, a series of funnel-like members b which are hung one from the other by chains d. A draw-cord c passing over pulleys f is connected to the lowest funnel by chains. A baffle plate or spreader h preferably is hung below each funnel by chains i. In use, the lowest funnel dips into the burning liquid, and the foam flows down the funnels and escapes by the annular space g.
Patent GB-495697-A (GB)
Title: Improvements in or relating to electrically driven suction cleaning machines
IPC: A47L5/28
Filed: 1937-02-17
Abstract: 495,697. Vacuum cleaners. BRITISH VACUUM CLEANER & ENGINEERING CO., Ltd., HUTCHINSON, R. J., and BAIRD, N. Feb. 17, 1937, No. 4775. [Class 8 (i)] An electrically-driven vacuum cleaner is provided with a short handle 6 for use in cleaning off the floor, and with a long handle 12 fitted into a forked socket 11 which pivotally carries a wheeled carriage 14 having a tubular portion 17 capable of fitting over and being clamped to the short handle ; the wheels 16 and the nozzle 5 support the machine for floor cleaning. The nozzle may be provided with coupling means as described in Specification 495,698. The handle may have stops for holding it in certain positions, or it may be capable of swinging freely. A reversible plug contact member 9 and a switch 27 are provided.
Patent GB-713980-A (GB)
Title: Improvements in or relating to box-like containers
IPC: A63J19/00
Filed: 1952-02-25
Abstract: 713,980. Folding toy theatres. SCOLA, E. Feb. 25, 1952, No. 4912/52. Class 132(3) [Also in Group XVII] A box, which may be folded up from one or two blanks of cardboard &c. is convertable into a toy stage, the box having an aperture forming a proscenium and slots 7 in the top through which cut-out figures 9 may be operated by strips 10. Flaps 3a attached to outer end walls 4a slide behind the front 1 to close the box. An outer top wall 5a normally covers the slits 7, but is held in its raised position by flaps 6.