baber/WOPTO huggingface dataset:
Patent GB-192794-A (GB)
Title: Improvements in or relating to vaporizers for internal combustion engines
IPC: F02M33/02
Filed: 1921-11-11
Abstract: 192,794. Graef, E. W. Nov. 11, 1921. Vaporizers, external.-A vaporizer 2 is secured to or cast upon the outer face of the exhaust manifold 1 and upon the outer face of the vaporizer is secured by bolts another passage 11. The mixture from the carburettor 10 is directed in various proportions by the part 14a of the throttle through the vaporizer 2 or the cooler passage 11.. The parts 14, 14<a> of the throttle may be relatively adjustable, so that hot mixture only, cold mixture only, or both may be supplied, or they may be in different parts of the pipe and connected by adjustable linkwork. The path of the gases is indicated by the arrows. In a modification the gases after passing through the vaporizer are conveyed to the opposite side of the engine. In this case the chamber 2 surrounds the exhaust pipe. Specifications 5431/10 and 10115/13 are referred to.
Patent GB-1386446-A (GB)
Title: Production of 2-mercaptobenzothiazole
IPC: C07D277/72
Filed: 1972-06-29
Abstract: 1386446 2-Mercaptobenzothiazole MONSANTO Ltd 30 May 1973 [29 June 1972] 30372/72 Heading C2C 2-Mercaptobenzothiazole is prepared by heating a mixture of aniline, sulphur and N,N-dimethylformamide.
Patent GB-228823-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04Q3/42
Filed: 1923-11-05
Abstract: 228,823. Automatic Telephone Manufacturing Co., Ltd., (Automatic Electric Co.). Nov. 5, 1923. Drawings to Specification. Automatic and semi-automatic exchange systems.--If a calling subscriber operates his dial before the seizure of an idle registering and translating apparatus has been effected, the seizure of the apparatus is automatically prevented and a busy signal is transmitted to the calling subscriber. The invention is described with reference to a system identical with that shown in Specification 214,195, in which the registering and translating apparatus is associated over a hunting switch with the outgoing end of a trunk leading from an automatic to a manual exchange, the four numerical digits of the wanted number being translated into a code comprising a variable potential connected to one wire of the trunk combined with a variable number of impulses transmitted over the other wire.
Patent GB-392443-A (GB)
Title: A mould for blowing glassware
Filed: 1932-10-29
Abstract: 392,443. Glass manufacture. SOC. ANON. D'ETUDES ET DE CONSTRUCTIONS D'APPAREILS MECANIQUES POUR LA VERRERIE, 3, Rue de Castellane, Paris. Oct. 29, 1932, No. 30401. Convention date, Sept. 28. [Class 56.] A mould for blowing glassware is made in two parts which are kept in contact with one another, when the mould is closed, by means of yokes pivoted on levers, so that pressure is exerted on each half of the mould at two points. Each half mould M rests on a carriage 1 which runs on rails 2 and is moved along the rails by levers operated by suitable mechanism. A yoke 3 is pivoted at 4 on a part 5 of each carriage 1, and is provided at its ends with rollers 6 which make contact with the exterior of the mould. Thus when the mould is closed, pressure is exerted on each half by the rollers 6 at two points which are separated by a sufficient distance to ensure that the mould closes tightly. On the reverse movement of the carriage, the mould is opened by pins 9 and screws 10 which engage the carriages and the yokes, respectively.
Patent GB-729345-A (GB)
Title: Improvements in the hardening of gelatin
IPC: G03C1/30
Filed: 1952-12-01
Abstract: The methanesulphonic esters, 1 : 2-di- (methanesulphonoxy) - ethane, 1 : 3 - di - (methanesulphonoxy) - propane, 1 : 5 - di - (methanesulphonoxy) - pentane, b ,b 1 - di - (methanesulphonoxy) - diethyl ether and 1 : 6 - di - (methanesulphonoxy)-hexane, used for hardening gelatine, are made by reacting ethylene glycol, trimethylene glycol, pentanediol-1 : 5, diethylene glycol and hexamethylene glycol, respectively, with methanesulphonyl chloride in pyridine at 5 DEG  to 15 DEG  C.ALSO:In hardening gelatine, e.g. gelatine-silver halide photographic emulsions, at least 1 part by weight, preferably 10 parts, of a methane sulphonic ester having the formula CH3SO3-CH2-X-CH2-SO3CH3, wherein X is CH2-O-CH2 or (CH2)n and n is 0, 1, 2, 3 or 4, are added to each 620 parts of gelatine in aqueous solution.  The following esters may be used:-1:2-di (methane sulphonoxy)-ethane, 1:3-di (methane sulphonoxy)-propane, 1:5-di (methane sulphonoxy)-pentane, b , b 1-di (methane sulphonoxy)-diethyl ether, 1:6-di (methane sulphonoxy)-hexane (see Group IV (b)). Formaldehyde or alum may also be added.
Patent GB-694981-A (GB)
Title: Improvements in or relating to incandescent oil vapour lamps of the pressure type
Inventor: IMBER ALFRED GREGORY
IPC: F21V37/00
Filed: 1950-12-13
Abstract: 694,981. Vapour burners. ALADDIN INDUSTRIES, Ltd. Oct. 3, 1951 [Dec. 13, 1950], No. 30455/50. Class 75(i) In an oil vapour incandescent lamp of the pressure type comprising a fuel reservoir 1 on which is mounted an control valve 3, a burner head 11 supported above the reservoir 10, means for supporting an incandescent mantle 15 above the burner head 11, and a burner jet device disposed beneath the head, a fuel supply tube 5 extends upwards from the control valve 3 and serves as the sole support for the burner head, a burner jet 8 disposed axially below the burner head 11 and a jet-cleaning device for said jet, the tube 5 extending through the burner head 11 to form a vaporizer tube 6 of inverted U-formation the opposite arm of which extends downwardly through the burner head 11 and connects with the jet 8. At starting the valve 3 is set to a position allowing a mixture of fuel and air to flow through the vaporizing tube 6 to discharge as an atomized spray from the jet 8 where it is ignited,. but after the tube 6 has been heated sufficiently to vaporize the fuel the valve 3 is turned to a position allowing passage of fuel only. The vapour discharged through the nipple 8 induces air into a mixing tube 14 depending from the ring- shaped mantle holder 16 which forms the upper end of the head 11, the fuel-air mixture being diverted by a transverse baffle through circumferentially arranged perforations in the holder 16. The orifice in the nipple 8 may be cleaned by reciprocating a disc 20 slidable on the tube 5 and connected to a needle 17 passing into the nipple 8 through a gland 19 and a sleeve 18 fixed to a bracket 9. The latter is carried by the tube 5 and is formed as a tray for collecting surplus fuel from the nozzle 8 during the starting operation. The burner may be employed for heating purposes if the mantle 15 is removed.
Patent GB-716888-A (GB)
Title: Improvements in or relating to the treatment of wool to reduce its tendency to shrink
Inventor: EARLAND CHRISTOPHER
IPC: D06M13/402
Filed: 1951-12-31
Abstract: To make it shrink-resistant material consisting wholly or partly of wool is treated with an aqueous solution of N-bromosuccinimide at a pH not greater than 6 and not so low that the wool is subjected to hydrolysis.  The material may also comprise cotton or rayon.  In an example an all wool fabric is immersed in an aqueous solution containing NaH PO4.H2O, acetic acid and N-bromo-succinimide at a pH of 4.0 and after-treated with sodium bisulphite.
Patent GB-716600-A (GB)
Title: Improvements in aircraft
Inventor: GOUGE ARTHUR
IPC: B64C35/00
Filed: 1950-12-13
Abstract: 716,600. Retractable planing bottom for aircraft hulls. SAUNDERS-ROE, Ltd. Nov. 30, 1951 [Dec. 13, 1950], No. 30521/50. Class 4 An aircraft for landing on a rubber mattress and having no undercarriage, is adapted to land and take off on water by means of a retractable watertight planing section. As shown, Fig. 2, the ski 11, is moved from recess 27 by the struts 16, 17 operated by the jack 28. On movement of the ski to the projected position, Fig. 4, the outer portion 33, normally located flat against the sides of the inner portion 32, are moved outwardly by the oppositely screw-threaded portions 21 which engage the nuts 39. In a further embodiment (not shown) the outer parts 33 are operated by a separate jack after the inner portion of the ski has been placed in the projected position.
Patent GB-961945-A (GB)
Title: Improvements in or relating to the treatment of molten steel under reduced pressure
IPC: C21C7/10
Filed: 1960-09-05
Abstract: A method of degassing alloyed or unalloyed steel by the circulation method comprises using a steel in which the silicon content does not exceed 0.10%, i.e. the steel is in the semi-killed state.  After a partial degassification the steel may be killed by a silicon addition and an addition of other alloying elements may be made, e.g. Al, Ti, V. Zr, Ta or B.  The circulatory gas may be argon.
Patent GB-1441874-A (GB)
Title: Sealing devices for preventing unauthorised disconnection
IPC: G01P1/04
Filed: 1974-07-10
Abstract: 1441874 Flexible shafts KIENZLE APPARATE GmbH 10 July 1974 [21 July 1973] 30601/74 Heading F2U  A device for preventing unauthorized disconnection of a flexible shaft comprises a bolt 18 provided with an opening 19 for passing through a seal wire 23, the bolt being used to connect two halves of a coupling 2, 12 arranged on the housing 1 of a measuring or counting instrument and on the flexible shaft 6 respectively. The coupling half 12 may be mounted on the sleeve 8 of the flexible shaft by a spring 15 which is compressed as the coupling half makes a bayonet connection with coupling half 2. When the coupling is made the bolt 18 can be slid through the bayonet connection and aligned with eyes 22 on the coupling half. If desired, the bolt may be provided with two shanks or arranged to embrace the coupling with noses or pins engaging in the bayonet connection.
Patent GB-1009336-A (GB)
Title: Method of and means for the retention of plastics material sealing inserts in valve seating faces of gate valves
Inventor: DICKIE ALAN BAIN
IPC: F16K3/314
Filed: 1961-04-24
Abstract: 1,009,336. Valves. NEWMAN, HENDER & CO. Ltd. Aug. 13, 1962 [Aug. 24, 1961], No. 30625/61. Heading F2V. A method of retaining a synthetic plastic inset D in a groove C of a gate valve closure member A, or its seat, consists of forming a groove C<SP>1</SP> in the outer peripheral surface of the groove C and a corresponding groove D<SP>1</SP> in the insert. A gapped spring ring E is mounted in the groove D<SP>1</SP> and the ring and insert inserted into the groove C. The ring expands into the groove C<SP>1</SP>, as shown in Fig. 2, to lock the insert and a force is then applied to the insert to cause cold flow of the plastic material to fill the space left by the ring in the groove D<SP>1</SP>. In the assembled position, the insert is proud of the surface B. The outer diameter of the ring E, when impressed is less than the outer diameter of the insert D and the depth of the groove C<SP>1</SP> is preferably half the cross-sectional diameter of the ring E. The insert may be made of P.T.F.E.
Patent GB-778717-A (GB)
Title: Improvements in or relating to circuit arrangements embodying electron discharge devices
Inventor: WEBLEY REGINALD SIDNEY
IPC: H01J31/64
Filed: 1953-11-06
Abstract: 778,717. Automatic regulation. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Oct. 28, 1954 [Nov. 8, 1953], No. 30716/53. Class 38 (4). [Also in Groups XL (a) and XL (c)] In a cathode-ray storage tube having separate writing and reading guns (see Group XL (a)) the cathode 8 of the reading gun is stabilized at earth potential by connecting it through a resistor 25 to the grid of a negative feedback " anode follower " pentode 24 having a feedback resistor 29 connected between the anode and grid input. Specifications 714,924 and 756,667, [both in Group XL (a)], are referred to.
Patent GB-291479-A (GB)
Title: Improvements in or relating to the manufacture of hollow rubber articles
IPC: B29C33/76
Filed: 1926-12-04
Abstract: 291,479. Dunlop Rubber Co., Ltd., Twiss, D. F., and Murphy, E. A. Dec. 4, 1926. Moulding by dipping.- Hollow articles such as motor car horns, bulbs, &c., are formed by dipping a fusible soluble &c. former in a concentrated and compounded or merely concentrated dispersion, natural or artificial, of rubber &c. and drying and vulcanizing by a hot or cold process. The former may be removed at any stage after the deposit is partially dried. Instructions are given as to a method of dipping to ensure a uniform deposit in the manufacture of an enema syringe. The former may be made for example of fusible metal, wax, sulphur alone or mixed with dry powders or waxes, soapstone unbaked clay, or sodium thiosulphate and may be driven out by a current of heated gas or liquid. A preferred former for an enema syringe comprises a stainless steel rod a, b, on which are threaded two halves d of a fusible metal shell which is held in position by a loose fitting sleeve e and nuts f. Before use the former is coated with rosin. A valve h permit air to escape from the interior. The deposit is dried in a current of warm air and may then be vulcanized in one operation but is preferably given a preliminary cure for (say) five minutes at 100‹ C. after which the rod a, b is removed and the cure is then finished at a temperature which melts the fusible part of the core.
Patent GB-262470-A (GB)
Title: Improvements in or relating to filter diaphragms for electrolytic purposes
IPC: C25B13/06
Filed: 1925-12-21
Abstract: 262,470. Billiter, J., and Siemens & Halske Akt.-Ges. Dec. 23, 1924, [Convention date]. Diaphragms. - The diaphragm consists of a foundation material of fibrous structure, preferably asbestos, to which a durable filling material free from compounds of any metals which could be separated during electrolysis, is superficially connected by means of a. non-setting binder. The binder may itself constitute the filling material. Suitable filling materials which may also be used as binders for other materials are colloidal calcium fluoride and viscous salt solutions such as those of titanium oxalate and aluminium formate. A colloidal solution of calcium fluoride may be obtained by mixing solutions of calcium fluoride and calcium chloride ; both solutions may be saturated with common salt. In an example, this is mixed with calcium fluoride powder, asbestos powder, and common salt. The product is spread on the foundation material in thin layers and dried layer by layer. The diaphragm is moistened before use. The diaphragm may be protected on the anode side by a layer of glass fleece or glass netting. A glass fabric may also be used as foundation material.
Patent GB-1537199-A (GB)
Title: Intermediates in the preparation of sterols
IPC: C07J53/00
Filed: 1977-07-22
Abstract: Derivatives of 3 alpha ,5 alpha -cyclo-6 beta -alkoxy- DELTA <22>-25-hydroxysterol of the formula <IMAGE> in which R represents an alkyl radical having 1 to 6 carbon atoms and R<1>, R<2> and R<3>, which can be identical or different, represent hydrogen or methyl, are prepared. These compounds are obtained by reacting a 3 alpha ,5 alpha -cyclo-6 beta -alkoxynorcholane aldehyde with a corresponding ylide. The said compounds can be used for preparing 25-hydroxy cholesterol derivatives and 25-hydroxy vitamin D metabolites.
Patent GB-669216-A (GB)
Title: Improved method for the secondary recovery of oil
IPC: E21B43/16
Filed: 1949-12-02
Abstract: 669,216. Oil extraction. OIL RECOVERY CORPORATION. Dec. 2, 1949. [Dec. 9, 1948; June 27, 1949; June 30, 1949; July 6, 1949] Nos. 30994/49, 30995/49, 30996/49 and 30997/49. Class 85. A method for the secondary recovery of hydrocarbons from low-pressure non-free-flowing reservoirs in an oil structure by the injection of CO 2  into the structure in amounts readily soluble in the liquids in the structure to modify the oil by reducing the capillary attraction and absorption of the oil within the structure so that it may be removed by secondary recovery means without the introduction of energy to cause the movement. There is introduced into the structure through an inlet well the minimum amount of CO 2  that will provide in the exit fluids of an outlet well a critical CO 2  oil ratio which is less than 1,000ft<SP>3</SP> of CO 2  at N.T.P. to every pound of oil. This CO 2  may be introduced into the structure with petroleum gases that form from 10 to 80 per cent of the mixture or with water or brine and under a pressure of 600 p.s.i., preferably 800 to 1,500 p.s.i., whilst anti-oxidents, reducing compounds and/or catalysts may be added with the CO 2 . When the CO 2  is introduced into the structure as a solution of carbonated water under pressure the solution has a pH value of 3.3. The structure may be flooded with carbonated brine and CO 2  either together or intermittently, with CO 2  before or after brine, at varying pressures provided at one period the pressure to which the CO 2  is subjected is above 600 p.s.i. The CO 2  in the exit fluids is separated therefrom at the surface, repressurised and recirculated through the structure.
Patent GB-533819-A (GB)
Title: Rotating brush
IPC: A46B13/00
Filed: 1939-11-30
Abstract: 533,819. Brushes. NIELSON, L. H. Nov 30, 1939, No. 31131 Convention date, Dec. 1 1938. [Class 19] A rotary brush is made by placing brush material b while stil wet with cement across a paper band a which is then doubled about a string or wire core c and made into an annula ring. A number of such rings may be cemented together, pressed and dried to form a single brush.
Patent GB-190881-A (GB)
Title: A process for the treatment of yarns
IPC: D06M11/05
Filed: 1921-11-22
Abstract: 190,881. British Research Association for the Woollen & Worsted Industries, Ltd., and Bliss, H. J. W. Nov. 22, 1921. Yarns stretched to enhance shrinkability.-In modifying yarns composed chiefly of wool or hair, to produce fancy or shaped effects in hosiery or ether fabrics made therefrom, the yarn is wetted or moistened, stretched not less than eight per cent of its length in moistened condition and then thoroughly dried while under tension. Its power of shrinking is thus enhanced. The yarn may be heated by steam while in a moist stretched condition, thus producing a yarn of greater permanent length or higher count.
Patent GB-407059-A (GB)
Title: A new or improved sparking plug
IPC: H01T13/46
Filed: 1932-09-12
Abstract: 407,059. Sparking - plugs. JOWITT, J. E., Ascot Lodge, Walton-on-Thames. Sept. 12, 1932, No. 31335/31. [Class 7 (iv).] Spark gaps in series are formed by the use of rods 9 protruding from the insulator between the central electrode 7 and tongues 11 extending from the casing between the rods 9.
Patent GB-1283103-A (GB)
Title: Preparation of polymeric antioxidants
IPC: C08L21/00
Filed: 1969-06-20
Abstract: 1283103 Polymeric antioxidants CIBAGEIGY AG 20 June 1969 [21 June 1968] 31397/69 Heading C3P [Also in Divisions C2 and C5] Polymeric antioxidants are prepared by polymerizing a monomeric ester, thioester, amide or imide of an α,#-ethylenically unsaturated carboxylic acid containing in the moiety attached to the unsaturated carboxylic acyl moiety a phenol group of the formula in the presence of a free radical initiator which is an azo derivative or an aliphatic or cycloaliphatic acyl peroxide. The above monomers may be derived, for example, from acrylic, methacrylic, maleic, fumaric, citraconic, mesaconic, itaconic, crotonic or cinnamic acid. The monomers may be homopolymerized or copolymerized by bulk, solution, suspension or emulsion methods. Mercaptan chain transfer agents can be used to provide low molecular weight polymers (oligomers). Suitable comonomers for preparing copolymers include alkyl (meth)- acrylates, styrenes, vinyl esters, dienes, vinyl ethers, alpha-olefins and N-vinyl monomers; particular examples are methyl vinyl ether, vinyl acetate, styrene, methyl, octyl, dodecyl and octadecyl methacrylates, 1-vinyl naphthalene and N-vinylcarbazole. The polymeric antioxidants are useful in application to synthetic resins, mineral oils, animal and vegetable fats, waxes and rubbers. Examples illustrate their incorporation into polypropylene sheet or film. Synergistic antioxidant effect is obtained by admixing the polymeric antioxidant with distearyl-thiodipropionate or dilaurylthiodipropionate.
Patent GB-382091-A (GB)
Title: Plant for the treatment of vegetable and animal raw materials with an extraction or lixiviation liquid
IPC: C11B1/10
Filed: 1931-11-13
Abstract: <PICT:0382091/III/1> Apparatus for the extraction or lixiviation of animal or vegetable substances comprises three or more extractors 1, 2, 3 interconnected through a multiway cock or distributing device 7 and a heater 4 by which the liquid is transferred in cyclic sequence from one or more vessels to the others.  In an example, the extractors are packed with animal fatty matter or with wood pulp, and liquid is admitted to vessel 1.  After the extraction, the liquid is passed through tube 8, valve 7, pipe 11, pump 6, heater 4, valve 7 and pipe 9 to extractor 2.  Finally it is transferred to extractor 3. The valve 7 may be operated automatically, and the transfer of liquid may be effected by air or gas pressure.
Patent GB-1248998-A (GB)
Title: Roller-locks for the continuous transporation of textile materials into or out of autoclaves
IPC: D06B23/18
Filed: 1969-06-23
Abstract: 1,248,998. Pressure seals for textile treating apparatus. FARBWERKE HOECHST AG. 23 June, 1969 [25 June, 1968], No. 31509/ 69. Heading D1L. A pressure seal for use with a textile treating autoclave 2 comprises a pair of rotatable sieverollers 4, arranged to form a nip allowing the passage of a textile material 1, each roller containing means for producing a suction draft and a stationary cover 5 arranged to ensure that the draft acts only over a region of the roller surfaces between the nip and a lip-lock device 6, 6, which latter is positioned between the nip and the entry to the autoclave. Aspirated gas from the autoclave may be recycled. An excess pressure of up to 5 At. in the autoclave may be tolerated. The sieve drums are preferably fabric-covered.
Patent GB-1500960-A (GB)
Title: Ball friction gearing
IPC: F16H15/40
Filed: 1975-07-29
Abstract: 1500960 Variable speed gear ITT INDUSTRIES Inc 29 July 1975 [1 Aug 1974] 31668/75 Heading F2D In a steplessly variable friction gear, wherein a ball 3 contacts internally at variable radii r1, r2 cones 1, 2 rotating with parallel input and output shafts 4, 5, the cone angle α, measured between the cone surface and a perpendicular to either shaft axis 4, 5, lies between 18 and 28 degrees. A force analysis is given to show that this results in maximum torque capacity.
Patent GB-261205-A (GB)
Title: Improvements in valve mechanisms for fluid pressure motors
IPC: F01L23/00
Filed: 1925-12-15
Abstract: 261,205. Marks, E. C. R., (Federated Engineers Development Corporation). Dec. 15, 1925. Liquid-pressure engines.-A motor operated by gaseous or liquid pressure comprises a piston 15, Fig. 1, the lower surface of which is continually acted on by pressure fluid supplied at 18, while the upper surface is alternately connected to inlet and exhaust by a main valve 35, which is actuated by pressure under the control of pilot valves. 42, which are operated by stops 45. 46 on a rod carried by the piston. In the position of the main valve shown, fluid entering at 18 passes through a passage 30 and through grooves 37<1> in a member 37 fixed to the lower end of the valve 35, to the upper end of the motor cylinder. At the lower end of the stroke of the piston 15, the pilot valves are operated to put ports 48. 49 into communication, so that the pressure, fluid passes to a chamber disposed below a piston 36 on the main valve, and raises it to the position shown in Fig. 2, the movement completing the opening of the port 48, and bringing a. plain portion below the grooves 37<1> into a seat 24 so that the pressure fluid can no longer pass to the upper end of the motor cylinder, which is then connected to the exhaust 31 through grooves 37<1> in a member 37 fixed to the upper end of the valve 35. When the piston 15 reaches the upper end of its stroke, the pilot valves are operated to put the chamber below the piston 36 to exhaust through ports 49, 50, and the main valve is returned. The main valve is provided at each end with a resilient washer 40 adapted to make tight contact with a bead on the seat 24 or 22.