baber/WOPTO huggingface dataset:
Patent GB-1221671-A (GB)
Title: Rotary positive-displacement machine
Inventor: MINNICH WILLY
IPC: F04C2/32
Filed: 1968-02-09
Abstract: 1,221,671. Rotary positive-displacement machines. W. MINNICH. Feb.9, 1968 [Feb.22, 1967; Oct.24, 1967], No.6470/68. Heading F1F. [Also in Division F2] A hydraulic, or compressible-fluid motor has an inner rotor 5<SP>1</SP> on an eccentric fixed-pintle 7<SP>1</SP> and engaging with pairs of spring-loaded blocks 30, 30<SP>1</SP> lodged between fins 12<SP>1</SP> on an outer rotor 2<SP>1</SP>, which has guides 10 attached thereto and mating with a blade 9 secured to the inner rotor so that the rotors are compelled to revolve synchronously in the same direction. Working fluid ducts 6, 18 communicate sequentially with chambers between the fins. The mutual eccentricity of the rotors gives rise to a resultant torque in accordance with the direction of the hydraulic gradient. Each pair of blocks may be replaced by a single block, Figs.2 and 3 (not shown). The rotors may be coupled to each other by way of rotatable shaft that is integral with the inner rotor, the pintle being dispensed with Fig.4 (not shown). The flow of working fluid to and from the chambers may be controlled by a sleeve mounted on the pintle and secured to the outer rotor, Figs.5 and 6 (not shown). Alternatively, the flow is controlled by ducts in a bearing member for the inner rotor, Fig.9 (not shown). The motor may be adapted for use as a pump. In another embodiment, Figs.7 and 8 (not shown), the motor is modified for use as a fluid coupling (see Division F2).
Patent GB-914745-A (GB)
Title: Cylinder heads for internal combustion engines
Inventor: WATTS RICHARD
IPC: F02F1/42
Filed: 1959-02-25
Abstract: 914,745. Induction passages; fuel-injection engines. RICARDO & CO. ENGINEERS (1927) Ltd. Feb. 17, 1960 [Feb. 25, 1959], No. 6494/59. Classes 7(2) and 7(3) To cause the induced or pressure air charge to swirl round the cylinder 3, it passes through a vortex chamber 13 between the intake passage 14 and the inlet port 8. There is an exhaust passage 11 and an inclined fuel injector housing 20 seating in the lower cylinder-head wall and screwing into the upper cylinder-head wall. The chamber 13 may have a slightly inclined or curved axis. According to the Provisional Specification, the chamber neck 15 may be Venturi-shaped and the passage 14 of round or oval cross-section.
Patent GB-215887-A (GB)
Title: Improvements in electric battery cells and in the process of manufacture of same
IPC: H01M12/06
Filed: 1923-03-07
Abstract: 215,887. Oppenheim, R. March 7, 1923. Waterproofing; proofing processes; proofing compositions. -A porous jar a of a galvanic battery is rendered waterproof but permeable to gases by introducing a metal soap into the pores of the jar. This may be done by immersing the jar first in a boiling solution of Marseilles soap and then in a solution of a metal salt such as zinc chloride. In another method the jar is filled with one of the solutions and then immersed in a vessel containing the other solution. The jar may be made of ceramic ware or may consist of a bag of fabric such as hemp, jute, cotton, &c. In the latter case the metal salt employed is preferably in colloidal solution. Specification 211,832 is referred to.
Patent GB-546841-A (GB)
Title: Improvements in the protection of metal portions of gas-making retorts
IPC: C10B1/04
Filed: 1941-05-24
Abstract: 546,841. Retorts for destructive distillation. WOODALL-DUCKHAM (1920), Ltd., BRADLEY, A. W., and CLUBLEY, C. W. May 24, 1941, No. 6670. [Class 55 (i)] A protective coating for a metal portion of a gas-making retort, which portion, such as that between the coke extractor and the coke outlet door, is not subjected to high temperatures, is formed of a layer of cement which adheres to the metal and is built up on a supporting shelf, or on a reinforcing member attached to the retort. The protective coating 13 contacts with a supporting member 7 which comprises a rectangular metal liner the lower edge of which is shaped to conform with the upper surface of a water sealed door 8. Sheets of expanded metal 12 attached to the metal portion of the retort may be used to reinforce and secure the cement lining. The liner 7 is located by screws 10, or by wedges, and the gap 11 between the liner 7 and the retort filled with cement, the screws being subsequently removed. An inclined plate 16 may be similarly covered with a protective coating 18. The top edges 13a of the coating are bevelled off.
Patent GB-910665-A (GB)
Title: Improvements in collapsible tubes
Inventor: BRIGHT JOSEPH ANTHONY
IPC: G01F11/00
Filed: 1961-02-23
Abstract: 910,665. Delivering measured quantities of liquid. NEWTON, CHAMBERS & CO. Ltd. May 30, 1961 [Feb. 23, 1961], No. 6682/61. Class 106 (5). [Also in Group XVII] Opposed walls of a collapsible tube for liquid or paste are welded together along a line 3 to form a metering compartment 4. The tube is squeezed to fill the compartment 4, the user then blocking with finger pressure the passage 6 leading to the main part of the tube while squeezing out the measured quantity from the compartment 4. Various positions for the weld line 3 are described, Figs. 2-5 (not shown).
Patent GB-293887-A (GB)
Title: Improvements in the manufacture and production of hydrocarbons
IPC: C10G47/00
Filed: 1927-03-10
Abstract: 293,887. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). March 10, 1927. Cyclic hydrocarbons.-A product consisting chiefly of aromatic hydrocarbons is obtained by heating with a dehydrogenating catalyst the liquid hydrocarbons obtained by destructive hydrogenation of carbonaceous materials or the distillation or extraction products of these hydrocarbons. Specially effective catalysts are oxides of metals of the sixth group with or without oxides of elements of the third and fourth groups. Other catalysts such as silver, copper, chromium, and nickel alloys, aluminium, iron sponge, porous carbon, zinc sulphide, alumina., pumice, cadmium sulphide, zinc chromate, and palladium may, however, be used. Oxide catalysts are preferably preliminarily treated with hydrogen at elevated temperature. The dehydrogenation may be carried out in presence of hydrogen or water vapour. but when pressure is used the amount of added hydrogen must be small.
Patent GB-798552-A (GB)
Title: Improvements to or relating to distant synchronisation of television equipment
IPC: H04H20/67
Filed: 1955-03-08
Abstract: 798,552. Automatic frequency and phase control systems. SOC. NOUVELLE DE L'OUTILLAGE R.B.V. ET DE LA RADIOINDUSTRIE. March 8,1955 [March 10, 1954], No. 6826/55. Drawings to Specification. Class 38 (4). [Also in Group XL (b)] The system of control of the frequency and phase of the line synchronization pulse generators of remote television camera stations of Specification 737,847 so that the signals received back at a control or monitoring station from all the cameras are in synchronism to facilitate switching over is extended to include phase control in a similar way of the frame synchronizing pulse generators of slave stations when such stations do not have a common phase synchronizing source such as A.C. mains voltage. To this end a second low-frequency oscillation is transmitted by radio link or cable to each of the camera stations, of phase, frequency or amplitude dependent on any lack of synchronism between frame synchronizing pulses received at the control station from the slave station and a monitoring signal at the control station. This second signal may simply consist of one of two or three selectable signals detected at the slave station and used to step control in phase a Schmitt type decade binary counter or other digital frequency divider operated from the line synchronizing pulse generator, certain stages of the counter being preset so that a frame synchronizing pulse is produced every 819 pulses corresponding to the number of halflines in a frame. Specification 749,595 also is referred to.
Patent GB-844040-A (GB)
Title: Improvements in brake assemblies
IPC: F16D51/52
Filed: 1959-02-27
Abstract: A moulded non-metallic brake lining is made from asbestos fibre-45 parts, cotton linters-25 parts, polymerized cashew nut shell oil dust-10 parts with a phenol formaldehyde resin binder making up the remainder by weight.  Specifications 644,447 and 655,842 are referred to.ALSO:A sintered ferrous brake lining consists essentially of iron, graphite in quantities of 20% to 30% by weight, and bismuth in quantities of from 3% to 10% by weight.  In an example disclosed in the Specification, the sintered metallic brake lining is made from a sintered mixture of iron-67 parts, graphite-30 parts, copper-8 parts and bismuth-5 parts by weight.  Specifications 644,447 and 655,842 are referred to.
Patent GB-816353-A (GB)
Title: Improvements in or relating to methods of reducing an unsaturated compound with an alkali metal or alkaline-earth metal
IPC: C07C401/00
Filed: 1957-03-01
Abstract: The invention comprises a method of reducing a compound of the general formula <FORM:0816353/IV (b)/1> wherein R1 designates a hydrogen atom or an aliphatic or aromatic acyl radical and R a saturated or unsaturated aliphatic hydrocarbon radical, which includes the steps of reacting a solution of the compound with an alkali metal or alkaline earth metal in the presence of a compound of the formula NHQ1Q2, wherein Q1 and/or Q2 designate a hydrogen atom or an alkyl or aryl radical, decomposing the reaction product by means of a substance which, under reaction conditions, replaces a metal atom by a hydrogen atom to obtain a compound of the general formula <FORM:0816353/IV (b)/2> and separating the reduced compound from the reaction mixture.  As starting compounds there may be used the free alcohol, the acetate, propionate, butyrate, orthonitrobenzoate or 3,5-dinitrobenzoate esters.  R designates, for example, the side chain occurring in cholesterol and ergosterol.  Suitable metals for carrying out the reaction are lithium, sodium, potassium, and calcium.  The compound NHQ1Q2 may be ammonia, methyl, ethyl and propyl-amine, diethyl, dimethyl or methyl-ethylamine, N-methylaniline, N-ethylaniline and piperidine.  Solvents for the reaction are aliphatic mono and di-ethers, e.g. dimethyl, diethyl, methyl-ethyl, methyl butyl, dioxane, ethers of ethylene or propylene glycol such as dimethyl or diethyl glycol, hydrocarbons, e.g. n-hexane, n-heptane, n-butane, petroleum ether, cyclohexane, benzene and toluene, and liquid ammonia.  The reactivity of the metal may be enhanced in a medium of a secondary amine or an aromatic primary amine by etching in with chlorobenzene or mechanically. Decomposition may be effected with water, methanol, ethanol, propanol, 2-methanol-butanol-2, ethylene or propylene glycol, ammonium iodide, ammonium bromide, ammonium chloride, ammonium nitrate and ammonium sulphate.  In order to avoid the formation of nascent hydrogen excess metal should be removed prior to decomposition, e.g. by oxidation with the potassium, sodium or ammonium salts of nitric acid, perchloric acid, perbromic acid or periodic acid, or by mechanical means.  Purification of the final compound may be effected by chromatography, or by esterification either of the desired compound or of the unwanted by-products, followed by crystallization.  Examples describe the reduction of tachysterol-2, tachysterol-3, pre-ergocalciferol and a radiation product of ergosterol.  Starting compound also mentioned is precholecalciferol.
Patent GB-990390-A (GB)
Title: Polyurethane polymers and process for their preparation
IPC: C08G18/48
Filed: 1962-02-22
Abstract: A polyurethane is obtained by reacting a polyoxalkylene alkyl glocoside with an organic polyisocyanate.  The alkyl glucoside may be the methyl, ethyl, propyl or butyl derivative and preferably 2-90 mols. of ethylene oxide or propylene oxide is used per mol. of alkyl glucoside at a temperature of 200-400 DEG  F. in the presence of an alkaline catalyst, to give a derivative having a molecular weight of 300 and 5000.  Specified polyisocyanates are the toluene and tolylene disocyanates.  A cellular product may be obtained by reacting in the presence a blowing agent, such as trichlorofluoromethane, an amine catalyst such as tetramethyl butane 1,4-diamine, or triethylene diamine, together with stannous octoate.  A silicone emulsifier, lecithin and N-ethylmopholine may also be used.
Patent GB-949210-A (GB)
Title: Improvements in or relating to conveyor installations
Inventor: ORWIN OLAF JOHN BARCLAY
IPC: B65G47/00
Filed: 1959-11-30
Abstract: 949,210. Conveyer systems. FISHER & LUDLOW Ltd. Feb. 27, 1961 [Nov. 30, 1959], No. 6990/61. Divided out of 949,204. Heading B7L. The subject-matter of this Specification is identical with that described in Specification 949,204, but the claims differ. Specifications 819,343, 875,082, 875,083, 949,205, 949,206, 949,207 also are referred to.
Patent GB-185768-A (GB)
Title: Binding shipping packages
IPC: B65B13/28
Filed: 1921-03-03
Abstract: 185,768. Cary, S. C. March 3, 1921. Addition to 126,476, [Class 89 (ii), Hooks &c.]. Wire strainers.-Relates to a method, as described in the parent Specification, of binding packages, and consists in looping wire A around a package B, applying tension by pulling it at two points in opposite directions by rotation of a right- and left-handed screw D, the free end portions a, a<1> being in lapping relationship, and twisting the end portions together at a point between the points of application of strain, thereby reducing the effective length of that part, and resulting in locking the ends under tension. The twisted ends are secured by a staple I. The tension may be sufficient to cause the wire loop to become embedded in the package.
Patent GB-866453-A (GB)
Title: Method of detecting and eliminating flaws in solid material of high molecular order
IPC: G01N23/205
Filed: 1958-03-07
Abstract: 866,453. Piezo-electric crystals. KOCH, H. O. March 7, 1958 [March 9, 1957], No. 7381/58. Class 40(8) Flaws in piezo-electric crystals (e.g. quartz and zinc-blende) and analogous materials of high molecular order are detected and eliminated by subjecting the face of a plate of the material to the influence of an electric field preferably in the presence of a caustic electrolyte and to the influence of X-rays or # radiation. It is stated that both steps in the process may be effective to eliminate crystal-structure faults or may be used to detect such faults so that faulty crystals may be rejected. The method is stated to improve the mechanical strength, chemical resistance, electrical insulation and piezo-electric properties of crystals. Various faults may be made visible by the electrolytic etching process, for which A.C., D.C., or pulsed electric fields may be used. The crystal, in the form of a plate is cemented between the limbs of a twin etching vessel which are filled with a 20 to 40% solution of hydrofluoric acid for quartz or hydrochloric acid for zinc blende. The electrodes are of graphite. Fields of up to 20 kV/mm. either D.C. or at 50 c.p.s., may be applied, the strength of the field and of the electrolyte being varied according to the particular surface of the crystal being examined. Elimination of faults occurs through the rejection of foreign ions from the crystal. A D.C. field of about 20 kV/mm. in the direction of the c axis of the crystal is used for this purpose, and water may be substituted for hydrofluoric acid at the cathode. The elimination of impurities may be subsequently verified by spectroscopic analysis of the remaining electrolyte. The interior of the crystal may be examined using an X-ray Lane camera provided with a tubular stop of 0À3 mm. internal diameter. Comparison of the Lane spot patterns obtained from etched crystals with those obtained from unetched crystals is used to evaluate the effectiveness of the electrolytic refining process. It is stated that the X-ray treatment may be used before or after etching for the elimination of crystallographic faults. For this purpose, the specimen is placed as near to the window of the tube as possible and exposed to the full beam. An X-ray tube having a tungsten anode operated at 50 kV may be used. Faults may also be observed using electrondiffraction methods.
Patent GB-1385321-A (GB)
Title: Pipe fitting
IPC: F16K1/06
Filed: 1971-03-19
Abstract: 1385321 Filter in pipe fitting DYNAMIC CONTROLS LTD 22 May 1972 [19 March 1971] 7404/71 Heading B1D [Also in Division F2] A pipe fitting comprising a flow passage with co-axial parts 15 and 16, a socket communicating with the flow passage at an acute angle and a sleeve 19 whose outer surface is sealed relative to the socket, is provided in the embodiments described with reference to Figures 3 and 4 with a filter element 89. In Figure 4 the sleeve 19, a bonnet and the filter unit form an integral unit.
Patent GB-807801-A (GB)
Title: Improvements in or relating to gland joints for plumbing systems
Inventor: ROGER PERCY NATHANIEL
IPC: F16L23/028
Filed: 1956-03-09
Abstract: 807,801. Pipe joints. FEDERATED FOUNDRIES Ltd. March 11, 1957 [March 9, 1956], No. 7475/56. Class 99(1). A socket member 1a on a soil, &c. pipe 1 has an aperture 1d and a tapered annular wall 1b in which fits a correspondingly shaped rubber, &c. ring 3 of greater internal diameter than the aperture 1d and through which a branch pipe 5 may be inserted to bear on a base 1c so that when a pressure applying member 4 is screwed down, the ring 3 is distorted and while gripping the branch pipe 5 throughout its length is enclosed by surrounding parts except for a small clearance between the member 4 and the branch pipe 5. The member 4 is a gland cap having an annular projection 4a which fits into the recess of the socket member 1a and is secured by screws 2 engaging tapped holes therein. The socket can accommodate pipes of the same diameter but different wall thicknesses, the ring 3 being thin for thick-walled pipes and viceversa. Modifications are described in which the socket member is recessed to receive two or more branch pipes and bolts and nuts may be used in place of the screws 2. Fig. 5 (not shown) illustrates a double apertured socket member formed by a collar having a recess on each side for the reception of in-line pipe ends, rings being fitted as before and secured by gland caps. Fig. 6 (not shown) illustrates a sealing ring in which the tapered face terminates in a flat end face which rests on the base of the socket member and in Fig. 7 (not shown), the ring is further modified by being provided with two tapered faces, one bearing on the correspondingly tapered face of the socket and the other being engaged by a correspondingly shaped face a of gland cap, Fig. 8 (not shown). The joint may be used for metallic and non- metallic pipes and when secured will permit only a slight aligning movement.
Patent GB-939296-A (GB)
Title: Improvements relating to braking systems for colliery winders and the like
IPC: B66D5/26
Filed: 1961-03-01
Abstract: 939,296. Fluid-pressure brakes. ROBEY & CO. Ltd., and A. CROMPTON. April 11, 1962 [March 1, 1961], No. 7561/61. Class 103 (1). [Also in Group XXIX] In an hydraulic braking system for a double drum mine winder in which the brakes are applied by springs or weights and released by hydraulic pressure, a variable pressure relief valve is equipped with actuator means for adjusting the setting of such valve selectively to two or more pro-selected relief valves. As shown " fast " and " loose " drums 1, 2 are provided with brake units 4, 4; 5, 5 of the construction described in Specification 846,555. The brake units have a sliding shoe urged towards a drum by springs (not shown), an hydraulic piston-and-cylinder assembly 6 releasing the brake by forcing the sliding shoe away from the drum. Each brake unit further includes a piston-and-cylinder assembly 7 for pre-adjusting the springs and which may be connected to a pressure line 12 by a selecting valve 9. The valve 9 connects all the brake assemblies 6 to the pressure line 12 during balanced winding when braking is required on both drums but during unbalanced winding a clutch 3 uncouples the drum 2 from the drum 1 and a valve 10 at the same time isolates the assemblies 6 of the brake units 5, 5 from the pressure line 12 so as to apply the brakes 5, 5 to hold the drum 2 stationary. The pressure line 12 is connected to a combined relief and unloading valve 13 controlling the delivery of a pair of twin pumps 14 independently driven by electric motors and drawing hydraulic liquid from a reservoir 15. The pressure in line 12 is reduced to apply the brakes by a manually controlled relief valve 16. Also in circuit are two relief valves 19 and a relief valve 17. The latter is adjustable to two settings by an hydraulic actuator 17a which is connected to an hydraulic pilot circuit by a solenoid 17b during balanced winding to increase the setting of the valve 17 to a higher relief pressure. The valves 19, Fig. 2, comprise a spring-loaded adjustable relief valve 20. During balanced winding when zero pressure is not required in line 12 the spring loading of the valve 20 is increased by energizing a solenoid 32 to connect the actuator 26 to the hydraulic pilot circuit to move the piston 27 down a distance determined by adjustable stop-nuts 29a. Piston 22 moves downwardly to increase the spring-loading of valve 20. If a solenoid 25 is energized to connect the actuator 24 to the pilot circuit the piston 22 moves downwardly to increase the spring loading of valve 20 so that it will relieve at a pressure not less than the maximum attainable in line 12.
Patent GB-1045172-A (GB)
Title: Gas turbine
IPC: F02C3/045
Filed: 1963-03-26
Abstract: 1,045,172. Gas turbine plant; turbines. R. BAR. March 26, 1963, No. 7631/63. Headings F1G and FIT. A gas turbine plant comprises a doublesided rotor carrying axial and radial flow compressor blades 11, 14 respectively and peripheral turbine blades 15 driven by gases flowing through nozzles 18, 18<SP>1</SP> from a pair of combustion chambers C on opposite sides of the rotor. The compressed air is supplied to the combustion chambers C from the compressors through passages 17, 17<SP>1</SP> to be burnt with injected fuel.
Patent GB-559111-A (GB)
Title: Improvements in and relating to heat-sealing rubber hydrochloride surfaces
IPC: B29C65/04
Filed: 1942-06-05
Abstract: 559,111. Uniting surfaces of rubber hydrochloride. WINGFOOT CORPORATION. June 5, 1942, No. 7691. Convention date, Feb. 26. [Class 70] [Also in Groups XI and XVII] Surfaces of rubber hydrochloride are united by pressing them together while being heated by being placed in the dielectric field of a high frequency circuit. In forming a cup for drinking purposes or for packaging butter, jam &c. of paper 1 covered by an adhesively secured film of rubber hydrochloride 2, the sidewall is folded at the bottom to form a lip 6 into which a lip 7 on the base 4 fits. The base rests on a soft rubber block 10 having a concave top and is pressed by a conical block 15 fitting inside the cup. A heating-ring 19 surrounding the base is formed of a copperstrip coil 20 embedded in plaster of Paris or other dielectric and connected to a vacuum tube oscillator. The inner turns of the coil are flush with the inner surface of the ring. The contacting surfaces of the films on the body and base of the cup are caused to coalesce.