baber/WOPTO huggingface dataset:
Patent GB-683583-A (GB)
Title: Improvements in or relating to methods of building thin-walled constructions
IPC: E04B1/32
Filed: 1951-01-18
Abstract: 683,583. Walls. BRICE, L. P. Jan. 18, 1951 [Jan. 18, 1950], No. 1430/51. Class. 20(iv) [Also in Group XIII] A thin wall of double curvature is formed by placing in position in successive courses prefabricated elements of double curvature and of general quadrilateral form with the general direction of the courses extending along one of the diagonals of the elements. Thus one course is constituted by elements 1a, 1b &c. defining a saw-tooth junction line and the next course of elements 2a, 2b &c. is connected by two adjacent edges to two elements of the previous course. The elements may interengage as in Fig. 3 by means of tenons 3 and mortices 4 with reinforcements 5 in longitudinal grooves in the parts 3 and 4 and mortar, preferably quick setting, completing the joint. The elements are preferably secured during the setting of the mortar by means of channel section abutment members 8 supported on bolts 7 passing through holes 6 in the elements. The abutment members may be in the form of strips shaped in accordance with the curvative of the surface, and a flexible coating may be provided on the contact faces of the members. Ducts or tubes may be provided in the elements and reinforcements passing through the ducts may be used as an alternative means to secure the elements during the setting of the mortar. The reinforcement may be retained temporarily on the free edge of the elements, tensioned temporarily to ensure correct positioning by forcing the newly laid element against the previous course. The reinforcement 15 may be looped and such that the loop projects slightly, when adjacent elements are joined by a keying device 14 passing through the loops, e:g. as in Fig. 6, wherein the joint between elements 12, 13 is completed by injecting mortar into the cavity 11. Each quadrilateral element may be formed from two triangular elements with the junction upright. Hyperbolic cooling towers may be thus constructed.
Patent GB-413358-A (GB)
Title: Means for increasing and limiting the voltage of a direct electrical current
IPC: H02M7/62
Filed: 1933-01-16
Abstract: 413,358. Transformers; converting ; electromagnetic interrupters. JANSEN, H. E. C., Eudunda, South Australia. Jan. 16, 1933, No. 1447. Convention date, Feb. 5, 1932. [Class 38 (ii).] Relates to means for supplying high tension and low tension D.C. to wireless sets from a low voltage D.C. source, and comprises an electromagnetic interrupter actuated by and adapted to interrupt the primary circuit 1 of an induction coil having a secondary winding 2 shunted by a glow discharge tube 30. The secondary winding may be used for supplying high tension current through a rectifier 41 and smoothing arrangement 42, 43 as shown in Fig. 2, low tension current being taken from the low voltage source 40 supplying the primary circuit of the induction coil. Alternatively, the interrupter and coil 1 may be connected in series with the primary of a separate transformer 33 having secondaries for supplying low voltage A.C. for filament heating and for supplying high tension D.C. through a rectifier 37 and smoothing arrangement 34, 35. A glow discharge tube 46 is connected across the output terminals to limit the voltage applied to the load circuit. The interrupter comprises an adjustably fixed contact 25 co-operating with a moving contact 14 carried by a spring-urged member 15. The latter is arranged to be struck by a spring reed 6 maintained in vibration by the primary coil 1. The interrupter and its associated windings are housed in a sound-reducing casing.
Patent GB-1122466-A (GB)
Title: Complex esters
Inventor: FOWLER BENJAMIN THOMAS
IPC: C07C67/08
Filed: 1966-01-12
Abstract: Complex esters are prepared by reacting the acidic and alcoholic reactants in the presence of an ester or salt of a phosphorus-containing acid.  The ester is derived from the reaction of at least three different compounds, each having at least one carboxylic or hydroxy group, and at least one contains two or more carboxylic groups, and another contains two or more hydroxyl groups. Many mono- and poly-carboxylic acids or ether acids, monohydric and polyhydric alcohols and polyol ethers are listed and the preferred phosphorous compound is tributyl phosphate.  The esters may be acid or glycol centred and the reaction may be in one or two stages and an esterification catalyst such as p-toluene sulphonic acid or sulphuric acid may be present.  Examples describe the reaction of adipic acid, neopentyl glycol and tributyl phosphate followed by a treatment with pelargonic acid and the ester is washed with sodium carbonate, isopropanol, heptane and water.  Specific esters mentioned are derived from adipic acid, neopentyl glycol and pelargonic acid; sebacic acid, neopentyl glycol and caprylic acid; sebacic acid, trimethylol propane and caprylic acid; sebacic acid, neopentyl glycol and 2,2,4-trimethyl pentanol; and azelaic acid, 2,21-diethyl 1-3 propane diol, and 2,2,4-trimethyl pentanol.
Patent GB-1350362-A (GB)
Title: Heterogeneous metallic compositions suitable for use as contact materials
IPC: H01H1/02
Filed: 1972-01-12
Abstract: 1350362 Sintered infiltrated composites SIEMENS AG 12 Jan 1972 [13 Jan 1971] 1525/72 Heading C7D [Also in Division H1] Composites suitable as contact material for vacuum switches comprise a sintered high melting metal such as W, Re or Mo impregnated with a lower melting metal such as Ag or Cu which is degassed and diffused with a metal having a higher vapour pressure. Diffusion is effected in a protective gas such as A or N 2  which has a low solubility in the impregnant and diffused metal. The diffused metal may be Bi, Cd, Ga, In, Pb, Sn, Te, Cu-Te or Cu-Bi and diffusion is preferably effected at a temperature 20-240‹ C above the melting temperature of the impregnating metal or of the alloy formed between it and the higher vapour pressure metal.
Patent GB-536913-A (GB)
Title: Reactivation of hydrogenating catalysts
IPC: B01J23/94
Filed: 1940-01-25
Abstract: 536,913. Reactivating catalysts. HOUDRY PROCESS CORPORATION. Jan. 25, 1940, No. 1530. Convention date, Feb. 24, 1939. [Class 1 (i)] Hydrogenating catalysts are reactivated by subjecting them to at least one sequence of oxidizing and reducing steps at elevated temperature, e.g. 850-1100‹ F., and thereafter to at least one sequence of such steps at a lower temperature, e.g. below 700‹ F. The final reduction may be continued while cooling down to the temperature of the hydrogenation reaction. Specifications 304,654, [Class 1 (i)], 345,496, 345,511, 346,967, 414,779, 449,050, 456,091, 471,930 and 471,931 are referred to.
Patent GB-908027-A (GB)
Title: Methods of, and apparatus for, the automatic winning of coal, particularly hard coal, by the use of ploughs
IPC: E21C27/34
Filed: 1959-01-16
Abstract: 908,027. Coal-mining apparatus. BERGWERKSGESELLSCHAFT WALSUM. Jan. 16, 1959 [Feb. 1, 1958], No. 1722/59. Class 68 (1). In coal-mining apparatus in which ploughs 11, 12 move independently of one another along prescribed parts of a conveyer 10 extending along and in front of a coal face 17, separate drives 13, 14 for the plough haulage means are arranged adjacent one another at appropriate positions between the ends of the conveyer and are so associated that the tractive forces exerted by adjacent haulage means driven thereby are in opposition and self-cancelling so that the conveyer frame is unstressed by said haulage means. The drives may be directly connected to one another, or to a common section of the conveyer frame, or to individually spaced-apart sections of the frame.
Patent GB-620531-A (GB)
Title: Improvements relating to holders for electric lamps
IPC: H01R33/46
Filed: 1947-01-20
Abstract: 620,531. Lamp-holders. AIRSPEED, Ltd., and BROOKESMITH, F. Jan. 20, 1947, No. 1810. [Class 38 (i)] The screwed socket b of a lamp-holder is movable axially to test the lamp to a degree limited by a pin-and-slot connection d, e, it being normally urged outwardly by a spring h, to a position wherein a flange l engages a contact strip n to complete the normal lamp circuit, the other connection being through a spring- pressed centre contact g. If the socket b is depressed, a flange p thereon engages a strip o and completes the lamp-testing circuit, the main circuit being broken at contacts l, n. The strips o, n, are carried in grooves in an insulating member c, which is externally threaded to receive a cover w, and are connected to metal inserts s, t, in the member c.
Patent GB-107543-A (GB)
Title: Improved Printing Machine with an Action in Part Pneumatic.
Inventor: WINKLER CARL
IPC: B41F21/06
Filed: 1916-07-04
Abstract: 107,543. Winkler, C. July 4, 1916. Cylinder machines; rotary machines; gripper mechanism.-In a printing-machine having pneumatically operated means, such as sheet receiving, delivery, or feed devices, in which an air-tight suction or pressure chamber or chambers are arranged within the frame of the machine, the chamber or chambers are cast as part of the machine framing or base. Filters may be provided between the airpump and the chambers. As shown applied to a cylinder flat-bed machine, the pressure chamber n and the suction chamber t are cast as part of the base of the framing o, and are connected by pipes m and s respectively with the pressure and suction sides of an air-pump e driven by the motor l of the machine. The chambers are connected by pipes p and w with the devices to be actuated. Filters r, u may be provided as required in the connecting pipes.
Patent GB-432039-A (GB)
Title: Improvements in or relating to telephone systems
IPC: H04Q3/00
Filed: 1934-01-19
Abstract: 432,039. Automatic exchange systems. STANDARD TELEPHONES & CABLES, Ltd., Connaught House, Aldwych, London.- (Kozma, L., and Roome, F. A.; 4, Rue Boudewyns, Antwerp, Belgium) Jan. 19, 1934, No. 1947. [Class 40 (iv)] A substation circuit includes a rectifier which can be connected in or out of circuit as required in order to provide service-restricting means which may be removed at will, the exchange apparatus being provided with means operative when particular numbers are dialled to test the calling loop for the presence of such restricting means. In the arrangement shown, an attachment unit AB for a substation comprises a rectifier R connected in series in the line and having in shunt with it a condenser C to pass speech currents and a key K which may be closed by a privileged person such as the proprietor of a cafe. If the first two digits dialled are 01, 02 or 05, a relay Lr in a register-controller operates over register wipers rm11, rm21, and reverses the connections over the loop so that if a rectifier R is in circuit at the calling substation, relay Is falls back and releases the register-controller. In an alternative arrangement, the rectifier is connected to ground over the key K and either off-normal contacts of the dial or a choke to prevent interference with speech, this connection when present causing the unbalancing of a differential relay connected between booster battery and earth and substituted for the normal feed relay when a special - service connection is dialled. The operation of the differential relay releases the forward connection and connects up NU tone.
Patent GB-1420871-A (GB)
Title: Storable oxirane-imide resin precursors
IPC: C08G59/68
Filed: 1973-01-15
Abstract: 1420871 Curing catalyst AEROJET-GENERAL CORP 15 Jan 1973 [14 Jan 1972] 1974/ 73 Heading B1E [Also in Divisions B5 and C3] A curable oxirane-imide composition (see Division C3) contains a catalyst composition which comprises a chromium III tricarboxylate having active unoccupied coordination sites, but which sites are occupied in the composition by benzoate; a trinaphenate. The organic liquid which is unreactive to the oxirane and the imide. The composition is cured by removing the organic liquid, e.g. by heating, and thus freeing the active coordination sites on the chromium salt. Suitably, the composition comprises the oxirane, imide and chromium salt all dissolved in the organic liquid. The chromium salt may be the trihexanoate; tripentanoate; tributyrate; tri-(2-ethylhexanoate); tridecanoate: trioleate; tri-(2-octanoate); tritoluate; tribenzoate; a trialkylbenzoate or trialkoxybenzoate; a trinaphenate. The organic liquid may be N, N-dimethylformamide; tetrahydrofuran; methanol; ethanol; dioxan; dimethylsulphoxide; dimethylsulpholane; tetramethyl; urea; N, N-dimethyl acetamide; N-methylcaprolactam; N-methylpyrrolidone; nitroalkanes, e.g. nitroethane; or nitroaromatics, e.g. nitrotoluene or nitrobenzene.
Patent GB-505932-A (GB)
Title: Improvements in and relating to wheel mountings
IPC: B60B37/10
Filed: 1938-01-21
Abstract: 505,932. Wheel bearings. YALE & TOWNE MANUFACTURING CO. Jan. 21, 1938, No. 2032. Convention date, April 27, 1937. [Classes 12 (i) and 144 (i)] A wheel for an industrial truck is mounted on the outer race ring 20 of an antifriction bearing fixed to the stub axle 17, and is detachably secured thereto by a ring 27 engaged by screwed bolts 25 passing through the rim portion of the wheel. The perimeter of the ring 27 is conical and is received in a corresponcling recess in the wheel. The wheel comprises an integral cap-like structure completely enclosing the axle end.
Patent GB-1180055-A (GB)
Title: A Process for the Modification of a Surface of an Artificial Material.
IPC: B26F1/28
Filed: 1967-01-16
Abstract: 1,180,055. Discharge-treatment of surfaces. D. ERBEN. 16 Jan., 1967 [14 Jan., 1966], No. 2157/67. Heading H1X. The surface of an artificial material such as a plastics or other dielectric material 5 is modified to increase its adhesive qualities by treatment with a discharge produced between electrodes 11 and 12 so as to contact the surface, but of insufficient intensity to heat the material to a weldable condition. The discharge may be pressed on to the surface by an additional external force, e.g. a magnetic or electric field, or a gas flow to which liquid, gaseous or pulverized additives may be supplied to coat the surface. Plastics surfaces may be treated to improve the adhesive qualities or may be heated for welding purposes. Metal surfaces may be treated, e.g. coated with plastics. The arrangement shown comprises a coaxial cable 6 with interrupted inner conductor 7, 7<SP>1</SP> and outer conductor 8, 8<SP>1</SP>. High voltage is applied to electrode 11 by way of the capacitive coupling 7-8<SP>1</SP>-7<SP>1</SP>. Electrode 12 is earthed by a connection 16 to outer conductor 8. Tubes for the supply of gas may be provided on two sides of the arrangement (Figs. 3 and 4, not shown) and an insulating cover may enclose the whole unit which may be held in the hand. For treating large surfaces a number of the units may be mounted side-by-side, or an alternative construction (Figs. 5 to 7, not shown) may be used in which two rows of electrode pins are capacitively coupled to metal plates connected to a high voltage source, both pins and plates being embedded in layers of dielectric material forming an elongated open chamber to which gas is admitted. An earthed wire (24) extends along the chamber opening between the rows of pins. An equivalent construction is described (Fig. 8, not shown) in which the electrode pins and plates are provided by the inner and outer conductors of two rows of coaxial cables. In further modifications (Figs. 9 and 10, not shown) one or several auxiliary electrodes are provided to initiate the discharge and an additional electrode is provided below the workpiece to attract the discharge to the surface.
Patent GB-538612-A (GB)
Title: Improvements in or relating to suction cleaners
IPC: A47L5/26
Filed: 1940-02-06
Abstract: 538,612. Handles. HOOVER, Ltd. Feb. 6, 1940, No. 2317. Convention date, March 6, 1939. [Class 61 (i)] [Also in Group XXVIII] The handle 21 of a vacuum cleaner which is yieldingly held in the usual angular position by a roller 29 on a spring pressed pivoted detent lever 30 coacting with end notches 26, 27 and longer central notch 28 in the segmental plate 25 is locked against movement relative to the casing 10, when the machine is lifted, by an arm 32 on the wheel support 15 which, under the influence of gravity and a spring 20, is tilted causing the end of the arm 32 to move under the detent lever 30 and hold it positively in engagement with the notches of the sector 25.
Patent GB-210619-A (GB)
Title: Improvements in shuttle box mechanism for looms for weaving
IPC: D03D43/00
Filed: 1923-01-29
Abstract: 210,619. Foulds & Son, Ltd., T., and Riley, W. Jan. 29, 1923. Change-box motions; shuttle-boxes. -In looms having horizontally-movable change boxes a shuttle box C is used comprising two shuttle compartments c', c<2> formed by adjustable brackets C', C<2> screwed to a slide C<3>. The box is moved to place one or the other compartments into operative position by means of levers A carrying hooked levers D, D', which are connected by lever mechanism to dobby levers. The hooked levers D, D' may thus be allowed to fall into position to engage a stationary bar H whereby as the lay moves one or the other lever D, D<1> is operated and the levers A are turned to move the shuttle box. The bar H can slide in slots h against the action of springs h<2> in case a shuttle jambs. The levers A are provided with a balance weight W and engage spring-controlled notched bars B<2>. The brackets C, C<2> are provided with springs c<3>, c<4>. A modification is described wherein the levers D, D' are controlled from a separate pattern cylinder. The slide C<3> moves through slots in the lay. According to the Provisional Specification, the shuttle may be operated by straps or cords or by a bar or double lever, and the shuttle box has a division plate furnished with a spring, the movement of the box being limited by stops.
Patent GB-550472-A (GB)
Title: Automatic control apparatus for temperature, fluid pressure or humidity
IPC: G05D23/275
Filed: 1942-02-27
Abstract: 550,472. Automatic control systems; electric resistances. DRAYTON REGULATOR & INSTRUMENT CO., Ltd., and GROVER, R. V. Feb. 27, 1942, No. 2596. [Class 38 (iv)] [Also in Group XXXVI] Temperature; variables in general.-In a system for controlling temperature, humidity or fluid pressure wherein. a reversible electric motor is controlled through a Wheatstone bridge or potentiometer resistance, with or without a relay, the resistance is constituted by a bobbin w having turns spaced similarly to grooves on a bar k which is periodically depressed to engage a pointer d deflected, for example, in accordance with temperature changes by a thermostat c. When a deflection occurs sufficient to cause the pointer to engage a new groove, the pointer is depressed against the sloping side e of a slot in a sliding bar f carried on rollers g, whereby a brush h on the bar is shifted into contact with another turn on the resistance bobbin. The thermostat may be mounted on a base a, which is adjustable to change the leverage of the pointer d, and carries a pointer q, scale r, and pinions s, t whereby the controlled temperature may be determined.
Patent GB-1040641-A (GB)
Title: Improvements in phase-shift bridges
IPC: H03H7/20
Filed: 1964-01-21
Abstract: 1,040,641. Phase shifting. COMPAGNIE GENERALE D'ELECTRICITE. Jan. 21, 1964 [Jan. 22, 1963], No. 2678/64. Heading H2F. The Specification relates to phase-shifting bridge circuits using as a variable impedance a semi-conductor diode with an adjustable direct bias voltage across it. A phase-shifting bridge (Fig. 3, not shown), comprises identical impedances Z 1 , Z 2 , capacitor C and a variable resistance consisting of the elements within the chain line 4 to which a control bias is applied by a D.C. source Ud. The input voltage Ua is preferably about 40mV. The diodes 5, 6 are so poled as to conduct current from the generator Ud, and the current Ia6 in diode 6 determines the operating point of the diode (whose current-voltage characteristic is given in Fig. 4, (not shown), and hence its dynamic resistance, that is the slope of its current voltage characteristics when the current has the value Ia6. The effective dynamic resistance between O and P is calculated in the Specification. A single diode may be used (Fig. 5, not shown), but higher control power is required. The capacitor is polarized by the diode, and may therefore be an electrolytic type. In another embodiment (Figs. 7 and 8, not shown), the capacitor of Fig. 3 is replaced by an indicator L, and the variable resistance comprises two diodes in series opposition, each biased into conduction by a common generator. Diodes may also be connected in series with resistors r 21 , r 22  (Fig. 8, not shown).
Patent GB-1413261-A (GB)
Title: Doping of insulating layers
IPC: H01L21/31
Filed: 1974-01-21
Abstract: 1413261 Semi-conductor devices SIEMENS AG 21 Jan 1974 [22 Feb 1973] 02683/74 Heading H1K A method of doping a first insulating layer 1 on a semi-conductor body 3 and covered with at least one further insulating layer 2, comprises introducing a dopant into the first layer 1 by ion implantation through the further layer 2. The first layer 1 is silicon dioxide and the further layer 2 is silicon nitride. The ions are H<SP>+</SP> and implanted at an energy of 70 keV. to a density of 3-10<SP>15</SP> cm<SP>-2</SP>. After doping, the body is heated to between 400-500 C.
Patent GB-584897-A (GB)
Title: Improvements relating to jacketted containers and pans
IPC: B01B1/00
Filed: 1945-02-03
Abstract: 584,897. Boiling pans. CLARK & CO., Ltd., T. & C., and GRIFFITHS, J. H. Feb. 3, 1945, No. 2775. [Class 64 (i)] [Also in Group XXII] A jacketed container or pan for use in the chemical, food manufacture, brewing or like industry has the jacket detachably secured to a flange welded to a ring plate surrounding the container and secured thereto by a tubular member. The pan and jacket may thus be separated for inspection purposes. To the pan 10 are welded annular tubular members 13, 17 of different diameters to which are welded at 14 and 18 a conical ring plate 11 to the end 19 of which is welded the flange 12 for bolting to a similar flange carried by the jacket. The end 19 projects below the member 17 so as to prevent strains on the other parts during welding of the flange 12. The pan is provided with a glass or enamel lining immediately after attaching the members 13, 17 thereto, and during the subsequent welding operations water may be circulated through the tubular members. Knee plates 20 may be welded at intervals to the ring plate and flange and perforated lugs 21 provided to which bolts or arms may be pivoted for fastening a cover over the pan. Specification 472,068 is referred to.
Patent GB-964445-A (GB)
Title: Machine for sprinkling powdered sugar and similar substances
IPC: A23G3/20
Filed: 1962-01-25
Abstract: 964,445. Sugaring biscuits &c. ATELIERS DE CONSTRUCTION GUILLAUME OOMS S.A. Jan. 25, 1962 [Dec. 6, 1961], No. 2946/62. Heading A2A. Biscuits &c. B on a conveyer 64 are sprinkled with sugar from the perforated base of a container 1 having stirrers 9 and scrapers 10, which are moved intermittently, through gearing 13-14, by an electric motor 16. The distance between the container 1 and the biscuits &c. may be varied by adjusting screws 24, 25 on the container's scissor-type suspension 36-37, 46-47.