baber/WOPTO huggingface dataset:
Patent GB-806176-A (GB)
Title: Valve-operating mechanism for overhead valve internal combustion engines
IPC: F01L1/12
Filed: 1956-07-06
Abstract: 806,176. Valve gear. AUSTIN MOTOR CO., Ltd., and MOMTCHILOFF, I. M. June 28, 1957 [July 6, 1956], No. 21044/56. Class 7(6) [Also in Group XXII] A valve rocker for overhead-valve engines is formed as a steel pressing with an arcuate valve-contacting portion 12 at one end and a part-spherical bearing 11 at the other end seated on a spherical fulcrum 15 which is adjustable to vary valve clearance. The rocker is pressed from a sheet steel blank comprising a stem portion with an enlarged disc-like portion at one end, the stem portion being pressed into channel section to provide the portions 10, 12 and the disc portion being pressed into the hemispherical shape 11 The fulcrum 15 has a stem 16 screwing into a boss 17 on the cylinder head, the adjusted position being secured by nuts 20, 21. The portion of the rocker contacted by the cam 19 may be hardened, or coated with "Stellite" (Registered Trade Mark) or have a strip of hard metal or alloy brazed thereto.
Patent GB-570512-A (GB)
Title: Improvements in or relating to under water welding
IPC: B23K9/00
Filed: 1943-12-15
Abstract: 570,512. Uniting by fusion. HUNTING, P. L., BOWRING, F. C., and BOOT, R. H. F. Dec. 15, 1943, No. 21056. [Class 83 (iv)] Overhead arc welding is effected under water by connecting the electrode to the positive terminal of an electric circuit connected to a supply which affords an open circuit voltage higher than that normal for welding in air, e.g. 80 to 100 volts, the voltage characteristics being so adjusted that the voltage falls rapidly with increase of current becoming about 30 volts with a welding current approximately 15 to 20 per cent less than that normal with the same size of electrode in air. The electrode may be provided with a thick flux coating and is held at an angle of about 30 degrees to the line of weld with the flux touching the work, so that a line weld may be completed by slight pressure on the electrode at right angles to the surface of the plates without moving the electrode along the seam. Two plates #" thick were lapped and overhead welded by a fluxcoated electrode having a core diameter of 5/32" and an overall diameter of 9/32" connected in a circuit having an open circuit voltage of 80 volts, the generator being such that on striking the arc the voltage fell to 30 volts with welding current of 160 amperes. Specification 559,033 is referred to.
Patent GB-1244594-A (GB)
Title: A keyboard for calculating machines, accounting machines, teleprinting machines or the like
Inventor: BRETTI FRANCO
IPC: H04L13/16
Filed: 1970-05-01
Abstract: 1,244,594. Keyboards for printers. ING. C. OLIVETTI & C. S.p.A. 1 May, 1970 [9 May, 1969], No. 21098/70. Heading B6F. Combination selective mechanisms.-A keyboard providing coded output comprises keys 11 pivotable about axes 17 and each operating on depression to shift a corresponding setter plate 22 longitudinally so that code projections 83, 84 on the plate 22 overlie cooling vanes 86, the longitudinal movement of the plate acting through a universal bar 69 to activate a onerevolution clutch (61, Figs. 1, 3) and thereby to initiate rotation of a shaft 59 whereby universal bars 44, 45, now engaged in recesses 42, 43 of the plate, urge the plate downwardly to set the vanes 86 according to the code projections 83, 84 on the plate 22. The vanes 86 position ferromagnetic levers (103, Figs. 1, 4, 5) with respect to permanent magnets (104) and corresponding reed switches (106) to produce a coded electrical output when a further ferromagnetic lever (134) is operated through a lever 52 acting on a further lever (118) to rotate a shaft 112. The plate 22 is returned by the upward return movement of the bars 44, 45 and rightward movement of a universal bar 79. Interlocks between keys.-If two keys 11 are depressed simultaneously, code projections 83, 84 on the respective corresponding plates 22 will act against each other so that the respective vane 86 takes up an orientation parallel to the plates 22 and limits the downward travel thereof. The shaft 112 is then not rotated so no output signal is issued, and furthermore the keyboard is locked by continued engagement of the lever (118) with a lug 121 of the lever 52 and consequential maintenance of the bar 46 in engagement with the recess 43 of the plates 22. The keyboard may be unlocked by a further key (14, Fig. 3).
Patent GB-168053-A (GB)
Title: Improvements in dust caps for tyre valves and the like
IPC: B60C29/06
Filed: 1921-08-10
Abstract: 168,053. Schrader's Son, Inc., A., (Assignees of Kraft, H. P.). Aug. 23, 1920, [Convention date]. Dust-caps for tyre valves.- A dust-cap for tyre valves formed of longitudinal sections joined together and to a continuous foot portion has the internal diameter of the foot portion less than that of the cap portion. The sections C, D, which have strengthening-ribs F, are seamed together at F and are formed with flanges K at the bottom. The foot part B, which screws on to the valve casing I, is adapted to fit in the hole in the wheel felloe and has a flange G adapted to bear against the wheel. The flanges on the cap part are held against the flange G by a flange L, which is notched to engage the ribs F and seams E to prevent relative movement of the two parts.
Patent GB-412430-A (GB)
Title: Improvements in or relating to the electro-plating of aluminium
IPC: C25D5/44
Filed: 1933-07-28
Abstract: Aluminium or an alloy thereof is prepared for electroplating by a treatment whereby the film of oxide normally covering its surface is converted into aluminium hydride.  This may be done by heating the article above 115 DEG  C. and subjecting it in the presence of a small quantity only of water to the action of an acid reagent which attacks the metal with formation of hydrogen. Hydrochloric acid or a concentrated solution of aluminium chloride are suitable reagents. When basic or easily dissociating salts of aluminium are included in the reagent they supply part of the aluminium hydroxide taking part in the reaction.  The reagent may be applied by immersion of the article and rapid withdrawal or by spraying, or may be applied as a humidified vapour.  The quantity of water present must be insufficient to remove the salts of aluminium formed by the reaction.ALSO:Aluminium or an alloy thereof is prepared for electroplating by a treatment whereby the film of oxide normally covering its surface is converted into aluminium hydride.  This may be done by heating the article above 115 DEG  C. and subjecting it in the presence of a small quantity only of water to the action of an acid reagent which attacks the metal with formation of hydrogen. Hydrochloric acid or a concentrated solution of aluminium chloride are suitable reagents.  When basic or easily dissociating salts of aluminium are included in the reagent they supply part of the aluminium hydroxide taking part in the reaction.  The reagent may be applied by immersion of the article and rapid withdrawal or by spraying, or may be applied as a humidified vapour.  The quantity of water present must be insufficient to remove the salts of aluminium formed by the reaction.
Patent GB-1392538-A (GB)
Title: Pasta products
IPC: A23L7/109
Filed: 1972-05-08
Abstract: 1392538 Pasta UNILEVER Ltd 8 May 1972 [13 May 1971 10 April 1972] 21341/72 Heading A2B In the preparation of pasta by forming a dough of water and finely divided farinaceous material at least partly derived from wheat, shaping, and drying, at least part of the wheat-derived material is cooked treatment prior to incorporation in the dough.
Patent GB-485433-A (GB)
Title: Improvements in and relating to shoes
IPC: A43B9/02
Filed: 1937-08-03
Abstract: 485,433. Boots and shoes. SCHRODER, H. Aug. 3, 1937, No. 21406. Convention date, Aug. 3, 1936. [Class 17 (ii)] The stitches g which connect the upper c of a shoe and a leather outer sole a pass through the bevelled margin of a rubber midsole d which takes the place of bottom filling, the edge of the midsole being concealed from view by a correspondingly bevelled welt strip f which also is attached to the outer sole a through the rubber midsole by a separate seam h. The rubber layer d, which may extend over the whole shoe, or at intervals only, is vulcanized to the midsole and forms an elastic connection between the shoe upper c and outer sole a which protects the sewing thread against rubbing when the sole is flexed during walking.
Patent GB-1075983-A (GB)
Title: Divisible box assembly
IPC: B65D5/54
Filed: 1965-05-20
Abstract: 1,075,983. Divisible box; bundling. W. ERNST, [trading as WILHELM ERNST]. May 20, 1965 [June 3, 1964], No. 21437/65. Headings B8C and B8P. A divisible box is formed from two independent boxes 10, 11 secured together by a tie-strip having a tear-strip 21 secured to it to facilitate separation of the boxes. The tear-strip 21 consists of a thread or threads adhered to the underside of the tie-strip. The tie-strip has cuts (24) which form a gripping tongue, Fig. 5 (not shown). The outer flaps 13, 17 of the boxes 10, 11 are cut away in the region of the tear-strip, Fig. 2 (not shown), and the tie-strip is secured to the underside of the flaps 13, 17 by adhesive or staples. In an alternative embodiment the flaps 14, 19 are secured to the tie-strip (30), Fig. 6 (not shown), the bottom closure flaps may also have a tie-strip. The tie-strip may have a width equal to the width of the boxes.
Patent GB-1224896-A (GB)
Title: An improved diver's watertight watch
Inventor: SOGUEL RENE
IPC: G04B37/10
Filed: 1968-05-07
Abstract: 1,224,896. Watches. R. SOGUEL. May 7, 1968 [May 9, 1967], No.21590/68. Heading G3T. A diver's waterproof watch includes a winding and setting crown 1 provided with a cavity 2 having a recess 8 in which is mounted two resilient packing rings 9,10 extending between the pendant 3 and the outer wall of the recess 8, and two less resilient rings 11, 12, one being interposed between the rings 9, 10 and the other closing the cavity 2. The rings 11 are provided with projections 16, 17 engaging, the rings 9, 10 to hold the latter in position when the crown 1 is moved axially and also to bend the rings 9, 10 so that they engage the pendant 3 in the manner shown.
Patent GB-1280106-A (GB)
Title: Preparations od polyaddition products of polyepoxides, processes for their manufacture and use
IPC: C08G59/22
Filed: 1970-05-05
Abstract: 1280106 Epoxy amine reaction products CIBA-GEIGY AG 5 May 1970 [7 May 1969] 21596/70 Heading C3B [Also in Divisions D1 and D2] Stable reaction products are obtained by reacting (I) a polyglycidyl ether of a polyhydric phenol, which is liquid at room temp., with (II) an aliphatic or cycloaliphatic diprimary amine at 100-120‹ C. in the absence of solvents. From 3-5À5 amine group equivalents of II are used per epoxide group equivalent of I. The resultant product is then reacted at <100‹C., in the presence of a solvent (III) with an epoxy compound (IV) in a ratio of 2-5 amine equivalents per epoxide equivalent of IV. Not later than the completion of reaction, an acid, e.g. acetic acid or formic acid, is added so that the product has a pH of 2-8 on dilution with water. I may be a polyglycidyl ether of bisphenol A having an epoxide content of at least 5 epoxide group equivalents per kg. II may be a cycloaliphatic amine containing a saturated 5- or 6-membered carbocyclic ring, a H 2 N-group bonded to a ring carbon atom and a H 2 NCH 2  group bonded to another ring carbon atom, e.g. 3,3,5-trimethyl-1- amino-3-aminomethylcyclohexane or 1-amino-2- aminomethylcyclopentane. III may be solvent which is completely miscible with water, e.g. the n-butyl mono ether of ethylene glycol. The products are useful in rendering wool non-felting and as sizing agents in paper manufacture.
Patent GB-1038607-A (GB)
Title: Powdered emulsifiable concentrate having utility as a biocide and method of making same
IPC: A01N25/14
Filed: 1965-05-21
Abstract: An emulsifiable concentrate powder comprises a monomolecular clathrate compound of a biocide with a degraded, at least partially cyclodextrinized starch, at least portions of the molecules of the biocide being included within the cyclodextrin molecular structure of the starch.  The degraded starch, at least 30% by weight of which may consist of molecules containing 4-8 glucose residues, may be made by treating starch with 1% H2SO4 at 150 DEG  F. for 1 hour or by soaking the starch in water for about 1 day.  The concentrate may consist of 5-60% by weight of biocide, 40-90% by weight of starch and 1-10% by weight of an anionic or non-ionic emulsifier, such as a sulphonate, alkyl phenol polyoxyethylene ether or arylalkyl polyether alcohol. The biocide may be a herbicide, wood perservative or an insecticide such as DDT, parathion, methyl parathion toxaphene, benzene hexachloride, chlordane, borax or carbamates.  The concentrate powder may be dissolved in water and used to spray plants.ALSO:An emulsifiable concentrate powder comprises a monomolecular clathrate compound of a biocide with a degraded, at least partially cyclodextrinized starch, at least portions of the molecules of the biocide being included within the cyclodextrin molecular structure of the starch.  The degraded starch, at least 30% by weight of which may consist of molecules containing 4-8 glucose residues, may be made by treating starch with 1% H2SO4 at 150 DEG F. for 1 hour or by soaking the starch in water for about 1 day.  The concentrate may consist of 5-60% by weight of biocide, 40-90% by weight of starch and 1-10% by weight of an anionic or non-ionic emulsifier, such as a sulphonate, alkyl phenol polyoxyethylene ether or arylalkyl polyether alcohol. The biocide may be a herbicide, wood-preservative, or an insecticide such as DDT, parathion, methyl parathion toxaphene, benzene hexachloride, chlordane, borax or carbamates.  The concentrate powder may be dissolved in water and used to spray plants.
Patent GB-1357724-A (GB)
Title: Apparatus for detecting the evolution of gas from the cell' of a lead-acid battery
IPC: H01M10/48
Filed: 1970-05-05
Abstract: 1357724 Battery charging systems SEVCON ENG Ltd 4 May 1971 [5 May 1970] 21677/70 Heading H2H [Also in Division H4] Apparatus for detecting the evolution of gas from the cells of a lead-acid battery on charge comprises a chamber having an inlet adapted for connection to the cells and having an outlet, the apparatus being arranged so that gas in the chamber is replaced with ambient air at a predetermined rate and having an electronic circuit for sensing changes in the velocity of sound in the gas/air mixture in the chamber. In the Fig. 1 embodiment for detecting the evolution of gas and for controlling the charging rate the gas (hydrogen) enters tube 8 via inlet 34 and emerges at outlet 40, inlet 34 being coupled to the battery vent plug by a flexible tube 74 with a bung (not shown) on its end. The bung incorporates a micro-switch (coupled to leads 76, 78) which opens to give an indication by the electronic circuit, if the tube becomes detached from the battery. Tube 8 is inclined with its outlet end higher than its inlet end so that as the hydrogen passes through tube 8, ambient air enters tube 8 at the predetermined rate (optionally through a small hole in inlet 34). The electronic circuit is transistorized (details given, Fig. 4, not shown) and includes a multivibrator (104, 114) controlling the energization of transducer 10 to emit acoustic pulses repeated at the multivibrator repetition frequency, amplifier stages (170, 180) for amplifying the resulting pulses from receiving transducer 12, a stage (156) providing constant width reference pulses at the multivibrator repetition frequency, a bi-stable circuit (190, 192) which is " set " by the leading edge of a said reference pulse (i.e. at the acoustic transmission instant) and " reset " by the amplified received pulse, a NAND gate (218) providing an output signal between the resetting and the reference pulse trailing edge, and a Miller integrator (238, 242, 244) for integrating the gate output to give (at 250) a voltage dependent on the gate output signal duration and hence on the transit time of an acoustic pulse through tube 8. This voltage, which increases as more hydrogen is evolved, may be arranged to control the charging-rate of a battery charger to reduce the rate abruptly or progressively as charging nears completion, or may be used to give a visual or audible signal. Plastics films 52, 56 protect the transducers from battery acid attack.
Patent GB-324646-A (GB)
Title: Improvements in or relating to gramophones
IPC: G11B3/46
Filed: 1928-10-25
Abstract: 324,646. Hall & Co., Ltd., W., and King, G. B. Oct. 25, 1928. Divided on 315,737. Supplying needles from magazines. - In a gramophone having automatic means for discharging spent needles and replacing them by fresh ones, the magazine for holding the supply of needles comprises a body 1, one side 2 of which is attached by a hinge 3 while the other side 4 is secured by screws, the side 2 being locked by a pivoted bolt 33 engaging a lug 37. The body 1 is provided with a recess for receiving a needle package 7 and the side 2 contains a plate 8 pressed by springs 9 against the side of the package, the needles 15 being guided between ribs 31, 32 on the plate 8 and body 1, respectively. The package comprises a metal clip 24 containing the row of needles retained in parallel relationship between lugs 25, 26, and is positioned in the magazine by holes 27 in the clip which engage pins 28 in the body 1. The magazine is supported on a recessed basemember 38 and is adapted to be locked thereto by a lever 41 pivoted to the base and engaging the top of the magazine, a spring 42 coacting with flats 43, 44 on the lever so as to maintain it in either the locking or released position. A drum 17 journaled on a pin 19 is connected by a flexible member 16 to a pusher 13 slidable in the body 1 and having spaced fingers 14 extending through slots 55 in the body 1 so as to engage behind the row of needles, a coiled spring 18 arranged in the drum tending to rotate the latter so as to feed the needles to an ejecting plunger 48. A finger-piece 21 attached to the pusher projects through a slot in the plate 4. whereby the pusher can be withdrawn and held by a spring catch 56 when it is required to recharge the magazine, the catch being thereafter released either by hand or by means associated with the lever 41. The plunger 48, which ejects the end needle through a hole in the clip 24, is carried by a head 47 secured to a spring-pressed pin 45, the head being engaged normally by a spring finger 50 carried by a plunger 51 reciprocated by the gramophone. When, however, the lever 41 is moved into released position, a crank arm 52 thereon is turned so as to move the finger away from the head 47, thus allowing the magazine to be removed from the base for recharging. When the magazine is replaced and locked on its base, the finger 50 will automatically ride over an inclined face 49 on the head 47 and again engage the latter. Specification 324,397, [Class 94 (i), Packing &c.], is referred to in the Complete Specification, and Specifications 315,737 and 315,903 are referred to in the Provisional Specification.
Patent GB-738657-A (GB)
Title: Improvements in or relating to oil immersed electric circuit breakers
IPC: H01H33/75
Filed: 1952-08-28
Abstract: 738,657. Liquid-blast switches. SOUTH WALES SWITCHGEAR, Ltd., and BUTTREY, R. N. July 9, 1953 [Aug. 28, 1952], No. 21688/52. Class 38 (5). An arc control device for an oil - immersed switch comprises a tubular member 1 secured at one end to a fixed contact 2 and closed at the other end by a centrallyapertured block 4. A block 6 divides the tubular member into a primary chamber surrounding fixed contact elements 2a and into a compensating chamber. The block 6 has a radial bore 7 communicating with an aperture 8 in the wall of the tubular member, an aperture 9 coaxial with the aperture in the block 4 and a larger aperture 10 eccentrically disposed with respect to the aperture 9. When the switch is opened by the withdrawal of the moving contact 11, the pressure produced by the arc in the primary chamber causes a stream of oil or gas to flow through the aperture 10 into the bore 7 and through the aperture 8 so providing a cross blast. If the arc is not extinguished by the time the movable contact has passed downwardly through the aperture 9, the pressure produced in the compensating chamber causes an upwardly directed stream of gas or oil to assist in extinguishing the arc.
Patent GB-588304-A (GB)
Title: Means for discharging material into vertical kilns and for like purposes
IPC: F27B1/20
Filed: 1944-11-06
Abstract: 588,304. Charging furnaces. GREEN, E. W. Nov. 6, 1944, No. 21713. [Class 51 (ii)] [Also in Group XXX] - Means for charging vertical kilns comprises a container the base 11 of which is slidable with respect to the sides 12 and means for supporting the container when the base is withdrawn, said means comprising fixed stops 24, whose inclined upper faces 25 engage inclined rails 23 attached to the outside of the container. The container 12 is mounted on a trolley which comprises the base 11. If desired the container may be additionally raised by a tackle 18. The container may be equipped with a grating 41 such that materials, e.g., slurry may be briquetted before kilning. The walls of the container may also be lined with fire tiles, or absorbent materials such as chalk or other porous blocks.
Patent GB-832829-A (GB)
Title: Improvements in or relating to the production of calcium carbonate
IPC: C01F11/18
Filed: 1957-07-09
Abstract: Calcium carbonate having an average particle size of 1 micron or less is prepared by contacting an aqueous solution of a calcium salt with a stoichiometric excess of ammonium carbonate, with agitation at a temperature from 20-40 DEG  C., in the presence of a minor amount of calcium carbonate seed having a particle size between 0.03 and 0.15 microns and being of a size less than that of the desired product. The calcium carbonate seed may be added to the reaction mixture or to one of the reactants.  The ammonium carbonate employed has an ammonia to carbon dioxide molar ratio of two or more and preferably in the range of 2 to 2.2.  Calcium chloride is normally employed as a calcium salt.  The reactants may be mixed rapidly, for example by pouring a measured quantity of one reactant into a measured quantity of the other or the addition of one reactant may be made slowly over a period of 20 to 30 seconds to the bottom of a vessel containing the other reactant.  Specifications 533,509 and 625,102 are referred to.