baber/WOPTO huggingface dataset:
Patent GB-957820-A (GB)
Title: Improvements in and relating to spot welding machines
IPC: B23K11/10
Filed: 1962-09-30
Abstract: 957,820. Welding by pressure; welding by fusion. BRITISH OXYGEN CO. Ltd. May 30, 1962 [June 1, 1961], No. 20813/62. Heading B3R. In a spot welding machine comprising a welding electrode and a return current electrode located on the same side of a workpiece, one of the electrodes is carried by a support mounted for rotation about an axis perpendicular to the workpiece, the electrode is spaced from the axis to contact alternative points of the workpiece and the other electrode is mounted on the same support or on the axis extending through the support. For welding brackets &c. to a metal sheet coated with insulating plastic a welding machine comprises a pneumatic cylinder 14 moving a piston 13 with a hollow piston rod in which is arranged a spring pressed rod 19 carrying a spot welding electrode 12. A cylindrical casing 21 is carried on the end of the piston rod and houses an annular bearing ring 23 formed with a return current electrode 25. Current is supplied to the electrodes by conductors 26, 27. In a modification a spot welding electrode is supported at one end of an arm pivoted for rotation in a horizontal plane about a piston rod and a spring pressed return electrode is mounted at the other end of the arm at the same distance from the pivot. The welding electrodes may be for resistance welding or gas shielded arc spot welding with consumable or non-consumable electrodes and may be water cooled. Magnetic force means may be provided for resistance welding to apply forging pressure. The apparatus may be suspended from overhead rail tracks. In spot welding a top hat metal section 43, Fig. 3, to a metal sheet 44 a welding electrode 41 and return electrode 42 are mounted on an arm 39 pivoted to a piston rod 40 at unequal distances from the pivot point. The piston rod is arranged in line with the axis of the top hat and the apparatus lowered to effect a weld on the right hand flange 45. The apparatus is raised, the arm 39 rotated and a second weld is made on the left hand flange.
Patent GB-968209-A (GB)
Title: The production of polymerisable salts of xylylene diamines and dicarboxy acids and their polymerisation
IPC: C07C209/48
Filed: 1961-06-08
Abstract: Salts of xylylenediamines and dicarboxylic acids (mole ratio 1:1) are produced by hydrogenation in presence of known hydrogenation catalysts of a solution or dispersion of a mixture of cyano-compound (1 mole) and dicarboxylic acid (0.9-1.1 mole) in a solvent for both reactants e.g. water or an aqueous alcohol solution.  The cyano-compound is one or more of m- and p-cyanobenzylamines and iso- and tere-phthalonitriles. Acids used in examples are adipic, sebacic, succinic, and iso- and tere-phthalic but others are mentioned in the Specification.  The salts may be converted into the corresponding monoamides by heating their aqueous solutions at above 200 DEG C.ALSO:Polyamides are produced by heating aqueous solutions of xylylene diamine/dicarboxylic acid salts (1:1 molar ratio) under autogenous pressure at above 200 DEG C. until converted to the corresponding monoamides and heating the resulting solution of the latter, optionally in presence of a copolymerizable compound, under a pressure not above atmospheric to evaporate the water and effect polymerization of the amide.  Exemplified acids are adipic, sebacic, succinic, and iso-and tere-phthalic, but others are mentioned. The diamines are m-, p- or mixtures of the two; the copolymerizable compound may be caprolactam.
Patent GB-771274-A (GB)
Title: An improved casing tube clamp for large-hole borings
IPC: E21B19/12
Filed: 1955-07-19
Abstract: 771,274. Boreholes. BADE & CO., GES. July 19, 1955 [July 20, 1954], No. 20841/55. Class 85. A casing tube clamp for large boreholes consists of a welded steel plate housing in two parts 1 comprising an annular inwardly open cavity which receives a lining, in the form of interchangeable segments 3 of wood, plastic material or the like, held in position by bolts 4. The two parts are pressed together by means of a pair of pressure medium actuated reciprocating pistons 8 or rotary pistons. Releasable spring loaded catches 12 are provided between the two parts 1.
Patent GB-1057539-A (GB)
Title: Counterbalance linkage
IPC: B41J23/06
Filed: 1964-05-20
Abstract: 1,057,539. Typewriters. SPERRY RAND CORPORATION. May 20, 1964 [May 31, 1963], No. 20869/64. Heading B6F. [Also in Division F2] Downward movement, against a spring bias, of a typewriter key 113 due to accidental inertia forces is prevented by a balance weight 125. Balance weight 125 forms part of link 117 which with link 99 pivotally mounts key 113 for vertical movement. On depression of key 113 an extension 93 thereof swings pawl 81 clockwise to engage a continuously driven ratchet 75, thus driving spring pawl-mounting sleeve 57 clockwise about a fixed tube 59. Link 53 connected to sleeve 57 moves through levers 39, 35, 27, 23, the type key 11 clockwise. Pawl 81 is disengaged from ratchet 75 on engaging the end of a slot 71 in the tube 59.
Patent GB-674126-A (GB)
Title: Improvements in and relating to looms
IPC: D03D51/34
Filed: 1949-08-11
Abstract: 674,126. Weft stop-motions for looms. COURTAULDS, Ltd., and THOMPSON, G. Aug. 10, 1950 [Aug. 11, 1949], No. 20898/49.. Class 142(iii) A two-by-one box loom for weaving a two-by-two mixed weft is provided with a delayed action stop mechanism comprising an L-shaped member 1 which is released from the inoperative position, shown in full lines, by the action of a weft-feeler mechanism at the plain box end when the shuttle is almost exhausted, and which when released is temporarily supported between the operative and inoperative positions by a projection 12 on the weft fork hammer 6 while the weft fork hammer completes about half an oscillation. The member 1 is then allowed to fall to its operative position, shown in dotted lines, in the path of the projection 12 and is struck by it upon the return of the weft fork hammer to actuate the loom stop handle so that the loom comes to rest with the exhausted shuttle in the plain box end. The hammer 6 makes two complete oscillations to each four picks, but each oscillation is separated from the previous by a dwell period corresponding approximately to a pick. Specifications 357,161, 456,182, 466,787 and 466,844 are referred to.
Patent GB-1189164-A (GB)
Title: Signal Receiver
IPC: H04Q1/453
Filed: 1967-05-05
Abstract: 1,189,164. Voice frequency signal receivers. INTERNATIONAL STANDARD ELECTRIC CORP. 5 May, 1967 [12 May, 1966], No. 20925/67. Heading H4R. A U.F. signal receiver includes a first limiter D1, D2 followed by a second limiter in parallel with one or more tuned circuits C4, L1 and C5, L2, the second limiter having a threshold level dependent upon the level of signals applied to it and consisting of a rectifier bridge D3 to D6 having an R.C. element across its D.C. path. For received U.F. signals above a certain level, the voltage at the R.C. element unblocks diode D7 to unblock the tuned circuit rectifying- amplifiers T3, T5 and T4, T6 which supply one input to AND-gates Af1 and Af2. The other input to the AND-gates is supplied by Schmitt trigger T7, T8 and time delay Z after the other input to either gate has existed for a certain length of time.
Patent GB-1024254-A (GB)
Title: Hydraulic transmission systems
Inventor: IFIELD RICHARD JOSEPH
IPC: F16H61/46
Filed: 1962-05-31
Abstract: 1,024,254. Differential control; hydraulic transmission of power. JOSEPH LUCAS (INDUSTRIES) Ltd. May 16, 1963 [May 31, 1962], No. 20981/62. Headings F2C and F2D. An hydraulic transmission for a motor car comprises an engine driven pump supplying hydraulic fluid to a pair of reversible motors in turn driving two road wheels, each flow line to one of the motors having a restriction connected by a duct to the two sides of a pressure-actuated device which, on a fall in the pressure supplied to one of the motors, restricts the flow to that motor. Thus wheel spin of the motor car is controlled. As shown, restrictions 37, 38 are provided in pipes 31, 32 supplied from an engine-driven pump 30 feeding reversible hydraulic motors 33, 34. The restrictions 37, 38 are connected by ducts 39, 40 to opposite sides of a diaphragm servo 43 controlling a valve spool 45. Pressure reducing valves 57, 58 transmit an upper boost pressure from the feed pipes of the motor 33 through a pipe 59 to a galley 65 in the valve spool 45, and pressure reducing valves 60, 61 transmit a lower boost pressure from the feed pipes of the motor 34 through a pipe 62 to galleries 63, 64 in the valve spool. In the equilibrium position shown, upper boost pressure 59 is fed through the valve spool 45 to ducts 66, 67 and to the rear faces of spring-biased control valves 68...71, kept closed in opposition to liquid pressure fed in through ports in their stems from the pipes 31, 32. Should one of the road wheels spin, reduction in pressure at the corresponding restriction 37 or 38 causes the diaphragm servo 43 to slide the valve spool 45 up or down, thereby disconnecting the appropriate control valve 68 ... 71 from upper boost pressure 59 and instead connecting it to lower boost pressure 62, so that the control valve moves and protrudes its stem into the supply pipe 31 or 32 feeding the facing motor 33 or 34.
Patent GB-595610-A (GB)
Title: Improvements in or relating to apparatus for handling and working flowing molten glass
IPC: C03B5/167
Filed: 1944-10-27
Abstract: In apparatus for handling and working molten glass, e.g. an extrusion die, at least that part which is in contact with the glass is constructed of a material consisting of a compacted and sintered agglomerate of platinum or of an alloy thereof with up to 20 per cent of rhodium or of nickel, the materials to be agglomerated being initially in a finely divided condition.  The agglomerate may also contain, uniformly distributed throughout it, from 0.01-10 per cent of a stable refractory oxide selected from the oxides of thorium, calcium, magnesium, strontium, beryllium, barium, zirconium, hafnium, aluminium, cerium, titanium, lanthanum, praseodymium, neodymium, illinium, samarium, europium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutecium, scandium, yttrium, vanadium, niobium, tantalum and chromium.  The walls of extrusion die in accordance with the invention may consist of an agglomerate of about 80-99 per cent of platinum from 1-20 per cent of rhodium or nickel and 0.1-1 per cent of thorium oxide.  Specifications 542,438, 575,998 and 578,956 are referred to.
Patent GB-1431196-A (GB)
Title: Floor heating systems
IPC: F24D3/14
Filed: 1973-05-03
Abstract: 1431196 Floor heating systems A KOLLMAR and A FEIST 3 May 1973 [3 May 1972 16 March 1973] 21069/73 Heading F4U A floor heating system for a room of a building comprises loops of a hot-water pipe embedded in the room flooring, the spacing of the pipe loops varying such that the arms of the pipe loops are more closely spaced adjacent the outside and interior walls as compared with those at the central floor zone. Hot water from the inlet 16 of the heating system passes around the loops adjacent the wall before proceeding to the central floor zone. An additional pipe 30 may be placed directly adjacent the walls of the room.
Patent GB-995538-A (GB)
Title: Method for disintegrating wood intended for the production of pulp
IPC: D21B1/00
Filed: 1964-05-21
Abstract: A method of disintegrating wood intended for the production of pulp is characterized in that the wood is subjected to a cleavage-producing compression acting substantially perpendicular to the direction of the fibres.  The compression is preferably carried out on fresh wood the water content of which is not more than 15% below the standard Specification for newly felled timber.  The compression may be performed in a hydraulic press or an excentre operated crushing mill or by rolling or it may be performed by hammering or stamping to produce stresses exceeding the breaking strength of the wood.  The compression may be carried out on wood, from which the bark has not been removed and crushed parts of the bark removed between two or more compression steps.  The wood may subsequently be sawn into lengths suitable for the manufacture of pulp.  Alternatively, the wood may be subjected to a further crushing treatment or to treatment in edge mills or disc refiners to yield a mechanical pulp or the wood may be subjected to treatment by chemicals to produce a chemical pulp.
Patent GB-599090-A (GB)
Title: Bipolar electrolyser
IPC: C25B9/20
Filed: 1945-08-17
Abstract: 599,090. Electrolytic cells. MASCHINENFABRIK OERLIKON. Aug. 17, 1945, No. 21090. Convention date, Oct. 11, 1944. [Class 41] In a filter press-type bipolar electrolyser, e.g. for the generation of hydrogen and oxygen, the longitudinal gas ducts consisting of metal rings 4 separated by insulating rings 6 are clamped by bolts 9 between end-plates 10 independently of the cell block, the ducts being connected to the appropriate chambers of the cell by adjustable tubes 13 which may be flexible or provided with flexible packing at the connections ; a lye duct 5 is similarly mounted. The tubes 13 may be arched for resilience and provided with flanged connections, the arch angles being preferably 80-180 degrees. The Specification as open to inspection under Sect. 91 also describes apparatus in which the ducts and the cell block are clamped between common end-plates. This subject-matter does not appear in the Specification as accepted.
Patent GB-724505-A (GB)
Title: Plunger pumps for conveying hot liquids
IPC: F04B15/04
Filed: 1953-07-29
Abstract: 724,505. Reciprocating pumps. SULZER FRERES SOC. ANON. July 29, 1953 [Aug. 27, 1952], No. 21096/53. Class 102 (1). In a pump for hot liquids, the plunger 1 passes through a stuffing-box 7 and enters, with clearance, a cylinder 3. At mid-stroke of the plunger, the distance between the end face 8 and the packing in the stuffing-box is greater than twice the stroke of the plunger. A cooling jacket 11 may surround the cylinder 3 and its length is from 0.8 to 1.2 times the distance between the end face 8 of the plunger and the packing in the stuffing-box when the plunger is at mid-stroke. The outlet 13 of the cooling jacket may be connected to a cooling device 14 for the plunger or alternatively the plunger may be provided with cooling passages.
Patent GB-499795-A (GB)
Title: Improvements in or relating to metallised dielectrics and electric condensers
IPC: C23C14/20
Filed: 1937-07-30
Abstract: 499,795. Condensers. BOSCH AKT.- GES., R. July 30, 1937, No. 21108. Convention date, Aug. 24, 1936. Drawings to Specification. [Class 37] For producing metallized dielectrics, materials such as paper have applied to them an insulating layer to fill up pores and hollows and a layer of metal is then deposited by a vacuum process. Lacquer may be used for covering with or without an admixture of filling materials such as quartz powder and may be applied by spraying at high pressure. The paper used may have incorporated in it additional substances such as titanium compounds to increase the dielectric constant.
Patent GB-159796-A (GB)
Title: Improvements in double fold soft cuffs for shirts or similar garments
IPC: A41B7/10
Filed: 1920-07-13
Abstract: 159,796. Hallpike, C. R. July 13, 1920. Shirt cuffs.-A double-fold soft cuff for shirts or other garments is provided with two button or link holes c in its lower part b and four button or link holes e in the upper part, so arranged that the cuff may be folded to give in succession two wearing edges without exposing the dirty edge or the buttonholes not in use, and without varying the length of the cuff to an inconvenient extent.
Patent GB-336009-A (GB)
Title: Improvements in or relating to conveyer-driers
IPC: F26B17/04
Filed: 1929-07-10
Abstract: 336,009. Owen, B. J., and Davies, R. O. July 10, 1929. Endless-band conveyers, fibrous, granular, and plastic material carried on; air and gases, controlling direction of flow and circulation of.-A conveyer drier in which the material traverses several compartments on a, band has a separate fan serving each compartment capable of dealing with the requisite volume of drying agent for its compartment and independently regulated as to speed. The fan serving the compartment containing the driest material communicates with a controlled supply of heated or preheated air while the subsequent fans are separately connected each to its respective compartment and to the previous compartment. Re-heating gases are also supplied in regulated quantities to each compartment for mixing with the drying air. The supply ducts and discharge ducts joining the various fans to the compartments taper from the fan end to the full extent of the compartment. The initial supply of air is drawn by a fan e<3> from a steam heater l provided with a damper or regulator (not shown), and is blown through the compartment a<3>, from which it is again drawn by a fan e<2> into a discharge duct g<2> simultaneously with a separate supply of reheating gases, mixed there with bv the action of the fan and then blown into compartment a<2>. From here it passes in a similar manner into compartment a<1> where the material is wettest, to be discharged therefrom by way of an exhaust g into the atmosphere or for further use in reheating. The reheating gases are derived entirely or partly from a chain grate stoker h', the discharge ducts g<1>, g<2> being in independent communication therewith through conduits k<1>, k<2>. The gases from the exhaust g are led to the heater l to be used again with atmospheric air. Exhaust steam is used for the heater but some of the reheating gases from the stoker h<1> may be drawn by the fan e<3> into the feed duct f. If excess exhaust steam is available a corresponding surplus quantity of atmospheric air may be admitted into the heater l by a branch m<3> of the supply pipe m and then utilized for re-heating the gases blown out of compartments a<3>, a<2>. The various compartments are proportioned according to the required relative velocities of the drying agent passing therethrough and partition plates p<1>, p<2> divide the side in which the drying agent is admitted sc as to apportion the volume of gas according to the moisture content of the material. Specifications 334,940 and 334,952 are referred to.
Patent GB-772483-A (GB)
Title: Improvements in or relating to continuous process for alkylation of phenols
Filed: 1953-07-31
Abstract: A continuous process for the production of alkylated phenols comprises first reacting a phenol and an olefin with a boron halide to form a catalytically active reaction product containing alkyl phenolic compounds and active boron halide catalyst and then continuously feeding separate streams of boron halide and a premixed boron-halide-free mixture of phenol and olefin in a mol. ratio of phenol to olefin not greater than 1.0 : 0.95 into a reaction zone containing a body of said catalytically active reaction product having at any instant a relatively large volume in relation to that of the fresh feed, and continuously removing a portion of said reaction product from the reaction zone.  Part of the withdrawn product is preferably recycled, the recycled portion being cooled and admixed with additional catalyst before it enters the reaction zone. The preferred catalyst is boron trifluoride. The olefin starting materials are preferably straight or branched-chain mono-olefins having 4 to 20 carbon atoms and polymers thereof, e.g. propylene, tripropylene, butylenes, diisobutylene, triisobutylene and amylenes. Phenol starting materials include phenol; alkylphenols; naphthols; ester, keto and aldehyde substituted phenols; and naturally occurring phenols, e.g. those obtained by alkaline extraction of petroleum stocks, from cashew nut shell liquid and from coal coking.  The olefin and phenol are preferably employed in equal molecular proportions. In the examples phenol is alkylated with a C7 copolymer of propylenes and butylenes, a C9 polypropylene and diisobutylene, in the latter case to give tert.-octyl phenol.
Patent GB-358596-A (GB)
Title: Improvements in and connected with chilling, freezing, and de-frosting of foodstuffs
IPC: A23L3/36
Filed: 1930-07-15
Abstract: 358,596. Cooling meat and fish; coldstorage rooms; ; preserving food. ZAROT. SCHENZEFF, M. T., 324, Gray's Inn Road, London, and LIVERPOOL REFRIGERATION CO., Ltd., Colonial House, Water Street, Liverpool. July 15, 1930, No. 21388. [Class 29.] In systems for chilling and freezing or thawing and defrosting foodstuffs by subjecting them to an atmosphere of a brine or like fog, the treatment chamber 1 is fitted with a number of pipes 2 through which a refrigerating medium such as an expanded gas or a thawing medium is circulated. In addition, a coil 11 may be provided for cooling the brine or other liquid, which collects in a sump 14, before it is circulated by the pump 10 through filters 8 back to the nozzles 6 for producing the fog. The liquid may be replaced by fresh liquid from time to time. Specification 339,172, [Class 29, Cooling &c.], is referred to.
Patent GB-947857-A (GB)
Title: Improvements relating to electrical hygrometers
IPC: G01N27/22
Filed: 1959-06-23
Abstract: 947,857. Measuring electrically. J. L. SHAW. June 21, 1960 [ June 23, 1959], No. 21423/59. Heading G1N. A humidity sensitive capacitor comprises a metal base provided with an insulating surface layer having pores or capillaries extending part way through from its outer surface and filled with an aqueous solution of a hygroscopic substance, the layer being covered with a water vapour permeable conducting layer. In the preferred method of manufacture of the element an aluminium wire is anodised to form a surface layer having pores, this layer is covered, e.g. by graphite or by vacuum deposition with a layer of gold, the hygroscopic solution being painted over the anodised layer, or alternatively over the conducting layer if the layer is water permeable. The hygroscopic solution may be lithium chloride, calcium chloride, or chromium oxide. The element may be connected in an A.C. bridge circuit. Acccording to the Provisional Specification the device is heated before use in a very dry atmosphere or may be heated in situ.
Patent GB-258413-A (GB)
Title: Heating devices with heat accumulators
IPC: F24B1/24
Filed: 1925-08-26
Abstract: 258,413. Popescu, T., Pais, A., and Pais, C. Aug. 26, 1925. Cooking-stoves.-A heating device comprises a heat-conducting block heated at one side and provided with a system of interconnected passages charged with a volatile liquid which transmits heat to other parts of the block where it is to be utilized. In the application to a cooking stove, a metal block x is heated by a fire on a grate 20, the hot gases passing through longitudinal flues within the block. The block is enclosed in an insulated chamber 30 closed at one end by a lid 32, and having an oven 31 on the upper side of the block. The upper side of the chamber is also provided with openings 35, 36, 37 which are closed by removable sliding covers 45, 46, or a conical plug 47, so that cooking utensils may be placed on the block. The utensil may be placed to a greater or less extent in contact with the block to regulate the heating, or it may be tilted by a lever 57,57<1>, Fig. 7, operated by a screw 60, to interpose a variable film of air between the utensil and the block. The block is preferably of cast iron or steel with a system of closed longitudinal and transverse passages 71, 73, 74, Fig. 9, or with an upper and a lower series of passages of different diameters. The temperature-equalizing medium, which may be alcohol or water, is sealed into the passages. Those parts of the block k from which heat is taken may be ground smooth, or a conducting film of fusible metal may be provided.