baber/WOPTO huggingface dataset:
Patent GB-148882-A (GB)
Title: Improvements in and relating to fancy braids and like products
IPC: D04C1/00
Filed: 1920-07-10
Abstract: 148,882. Naumann, M. Jan. 24, 1916, [Convention date]. Braid. - Relates to an improved process for making by hand braid or lace-like products similar to macreme work. Threads are added one after the other, according to the design to be obtained, to one or to several guide-threads placed in the required position, or are separated according to the design from a bundle of guide-threads arranged in suitable position, the bundles of threads thus formed being fastened together through wellknown working methods, for example winding, looping, knotting, tieing, plaiting, twisting, or crossing. In the example shown bundles b<1>, b<2>, b<3> of guide-threads are assembled by plaiting and an equilateral wedge-shaped bundle of threads in which the thread ends f<3> can serve as guidethreads is formed by equilateral separation of the threads ends f<1>, f<2>, f<3>.
Patent GB-706218-A (GB)
Title: A combined arch support and damp resistor for building structures
IPC: E04B1/70
Filed: 1951-09-03
Abstract: 706,218. Damp-proof courses. DYER, L. K. Aug. 22, 1952 [Sept. 3, 1951], No. 20742/51. Class 20(4) A combined arch support and damp resistor comprises a metal plate which is shaped in cross section to provide an outwardly directed horizontal support 1 for a flat arch or the like 2 for the outside skin of a cavity wall 6, and which also comprises a damp resistor portion 4 which extends upwardly across the cavity 5 to abut and terminate against the face of the lintel or support 7 carrying the inner skin of the wall. The forward edge of support 1 is formed as a lip 3 and the upper edge of portion 4 may terminate in an upwardly directed vertical portion 8 or alternatively in a downwardly directed portion 8a. In a further modification which is formed as a pressing one or more angle-section stiffener plates is or are welded to the inner face of the fitting to extend partly or wholly along the unit. In another form, the unit is of L section, the damp resistor portion being formed by a portion of one limb and having a sloping upper face, weep holes being left in the mortar joints for the escape of moisture. According to the Provisional Specification the fitting may be constructed as in Specification 694,214, the upper horizontal portion being omitted.
Patent GB-1508984-A (GB)
Title: Hydrokinetic braking systems
IPC: F16D57/04
Filed: 1975-04-30
Abstract: 1508984 Hydrokinetic brakes HAWKER SIDDELEY DYNAMICS Ltd 30 April 1975 [10 May 1974] 20747/74 Heading F2S In a vehicle having a hydrokinetic braking system the header tank is located above and rearwardly of the retarder. If the vehicle is designed to travel equally in either direction, e.g. a railway vehicle, two alternative tanks are provided and connected appropriately to the direction of travel. A valve at the retarder outlet opens under conditions of excess pressure and/or temperature. Specification 1,464,372 is referred to.
Patent GB-872985-A (GB)
Title: Recovery of mercury
IPC: C22B43/00
Filed: 1959-06-17
Abstract: Mercury present as dissolved mercury compounds is recovered from a brine having a pH between 0.1 and 10.5, by passing the brine through a bed of anion-exchange material, which adzorbs the mercury as complex anions of mercury, and then eluting the mercury from the exchange material by washing it with a solution of sulphuric acid or phosphoric acid.  The brine may be an aqueous solution of sodium chloride, potassium chloride or calcium chloride, which has been circulated through an electrolytic cell having a mercury cathode. The mercury concentration in the brine may be between 0.1 and 1000 parts per million.  Examples are given.
Patent GB-274297-A (GB)
Title: Improvements in the removal of silica from zinc, copper and vanadium solutions
IPC: C22B3/00
Filed: 1926-08-23
Abstract: 274,297. Stevens, R. H., Norris, G. C., and Watson, W. N. Aug. 23, 1926. Drawings to Specification. Zinc, copper, and vanadium sulphates.-Bulky or gelatinous precipitates of silica with or without ferric iron, or alumina, obtained bv neutralizing solutions of zinc, copper, or vanadium with basic. material such as zinc oxide, lime or ground limestone, are converted to granular form by agitating them at a. temperature of 40-65‹ C., and preferably at 55‹ C., in the presence of excess of the basic material. Metallic values are recovered from the granulated precipitate by passing it in the form of a filter cake through a series of washing-chambers, in which it is treated with acid liquors. Liquor from the first wash is passed on with the metal-bearing filtrate for further treatment, whilst that from each later wash is used as wash liquor for the next earlier wash, fresh acid being added to the wash liquor of an intermediate wash, and residual liquor being finally displaced from the cake by means of water. The invention is particularly applicable to solutions obtained by leaching ores &c. of zinc, copper, and vanadium with sulphuric acid, which may contain 3-35 grms. of silica per litre. When dealing with zinc sulphate solutions carrying from 10-20 grms. or from 20-30 grms. of dissolved silica per litre, the zinc concentration of the solution should be limited respectively to 95 grms. per litre or to 85-95 grms. per litre. The treatment of zinc and copper ores to obtain sulphate solutions for electrolysis is fully described, and flow sheets for these processes are included in the Specification. In treating zinc sulphate solutions, phosphorus may be removed together with the other impurities in the manner described in Specification 269,778.
Patent GB-1033113-A (GB)
IPC: C08L21/00
Filed: 1964-05-20
Abstract: Rubbery compositions of improved processing characteristics are made by mixing, for a total of 100 parts, 65 to 95 parts of a conjugated diene elastomer and 35 to 5 parts of a block copolymer A-B in which A is an elastomeric block of a conjugated diene having an average molecular weight between 25,000 and 500,000 and a glass transition temperature below 10 DEG  C. and B is a non-elastomeric block of an alkenyl aromatic hydrocarbon having an average molecular weight between 5,000 and 100,000 and a glass transition temperature above 50 DEG  C. and constituting 5 to 30% of the block copolymer. Exemplified block copolymers are polybutadiene-polystyrene and polyisoprene-polystyrene, which are blended with polybutadiene and polyisoprene.
Patent GB-626619-A (GB)
Title: Improvements in or relating to thermostatic mixing valves
IPC: G05D23/13
Filed: 1945-08-14
Abstract: 626,619. Thermally-actuated valves. BIRCHFIELD, P. A. Aug. 14, 1945, No. 20847. Convention date, Aug. 14, 1944. [Class 135] A thermostatic mixing valve for two liquids at different temperatures comprises a casing having inlets 25, 31, respectively for the hot and cold liquids, a spool valve member 38 for controlling the inlets and forming a mixing chamber 40 with the casing, an outlet 35, a valve 46 carried by the valve member for closing the outlet, and means, enclosed within the valve member, responsive to the temperature of the mixed liquids in the mixing chamber for maintaining the mixture at a predetermined temperature. The spool is hollow and filled with a volatile liquid, the opening 47 at one end being closed by a metal bellows 48 carrying a block 49 supported on the manually adjustable screwed stem 16 by which the mixture temperature is selected. On turning the stem the valve 46 is opened and the liquids flow into the mixing chamber through the ports 22, 23 and flow to the outlet through slots 33, port chambers and ports 37 in the casing. If the temperature of the mixed liquids rises above that set by the position of the end of the stem, the thermosensitive liquid expands so that the bellows contracts and the spool moves downwards against the spring 53 so that its end 42 closes the port 22 and the other end 43 opens the port 23. If the mixture temperature falls, the bellows elongates and the spool rises. If the temperature fall is excessive, the flow is stopped by the end 43 covering the slot 33. In a modification, the spring is dispensed with, the spool moves in a liner and, in order to prevent strain on the bellows when the valve 46 is closed due to excessive rise in temperature, the stem 16 can move outwardly against a spring.
Patent GB-1286221-A (GB)
Title: De-scaling and protecting from subsequent oxidation hot-rolled ferrous products
IPC: C21D1/68
Filed: 1971-04-19
Abstract: 1286221 De-scaling ferrous articles; coating with silicon SOC WENDEL-SIDELOR 19 April 1971 [9 Feb 1970] 20853/71 Headings C7E and C7F Scale is removed from ferrous articles, after rolling, and the surface protected from oxidation by a layer of silicon by passing the articles through a chlorine containing silicon compound at 800 to 1200‹ C. The compound may be methyl- or ethyltrichloro-silane, dimethyl-dichloro-silane or triphenylchloro-silane, and may include an inert filler e.g. chalk or silica. A hot rolled strip 2 passes into and out of a chamber through inert gas, e.g. nitrogen or argon seals 4, 5. The compound is sprayed through three sets of nozzles 15 and recycled. In a modification, Figs.3 and 4 (not shown) the compound is sprayed as a vapour. Alternatively the compound may be used as an emulsion in a carrier gas.
Patent GB-591464-A (GB)
Title: Concrete mixer water supply system
IPC: B28C7/12
Filed: 1944-10-26
Abstract: 591,464. Mixing. DEHN, F. B. (Chain Belt Co.). Oct. 26, 1944, No. 20870. [Class 86] Water is introduced into a rotary drum concrete mixer through a central supply pipe and a lateral pipe connecting to a nozzle disposed adjacent a side wall of the drum and in close proximity to that side of a spiral mixing blade which is away from the direction in which the materials are progressed during mixing. Water from a tank 30, Fig. 1, is forced by a pump 31 through a pipe 32, T-joint 33, a pipe 25 disposed centrally in the end of a rotary drum 11, and thence through an elbow 37, pipe 38 and a nozzle 40, Fig. 2. The latter is mounted adjacent the wall of the drum 11 thereto, and is also disposed close to a spiral mixing blade 17. The drum 11 is rotated during the mixing so that the blade 17 drives the material either towards the discharge end of the drum 11 or in the opposite direction. In either case the nozzle 40 is disposed on the side of the blade 17 opposite to that in which the material is driven during mixing, and, in the former case, may be pointed away from the closed end of the drum in a direction parallel to the adjacent portion of the spiral blade 17.
Patent GB-902279-A (GB)
Title: Improvements in or relating to digging implements
IPC: A01B1/02
Filed: 1959-06-18
Abstract: 902,279. Spades. DUPPENGIESSER, K. A. June 18, 1959, No. 20962/59. Addition to 834,423. Class 6(2). A spade is manufacutred in separate parts which are formed with complementary projections and slots or recesses whereby the parts are assembled together prior to welding. According to one embodiment of the invention, the spade comprises a blade 1 having welded thereto a web-like member 3 which has a projection 18 engaging in a slot in the bentover treading edge of the blade. The spade also comprises a handle socket 2<SP>1</SP> formed with projections 4 and 5 for engaging in slots 7 and 8 in the blade, and with slots 19 and 6 for engaging respectively the bent-over edge of the blade and the member 3. The slots 7 and 8 are formed with recesses 9 through which the various parts of the assembled spade may be welded together. In a modification, the weblike member 3 is replaced by a curved, twopart member 23 having projections for engaging in slots in the blade 1, and portions 25 for engaging in the slot 6 of the handle socket 2<SP>1</SP>, and in this case the surface of the handle socket 2<SP>1</SP> on which the spade blade bears is straight, and not formed with projections 4 and 5. The handle socket may be manufactured from a flat metal stamping 2, bent so that the projections 4 and 5 can be placed perpendicular to the blade and so that the edges 12 meet, the recesses 10 forming a slot in the finished article. The screw fixing the handle of the tool to the socket 2<SP>1</SP> is located within the slot, and its head is constructed so as to be adjustably fixed in relation to the slot, thus providing a means of adjusting the handle to counteract shrinkage. Specification 844,654 also is referred to.
Patent GB-1302995-A (GB)
IPC: C07F9/12
Filed: 1971-04-19
Abstract: 1302995 Triaryl phosphates STAUFFER CHEMICAL CO 19 April 1971 [24 Feb 1970] 21025/71 Heading C2P [Also in Division C5] Compounds of Formula I where n is 0À5 to 2, m is 1 to 3, X is chlorine or bromine, R<SP>2</SP>,  R <SP>3</SP>and R<SP>4</SP>are C 1-8 alkyl, a and d are 0 to 5, a + d is less than or equal to 5, b is 0 to 4, c is 0 to 5 and R and R<SP>1</SP>are hydrogen or methyl, may be prepared by the method of U.S Specification 3,428,714, i.e. by reacting a phosphorus oxyhalide and suitable phenols in the required proportions. The compounds of Formula I may be used as hydraulic fluids.
Patent GB-801446-A (GB)
Title: Improvements in and relating to non-linear amplifiers for use in television
Inventor: RAINGER PETER
IPC: H04N5/202
Filed: 1955-07-20
Abstract: 801,446. Television. BRITISH BROADCASTING CORPORATION. July 19, 1956 [July 20, 1955], No. 21046/55. Class 40 (3). [Also in Group XL (c)] In a gamma correction circuit using a non- linear valve as the anode load of a constant current stage, the high-frequency response is improved by connecting an amplifier between the cathode and grid of the non-linear valve. Positive going signals are fed via terminal 10 to the constant current stage 11 which has an anode load comprising the non-linear valve 12, the normally conducting diode 18 and an external circuit 19. The anode load is shunted by a resistor 13 so that the valve 11 need only operate linearly down to about 1.5 mA. The signals at the cathode of valve 12 are amplified by a valve 14 and fed back to the grid of valve 12 to reduce the time constant of the anode circuit. The output, which is proportional to the input raised to the power 0.45, may be taken from terminal 15, but a larger inverted output is available at terminal 16. Black level clamp. The diode 18 is conducting during the line period, hence the diode 17, the anode of which is tapped down by about 3V, is insulating. Negative line suppression pulses, applied via terminals 19 cut off diode 18 and hence cause diode 17 to conduct. Samples of the anode current of valve 12 are thus available through resistor 20 during each line suppression period. The resulting voltage pulses are amplified by valves 21, 22 (gain about 1,000), rectified by the diode 23 and the resulting negative voltage fed via a cathode follower 24 as bias to the grid of valve 11 in order to maintain the current at the required small value to provide the correct black level. Spurious low frequency signals present at terminal 10 are said to be reduced by 60db.
Patent GB-747504-A (GB)
Title: Improvements relating to construction panels
Inventor: FRENCH RICHARD SOULE
IPC: E04C2/34
Filed: 1953-07-29
Abstract: 747,504. Embossed pulp-board panels etc.; compound sheet materials. KEYES FIBRE CO. July 29, 1953, No. 21072/53. Classes 96 and 140. Heat and sound insulating panels, e.g. for doors, table tops, wall or ceiling coverings &c. are made from a moulded fibrous pulp ply 16 having embossments forming pockets in both surfaces, which may have their sides at an angle of 45 to 90 degrees with the plane of the panel, and one or both sets of pockets have flat end-faces 26 glued to a facing sheet or sheets 12, 14 of plywood, plastic, or hardboard, and may be strengthened by wooden strips 20 &c. The ply 16 may contain 5 to 25 per cent of phenol-formaldehyde, amine-phenolformaldehyde, amine -, urea -, or melamine-aldehyde, or alkyd resin, shellac or lignin. It may be made fireproof by inert fillers or by impregnation with a sulphamic acid or with ammonium phosphate. It may contain ground wood, chemical or semichemical pulp, glass, hemp, or asbestos fibres &c. The core may be of superposed plies.
Patent GB-464014-A (GB)
Title: Improvements in racket presses
IPC: A63B60/44
Filed: 1936-07-30
Abstract: 464,014. Racket-presses. SLAZENGERS, Ltd., and ROOD, G. July 30, 1936, No. 21146. [Class 132 (ii)] A racket-press comprises substantially rectangular frame members, one b of which is provided with a bow spring d at each corner, a portion d<1> of which passes through a slot in a plate e of the other member a and carries a member f and cam f <1> by which the members a and b are forced together. The member f may be integral with the corresponding member at the opposite corner to form a single lever.
Patent GB-439131-A (GB)
Title: Improvements in or relating to the housing of poultry and other domestic birds
IPC: A01K31/17
Filed: 1934-07-20
Abstract: 439,131. Feeding and drinking appliances for poultry &c. FORBES, H. L., Park Cottage, Clutton, near Chester. July 20, 1934, No. 21214. [Class 5 (ii)] A battery of pens or cages 1 for poultry &c. is provided with feeding or drinking troughs adapted to be moved by power successively into position before the various pens or cages of the battery. The pens which are arranged in tiers may have sheet metal roofs, wire mesh floors 3 and sides 4 and barred fronts 5. The floors 3 slope so that eggs roll out of the pens into a collecting channel 3a. As shown, the pens are arranged in a circle and mounted in bearings 6, 7; at the centre of the circle is a vertical shaft carrying radial arms 9 supporting at their ends feeding and drinking troughs 11, 11<a> for the various pens. Other arms 12 carry scrapers 13 adapted to remove droppings falling through the floors on to the roofs below. The shaft is rotated by a winding drum 14 round which passes a rope 15, the two ends of which pass to pulleys 17 mounted on a staging 2; the ends of the rope are provided with hooks 18, 18a, to one or other of which is attached a removable weight 19. The speed of rotation of the drum is controlled by a pendulum or other escapement 20. Other means such as an electric motor or an internalcombustion engine may be used to drive the drum. In a modification, the pens may be arranged in a straight line and the troughs &c. moved backwards and forwards in front of them; the droppings may be removed by falling on an endless band driven from the motor and provided with a fixed scraper.
Patent GB-406046-A (GB)
Title: Improvements in and relating to rotary drills, specially applicable for use in the manufacture of garments
IPC: D06H1/00
Filed: 1933-07-19
Abstract: 406,046. Sharpening cutters in situ. McEWEN, T., 239, Barlow Moor Road, West Didsbury, Manchester. July 19, 1933, No. 21263/32. [Class 60.] For sharpening the point of an annular drill 13 in a drilling-machine, a non-rotary grinding- wheel 23 is clamped on an arm 22 by a nut 24. The arm is pivoted on one of the pillars 2 of the machine and is normally maintained in an inoperative position by means of a helical spring 25 attached to a boss 26 secured on the pillar, but may be rotated to bring the wheel against the drill point, which is steadied during sharpening by the guide 21.
Patent GB-352263-A (GB)
Title: Improvements relating to cop changing apparatus for automatic weaving looms
IPC: D03D45/20
Filed: 1930-07-14
Abstract: 352,263. Changing bobbins automatically in loom shuttles. HILDEBRAND, V., 57, Boulevarde de la Marne, Mulhouse, Haut-Rhin, France. July 14, 1930, No. 21280. Convention date, July 25, 1929. [Class 142 (iii).] The hammer or transferrer h, instead of being operated by a bunter on the lay, is provided with a nose e<1>, adapted to be brought into the path of a rotating cam c. The nose is formed on a dog e pivoted to the hammer and having a slotted extension e<2> engaged by the lever k which is operated upon call for bobbin change. In operation, the dog normally occupies the position shown in dotted lines, the hammer being held by a spring l in the position shown against a stop m. When the lever k is rocked, the dog e is moved about its pivot g into engagement with a stop n on the hammer, and its nose e<1> is engaged by the cam c. The dog may be provided with an antifriction roller i. The nose e<1> and the front of the cam are shaped as shown to avoid risk of broken parts. Cams other than those acting radially, and dogs connected by other levers to the hammer may be employed.
Patent GB-1333843-A (GB)
Title: Colouring synthetic hydrophobic fibres
IPC: D06P3/26
Filed: 1971-04-19
Abstract: 1333843 Dyeing synthetic hydrophobic fibres AGRIPAT SA 19 April 1971 [9 Feb 1970] 21301/71 Heading D1B Synthetic hydrophobic fibres are dyed with cationic or disperse dyes in the presence of 0.5 to 10 parts by weight of a carrier selected from chlorinated biphenyls and chlorinated terphenyls per 100 parts by weight of fibres. Polyester, cellulose triacetate, polyamide polyvinylchloride and acid modified polyethylene terephthalate fibres are dyed in presence of the above carrier and an emulsifying agent e.g. triethanolamine salt of lauryl sulphate. Preferably chlorinated biphenyls containing 18 to 65% by weight of chlorine are used, mixtures of disperse and cationic dyes may be used to dye fibre blends e.g. polyethylene terephthalate, acid modified polyethylene terephthalate and cotton.
Patent GB-425522-A (GB)
Title: Improvements in or relating to sewing machines and attachments therefor
IPC: D05B85/06
Filed: 1934-07-20
Abstract: 425,522. Sewing-machines. WURKER GES., 16, Pirnaische Strasse, Dresden, Germany. July 20, 1934, Nos. 21330, 21331, and 21332. Convention dates, July 20, 1933, Oct. 28, 1933, and June 16, 1934. [Class 112] In an attachment for blind-stitching driven by the needle bar, the stitch forming members and the stitching point are situated at the side of the needle bar and the needle rocking arm is accelerated by a cam control in penetrating the work and is retarded on leaving the work. The attachment is driven by the engagement of a projection on the reciprocating needle bar in a recess 6 of the lever 5. The lever 5 actuates a shaft 7 which rocks a sector 8. A slot 10 in the sector 8 rocks a lever 12 in both directions to rock the shaft 13 carrying the arm 14 supporting the curved needle 32. The speed of the needle on penetration and retraction is determined by the curvature of the slot 10. The rocking needle arm 14 also drives the looper 18, the point 19 of which takes off the thread loop from the rear and brings it sideways to the front. The looper 18 is driven by a bifurcated extension 24 on the arm 14, Fig. 3. The thread passes through tension discs 25, 26 and through eyes 29, 30, 31, 33, so that movement of the arm 14 tightens the stitch. The lever 5 actuates the feeding device by a pawl 35 and ratchet wheel 37. The ratchet wheel actuates a concentric toothed wheel 39 which turns a smaller toothed wheel 40 carrying the feed roller 41. The feed roller 41 projects through the bottom 43 of the casing of the attachment and rests on the cloth 44. A base plate 45 carries a projection 46 opposite the feed roller to bend the work which then passes between the legs of the presser foot and the bender 51. The height of the bender 51 is adjusted by the thumb screw, Fig. 4.