baber/WOPTO huggingface dataset:
Patent GB-1047404-A (GB)
IPC: F42C11/02
Filed: 1964-04-09
Abstract: 1,047,404. Projectile fuzes. POURDRERIES REUNIES DE BELGIQUE SOC. ANON. April 9, 1964 [April 10, 1963], No. 14739/64. Heading F3A. A safety device for a projectile comprises a contact slidable against a spring and held in position by locking balls which are released on acceleration so that the contact slides to complete a circuit between an electric generator and a detonator. A piezo-electric generator 1 (Fig. 2, not shown) with a shock-limiting device 5 and an earthing plate 9 is rested on a conducting anvil 2 and held in an insulated cup 3, the anvil having an extended part 4 capable of making contact with a slidable member 22 which is connected by leads 25 to a primer (not shown) and which is engaged, in a tubular member 13 with a frontal part 12 and lateral holes 14 in which locking balls 15 are maintained by a tubular slide 16, itself held in position by shaped elastic tabs 17 which form part of a sleeve 18. The balls 15 butt against the conical end of the slidable member 22 which is held against the balls by a compressed spring 23. The acceleration on launching causes slide 16 to set back overriding the resistance of the tabs 17 which then engage a groove 21, the locking balls being freed (Fig. 6, not shown). When the acceleration has fallen sufficiently the spring 23 pushes the member 22 forwards until it contacts the extended part 4 of the anvil 2 to complete the electric circuit between the generator 1 and the fuze. On impact contact between the anvil extension 4 and the member 22 is strengthened and the impulse from a hammer 30 is transmitted to the piezo-electric generator 1 which then provides the necessary electric potential.
Patent GB-405855-A (GB)
Title: Packing facings of the suction chests of paper machines and method of manufacturing the same
IPC: D21F1/52
Filed: 1933-05-22
Abstract: 405,855. Suction boxes of papermaking machines. ROHRBACHER LEDERFABRIK J. POESCHL'S SOHNE AKT.- GES., Rohrbach, Upper Austria. May 22, 1933, Nos. 14755 and 14756. Convention dates, July 20, 1932 and Sept. 16, 1932. [Class 96.] The surfaces of suction boxes b, Fig. 1, which contact with the wire-cloth, felt, &c. d are wholly or partly of leather c which has been waterproofed, and preferably hardened. The leather, after having been vegetable-tanned, and before and/or after shaping and attaching to its supports, is impregnated by heat, pressure, suction &c., with paraffin, stearine, waxes, resins, or mixtures thereof, in amounts from 5 per cent to that producing complete saturation. The leather may be in layers in juxtaposition or in superposition on wood, e.g. ply-wood, or metal, or soft leather, which may be thin to avoid distorting the leather surfacings, and may be screwed to a wooden base. The leather surfaces may be roughened and secured to each other and to a wooden support g, Fig. 7, with a cellulose ester cement, the leather may be rounded by pressure, and the wooden support may be impregnated before or after the leather has been attached. A suction box for use with a felt m, Fig. 8, comprises a leather cap j with perforations l over a slot k with slides n.
Patent GB-476542-A (GB)
Title: Improvements in vehicle brakes
IPC: F16D51/50
Filed: 1937-05-28
Abstract: 476,542. Internal - expanding brakes. FORD MOTOR CO., Ltd. May 28, 1937, No. 14836. Convention 'date, Dec. 11, 1936. [Class 103 (i)] An expanding brake for a vehicle wheel comprises primary and secondary shoes 25, 26 with a gap at 35a, Fig. 5, to allow displacement of a strut 35 connecting their ends so that, in the forward anticlockwise direction of rotation, the shoe 25 passes on servo engaging action to the shoe 26, while in the reverse direction, the strut 35 comes hard against a fixed bracket 31, Fig. 1, and there is no transmission of servo action from one shoe to another, and the braking action is much less. A brake drum 14 turns with a wheel hub 13, Fig. 3, about a fixed axle 11 and there is a fixed plate 17 supporting a brake anchor pin 23. The brake is engaged by thrusting out radially a wedge 22 which is gapped to float about the anchor pin 23 while engaging both near ends of the shoes. A spring 27, Fig. 1, holding the near. end of the primary shoe 25 up to the pin 23 is weaker than a spring 28 holding the near end of the secondary shoe 26 to the pin so that, in forward rotation, the primary shoe will readily engage and be carried round by the drum. The wedge 22 is thrust out to engage the brake by pulling a cable 19 which turns a lever 20 about a fixed pivot 21 and so through an arm 20<1> stressing a spring 20a engaged at 25<1> with the far end of the primary shoe. The strut between the far ends of the shoes 25, 26 comprises two studs 30, Fig. 8, passing through holes 44 in the bracket 31 and engaging opposite faces of a block 35 which is adapted to be displaced across an opening 40 in the bracket, there being a gap 35a on the proper side to allow the servo action to pass one way only. This block 35 is slotted at 39 to allow the block to slide across the end face of an adjusting screw 32 and the working faces of the block are inclined to the stud ends at different angles so that adjustment of the one screw 32 can compensate for wear in the two differently-loaded brake shoes. A spring 38 in the slot 39 coacts with notches 34, Fig. 3, in the head of the screw 32 to lock the adjustment against vibration.
Patent GB-1522937-A (GB)
Title: Pump-jack device
IPC: F15B15/18
Filed: 1977-04-07
Abstract: 1522937 Reciprocating pumps and motors CANADIAN FOREMOST Ltd 7 April 1977 [9 April 1976] 14836/77 Heading F1A A hydraulic drive for a well pump comprises a double-acting hydraulic motor piston 16 connected to the well pump piston 27 by rods 17, 28, 26 and also connected to a piston 33 operating in a gas cylinder 32, the space beneath piston 33 being connected to a source 39 of gas under pressure, e.g. nitrogen, so that during the downstroke of the pump, energy is stored in the gas, and is released to assist the upstroke, the hydraulic motor being in a closed loop with a variable displacement pump having two outlet ports. A control circuit is described for controlling the stroke and speed of the motor and monitoring the pump operation.
Patent GB-148532-A (GB)
Abstract: 148,532. Potter, F. D. Feb. 15, 1916, [Convention date]. Alarms operated by expansion and contraction of solids.-Changes of temperature in the combustion chamber of a steam-boiler or other furnace effect the expansion or contraction of a metal tube, which operates electric contacts to complete an electric circuit and give a visible or audible signal to the stoker or person in charge that the stoking of the furnace is defective. Some of the gases from the furnace grate are short-circuited through a passage 16, Fig. 4, in the fire-bridge, the passage 16 being in communication with a passage in which is arranged a tube 19, Fig. 1, fixed at one end and adapted to expand or contract with changes of temperature. The free end of the tube is attached at 22 to a rod 23 having an adjustable extension 36 slotted at its outer end to engage a pin 41 on a lever 42, which is moved against the resistance of a spring 43<1> when the tube 19 expands. Contraction of the tube 19 causes an insulated metal strip 68 on the lever 42 to engage with a contact screw 58 on a pivoted arm 53 and complete an electric circuit 69, 50 in which a lamp 69<1>, visible to the stoker, is placed. Further contraction of the tube causes an insulated strip 65 to engage with a contact screw 59 and complete a circuit 66 in which is interposed a signal which is visible or audible to the person in charge. When the furnace is shut down, the contraction of the tube is sufficient to move the lever so that an insulating strip 64 engages with a screw 60 and throws the contact screws 58, 59 out of contact. The arm 53 is provided with a stud 61 for use in setting the position of the contact screws 58, 59, and 60. The stud may be brought into contact with a strip 62 on the lever 42 to complete a circuit and operate a signal, and while such signal is being operated, the screws 58, 59, and 60 may be adjusted so that the necessary slight movement of the arm 53 will result in giving the desired signals upon movement of the arm. The tube 19 is arranged in a metal tube 26 which may be mounted upon a support consisting of porcelain tubes 27, arranged as shown in Fig. 3, so as to insulate the tube 19 from the walls of the passage in which it is supported.
Patent GB-1175577-A (GB)
Title: A Process for Preparing Phosphoric Acid
IPC: C01B25/22
Filed: 1967-03-31
Abstract: 1,175,577. Phosphoric acid; calcium sulphate hemihydrate. CENTRAL GLASS CO. Ltd. 31 March, 1967 [2 April, 1966], No. 14903/67. Heading C1A. H3PO4 and CaSO4.¢H2O are produced by decomposing phosphate rock with H2SO4 and H3PO4 in the presence of gypsum seed crystals to form a slurry of gypsum and H3PO4, maintaining the slurry at an SO3 content of 3-10% by wt. and at a temperature sufficient to recrystallize the gypsum to hemihydrate in the presence of seed crystals of hemihydrate, and filtering and washing the crystals produced. The rock may be crushed so that 60-80% passes 100 mesh sieve and mixed in a first tank with recycle H3PO4 and recycle gypsum slurry, to form CaH2PO4. This is passed to a second tank, to which H2SO4 is added in stoichiometric amount or not more than 3% excess. The temperature is maintained at 80 C. or below, e.g. 60-75 C., either by passing the recycled gypsum slurry through a cooler held at reduced pressure, or by introducing air. The remainder of the gypsum slurry is passed to a third tank, which may be held at 80 C. by introducing steam, and to which H2SO4 is fed to give a free SO3 content of 3-10%. Recrystallization is continued in fourth and fifth tanks, and the product is filtered and washed, the wash water being combined with part of the product H3PO4 and recycled to tank 1. Hemihydrate seed crystals fed to tank 3 may be (a) recycled from tank 5, (b) formed by separately recrystallizing a small portion of the gypsum slurry, or (c) formed by decomposing rock with H3PO4 and H2SO4 at a higher temperature. Alternatively, tanks 3-5 may be replaced by a single large tank, so that at steady state, the gypsum slurry is introduced into a large amount of hemihydrate seed crystals. The temperature in tanks 3-5 should be at least 75 C. at a free acid concentration (measured as SO3 + P2O5) of 40%, at least 70 C. at 45%, and at least 65 C. at 50 %. The product acid may have a concentration of at least 35%, and the hemihydrate crystals may be 60 Á wide and 300 Á long.
Patent GB-561805-A (GB)
Title: A resilient woven fabric
IPC: D03D27/10
Filed: 1942-10-26
Abstract: 561,805. Pile fabrics. BOOTHROYD RUGS, Ltd., and BOOTHROYD, J. I. Oct. 26, 1942, No. 14976. [Class 142 (iv)] A pile fabric for use as a mattress, overlay, as upholstery, or for linings for aircraft, &c., is woven double or face to face on a double shuttle, double plush loom. Each pile thread 5 ... 8 passes over one pick, under two picks and over one pick in one ground cloth and then under one pick, over two picks and under one pick in the other ground cloth, and repeats this sequence in regular order. The pile threads are made of resilient fibre such as mohair, cross bred wool or artificial fibre, and the arrangement of the pile threads is such that air spaces are formed. Reference has been directed by the Comptroller to Specification 9768/96. [Class 142].
Patent GB-1222275-A (GB)
Title: Bearing device for supporting axial and radial loads
IPC: F16C17/10
Filed: 1968-03-28
Abstract: 1,222,275. Hydrodynamic bearing. PHILIPS' GLOEILAMPENFABRIEKEN N.V. 28 March, 1968 [31 March, 1967], No. 14983/68. Heading F2A. In a hydrodynamic bearing for axial and radial loads having a shaft 2 carrying a flange 3 accommodated in a recess in a housing 4, the bearing surface of either the flange or the housing is provided with a plurality of grooves 8 which contain lubricant and in which pressure is created on rotation of the shaft relative to the housing, lubricant being urged to the thrustbearing surface by means of helical grooves provided in either the cylindrical surface of the shaft, or the corresponding surface of the housing. The recess in the housing communicates with the outside of the housing only through the bore accommodating the shaft. In one embodiment, when grease is used as lubricant, an annular chamber 10 is provided in the shaft to act as a lubricant reservoir from which helical grooves 11 extend in the shaft towards the flange and a pattern of helical grooves 12 extend in the other direction from the chamber to act as a seal for the grease. A duct 15 may be provided to lead grease from the recess back to the chamber 10.
Patent GB-866940-A (GB)
Title: Improvements in cooling apparatus
Inventor: BOMFORD JAMES FERGUSON
IPC: A23L3/36
Filed: 1958-05-12
Abstract: 866,940. Platform elevators. HALL THERMOTANK Ltd. May 11, 1959 [May 12, 1958], No. 15105/58. Class 78 (3). [Also in Group XIII] The rectangular platform 25 of a vegetable cooling apparatus (see Group XIII) is connected by pillars 26 and connections 27 to four endless chains 22 which pass around sprocket wheels such as 20, 24, at the four corners of the base of the tank and four sprocket wheels such as 18, 23, mounted on shafts 16, 17 on a framework 4. On starting an electric motor, not shown, mounted on framework 4, a gear-wheel 31 and therefore gear-wheels 30, 43 are driven, and thus, through chains 40, 46, rotating the sprocket wheels carrying chains 22, to lower the platform 25. When the platform reaches stops 70, an arm 68 actuates microswitch 69 to stop the motor. When reversing the motor, it is switched-off at the upper position by arm 68 contacting microswitch 71. Wire mesh screens 51, for holding the crates 72, are pivotally connected together and have bolts 66, Fig. 4, thereon each engaging a slot 64 in a plate 63 keyed in pairs to a shaft 61 mounted on sleeves 56. After sliding the sleeves 56 down uprights 48 until the screens 51 practically touch the crates 72 and inserting pegs 59 through corresponding holes 57, 58 in the sleeve 56 and uprights 48, the handles 62 on shafts 61 are rotated to force the screens downwardly on to the crates 72.
Patent GB-1024232-A (GB)
Title: Improvements in or relating to suspension systems in furnaces
Inventor: WESTWOOD CLIFFORD BENJAMIN GEO
IPC: H05B3/66
Filed: 1962-04-18
Abstract: 1,024,232. Supporting heating elements in electric furnaces. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Jan. 25, 1963 [April 18, 1962], No. 15116/62. Heading H5H. A suspension system for supporting heating elements 9 in a furnace having a lining of refractory bricks 1 comprises a series of pre-formed suspension hooks 3, 4 having bent inner ends B anchored in stepped portions of slots 10 formed in the faces of bricks 1 so that the shanks A of the hooks 3, 4, when in position lie within open sided slots 5, 6 in the face of one brick and alongside the plane face of an adjacent brick. Slots 5, 6 and 10 at its deepest have sufficient depth d (Fig. 3, not shown) to clear the length of bent ends B. The ends B are fed along slots 5, 6 until they abut against the larger wall of slot 10, the shanks of the pins are then rotated through 90 degrees and the ends B dropped into the stepped portion of slot 10.
Patent GB-296485-A (GB)
Title: Process for dyeing
IPC: C09B35/08
Filed: 1927-06-07
Abstract: 296,485. British Dyestuffs Corporation, Ltd., Baddiley, J., Brightman, R., and Chorley, P. June 7, 1927. Disazo dyes for dyeing regenerated cellulose materials in level shades are derived from tetrazotized 2 : 2<1>-substituted 4 : 4<1>-diaminodiphenyls, excluding 2 : 2<1>-dinitrobenzidine, and two molecular proportions of a coupling component or of two different coupling components. The following examples are specified :-(1) The dyestuff from tetrazotized 2:2<1>-dichlorobenzidine, salicylic acid and 2-amino-8-naphthol-6- sulphonic acid (coupled alkaline) dyes viscose silk an even orange-brown shade; (2) the dyestuff from tetrazotized 2 : 2'-dimethylbenzidine and the same coupling components dyes viscose silk an even maroon shade. A table is given showing the shades on viscose silk with the dyestuffs from various components, other tetrazo components being benzidine-2 : 2<1>-dicarboxylic acid and benzidine-2 : 21-disulphonic acid, and other coupling components (coupled alkaline unless otherwise stated) being 2 : 3-oxynaphthoic acid, 1-(4<1>-sulpho- or 2<1> : 5<1>-dichloro-4<1>-sulpho)- phenyl-3-methyl-5-pyrazolone (coupled acid), 1- phenyl-3-methyl-5-pyrazolone (coupled acid), resorcinol, phenyl-2 : 8 : 6-acid, 2 : 5 : 7-acid, 1- phenylamino-8-naphthalene-sulphonic acid, 1 : 8 : 4-acid, 2 : 8 : 6-acid (coupled acid), 2-naphthol, l-amino-8-naphthol-2:4-disulphonic acid and phenyl-2 : 5 : 7-acid. Specifications 10331/10, 28678/10, and 294,922 are referred to.
Patent GB-374608-A (GB)
Title: Improvements in or relating to screw presses for use in making tiles and the like
IPC: B30B1/22
Filed: 1931-05-23
Abstract: 374,608. Moulding tiles by stationarymould machines. BOULTON, Ltd., W., Providence Engineering Works, Navigation Road, Burslem, and BIRCHALL, F. A., Fernleigh, Sandbach Road, Alsager, both in Stoke-on-Trent. May 23, 1931, No. 15277. [Class 87 (ii).] In a screw press for making tiles &c. having an overhead friction device, the bearing arms a<1> for supporting the driving-shaft 27 are detachably mounted on the main pillars b of the press so that it can be readily converted into a hand-press. The shaft 27 carries the friction wheels 28, 29 and is moved axially by the starting and reversing lever 16 through the rods 19, 21 and link 23, an adjustable stop 20 being also provided on the rod 19. The bearing arms a<1> are detachably held by clamps a<2> and the lever 16 is pivoted on a detachable stud 17. The bearing arms a<1> may be clamped to some other stationary part of the press. Specification 6333/15, [Class 87 (ii), Moulding plastic &c. substances], is referred to.
Patent GB-623996-A (GB)
Title: Improvements in or relating to the preparation of emulsions of polymeric organic polysulfides
IPC: C08G75/16
Filed: 1946-05-22
Abstract: A stable aqueous dispersion of a polymeric organic disulphide having particles not greater than about 3 microns, is prepared by reacting with agitation at a temperature not exceeding 55 DEG  C., a water-soluble polysulphide and an alkylene dihalide in aqueous medium with a lignin sulphonate as an emulsifier.  In an example, sodium ligninsulphonate is mixed with a 2-molar sodium polysulphide solution at 40-50 DEG  C. and ethylene chloride is added dispersive with stirring.  The temperature is kept below 55 DEG  C. The finely divided particles are washed to remove sodium chloride. A stable latex results.  Alternatively, the ingredients may be mixed at room temperature and emulsified by passing through a homogenizer or a water-cooled colloid mill.  Other materials which may be used for the polymers are ethylene dibromide, propylene dichloride, propylene dibromide, 1,4-dichlorobutane; 1,4-dibromobutane, 1,3 - dichlorobutane; 2,2 - dichlorobutane, 1,5-dibromopentane, 3,4-dichloro-3,4-dimethyl hexane, other alkali metal polysulphides, alkaline earth polysulphides, or polysulphides of ethanolamines.  The dispersions may be flocculated with aluminium sulphate or calcium nitrate and after washing may be redispersed in water with agitation. They may be evaporated to a paste without coagulation or used for coating or impregnating fabrics, fibres, paper, wood, metal, concrete or other materials, followed by coagulation in situ.  They are particularly useful in pesticidal compositions (see Group VI), latices containing excess polysulphide being treated with barium, copper, cadmium, antimony or lead salts to form sulphides to enhance the insecticidal or fungicidal activity of the compositions.  The latices may also be used as carriers for other pesticides, or for growth hormones or for forming films over wounds in trees.  Examples are given.  The Specification as open to inspection under Sect. 91 names many other possible starting materials for making the organic polysulphide and also envisages the use of other emulsifying agents. This subject-matter forms no part of the Specification as accepted.ALSO:Stable aqueous dispersions of polymeric organic disulphides (see Group IVa) are used as or in pesticides.  They may be applied as latices containing unreacted inorganic polysulphide which may be treated with barium, copper, cadmium, antimony or lead salts to form sulphides of these metals which enhance the insecticidal and fungicidal activity.  The latices may also be used as carriers for pesticides, e.g. nicotine or its derivatives, or for growth hormones.  They may also be applied with a brush to form a film over cut surfaces in tree surgery.  In examples a polymeric ethlylene polysulphide having a sulphur content of 80-85 per cent is employed.  Tests were made (1) against spores growing in malt extract agar, (2) against mildew on rose leaves, (3) against mosquito larv , (4) with a latex to which nicotine sulphate had been added against green aphids of apple.
Patent GB-350206-A (GB)
Title: Improvements in cases for lip-sticks
IPC: A45D40/18
Filed: 1930-05-21
Abstract: 350,206. Cases for lipsticks. KANTOR, A., 20, Rue Richer, Paris. May 21, 1930, No. 15633. [Class 18.] A combined lipstick case and mirror comprises a casing 1, Fig. 1, having a partition 3 apertured at 10 upon which slides a mirror 2, an upstanding ridge 9 on the mirror frame abutting against shoulders at the end of the aperture 10 to prevent complete withdrawal. A projection on the underside of the mirror frame engages a recess 7, Fig. 2, in the lipstick holder 4, so that the lipstick and mirror move together. The lipstick 5 is moved relatively to the holder 4 by rotating the cap 6.
Patent GB-351680-A (GB)
IPC: C08K3/013
Filed: 1930-05-21
Abstract: A composition of matter for building roads and ways is prepared by incorporating with cumaron resin filling media containing lithopone, preferably lithopone with a high percentage of sulphide.  Hard organic substances, e.g. hard wax or high molecular weight hydrocarbons, and a small amount of caoutchouc may be added if desired.  The preferred type of cumaron resin is the tough hard variety.  In an example the composition comprises resin, lithopone, marble meal, and pieces of marble.ALSO:A composition for building roads and ways is prepared by incorporating with cumaron resin, filling media containing lithopone, preferably lithopone with a high percentage of sulphide.  Hard organic substances, e.g. hard wax or high molecular weight hydrocarbons, and a small amount of caoutchouc may be added if desired.  The preferred type of cumaron resin is the tough hard variety.  In an example the composition comprises resin, lithopone, marble meal, and pieces of marble.