baber/WOPTO huggingface dataset:
Patent GB-216016-A (GB)
Title: A process of constructing culverts or pipes of concrete
IPC: B28B7/30
Filed: 1923-07-25
Abstract: 216,016. Nose, T. June 25, 1923. Casting pipes and tubes.-In moulding conduits, straight or curved, in continuous lengths by the use of inflatable rubber cores, these are supported by members 3 which fit into the outer removable shuttering 2 and support the reinforcement 9. After one length of conduit is cast its end forms one support for the core, which is deflated, then drawn endlong with the supports 3 to a new position, inflated, and the process repeated. A core for conduits may be formed of two inner tubes 1<2>, 1<3> surrounded by an outer tube 1<1> which assumes an oval section.
Patent GB-455808-A (GB)
Title: Improvements in or relating to electron tube timing devices
IPC: H01J17/04
Filed: 1935-07-04
Abstract: 455,808. Control system for consumption apparatus. IGRANIC ELECTRIC CO., Ltd., 147, Queen Victoria Street, London. -(Assignees of Stansbury, C.; 315, N. 12th Street, Milwaukee, Wisconsin, U.S.A.) July 4, 1935, No. 19120. Convention date, July 5, 1934. [Class 38 (iv)] [See also Group XL] Switching control.-Closure of a press-button switch 10 causes completion of the circuit of a load device 9 for a period determined by a resistance condenser combination 12, 15 in the grid circuit of the valve 2. When the supply circuit to the valve is completed the valve conducts and operates switch 5 closing contacts 5b, 5d and opening contacts 5c, 5e. The closure of contacts 5b connects the condenser 15 across the resistance 17 through an auxiliary anode 2d in the valve. The condenser thus charges to the peak value of the alternating potential across the resistance. The potential across the resistance 17 is adjusted by a condenser 16 to be 90‹ phase advanced to the anode potential. When the pressbutton 10 is closed relays 6a and 8a are energized. Opening of the contacts 6b disconnects the condenser 15 from the junction of the resistance 17 and condenser 16 and leaves it connected to a potential divider across the resistance 17 formed by resistances 13, 14. This reduces the alternating bias on the grid 2b and the valve becomes nonconducting. Switch 5 is thereby de-energized, opens contacts 5b, 5d and closes contacts 5c, 5e. Closure of 5e completes a circuit through the contacts 8b to the load 9. Closure of 5c connects a resistance 12 across the condenser 15 which discharges until the negative bias is sufficiently reduced to permit the valve to become conductive when the switch 5 operates to open the load circuit 9 and reset the circuit to the condition for a further energization from the press button 10. The period of closure of the load circuit may be adjusted by varying the resistance 12. The load circuit 9 may be the operating coil of a switch. A time delay switch 4 is inserted in the supply of the valve to ensure sufficient cathode heating before application of load. Instead of an auxiliary anode 2d a separate discharge device may be used. Relay 7a remains closed in normal working but opens in event of failure of the valve. Specifications 370,002, 393,722, and 398,377 are referred to.
Patent GB-124401-A (GB)
Title: Improvements in or relating to Liquid Containers.
Inventor: THOMPSON ARTHUR DOUGLAS
IPC: B64D37/06
Filed: 1917-12-17
Abstract: 124,401. Thompson, A. D. Dec. 17,1917. Tanks. - Petrol or other tanks are provided with a composite covering comprising a layer C<1> of soft material, such as printers' blanket, felt, &c., placed next to the tank, and a. layer C of rubber or similar material. The rubber layer may be surrounded by another layer of soft material, two rubber layers may be interposed between three layers of soft material, and an external metal or canvas covering may be provided. The covering may be used to constitute a packing between a tank and a movable cover of the type described in Specifications 17511/15 and 121,513. Reference has been directed by the Comptroller to Specifications 126,087 and 127,001.
Patent GB-925809-A (GB)
Title: Herbicidal compositions
IPC: A01N37/02
Filed: 1959-06-04
Abstract: A two-component herbicidal composition consists of (1) an aliphatic monohydric alcohol ester of 2,2-dichloropropionic acid containing not more than 12 carbon atoms in the molecule in admixture with (2) a herbicide adjuvant which is a surface active dispersing agent, an aqueous emulsion, a petroleum distillate or a finely-divided solid, preferably an inert solid which may be or may contain a solid surface-active agent.  Specified esters of 22-dichloropropionic acid are the iso-butyl, octyl, butyl methyl, isopropyl allyl, propyl, methallyl, hexyl, heptyl and nonylesters. Specified dispersing and emulsifying agents are condensation products of alkylene oxides with phenols and organic acids, alkyl aryl sulphonates, poloxy alkylene derivatives of sorbitan esters, e.g. sorbitan monolaurate polyoxyethylene derivative, complex ether alcohols and mahogany soaps.  Specified solid carriers are clay, talc, chalk, gypsum, bentonite, fuller's earth and attapulgite.
Patent GB-1128103-A (GB)
Title: Chemical process
IPC: C01B21/083
Filed: 1966-05-03
Abstract: 1,128,103. Tetrafluorohydrazine. AEROJETGENERAL CORP. 8 May, 1966 [3 May, 1965], No. 19395/66. Heading C1A. Tetrafluorohydrazine is produced by reacting a carba nate of formula in which R is an organic radical such as alkyl, haloalkyl, alkylene, or haloalkylene and n is an integer of 1 to 10, preferably 1 or 2 and equal to the valency of R, with an oxidizing agent Py, X 2 , where P is a cation including a metal in a +3 to +8 oxidation state, such as Fe<SP>3+</SP>, Cr<SP>6+</SP>, Mn<SP>7+</SP>, V<SP>5+</SP>, As<SP>5+</SP>, Sb<SP>5+</SP>, W<SP>6+</SP>, Mo<SP>6+</SP>, Os<SP>8+</SP>, Co<SP>3+</SP>, Pt<SP>4+</SP>, Ru<SP>8+</SP>, Ir<SP>6+</SP> and Re<SP>7+</SP>, X is an anion and y and z are small integers with the product of y times the positive oxidation state of P equal to the product of z times the negative oxidation state of X. Alternatively the oxidizing agent may be an alkali metal cation and complex anion of 3 to 4 0 atoms and an element in a high oxidation state, such as iodate, bromate, perchlorate, permanganate, chromate, molybdate, vanadate, arsenate and dichromate. The process may be carried out in a polar solvent non-reactive with the oxidant and at least a partial solvent for the carbamate, from 0 to 5 C. at a pH of 7 or less.
Patent GB-624612-A (GB)
Title: Improvements in and relating to cam devices for imparting varying feed-increments to tool-holders of machine tools and the like displaceable elements of machines
IPC: B23G7/00
Filed: 1945-07-30
Abstract: 624,612. Lathe details. CASTELLI, X. F. July 30, 1945, No. 19429. Convention date, July 13 1943. [Class 83 (iii)] [Also in Group XXVI] In a machine, such as a machine tool, having a displaceable element, such as a tool-holder, adapted to be moved in a straight line by a cam, the line passing through the centre of rotation of the cam, the cam-shaft is arranged to rotate through 90 degrees and the cam comprises an eccentric c mounted on the sleeve a keyed to the shaft b, and an eccentric d mounted on the eccentric c; the displaceable member is connected to the member i. The cam imparts a movement to the displaceable member, the increments of which diminish progressively for equal angular movements of the cam according to a selectable variable law. The feed stroke is adjustable by varying the position of the eccentric d to the eccentric c by a worm o engaging a quadrant n and the law is selected by varying the position of the eccentric c in the sleeve a by a worm e engaging a quadrant k. The device is applicable to feed movements of a tool-holder of a lathe, so that for equal angular movements of the cam, successive cuts are reduced.
Patent GB-1214109-A (GB)
Title: 5-[1-(phenyl or benzyl)-1h-indazol-3-yloxymethyl]-tetrazoles
IPC: C07D403/12
Filed: 1969-04-16
Abstract: 1,214,109. 5 - [1 - (Phenyl or benzyl) - 1H- indazol-3-yloxymethyl]-tetrazoles. CUTTER LABORATORIES Inc. 16 April, 1969 [17 April, 1968], No. 19434/69. Heading C2C. Novel 5 - [1 - (phenyl or benzyl) - 1H - indazol-3-yloxymethyl]-tetrazoles, wherein the benzene ring of the benzyl radical or the phenyl radical are optionally substituted by one or more halogen atoms or C 1-8  alkyl, C 1-8  alkoxy or trifluoromethyl groups, the methylene group of the benzyl radical is optionally substituted by one or two methyl groups, the bridging methylene group is optionally substituted by one or two C 1-4  alkyl groups, the indazole ring system is optionally substituted at one or both of the 5 and 6 positions by halogen atoms or C 1-8  alkyl, amino, acylamino or nitro groups and the tetrazole ring is optionally substituted by C 1-8  alkyl, carboxymethyl or carbo-C 1-8  alkoxymethyl groups are prepared by reaction of an alkali metal salt of the corresponding 1-(phenyl or benzyl)-1H-indazol-3-ol with the appropriate haloacetonitrile and reaction of the resulting 1 - (phenyl or benzyl) - 1H - indazol - 3 - yloxymethyl cyanide with an alkali metal azide in a high-boiling solvent in the presence of a catalytic amount of lithium chloride and a stoichiometric amount of ammonium chloride 1-Phenyl-1H-indazol-3-ols are prepared by reaction of an aniline with acetic anhydride, reaction of the resulting acetanilide with bromobenzene in the presence of potassium carbonate and catalytic amounts of potassium iodide and cuprous bromide, hydrolysis of the N-phenylacetanilide so formed with ethanolic hydrochloric acid, reaction of the diphenylamine thus produced with an excess of phosgene at a temperature of - 5 to +5 C. and reaction of the resulting diphenyl-carbamoyl chloride with sodium azide and cyclization in a refluxing solvent. 1-Benzyl-1H-indazol-3-ols are prepared by reaction of a phenyl bromide with magnesium in diethyl ether to form a Grignard reagent which is in turn reacted with formaldehyde, reaction of the resulting benzyl alcohol with a hydrohalic acid and treatment of the benzyl halide so obtained with indazolone and an alkali metal alkoxide. Pharmaceutical compositions having antiinflammatory activity comprise, as active ingredient, a 5-[1-(phenyl or benzyl)-1H-indazol- 3 - yloxymethyl] - tetrazole, together with a pharmaceutically acceptable carrier, and may be administered orally, subcutaneously or topically.
Patent GB-143104-A (GB)
Title: Improvements in or relating to joints or couplings for use in connecting rods for drain and sweeps machines and the like
IPC: F16B7/04
Filed: 1919-08-07
Abstract: 143,104. Potter, E. K. Aug. 7, 1919. Rod couplings.-In a coupling for use particularly with rods used for cleaning drains and chimneys, the portions 6 and 10 are formed half-round at the ends and on the half-round part of the element 6 is a projection 1 carrying a boss 2, which fits in a hole 3 in the half-round end of the portion 10. In the boss 2 is fitted a spring bolt 5 which engages a hole 13 in a sleeve 4 which is slid over the coupling. The sleeve 4 carries a tongue 14, Fig. III, which is pressed into a groove 11 in the portion 10 to prevent turning of the joint. The sleeve abuts against shoulders 15.
Patent GB-387591-A (GB)
Title: Improvements in rolls for cane crushing apparatus or mills
IPC: C13B10/06
Filed: 1932-07-09
Abstract: 387,591. Sugar-cane mills. VASCONCELLOS, J. M., 33, 13 de maio Campos, Rio de Janeiro. July 9, 1932, No. 19478. Convention date, July 10, 1931. [Class 59.] A roll for a sugar-cane mill is provided with a series of circumferential ribs a, b, the ribs a having the roots on an imaginary cylindrical surface XX and the ribs b haying the roots on an imaginary cylindrical surface YY coaxial with the surface XX. The ribs a, b or b only may be slotted. When three rolls are used they may be arranged in series and when two and three roll groups are used the ribs and grooves decrease progressively in width and height from one group to the other or from two to two or three to three groups, starting from the first group at the feed end of the material being treated.
Patent GB-716619-A (GB)
Title: Electron discharge device
Inventor: URT STANLEY WARREN LEFCO
IPC: H01J43/02
Filed: 1951-08-17
Abstract: A secondary emitting electrode is of a nickel iron chromium alloy with a sensitized surface formed thereon.  The alloy to be used is preferably that described in Specification 647,255. containing 3-45 per cent. nickel, 3-15 per cent. chromium, and 0.1-2 per cent. metals of the group consisting of aluminium, zirconium and calcium.  The electrode may be sensitized with barium oxide, caesium oxide or caesium silver oxide.
Patent GB-1071123-A (GB)
Title: Method for the determination of vanadium in petroleum materials
Inventor: MACMILLAN ELIZABETH
IPC: G01N33/28
Filed: 1965-05-10
Abstract: Vanadium is determined in petroleum feedstocks e.g. crude oils and fractions boiling above 250 DEG C by mixing the material with benzene sulphonic acid, ashing, dissolving in hydrochloric acid, oxidising with nitric acid, heating in the presence of sulphamic acid, adding sodium carbonate, filtering and acidifying the filtrate with orthophosphoric acid, adding haematoxylin and determining the optical density.  Procedural details are given, together with the procedure for obtaining a calibration graph using an accurate weight sample of vanadium pentoxide which is treated as in the latter part of the above sequence beginning by dissolving in aqueous sodium carbonate. A spectrophotometer operating at 520-523 mm  is employed for the final measurement.
Patent GB-773208-A (GB)
Title: Grass mowers
IPC: A01D75/30
Filed: 1954-07-03
Abstract: 773,208. Mowing machines. BORROW, E. W. June 28, 1955 [July 3, 1954], No. 19558/54. Classes 6(2) and 6(3). A machine for cutting grass comprises one or more cutters mounted at the front of a tractor, the cut grass being conveyed to a face by which it is blown through a duct to a trailer at the rear end of the tractor. The grass cut by the cutting units 4 is directed by means of deflecting plates 49, 50 to a transverse worm conveyer 28 which conveys it to a longitudinal worm conveyer 8 mounted on a shaft 6 and enclosed in a casing 9. The grass is directed through perforations in the conical end 10 of the casing 9 and is chopped by rotating knife blades 14, after which it is blown by means of a fan 5 through a duct 17 into a trailer drawn by the tractor. The shaft 6 is driven from the power take-off shaft 2 of the tractor via the lay shaft 58 and vee-belts 7 and in turn drives a shaft 24 from which the drive of the transverse conveyer and of the cutting units is derived. The lay shaft also drives a pulley 11, the extension 12 of which carries fan blades 13 and knife blades 14. The mounting of the cutting units is such as to allow them to be raised out of their operative position by means of pulleys 38, 39 and chains 37 connected to the hydraulic lift mechanism of the tractor. Means are provided for ensuring that the delivery end of the ducting 17 remains over the trailer and further, the delivery end is articulated about a horizontal axis so as to allow the end of the ducting to be raised or lowered, thereby controlling the distribution of grass in the trailer. The cutters 4 may comprise reciprocating agricultural knives delivering the cut grass to elevators which raise it to the longitudnal conveyer.
Patent GB-1099603-A (GB)
Title: Directional signal switch for road vehicles
IPC: B60Q1/42
Filed: 1966-05-03
Abstract: 1,099,603. Direction indicator switches for road vehicles. ESSEX WIRE CORPORATION. May 3, 1966 [Oct. 24, 1965], No. 19583/66. Heading G4Q. An operating mechanism for a turn indicator switch comprises a fixed member A to which a movable member B is pivoted. The member B is biased by a spring 43 towards the central position and carries at its ends pivots 28 which extend through slotted openings 34 in pawls 32. When the member B is rotated into an operative position the lug 36 on one of the pawls 32 engages in a detent notch 38 in member A to hold the switch on. When the steering column 14 is rotated to make the turn, cam lobes 46 and 48 move the pawl 32 against its retaining spring 40 or 42 (Fig. 8, not shown), and the lug 36 remains engaged in the notch 38; on return movement of the steering column the cam lobes rotate the pawl 32 and allow the switch to return to the neutral position under the influence of spring 43 unless the switch is held in the on position (Fig. 9, not shown). The cam 44 may be rotatably secured to the member A by spring fingers 50 (Fig. 3, not shown) and rotated by a cam driver D which is sprung on to the steering column 14 and which is provided with a projection 58 engaging a slot 60 in the cam. Alternatively, Figs. 11 and 12 (not shown), the cam may be driven by a pin (64) projecting downwards from the hub of a steering wheel and entering a notch (68) in the cam.
Patent GB-920438-A (GB)
Title: Safety latch
IPC: E05C1/16
Filed: 1959-06-08
Abstract: 920,438. Door latches. A. CREPINSEK. June 8, 1959, No. 19592/59. Class 44. A door latch comprises a casing 2 with spacedside walls 1, a latch bolt 3 slidably disposed within the casing and yieldably held in its locking position by a spring 10, a transverse bearing sleeve traversing the casing with its ends projecting outwardly from opposite sides thereof, operating knobs (not shown) with guide sleeves 8 rotatably mounted on the outwardly projecting bearing sleeve portions and in operating engagement with the latch bolt for retracting the bolt, a stop abutment bar 5 fixed to the latch bolt and extending to the transverse-tubular bearing sleeve, a stop abutment spindle 4 rotatably disposed within the tubular bearing sleeve for co-operating with the stop abutment bar, driving means (not shown) for rotating the stop abutment spindle from the operating knobs, the tubular bearing sleeve comprising two coaxial portions 25, 26 which extend outwardly from opposite sides of the casing and are prevented from rotation by engagement with the casing side walls, interengaging means being provided between the stop abutment spindle and the bearing sleeve portions to hold the latter against axial displacement yet permit rotation of the stop abutment spindle. In the construction illustrated, a third sleeve portion 32 is disposed between the sleeve portions 25, 26 inside the casing, but where only two are provided the portions which pass through the casing walls are extended to meet. The spindle 4 has a transverse opening which in one radial position of the spindle can receive the bar 5 to enable the bolt to be retracted and in another position of the spindle, 90 degrees from the first, prevents retraction of the latch bolt. The bearing sleeve has apertures 11, 15 to receive the bar 5. The interengaging means between the sleeve portion 25 and the spindle 4 is a plate-like member 39 which engages a slot 37 in the sleeve and an annular groove 38 in the spindle. The interengaging means between the sleeve portion 26 and the spindle is a screw 42 the end 43 of which engages an annular groove in the spindle and the stem of which engages a threaded hole in the sleeve portion 26. The head 45 of the screw engages a hole in the sleeve 8. The spindle 4 is moved to the position in which it prevents retraction of the bolt from one side of the door by a handle in the knob and, from the opposite side of the door, by a cylinder lock in the knob. Its movement is limited by a spring-loaded ball 22 in the sleeve portion 26 which engages a transverse groove 17 in the spindle 4.
Patent GB-227387-A (GB)
Title: Improvements in umbrella tip guards
IPC: A45B25/12
Filed: 1924-08-19
Abstract: 227,387. Schlemmer, G. Aug. 19,1924. Holding closed.-A tipcup made of rubber is formed with a stationary bottom 17 perforated for the passage of the stick 13, and a reversible side wall 15 integral with the bottom. The angle between the bottom and the wall is recessed, as at 19, so as to form a hinge part about which the wall can be turned from the position shown in Fig. 3, in which it engages the handle 14, to the position shown in Fig. 2, in which it engages the rib-tips 12. One side of the guard may be coloured to match the handle and the other to match the cover of the umbrella, also a projecting nipple may be formed around the perforation.
Patent GB-357642-A (GB)
Title: Improvements in holders for closet-seat protective pads
IPC: A47K17/00
Filed: 1930-06-27
Abstract: 357,642. Closet-seat guards. SIKHEMA, K., 25, Oleanderlaan, The Hague. June 27, 1930, No. 19627. Convention date, May 10. [Class 26.] In a holder for a pad of closet-seat guards comprising a piece of cardboard 1, Fig. 1, bent over the upper edge of the pad 2 and fastened by the supporting cord 18, a strip 9 of paper is pasted to the front side of the holder, the curving effect so produced serving to grip the pad ; the ends of the holder are closed by paper strips 8, and the back thereof is provided with a backing sheet equal in size to the pad and secured by means of adhesive. In another form, Fig. 3, paper strips are pasted to both front and back cardboard strips which are connected by pieces of paper 16, 17. The Specification as open to inspection under Sect. 91 (3) (a) comprises also a form in which metal pins are provided to secure the pad to the holder. This subject-matter does not appear in the Specification as accepted.
Patent GB-1084391-A (GB)
Title: Improvements in and relating to cylinder block for an internal combustion engine and an engine including said block
IPC: F02F1/16
Filed: 1965-05-10
Abstract: 1,084,391. Cylinders; cooling. PUBLICITE FRANCAISE. May 10, 1965 [June 11, 1964], No. 19687/65. Heading F1B. A flange 9 of a cylinder liner 7 is clamped in a rebate 4, formed in the cylinder block 1, by the cylinder head C whilst a flexible seal 5, disposed between a flange 6 of the liner and a shoulder 3 of the block, permits longitudinal expansion of the liner. Coolant chambers 12 surrounding each liner are supplied from a common manifold 14 via passages 17 and cavities 18, the coolant then passing through passages 19 to the cylinder head. The passage 17 and cavity 18 each have an inclined wall a line through which passes through the open end of the cylinder bore.
Patent GB-1324567-A (GB)
Title: Photographic couplers containing a fluoroaliphatic sulphonyloxy group
IPC: G03C7/32
Filed: 1971-06-09
Abstract: 1324567 Sulphonyloxy compounds MINNESOTA MINING & MFG CO 9 June 1971 [10 June 1970] 19773/71 Heading C2C [Also in Divisions C4 and G2] The invention comprises compounds of the formula R-X where R is an organic coupler radical which includes at least one aromatic ring and an active coupling function reactive with an oxidation product of a primary aromatic amino developing agent, and X is a fluoroaliphaticsulphonyloxy group which has at least three carbon atoms and which is bonded to a carbon atom of an aromatic ring of radical R in a non-coupling position. The compounds may be prepared from aminoaryl fluoroaliphatic sulphonate precursors by reaction through the amino group thereof.