baber/WOPTO huggingface dataset:
Patent GB-470787-A (GB)
Title: Colouring of leather
IPC: D06P3/32
Filed: 1936-02-21
Abstract: Leather is dyed by applying thereto in either order an aqueous solution of a naphthylamine-or aminonaphthol sulphonic acid or an N-substituted derivative thereof which does not contain the group SO2NH- and does not possess tanning properties for the pelt and an aqueous solution of an aromatic diazo compound devoid of sulphonic or carboxylic groups, the aqueous solutions having a pH value from 3--9. The solutions may be applied by brushing, spraying or immersion.  The coloured leather may be after-treated with vegetable or synthetic tanning agents of fat-liquors.  In examples: (1) chrome calfskin is neutralized with sodium bicarbonate, drummed in a solution of K acid in sodium bicarbonate, drained and again drummed in a solution of a stabilized diazo salt from 4-chloro-2-nitroaniline (cf. Specification 238,676, [Class 2 (iii)]) (maroon); (2) a chrome sheepskin is brushed with a solution of Cleves' acid in sodium bicarbonate and then with a solution of the diazo salt from diazotized m-chloraniline and a naphthalene trisulphonic acid (see Specification 280,945, [Class 2 (iii)]); (3) similar to (2) using J acid urea and diazotized o-nitroaniline containing sodium acetate (orange).  Other components are listed in the Specification.
Patent GB-1076782-A (GB)
Title: Improvements in or relating to fire extinguishing compositions
Inventor: CAWOOD ERIC EDWARD COOPER
IPC: A62D1/00
Filed: 1963-02-19
Abstract: A dry, powder fire-extinguishant consists of powdered ammonium dihydrogen phosphate (NH4H2PO4) and 0.5 to 20% by weight of flowimprovers, e.g. dusting agents such as talc, mica, keiselguhr, ZnO, MgO; waterproofing agents such as metallic soaps, waxes, silicones, chlorinated silanes; and moisture absorbents such as tricalcium phosphate and calcium hydroxy-phosphate.  Dibutyl tin laurate may also be included.
Patent GB-932769-A (GB)
Title: Apparatus for obtaining samples from the walls of boreholes or channels
IPC: E21B49/06
Filed: 1961-02-14
Abstract: 932,769. Handling devices for use in reactors. ELECTRICITE DE FRANCE SERVICE NATIONAL. Feb. 14, 1961 [Feb. 15, 1960; Jan. 25, 1961], No. 5468/61. Class 39 (4). [Also in Group XXI] In an apparatus for obtaining samples from the wall of a channel in a reactor the radial projection and withdrawal of a coring tool 41, 42, 44 is by a screw 38 driven by an epicyclic gear 22, 26, 42, 35 including a clutch 24, 25 from a motor-driven shaft coaxial of the longitudinal axis of the apparatus. Associated with the gear is a linkage 57, 62 that ensures disconnection of the tool from the screw 38 and positive withdrawal along the screw into the casing 1 of the apparatus as the linkage is actuated by vertical movements of a means 80, 96, 100 having limited vertical movement and extending out of the casing, when gripped and raised by the means for lifting the apparatus out of the borehole. Movement of the means 80, 96, 100 also controls means 85, 89 for locking the apparatus in a desired position in a borehole when the core tool is being driven into the wall of the borehole.
Patent GB-470924-A (GB)
Title: Improvements in or relating to reproducing punches for statistical record cards
Filed: 1936-02-24
Abstract: 470,924. Selective punching-machines. THOMAS, A. Feb. 24, 1936, No. 5520. [Class 31 (ii)] In a punching-machine wherein master cards are read by a reciprocating pin box, a support is provided for a connection box containing elements which serve to transmit movement from the sensing pins to the punch-setting elements and means is provided for lowering the support together with the punch setting elements to permit replacement of the connection box. The support 20 has upstanding edge plates 21 provided with pins 24 and inverted-L-slots 23 ; the connection box 5 runs on and then engages behind the pins 24, while lateral projections 25 on the box ride on the side plates 21 and into the slots 23. A hand lever 34 when raised lowers the support 20 and when lowered resets the punch setting elements to zero. The lever 34 pivoted at 35 carries a pin 36 which engages a slot 37 in an arm 38 loose on a shaft 33 ; a pin 43 on the arm 38 co-operates with two spring-return arms 39, 40 keyed to the shaft 33. Slides 31 moved by an arm 32 on the shaft 33 are provided with pins 30 which engage slots 29 on the support 20 whereby when the hand lever 34 is raised the table is lowered, and when the lever is lowered a resetting bar 44 is operated. Normally, the setting elements are reset to zero after each card has passed by a cam 48 on driving shaft 16 acting through a lever 47 and a link 46 pivoted on the arm 38; displacement of the link 46 by a key 49 renders this mechanism inoperative. Link 46 is rocked clear of the lever 47 when the lever 34 is raised by a member 46a. The hand lever 34 is latched up by a latch 51 and pin 52 and may be released by a key 53 ; it is automatically released by the die member 55 engaging the latch tail 54. The lever 34 is held in normal position by springs 58, 59 on a rod 56.
Patent GB-512025-A (GB)
Title: Improvements in adjustable brackets
IPC: A47B57/04
Filed: 1938-02-23
Abstract: 512,025. Anti-dazzle screens; look-out reflectors. COLLIER & SONS, Ltd., E., and MILLING- TON, L. H. Feb. 23, 1938, No. 5666. [Class 103 (ii)] [Also in Group XIV] An angularly adjustable bracket for a mirror look-out reflector, anti-dazzle screen &c. consists of a bracket arm 25 with laterally bent ends 26 pivotally secured, by saddle plates 28, one to the mirror &c. 30 and the other to a rotatable member 12 carried by an attachment member 10. Spring plates 29, normally curved, are flattened when the saddle plates are secured in position and press upon the ends 26 to render the bracket self-sustaining. The pivot pin 13 of the rotatable member 12 may be secured between a saddle plate 22 and a spring plate 21. In a modification the inner end of the pin 13 has a securing nut 'and spring washer. Specification 416,184, [Group XIV], is referred to.
Patent GB-139491-A (GB)
Title: Process for the manufacture of bituminous emulsions
IPC: B01F5/10
Filed: 1920-02-25
Abstract: 139,491. Fraser, W. M. Oct. 24, 1917, [Convention date]. Water paints.-Bituminous emulsions such as are used for coating felt &c. and as binding agents for sand &c. in roofing are made by simultaneously pumping and mixing the bituminous substance and the soapy substance and by continuous passage of the mixture through the pump until the required emulsion is secured. The apparatus shown comprises a bitumen tank 1, soap tank 2, mixing-tank 3, pump 5 of reciprocating piston or other type, valved suction pipes 4, valved delivery pipe 6, and water supply pipe 7. Warmed Mexican residuum is placed in the tank 1 and a soap solution prepared from caustic soda, and resin oil is placed in the tank 2 and the valves so manipulated that the bitumen and the soap solution in the proportion of 75.5 gallons to 11 gallons are pumped to the top of the tank 3. The valves are then readjusted so that the initial mixture thus made is pumped continually from the bottom of the tank 3 and returned to the top of the tank, additional water being added gradually. In an alternative process, soap solution is circulated from the tank 3 to the pump and back and bitumen from the tank 1 is gradually added, additional water being added as before.
Patent GB-1021902-A (GB)
Title: Improvements in or relating to containers for fragile articles
IPC: B29C44/56
Filed: 1964-02-11
Abstract: A foam polystyrene container having an initial predetermined compression modulus has selected areas thereof subjected to a compressive force in excess of the compressive strength of the container and insufficient to produce permanent plastic deformation in order to produce areas of a lower compression modulus having a modified cell structure.
Patent GB-384491-A (GB)
Title: Improvements in window control mechanism
IPC: E05F11/38
Filed: 1932-02-27
Abstract: 384,491. Window regulators. ROETHEL, J. H., 1209, Meadowbrook Avenue, Detroit, Michigan, U.S.A. Feb. 27, 1932, No. 5926. Convention date, March 21, 1931. [Class 20 (iii).] A window regulator comprises a member 15a movable on parallelmotion links 12, 14 and having adjustably secured thereto a member 18 with two rollers engaging the bottom channel of the sash. One of the links 12 is actuated by a handle and reduction gearing, a counterbalancing spring 44 being connected to the lever pivot. The member 18 is adjusted by a slot and set-screw connection with the member 15a and the rollers thereon engage a recessed guide formed between the sash 29 and an attached member 30, springs 25 and conical washers 24 being mounted on the roller pivots. The bottom guide has openings formed therein for the simultaneous insertion of the supporting rollers.
Patent GB-806910-A (GB)
Title: A machine for moulding lumps of plastic material into a more or less spherical form
Inventor: GARNER JOHN HORACE
IPC: A21C7/02
Filed: 1954-03-01
Abstract: 806,910. Moulding spherical lumps of dough. DOMEX ENGINEERING CO. Ltd. May 23, 1955 [March 1, 1954], No. 5932/54. Class 87(2). A machine for moulding lumps of plastic material, e.g. dough, into spherical shape comprises outer and inner relatively rotatable members 19, 21, the inner member having a helical track 23 formed with a straight or convex working face. As shown the inner member is fixed and the outer member rotated by a motor 3 through a train of gears 7, 9, 13. The inner member is open at the top where it is provided with a deflecting member 28, the bottom being closed by a sloping surface 29 adjacent a lateral opening, Pieces of dough dropped into the open top of the inner member, fall onto the surface 29 and are thence elevated by the helix which moulds them to shape. The ratio of the helix angle in degrees to the outside diameter of the helix in inches is 22/13. Reference has been directed by the Comptroller to Specification 710,075.
Patent GB-663101-A (GB)
Title: Photographic developers
IPC: G03C7/413
Filed: 1949-03-04
Abstract: 4 - Amino - N - ethyl - N - (b  - acetamidoethyl) - aniline is prepared by heating together N-ethylaniline and b -bromoethylamino hydrobromide to yield N-(b -aminoethyl): N-ethylaniline, reacting with acetic anhydride, acidifying and treating with sodium nitrite, and reducing the acidified nitroso compound with zinc dust.  4 - Amino - N - ethyl: N - (b  - acetamidoethyl) - m - toluidine and 4 - amino - N - ethyl: N - (b  - acatamidoethyl)-m-phenetidine are similarly prepared.
Patent GB-540887-A (GB)
Title: Improvements in demodulator systems
IPC: H03K9/00
Filed: 1940-04-03
Abstract: 540,887. Wireless receiving systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and COLCHESTER, C. D. April 3, 1940, No. 6056. [Class 40 (v)] In a demodulation system for separating modulation signals from a carrier, the frequency of which may be of the same order as the modulation frequencies, separation is effected by converting the single-phase modulated signal into a three-phase signal, the separate phases being applied to a six-arm rectifier bridge. The invention is particularly suitable for demodulating signals derived by a filter from a frequency-modulated carrier. The incoming signals pass in series through the primaries of transformers T<SP>1</SP>, T<SP>11</SP>, shunted by inductance L and capacity C, the secondaries being connected as shown to the junction points of three pairs of rectifiers, connected to the modulation load R. The inductance L may be incorporated in the primary or secondary windings and the inductance L and capacity C may be connected across the secondary windings.
Patent GB-1171387-A (GB)
Title: Interpolymers of Vinyl Aromatic Compounds, Butadiene and Half Esters of Maleic Acid and process of making the same
Inventor: ZIMMERMAN ROBERT LANE
IPC: C08F22/00
Filed: 1967-02-09
Abstract: 1,171,387. Coating. DOW CHEMICAL CO. 9 Feb., 1967, No. 6186/67. Heading B2K. [Also in Division C3] Substrates, e.g. metals, are coated with a solution of a copolymer containing in chemically combined form 24-77% by wt. of at least one vinyl aromatic compound, 5-30% of a congugated diolefine and 15-51.5% of at least one maleate of formula: HOOC-CH=CH-COOR where R is a C 2-30  alkyl, an oxyethylene radical of formula -(C 2 H 4 O) x R' where R' is a C 1-8  alkyl radical and x is 1-6, or a radical of formula R"-C 6 H 4 - where R" is a C 9-15  alkyl radical. The copolymer may be of (i) styrene and/or α-methyl styrene, (ii) diethylene glycol monobutyl ether acid maleate ethyl acid maleate, isooctyl acid maleate tetraethylene glycol mono-nonylphenyl ether acid maleate hexaethylene glycol monododecylphenyl ether acid maleate or tripropylene glycol monomethyl ether acid maleate and (iii) butadiene. In examples (2) the terpolymer was made into an aq. solution with NH 4 OH and a silicone was added, the solution was cast on a steelpanel and baked; optionally the solution also contained pigment viz BaSO 4  and red iron oxide together with polypropylene glycol or cobalt naphthenate as drier; and (6) the terpolymer in xylene was mixed with cobalt, manganese and lead naphthenates and cast on iron panels.
Patent GB-1059205-A (GB)
Title: A gas-turbine installation
IPC: F02C6/02
Filed: 1965-02-12
Abstract: 1,059,205. Mounting generators. LICENTIA PATENT - VERWALTUNGS - G.m.b.H. Feb. 12, 1965 [Feb. 14, 1964], No. 6189/65. Heading H2A. [Also in Division F1 A gas turbine power plant comprises an assembly of gas turbine type gas generators, the gases from which are directed on to a single power turbine which drives a useful load. There are at least four gas generators 21 which are disposed in a circular assembly each gas generator having an air inlet 18 and a combustion gas outlet 19, and the gases from the gas generator discharge on to the blades of the separate powe turbine 10 which is of the axial-flow type. The turbine 10 drives a useful load in the form of an electric generator 12 which is so disposed that it is surrounded by the assembly of gas generators. The whole assembly is supported by means of pedestals 15, 16. The exhaust gas outlet from the power turbine is shown at 13.
Patent GB-407823-A (GB)
Title: An arrangement for producing rectangular picture in television receivers employing a cathode ray tube
IPC: H01J29/74
Filed: 1933-03-02
Abstract: 407,823. Television; cathode - ray tubes. ARDENNE, M. VON, 19, Jungfernstieg, Lichterfelde, Berlin. March 2, 1933, No. 6314. Convention date, March 7, 1932. Drawings to Specification. [Classes 39 (i) and 40 (iii).] Rectangular pictures are produced in television receivers by using a cathode-ray tube having pairs of ray-deflecting plates of different sensitiveness supplied with line and picture deflecting potentials of equal amplitude. The pairs of plates may be of different spacing or length and may operate at different points ; one pair may be 5 mm. apart and the other pair 8 mm. apart. The base of the tube is arranged so that the tube can be inserted into its mounting in one position only.
Patent GB-1505591-A (GB)
Title: Prosthetic vascular graft
IPC: A61F2/06
Filed: 1975-02-14
Abstract: 1505591 Vascular prosthesis D GOLDFARB 14 Feb 1975 [24 Oct 1974] 6347/75 Heading A5R [Also in Division C3] A tubular prosthetic vascular graft of expanded polytetrafluoroethylene has a microscopic structure consisting of irregularly spaced, generally ellipsoidal nodes of P.T.F.E. connected to each other by fibrils, the wall 1 of the graft having a thickness of between 0.2 and 0.8mm, the nodes being substantially uniformly distributed with an average separation of between 6 and 80 microns so that the passage of blood through the graft is prevented, and the average density of the P.T.F.E, being from 0.2 to 0.5gms/ml. whereby it is stated that controlled cellular ingrowth may occur through the wall 1 to promote and nourish an internal layer of cells 7 and to anchor the graft to adjacent tissue. The average inside diameter of the graft is less .than 40mm and may be less than 8mm down to 2mm. The graft has a tensile strength of between 2500 and 6500psi. A tapered graft may be provided having a diameter of between 5 and 8mm at one end and a diameter of between 2 and 6mm at the other end. The minor axis of each node is less than 18 macrons and the major axis of the nodes are arranged radially with respect to the tubular graft.
Patent GB-491846-A (GB)
Title: Improvements in and relating to apparatus for handling molten glass
IPC: C03B7/18
Filed: 1937-03-03
Abstract: 491,846. Glass manufacture ; cooling. TRIGGS, W. W. (Cornelius, Y. R.) March 3, 1937, No. 6364. [Class 56] [Also in Group XIII] Moulds, forehearths, and other parts of glassworking apparatus are kept cool by a closed circulatory system including a condenser, the efficiency of which is varied automatically in accordance with requirements. As shown in Fig. 6, a suction mould is formed with a cooling jacket 22 communicating by upwardly and downwardly extending pipes 30, 29 with passages in the supporting arm leading to a condenser 33. The cooling medium in the system is preferably mercury, and the flow of cooling air through the condenser is controlled through a valve 44 by the temperature or, as shown, by the pressure of the mercury vapour. Fig. 8 shows the application of the invention to a feeder plunger 49 cooled internally by mercury circulating in the closed system shown, the condenser, pipe connections and plunger being formed as an integral unit. The wall of the suction mould may be thinner than usual and be made of a heat-resisting alloy or metal such as tantalum.
Patent GB-152296-A (GB)
Title: Improvements in or relating to clutches
IPC: F16D13/08
Filed: 1920-03-03
Abstract: 152,296. Dortmunder Vulkan Akt.- Ges. Oct. 8, 1919, [Convention date]. Addition to 151,957. Clutches, friction. - In coil clutches operated by auxiliary cone clutches, the coil F is secured by driving- heads K to a. driving- disk T and at the other end is loosely secured to a clutch cone B which is adapted to be engaged by a cone E sliding on but turning with the driven shaft W<2>. Engagement of the clutch B, E tightens the coil F on a drum M on the shaft W<2> and during such engagement the web of the cone B is pressed frictionally against the end of the drum M, thus augmenting the effect of the friction of the parts B, E.
Patent GB-164460-A (GB)
Title: Improvements in internally heated gas irons
IPC: D06F75/02
Filed: 1920-03-04
Abstract: 164,460. Dickens, C., and Richmond Gas Stove & Meter Co., Ltd. March 4, 1920. Gas hand-irons comprise in combination a shell 1, closed at the rear by a detachable flat plate 15 held at the bottom in a transverse groove 19 and fixed at the top by a thumb-screw 17 and slot 18 and carrying a detachable burner 14, with an inclined flat deflector plate 5 of tapering width supported on legs 7 and secured by a screw 8 to the roof which carries also the handle 10. The burnt gases leave the iron by holes 6.
Patent GB-216946-A (GB)
Title: Improvements in acoustic reproducing devices
IPC: H04R7/12
Filed: 1923-03-07
Abstract: 216,946. Western Electric Co., Ltd., (Western Electric Co., Inc.). March 7, 1923. Diaphragms. - A diaphragm for an acoustic instrument consists of two conical surfaces 6, 7, united at their bases. The diaphragm is formed of fibrous material, such as paper or woven fabric, stiffened if necessary. It is freely suspended, preferably by a plurality of supporting members 11, 11 of light flexible material inside a ring 10. The receiver magnet 16 is supported on a bracket 15 on the ring 10, and a connection 18 from the magnet system is soldered to a metallic cap 17 on the conical member 6. The connection 18 may be operated by a vibrating armature operated by current-carrying coils situated between the poles of a permanent magnet. The ring 10 may be supported on a base 20.
Patent GB-144400-A (GB)
Title: Improvements in or relating to measuring gauges or callipers
Filed: 1919-03-18
Abstract: 144,400. Horstmann, F. W. March 18, 1919. Indicating.-A calliper gauge comprises a jointed or rigid beam A, Fig. 1, provided with an adjustable fixed contact B<1> at one end, and at the other with a movable contact B which operates an indicating dial by means of a spring- pressed rack E, Fig. 3, engaging a double segment gear I which in turn engages a pinion K carrying the indicating-finger and acted on by the spring N.
Patent GB-565876-A (GB)
Title: Improvements in or relating to the gaseous treatment of comminuted material
IPC: F26B17/10
Filed: 1943-04-29
Abstract: 565,876. Centrifugal machines. LAVAL, J. H. DE. April 29, 1943, Nos. 6763 and 6764. Convention dates, April 22, 1942, and Jan. 14, 1943. [Classes 23 and 59] An apparatus for the gaseous and heat treatment of comminuted material, such as vegetables (grass or other forage), animal foods (such as fish) and fuels (such as pine cones, peat saw-dust), comprises a hopper 13 for feeding in the material, and a fan 2 which whirls and cuts up the material in a heated gas and drives the mixture upwards to a cyclone separator 9. The fan is placed eccentrically in its casing and drives the gas stream obliquely, at high velocity and under rotation, against a wall 4, which forms the pressure side, some material dropping down the opposite, or lee side, wall for further treatment. The lee side wall is steeper than the pressure side. The fan may be provided with knives or saw blades to cut up the material. A furnace provides hot gases through an inlet 6.' Apertures .7 allow material which does not enter the separator inlet 16, to drop down a pipe 8 leading back to the fan inlet. The crosssectional area of 16 may be adjustable. Finished material leaves the separator through a pipe 10 and the gas passes upwards through an outlet 11 and back to the fan inlet. The hot gas entering at 6 should be as free as possible from oxygen. The temperatures and velocities attained by the mixture at various parts of the apparatus, are given in the Specification. Two or more apparatus may be connected in series. The chamber 1 may be circular, or other shape, in cross-section, and the fan outlet 3 of trapezoidal shape. Fig. 5 shows a modified layout with the fan 2 at the top of a pre-heating chamber 21 fed by gas and material through a pipe 6. The wall of the cyclone chamber is bulged at 24 to prevent coarser particles from falling down the chamber 29. In this arrangement, the fan is subjected to gas at a lower temperature than in Fig. 1. In a further modification, the chamber 21 is contained within the cyclone separator.
Patent GB-586279-A (GB)
Title: Improvements in and relating to aircraft control devices
IPC: G05D1/08
Filed: 1943-04-29
Abstract: 586,279. Fluid-pressure servomotorcontrol systems. JACK & HEINTZ, Inc. April 29, 1943, No. 6789. Convention date, April 16, 1942. [Class 135] The aircraft control device described in Specification 572,201 is modified by the provision of an airspun horizon gyro 51 controlling, through an air relay 55, the valve 61 of a hydraulic servomotor 64 for aileron operation. This servomotor is connected with the rudder servomotor 24 by pipes connected to cylinders having spring-balanced pistons 72, 74. The pressures in the pipes 20, 21 connected to the servomotor 24 are communicated through pipes 69, 68 respectively to the pistons 72, 74 so that the operation of the rudder is accompanied by corresponding operation of the servomotor 64 and thus of the ailerons 1 which automatically aid recovery of the aircraft from violent yaws or, in making turns, assist the rudder by giving the aircraft the correct angle of bank.
Patent GB-1048963-A (GB)
Title: The production of pulsed radiation
IPC: H05H3/06
Filed: 1964-02-18
Abstract: 1,048,963. Canal-ray tubes. DRESSER INDUSTRIES Inc. Feb. 18, 1964 [Feb. 18, 1963], No. 6804/64. Heading H1D. [Also in Division G6] In a pulsed neutron source, an ion accelerator is provided with an atmosphere of either deuterium or tritium and a target electrode impregnated with the same substances. A thin wire or rodlike anode 24 is surrounded by a circular fine wire mesh cathode 23 and the target 22. Electrodes 12 are for suppressing secondary electron emission. The reactions involved are of the " D-D " or " D-T " types, producing 2À2 m.e.v. and 14À4 m.e.v. neutronsrespectively.