baber/WOPTO huggingface dataset:
Patent GB-1512904-A (GB)
Title: Carbonising and combustion apparatus for husks
IPC: C10B1/04
Filed: 1976-08-10
Abstract: 1512904 Carbonizing organic waste S YAMAMOTO 10 Aug 1976 33303/76 Heading C5E [Also in Division F4] A shaft furnace for carbonizing dry organic waste such as husks comprises an upper hopper section 1 for the husks, a bottom hopper section 50 for collecting the carbonized product, an inverted funnel shaped heating plate 10 in the mid section of the furnace connected to a combustion tube 13 opening outside the furnace and connected to an induced draught fan, an air supply pipe 15 connected to a blower 52 and delivering air below the heating plate, and a rotary disc 33 having a scraper 31 to discharge carbonized products to the hopper section 50. A fixed baffle 40 comprising an outer fixed ring, an inner duct fixed to the air supply tube and radial spokes prevents the burden in the furnace rotating with the discharge plate. At start up, a torch inserted through opening 60 ignites the husks below the heating plate 10. When they are fully alight the air supply and exhaust fans are started up so that gases from the partial combustion of the husks are drawn into the secondary combustion tube 13 to burn with air drawn into its narrow end, and through an insulating tube surrounding the tube 13. The plate 10 becomes red hot so that husks falling on to it are carbonized. The shield 14 surrounding the tube 13 is flared at the discharge end, and a baffle is spaced from the end of the tube 13 so that hot gases of desired temperature may be obtained. Carbonized product is withdrawn from the bottom hopper section 50 by a pneumatic device operated by the air supply fan 52, and dampers 16a, 17 in the air supply conduit and the air inlet to the combustion tube 13 enable the operation to be controlled.
Patent GB-813121-A (GB)
Title: Copper to aluminium electric connector
Inventor: DUPRE HENRY P
IPC: H01R4/62
Filed: 1955-11-22
Abstract: 813,121. Cable couplings. BURNDY CORPORATION [formerly BURNDY ENGINEERING CO. Inc.]. Nov. 22, 1955, No. 33353/55. Class 38 (1). A connector for making a copper tap connection to an aluminium power line comprises an aluminium body 10 opposite ends of which are formed as hooks 12 which can be crimped on to the line 14, and provided with sockets 16 into which the ends of a copper bail 20 are compressed at 17, the copper tap being made to the bail. In a modification (Fig. 3, not shown), the intermediate part of the body is omitted, thus forming in effect a two-part body each with hook and socket. In each can the area of aluminium is sufficiently great in relation to the adjacent copper to minimize corrosion by electrolytic action.
Patent GB-354640-A (GB)
Title: Improvements in and relating to the suspension of automatic couplings, more particularly automatic railway vehicle couplings
IPC: B61G7/10
Filed: 1930-11-06
Abstract: 354,640. Railway &c. vehicle drawgear. KURTOSSY, L., 14, Bellevuestrasse, Berlin. Nov. 6, 1930, No. 33375. [Class 103 (v).] In a suspension device for automatic railway vehicle or like couplings of the kind in which each couplerhead 1 is supported in its normal position by means of levers acted upon by springs 12 or other counterbalancing means so arranged that, when any deflection of the couplerhead in an upward or downward direction occurs, the restoring force is augmented, this augmentation is obtained by causing the point of application of one of the two forces acting upon the lever, i.e. either the weight of the coupler-head or the counterbalancing force, to be displaced in such a manner as to effect a relative increase in the leverage of the force that is tending to return the coupler-head to its normal position. In the arrangement shown in Fig. 1, which illustrates a balanced position, the rod 4 extending from the coupler-head 1 is associated at two points 6, 7 with half-open bearings 8, 9 on a single-armed lever 10 to which the spring-controlled rod 14 is connected at the point 14<1>. Should the couplerhead be deflected in an upward direction, the rod 4 bears upon the lever 10 at the bearing 8 only, thus increasing the leverage due to the weight of the coupling ; if the coupler-head is deflected downwardly the rod 4 bears upon the lever 10 at the bearing 9 only, thus decreasing the leverage due to the weight of the coupling. In a modification, Fig. 2, the rod 4 is connected at a single point 15 to the lever 10, while the spring 12 is associated with the lever at two points 18, 19. Further modifications, functioning similar to the arrangements of Figs. 1 and 2, are described in which a two-armed lever replaces the single-armed lever 10 ; while in a further construction, Fig. 5, both the rod 4 and the spring 12 are each associated at a single point with a lever 21, but the latter has two fulcra 22, 23. In order to produce in addition a centralizing effort in cases of lateral displacement of the coupler-head, two rods 4 extending downwardly and outwardly from the coupler-heads may be employed, each rod being associated with a spring and lever arrangement of the kind previously described.
Patent GB-1121463-A (GB)
Title: Oxidation of aliphatic hydrocarbons
IPC: A23L27/00
Filed: 1965-08-04
Abstract: Alcohols are obtained from C10- 30 normal saturated hydrocarbons, which contain 0.2-10% by wt. of aromatic hydrocarbons, by oxidation with molecular oxygen at 145-175 DEG  C. in the presence of orthoboric acid, or a dehydrated form thereof, hydrolysing the reaction mixture residue and recovering alcohol therefrom, the boron compound being added in a finely divided solid form in a total amount equivalent in terms of B to at least 1 mol. orthoboric acid per 3 mols. product alcohol, and the addition thereof being controlled so that the maximum amount of total boron compounds present at any time during the course of the reaction per 100 gms. hydrocarbon substrate and per 100 milli-mols. of contained oxygenated organic compound is equivalent in terms of B to 200-22 milli-mo's. orthoboric acid.  This maximum amount of boron is highest for the lowest aromatic content of the hydrocarbon substrate and lowest for the highest aromatic content.  If selectivity to alcohol, based on hydrocarbon converted, is about 70%, 2C.4140 at least about 0.25 mol. orthoboric or metaboric acid per mol. hydrocarbon converted should be used; preferably 0.4 or 0.5 mol. acid is used. An oxidation initiator, e.g. a peroxy compound, may be included in the reaction mixture. Unreacted hydrocarbon and non-alcoholic oxidation products may be recovered before hydrolysis and recycled. Orthoboric acid recovered from the hydrolysis stage may be reused, preferably after dehydration.  Examples relate to the oxidation of a mixture of C11- 14 n-paraffins containing 3% aromatics.
Patent GB-1026881-A (GB)
Title: Improvements in or relating to automatic flight control systems for aircraft
Inventor: FERNSIDE KENNETH
IPC: G05D1/06
Filed: 1961-03-29
Abstract: 1,026,881. Automatic control of aircraft. S. SMITH & SONS (ENGLAND) Ltd. June 29,1962 [March 29,1961], No. 33441/60. Heading G3R. In an aircraft automatic landing system, signals from a lateral accelerometer are introduced to oppose any tendency of the aircraft to roll during landing. The invention is applied to an automatic landing system in which an aircraft flies along a localiser beam of an ILS system, down a glide-path beam, and then, when glide-path signals become unusable at say 150<SP>1</SP>, continues at the same constant airspeed and at a pitch altitude corresponding to the mean pitch altitude during  the last part of the glide until at say 50<SP>1</SP> throttles. are closed and the descent curved in a vertical  plane down to say 30<SP>1</SP> after which the wings are  maintained level and the rudder and ailerons are  automatically controlled to align the aircraft with the runway. As shown, aircraft ailerons 11 and ' rudder 43 are adjusted by velocity servometers 2 and 36 controlled by amplifiers 1 and 35 respectively. To maintain the wings level during the final stage of landing, signals from a bank rate gyro 18, a turn rate gyro 19 and the pitch pick-off of a gyro vertical 22 are applied to networks 17,16 which compute and phase advance a signal corresponding rate of bank about gravity axes. This signal is applied to aileron servo-amplifier 1 together with (a) a signal from a network 28 which differentiates the rate of turn signal, (b) a signal from a network 31 which differentiates a signal, corresponding to rudder angle, from a pick-off 32, and  (c) a signal from a network 30 which differentiates a signal from a pendulum 29 functioning as a lateral accelerometer. Rudder servo-amplifier 35 is controlled by (a) a signal from a network 46 which phase advances a signal, derived from a compass 48, which represents deviation from a runway heading selected by a knob 50, (b) a signal from a network 45 which adds a differential component to the rate of turn signal and (c) a signal from a network 44 which differentiates a signal, corresponding to aileron angle, from a pick-off 13. The specification also refers to aileron control signals dependent on bank attitude, rudder angle, and yaw rate.
Patent GB-366582-A (GB)
Title: Improvements relating to counters applicable to meters and other purposes
IPC: G01F15/07
Filed: 1930-11-07
Abstract: 366,582. Counting-apparatus. UNITED GAS INDUSTRIES, Ltd., 51, Lincoln's Inn Fields, and CHARLES, A., Meter Works, Rowan Road, Streatham Vale, both in London. Nov. 7, 1930, No. 33456. [Class 106 (i).] To prevent sticking, the counter and transfer - pinion spindles are geared to turn at each operation, by means not forming part of the operating means. As shown, the two spindles c, dare geared at a, b and on spindle c are fixed the lowest numeral drum e<1> and two wheels h, i secured together (or a single wheel) and having staggered teeth. Co-operating with these wheels is a driving disc g gapped at g<1> to admit the teeth of wheel h and having a tooth g<2> formed by the removed material to engage and drive the wheel i. Specification 356,263 is referred to.
Patent GB-172857-A (GB)
Title: Improvements in or relating to cutting tools
IPC: B23K31/02
Filed: 1920-11-26
Abstract: 172,857. Hancock, T. R., and Hancock, L. J. Nov. 26, 1920. Tools.-Composite cutting-tools are made by amalgamating copper or cast iron with a lowgrade steel body by gas or electric-arc welding, and then depositing thereon, or welding thereto a cutting tip of high-speed steel or alloy such as that known under the registered Trade Mark, " Stellite. "
Patent GB-851544-A (GB)
Title: Improvements in or relating to semi-conductor devices
Inventor: REICHENBAUM GEORGE
IPC: H01L23/36
Filed: 1957-10-28
Abstract: 851,544. Semi-conductor devices. ENGLISH ELECTRIC VALVE CO. Ltd. July 17, 1958 [Oct. 28, 1957], No. 33535/57. Class 37 A method of soldering a semi-conductor wafer to a heat sink comprises providing a reservoir for solder on the edge of the area that is to receive the wafer, filling the reservoir with solder by a preliminary firing and then placing the wafer on the heat sink and fixing the wafer by a second firing. As shown, the heat sink is constituted by a copper base with a ground flat surface 6 in which is a hole 3 approx. # inch deep and about the same diameter to form a well for the solder 4. On the base with its edge in contact with the solder is the semi-conductor wafer 2. The surfaces to be joined are first cleaned by, e.g. washing the wafer in a mixture of nitric and hydrofluoric acids and the base in nitric acid diluted 3 : 1 with water after which a final cleaning and storage in hydroquinone saturated solution is said to be an advantage. The solder used is 60/40 Pb/Sn. with preferably an addition of a small amount, 1 Mgm, of silver during the second firing. The first firing takes place in an atmosphere of hydrogen at 400C. the second in the same atmosphere at 500C. The first firing step may be omitted if a plug of solder slightly longer than the depth of the reservoir is used the solder being placed in the reservoir and the protruding portion flattened firing then takes place in an atmosphere of hydrogen at about 400C. the addition of silver conferring apparently little or no advantage.
Patent GB-1347635-A (GB)
Title: Package for antibiotics or bacteria
IPC: B65D75/32
Filed: 1972-07-18
Abstract: 1347635 Packages F HOFFMANN-LA ROCHE & CO AG 18 July 1972 [19 July 1971] 33539/72 Heading B8C [Also in Division C6] A package for maintaining bacterial control discs in a dormant uncontaminated state comprises a plastics sheet 1 with thermoformed blisters 3 containing the desiccated discs, and a cover sheet 4, preferably of paper, which is permeable to water but impermeable to bacteria and is discontinuously sealed to sheet 1 for ease of removal. A bacteria containing aqueous gelatine composition is placed in the blisters 3, the cover sheet is sealed in position, and the water is rapidly evaporated in a vacuum desiccator. The gelatine shrinks to discs within the blisters. Perforations allow separate blister packages to be torn off.
Patent GB-1125236-A (GB)
Title: Improvements in and relating to the positioning of a machine component on its path of movement
IPC: F16H27/00
Filed: 1966-07-27
Abstract: 1,125,236. Positioning machine components. CONTRAVES A.G. 27 July, 1966 [27 Aug., 1965], No. 33700/66. Heading B3B. A machine component e.g. a carriage or turntable, may be moved to a predetermined position by a drive member which forms the output of a reversible step-gear unit such as a Geneva mechanism, control means being provided to connect the drive member selectively to a continuously driven member in the step gear so that a predetermined number of equal movement steps can be transmitted to the drive member and thereby to the machine component. Electromagnetic control means KG control the connection and disconnection of Geneva crosses in coarse-step and fine-step gearing means SGg and SGf, to and from continuously driven members driven by motors M. A preselected number of fine and coarse movement steps are thereby imparted to the drive member WA through an addition gearing means DG. Each Geneva mechanism includes a Geneva cross 2, a continuously driven driving disc 1 and displaceable driving pins 3 mounted on the disc and adapted to be moved into and out of operative position (Fig. 3, not shown), by an electromagnetically operated fork member 4. Locking means, not shown, are provided to lock the Geneva cross when the driving pins are in the inoperative position. Counting means, not shown, are associated with the Geneva mechanisms to generate a signal when the desired number of movement steps have been transmitted. In order to ensure smooth movement of the drive member two similar Geneva mechanisms running 90 degrees out of phase may have their output movements summed in suitable addition gearing.
Patent GB-1151794-A (GB)
Title: Improvements in Static Electrical Converters.
IPC: H02M7/15
Filed: 1966-07-27
Abstract: 1,151,794. Converting. ALLM€NNA SVENSKA ELEKTRISKA A.B. 27 July, 1966 [28 July, 1965], No. 33767/66. Heading H2F In a converting system comprising a transformer feeding a controlled bridge rectifier arrangement, a signal is derived representing possible D.C. magnetization of the transformer 4 which is used to influence the delay angle for the different rectifiers in a direction to counteract the D.C. magnetization. The time constant of the system is such that it does not respond to transient D.C. magnetization (i.e. due to faults) and is preferably 10-100 times that of the existing system. The conducting period of the individual rectifiers may be monitored, comparing them with each other or with a reference. In another embodiment, current transformers are provided in the A.C. lines to the rectifier. Any secondary voltage induced in current-free period of one A.C. line indicates D.C. magnetization. A further embodiment uses filters to detect harmonics on the A.C. side or A.C. fundamental frequency on the D.C. side. Comparing conducting periods.-As shown in Fig. 4, the bridge rectifier 3 is coupled to a three-phase transformer 4 and supplies a D.C. network 2 via a smoothing reactor 12. The firing angle of rectifiers 3 is controlled by a pulse generator 8, 9, the timing of which is determined by a delay angle generator 5 and a control amplifier 6, the input of which is derived from a measuring transductor 7. A signal indicative of D.C. magnetization in the transformer 4 is derived at 14 by comparing the length of the control pulses of two rectifiers in one phase of the bridge 3. Any unbalance in the control pulse length results in an appropriate correction being supplied to the grid pulsing circuit. Fig. 5 (not shown) relates to a circuit for comparing the length of control pulses and comprises a pair of transistors supplied respectively with the control pulse from one rectifier and the inverted control pulse from another; the conducting intervals of the transistors are compared by a capacitor/rectifier system. Alternatively, the control pulse length may be compared with a reference at 15. Comparing phase currents.-Possible D.C. magnetization in transformer 4, Fig. 6, may be detected by comparison of the phase currents by means of current transformers 16 (only one shown). A pair of switching transistors 18, 19 are controlled at 23 so as to be conductive only when the output voltage from the corresponding phase of the control pulse generator 9 is zero. It is shown that any output from transistors 18, 19 is passed to delay angle generator 5 so as to correct the firing angle of rectifier 3 in the correct direction.
Patent GB-440682-A (GB)
Title: Improvements relating to liquid pumping systems
IPC: F04F5/46
Filed: 1934-11-26
Abstract: 440,682. Delivering liquids by gas pressure. BERESFORD & SON, Ltd., J., and SMITH, S. A., Cato Street Works, Birming- ham. Nov. 26, 1934, No. 33916. [Classes 71 and 102 (ii)] In a distribution system for water or other liquid, of the type in which the water is pumped into a storage tank and compresses air which serves for discharging the water, an injector is employed for replenishing the air. The water supplied by a pump to an opening b passes to the tank d through an orifice controlled by a hand-operated valve m. When the valve m is closed the water passes through an injector f, g and draws in air through a space h and a passage i controlled by a rubber check valve j. The air mixed with water passes to the tank through a pipe k. The water is withdrawn through an opening o, or through an opening p, shown closed by a plug q. The motor driving the pump is controlled by a pressureoperated switch connected to an orifice .s.
Patent GB-750279-A (GB)
Title: Improvements in internal shoe drum brakes
IPC: F16D51/66
Filed: 1954-11-23
Abstract: 750,279. Internal shoe-drum brakes. BRISSON, L. C. Nov. 23, 1954 [Nov. 23, 1953; Nov. 24, 1953], No. 33917/54. Class 103 (1). In an internal shoe-drum brake, as shown in Fig. 1, a primary shoe 18 is applied by an hydraulic actuator 15 so that, if the drum rotation is normal as indicated by the arrow, the shoe and actuator 15 tend to be carried circumferentially thus rotating a shoe carrier 13 so as, through member 11, to pivot a member 6 about a fixed pivot 4 and thus, by engagement of a pin 28 with the end of a lever 25, to pivot the latter about a fixed pin 21 and apply a braking force to one end of secondary shoe 29 through a block 27, the other end of shoe 29 being anchored on a block 23. It is stated that this arrangement provides a substantially constant torque effort despite variations in the coefficient of friction. Fig. 4 shows a similarly operated brake but using two secondary shoes in addition to the primary shoe and, for reverse rotation of the drum, the two secondary shoes 29 and 291 are applied, on movement of carrier member 13, by levers 25 and 25<SP>1</SP> so as to anchor on their end pivots. Another form of the brake having similar characteristics for forward drum rotation only is also described. Specifications 728,864 and 737,934 are referred to.
Patent GB-491478-A (GB)
Title: Improvements in or relating to welding fluxes and flux-coated electrodes
IPC: B67D1/00
Filed: 1937-12-08
Abstract: A welding-flux which is preferably used either as a core or a coating for an electrode consists of magnesium silicate and silica in the relative proportions of 1 to 1\2 -2 by weight, with or without titanium dioxide.  When used as a coating on an electrode it is applied by means of water and a binder such as sodium silicate, a suitable mixture being silica 14,4 per cent, magnesium silicate 8,2 per cent, sodium silicate 18,4 per cent, and water 60 per cent.  This flux may be associated with an electrode of manganese steel containing, for example, 12-15,per cent of manganese, 0,6-1,3 per cent of carbon, 2,75-5,0 per cent of nickel, 0,5-1,75 per cent of silicon, and up to 0,1 per cent each of phosphorus and sulphur, the balance being iron, and used for welding austenitic manganese steel with either direct or alternating current.  The presence of nickel in the welding electrode is stated to give an air toughening deposit and the hardness of the deposit may be increased by peening. Specifications 417,516, 419,285, [both in Group XXII], and 455,760 are referred to.
Patent GB-1075873-A (GB)
Title: Improvements in or relating to belt conveyors
IPC: B65G21/04
Filed: 1964-08-20
Abstract: 1,075,873. Endless conveyers. WESTING- HOUSE AIR BRAKE CO. Aug. 20, 1964 [Aug. 20, 1963], No. 34094/64. Heading B8A. An endless conveyer belt-supporting roller assembly 10 is suspended by chains 22, 23 from an uneven roof X. Each chain anchorage comprises an L-shaped bracket 28 having a keyhole slot 26 for the upper end of the associated chain 22 or 23, and a Z-shaped bracket 27 apertured at 34 for connection to a roof anchorage bolt (not shown). Slots 37, 38 in the respective brackets afford a bolt connection 29 which provides adjustment in two directions at right angles. Reference has been directed by the Comptroller to Specifications 931,982 and 931,983.
Patent GB-360203-A (GB)
Title: Improved urethral injecting tube
IPC: A61M31/00
Filed: 1930-11-13
Abstract: 360,203. Medical capsules or syringes. NEGRETE, S. S., 25, de Mayo Street, Buenos Aires. Nov. 13, 1930, No. 34211. [Classes 81 (i) and 81 (ii).] A device for injecting medicament into the urethra comprises a collapsable metal tube 1 having a conical end 2 terminating in a cylindrical nozzle 3. The nozzle is closed by a diaphragm 4 which is pierced before use. The other end of the tube is closed by folding in the usual manner.
Patent GB-521665-A (GB)
Title: Improvements in and relating to filing cabinets
IPC: B42F17/02
Filed: 1938-11-24
Abstract: 521,665. Filing papers. BUSSCHAERT, A. L. Nov. 24, 1938, No. 34213. [Class 146 (i)] A filing-cabinet drawer has side walls 2 with their upper edges stepped outwartlly to support guide plates 9 substantially vertically and locate them lengthwise of the drawer. The step is formed by a shoulder 3 upstanding at 4 and bent down to form outer walls 5 which have a shoulder 6 and a dependent flange 7 secured to the .walls 2. The slots 8 extend through the shoulder 3 and partly down the walls 2 to receive hook-members 10 on the separatqrs 9 which rise above the sides 4 but not to the height of the front 1. The rear wall may rise as high as the front 1 or a rear separator 11 of similar height may be used.
Patent GB-176148-A (GB)
Title: A new or improved machine for cutting the curved ends of sketch sheets and the like
IPC: B23D33/04
Filed: 1920-12-03
Abstract: 176,148. Hopkins, E., and Britten, D. M. Dec. 3, 1920. Shearing. - Relates to shearing-machines and consists of a machine for c u t - ting to the required curves the ends of plates to be used for milk churns &c. The plate 22, Fig. 5, to be cut is clamped by a hand-lever 25, Figs. 3 and 4, on a plate 23 forming part of a frame 5 which can swing about a vertical pivot 4 and runs on rollers 14 on a track 13. Adjustable angle irons 11 form stops for the sides of the plate to be cut. Two pairs of rotary cutters 19 are carried by headstocks 17. The cutters may be adjustable on their spindles to suit the length of the plate to be cut; or they may be carried on detachable spindles to enable the distance between them to be varied.