baber/WOPTO huggingface dataset:
Patent GB-1149429-A (GB)
Title: Improvements in or relating to refractory compositions
IPC: C04B35/66
Filed: 1966-12-21
Abstract: 1,149,429. Refractories. KAISER ALUMINUM & CHEMICAL CORP. 21 Dec., 1966 [10 Jan., 1966], No. 57290/66. Heading C1J. A refractory composition consists of refractory aggregate, 0-2% of plasticizer, a finely divided reactive compound containing an alkaline metal oxide, NaH 2 PO 4  and 10- 200% (relative to NaH 2 PO 4 ) of a glassy alkali metal polyphosphate. The total P 2 O 5  content should not exceed 3%. Magnesia, -100 Tyler mesh, is the preferred reactive compound, though dolomite and lime can be used; periclase and/or chromite, dead burned dolomite, alumina and gannister are specified aggregates. Bentonite is used as a plasticizer.
Patent GB-1313550-A (GB)
Title: Process for the reduction of the biochemical oxygen demand of sewage and for the recovery of the inherent protein
IPC: C02F1/52
Filed: 1970-12-03
Abstract: 1313550 Sewage treatment TATABANYAI SZENBANYAK 3 Dec 1970 [15 Dec 1969] 57430/70 Heading C1C The biochemical oxygen demand of sewage containing protein is reduced by the addition thereto of at least 120 g./m.<SP>3</SP> of a water-soluble aluminium or iron salt and if required 0À5 to 1 kg./m.<SP>3</SP> of bentonite or kaolin in an aqueous solution of 5 to 10 g./m.<SP>3</SP> of homopolymers and copolymers of acrylic acid and acrylic amide, the pH of the so-treated sewage being then adjusted to exceed 10 by the addition of a basic calcium compound thereto, the protein-containing precipitate so obtained being separated from the basified aqueous liquor and its pH adjusted by means of carbon dioxide to a value of 7 or below. The precipitate may be dehydrated and then sterilized by heating under pressure at above 130‹ C. Suitable water soluble salts are aluminium sulphate, ferrous and ferric sulphate and ferric chloride. The basic calcium compound may be lime milk or calcium hydroxide.
Patent GB-1270151-A (GB)
Title: Rolling mill roll, in particular an overslung grooved roll for a wire rolling mill
IPC: B21B27/02
Filed: 1969-11-25
Abstract: 1,270,151. Rolling wire. SIEMAG SIEGENER MASCHINENBAU G.m.b.H. 25 Nov., 1969 [26 Nov., 1968], No. 57505/69. Heading B3M. [Also in Division F2] A rolling mill roll 1, suitable for an overhung wire rolling mill, is coupled by a frangible anchor bolt 12 and a keeper plate 18 to a driving sleeve 3, the sleeve being keyed to a driving shaft 2. A screw 5 may locate the sleeve axially on the shaft. The roll is rotatably coupled to the sleeve by abutments 20 which may be in the form of cylindrical (or conical) pins. The pins are located in slots in the sleeve and are engaged by wedge-shaped recesses 22 in the roll. If too great a torque is exerted on the roll, the recesses 22 ride up the pins and force the roll  axially away from the pins. The bolt 12 then fractures at a weakened section 24 to prevent overloading of the roll or of its drive. In place of the pins, balls may be provided, or the sleeve may be formed with axial wedge-shaped projections which engage in corresponding recesses in the roll. By removing the sleeve from the driving shaft, the bolt can readily be replaced.
Patent GB-1427050-A (GB)
Title: Paper feed device for use with copying machine or the like
IPC: B65H3/08
Filed: 1973-12-12
Abstract: 1427050 Feeding sheets FUJI XEROX CO Ltd 12 Dec 1973 [20 April 1973] 57647/73 Heading B8R Sheets are separated by a pneumatic separator from the top of a pile supported in a tray 9, Figs. 2 and 4, which is slidably supported on a platform 11, and fed by electrically grounded rollers to a processing-machine, the tray 9 incorporating at the rear end a device for applying an electrostatic charge to the edge of the pile to tend to separate the sheets from each other and thus prevent double feed. The device is separated from the pile by a removable screen 14 and comprises a plurality of needle electrodes 16 connected to a high tension D.C. source 18 and a plurality of grounded electrodes 17. The D.C. supply is automatically cut off when a door is opened for insertion of a pile of sheets into the tray.
Patent GB-1316619-A (GB)
Title: Article of furniture
IPC: A47B67/00
Filed: 1970-12-15
Abstract: 1316619 Furniture combinations BREMSHEY A G 15 Dec 1970 [16 Dec 1969] 59406/70 Heading A4H [Also in Divisions B8 and E2] A furniture article comprises a cylindrical box like structure 5 closeable by a top lid 20 having a mirror 21 on its inside face, the lid being moveable between a horizontal closed position, Fig.3, and an upright open position located to one side of the box, Fig.1. The lid 20 is mounted on a horizontal pin 23 extending from a vertical extension bar 22 so as to be pivotal about the pin axis for adjusting its inclination. The bar 22 carries at its lower end a roller 40, Fig.7, provided with gate slots for co-operation with a fixed pin 43 provided on a tubular support member 44 on box 5. When the bar 22 is raised with the lid closed, the pin 43 is received between edges a and b of the raised section 46 of the roller and causes the roller and bar to rotate in the direction x and the pin strikes a point 48 of the roller. By moving the bar and roller downwardly through a distance y, the pin is received in a point 49, in which position the bar and roller cannot be moved further downwardly. The bar 22 is therefore locked in pins raised position in which the lid is open. To close the lid, the bar 22 is raised anew and the pin 43 is guided into the section 50 causing the pin and bar to rotate in the direction x, the pin being received in point 51. A downward movement of bar 22 permits pin 43 to pass out between sections a and b and the lid can be closed. The box 5 is rotatably mounted on a column 1 which may be extensible and may have castors on its feet 2. An insert 61, Fig.3, detachabley receives a member 63 in the form of a part-circular shell divided into three quarters. TWO half circular shells 70 received on the box base 6 each have a claw 71, Fig.2, (not shown) for suspending from the upper edge of the box to serve as a table, Fig.1.
Patent GB-1365328-A (GB)
Title: Electrical contact surfaces
IPC: H01H1/02
Filed: 1971-12-22
Abstract: 1365328 Contact members for switches OREGA - CIFTE COMPAGNIE EUROPEENNE D'ELECTRONIQUE ET DE MECANIQUE 22 Dec 1971 [23 Dec 1970] 59692/71 Heading H1N A switch contact member particularly for a reed contact unit is made by putting in suspension in a bonding agent, such as ethylglycol, two metal powders with solvents and then covering electric contacts with the suspension before staining the effective covered surfaces and then heat treating the contacts at a temperature ensuring softening of the metal powder which has the lower melting point. The latter metal may be silver, and the other metal may be tungsten. These two metal powders may be mixed in the proportion 60 to 90% of powder having a higher melting point and 40 to 10% of powder having the lower melting point.
Patent GB-1402620-A (GB)
Title: Modacrylic filaments and fibres and process for their manufacture
IPC: D01F6/18
Filed: 1972-12-27
Abstract: 1402620 Modacrylic filaments and fibres HOECHST AG 27 Dec 1972 59703/72 Heading C3P [Also in Division B5] Modacrylic filaments and fibres, which remain brilliant and transparent on contact with water of a temperature above 80‹ C., are formed from a copolymer which is insoluble in acetone, has a K value (according to Fikentscher) of more than 95, and comprises units of acrylonitrile, from 20 to 45% by weight of vinylidene chloride, from 0 to 1À5% by weight of an ethylenically unsaturated sulphonic acid or a salt thereof, and from 0 to 10% by weight of one or more other copolymerizable compounds, e.g. methyl acrylate or methacrylate. (For the preparation of the filaments and fibres see Division B5).
Patent GB-1359479-A (GB)
Title: Apparatus for producing an expanded polymer material
Inventor: JONES P D
IPC: B29C44/34
Filed: 1970-12-16
Abstract: 1359479 Apparatus for expanding polymer pieces MACMILLAN BLOEDEL CONTAINERS Ltd 9 Dec 1971 [16 Dec 1970] 59784/70 Heading C3C Apparatus for expanding a multiplicity of pieces of expansible organic thermoplastic polymer comprises, a hollow cylinder formed with an inlet and an outlet, a conveying screw for conveying the polymer pieces through the cylinder from the inlet to the outlet, means for supplying a heating fluid to the cylinder to heat it to a temperature sufficient to cause the polymer to expand, a first metering device for feeding the pieces to the cylinder for a first step of expansion and a second metering device of greater volume than the first metering device for feeding the expanded pieces to the cylinder for a second step of expansion. In Fig. 1 beads of expandable organic polymer are fed to hopper 33 by the first metering device 25 having a conveying screw on shaft 37, then to hopper 41 and cylinder 12, having a conveying screw on shaft 17 and which is heated by steam via pipe 28 and branches 27. The expanded polymer pieces are discharged from cylinder 12 at 26 and fall into container 30 where they dwell for a sufficient time to allow permeation of air from blower 31 and are then fed into inlet 45 of second metering device 42 having a conveying screw on the same shaft as the first metering device. The polymer pieces are discharged into hopper 41 from which they pass for a second time into cylinder 12 for a second expansion before being discharged at 26. Figs. 2 and 3 (not shown) illustrate plan and end views of Fig. 1, which is a side view. The expanded polymer pieces may be used as dunnage or cushioning packaging.
Patent GB-1284439-A (GB)
Title: Fuel injector for a gas turbine engine
Inventor: CARLISLE DENIS RICHARD
IPC: F23R3/36
Filed: 1969-12-09
Abstract: 1284439 Spray burners ROLLS ROYCE Ltd 9 Dec 1969 59965/69 Heading F4T A fuel injector for a gas turbine engine comprises two concentric nozzles 30, 32 supplied with liquid fuel from ducts 42, 44 a shroud member 54 which forms an annular nozzle 38 supplied with gaseous fuel from a duct 46, and a cowl member 56 which defines an annular flow passage 62 and supports a conical baffle 60, the fuel from the central nozzle 30 impinging on a deflector 36 to reduce the spray angle, and the annular flow passage 62 being fed with combustion air. The central nozzle 30 is formed by drillings 48 in a nozzle member 28 clamped to a member 24 by a nut 26 which forms the nozzle 32 and the deflector 36. A heat-resistant plate 72 is secured to the baffle 60 so that, in use, heat is transferred to the baffle to prevent carbonizing thereof. The liquid fuel ducts 42, 44 are connected to an annular manifold (82, Fig. 1) connected to a fuel control unit (88) by a line 86. The gaseous fuel duct 46 is connected to an annular manifold (74) connected to the fuel control unit by a line (84) having a valve (92) and connected to a turbine compressor (12) by a line (94) containing a valve (90). When the gaseous fuel valve (92) is closed the valve (90) is opened so that high pressure air is supplied to the nozzle 38 to prevent "burn-back".
Patent GB-1366950-A (GB)
Title: Apparatus for differntiating bacilli
IPC: C12M1/24
Filed: 1971-12-23
Abstract: 1366950 Microbiological testing DIAGNOSTIC RESEARCH Inc 23 Dec 1971 60026/71 Heading C6F A system for differentiating enteric bacilli comprises three separate media, such that a surface of a second medium is completely covered by a surface of a first medium, the third medium being independent of the other two, and the first medium comprises peptone, yeast extract,  phenylalanine, L-tryptophan, dextrose, lactose, sodium chloride, ferric ammonium citrate, sodium thiosulphate, agar, bromcresol purple and water, the second medium comprises peptone, yeast extract, lysine, dextrose, agar, bromcresol purple and water, and the third medium comprises peptone, yeast extract, L-ornithine, L-tryptophan, dextrose, agar, bromcresol purple and water. The second medium is semisolid whereby to detect the mobility of the bacteria under test. The third medium may also be made in a double pour with the ornithine-deficient medium on top and the tryptophan-deficient medium on the bottom. The media may be contained in a partitioned transparent bottle.
Patent GB-609277-A (GB)
Abstract: 609,277. Ignition systems. BENDIX AVIATION CORPORATION. March 11, 1946, No. 7502. Convention date, March 15, 1945. [Class 7 (iv)] In an ignition system comprising a storage condenser, a current supply for charging the condenser and an electronic discharge valve which initiates the discharge of this condenser through a spark-gap (a transformer being used if desired between the discharge valve and the gap to raise the gap voltage to a spark-producing value), the discharge valve including an anode and a cathode between which the main discharge takes place and a grid which is biassed to make the valve conductive for initiating the main discharge, a contact maker is provided for connecting the grid of the discharge valve to the high potential side of a condenser for permitting a charge in this latter condenser to make the valve conductive. As shown, a condenser 21 is charged by a magneto 10 having a tapped secondary winding 14, through two half-wave rectifiers 20. The rectifiers may be cold-cathode point-to-plane rectifiers. A full wave rectifier could be used. The discharge of the condenser through a distributer 36 to the primary 38 of each in turn of a number of transformers 39, each associated with a sparking - plug is controlled by a strobotron cold-cathode gaseous discharge tube 23. The tube 23 is normally non-conductive since it is connected to earth through a resistance 28. The tube is rendered conductive by a contact-breaker 32 which periodically connects a second condenser 30, charged through a resistance 31 at the same time as the condenser 21, to a grid 26 of the tube. The contactbreaker 32 closes just after the contact-breaker 15 of the magneto has opened. The resistance 28 allows a potential to build up between the grid 26 and the cathode 23 of the tube when the contact-breaker 32 closes. Instead of the magneto a direct current generator may be used to charge the condenser.
Patent GB-1288340-A (GB)
IPC: A61C15/04
Filed: 1970-12-29
Abstract: 1288340 Dental floss dispersion B J JOHNSON 29 Dec 1970 [29 Dec 1969] 61557/70 Heading A5R A dental floss dispenser comprises a casing containing a pair of gripping members 19, 30 driven by means accessible from the outside of the casing so that a yarn which passes to the gripping member is held in tension across a yoke 12 in the casing. A yarn 35 from a bobbin 13 is passed between the inner wall of a first unwinding gripping member 19 and the outer wall of a boss 21 of the casing, about which the first gripping member is fitted, so that on turning the gripping member the yarn is fed along an extension of the casing (11) and across the yoke 12 for use in cleaning the teeth after which it returns to a second, larger rewinding gripping member 30, concentric with the first gripping member and moving at the same angular velocity. The yarn passes between the inner wall 31 of rewinding gripping member 30 and the outer wall of gripping member 19 after which it is disposed to waste through a hole 17 in the housing. A larger linear velocity is imparted to the yarn by the rewinding gripping member 30 than the unwinding gripping member 19 thus keeping the yarn under tension at the yoke 12. The inner and outer surfaces of both gripping members cogs are toothed to provide a good grip on the yarn, and the gripping members are turned by turning the outer surface of the rewinding gripping member 30. In a second embodiment, Figs. 8 and 11, (not shown), a thumbwheel (60) is integral with and positioned between the unwinding and rewinding gripping members (62) and (63), which cooperate with the surfaces (59) and (58) of bosses (57) and (56) respectively, in the same way as the boss 21 cooperates with the internal surface of the gripping member 19.
Patent GB-1241368-A (GB)
Title: Winding shaft for roll-cutting machines
IPC: B65H54/553
Filed: 1969-12-18
Abstract: 1,241,368. Winding webs. AGFA-GEVAERT A.G. 18 Dec., 1969 [23 Dec., 1968], No. 61659/69. Heading B8R. [Also in Division F2] A winding shaft on which winding tubes can be so positioned that they are in exact alignment with the separate webs produced by a roll-cutting machine comprises a body 1 provided with a longitudinal groove 2 and a stop ring 3. Sleeves 4, 4<SP>1</SP>, 4<SP>11</SP> having stops 5 pivotally mounted thereon are pushed on to the body 1, winding tube holders 6 being situated between the tubes 4 and 4<SP>1</SP>, and 4<SP>1</SP> and 4<SP>11</SP>. The stops 5 are in the form of levers whose stop surfaces form an angle of 135 degrees with setting levers 9; a rod 8 positioned in the groove 2 between the stop ring 3 and the adjacent stop 5 limits pivotal movement of the setting lever 9, and push rods 10 are disposed in the groove 2 between the other stops 5. A spring 11, tensioned by an adjusting nut 12, forces the sleeves and tube holders against the stop ring 3, and each stop 5 is retainable by a detent (Fig. 3, not shown) in a rest position as 5<SP>11</SP>, an operating position as 5, and in an intermediate position as 5<SP>1</SP>. In use, the uppermost stop 5 is first moved into the intermediate position (Fig. 1, not shown) and a first winding tube 13 is pushed on to the winding shaft from the bottom as seen in the drawing, over the stops 5<SP>11</SP> and 5<SP>1</SP> which are in their rest positions, and up to the stop 5 against which it is forced, whereby the stop 5 pivots to the operative position shown and displaces the push-rod 10 resulting in the setting of stop 5<SP>1</SP> into its intermediate position. The stop 5<SP>1</SP> then becomes operative as a stop for the next winding tube, and the same process is continued for further stops. The removal of fully wound rolls is effected in the direction opposite to that used when pushing on the tubes.
Patent GB-1329740-A (GB)
Title: Gaseous blast circuit breaker
IPC: H01H33/70
Filed: 1970-12-30
Abstract: 1329740 Arc rupturing in switches DELLEALSTHOM 30 Dec 1970 [16 Jan 1970] 61897/70 Heading H1N An arc rupturing device for a fluid blast circuit breaker comprises a nozzle 3 having a duct 2 with orifices 1 to provide a transverse fluid blast. The orifices are connected to individual chamber 4, common chamber 5 and a further chamber 7 having a piston 14. When the arc passes through duct 2 the heated fluid moves into the orifices and the associated chambers but returns to the duct as a cooled transverse fluid blast prior to the extinction of the arc at current zero. In Fig. 4 (not shown) the orifices are formed by a plurality of conductive metal discs inserted into the nozzle.
Patent GB-1275138-A (GB)
Title: Method of treating polymeric fibres
Inventor: THORNE DEREK JOHN
IPC: D01F9/22
Filed: 1969-12-19
Abstract: 1275138 Treating acrylic fibres ROLLSROYCE Ltd 25 Nov 1970 [19 Dec 1969] 62075/69 Heading B5B [Also in Division Cl] Acrylic fibres are heated under tension and/or while restraining shrinkage in a bath of silicone oil, e.g. methyl phenyl silicone, at 200-300‹ C. An inert gas may be bubbled through the bath. Treatment improves the physical properties of carbon fibres prepared in a subsequent pyrolysis step. Pyrolysis may be preceded by a further heating in an oxygen-containing atmosphere, e.g. by bubbling air or oxygen through the silicone bath.
Patent GB-1272687-A (GB)
Title: Counters
IPC: G06F7/60
Filed: 1969-12-30
Abstract: 1,272,687. Adder; code converter; counter. INTERNATIONAL BUSINESS MACHINES CORP. 30 Dec., 1969 [15 Jan., 1969], No. 63205/69. Headings G4A and G4H. An adder, counter, code converter comprises a number of logic junction generators 22 arranged in a first set, 2 and 3, which is responsive to a group of parallel input signals A-E and in a second set, 6, 7 and 8, which is responsive only to groups of parallel output signals from the first set to produce a number of differently weighted parallel output signals X, Y and Z. The weighted output corresponds to the number of " 1 "s present on the input lines A-E. Circuit details.-A logic function generator 22a is shown in Fig. 5 and comprises a number of transistors 26a, 28a, 29a. Additional transistors may be provided (see generator 22) to handle additional inputs and further interconnections within each generator and between generators may be provided to produce the desired logic functions. Additional generators 22 may be added to Fig. 6 to allow 7 or more inputs to be handled. A clamp circuit 32 is provided to prevent the transistors 29 and 29a from saturating and the device is constructed on two semiconductor chips which constitute the first and second sets of logic generators. As an adder.-An adder comprising N 7- input devices may be used to add 7 N-bit numbers, each device having as inputs corresponding bits from each of the seven numbers. The three outputs from the device may be combined in a known three input adder. As a counter.-The weighted outputs X, Y, Z correspond to, and thus count, the number of " 1 "s on the inputs lines A-E. Various reduction ratios may be used (i.e. the ratio of the number of inputs to the number of outputs), e.g. 7 : 3 or 15 : 4. In the embodiment the outputs are weighted 1À2À4 so that 7 inputs are the largest that can be represented on 3 outputs. As a code converter.-The logic generators may be arranged to produce weighted outputs from a number of equi-valued and/or weighted inputs. Further details.-The notation used in Fig. 6, e.g. (A, B, C) [1, 3], is used to mean that a " 1 " signal is present if exactly 1 or 3 of the input signals, A, B, C are 1, and a " 0 " signal otherwise.
Patent GB-2025933-A (GB)
Title: >Cephem and cepham compounds
IPC: C07D277/20
Filed: 1978-06-13
Abstract: The invention relates to cephem and cepham compounds and processes for their preparation, represented by the formula (I):   <IMAGE>  wherein R<1> is thiadiazolyl, thiazolyl of the formula:   <IMAGE> in which R<6> is amino or protected amino, or haloacetyl, A is methylene which may be substituted with amino, hydroxy or oxo, or a group of the formula:   <IMAGE> in which R<2> is hydrogen or an aliphatic hydrocarbon residue which may be substituted with halogen, carboxy or esterified carboxy,  R<3> is hydrogen or lower alkyl, R<4> is hydrogen, halogen, lower alkyl or a group of the formula: -O-R<7> in which R<7> is hydrogen, lower alkyl or acyl, R<5> is carboxy or functionally modified carboxy, and the dotted line represents 3-cephem and cepham nuclei, inclusively, provided that   i) R<4> is hydrogen, halogen or a group of the formula: -O-R in which R<7> is as defined above, when R<3> is hydrogen,   ii) R<4> is lower alkyl, when R<3> is lower alkyl, iii) R<4> is hydrogen, when R<1> is thiadiazolyl or thiazolyl of the formula:   <IMAGE> in which R<6> is amino or protected amino and A is methylene which may be substituted with amino, hydroxy or oxo, and   iv) A is methylene or a group of the formula:   <IMAGE> in which R<2> is as defined above, R<4> is hydrogen, halogen, lower alkyl or a group of the formula: -O-R<7> in which R<7> is lower alkyl and the dotted line represents 3-cephem nucleus, when R<1> is haloacetyl.
Patent GB-2023921-A (GB)
Title: Dental X-ray apparatus
IPC: H01J35/08
Filed: 1978-06-19
Abstract: Intra-oral dental X-ray apparatus for panoramic radiography comprises a tubular target carrier 331 supporting at its distal end a target 338 having an inclined forward face. Image definition is improved by positioning in the path of the X-rays a window 313 of X-ray transmitting ceramic material, e.g. 90% oxide of Be, or Al, 7% SiO2. The target carrier forms a probe which can be positioned in the patient's mouth. X- rays are directed forwardly and laterally of the target to an X-ray film positioned externally. Optionally the probe is provided with a detachable sleeve having V-form arms of X-ray opaque material which serve to depress the tongue out of the radiation path and also shield the roof of the mouth and other regions of the head from the X-ray pattern. A part cylindrical lead shield 339 defines the X-ray beam angle. <IMAGE>