baber/WOPTO huggingface dataset:
Patent GB-884104-A (GB)
Title: Well perforating charge and apparatus
IPC: E21B43/117
Filed: 1959-06-23
Abstract: 884,104. Blasting devices for perforating wells. JET RESEARCH CENTER Inc. June 23, 1959 [May 15, 1959], No. 21454/59. Class 9(1). A device for perforating well casings by means of hollow charges housed in a tubular carrier 10 as in Specification 837,900 is provided with an apertured strip 23 to support the individual charges 12 and to increase the size of the blasting charge within a given time the detonating fuze 47 is placed laterally of each charge. The strip 23 engages notches in the end closures of the housing 10 and has circular openings 24 from which extend keyways 44 to receive a fin 43 projecting from the wall of the charge 12. The charge unit 12 is thus correctly aligned with a thin section 11 of the housing 10. Further openings in the strip allow passage of the fuze cord 47 from one charge to the next. The cord is pressed into recesses 46 in the fins 43 and thus abuts a boss 26 having a radial opening filled with a primer charge and abutting a booster charge in the boss. The main charge 36 may be granular waxed RDX heavily compressed and the primer and booster charges may be pure RDX less dense than the main charge. A removable cap 34 closes the boss and a liner 38 of copper or other inert material is fitted into the hollow charge. An electric blasting cap attached to the lower end of the fuze cord has one lead grounded to the carrier and the other connected to an insulated terminal 53 connected to a conductor 54 in the cable used to lower the device down a well.
Patent GB-1157044-A (GB)
Title: Non-Rotating Single-Collar Drill Pipe Protector
IPC: E21B17/10
Filed: 1967-05-09
Abstract: 1,157,044. Boring earth &c. BYRON JACKSON. Inc. 9 May, 1967 [25, May, 1966], No. 21553/67. Heading E1F. A resilient drill pipe protector P rotatable relative a drill string S has internal shoulders 17 engaging a stop collar C. The protector is formed in halves joined by bolts 10. Channels 18, 19 permit drilling mud to pass between the protector, and the string and collar to act as a lubricant.
Patent GB-376038-A (GB)
Title: Improvements in or relating to the manufacture of yeast
IPC: C12N1/16
Filed: 1931-07-28
Abstract: Yeast is prepared by fermenting with aeration solutions of carbohydrates, the minimum value of the yeast concentration of which is about 8 per cent by volume, and adding fresh raw material intermittently or continuously after the attainment of the desired degree of multiplication of the yeast, whereby the yeast concentration is never allowed to fall below the said minimum value. The yeast concentration is preferably repeatedly reduced to the initial value by the additions made, and a proportion of the liquor of higher yeast concentration is drawn off prior to the addition of fresh raw material, fermentation being continued in the withdrawn liquid.  An example is given in which three fermentation vessels are used.  A diluted molasses solution is fermented in the first vessel with a mixture of press yeast from a previous operation and fresh mother yeast, the second vessel is used for completing the fermentation in the withdrawn portions, and the third is used for ripening without aeration.
Patent GB-985153-A (GB)
Title: Die casting method and apparatus
IPC: B22D17/30
Filed: 1963-05-30
Abstract: 985,153. Pressure casting. A. MADWED. May 30, 1963 [May 31, 1962], No. 21652/63. Heading B3F. In a die-casting process metal is prevented from freezing in the nozzle or dripping on to the die faces after a casting operation by effecting a controlled two-stage return movement of the plunger 15. The plunger makes a rapid partial return, with the dies 19 and 27 closed, to a position shown at a-a, which maintains the closure of the fill port 14a and produces a suction in the gooseneck. This draws the molten metal from the nozzle 17 as shown in Fig. 3. After a further timed interval the dies are opened, the plunger is completely retracted, uncovering the fill port thus permitting the level of the metal in the gooseneck to rise to the level in the pot, ready for the next injection phase of the casting operation. The plunger and movable die are hydraulically actuated and a circuit diagram is shown.
Patent GB-863848-A (GB)
Title: Improvements in or relating to sieves for combine harvesters or threshing machines
Inventor: HOCKEY WALTER STANLEY
IPC: B07B4/08
Filed: 1956-07-13
Abstract: 863,848. Sieves. MASSEY-FERGUSON (UNITED KINGDOM) Ltd. July 4. 1957 [July 13, 1956], No. 21674/56. Class 117 An oscillatory sieve for separating chaff from grain in a combine harvester or threshing machine has a transversely corrugated surface to provide a series of walls 11 which slope in a direction generally parallel to the direction of sieve motion and a series of walls 12 each of which slopes in a direction perpendicular to that motion and has arch-shaped holes 15 spaced therealong. The sieve may comprise a single metal sheet or several sheet-metal sections joined together with a strengthening fin running longitudinally along each joint. As shown in Fig. 3 the metal between adjacent holes 15 is curved to form inwardly extending lips 19. Lugs 13 are provided at the sides of the sheet for securing purposes.
Patent GB-149334-A (GB)
Title: Improved process for drying or hardening the surface of patent leather
IPC: C14C11/00
Filed: 1920-07-19
Abstract: 149,334. Stoeckly, J. J. Aug. 8, 1919, [Convention date]. Spark lamps; electrodes.-Ultraviolet light obtained by means of a high-frequency spark is used instead of the mercury-vapour lamp for hardening the surface of patent leather. The usual copper or brass electrodes may be used, or aluminium electrodes are stated to be suitable if the energy and frequency of the discharges do not exceed one kilowatt or sixty per second respectively. The energy and frequency of the discharges are regulated according to requirements.
Patent GB-1429998-A (GB)
Title: Instant-on circuit for a television receiver
IPC: H04N5/68
Filed: 1973-05-08
Abstract: 1429998 Converting RCA CORPORATION 8 May 1973 [10 May 1972 3 July 1972] 21749/73 Heading H2F In an "instant on" circuit for a TV receiver of the type in which the line deflection circuit comprises trace and retrace switching devices 46, 42, power for the cathode-ray tube filament is derived from a transformer 26 the current in which is periodically changed by the retrace 42 and in which the "instant-on-off" switch 90 in its OFF position is arranged to disable the action of the trace switch 46 and inhibit at least one of the signal processing stages (e.g. the video 110). As described, the A.C. supply 10 is rectified at 16 and smoothed at 18 and feeds current via two windings of transformer 26 to the line deflection circuit comprising trace thyristor 46 and retrace thyristor 42. The current in transformer 26 is periodically changed at the frequency of the line oscillator 30 so that the resulting voltage in winding 26d supplies the filament of the cathode-ray tube 94. The voltage induced in winding 26c is rectified at 80 and supplies the video 110 when the "instant-on-off" switch 90 is in its ON position. In the OFF position of switch 90, the trace switch 46 is short-circuited, the circuit being so arranged that under such conditions the cathode-ray tube filament is operated at 5 v., the tuning of the line deflection circuit being changed when the switch 90 is set to ON so that the filament voltage is then increased to its operating value of 6 v. Further adjustment of the standby and ON filament voltages is achieved by diode 302, resistor 300 and possibly another resistor (Figs. 2 and 3, not shown). A winding 68c supplies flyback pulses to EHT rectifier and flywheel sync. circuits. The voltage across windings 68b is rectified at 130 and supplies power to the chroma amplifier 124. The field deflection circuit 98 is switched by contacts 4 and 5 of switch 90. A thermistor 14 limits the peak current in rectifier 16.
Patent GB-585897-A (GB)
Title: Improvements relating to self loading trucks
IPC: E02F3/36
Filed: 1944-11-07
Abstract: 585,897. Loading vehicles. FROST, R. H., HARP, E. J., THORNBURGH, L. F., and BERG; H. I. Nov. 7, 1944, No. 21873. [Classes 78 (iii) and 78 (iv)] [Also in Groups XXI and XXXII] In a self-loading truck provided with a loading scoop which can be swung into a loading position ahead of the truck or into a dumping position above the body of the truck, the scoop is mounted on a cross-shaft having a cranked portion which is connected to the piston rod of a pivotally mounted main power cylinder and is also engageable by the piston rod of a booster power cylinder, the arrangement being such that both piston rods are retracted when the scoop is in loading position and means are provided for supplying fluid pressure simultaneously to both cylinders, so that, on starting to raise the scoop, the piston rod of the booster cylinder engages the crank and assists the piston rod of the main cylinder in turning the crank. Figs. 1, 2 show the application to a truck having a body 5 which may be unloaded by tipping about an axis 6. The scoop 9 is mounted on arms 8 on a shaft 7 provided with a crank 11 having its pin 16 connected to the piston rod 15 of a double-acting hydraulic cylinder 12 which is pivotally mounted at 13 on plates 14 secured to the vehicle frame. Additional power is supplied to the crank during the first stage of its movement by the booster unit comprising a piston rod 20 in a hydraulic cylinder 19 engaging a steel block 21 on a cheek of the crank. The cylinder 19 is mounted on a yoke 17 on bed plates 8 and is connected by a conduit 24 to the cylinder 12 provided with conduits 22, 23 connecting it to a pressure pump, e.g., the one which normally effects tipping of the body 5. The piston rod 20 has a substantially shorter stroke than the rod 15 so that it only remains in contact with the crank through a small arc of movement of the scoop. A hood 25 protects the cab 4 and is provided with side plates 26 to direct any material falling thereon into the body of the truck when this is tipped.
Patent GB-573283-A (GB)
Title: Improvements in electric transformers
IPC: H01F30/14
Filed: 1943-12-31
Abstract: 573,283. Phase changing. FOSTER TRANSFORMERS & SWITCHGEAR, Ltd., and BAGNALL, R. I. Dec. 31, 1943, Nos. 21909/43 and 21111 /44. [Class 38 (ii)] An arrangement for supplying a single-phase load from a three-phase network comprises a winding 3 connected between two phase terminals 6, 7, a second winding 1 connected between the third phase terminal 5 and a tapping 8 on the winding 3 and forming the primary of a transformer, the secondary 2 of which feeds the load, and a condenser 4 connected between the phase terminal 5 (or a tapping on or extension of the winding 1) and a point 9 on the winding 3 displaced from the point 8 to which winding 1 is connected. In a modification, Fig. 2, the condenser is supplied by the resultant of voltages derived respectively from the secondary 2 feeding the load (or another secondary associated with the winding 1) and a secondary 10 associated with the winding 3. Specification 479,112 is referred to.
Patent GB-797987-A (GB)
Title: Improved catalytic element and method of manufacturing such elements
Inventor: LANE BERNARD FREDERICK ADAMS
IPC: B01J23/50
Filed: 1955-07-29
Abstract: A catalytic element for decomposing fluids, particularly hydrogen peroxide, which comprises a coating of silver on a metallic element, e.g. of nickel or copper wire mesh or "wool" as described in the spraying process of Specification 761,234, is immersed in a solution of ammonia in which silver oxide has been dissolved and whose concentration of silver is such that the metal of the supporting structure is anodic to silver in the solution. A modification of this method is to anodically treat the catalytic element and then to immerse the element in an aqueous solution of ammonia so that the silver oxide dissolves from the surface of the element to provide the appropriate silver content in the aqueous solution of ammonia.ALSO:A catalytic element for decomposing fluids, particularly hydrogen peroxide, which comprises a coating of silver on a metallic element, e.g. of nickel or copper wire mesh or "wool" as described in the spraying process of Specification 761,234, is immersed in a solution of ammonia in which silver oxide has been dissolved and whose concentration of silver is such that the metal of the supporting structure is anodic to silver in the solution.  A modification of this method is to treat the catalytic element anodically and then to immerse the element in an aqueous solution of ammonia so that the silver oxide dissolves from the surface of the element to provide the appropriate silver content in the aqueous solution of ammonia.
Patent GB-946895-A (GB)
Title: Process for the protection of textiles
IPC: D06M16/00
Filed: 1962-06-06
Abstract: Fabrics, e.g. cotton fabrics, are protected against the action of noxious organisms, e.g. fungi and bacteria, by coating them with mixtures of neomycin and bacitracin, zinc neomycin and bacitracin, zinc bacitracin and neomycin, zinc bacitracin and zinc neomycin, copper neomycin and copper bacitracin, copper neomycin and bacitracin, or neomycin and copper bacitracin.  The compounds may be applied to the fabrics in any order although it is preferred when applying free neomycin or bacitracin in combination with zinc or copper neomycin or bacitracin to apply the zinc or copper neomycin or bacitracin first.  The zinc or copper neomycin or bacitracin may be formed in situ on the fabric by placing the fabric in an aqueous solution of bacitracin or neomycin, adding an aqueous solution of zinc or copper chloride, adjusting the pH of the solution with sodium hydroxide to precipitate the zinc or copper neomycin or bacitracin on the fabric, removing the fabric from the solution and drying it.  The fabric may then be treated with a solution of neomycin or bacitracin in a lower alcohol, e.g. methanol or butanol 0,05-2% by weight of the mixtures based on the weight of the fabrics may be applied.  The mixtures may comprise from 100 units of neomycin containing compound: 1 unit of bacitracin containing compound to 1 unit of neomycin containing compound: 5 units of bacitracin containing compound.ALSO:Textiles, e.g. cotton fabrics, are protected against the action p  of noxious organisms, e.g. fungi and bacteria, by impregnating them with mixtures of neomycin and bacitracin, zinc neomycin and bacitracin, zincbacitracin and neomycin, zinc bacitracin and zincneomycin, copper neomycin and copper bacitracin, copper neomycin and bacitracin, or neomycin and copper bacitracin.  The compounds may be applied to the textiles in any order although it is preferred when applying free neomycin or bacitracin in combination with zinc or copper neomycin or bacitracin to apply the zinc or copper neomycin or bacitracin first.  The zinc or copper neomycin or bacitracin may be formed in situ on the textile by placing the textile in an aqueous solution of bacitracin or neomycin, adding an aqueous solution of zinc or copper chloride, adjusting the pH of the solution with sodium hydroxide to precipitate the zinc or copper neomycin or bacitracin on the textile, removing the textile from the solution and drying it. The textile may then be treated with a solution of neomycin or bacitracin in a lower alcohol, e.g. methanol or butanol 0.05-2% by weight of the mixtures based on the weight of the textiles may be applied.  The mixtures may comprise from 100 units of neomycin containing compound : 1 unit of bacitracin containing compound to 1 unit of neomycin containing compound : 5 units of bacitracin containing compound.
Patent GB-1184719-A (GB)
Title: Improvements in or relating to Projection Systems
IPC: G03B15/12
Filed: 1967-05-11
Abstract: 1,184,719. Composite photography; slide projection. METRO-GOLDWYN-MAYER and T.W. HOWARD. May 7, 1968 [May 11, 1967], No. 21987/67. Headings G2A and G2J. A front projection system for use in composite cinematography is mounted as a single mobile unit and comprises an arc lamp in housing 11, a condenser system 12 in a separate housing 13 adjustable relative to housing 11 to permit wideangle illumination of large transparencies 15 for projection via objective 16 and semi-transparent mirror 19 on to background screen 18 in front of which object or actor 23 is photographed by cine or still camera 22 directed through mirror 19. Screen 18 has high directional reflectivity and is coated with glass beads, while lamps 24 light the subject 23. Transparency 15 is carried in a mount which may be reversibly rotated or traversed horizontally or vertically by electric motors. Linear and angular adjustment of bath mirror 19 and camera 22 is provided by lead-screws and rock and pinion.
Patent GB-1459944-A (GB)
Title: Preparation of unsaturated alcohols
IPC: C07C29/36
Filed: 1974-05-17
Abstract: 1459944 Preparation of 1-hydroxy-3-alkenes TEXAS ALKYLS Inc 17 May 1974 [10 Sept 1973] 21987/74 Heading C2C [Also in Division C5] The invention comprises cis-3-octen-1-ol, cis- 6 - methyl - 3 - hepten - 1 - ol, cis - 3 - decen- 1 - ol, cis - 6 - methyl - 3 - nonen - 1 - ol, cis - 8- methyl - 3 - nonen - 1 - ol and cis - 4 - hepten- 1-ol and the preparation of compounds (I) where R 1  is C 1-16  alkyl and R 2 -R 5  are hydrogen, C 1-12  alkyl or C 6-10  aryl optionally substituted by C 1-6  alkyl, C 1-6  alkoxy or halogen, by reacting a predominately cis-compound where R is C 1-6  alkyl with a compound (II) at - 80‹ to 200‹ C. and treating the product with a mineral acid to form the unsaturated alcohol. The reaction of the aluminium compound is preferably carried out in the presence of a Lewis Base. The compounds of the invention have flavour and fragrance imparting properties.
Patent GB-531663-A (GB)
Title: Condenser dielectrics and methods of preparing them
IPC: H01G4/22
Filed: 1939-07-28
Abstract: 531,663. Condensers. STANDARD TELEPHONES & CABLES, Ltd. July 28, 1939, No. 21994. Convention date, Aug. 31, 1938. Drawings to Specification. [Class 37] In making up a dielectric, up to 10 per cent. of compounds of mercury, lead or silver are incorporated with halogenated substances such as chlorinated naphthalene or chlorinated diphenyl, the metal compound serving to counteract the formation of free acids. The compound may be incorporated in the paper base by adding to the pulp in manufacture. The compound may be a salt of a weak acid such as boric, carbonic, citric or acetic, or those contained in the pectins, gum arabic, cherry gum or the acid carbohydrate derivatives such as gluconic or uronic acids. Certain cellulosic substances, containing relatively large amounts of beta and gamma cellulose, react with the salts, and uncombined salts may be washed free.
Patent GB-721122-A (GB)
Title: Improvements in and relating to freezing trays
IPC: F25C1/24
Filed: 1953-08-10
Abstract: 721,122. Ice-making. GENERAL ELECTRIC CO. Aug. 10, 1953 [Aug. 9, 1952], No. 22034/53. Class 29. In an ice tray having a grid comprising a longitudinal divider 3 passing through central slots 15 in transverse dividers 4, the compartments are further subdivided by one or more further longitudinal dividers 20, 21 passing through inclined slots 17, 16 in the dividers 4. The blocks are freed by the pivoting of a lever 10 which, through links 8 constituting the upper part of a divider 3 and having each a shoulder 9 engaging the corresponding divider 4, pulls the dividers towards the vertical position. In this position the outer rows of blocks are supported by inturned parts 14 of dividers 4 in a similar manner to that described in Specification 677,307 and the inner rows are supported by the inclined dividers 20, 21. As shown the ends 22 of these dividers are bent and are also deformed at 24 to retain the assembly in shape. In a modification the dividers 20, 21 are straight so as to be removable from the grid.
Patent GB-464664-A (GB)
Title: A transmission variable speed gearbox applicable to pedal operated cycles
IPC: B62M11/14
Filed: 1936-08-11
Abstract: 464,664. Change-speed gearing. NEW, D. Aug. 11, 1936, No. 22060. [Class 80 (ii)] A three - speed gear suitable for cycles is operated by back-pedalling half a turn and manually moving a countershaft 7 towards and from a pedal shaft 2. Keyed at 3<1> on the shaft 2 is a toothed wheel 3 with through pins 6 upon which slide outer toothed wheels 4, 5 biassed outwards by springs 13, 14. Mating wheels 8, 9, 10 are fast on the shaft 7 which is mounted in a sliding box 40 which can be raised and lowered of Fig. 1 by a manual control 11. Keyed on the shaft 2 are two bosses 18 each with a finger 17 projecting inwardly against a cam sleeve of which there are two, 15, 15<1>. The parts are shown in highspeed position, the drive passing through the pair 3, 10, then on through a chain from a sprocket 30 and through a toothed pair which causes the road wheel to turn in the forward direction of pedalling. The sleeves 15, 15<1> are allowed to turn freely forwards by detent pawls 28. To change to middle speed, the box 40 is lowered until the wheel 5 slips left into mesh with the wheel 9, the wheel 4 being held at its inner position by its overlap of the wheel 8. To bring in low speed, the box 40 is lowered until the wheel 4 slips right into the position of Fig. 2 so as to drive the wheel 8. To return to high speed, the pedals 47 are given a half turn backwards which causes the fingers 17 to cam the sleeves 15, 15<1> both inwards so as to thrust the wheels 4, 5 together against the wheel 3. The pawls 28 have held the sleeves 15, 15<1> against backward turning so that the fingers 17 can thrust them axially. The box 40 is then raised to bring the pinion 10 into mesh with the wheel 3 as shown. By a combination of momentary back-pedalling and sliding of the box 40, any speed can be engaged.
Patent GB-1337866-A (GB)
Title: Clamping means
IPC: B26D7/02
Filed: 1971-04-19
Abstract: 1337866 Clamps INTERMENUA (PTY) Ltd 19 April 1971 [25 Feb 1970] 22155/71 Heading E2A A plate 15 is clamped to a shearing table 12 by means of a cam-shoe 1, pivoted to the machine frame at 2 and forced down at pivot 3 by a hydraulic ram 8.