baber/WOPTO huggingface dataset:
Patent GB-698560-A (GB)
Title: Process for the preparation of oxazolines
IPC: C07D263/14
Filed: 1951-02-12
Abstract: The oxazoline of the formula <FORM:0698560/IV (b)/1> is prepared by treating the chloropropanol <FORM:0698560/IV (b)/2> with dilute aqueous alkali metal hydroxide.  Preferably the chloropropanol is dissolved in a water-miscible inert organic solvent such as ethanol and dilute aqueous sodium or potassium hydroxide added; the mixture is left to stand at room temperature until reaction is complete.  The process is applicable to the D-, L- and DL-forms of the erythro and threo isomers, no epimerization occurring on ring-closure.  The DL- and D-threo forms are the most important starting materials and these can be obtained from the DL- and L-erythro forms respectively by treatment successively with sulphuric acid and ammonia.  The DL- and D-threo-oxazolines have antibiotic activity and are intermediates in the production of chloramphenicol (see Specification 698,544). Examples are given of the production of various isomeric forms of the oxazoline.  Reference has been directed by the Comptroller to Specification 698,542.
Patent GB-205006-A (GB)
Title: Improvements in automatic liquid weighers
IPC: G01G13/00
Filed: 1923-02-05
Abstract: 205,006. Forrester, H. J. C., (Savoy, D. E. A.). Feb. 5, 1923. Automatic-feed weighers.-Relates to an apparatus for weighing liquid as it is dispensed from a container and for automatically shutting off the flow after a predetermined amount has been dispensed. The flow of liquid from a container 1 through a spout 2 is controlled by a valve 4 which is normally held in a closed position by a spring 8 acting through a lever 5. A weigh-beam 13 pivoted to a bracket 9 secured to the container is provided with an extension 12 adapted to engage the lever 5. A platform 26 is connected to the weigh-beam 13 by a chain 18, and is pivoted to the lower end of a rod 22 extending from a plate 10 carried by the bracket 9. Pivoted to the lower end of the plate 10 is a tare-beam 19 also connected to the chain 18. In use, a receptacle 27 is placed on the platform 26 and balanced by a poise 21 on the tare-beam. A poise 16 is adjusted to balance the liquid to be dispensed and causes the beam to pivot thus opening the valve 4 and allowing the liquid to flow into the receptacle. When the required amount of liquid has been dispensed the beam tilts, the poise 16 slides to the inner end of the beam, and the extension 12 disengages the lever 5 allowing the valve to close.
Patent GB-474970-A (GB)
Title: Improved scanning method for television and like systems
IPC: H04N3/10
Filed: 1936-02-05
Abstract: 474,970. Television. SCOPHONY, Ltd., and OKOLICSANYI, F. VON. Feb. 5, 1936, Nos. 3456 and 10856. [Class 40 (iii)] A liquid, in which compressional waves of supersonic frequency travel, is illuminated at an angle to the direction of the waves, either the part of the emergent light which maintains its original direction or the part which is deviated is selected to form a moving image of the waves on a screen 25, and electric impulses at the line frequency so control either the duration of the illumination or the active length of the waves, or both, that the elemental areas of one line are periodically illuminated at the line frequency for a time which is equal to the duration of a line divided by the number of elements in the line. Received television signals control a Kerr cell 21, and synchronizing signals, which have been modified in a circuit 29, Figs. 4 and 5 (not shown), to have a duration equal to that of an elemental area, modulate a high-frequency 31 and are applied to a quartz crystal in the liquid in a cell 22, as described in Specification 439,236. Undeflected light from the source 20 is blocked by a stop 23, but light corresponding to diffraction images caused by the compressional wave form, on the screen 25, a moving spot of light which is modulated by the Kerr cell. The lower speed component of scanning is given by a mirror drum 26, or by an additional compressional wave cell, Fig. 19 (not shown). The two cells may be interchanged, when compressional waves corresponding to a whole line occur at one time in the liquid and are illuminated at intervals by the Kerr cell. The Kerr cell may be replaced by a second cell carrying compressional waves, Fig. 8 (not shown), and the two sets of waves preferably move in opposite directions, Fig. 10 (not shown). The two cells may be combined in a single container, Fig. 11 (not shown). The undeflected light may be used instead of the deflected light, and the excitation of the cells suitably reversed. The apparatus may be used in a direct transmitter, Fig. 18 (not shown), or in a transmitter of kinema films, Figs. 16 and 17 (not shown). Light valves, Fig. 13. To use the whole aperture of the lens 24, a plurality of crystals 80 face in different directions 86 ... 88. The signals are applied in parallel, and the cell is illuminated from a source 76 through a similar plurality of apertures 77, each of which gives a beam at right-angles to one of the sets of compressional waves 86 ... 88. A similar number of stops 82 is also provided. Specification 433,945 also is referred to.
Patent GB-151523-A (GB)
Title: Improvements in safety fuses for electric circuits
IPC: H01H85/26
Filed: 1920-02-04
Abstract: 151,523. Antinoro, E. Feb. 4, 1920. Fusible cut-outs; fuse boxes.-A magazine fuse comprises a rotatable plug 6 bored for the fuses and furnished with contact plates 8, 14, 15 on the peripheral surface of the plug which co-operate with fixed contacts 3, 19 in the base of a box. The base has a recess 11 to accommodate a reduced portion of the plug, and the box has a cover, retained by spring catches 13, in which is a hole to take the head of the plug. According to Fig. 2, the plug is bored diametrically at different levels for the fuses, fixed terminals 3 being provided at each side of the cylinder and a plug being installed for each pole of the circuit. As shown in Figs. 5 and 6, the plug is bored longitudinally, and a pair. of fixed terminals 3, 19 is provided at opposite sides so that one plug may serve both poles.
Patent GB-781842-A (GB)
Title: Rotary pump or hydraulic motor
Inventor: BAGHUIS LUDOVICUS HENDRIKUS
IPC: F04C2/344
Filed: 1956-02-03
Abstract: 781,842. Rotary motors and pumps. BAGHUIS N.V. Feb. 3, 1956, No. 3472/56. Class 110(2). In a rotary pump or motor of the outwardlysliding vane type, each vane is provided with at least one projection which serves as a guide and also as a stop adapted to co-operate with abutments formed in the rotor slot. Two vanes may be provided in each slot together with a common spring therefor, see Fig. 4 (not shown). In a second modification incorporating two vanes in each slot, see Fig. 6, each vane is provided with a spring and pin arrangement 107, 108 and communication channels 113, 114 as shown. In a final modification incorporating two vanes in each slot, the vanes are separated one from another by a wall, see Figs. 8, 9 and 10 (not shown). The casing, Fig. 1, is composed of members 1 ... 6 which are interconnected as shown and provided with supply and discharge conduits 7, 7a. The rotor is journalled in bearings 10, 11 and is composed of side rings 24, 25, segments 28, distance-pieces 29 as well as the spring and fluid-pressure loaded vanes 30, the side channels 32, 33 between the rotor and the casing being interconnected by channels 48.
Patent GB-818104-A (GB)
Title: Improvements in or relating to integrating circuits
Inventor: COOKE-YARBOROUGH EDMUND HARRY
IPC: G06G7/184
Filed: 1957-02-01
Abstract: 818,104. Pulse circuits; frequency detectors. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Jan. 28, 1958 [Feb. 1, 1957], No. 3524/57. Classes 40 (5) and 40 (6). A staircase waveform is generated by applying pulses to a reservoir condenser via a feed condenser so that the condensers are charged in series through the grid-cathode path of the first discharge tube of a D.C. amplifier. The feed condenser is discharged between pulses and the reservoir condenser forms a negative feedback path for the amplifier so that it receives substantially constant increments of charge during each pulse the output voltage across it providing the output from the D.C. amplifier. In the circuit shown electrometer tube V1 and tube V2 form a D.C. amplifier. When a positivegoing pulse is applied at input terminal T1 capacitors C1, C2 charge in series due to grid current flow in tube V1 and diode D1 is cut off. C2 has a very large value compared with capacitor C1 and at the end of a pulse the voltage at the junction of capacitor C1 and C2 falls until it equals the voltage at the junction of resistors R5 and R6 when diode D1 conducts to discharge capacitor C1. Capacitor C2 is thus charged stepwise by equal steps until contacts S1 are closed when capacitor C2 is discharged. The pulse source applied to terminal T1 should have an impedance low enough to enable it to supply a current which is large compared with the current flow in resistor R4 and with the reverse leakage current of the diode D1. The voltage across capacitor C2 is amplified by the D.C. amplifier V1, V2 and appears at the output terminal T2. The circuit may function as a pulse counting rate meter by shunting capacitor C2 with a suitable leak resistor. Specification 696,753, [Group XXXVI], is referred to.
Patent GB-1503631-A (GB)
Title: Toy figure
IPC: A63H3/16
Filed: 1976-01-29
Abstract: 1503631 Toy figure ERNST A BETTAG [trading as BIG SPIELWARENFABRIK DIPL ING ERNST A BETTAG] 29 Jan 1976 [18 Feb 1975] 03529/76 Heading A6S A toy figure is characterised in that a trunk portion is formed in two halves 23 interconnectable via overlapping web portions 17, 17' 18', 18' which in the assembled condition define a vertical through hole 19 wherein a locking bar 11 is received and locked by the snap action of oblique flaps 22 of one trunk half onto a shoulder portion 20 of the bar; and further in that the trunk halves define at the connecting plane arm recesses 12, 12' wherein extensions 13 of arms 4 are received and retain by end flanges 26 together with leg recesses 14, 14 wherein legs 5, 5' are receivable for independent pivotal movement via pins 15, 15': which pivotal movement is facilitated by the provision of a cut-out (not shown) in the lowermost portion of the front trunk half 2. Preferably oblique flaps 22 have upper portions 25 lying adjacent the arm holes which cooperate with a plurality of flats 27 defined as arm flange 26 to register a number of stable arm positions. Similarly, stable leg positions are defined by the co-operation of flats 31 on the legs with resilient trunk extensions 32. Foot portions 6 may be universally mounted by the provision of partspherical portions on the leg extremities to which the feet are connected by snap action, and head portion 7 which terminates licking bar 11 may have a non circular aperture 88 for locking into which a hair piece 8 which is itself similarly apertured for receiving e.g. a hat. The toy may be formed of plastics with each trunk half and its respective webs/ flaps/extensions formed as a one piece unit.
Patent GB-859166-A (GB)
Title: A releasable connector
IPC: A44B15/00
Filed: 1959-02-02
Abstract: 859,166. Releasable fastenings. JOHNSTON, J. R. Feb. 2,1959, No. 3575/59. Class 44. A connector for releasably securing together two or more elements 12, 13, for example, the ends of a necklace or the parts of a guy wire, cable or chain, comprises a pair of assemblies 14, 15 adapted to engage each other and to be locked in the engaged position by a spring operated sleeve 29, disengagement being assisted by a spring-urged bias member 36. The assembly 14 consists of two-part cylindrical receptacle sections 18, 19 joined at one end to provide a hoop 16 to which the element 12 is fastened. The opposite ends of the sections 18, 19 are formed into part spherical jaws 23, 24, which are closed by the sliding action of the sleeve 29 surrounding them, an end member 32 acting as a spring retainer and also aligning the sections 18, 19 within the sleeve. The assembly 15 comprises a member having a spherical end 26 adapted to mate with the jaws 23, 24 of assembly 14, the opposite end being formed into an eyelet 17 to take the other element 13 to be releasably connected. To facilitate easy disconnection when the sleeve 29 is slid back from the jaws 23, 24 against the pressure of a spring 31 the bias member 36 which has a tapered portion 39 is urged forward by its spring 37 to eject the ball member from the jaws 23, 24 as the sleeve surrounding the receptacle members is withdrawn. In a modification, Fig. 4, the assemblies 14a, 15a are of substantially rectangular section and the receptacle sections 18a, 19a are separate items secured at one end by a spring 45, the ends of the sections 18a, 19a being shaped to allow the jaws to open without binding. In a further modification, Fig. 6, (not shown) particularly adapted to be housed within and form a continuation of a decorative sleeve, the decorative sleeve perfoms the same function as the sleeve 29 of the connector shown in Fig. 1.
Patent GB-642977-A (GB)
Title: Retardation of development of reversion flavor in hydrogenated fats and oils
IPC: C11B3/10
Filed: 1948-02-07
Abstract: A refined and filtered fatty oil containing combined fatty acids having more than two double bonds in non-conjugated position is contacted with at least one solid material, the group consisting of activated alumina, active aluminium silicate, calcium hydroxide, calcium oxide and zinc oxide and hydrogenated before substantial contact with oxygen whereby the development of reversion flavour is retarded.  Activated alumina includes activated bauxite.  The amount of solid is at least 0.2 per cent and preferably between 2 and 5 per cent by weight of the oil, and is of 5 to 200 mesh particle size. The temperature should not rise above 60 DEG  C. when treatment with the solid is effected.  In an example crude soybean oil is refined with caustic soda, decanted, mixed with diatomaceous earth and filtered, bleached and then treated with 5 per cent 80-mesh activated alumina at 27 DEG  C. Agitation in a nitrogen atmosphere was carried out for 1 hour followed by filtering as before.  Hydrogenation at 180 DEG  to 200 DEG  C. with a nickel catalyst was promptly effected until the iodine value had dropped to 80, then cooled in hydrogen to 60 DEG  C., filtered, bleached and steam deodorized at 200 DEG  C. under reduced pressure.  In a modification, the refined and bleached soybean oil is dissolved in petroleumether and passed through a tube containing activated alumina.  Solvent evaporated and the oil was promptly hydrogenated and deodorized.  U.S.A. Specification 2,174,177 is referred to.
Patent GB-243575-A (GB)
Title: Improvements in or relating to calculating machines
IPC: G06C15/38
Filed: 1925-02-10
Abstract: 243,575. Guy's Calculating Machines, Ltd., and Neal, C. N. Feb. 10, 1925. Transfer-mechanism.-In a cam-disc and pinwheel machine the transfer lever which is carried by the pin-wheel is mounted in a radial groove and is formed with an enlarged head to locate it in the groove, a spring being provided to force the pin towards the bottom of the groove. 'As shown in Figs. 1 and 2, applied to the type of pin-wheels described in Specification 175,839, each pin-wheel a is provided with two radial grooves b, b', passing diametrically through two circular borings f, f<1>, in the hub portion e. The transfer lever g, which is of rectangular section, is formed with a head g<1> fitting the hole f and is acted upon by a spring h in the hole f<1> pressing on the lever g and on the face of the adjacent: pin-wheel.
Patent GB-988961-A (GB)
Title: Improvements in or relating to agricultural mowers and other crop cutting implements
IPC: A01D34/83
Filed: 1963-01-30
Abstract: 988,961. Mowing machines. G. A. FAIRBAIRN. Jan. 20, 1964 [Jan. 30, 1963], No. 3750/63. Heading A1F. Relates to a mower of the kind having a transverse bar 10 with sprockets 13, 32 mounted one at each end for rotation about parallel horizontal axes, an endless cutting- chain 29 being entrained around both sprockets to provide upper and lower flights 28a, 28b in juxtaposed cutting relationship, the sprocket 13 at the inner end of the bar being driven continuously unidirectionally. According to the invention, the upper chain-flight 28a moves inwardly and the outer sprocket 32 has its lower side aligned with the lower flight so that the latter moves in a rectilinear path, there being fixed crop-cutting members 50, 51 coacting with this flight adjacent to the sprocket 32 so that crop will be prevented from being carried around the sprocket and will also be cut in the region where the two flights separate. The general construction of the machine is similar to that disclosed in Specification 962,169, with a box-like outer shoe 9 which houses the sprocket 32, the difference being that the lower chain-flight 28b now runs towards the sprocket 32 so that the fixed cutting edges 50, 51 which co-operate with the chain now co-operate with the lower flight. In addition, a fixed member 67 is arranged in wiping contact with the upper chain-flight (Fig. 4) at the opposite end of the bar 10 to prevent cut crop being carried around the driving sprocket 13. As in Specification 962,169, the bar 10 includes a hollow channel-section housing 25, within which the chain 29 runs.
Patent GB-195354-A (GB)
Title: Improvements in or relating to hydro-electric installations
IPC: F03B3/10
Filed: 1923-02-08
Abstract: 195,354. Huguenin, A. March 21, 1922, [Convention date]. Systems depending on the use of two or more machines.-Relates to a hydro-electric generating station comprising several turbo-generator units of which, when it is not necessary to run all the units as generators, some of those not required for the external supply of electricity are used to generate current by which others are driven as motors, the latter then pumping water to a reservoir and thereby storing energy in the form of a head of water for subsequent use, and consists in providing that the hydraulic part of each turbo-generator unit when working as a pump is caused to run at a different speed from that at which it runs when working as a turbine. This may be obtained by the use of change-speed gears between the two elements, and when the electric element is an alternating current machine, its speed can be varied by altering the number of effective poles or by a cascade arrangement.
Patent GB-233780-A (GB)
Title: Improvements in or relating to the controlling elements of aircraft, submarine vessels, or the like
IPC: B64C13/02
Filed: 1924-02-14
Abstract: 233,780. Dawson, F. G. T. Feb. 14, 1924. Submarine vessels, special apparatus for steering.-To prevent excessive stresses from being set up in submarines owing to sudden movements of the control lever, an inertia governed element is introduced into the transmission so that when a sudden change of direction takes place the angular movement transmitted to the controlling element is reduced. The lower end of a control lever a, Fig. 1, is connected by a link c to a slotted lever d having a quadrant f to which are secured cords g, h for actuating an elevator q. The link has a roller r normally held at the upper end of the slot in the lever by a spring t. Should the aircraft &c. rise suddenly owing to a too rapid movement of the lever a, a weight u on the link c causes the roller r to move towards the lower end of the slot. The weight u may be adjustable along the link c, Fig. 3 shows an end view of a modified device in which the link c is connected to a sleeve v on a spindle having rollers r<1>, r<2> running in curved slots on two levers d<1>, d<2> mounted on two quadrants f<1>, f<2> on a spindle e. Four springs t<1>, t<2> connect together the ends of cross pieces w, y on the sleeve v and spindle e. Fig. 5 shows a modification in which the link c is connected to a spindle 15 joining the lower joints of a pair of four-link frames d<3>, d<4>, d<5>, d<6>. The links d<3>, d<4> are connected to lugs on opposite sides of the quadrant spindle e<1>. The ends of the spindle 15 are connected to the spindle e<1> by springs t<4>, and spindles 11 connecting the other joints of the links are connected together by a dash-pot device 12, 13, 14. Pairs of guides 16, extending radially from the quadrants, co-operate with discs 17 on the dash-pot cylinder to maintain the line joining the spindles 11 perpendicular to the guides 16, ball bearings 18 being interposed between the guides and discs. Specification 20927/12, [Class 4, Aeronautics], is referred to.
Patent GB-1213524-A (GB)
Title: Improvements in and relating to fibrous materials
IPC: D06N3/14
Filed: 1968-01-25
Abstract: 1,213,524. Fabric-resin laminate. NIHON LEATHER KOGYO K.K. and HITACHI CHEMICAL CO. Ltd. 25 Jan., 1968 [31 Jan., 1967; 27 May, 1967], No. 3886/68. Heading B5N. [Also in Division B2] An. imitation leather comprises a non- woven or woven fabric having a napped face to which is bonded a polyurethane layer; the polyurethane is coated with (i) an acrylic resin binder and (ii) a polyamino acid e.g. polyglutamic acid, polyaspartic acid. The fabric may be provided with a polyurethane coating from a carrier web, after which the polyurethane layer may be applied in partially cured form from a carrier web.
Patent GB-126928-A (GB)
Title: Method and Apparatus for Grinding Bottle Necks and Stoppers.
Inventor: MATHY MAURICE
IPC: B24B19/00
Filed: 1919-02-17
Abstract: 126,928. Mathy, M. Feb. 17, 1919. Tools.-A tool for grinding bottle necks and stoppers consists of a piece of sheet iron shaped into the form of a hollow truncated cone 1 with a slit 3 down one of its sides. The tool is held by its own elasticity upon a wooden former 4, Fig. 2, screwed into a rotating spindle 5. The elasticity of the tool is maintained in operation owing to the fact that the former does not extend the whole length of the cone. For grinding bottle necks, the tool is carried by a vertical rotating shaft moved axially by rack-and-pinion gear into engagement with the bottle, which is clamped to a fixed table. For grinding stoppers, Fig. 4, the tool is elastically held in a cylindrical hole formed in a carrier 23 mounted on an horizontal rotating shaft 24, and the stopper is inserted by hand. Water and abrading-powder are supplied to the tool as required, the excess flowing away through the slit 3.
Patent GB-1012180-A (GB)
Title: Improvements in and relating to catalysts
IPC: C08F4/64
Filed: 1963-01-30
Abstract: Cyclododecatrienes, including the novel stereoisomer cis, cis, trans-1,5,9-cyclododecatriene, are obtained by trimerizing a conjugated diolefin in an organic solvent in the presence of a catalyst obtained from a chromium compound, particularly chromium acetylacetonate, and a compound of the formula RxAlXy in which R is a monovalent organic radical, X is a halogen, x=2.1-2.9 and y=0.9-0.1 such that x+y=3 which may be made by combining the requisite proportions of an organo aluminium compound and an organo aluminium halide or aluminium halide.  The Al : Cr mol. ratio may be 4-30 : 1 and the ratio of gram mols. of diene to gram atoms of chromium may be 400-2,500 : 1.  The preferred solvent is benzene, the diene concentration being 5-50% by weight.  Reaction is effected at 0-100 DEG  C. and up to 100 p.s.i.g. for up to 24 hours.  The trimerizations of butadiene and isoprene are exemplified.  Reference has been directed by the Comptroller to Specifications 848,951 and 849,236.
Patent GB-673213-A (GB)
Title: Improvements in or relating to a colostomy belt
IPC: A61F5/449
Filed: 1950-02-16
Abstract: 673,213. Colostomy belts. BERGER BROSCO. Feb. 16, 1950 [Feb. 24, 1949], No. 3986/50. Class 81 (ii). A colostomy belt is made with a front panel 15, adjustably secured, by straps 14, to a body-encircling portion 10, the front panel having a flap 19 extending for the greater part of its depth and formed to hinge about its lower edge. The flap is secured in the raised position by fastening means 21 attached to its vertical edges. Stiffening means may be enclosed in pockets formed on the back portion of the belt and also adjacent to the edges of the hinged flap. Various arrangements of stiffening members are described.