baber/WOPTO huggingface dataset:
Patent GB-1455826-A (GB)
Title: Valve devices for use in liquid pressure braking systems
IPC: B60T8/26
Filed: 1973-07-09
Abstract: 1455826 Valves; fluid-pressure brakes AUTOMOTIVE PRODUCTS Ltd 12 Dec 1973 [13 Dec 1972 9 July 1973] 57508/72 and 32678/73 Headings F2V and F2F A valve device comprises an inlet C and straight-through outlet D connected in the hydraulic circuit of the front brakes (12) of a vehicle (Fig. 1, not shown) such that fluid pressure acts on a piston component 45; an inlet A and an outlet B controlled by a valve member 39 and seat 38 connected in the hydraulic circuit of the rear brakes (13), the seat forming part of a stepped piston 28 which is connected to the piston component by a bolt 51; and biasing means 52 which tends to open the valve member by facing a stem 43 against a stop 42, and opposed by the pressure in the cavity 57 of the front brake circuit. The biasing means overcomes the resultant fluid pressure exerted by the rear brake circuit on the stepped piston 28 and front brake circuit up to a predetermined value so that the front and rear pressures generated by the tandem master cylinder (18, 17) are equal. Thereafter the valve member seats and opens proportionately with increasing master cylinder pressure. If the sub-system operating the front brakes fails, the effective thrust of spring 52 is increased and the predetermined value at which the valve device acts proportionately is automatically increased. The piston component may be made slidable on a stem of the stopped piston (Fig. 3, not shown) or may be made separable and abutting it (Fig. 4, not shown). The biasing means may be a spring varying with the vehicle load (Figs. 5, 6, not shown) or fluid loading varying with vehicle load (Figs. 7, 8, not shown).
Patent GB-1041133-A (GB)
Title: Improvements in and relating to the packing of seeds
IPC: A01C1/04
Filed: 1964-08-11
Abstract: 1,041,133. Seed packages. W. J. HARRIS. July 16, 1965 [Aug. 11, 1964], No. 32693/64. Heading B8C. Seeds are placed between strips of materials, at least one of which is water absorbent, and which will remain intact during the period of germination and initial growth of the seedlings, which are then removed from the pack and planted. In some embodiments the seeds are placed between two strips of paper, textile material &c., the composite strip is then rolled or folded up and enclosed in a waterproof casing until required for use. The two strips may be connected above and below the seeds. To provide sufficient space between and supply sufficient water to the seeds, the seeded strips may be combined with strips of thicker material placed on one or both of its sides. This thicker material may be corrugated paper, the limited contact between the seeded strip and corrugated paper providing some control of the amount of water supplied to the seeded strips. Alternatively the thicker strip may be made of cotton-wool, plastics foam, felt &c., separated from the seeded strip by a strip of waterproof material with apertures or of a narrower width than the thicker material to provide a control over the water supply. Spacing blocks of expanded polystyrene or other non-water absorbing material may be folded up with the seeded strips. The seeds may be attached by adhesive and/or an adhesive tape near the upper edge of one of the strips of paper, or they may be located in depressions or holes formed in the paper, adhesive tape backing securing them in the holes. Alternatively rings of adhesive between the strips may form cells for the seeds. A suitable powdered or granulated fertilizer material may also be added to the seed pack, where it may be held in position on the surface of the thicker, water-holding strip by pressure between it and the other strips, or it may be blown or shaken into this thicker strip. Alternatively any of the strips may be impregnated with a suitable fertilizer. A reservoir of water may be provided by placing a pad of water-absorbent material at the bottom and/or at the sides of the pack, in contact with the moisture-conducting strips. Alternatively the bottom portion of the pack may be wrapped, and, when germination is required may be immersed in water, holes in the waterproof wrapper providing means for ingress of the water. The sides of the pack may also be enclosed in a waterproof wrapper.
Patent GB-758705-A (GB)
Title: An adjustable fastener
IPC: A43C11/14
Filed: 1954-11-12
Abstract: 758,705. Clamp fasteners. SCHWARZ, J. Nov. 12, 1954 [Dec. 23, 1953; Oct. 13, 1954], No. 32774/54. Class 44. An adjustable fastener comprises upper and lower connecting parts, the upper connecting part b including a strip 1 adapted to engage against the lower connecting part a, the lower connecting part including a bell-crank lever 14 and a plate 9 contacted by the strip, the bellcrank lever being adapted to engage the strip and to press it into contact with and retain it against separation from the lower connecting part by mutual co-operation of interengaging formations provided on the strip and the lower connecting part or the bell-crank lever thereof. In one construction, Fig. 3, the plate 9 forms the base of a channel in the sides of whicb the bell-crank lever is pivoted in apertures 12. The plate 9 is provided with ratchet teeth 18 and these teeth are engaged by complementary teeth 2 on the strip 1. The engaging end of the bell-crank lever may be straight as shown or curved to reduce wear. Each of the parts a, b is connected to the article to be fastened by tongues 5 or 20 which pass through apertures in the article and are bent over. The part b may be made up of two or more elements hinged together. As shown in Fig. 6, the hinge may consist of a sleeve engaging apertures in two elements 22, 23 and arranged so that when the elements reach an aligned position they cannot hinge further owing to their edges abutting. In a modification, Figs. 8 and 9, the part b is provided with a plurality of slots 30 and the plate 9 is plain, the bell-crank lever being provided with a tongue 31 which can engage in one of the slots. In a modification of this construction open ended slots are provided in each edge of the strip 1 and the bell-crank lever is provided with two tongues one for each set of slots. In this construction the web between the tongues is arranged to press on the strip 1 to force it into contact with the plate 9. In another construction two rows of indentations are provided in the strip 1 and the plate 9 is provided with corresponding recesses. In any of the constructions instead of using tongues to secure each part to the article each part may have one end bent over and be provided with a slot by which it can be secured to a strap.
Patent GB-1518329-A (GB)
Title: 7-methoxycephalosporin derivatives
IPC: C07D501/20
Filed: 1975-08-06
Abstract: The compounds correspond to the formula <IMAGE> in which R<2> is hydrogen or halogen and R<3> is methyl, acetoxymethyl, carbamoylmethyl, alkoxymethyl, alkylthiomethyl, 2-carboxy-1-ethenyl or -CH2S-heterocycle. They are prepared by reacting 7  beta -amino-7 alpha -(methoxy-3-R<3>)-3-cephem-4-carboxylic acid or an alkali metal or amine salt or an ester thereof with a 2-[2-amino-5(R<2>)-4-thiazolyl]-acetic acid, the amino group of which is protected, or with a reactive functional derivative thereof; after this, the amino group and the carboxyl group, if esterified, are unblocked. Resulting 3-acetoxymethyl and 3-carbamoyloxymethyl compounds can be reacted with an alkyl mercaptan or an HS-heterocycle to give correspondingly substituted thiomethyl compounds. The compounds and their salts have a broad antimicrobial spectrum and are also particularly effective against antibiotic-resistant strains of Gram-negative bacteria; they can be used to treat infectious diseases.
Patent GB-293328-A (GB)
Title: Improvements in and relating to dyestuffs and intermediates
IPC: C07C46/00
Filed: 1926-12-29
Abstract: 293,328. Hereward, H. W., Thomas, J., and Scottish Dyes, Ltd. Dec. 29, 1926. Oxyanthraquinones are obtained by the action of aqueous solutions of caustic alkalies on #- alkyl- or #-carboxy-anthraquinone in the presence or absence of an oxidizing agent. The alkyl or carboxyl group is replaced by a hydroxyl group, and in the presence of an oxidizing agent an additional hyroxyl grcup may be introduced into the anthraquinone nucleus. In examples, (1) #-carboxyanthraquinone is heated in an autoclave with caustic soda solution and sodium chlorate; sodium alizarate is produced and is worked up to alizarine, in the usual way, and (2) #-methylanthraquinone is similarly treated to obtain alizarine. The process of Specification 246,529 may be used in conjunction with the process of the invention, if desired.
Patent GB-961179-A (GB)
Title: Improvements in and relating to an apparatus for the automatic control of a valve used in the filling of containers on a balance
IPC: G01G13/00
Filed: 1960-09-26
Abstract: 961,179. Fluid-pressure servomotor control systems. SOC. D'APPLICATIONS DES MACHINES MOTRICES. Sept. 26, 1960 [Oct. 15, 1959], No. 32948/60. Heading G3P. A valve controlling the filling of a container on a balance is closed on the weight of the container and contents reaching a predetermined value by a closed-loop hydraulic servomotor having a piston 9 controlled by a valve 11 actuated through lever 31 and counterbalanced follow-up lever 27 pivoted on the piston at 28 when lever 27 is lifted at 26 by contact with adjustable abutment 24 con nected by a lever system to the balance arm. Lost motion between 24 and 26 ensures that the servomotor is only operated when the container is nearly filled to the required weight after which the servomotor produces an amplified output movement from an input movement proportional to the difference between the instantaneous and the required weight on the balance
Patent GB-321822-A (GB)
Title: Improvements in devices for manipulating valve springs
IPC: B25B27/26
Filed: 1928-11-12
Abstract: 321,822. Coward, E. S., and White, W. R. Nov. 12, 1928. Holding-tools.-In order to remove a valve of an internal combustion engine the holding- down spring 9 is first compressed by turning the engine and a device, comprising two forks 7, 6 fixed and adjustable respectively on a screwed rod 11, is inserted between the spring and the tappet-rod guide 8. On again turning the engine the valve 1 is lowered and the cotter 5 removed. The fork 6 is recessed to receive the collar 4 and can be fixed in adjusted position by a set-screw 16. The Provisional Specification describes also modifications in which both forks are fixed or both adjustable or in which the rod 11 is not screwed and states that the forks are of different size so that the device can be reversed to suit different-sized valve-collars.
Patent GB-604878-A (GB)
Title: Improvements in and relating to conductive vitreous articles and their manufacture
IPC: H01J9/20
Filed: 1945-12-07
Abstract: 604,878. Glass. BRITISH THOMSONHOUSTON CO., Ltd. Dec. 7, 1945, No. 33152. Convention date, Dec. 11, 1944. [Class 56] [Also in Groups XXXVI and XL (a)] Vitreous articles, particularly the envelopes of tubular fluorescent discharge lamps, are sprayed with a solution of a tin compound in a solvent having reducing properties, at a temperature at which the tin combines with the glass. This increases the electrical conductivity of the glass without rendering it iridescent or impairing its transparency. In particular an alcoholic solution of stannous or stannic chloride may be used; lead or lime glass may be heated to 350-600‹ C., whilst borosilicate glasses may be heated to 700‹ C. The spray which is heated before application may be applied so as to produce a conducting strip which may be straight or may extend spirally round the tube and may be applied as the tube emerges from the tube drawing plant. The whole surface of the tube may be sprayed and unwanted or excess coating may be removed by exposing the area in question to a reducing atmosphere. The conductive surface may be covered with a transparent varnish. Reference has been directed by the Comptroller to Specification 632,256.
Patent GB-941869-A (GB)
Title: Improvements in or relating to compressed air units
IPC: F15B15/14
Filed: 1962-08-29
Abstract: 941,869. Valves. E. SCHWARZ. Aug. 29, 1962 [Sept. 5, 1961], No. 33157/62. Heading F2V. [Also in Division F1] A compressed air unit, such as a valve, comprises an air vent duct 13 having an internal screw-thread for receiving a screwthreaded venting plug 10 which is formed or provided with an axially-extending bore 16 communicating with a discharge orifice in the plug and has a plurality of radially-directed discharge apertures 18 arranged in spaced relationship around the periphery of the plug head adjacent the discharge orifice. The radiallydirected apertures may be arranged in at least two planes at right angles to the axis of the plug or may be constituted by radial slots. The apertures 18 ensure the venting of air from the unit in the event of the discharge orifice 20 becoming blocked.
Patent GB-1403566-A (GB)
Title: Detection of flaws in strip material
IPC: G01N19/08
Filed: 1972-07-17
Abstract: 1403566 Detecting flaws in film strip RESEARCH TECHNOLOGY Inc 17 July 1972 [16 July 1971] 33286/72 Heading G1N Apparatus for detecting flaws in a moving film strip comprises first feeler means for noting the magnitude of variations in thickness due e.g. to a splice, and second feeler means for sensing faults in the size of the sprocket holes or cracks at the edge of the strip. As shown (Fig. 3) the strip is fed between a fixed roller 10 and a movable roller 11 mounted on the free end of a cantilever spring 13, coupled by a block 16 to a Piezoelectric element 17 also mounted as a cantilever spring. The output signal from element 17, representing the thickness of the film, is fed through an RC circuit, which may be part of the charactaistics of the element 17 itself, to pass on signals due to sudden changes in thickness such as produced by a splice, which signals may be counted. The signals are also fed to a further RC circuit which rejects those due to normal splices and only passes on those of abnormal length to energize a stopping mechanism. The moving film is also fed over two inclined rods 50, 51 (Fig. 4) so that the edges 54, 55 of the film 53 touch the rods, with feelers 56, 57 resting on the film at the location of the sprocket holes. Each feeler 56, 57 is associated with a cantilever arrangement including a Piezo-electric element 62. The feelers are larger than the sprocket holes so that there is no change in the output from elements 62 except when an oversize hole allows a feeler to fall, or if the film 53 is faulty and does not support the feelers 56, 57. The output from elements 62 is sensed as above.
Patent GB-204599-A (GB)
Title: Improvements in d-shackles
IPC: F16G15/06
Filed: 1922-12-07
Abstract: 204,599. Thorne, W. T. Dec. 7, 1922. Couplings, non-automatic.- In D-shackles, the pin 9 has a rectangular part 10 to engage in a rectangular eye in the upper limb, and a key 11 adapted to pass through a groove 12 in the lower circular eye and to be housed in a groove 13 in the upper eye when the pin is raised, to prevent the pin from obstructing the space between the limbs. Specification 20646/03 is referred to.
Patent GB-962711-A (GB)
Title: Improvements in or relating to apparatus and method for coating discrete solids
IPC: A61K9/50
Filed: 1962-08-30
Abstract: 962,711. Coating particulate material. SMITH KLINE & FRENCH LABORATORIES. Aug. 30, 1962 [Sept. 18, 1961], No. 33415/62. Heading B2B. Fine solid particles are coated by forming a dense phase fluidized bed of the particles, continuously withdrawing particles from the lower portion of the fluidized bed, passing the withdrawn particles through a nozzle with a gas to deagglomerate them and eject them upwards into a coating zone, spraying the particles in said zone with a liquid coating material and directing the coated particles falling under gravity into the upper portion of the fluidized bed. As shown, apparatus for carrying out the process comprises an upstanding coating chamber 6 having an open lower end, means 104 for exhausting gas from the upper portion of the coating chamber, a casing 4 for containing solids having its upper end in communication with the lower end of the coating chamber, the lower portion of the casing having a decreasing cross-sectional area as it extends downwards, a powder nozzle 14, extending upwards within the casing from a point adjacent the inner periphery of the lower portion of the casing, gas supply means 50 for introducing a jet of gas into the casing, to supply a flow of gas between the casing and the powder nozzle so as to form when the apparatus is in use a fluidized bed of solid particles 24 within the casing and to entrain solid particles from the fluidized bed into the powder nozzle for spraying upwards into the coating chamber 61, and a spray nozzle 78 in the coating chamber adapted to spray a liquid coating material on to the solid particles. Particles of drugs, foodstuffs or chemicals may be sprayed with liquefied waxes.
Patent GB-1007287-A (GB)
Title: Process and apparatus for excluding undesirable hydrocarbon impurities from the rectification zone of a low-temperature air separation plant
IPC: F25J3/08
Filed: 1963-08-23
Abstract: 1,007,287. Separating hydrocarbons from air. GESELLSCHAFT FUR LINDES EISMASCHINEN A.G. Aug. 23, 1963 [Aug. 27, 1962], No. 33434/63. Heading B1L. [Also in Division F4] Air prior to rectification in a column (not shown) is freed of undesirably high concentrations of hydrocarbons, e.g. ethane, ethylene, propane and acetylene, by adsorption in a gas phase adsorber which may be charged with silica gel, e.g. at 102 ‹K. The hydrocarbon content of the effluent is periodically determined and the adsorber taken out of service when a predetermined value is reached. As shown in Fig. 1, a portion of the purified air is continuously bled off from the effluent from adsorber 1 at 5 and intermittently fed to a detector 9 connected to a recorder 10. Hydrogen from a duct 7 is added to the air to be analysed and the mixture is passed through a separator 8 and thence to the detector 9 which is of the flame ionizer type. An acetylene sampling tube 11 is connected to the adsorber upstream the outlet end.
Patent GB-798772-A (GB)
Title: Improvements in and relating to unit casting
IPC: B22D27/15
Filed: 1954-11-19
Abstract: 798,772. Casting-machines. BRENNAN, J. B. Nov. 19, 1954 [Nov. 19, 1953], No. 33568/54. Class 83 (1). In a casting-process, melting, pouring and removal of the article from the mould is carried out in a zone at sub-atmospheric pressure. Metal slugs are fed to a crucible 14 from a rotary conveyer 1, by a pusher 7 if necessary, a partial vacuum or non-oxidizing or reducing atmosphere being maintained in the appropriate conveyer pocket 2 by a connection 9 and part 8. The crucible, of graphite, silicon-carbide or zirconium-oxide and heated by a high-frequency coil 15, is supported in a vacuum chamber 16 above a split mould 26, 27, whose sections are opened and closed by hydraulic pistons 30, 31. The mould sections may be of Al 2 O 3 , SiO 2 , ZrO 2  or graphite or other non-reactive ceramic material, and may be temperature-controlled by e.g. molten gallium, lead or aluminium, supplemented if desired by high-frequency or resistance heaters. Alternatively the mould may be of metal, e.g. aluminium, copper, steel and liquid-cooled. Beneath the chamber 16 is a rotary conveyer 21 for receiving and unloading castings discharged from the mould. The pockets 23 of the conveyer, when receiving castings, are sealed so as to be under the influence of the vacuum or atmosphere in the chamber 16, and are filled with powdered or fluid material such as aluminium, lead or silica. In a modification, Fig. 2, the casting falls from the mould through an electrically-heated tubular member 40, immersed in a pool of fluid 41 such as molten gallium, lead or aluminium into a rotary basket 45. The casting, when released from the mould, is still at radiant red heat and may be forged or coined while hot, or after cooling and reheating, to final shape. The grain structure of the casting may be oriented by controlling the speed and direction of the mould cooling. In a specific example, steel alloy containing 35 Cr, 15 Ni and 50 Fe, all by percentage, was cast at 2630- 2710‹ F. into a mould of 96 per cent silica-slip preheated to 1850‹ F. by circulation of molten fluid. In another modification the metal is cast into moulds carried by the rotary conveyer 21.
Patent GB-822176-A (GB)
Title: Improvements in or relating to a telegraphic printer and perforator
IPC: H04L17/16
Filed: 1955-11-25
Abstract: 822,176. Ink-ribbon mechanisms. SMITHCORONA MARCHANT Inc. Nov. 25, 1955 [Nov. 30, 1954], No. 33806/55. Class 100(4) [Also in Group XL(b)] Printing-telegraph apparatus incorporates specially constructed apparatus for effecting perforation of a tape under control of selector members positioned in response to received to code combinations of electrical signals. At the same time the characters corresponding to the received signals are printed. Ribbon feed and reversing mechanism. The arrangement is controlled from the function control shaft by a single humped cam which through fork 639 and lever arm 638 moves vertically a U-shaped member 643 having at the top a pin connection 651 with a lever 650 pivoted on a shaft 647 carried by a bracket 646. Operating pawls 652 for the ratchets 654 having key-way connections 662 for the slotted limbs of the ribbon spools are mounted on pivot pins 656 on the member 643 and are held in the operated or disengaged position by arms 667 of two toggle members 666 mounted on a shaft 665 on the member 643 and having birfurcated ends 672 engaged by a rocker 674 so that when one lever 652 is in engagement with its ratchet 654 the other pawl 652 is biased away from its associated ratchet wheel 654. A detent pawl 653 having a retaining edge 679 is disengaged simultaneously with the driving pawl 652 by the engagement of a bar 663 with the arm 680 of the pawl 653. When a ribbon spool is empty the curved portion 682 secured to a ribbon-sensing lever 655 moves into a slot on the hub of the spool so that the lever 655 moves to the left in Fig. 46 and on the next downward movement of the member 643, the nose 685 of the toggle 666 associated with the disengaged pawl 652 engages the lateral projection 684 of the sensing lever which has moved inwardly, and that toggle is rocked so that its pawl 652 is moved into engagement with its ratchet wheel. Simultaneously the rocker 674 operates the other toggle 666 so that the driving pawl 652 and detent pawl 653 are disengaged from the ratchet 654 which was previously being driven. A, rod 697 mounted in two similar brackets 696 being shown, carries a ribbon retainer 698 for each spool and a bent rod 702 engages the outer surfaces of the spools, as indicated by Fig. 43 (not shown), to hold them on their hubs. The ribbon passes over rollers 690 which are inked by wicks 692 disposed in a container 691.